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WO2025167611A1 - Procédé et appareil pour déterminer des informations d'état de réglage de commande de puissance de srs - Google Patents

Procédé et appareil pour déterminer des informations d'état de réglage de commande de puissance de srs

Info

Publication number
WO2025167611A1
WO2025167611A1 PCT/CN2025/073782 CN2025073782W WO2025167611A1 WO 2025167611 A1 WO2025167611 A1 WO 2025167611A1 CN 2025073782 W CN2025073782 W CN 2025073782W WO 2025167611 A1 WO2025167611 A1 WO 2025167611A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
power control
adjustment state
control adjustment
tpc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/073782
Other languages
English (en)
Chinese (zh)
Inventor
黄秋萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Mobile Communications Equipment Co Ltd
Original Assignee
Datang Mobile Communications Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Publication of WO2025167611A1 publication Critical patent/WO2025167611A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method and device for determining SRS power control adjustment state information.
  • the terminal device During communication between a terminal device and a network device, the terminal device needs to send a Sounding Reference Signal (SRS) to the network device.
  • SRS Sounding Reference Signal
  • the terminal device When transmitting the SRS, the terminal device needs to determine the SRS power control adjustment state information to determine the transmit power of the SRS based on the SRS power control adjustment state information.
  • M-TRP multi-network device
  • the terminal device needs to transmit sounding reference signals to different TRPs (or antenna panels).
  • a solution is urgently needed to independently determine the SRS power control adjustment state information required when sending sounding reference signals to different TRPs (or antenna panels).
  • the present disclosure provides a method and device for determining SRS power control adjustment state information, which solves the technical problem of how to independently determine the SRS power control adjustment state information required when sending a detection reference signal to a TRP.
  • the present disclosure provides a method for determining SRS power control adjustment state information, the method comprising:
  • the SRS power control adjustment state information is determined based on one or more pieces of TPC information in the TPC information carried by the first information in the downlink control information.
  • the SRS power control adjustment status information required for sending a detection reference signal to a TRP can be independently determined for different TRPs; and, for different TRPs, the transmission power of the SRS is determined using their respective corresponding SRS power control adjustment status information, which is beneficial to improving the performance of uplink transmission.
  • the TPC information has a corresponding relationship with the power control adjustment state index
  • the TPC information corresponds to the SRS resource set
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index, and the multiple TPC information correspond to the first power control adjustment state index; determining the SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information includes:
  • the SRS power control adjustment state information only needs to be determined based on specific TPC information among the multiple TPC information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • TPC information In this embodiment, the relationship between TPC information and TCI status information may be indicated.
  • Determining SRS power control adjustment state information based on one or more TPC information in TPC information carried by first information in the downlink control information includes:
  • SRS power control adjustment state information is determined based on one TPC information in the plurality of TPC information corresponding to the first TCI state information in the first information.
  • the SRS power control adjustment state information only needs to be determined based on specific TPC information among the multiple TPC information.
  • the method further includes:
  • TPC information for determining SRS power control adjustment state information based on one or more of the first corresponding relationship, the second corresponding relationship, the third corresponding relationship, the fourth corresponding relationship, the fifth corresponding relationship, and the sixth corresponding relationship;
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the first correspondence is determined based on first indication information sent by the network device, the first indication information including information indicating information used to determine a correspondence between the TPC information and the power control adjustment state index;
  • the second correspondence is determined based on second indication information sent by the network device, the second indication information including information indicating information used to determine a correspondence between the TPC information and the TCI state information;
  • the third corresponding relationship is determined based on the third indication information sent by the network device, and the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set;
  • the fourth correspondence is determined based on fourth indication information sent by the network device, where the fourth indication information includes information indicating information used to determine a correspondence between the TCI state information and the power control adjustment state index;
  • the fifth correspondence is determined based on fifth indication information sent by the network device, where the fifth indication information includes information indicating information used to determine a correspondence between the TCI state information and the SRS resource set;
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the above correspondence is indicated by a network device.
  • determining TPC information used to determine SRS power control adjustment state information based on the first correspondence includes: determining, based on the first correspondence, from TPC information carried by downlink control information, TPC information corresponding to a power control adjustment state index corresponding to the SRS power control adjustment state information, wherein the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information is TCP information used to determine the SRS power control adjustment state information;
  • Determining, based on the second correspondence, TPC information for determining SRS power control adjustment state information includes: determining, based on the second correspondence, and according to TCI state information corresponding to a power control adjustment state index corresponding to the SRS power control adjustment state information, TPC information corresponding to the TCI state information from TPC information carried by downlink control information, wherein the TPC information corresponding to the TCI state information is TCP information used to determine the SRS power control adjustment state information;
  • the TPC information used to determine the SRS power control adjustment state information is determined, including: based on the third correspondence, according to the SRS resource set corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determining the TPC information corresponding to the SRS resource set from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the SRS resource set is the TCP information used to determine the SRS power control adjustment state information.
  • the TCI status information is TCI status information corresponding to a control resource set pool index parameter associated with a control resource set where the downlink control information is located; or, the TCI status information is TCI status information associated with uplink transmission scheduled by the downlink control information; or, the TCI status information is TCI status information indicated by the downlink control information; or, the TCI status information is TCI status information indicated by the network device for uplink transmission;
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the downlink control information sent by the network device includes TPC information for determining the SRS power control adjustment state information and the channel power control adjustment state information.
  • the TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the TPC information also corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information".
  • the value of the "power control adjustment state index corresponding to the SRS power control adjustment state information” and the value of the "power control adjustment state index corresponding to the channel power control adjustment state information” may be the same or different.
  • the terminal device can determine the SRS power control adjustment state information based on the TPC information, and determine the channel power control adjustment state information based on the TPC information.
  • the downlink control information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • TPC information for determining channel power control adjustment state information may also be delivered via the downlink control information.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the "information indicating the power control adjustment state index corresponding to the TPC information" can directly indicate the power control adjustment state index corresponding to the TPC information, or the "information indicating the power control adjustment state index corresponding to the TPC information" corresponds to the TCI state information (wherein the TCI state information corresponds to the power control adjustment state index); multiple implementation methods of the "information indicating the power control adjustment state index corresponding to the TPC information" are provided.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the TPC information corresponds one-to-one to the "information indicating the power control adjustment state index corresponding to the TPC information", and the network device indicates the power control adjustment state index corresponding to each piece of TPC information.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous;
  • At least some adjacent TPC information included in the downlink control information corresponds to different carriers
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal;
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the present disclosure provides a method for determining SRS power control adjustment state information, the method comprising:
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell for determining sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information;
  • the one or more TPC information in the TPC information carried by the first information in the downlink control information is used to determine the SRS power control adjustment state information.
  • the TPC information has a corresponding relationship with the power control adjustment state index
  • the TPC information has a corresponding relationship with the transmission configuration indication TCI state information
  • the TPC information corresponds to the SRS resource set
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index, and the plurality of TPC information correspond to the first power control adjustment state index;
  • the specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information is used to determine the SRS power control adjustment state information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information
  • the SRS power control adjustment state information is determined based on one TPC information among multiple TPC information corresponding to the first TCI state information in the first information.
  • one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence are used to determine TPC information used to determine SRS power control adjustment state information;
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the method further includes:
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index;
  • the second correspondence is determined based on second indication information sent by the network device, the second indication information including information indicating information used to determine a correspondence between the TPC information and the TCI state information;
  • the third correspondence is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine a correspondence between the TPC information and the SRS resource set;
  • the fourth correspondence is determined based on fourth indication information sent by the network device, where the fourth indication information includes information indicating information used to determine a correspondence between the TCI state information and the power control adjustment state index;
  • the fifth correspondence is determined based on fifth indication information sent by the network device, where the fifth indication information includes information indicating information used to determine a correspondence between the TCI state information and the SRS resource set;
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the TCI status information is TCI status information corresponding to a control resource set pool index parameter associated with a control resource set where the downlink control information is located; or, the TCI status information is TCI status information associated with uplink transmission scheduled by the downlink control information; or, the TCI status information is TCI status information indicated by the downlink control information; or, the TCI status information is TCI status information indicated by the network device for uplink transmission;
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the first information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous;
  • At least some adjacent TPC information included in the downlink control information corresponds to different carriers
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal;
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other;
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the present disclosure provides a device for determining SRS power control adjustment state information, the device comprising: a memory, a transceiver, and a processor:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of a processor; and a processor for reading the computer program in the memory and performing the following operations:
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell for determining sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information;
  • the SRS power control adjustment state information is determined based on one or more pieces of TPC information in the TPC information carried by the first information in the downlink control information.
  • the TPC information has a corresponding relationship with the power control adjustment state index
  • the TPC information has a corresponding relationship with the transmission configuration indication TCI state information
  • the TPC information corresponds to the SRS resource set
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index, and the multiple TPC information correspond to the first power control adjustment state index; determining the SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information includes:
  • the SRS power control adjustment state information is determined based on specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information.
  • the SRS power control adjustment state information only needs to be determined based on specific TPC information among the multiple TPC information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information
  • Determining SRS power control adjustment state information based on one or more TPC information in TPC information carried by first information in the downlink control information includes:
  • SRS power control adjustment state information is determined based on one TPC information in the plurality of TPC information corresponding to the first TCI state information in the first information.
  • the processor is further configured to:
  • TPC information for determining SRS power control adjustment state information based on one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence;
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the first correspondence is determined based on first indication information sent by the network device, the first indication information including information indicating information used to determine a correspondence between the TPC information and the power control adjustment state index;
  • the second correspondence is determined based on second indication information sent by the network device, the second indication information including information indicating information used to determine a correspondence between the TPC information and the TCI state information;
  • the third corresponding relationship is determined based on the third indication information sent by the network device, and the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set;
  • the fourth correspondence is determined based on fourth indication information sent by the network device, where the fourth indication information includes information indicating information used to determine a correspondence between the TCI state information and the power control adjustment state index;
  • the fifth correspondence is determined based on fifth indication information sent by the network device, where the fifth indication information includes information indicating information used to determine a correspondence between the TCI state information and the SRS resource set;
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the processor when determining TPC information used to determine SRS power control adjustment state information based on the first correspondence, is configured to: determine, based on the first correspondence, from TPC information carried by downlink control information, TPC information corresponding to a power control adjustment state index corresponding to the SRS power control adjustment state information, wherein the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information is TCP information used to determine the SRS power control adjustment state information;
  • the processor When determining the TPC information used to determine the SRS power control adjustment state information based on the second correspondence, the processor is configured to: determine, based on the second correspondence, and according to the TCI state information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, TPC information corresponding to the TCI state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the TCI state information is TCP information used to determine the SRS power control adjustment state information;
  • the processor determines the TPC information used to determine the SRS power control adjustment state information based on the third correspondence, it is used to: based on the third correspondence, according to the SRS resource set corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determine the TPC information corresponding to the SRS resource set from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the SRS resource set is the TCP information used to determine the SRS power control adjustment state information.
  • the TCI status information is TCI status information corresponding to a control resource set pool index parameter associated with a control resource set where the downlink control information is located; or, the TCI status information is TCI status information associated with uplink transmission scheduled by the downlink control information; or, the TCI status information is TCI status information indicated by the downlink control information; or, the TCI status information is TCI status information indicated by the network device for uplink transmission;
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the downlink control information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous;
  • At least some adjacent TPC information included in the downlink control information corresponds to different carriers
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal;
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other;
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the present disclosure provides a device for determining SRS power control adjustment state information, the device comprising: a memory, a transceiver, and a processor:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of a processor; and a processor for reading the computer program in the memory and performing the following operations:
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell for determining sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information;
  • the one or more TPC information in the TPC information carried by the first information in the downlink control information is used to determine the SRS power control adjustment state information.
  • the TPC information has a corresponding relationship with the power control adjustment state index
  • the TPC information has a corresponding relationship with the transmission configuration indication TCI state information
  • the TPC information corresponds to the SRS resource set
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index, and the plurality of TPC information corresponds to the first power control adjustment state index;
  • the specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information is used to determine the SRS power control adjustment state information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information
  • the SRS power control adjustment state information is determined based on one TPC information among multiple TPC information corresponding to the first TCI state information in the first information.
  • one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence are used to determine TPC information used to determine SRS power control adjustment state information;
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the processor is further configured to:
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index;
  • the second correspondence is determined based on second indication information sent by the network device, the second indication information including information indicating information used to determine a correspondence between the TPC information and the TCI state information;
  • the third correspondence is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine a correspondence between the TPC information and the SRS resource set;
  • the fourth correspondence is determined based on fourth indication information sent by the network device, where the fourth indication information includes information indicating information used to determine a correspondence between the TCI state information and the power control adjustment state index;
  • the fifth correspondence is determined based on fifth indication information sent by the network device, where the fifth indication information includes information indicating information used to determine a correspondence between the TCI state information and the SRS resource set;
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the TCI status information is TCI status information corresponding to a control resource set pool index parameter associated with a control resource set where the downlink control information is located; or, the TCI status information is TCI status information associated with uplink transmission scheduled by the downlink control information; or, the TCI status information is TCI status information indicated by the downlink control information; or, the TCI status information is TCI status information indicated by the network device for uplink transmission;
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the first information further includes second information used to determine channel power control adjustment state information; the second information and the TPC information used to determine SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous;
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal;
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other;
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the present disclosure provides a device for determining SRS power control adjustment state information, the device comprising:
  • a receiving module configured to receive downlink control information sent by a network device
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell for determining sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information;
  • the determination module is configured to determine SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • the present application provides a device for determining SRS power control adjustment state information, the device comprising:
  • a sending module used to send downlink control information to the terminal device
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell for determining sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information;
  • one or more TPC information in the TPC information carried by the first information in the downlink control information is used to determine the SRS power control adjustment state information.
  • the present disclosure provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable a processor to execute the method of any one of the first aspect or the second aspect.
  • the present disclosure provides a method for determining SRS power control adjustment state information, wherein a terminal device receives downlink control information sent by a network device, wherein the downlink control information includes first information.
  • the first information includes one or more of the following information: multiple transmission power control (TPC) information corresponding to the same carrier/cell for determining sounding reference signal (SRS) power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • TPC transmission power control
  • SRS sounding reference signal
  • the terminal device can determine the SRS power control adjustment state information corresponding to each SRS based on the TPC information in the downlink control information, and further determine the transmit power corresponding to each SRS to be transmitted; the terminal device sends the SRS to the corresponding TPR (or antenna panel) based on the transmit power corresponding to each SRS to be transmitted.
  • the SRS power control adjustment state information required for transmitting the SRS to the TRP (or antenna panel) can be independently determined for different TRPs (or antenna panels).
  • the transmit power of each SRS can be determined based on the power control adjustment state information obtained for each SRS, and then the SRS can be sent to the corresponding TRP (or antenna panel) based on the transmit power of each SRS.
  • SRSs are sent to different TRPs (or antenna panels) based on different transmit powers. This improves uplink transmission performance and network transmission performance. That is, it allows for multiple TRPs (or antenna panels) to use their respective corresponding SRS power control adjustment state information to determine the SRS transmission power, which is beneficial to improving uplink transmission performance and network transmission performance.
  • FIG1 is a scene diagram provided by the present disclosure.
  • FIG2 is a flow chart of a method for determining SRS power control adjustment state information according to an embodiment of the present disclosure
  • FIG3 is a flow chart of a method for determining SRS power control adjustment state information according to an embodiment of the present disclosure
  • FIG4 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG5 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG6 is a flow chart of a method for determining SRS power control adjustment state information according to an embodiment of the present disclosure
  • FIG7 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG8 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG9 is a flow chart of a method for determining SRS power control adjustment state information according to an embodiment of the present disclosure
  • FIG10 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG11 is a first schematic diagram of downlink control information provided by an embodiment of the present disclosure.
  • FIG12 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG13 is a second schematic diagram of downlink control information provided by an embodiment of the present disclosure.
  • FIG14 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG15 is a third schematic diagram of downlink control information provided by an embodiment of the present disclosure.
  • FIG16 is a flow chart of a method for determining SRS power control adjustment state information according to an embodiment of the present disclosure
  • FIG17 is a schematic structural diagram of an apparatus for determining SRS power control adjustment state information according to an embodiment of the present disclosure
  • FIG18 is a schematic structural diagram of an apparatus for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG19 is a schematic structural diagram of an apparatus for determining SRS power control adjustment state information provided by an embodiment of the present disclosure
  • FIG20 is a schematic structural diagram of an apparatus for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship between associated objects, indicating that three relationships can exist.
  • a and/or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.
  • the character "/" generally indicates that the associated objects are in an "or” relationship.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar thereto.
  • 5G 5th Generation Mobile Communication Technology, the fifth generation of mobile communication technology.
  • 6G 6th Generation Mobile Communication Technology, the sixth generation of mobile communication technology.
  • LTE Long-Term Evolution
  • NR New Radio, new wireless.
  • TRP Transmission and/or Receiving Point, receiving point and/or transmission point.
  • M-TRP Multiple-TRP, multiple transmission receiving point.
  • CC Carrier Component, carrier component (also called member carrier, constituent carrier).
  • SRS Sounding Reference Signaling, channel detection reference signal.
  • TCI Transmission Configuration Indicator, transmission configuration indicator.
  • TPC Transmit power control, transmission power control.
  • SSB SS/PBCH block (Synchronization Signal/Physical broadcasting Channel block),
  • Synchronization signal/physical broadcast channel block
  • PDCCH Physical Downlink Control Channel, physical downlink control channel.
  • PDSCH Physical Downlink Share CHannel, physical downlink shared channel.
  • PUSCH Physical Uplink Share Channel, physical uplink shared channel.
  • PUCCH Physical Uplink Control Channel, physical uplink control channel.
  • DCI Downlink Control Information, downlink control information.
  • RRC Radio Resource Control, radio resource control/radio resource control protocol.
  • MAC Medium Access Control, media access control.
  • MAC-CE MAC-Control Element, media access control-control unit.
  • MCS Modulation and Coding Scheme, modulation and coding scheme.
  • ID Identity document, ID card identification number, account number, unique code, exclusive number.
  • RSRP Reference Signal Receiving Power, reference signal receiving power.
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with wireless connection function, or other processing device connected to a wireless modem.
  • the name of the terminal device may also be different.
  • the terminal device may be called a user equipment (UE).
  • the wireless terminal device may be a USB storage device, other personal computer memory devices and a dongle, and may also communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal device may be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device.
  • it may be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and/or data with a radio access network.
  • PCS Personal Communication Service
  • SIP Session Initiated Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistants
  • MTC Machine-type Communication terminal devices
  • Wireless terminal devices may also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile stations, remote stations, access points, remote terminals, access terminals, user terminals, user agents, user devices, and wireless access points and routers/modems that meet the limitations of this definition, but are not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services to terminals.
  • a base station may also be called an access point, or may be a device in an access network that communicates with a wireless terminal device over the air interface through one or more sectors, or may be called another name.
  • the network device may be used to interchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device may also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be an evolved network device (eNB or e-NodeB) in a long-term evolution (LTE) system, a 5G base station (gNB) in a next-generation system, etc., or a home evolved Node B (HeNB), a relay node, a femto base station, a pico base station, a network test device, etc., and is not limited in the embodiments of the present disclosure.
  • network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized unit and the distributed unit may also be geographically separated.
  • Network devices and terminal devices can each use one or more antennas for multiple-input, multiple-output (MIMO) transmission.
  • MIMO transmission can be single-user MIMO or multi-user MIMO.
  • MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO. It can also employ diversity transmission, precoding, or beamforming.
  • the terminal device in the embodiment of the present disclosure sends relevant information or similar descriptions to the network side device, which only indicates that the terminal device sends the relevant information in the form of a wireless signal, and its intended recipient is the network device.
  • the network device can obtain the relevant information by receiving the wireless signal.
  • the terminal device when the terminal device sends an uplink transmission signal to the network device, it is necessary to determine the uplink transmission power.
  • the "open-loop operating point” is determined by P0 (j)+ ⁇ (k)PL(q)
  • the "closed-loop offset” is determined by f(l)
  • the "other adjustment variables” are determined by 10log10M + ⁇ .
  • PCMAX is the maximum transmit power of the terminal device (i.e., the maximum allowed transmit power).
  • P 0 (j) is the target power value of the open-loop receiving end. j is an index selected from the indices in an index set P 0. If there is only one value of index j, then (j) in P 0 (j) can be omitted.
  • PL(q) represents the path loss estimate.
  • q is an index.
  • PL(q) can select one path loss estimate from a set of path loss estimates maintained by the terminal device. If there is only one possible value for index q, the (q) in PL(q) can be omitted.
  • ⁇ (k) is a preset power compensation factor, and its value range is [0, 1].
  • k is an index, and an index can be selected from multiple index values. If there is only one value for index k, the (k) in ⁇ (k) can be omitted.
  • f(l) is the power control offset (adjustment) state value (i.e., power control adjustment state information).
  • l is the index.
  • “Other adjustment variables” are mainly adjustment variables related to resource allocation, link adaptation, etc.
  • M is an adjustment amount related to the bandwidth currently allocated for uplink transmission
  • ⁇ is an adjustment amount related to the modulation and coding format (ie, MCS) currently used for uplink transmission.
  • the terminal device When the terminal device needs to send a sounding reference signal (ie, SRS) to the network device, the terminal device needs to determine SRS power control adjustment state information to determine the transmission power of the sounding reference signal based on the SRS power control adjustment state information.
  • SRS sounding reference signal
  • the transmission power of the sounding reference signal is
  • PCMAX,f,c (i) is the maximum transmit power of the terminal device.
  • PO-SRSSRS,b,f,c ( qs ) is the received power of the sounding reference signal configured by the network device.
  • M SRS,b,f,c (i) is the transmission bandwidth of the sounding reference signal.
  • ⁇ SRS,b,f,c ( qs ) is the preset power compensation factor.
  • PLb,fc ( qd ) is the path loss estimation information.
  • hb,f,c (i,l) is the adjustment amount of the transmit power of the physical uplink shared channel of the terminal device; if l (i.e., the SRS power control adjustment state index) has only one value, then l can be ignored, and hb ,f,c (i,l) can be expressed as hb ,f,c (i).
  • i represents the i-th transmission opportunity.
  • h b,f,c (i,l) or h b,f,c (i) is SRS power control adjustment state information.
  • the SRS power control adjustment state information with an index of 1 is the PUSCH power control adjustment state information with a PUSCH power control adjustment state index of 1.
  • the network device when the sounding reference signal is configured to use independent power control adjustment state information for the PUSCH, the network device sends downlink control information in DCI format 2_3 to the terminal device.
  • the downlink control information includes TPC information, which is used to determine the SRS power control adjustment state information.
  • the SRS power control adjustment state index 1 is ignored.
  • the terminal device determines the SRS power control adjustment state information based solely on the TPC information in DCI format 2_3. For each carrier (i.e., CC) of the terminal device, each DCI format 2_3 includes only one TPC information, which indicates a TPC value.
  • the SRS power control adjustment state information of the sounding reference signal is independently configured through each SRS resource set (SRS Resource Set), whether the method of "the sounding reference signal is configured to adopt the same power control adjustment state information as the PUSCH power control adjustment state information" or the method of "the sounding reference signal is configured to adopt power control adjustment state information independent of the PUSCH".
  • SRS Resource Set SRS Resource Set
  • a network device In a multiple transmission reception point (i.e., M-TRP) scenario, a network device has multiple TRPs.
  • M-TRP scenarios include general M-TRP scenarios (i.e., each TRP can perform both uplink and downlink transmissions), asymmetric DL/UL M-TRP scenarios (for a UE, or for a carrier of a UE, some TRPs only perform uplink reception but not downlink transmissions; the remaining TRPs can perform both uplink and downlink transmissions, or different TRPs for uplink and downlink transmissions), and the like, without limitation.
  • the aforementioned TRPs may also be referred to as transmission points, access points (i.e., APs), nodes, or RRHs. These TRPs may be inter-cell TRPs or intra-cell TRPs.
  • the distances between different TRPs and the terminal device vary, and may even vary significantly. Therefore, if the terminal device transmits sounding reference signals for different TRPs, and the SRS power control adjustment state information used for the sounding reference signals corresponding to the different TRPs is the same, this will affect uplink transmission performance. Therefore, it is necessary to provide a solution that allows the SRS transmission power to be determined for multiple TRPs using their respective corresponding SRS power control adjustment state information, which is beneficial for improving uplink transmission performance.
  • the channel conditions of different antenna panels may vary significantly due to differences in orientation. Consequently, if the terminal device uses different antenna panels to transmit sounding reference signals, the SRS power control adjustment state information used by the sounding reference signals transmitted by different panels is the same, which will affect uplink transmission performance. Allowing multiple antenna panels to use their respective corresponding SRS power control adjustment state information to determine the SRS transmission power is beneficial for improving uplink transmission performance.
  • Figure 1 is a scenario diagram provided by the present disclosure. As shown in Figure 1, for the M-TRP scenario, multiple TRPs are included, including TRP01, TRP02, and terminal device 03. Terminal device 03 needs to send sounding reference signals to TRP01 and TRP02 respectively.
  • Step 201 Receive downlink control information sent by a network device.
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell, used to determine the sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating the power control adjustment state index corresponding to the TPC information.
  • the network device includes multiple TRPs, and the network device (for example, one of the TRPs in the network device) sends downlink control information to the terminal device, wherein the downlink control information includes first information.
  • the first information includes multiple TPC information, wherein the multiple TPC information in the first information corresponds to the same carrier/cell, and each TPC information is used to determine SRS power control adjustment state information.
  • the first information includes at least one piece of TPC information, and each piece of TPC information is used to determine both SRS power control adjustment state information and channel power control adjustment state information.
  • the first information includes at least one piece of TPC information and at least one piece of information indicating a power control adjustment state index corresponding to the TPC information.
  • the TPC information is used to determine SRS power control adjustment state information.
  • the TPC information in the first information and the "information indicating the power control adjustment state index corresponding to the TPC information" can have a one-to-one correspondence.
  • Case 4 The information included in the first information is any combination of Case 1, Case 2 and Case 3 above.
  • the first information includes multiple transmission power control TPC information corresponding to the same carrier/cell, which is used to determine the sounding reference signal SRS power control adjustment status information, and the first information also includes at least one TPC information for determining the SRS power control adjustment status information and the channel power control adjustment status information.
  • the first information also includes at least one TPC information for determining SRS power control adjustment state information and channel power control adjustment state information, and the first information also includes at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • the TPC information may also be referred to as a TPC command, a TPC domain, a TPC information domain, or a TPC field, without limitation thereto.
  • Step 202 Determine SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • the terminal device after receiving the downlink control information, determines SRS power control adjustment state information corresponding to each SRS to be transmitted based on the TPC information carried by the first information in the downlink control information. The terminal device then determines the transmit power corresponding to each SRS to be transmitted based on the SRS power control adjustment state information corresponding to each SRS to be transmitted; and the terminal device transmits the SRS to the corresponding TRP based on the transmit power corresponding to each SRS to be transmitted.
  • the first information received by the terminal device includes multiple TPC information, wherein the multiple TPC information in the first information corresponds to the same carrier/cell, and each TPC information is used to determine SRS power control adjustment state information.
  • Each TPC information corresponds to each SRS power control adjustment state information.
  • the terminal device determines the SRS power control adjustment state information corresponding to each SRS to be sent based on each TPC information.
  • the terminal device determines the transmission power corresponding to each SRS to be sent based on the SRS power control adjustment state information corresponding to each SRS to be sent; the terminal device sends the SRS to the corresponding TRP based on the transmission power corresponding to each SRS to be sent.
  • the first information received by the terminal device includes at least one TPC information, and each TPC information is used to determine both the SRS power control adjustment state information and the channel power control adjustment state information.
  • Each TPC information corresponds to each SRS power control adjustment state information.
  • the terminal device determines the transmit power corresponding to each SRS to be transmitted based on the SRS power control adjustment state information corresponding to each SRS to be transmitted; the terminal device transmits the SRS to the corresponding TRP based on the transmit power corresponding to each SRS to be transmitted.
  • the terminal device can also determine the channel power control adjustment state information based on each TPC information.
  • the first information received by the terminal device includes at least one TPC information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • Each SRS power control adjustment state information corresponds to each power control adjustment state index (in this case, the power control adjustment state index is the power control adjustment state index corresponding to the SRS power control adjustment state information).
  • the terminal device determines the TPC information corresponding to the power control adjustment state index of each SRS to be sent based on the power control adjustment state index of each SRS to be sent and based on the above-mentioned "information indicating the power control adjustment state index corresponding to the TPC information"; then, the terminal device determines the SRS power control adjustment state information corresponding to each SRS to be sent based on the TPC information corresponding to the power control adjustment state index of each SRS to be sent; the terminal device determines the transmit power corresponding to each SRS to be sent based on the SRS power control adjustment state information corresponding to each SRS to be sent; and the terminal device sends the SRS to the corresponding TRP based on the transmit power corresponding to each SRS to be sent.
  • the terminal device determines the SRS power control adjustment state information corresponding to each SRS to be transmitted according to the above method. Then, the terminal device determines the transmit power corresponding to each SRS to be transmitted based on the SRS power control adjustment state information corresponding to each SRS to be transmitted; and the terminal device transmits the SRS to the corresponding TRP based on the transmit power corresponding to each SRS to be transmitted.
  • the terminal device determines the SRS power control adjustment state information corresponding to each SRS, and then determines the transmission power corresponding to each SRS to be sent; the terminal device sends SRS to the corresponding TRP according to the transmission power corresponding to each SRS to be sent.
  • the terminal device determines the SRS power control adjustment state information corresponding to each SRS, and then determines the transmission power corresponding to each SRS to be sent; the terminal device sends the SRS to the corresponding antenna panel according to the transmission power corresponding to each SRS to be sent.
  • the type of downlink control information in this embodiment is not limited.
  • the type of downlink control information in this embodiment is any one of the following: DCI format 0_1, DCI format 0_2, DCI format 0_3, DCI format 1_1, DCI format 1_2, DCI format 1_3, and DCI format 2_3, which are defined as new DCI types.
  • the term "defined as a new DCI type" may be, for example, DCI format 2_x, where x is an integer greater than 4.
  • a terminal device receives downlink control information sent by a network device, where the downlink control information includes first information.
  • the first information includes one or more of the following: multiple transmission power control (TPC) information corresponding to the same carrier/cell and used to determine sounding reference signal (SRS) power control adjustment state information; one or more TPC information used to determine SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information used to determine SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • TPC transmission power control
  • SRS sounding reference signal
  • the terminal device can determine the SRS power control adjustment state information corresponding to each SRS based on the TPC information in the downlink control information, and further determine the transmit power corresponding to each SRS to be transmitted; the terminal device transmits the SRS to the corresponding TRP (or antenna panel) based on the transmit power corresponding to each SRS to be transmitted.
  • the SRS power control adjustment state information required for transmitting the SRS to a TRP (or antenna panel) can be independently determined for different TRPs (or antenna panels).
  • the transmit power of each SRS can be determined based on the power control adjustment state information obtained for each SRS, and then the SRS can be sent to the corresponding TRP (or antenna panel) based on the transmit power of each SRS.
  • SRSs are sent to different TRPs (or antenna panels) based on different transmit powers. This improves uplink transmission performance and network transmission performance. That is, it allows for multiple TRPs (or antenna panels) to use their respective corresponding SRS power control adjustment state information to determine the SRS transmission power, which is beneficial to improving uplink transmission performance and network transmission performance.
  • FIG. 3 is a flow chart of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to terminal equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 301 Receive downlink control information sent by a network device.
  • the downlink control information includes first information, and the first information includes: a plurality of transmission power control TPC information corresponding to the same carrier/cell and used to determine the sounding reference signal SRS power control adjustment state information.
  • a terminal device receives downlink control information sent by a network device.
  • the downlink control information includes first information.
  • the first information includes multiple TPC information, wherein the multiple TPC information in the first information corresponds to the same carrier/cell, and each TPC information is used to determine SRS power control adjustment state information.
  • the TPC information may also be referred to as a TPC command, a TPC domain, a TPC information domain, or a TPC field, without limitation thereto.
  • the downlink control information includes multiple TPC information used to determine SRS power control adjustment state information, and these multiple TPC information correspond to the same carrier/cell.
  • the TPC information has a corresponding relationship with the power control adjustment state index
  • the TPC information has a corresponding relationship with the transmission configuration indication TCI state information
  • the TPC information corresponds to the SRS resource set
  • the power control adjustment state index includes a power control adjustment state index corresponding to the SRS power control adjustment state information and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the “power control adjustment state index corresponding to the SRS power control adjustment state information” refers to, for example, the index 1 in the above formula of “sounding reference signal transmission power”.
  • the "power control adjustment state index corresponding to the channel power control adjustment state information” refers, for example, to the index l in the above-mentioned “uplink transmission power” formula (at this time, the “uplink transmission power” formula is used to calculate the transmission power corresponding to the channel, and f(l) in the “uplink transmission power” formula is the channel power control adjustment state information).
  • TPC information corresponds to a power control adjustment state index.
  • the power control adjustment state index is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the power control adjustment state index is the power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index includes: the power control adjustment state index corresponding to the SRS power control adjustment state information, and the power control adjustment state index corresponding to the channel power control adjustment state information.
  • TPC information there is a one-to-one correspondence between TPC information and a power control adjustment state index, or there are multiple TPC information corresponding to the same power control adjustment state index.
  • TPC information corresponds to TCI state information.
  • the TCI state information can be TCI state information, joint TCI state information, UL TCI state information, or common TCI state information.
  • TCI state information is used for uplink transmission.
  • the TCI state information is the common TCI state for uplink transmission indicated by the network device to the UE under the unified TCI framework.
  • TPC information there is a one-to-one correspondence between TPC information and TCI state information, or there are multiple TPC information corresponding to the same TCI state information.
  • TPC information corresponds to SRS resource set information.
  • TPC information there is a one-to-one correspondence between TPC information and SRS resource set information, or there are multiple TPC information corresponding to the same SRS resource set information.
  • TPC information corresponds to TCI state information
  • TCI state information corresponds to power control adjustment state index. That is, TPC information corresponds to TCI state information, and TPC information corresponds to power control adjustment state index.
  • TPC information and TCI state information there is a one-to-one correspondence between TPC information and TCI state information, and a one-to-one correspondence between TCI state information and power control adjustment state index.
  • TPC information and TCI state information there are multiple TCI state information corresponding to the same power control adjustment state index.
  • TPC information corresponds to SRS resource set information, and the SRS resource set information corresponds to a power control adjustment state index. That is, TPC information corresponds to SRS resource set information, and the TPC information corresponds to a power control adjustment state index.
  • TPC information and SRS resource set information there is a one-to-one correspondence between TPC information and SRS resource set information, and a one-to-one correspondence between SRS resource set information and power control adjustment state index.
  • SRS resource set information and power control adjustment state index there is a one-to-one correspondence between TPC information and SRS resource set information, and multiple SRS resource set information correspond to the same power control adjustment state index.
  • Method 6 Any combination of the above-mentioned methods 1, 2, 3, 4, and 5.
  • TPC information corresponds to a power control adjustment state index; the correspondence between the TPC information and the power control adjustment state index is preset.
  • each TPC information corresponds to each power control adjustment state index one by one, or at least multiple TPC information in each TPC information corresponds to the same power control adjustment state index.
  • the power control adjustment state index is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information" may be referred to as the SRS power control adjustment state index.
  • the nth TPC information corresponds to the power control adjustment state index n-1, where n is an integer greater than 1.
  • the downlink control information includes two TPC information; wherein the first TPC information corresponds to the power control adjustment state index 0, and the second TPC information corresponds to the power control adjustment state index 1.
  • the downlink control information includes two TPC information; wherein, the first TPC information corresponds to the power control adjustment state index 0, and the second TPC information corresponds to the power control adjustment state index 0.
  • the downlink control information includes three TPC information; among them, the first TPC information corresponds to the power control adjustment state index 0, the second TPC information corresponds to the power control adjustment state index 1, and the third TPC information corresponds to the power control adjustment state index 1.
  • the terminal device determines the SRS power control adjustment state information corresponding to the same power control adjustment state index based on specific TPC information among the at least multiple TPC information corresponding to the same power control adjustment state index.
  • the "specific TPC information” is, for example, the first TPC information among the "at least multiple TPC information", or, for another example, the TPC information pre-agreed between the terminal device and the network device among the "at least multiple TPC information", or, for another example, the TPC information specified by the network device (for example, via signaling indication).
  • the terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index based on the TPC information corresponding to the power control adjustment state index.
  • the terminal device can determine different SRS power control adjustment state information (for example, two SRS power control adjustment state information) for the same carrier/cell based on the downlink control information sent by the network device.
  • each TPC information corresponds one-to-one to each power control adjustment state index; thus, the terminal device can determine different SRS power control adjustment state information (for example, 2 SRS power control adjustment state information) for the same carrier/cell based on the downlink control information sent by the network device.
  • SRS power control adjustment state information for example, 2 SRS power control adjustment state information
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index
  • the multiple TPC information correspond to the first power control adjustment state index.
  • the terminal device can determine the SRS power control adjustment state information based on specific TPC information in the multiple TPC information corresponding to the first power control adjustment state index.
  • the specific TPC information can be predefined TPC information (for example, the first, or the last, or TPC information associated with the first TCI state, or TPC information associated with the second TCI state), TPC information pre-agreed between the terminal device and the network device, or, for example, TPC information specified by the network device (for example, indicated by signaling).
  • TPC information corresponds to TCI state information
  • TCI state information corresponds to a power control adjustment state index
  • the TPC information and TCI state information have a one-to-one correspondence; that is, each TCI state information corresponds to each power control adjustment state index, or at least multiple TCI state information in each TCI state information corresponds to the same power control adjustment state index. It can be seen that the power control adjustment state index corresponding to the TPC information is determined based on the TCI state information.
  • the power control adjustment state index is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information" may be referred to as the SRS power control adjustment state index.
  • the TPC information corresponds to the TCI state information one-to-one.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to the first TCI state information.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information, where the first TCI state information is a TCI state corresponding to SRS power control adjustment state information.
  • Determining SRS power control adjustment state information based on one or more TPC information in the TPC information carried in the first information in the downlink control information includes determining SRS power control adjustment state information based on one TPC information in the multiple TPC information corresponding to the first TCI state information in the first information.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • the terminal device determines the SRS power control adjustment state information based on specific TPC information in the multiple TPC information corresponding to the first TCI state information.
  • the "specific TPC information" is, for example, the first TPC information in the "at least multiple TPC information", or, for example, TPC information pre-agreed between the terminal device and the network device, or, for example, TPC information specified by the network device (for example, via signaling).
  • the downlink control information includes two TPC information; the first TPC information corresponds to the first TCI state information, and the second TPC information corresponds to the second common TCI state information.
  • the first TCI state information corresponds to power control adjustment state index 0, and the second TCI state information corresponds to power control adjustment state index 1.
  • the downlink control information includes two TPC information; the first TPC information corresponds to the first TCI state information, and the second TPC information corresponds to the second common TCI state information.
  • the first TCI state information corresponds to power control adjustment state index 0, and the second TCI state information corresponds to power control adjustment state index 0.
  • the downlink control information includes three TPC information items.
  • the first TPC information item corresponds to the first TCI state information item
  • the second TPC information item corresponds to the second common TCI state information item
  • the third TPC information item corresponds to the third common TCI state information item.
  • the first TCI state information item corresponds to power control adjustment state index 0
  • the second TCI state information item corresponds to power control adjustment state index 1
  • the third TCI state information item corresponds to power control adjustment state index 1.
  • the terminal device determines the SRS power control adjustment state information corresponding to the same power control adjustment state index based on the specific TPC information in the TPC information corresponding to the at least multiple TCI state information corresponding to the same power control adjustment state index; that is, the terminal device determines the SRS power control adjustment state information corresponding to the same power control adjustment state index based on the specific TPC information in the multiple TPC information corresponding to the same power control adjustment state index.
  • the "specific TPC information” is, for example, the first TPC information in the "at least multiple TPC information", and another example is the TPC information pre-agreed between the terminal device and the network device, and another example is the TPC information specified by the network device (for example, through signaling indication).
  • the downlink control information sent by the network device includes multiple TPC information corresponding to the same carrier/cell, the TPC information corresponds to the TCI state information, and the TCI state information corresponds to the power control adjustment state index; thus, the terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index based on the TPC information corresponding to the power control adjustment state index. For the same carrier/cell, the terminal device can determine the SRS power control adjustment state information corresponding to each power control adjustment state index (for example, two SRS power control adjustment state information) based on the downlink control information sent by the network device.
  • each TCI state information corresponds one-to-one to each power control adjustment state index; thus, the terminal device can determine different SRS power control adjustment state information (e.g., two SRS power control adjustment state information) for the same carrier/cell based on the downlink control information sent by the network device.
  • SRS power control adjustment state information e.g., two SRS power control adjustment state information
  • the terminal device determines the SRS power control adjustment state information corresponding to the same power control adjustment state index based on specific TPC information among multiple TPC information corresponding to the same power control adjustment state index.
  • TPC information corresponds to TCI status information
  • TCI status information corresponds to a power control adjustment state index
  • the network device indicates the correspondence between the TPC information and the TCI status information, and the correspondence between the TCI status information and the power control adjustment state index.
  • the first information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • the first information also includes second information used to determine channel power control adjustment state information.
  • This second information may also be TPC information. That is, the downlink control information includes both TPC information used to determine SRS power control adjustment state information and TPC information used to determine channel power control adjustment state information.
  • the channel power control adjustment state information may be, for example, PUSCH power control adjustment state information or PUCCH power control adjustment state information.
  • the second information and the TPC information used to determine the SRS power control adjustment state information correspond to different bits.
  • the second information and the TPC information used to determine the SRS power control adjustment state information correspond to different codes.
  • TPC information for determining channel power control adjustment state information may also be delivered via the downlink control information.
  • Step 302 Determine TPC information for determining SRS power control adjustment state information based on one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the terminal device needs to determine TPC information used to determine the SRS power control adjustment state information based on the above correspondence.
  • the terminal device pre-stores one or more of the first corresponding relationship, the second corresponding relationship, the third corresponding relationship, the fourth corresponding relationship, the fifth corresponding relationship, and the sixth corresponding relationship.
  • the first corresponding relationship is determined based on first indication information sent by the network device, where the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth correspondence is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the correspondence between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the terminal device pre-stores one or more of the first corresponding relationship, the second corresponding relationship, the third corresponding relationship, the fourth corresponding relationship, the fifth corresponding relationship, and the sixth corresponding relationship.
  • the network device sends one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence to the terminal device.
  • the network device sends first indication information, second indication information, third indication information, fourth indication information, fifth indication information, and sixth indication information to the terminal device.
  • the first indication information includes information indicating information used to determine a first correspondence relationship.
  • the second indication information includes information indicating information used to determine a second correspondence relationship.
  • the third indication information includes information indicating information used to determine a third correspondence relationship.
  • the fourth indication information includes information indicating information used to determine a fourth correspondence relationship.
  • the fifth indication information includes information indicating information used to determine a fifth correspondence relationship.
  • the sixth indication information includes information indicating information used to determine a sixth correspondence relationship.
  • the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information may be independent signaling, or may be carried through DCI signaling, or carried through RRC signaling, or carried through MAC-CE signaling.
  • the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information are indicated through closedLoopIndex signaling.
  • TPC information power control adjustment state index
  • TCI state information etc.
  • the terminal device can determine the TPC information used to determine the SRS power control adjustment status information based on one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence and the sixth correspondence.
  • determining TPC information for determining SRS power control adjustment state information includes: based on the first correspondence, determining the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information is the TCP information used to determine the SRS power control adjustment state information.
  • the terminal device pre-stores or receives the first correspondence, and the terminal device receives downlink control information; the terminal device has learned the power control adjustment state index of the SRS to be transmitted, and the terminal device can select the TPC information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried by the downlink control information based on the correspondence between the TPC information indicated by the first correspondence and the power control adjustment state index.
  • the obtained TPC information corresponding to the power control adjustment state index of the SRS to be transmitted is the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • determining TPC information for determining SRS power control adjustment state information includes: based on the second correspondence, according to the TCI state information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determining the TPC information corresponding to the TCI state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the TCI state information is TCP information for determining the SRS power control adjustment state information.
  • the terminal device if the terminal device pre-stores or receives the second correspondence, and the terminal device receives downlink control information; and there is a correspondence between the TCI state information and the power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the second correspondence and the TCI state information, the terminal device selects the TPC information corresponding to the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried in the downlink control information.
  • determining TPC information for determining SRS power control adjustment state information includes: based on the third correspondence, according to the SRS resource set corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determining the TPC information corresponding to the SRS resource set from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the SRS resource set is TCP information for determining the SRS power control adjustment state information.
  • the terminal device if the terminal device pre-stores or receives the third correspondence, and the terminal device receives downlink control information; and there is a correspondence between an SRS resource set and a power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the SRS resource set corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the third correspondence and the SRS resource set, the terminal device selects the TPC information corresponding to the SRS resource set corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried in the downlink control information.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the TCI status information used in this embodiment can be any of the following: TCI status information is the TCI status information corresponding to the control resource set pool index parameter (coresetPoolIndex) associated with the control resource set (CORESET); wherein the control resource set is the resource used by DCI.
  • TCI status information is the TCI status information associated with the uplink transmission when DCI schedules the uplink transmission.
  • TCI status information is the TCI status information directly indicated by DCI.
  • TCI status information is the TCI status information directly indicated by the network device (for example, TPR, or antenna panel).
  • Step 303 Determine SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • the terminal device has determined the TPC information used to determine the SRS power control adjustment state information from the TPC information in the downlink control information.
  • the terminal device determines the SRS power control adjustment state information based on the obtained TPC information used to determine the SRS power control adjustment state information.
  • the SRS power control adjustment state information corresponding to each SRS to be transmitted is determined.
  • the terminal device determines the transmission power of the SRS based on the obtained SRS power control adjustment state information corresponding to the SRS.
  • the terminal device sends the SRS to the corresponding TRP based on the transmission power of the SRS.
  • the type of downlink control information in this embodiment is not limited.
  • the type of downlink control information in this embodiment is any one of the following: DCI format 0_1, DCI format 0_2, DCI format 0_3, DCI format 1_1, DCI format 1_2, DCI format 1_3, and DCI format 2_3, which are defined as new DCI types.
  • the term "defined as a new DCI type" may be, for example, DCI format 2_x, where x is an integer greater than 4.
  • the terminal device receives downlink control information sent by the network device, wherein the downlink control information includes first information, and the first information includes multiple TPC information for determining SRS power control adjustment state information, and the multiple TPC information corresponds to the same carrier/cell. Since the first information includes multiple TPC information, the multiple TPC information corresponds to the same carrier/cell; for the M-TRP scenario, for the same carrier/cell, the terminal device determines the TPC information for determining the SRS power control adjustment state information based on the TPC information in the downlink control information, and then determines the SRS power control adjustment state information based on the TPC information for determining the SRS power control adjustment state information.
  • the SRS power control adjustment state information corresponding to each SRS to be sent can be obtained in the above manner, and each SRS can correspond to a different TRP.
  • the SRS power control adjustment state information required when sending SRS to the TRP can be independently determined for different TRPs.
  • the terminal device determines the SRS power control adjustment state information based on the obtained TPC information for determining the SRS power control adjustment state information. Among them, the SRS power control adjustment state information corresponding to each SRS to be sent is determined. Then, the terminal device determines the transmission power of the SRS based on the obtained SRS power control adjustment state information corresponding to the SRS. The terminal device sends the SRS to the corresponding TRP based on the transmission power of the SRS. Furthermore, for different TRPs, the SRS is sent to different TRPs based on different transmission powers. The uplink transmission performance and network transmission performance are improved. That is, it is allowed to determine the transmission power of the SRS for multiple TRPs using their respective corresponding SRS power control adjustment state information, which is beneficial to improving the uplink transmission performance and network transmission performance.
  • the terminal device determines different SRS power control adjustment state information for different antenna panels according to the process of the above embodiment; the terminal device determines the transmit power corresponding to each SRS based on the SRS power control adjustment state information corresponding to each SRS; and the terminal device transmits the SRS to each antenna panel based on the transmit power corresponding to each SRS.
  • the SRS transmission power it allows for the SRS transmission power to be determined for multiple antenna panels using their respective corresponding SRS power control adjustment state information, which is beneficial for improving uplink transmission performance and network transmission performance.
  • FIG. 4-FIG . 5 For example, several exemplary solutions are provided in FIG. 4-FIG . 5 .
  • FIG4 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure. As shown in FIG4 , the method provided by this embodiment includes the following steps:
  • Step 401 The network device sends downlink control information to the terminal device.
  • the downlink control information includes first information, and the first information includes: multiple transmission power control TPC information for determining sounding reference signal SRS power control adjustment state information, and the multiple TPC information corresponds to the same carrier/cell.
  • the downlink control information sent by the network device to the terminal device includes multiple TPC information corresponding to the same carrier/cell and used to determine the SRS power control adjustment state information.
  • the TPC information corresponds to the power control adjustment state index, for example, each TPC information corresponds to each power control adjustment state index one by one, or at least multiple TPC information in each TPC information corresponds to the same power control adjustment state index.
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • Step 402 The terminal device determines TPC information used to determine SRS power control adjustment state information based on the first corresponding relationship.
  • the terminal device pre-stores or receives the first correspondence, and the terminal device receives downlink control information; the terminal device has learned the power control adjustment state index of the SRS to be transmitted, and the terminal device can select the TPC information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried by the downlink control information based on the correspondence between the TPC information indicated by the first correspondence and the power control adjustment state index.
  • the obtained TPC information corresponding to the power control adjustment state index of the SRS to be transmitted is the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the terminal device can determine the SRS power control adjustment state information based on specific TPC information in the multiple TPC information corresponding to the first power control adjustment state index.
  • the specific TPC information can be predefined TPC information (for example, the first, or the last, or TPC information associated with the first TCI state, or TPC information associated with the second TCI state), TPC information pre-agreed between the terminal device and the network device, or, for example, TPC information specified by the network device (for example, through signaling indication).
  • Step 403 The terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index according to the TPC information used to determine the SRS power control adjustment state information.
  • Step 404 The terminal device determines the transmission power of the SRS corresponding to the power control adjustment state index according to the SRS power control adjustment state information corresponding to the power control adjustment state index.
  • Step 405 The terminal device sends SRS to the corresponding TRP according to the SRS transmission power corresponding to the power control adjustment state index.
  • the network device is TRP1; the terminal device sends an SRS to TRP1 and TRP2.
  • the SRSs sent by the terminal device to TRP1 and TRP2 may correspond to the same SRS power control adjustment state or may correspond to different SRS power control adjustment states.
  • At least one TPC information among the multiple TPC information is also used to indicate a channel power control parameter.
  • the channel power control parameter is, for example, a PUSCH power control parameter or a PUCCH power control parameter.
  • the first information also includes second information used to determine channel power control adjustment state information; the second information may also be TPC information. That is, the downlink control information includes both TPC information used to determine SRS power control adjustment state information and TPC information used to determine channel power control adjustment state information.
  • the channel power control adjustment state information may be, for example, PUSCH power control adjustment state information or PUCCH power control adjustment state information.
  • the first information of the downlink control information includes two TPC information, namely TPC information 1 and TPC information 2.
  • Power control adjustment state index l is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • FIG5 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure. As shown in FIG5 , the method provided by this embodiment includes the following steps:
  • Step 501 The network device sends downlink control information to the terminal device.
  • the downlink control information includes first information, and the first information includes: multiple transmission power control TPC information for determining sounding reference signal SRS power control adjustment state information, and the multiple TPC information corresponds to the same carrier/cell.
  • the TPC information corresponds to the TCI state information
  • the TCI state information corresponds to the power control adjustment state index
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the downlink control information sent by the network device to the terminal device includes multiple TPC information corresponding to the same carrier/cell and used to determine the SRS power control adjustment state information.
  • the TPC information corresponds to the TCI state information
  • the TCI state information corresponds to the power control adjustment state index.
  • each TCI state information corresponds to each power control adjustment state index one by one, or at least multiple TCI state information in each TCI state information corresponds to the same power control adjustment state index.
  • each TPC information There is a one-to-one correspondence between each TPC information and each TCI state information, or at least a plurality of TPC information in each TPC information corresponds to the same TCI state information.
  • Step 502 The terminal device determines TPC information used to determine SRS power control adjustment state information based on the second corresponding relationship.
  • the terminal device if the terminal device pre-stores or receives the second correspondence, and the terminal device receives downlink control information; and there is a correspondence between the TCI state information and the power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the second correspondence and the TCI state information, the terminal device selects the TPC information corresponding to the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried in the downlink control information.
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • the terminal device determines the SRS power control adjustment state information based on the specific TPC information in the multiple TPC information corresponding to the first TCI state information.
  • the specific TPC information can be predefined TPC information (for example, the first, or the last, or TPC information associated with the first TCI state, or TPC information associated with the second TCI state), TPC information pre-agreed between the terminal device and the network device, or, for example, TPC information specified by the network device (for example, through signaling indication).
  • Step 503 The terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index according to the TPC information used to determine the SRS power control adjustment state information.
  • Step 504 The terminal device determines the transmit power of the SRS corresponding to the power control adjustment state index according to the SRS power control adjustment state information corresponding to the power control adjustment state index.
  • Step 505 The terminal device sends SRS to the corresponding TRP according to the SRS transmission power corresponding to the power control adjustment state index.
  • the network device is TRP1; the terminal device sends an SRS to TRP1 and TRP2.
  • the SRSs sent by the terminal device to TRP1 and TRP2 may correspond to the same SRS power control adjustment state or may correspond to different SRS power control adjustment states.
  • At least one TPC information among the multiple TPC information is also used to indicate a channel power control parameter.
  • the channel power control parameter is, for example, a PUSCH power control parameter or a PUCCH power control parameter.
  • the first information also includes second information used to determine channel power control adjustment state information; the second information may also be TPC information. That is, the downlink control information includes both TPC information used to determine SRS power control adjustment state information and TPC information used to determine channel power control adjustment state information.
  • the channel power control adjustment state information may be, for example, PUSCH power control adjustment state information or PUCCH power control adjustment state information.
  • the first downlink control information includes two TPC information corresponding to the same carrier/cell, namely TPC information 1 and TPC information 2.
  • TPC information 1 corresponds to the first TCI state information
  • TPC information 2 corresponds to the second TCI state information.
  • Power control adjustment state index l is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the first downlink control information includes two TPC information items: TPC information 1 and TPC information 2.
  • TPC information 1 corresponds to the first TCI state information
  • TPC information 2 corresponds to the second TCI state information.
  • Power control adjustment state index 1 corresponds to the SRS power control adjustment state information.
  • FIG. 6 is a flow chart of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to terminal equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 601 Receive downlink control information sent by a network device.
  • the downlink control information includes first information, and the first information includes: one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the terminal device receives downlink control information sent by the network device, wherein the downlink control information includes first information; the first information includes at least one TPC information, each TPC information is used to determine SRS power control adjustment state information and channel power control adjustment state information.
  • the TPC information may also be referred to as a TPC command, a TPC domain, a TPC information domain, or a TPC field, without limitation thereto.
  • the channel power control adjustment state information is, for example, PUSCH power control adjustment state information or PUCCH power control adjustment state information.
  • the TPC information in the downlink control information is used to determine both the SRS power control adjustment state information and the channel power control adjustment state information.
  • the TPC information in the downlink control information is used for both the SRS power control adjustment and the PUSCH/PUCCH power control adjustment.
  • the TPC information has a corresponding relationship with the power control adjustment state index
  • the TPC information has a corresponding relationship with the transmission configuration indication TCI state information
  • the TPC information corresponds to the SRS resource set
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • TPC information corresponds to a power control adjustment state index.
  • the power control adjustment state index is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the power control adjustment state index is the power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index includes: the power control adjustment state index corresponding to the SRS power control adjustment state information, and the power control adjustment state index corresponding to the channel power control adjustment state information.
  • TPC information there is a one-to-one correspondence between TPC information and a power control adjustment state index, or there are multiple TPC information corresponding to the same power control adjustment state index.
  • TPC information corresponds to TCI state information.
  • the TCI state information can be TCI state information, joint TCI state information, UL TCI state information, or common TCI state information.
  • TCI state information is used for uplink transmission.
  • the TCI state information is the common TCI state for uplink transmission indicated by the network device to the UE under the unified TCI framework.
  • TPC information there is a one-to-one correspondence between TPC information and TCI state information, or there are multiple TPC information corresponding to the same TCI state information.
  • TPC information corresponds to SRS resource set information.
  • TPC information there is a one-to-one correspondence between TPC information and SRS resource set information, or there are multiple TPC information corresponding to the same SRS resource set information.
  • TPC information corresponds to TCI state information
  • TCI state information corresponds to power control adjustment state index. That is, TPC information corresponds to TCI state information, and TPC information corresponds to power control adjustment state index.
  • TPC information and TCI state information there is a one-to-one correspondence between TPC information and TCI state information, and a one-to-one correspondence between TCI state information and power control adjustment state index.
  • TPC information and TCI state information there are multiple TCI state information corresponding to the same power control adjustment state index.
  • TPC information corresponds to SRS resource set information, and the SRS resource set information corresponds to a power control adjustment state index. That is, TPC information corresponds to SRS resource set information, and the TPC information corresponds to a power control adjustment state index.
  • TPC information and SRS resource set information there is a one-to-one correspondence between TPC information and SRS resource set information, and a one-to-one correspondence between SRS resource set information and power control adjustment state index.
  • SRS resource set information and power control adjustment state index there is a one-to-one correspondence between TPC information and SRS resource set information, and multiple SRS resource set information correspond to the same power control adjustment state index.
  • Method 6 Any combination of the above-mentioned methods 1, 2, 3, 4, and 5.
  • the downlink control information includes at least one TPC information, wherein each TPC information is used to determine SRS power control adjustment state information and channel power control adjustment state information.
  • TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the correspondence between the TPC information and the "power control adjustment state index corresponding to the SRS power control adjustment state information" is preset.
  • each TPC information corresponds to each "power control adjustment state index corresponding to the SRS power control adjustment state information," or at least multiple TPC information within each TPC information corresponds to the same "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the nth TPC information corresponds to “the power control adjustment state index corresponding to the SRS power control adjustment state information” n ⁇ 1.
  • n is an integer greater than 1.
  • the downlink control information includes two TPC information; among them, the first TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" 0, and the second TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" 1.
  • the TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information," and the TPC information also corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information.”
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information” and the “power control adjustment state index corresponding to the channel power control adjustment state information" associated with the TPC information may be the same or different.
  • each TPC information, each "power control adjustment state index corresponding to the SRS power control adjustment state information", and each "power control adjustment state index corresponding to the channel power control adjustment state information” correspond one to one; or, at least multiple TPC information in each TPC information corresponds to the same "power control adjustment state index corresponding to the SRS power control adjustment state information", and the at least multiple TPC information corresponds to the same "power control adjustment state index corresponding to the channel power control adjustment state information”.
  • TPC information in the downlink control information is used to determine both SRS power control adjustment state information and channel power control adjustment state information; the TPC information corresponds to a "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the "sounding reference signal is configured to use the same power control adjustment state information as the PUSCH power control adjustment state information”
  • the terminal device when the terminal device transmits the SRS, the terminal device can directly determine, based on the TPC information, that the channel power control adjustment state is the SRS power control adjustment state information (i.e., the terminal device can directly determine the SRS power control adjustment state information based on the TPC information).
  • the terminal device can directly determine the channel power control adjustment state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" based on the TPC information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information", which is the SRS power control adjustment state information.
  • the downlink control information carries a TPC information 1, which corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" (it can also be said that TPC information 1 corresponds to the PUSCH power control adjustment state index; because it adopts the method of "the detection reference signal is configured to adopt the same power control adjustment state information as the PUSCH power control adjustment state information").
  • TPC information 1 corresponds to the PUSCH power control adjustment state index; because it adopts the method of "the detection reference signal is configured to adopt the same power control adjustment state information as the PUSCH power control adjustment state information".
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information", and adopts the PUSCH power control adjustment state information.
  • the terminal device determines the SRS transmission power corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" based on the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information", and sends the SRS to the network device based on the SRS transmission power.
  • TPC information in downlink control information is used to determine both SRS power control adjustment state information and channel power control adjustment state information; the TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information," and the TPC information also corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information.”
  • the "sounding reference signal is configured as independent power control adjustment state information from the PUSCH”
  • the SRS power control adjustment state information and the channel power control adjustment state information are determined independently; and, for the same TPC information, the "power control adjustment state index corresponding to the SRS power control adjustment state information" and the "power control adjustment state index corresponding to the channel power control adjustment state information" associated with the TPC information are the same or different.
  • the terminal device can directly determine the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" and the channel power control adjustment state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" based on the TPC information.
  • the downlink control information carries TPC information 1, which corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m, and corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" k; where m is the same as k, or m and k are different.
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m based on TPC information 1, and determines the PUSCH power control adjustment state information corresponding to the PUSCH power control adjustment state index k.
  • the terminal device determines the SRS transmit power corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" k, and transmits the SRS to the network device based on the SRS transmit power.
  • the SRS is configured in this manner, that is, the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information. That is, the configuration of the SRS power control adjustment state information is independently determined.
  • the RRC parameter srs-PowerControlAdjustmentStates is configured to separateClosedLoop, thereby indicating that the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information.
  • the SRS resource corresponding to the SRS can be configured (i.e., SRS-Resource is configured) to indicate that the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information; or the SRS resource set corresponding to the SRS can be configured (i.e., SRS-ResourceSet is configured) to indicate that the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information.
  • the downlink control information sent by the network device includes TPC information for determining the SRS power control adjustment state information and the channel power control adjustment state information.
  • the TPC information directly corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" based on the TPC information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the terminal device can determine different SRS power control adjustment state information (for example, 2 SRS power control adjustment state information) for the same carrier/cell based on the downlink control information sent by the network device.
  • each TPC information corresponds one-to-one to each "power control adjustment state index corresponding to the SRS power control adjustment state information"; furthermore, the terminal device can determine different SRS power control adjustment state information (for example, 2 SRS power control adjustment state information) based on the downlink control information sent by the network device.
  • SRS power control adjustment state information for example, 2 SRS power control adjustment state information
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index
  • the multiple TPC information correspond to the first power control adjustment state index.
  • the terminal device can determine the SRS power control adjustment state information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information" based on specific TPC information among at least multiple TPC information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is the first "power control adjustment state index corresponding to the SRS power control adjustment state information”
  • multiple TPC information corresponds to the first "power control adjustment state index corresponding to the SRS power control adjustment state information”.
  • the terminal device can determine the SRS power control adjustment state information based on specific TPC information among the multiple TPC information corresponding to the first "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the specific TPC information can be predefined TPC information (for example, the first, or the last, or TPC information associated with the first TCI state, or TPC information associated with the second TCI state), TPC information pre-agreed between the terminal device and the network device, or for example, TPC information specified by the network device (for example, through signaling indication).
  • TPC information for example, the first, or the last, or TPC information associated with the first TCI state, or TPC information associated with the second TCI state
  • TPC information pre-agreed between the terminal device and the network device for example, TPC information specified by the network device (for example, through signaling indication).
  • the downlink control information includes TPC information, wherein the TPC information is used to determine SRS power control adjustment state information and channel power control adjustment state information.
  • TPC information corresponds to TCI state information
  • the TCI state information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • TPC information and TCI state information have a corresponding relationship
  • the TPC information and TCI state information have a one-to-one correspondence; that is, each TCI state information corresponds to each "power control adjustment state index corresponding to the SRS power control adjustment state information," or at least multiple TCI state information in each TCI state information corresponds to the same "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the TPC information corresponds to the TCI state information one-to-one.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to the first TCI state information.
  • Multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information, where the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • the terminal device determines the SRS power control adjustment state information based on one TPC information in the multiple TPC information corresponding to the first TCI state information.
  • the TCI state information may be TCI state information, joint TCI state information, UL TCI state information, or common TCI state information.
  • TCI state information is used for uplink transmission.
  • the TCI state information is the common TCI state for uplink transmission indicated by the network device to the UE under the unified TCI framework.
  • the TPC information corresponds to the TCI state information
  • the TCI state information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information”
  • the TCI state information also corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information.”
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information” and the “power control adjustment state index corresponding to the channel power control adjustment state information" associated with the TCI state information are the same or different.
  • each TCI state information and each "power control adjustment state index corresponding to the SRS power control adjustment state information," or at least multiple TCI state information in each TCI state information corresponds to the same "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the TCI state information associated with the TPC information is the TCI state information associated with the uplink transmission process scheduled by the downlink control information; wherein the uplink transmission process is the transmission process of the physical uplink shared channel, or the uplink transmission process is the transmission process of the physical uplink control channel, or the uplink transmission process is the transmission process of the sounding reference signal.
  • the TCI state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" is the TCI state information associated with the PUSCH transmission process/PUCCH transmission process;
  • the TCI state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information” is the TCI state information associated with the SRS transmission process. That is, the terminal device determines the "power control adjustment state index corresponding to the channel power control adjustment state information" based on the TCI state information corresponding to the PUSCH transmission process/PUCCH transmission process; and the terminal device determines the "power control adjustment state index corresponding to the SRS power control adjustment state information" based on the TCI state information corresponding to the SRS transmission process.
  • the TPC information in the downlink control information is used to determine both the SRS power control adjustment state information and the channel power control adjustment state information; the TPC information corresponds to the TCI state information, and the TCI state information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information".
  • the "sounding reference signal is configured to use the same power control adjustment state information as the PUSCH power control adjustment state information”
  • the terminal device transmits the SRS, the terminal device can determine that the channel power control adjustment state is the SRS power control adjustment state information based on the TPC information.
  • the TCI state information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information", which can also be called the TCI state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • TPC information in downlink control information is used to determine both SRS power control adjustment state information and channel power control adjustment state information.
  • the TPC information corresponds to TCI state information, which corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information," and the TCI state information also corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information.”
  • the "sounding reference signal is configured as independent power control adjustment state information from the PUSCH”
  • the SRS power control adjustment state information and the channel power control adjustment state information are determined independently.
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information" and the “power control adjustment state index corresponding to the channel power control adjustment state information” associated with the TPC information may be the same or different.
  • the terminal device can determine the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information” and determine the channel power control adjustment state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" based on the TPC information.
  • the SRS is configured in this manner, that is, the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information. That is, the configuration of the SRS power control adjustment state information is independently determined.
  • the RRC parameter srs-PowerControlAdjustmentStates is configured to separateClosedLoop, thereby indicating that the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information.
  • the SRS resource corresponding to the SRS can be configured (i.e., SRS-Resource is configured) to indicate that the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information; or the SRS resource set corresponding to the SRS can be configured (i.e., SRS-ResourceSet is configured) to indicate that the SRS is configured to use power control adjustment state information that is independent of the PUSCH power control adjustment state information.
  • the terminal device determines the SRS power control adjustment state information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information" based on the specific TPC information in the TPC information corresponding to at least multiple TCI state information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information"; that is, the terminal device determines the SRS power control adjustment state information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information” based on the specific TPC information in the multiple TPC information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the "specific TPC information” is, for example, the first TPC information in this "at least multiple TPC information”.
  • the downlink control information sent by the network device includes TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the TPC information corresponds to the TCI state information
  • the TCI state information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" based on the TPC information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information.”
  • the terminal device determines different SRS power control adjustment state information (for example, two SRS power control adjustment state information) based on the downlink control information sent by the network device.
  • each TCI state information corresponds one-to-one to each "power control adjustment state index corresponding to the SRS power control adjustment state information"; furthermore, the terminal device can determine different SRS power control adjustment state information (for example, 2 SRS power control adjustment state information) based on the downlink control information sent by the network device.
  • the terminal device determines the SRS power control adjustment state information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information" based on specific TPC information in multiple TPC information corresponding to the same "power control adjustment state index corresponding to the SRS power control adjustment state information".
  • the first information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • the first information also includes second information used to determine channel power control adjustment state information.
  • This second information may also be TPC information. That is, the downlink control information includes both TPC information used to determine SRS power control adjustment state information and TPC information used to determine channel power control adjustment state information.
  • the channel power control adjustment state information may be, for example, PUSCH power control adjustment state information or PUCCH power control adjustment state information.
  • the second information and the TPC information used to determine the SRS power control adjustment state information correspond to different bits.
  • the second information and the TPC information used to determine the SRS power control adjustment state information correspond to different codes.
  • TPC information for determining channel power control adjustment state information may also be delivered via the downlink control information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information may be independent of each other.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information may be the power control adjustment state index corresponding to the channel power control adjustment state information.
  • Step 602 Determine TPC information for determining SRS power control adjustment state information based on one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the terminal device needs to determine TPC information used to determine the SRS power control adjustment state information based on the above correspondence.
  • the terminal device pre-stores one or more of the first corresponding relationship, the second corresponding relationship, the third corresponding relationship, the fourth corresponding relationship, the fifth corresponding relationship, and the sixth corresponding relationship.
  • the first corresponding relationship is determined based on first indication information sent by the network device, where the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth corresponding relationship is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the corresponding relationship between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the terminal device pre-stores one or more of the first corresponding relationship, the second corresponding relationship, the third corresponding relationship, the fourth corresponding relationship, the fifth corresponding relationship, and the sixth corresponding relationship.
  • the network device sends one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence to the terminal device.
  • the network device sends first indication information, second indication information, third indication information, fourth indication information, fifth indication information, and sixth indication information to the terminal device.
  • the first indication information includes information indicating information used to determine a first correspondence relationship.
  • the second indication information includes information indicating information used to determine a second correspondence relationship.
  • the third indication information includes information indicating information used to determine a third correspondence relationship.
  • the fourth indication information includes information indicating information used to determine a fourth correspondence relationship.
  • the fifth indication information includes information indicating information used to determine a fifth correspondence relationship.
  • the sixth indication information includes information indicating information used to determine a sixth correspondence relationship.
  • the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information may be independent signaling, or may be carried through DCI signaling, or carried through RRC signaling, or carried through MAC-CE signaling.
  • the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information are indicated through closedLoopIndex signaling.
  • TPC information power control adjustment state index
  • TCI state information etc.
  • the terminal device can determine the TPC information used to determine the SRS power control adjustment status information based on one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence and the sixth correspondence.
  • determining TPC information for determining SRS power control adjustment state information includes: based on the first correspondence, determining the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information is the TCP information used to determine the SRS power control adjustment state information.
  • the terminal device pre-stores or receives the first correspondence, and the terminal device receives downlink control information; the terminal device has learned the power control adjustment state index of the SRS to be transmitted, and the terminal device can select the TPC information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried by the downlink control information based on the correspondence between the TPC information indicated by the first correspondence and the power control adjustment state index.
  • the obtained TPC information corresponding to the power control adjustment state index of the SRS to be transmitted is the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • determining TPC information for determining SRS power control adjustment state information includes: based on the second correspondence, according to the TCI state information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determining the TPC information corresponding to the TCI state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the TCI state information is TCP information for determining the SRS power control adjustment state information.
  • the terminal device if the terminal device pre-stores or receives the second correspondence, and the terminal device receives downlink control information; and there is a correspondence between the TCI state information and the power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the second correspondence and the TCI state information, the terminal device selects the TPC information corresponding to the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried in the downlink control information.
  • determining TPC information for determining SRS power control adjustment state information includes: based on the third correspondence, according to the SRS resource set corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determining the TPC information corresponding to the SRS resource set from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the SRS resource set is TCP information for determining the SRS power control adjustment state information.
  • the terminal device if the terminal device pre-stores or receives the third correspondence, and the terminal device receives downlink control information; and there is a correspondence between an SRS resource set and a power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the SRS resource set corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the third correspondence and the SRS resource set, the terminal device selects the TPC information corresponding to the SRS resource set corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried in the downlink control information.
  • the method of "determining TPC information for determining SRS power control adjustment state information based on the second corresponding relationship" may be selected.
  • the TPC information in the downlink control information is used to determine both SRS power control adjustment state information and channel power control adjustment state information (i.e., PUSCH power control adjustment state information or PUCCH power control adjustment state information).
  • SRS channel power control adjustment state information
  • PUCCH power control adjustment state information
  • the TPC information in the downlink control information is used only to determine SRS power control adjustment state information.
  • the TPC information in the downlink control information is used only to determine PUSCH power control adjustment state information.
  • the TPC information in the downlink control information is used only to determine PUCCH power control adjustment state information.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the TCI status information used in this embodiment can be any of the following: TCI status information is the TCI status information corresponding to the control resource set pool index parameter (coresetPoolIndex) associated with the control resource set (CORESET); wherein the control resource set is the resource used by DCI.
  • TCI status information is the TCI status information associated with the uplink transmission when DCI schedules the uplink transmission.
  • TCI status information is the TCI status information directly indicated by DCI.
  • TCI status information is the TCI status information directly indicated by the network device (for example, TPR, or antenna panel).
  • Step 603 Determine SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • the terminal device has determined the TPC information used to determine the SRS power control adjustment state information from the TPC information in the downlink control information.
  • the terminal device determines the SRS power control adjustment state information based on the obtained TPC information used to determine the SRS power control adjustment state information.
  • the SRS power control adjustment state information corresponding to each SRS to be transmitted is determined.
  • the terminal device determines the transmission power of the SRS based on the obtained SRS power control adjustment state information corresponding to the SRS.
  • the terminal device sends the SRS to the corresponding TRP based on the transmission power of the SRS.
  • the type of downlink control information in this embodiment is not limited.
  • the type of downlink control information in this embodiment is any one of the following: DCI format 0_1, DCI format 0_2, DCI format 0_3, DCI format 1_1, DCI format 1_2, DCI format 1_3, and DCI format 2_3, which are defined as new DCI types.
  • the term "defined as a new DCI type" may be, for example, DCI format 2_x, where x is an integer greater than 4.
  • the terminal device receives downlink control information sent by the network device, wherein the downlink control information includes first information, and the first information includes one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the terminal device determines the TPC information for determining the SRS power control adjustment state information based on the TPC information in the downlink control information, and then determines the SRS power control adjustment state information based on the TPC information for determining the SRS power control adjustment state information.
  • the SRS power control adjustment state information corresponding to each SRS to be sent can be obtained in the above manner, and each SRS can correspond to a different TRP.
  • the SRS power control adjustment state information required when sending SRS to the TRP can be independently determined.
  • the terminal device can also determine the channel power control adjustment state information based on the TPC information.
  • the terminal device determines the SRS power control adjustment state information based on the obtained TPC information for determining the SRS power control adjustment state information. Among them, the SRS power control adjustment state information corresponding to each SRS to be sent is determined. Then, the terminal device determines the transmission power of the SRS based on the obtained SRS power control adjustment state information corresponding to the SRS. The terminal device sends the SRS to the corresponding TRP based on the transmission power of the SRS. Furthermore, for different TRPs, the SRS is sent to different TRPs based on different transmission powers. The uplink transmission performance and network transmission performance are improved. That is, it is allowed to determine the transmission power of the SRS for multiple TRPs using their respective corresponding SRS power control adjustment state information, which is beneficial to improving the uplink transmission performance and network transmission performance.
  • the terminal device determines different SRS power control adjustment state information for different antenna panels according to the process of the above embodiment; the terminal device determines the transmit power corresponding to each SRS based on the SRS power control adjustment state information corresponding to each SRS; and the terminal device transmits the SRS to each antenna panel based on the transmit power corresponding to each SRS.
  • the SRS transmission power it allows for the SRS transmission power to be determined for multiple antenna panels using their respective corresponding SRS power control adjustment state information, which is beneficial for improving uplink transmission performance and network transmission performance.
  • FIG. 7 and FIG. 8 For example, several exemplary solutions are provided in FIG. 7 and FIG. 8 .
  • FIG7 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure. As shown in FIG7 , the method provided by this embodiment includes the following steps:
  • Step 701 The network device sends multiple downlink control information to the terminal device; wherein each of the multiple downlink control information includes first information, and the first information includes TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the terminal device needs to send SRS to different TRPs, and thus the network device needs to transmit multiple TPC information to the terminal device; thus, in the case of M-TRP based on M-DCI (multi-DCI), the network device needs to send multiple downlink control information to the terminal device, and each of the multiple downlink control information includes a TPC information for determining the SRS power control adjustment status information and the channel power control adjustment status information.
  • M-TRP M-DCI
  • TPC information corresponds to a power control adjustment state index; and/or, TPC information corresponds to transmission configuration indicator (TCI) state information; and/or, TPC information corresponds to an SRS resource set.
  • the power control adjustment state index includes a power control adjustment state index corresponding to SRS power control adjustment state information and/or a power control adjustment state index corresponding to channel power control adjustment state information.
  • Step 702 The terminal device determines TPC information used to determine SRS power control adjustment state information based on the first corresponding relationship and/or the second corresponding relationship.
  • the terminal device pre-stores or receives the first correspondence, and the terminal device receives downlink control information; the terminal device has learned the power control adjustment state index of the SRS to be transmitted, and the terminal device can select the TPC information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried by the downlink control information based on the correspondence between the TPC information indicated by the first correspondence and the power control adjustment state index.
  • the obtained TPC information corresponding to the power control adjustment state index of the SRS to be transmitted is the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the terminal device pre-stores or receives the second correspondence, and the terminal device receives downlink control information; and there is a correspondence between the TCI state information and the power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the second correspondence and the TCI state information, the terminal device selects, from the TPC information carried in the downlink control information, the TPC information corresponding to the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted.
  • Step 703 The terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index according to the TPC information used to determine the SRS power control adjustment state information.
  • Step 704 The terminal device determines the transmit power of the SRS corresponding to the power control adjustment state index according to the SRS power control adjustment state information corresponding to the power control adjustment state index.
  • Step 705 The terminal device sends SRS to the corresponding TRP according to the SRS transmission power corresponding to the power control adjustment state index.
  • the network device is TRP1; the terminal device sends an SRS to TRP1 and TRP2.
  • the SRSs sent by the terminal device to TRP1 and TRP2 may correspond to the same SRS power control adjustment state or may correspond to different SRS power control adjustment states.
  • FIG8 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure. As shown in FIG8 , the method provided by this embodiment includes the following steps:
  • Step 801 The network device sends a downlink control message to the terminal device; wherein, the downlink control message includes first information, and the first information includes multiple TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the terminal device needs to send SRS to different TRPs, and thus the network device needs to transmit multiple TPC information to the terminal device; thus, in the case of M-TRP based on S-DCI (single DCI), the network device can send a downlink control information to the terminal device, and the downlink control information includes multiple TPC information for determining SRS power control adjustment status information and channel power control adjustment status information.
  • S-DCI single DCI
  • TPC information corresponds to a power control adjustment state index; and/or, TPC information corresponds to transmission configuration indicator (TCI) state information; and/or, TPC information corresponds to an SRS resource set.
  • the power control adjustment state index includes a power control adjustment state index corresponding to SRS power control adjustment state information and/or a power control adjustment state index corresponding to channel power control adjustment state information.
  • Step 802 The terminal device determines TPC information used to determine SRS power control adjustment state information based on the first corresponding relationship and/or the second corresponding relationship.
  • the terminal device pre-stores or receives the first correspondence, and the terminal device receives downlink control information; the terminal device has learned the power control adjustment state index of the SRS to be transmitted, and the terminal device can select the TPC information corresponding to the power control adjustment state index of the SRS to be transmitted from the TPC information carried by the downlink control information based on the correspondence between the TPC information indicated by the first correspondence and the power control adjustment state index.
  • the obtained TPC information corresponding to the power control adjustment state index of the SRS to be transmitted is the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the terminal device pre-stores or receives the second correspondence, and the terminal device receives downlink control information; and there is a correspondence between the TCI state information and the power control adjustment state index; and the terminal device has learned the power control adjustment state index of the SRS to be transmitted, the terminal device first determines the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted. Then, based on the correspondence between the TPC information indicated by the second correspondence and the TCI state information, the terminal device selects, from the TPC information carried in the downlink control information, the TPC information corresponding to the TCI state information corresponding to the power control adjustment state index of the SRS to be transmitted.
  • Step 803 The terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index according to the TPC information used to determine the SRS power control adjustment state information.
  • Step 804 The terminal device determines the transmit power of the SRS corresponding to the power control adjustment state index according to the SRS power control adjustment state information corresponding to the power control adjustment state index.
  • Step 805 The terminal device sends SRS to the corresponding TRP according to the SRS transmission power corresponding to the power control adjustment state index.
  • the network device is TRP1; the terminal device sends an SRS to TRP1 and TRP2.
  • the SRSs sent by the terminal device to TRP1 and TRP2 may correspond to the same SRS power control adjustment state or may correspond to different SRS power control adjustment states.
  • a network device may send a downlink control message to a terminal device, wherein the downlink control message includes two TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information”
  • the TPC information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information”
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information” is the same as the "power control adjustment state index corresponding to the channel power control adjustment state information.”
  • the first TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" of 0, and the first TPC information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" of 0.
  • the second TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" of 1
  • the first TPC information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" of 1.
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" 0, and determines the channel power control adjustment state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" 0.
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information” 1, and determines the channel power control adjustment state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" 1.
  • a network device may send a downlink control message to a terminal device, where the downlink control message includes two TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the downlink control message includes two TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the first TPC information corresponds to the first TCI state information
  • the second TPC information corresponds to the second TCI state information.
  • the first TCI state information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m1, and the first TCI state information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" k1.
  • the value of m1 is the same as the value of k1, or the value of m1 is different from the value of k1.
  • the second TCI state information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m2, and the second TCI state information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" k2.
  • the value of m2 is the same as the value of k2, or the value of m2 is different from the value of k2.
  • the value of the "power control adjustment state index corresponding to the SRS power control adjustment state information" m1 may be the same as or different from the value of the "power control adjustment state index corresponding to the SRS power control adjustment state information" m2.
  • the value of the "power control adjustment state index corresponding to the channel power control adjustment state information" k1 may be the same as or different from the value of the "power control adjustment state index corresponding to the channel power control adjustment state information" k2.
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m1, and determines the channel power control adjustment state corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" k1. Based on the second TPC information, the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m2, and determines the channel power control adjustment state corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" k2.
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" m1 based on the specific TPC information (for example, the first TPC information) among the two TPC information in the downlink control information.
  • specific TPC information for example, the first TPC information
  • the terminal device determines the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" k1 based on the specific TPC information (for example, the first TPC information) among the two TPC information in the downlink control information.
  • a network device may send a downlink control message to a terminal device, wherein the downlink control message includes two TPC information for determining SRS power control adjustment state information and channel power control adjustment state information.
  • the TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information”
  • the TPC information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information”
  • the "power control adjustment state index corresponding to the SRS power control adjustment state information” is the same as the "power control adjustment state index corresponding to the channel power control adjustment state information.”
  • the first TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information" 0, and the first TPC information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" 0.
  • the second TPC information corresponds to the "power control adjustment state index corresponding to the SRS power control adjustment state information” 0, and the first TPC information corresponds to the "power control adjustment state index corresponding to the channel power control adjustment state information" 0.
  • the terminal device can determine the SRS power control adjustment state information corresponding to the "power control adjustment state index corresponding to the SRS power control adjustment state information" 0 based on specific TPC information (for example, the first TPC information) among the two TPC information, and determine the channel power control adjustment state corresponding to the "power control adjustment state index corresponding to the channel power control adjustment state information" 0.
  • specific TPC information for example, the first TPC information
  • FIG. 9 is a flow chart of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to terminal equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 901 Receive downlink control information sent by a network device.
  • the downlink control information includes first information, and the first information includes at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • a terminal device receives downlink control information sent by a network device.
  • the downlink control information includes first information.
  • the first information includes: at least one TPC information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • Each TPC information is used to determine SRS power control adjustment state information.
  • the TPC information may also be referred to as a TPC command, a TPC domain, a TPC information domain, or a TPC field, without limitation thereto.
  • the power control adjustment state index is a power control adjustment state index corresponding to the SRS power control adjustment state information and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes TPC information and information indicating a power control adjustment state index corresponding to the TPC information.
  • the TPC information is used to determine the SRS power control adjustment state information.
  • the downlink control information includes multiple TPC information and multiple information indicating power control adjustment state indexes corresponding to the TPC information; there is a one-to-one correspondence between the TPC information and the "information indicating the power control adjustment state index corresponding to the TPC information.”
  • the TPC information is used to determine the SRS power control adjustment state information.
  • the TPC information and the "information indicating the power control adjustment state index corresponding to the TPC information" have a one-to-one correspondence, and the network device then indicates the power control adjustment state index corresponding to each TPC information.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • “information indicating the power control adjustment state index corresponding to the TPC information” directly indicates the power control adjustment state index corresponding to the TPC information.
  • the "information indicating the power control adjustment state index corresponding to the TPC information” is used to indicate the TCI state information corresponding to the power control adjustment state index. That is, the "information indicating the power control adjustment state index corresponding to the TPC information” is used to indicate the TCI state information corresponding to the TPC information, wherein the TCI state information corresponds to the power control adjustment state index.
  • the "information indicating the power control adjustment state index corresponding to the TPC information" can directly indicate the power control adjustment state index corresponding to the TPC information, or the "information indicating the power control adjustment state index corresponding to the TPC information" corresponds to the TCI state information (the TCI state information corresponds to the power control adjustment state index); multiple implementations of the "information indicating the power control adjustment state index corresponding to the TPC information" are provided.
  • Step 902 Determine SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • the power control adjustment state index is a power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the terminal device can determine the SRS power control adjustment state information corresponding to the power control adjustment state index indicated by the "information indicating the power control adjustment state index corresponding to the TPC information" based on the TPC information in the downlink control information and the "information indicating the power control adjustment state index corresponding to the TPC information". Then, the terminal device determines the transmit power of the SRS corresponding to the power control adjustment state index based on the SRS power control adjustment state information corresponding to the power control adjustment state index. The terminal device sends the SRS to the corresponding TRP based on the transmit power of the SRS corresponding to the power control adjustment state index.
  • the downlink control information may include multiple TPC information for determining SRS power control adjustment state information and multiple "information indicating a power control adjustment state index corresponding to the TPC information," with the TPC information and the "information indicating a power control adjustment state index corresponding to the TPC information" corresponding one to one.
  • the power control adjustment state index is a power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the terminal device determines the SRS power control adjustment state information corresponding to the power control adjustment state index indicated by each "information indicating the power control adjustment state index corresponding to the TPC information" based on each TPC information and each "information indicating the power control adjustment state index corresponding to the TPC information.”
  • the terminal device determines the transmit power of the SRS corresponding to each power control adjustment state index based on the SRS power control adjustment state information corresponding to each power control adjustment state index. Based on the transmit power of the SRS corresponding to each power control adjustment state index, the terminal device transmits the SRS to the corresponding TRP.
  • the type of downlink control information in this embodiment is not limited.
  • the type of downlink control information in this embodiment is any one of the following: DCI format 0_1, DCI format 0_2, DCI format 0_3, DCI format 1_1, DCI format 1_2, DCI format 1_3, and DCI format 2_3, which are defined as new DCI types.
  • the term "defined as a new DCI type" may be, for example, DCI format 2_x, where x is an integer greater than 4.
  • the terminal device receives downlink control information sent by the network device, wherein the downlink control information includes: at least one TPC information for determining SRS power control adjustment state information and at least one information indicating a power control adjustment state index corresponding to the TPC information.
  • the power control adjustment state index is a power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the terminal device can determine the SRS power control adjustment state information corresponding to the power control adjustment state index based on the TPC information corresponding to the power control adjustment state index.
  • Each SRS power control adjustment state information can correspond to a different TRP.
  • the SRS power control adjustment state information required for sending a sounding reference signal to a TRP can be independently determined for different TRPs.
  • the TPC information is also used to determine the channel power control adjustment state information.
  • the terminal device determines the transmission power of the SRS corresponding to the SRS power control adjustment state index based on the SRS power control adjustment state information corresponding to the SRS power control adjustment state index.
  • the terminal device sends the SRS to the corresponding TRP based on the transmission power of the SRS corresponding to the SRS power control adjustment state index.
  • SRS is sent to different TRPs based on different transmission powers.
  • the uplink transmission performance and network transmission performance are improved. That is, it is allowed to determine the transmission power of the SRS for multiple TRPs using their respective corresponding SRS power control adjustment state information, which is beneficial to improving the uplink transmission performance and network transmission performance.
  • the terminal device determines different SRS power control adjustment state information for different antenna panels according to the process of the above embodiment; the terminal device determines the transmit power corresponding to each SRS based on the SRS power control adjustment state information corresponding to each SRS; and the terminal device transmits the SRS to each antenna panel based on the transmit power corresponding to each SRS.
  • the SRS transmission power it allows for the SRS transmission power to be determined for multiple antenna panels using their respective corresponding SRS power control adjustment state information, which is beneficial for improving uplink transmission performance and network transmission performance.
  • the network device can indicate multiple adjustment modes of SRS power control adjustment state information to the terminal device.
  • FIG. 10 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to terminal equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 1001 The network device sends downlink control information to the terminal device.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1. Each block includes at least one TPC information message used to determine the SRS power control adjustment state. TPC information corresponds to a carrier/cell.
  • the downlink control information includes multiple blocks, and multiple TPC information messages corresponding to the same carrier/cell are included in the same block.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1; each block includes at least one TPC information for determining SRS power control adjustment state information, and each block corresponds to each terminal device.
  • Each block includes X TPC information, where X is a positive integer greater than 1.
  • TPC information is represented by TPC command number; each block includes: TPC command number 1, TPC command number 2, ..., TPC command number X (X is a positive integer greater than 1).
  • the TPC information corresponds to a carrier/cell.
  • At least one of the T blocks includes Y TPC information, where Y is a positive integer greater than 1. Furthermore, multiple TPC information pieces in the Y TPC information in this block correspond to the same carrier/cell. Therefore, multiple TPC information pieces corresponding to the same carrier/cell are included in the same block.
  • the TPC information corresponds to a power control adjustment state index; and/or the TPC information corresponds to TCI state information; and/or the TPC information corresponds to an SRS resource set.
  • the power control adjustment state index includes a power control adjustment state index corresponding to the SRS power control adjustment state information and/or a power control adjustment state index corresponding to the channel power control adjustment state information. Please refer to the description of the above embodiment and will not be repeated here.
  • the number X of TPC information in the block corresponding to the terminal device is the same or different.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions.
  • the values of the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous.
  • the fields of multiple TPC information corresponding to the same carrier/cell are adjacent.
  • At least some adjacent TPC information in the TPC information included in the downlink control information corresponds to different carriers.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the downlink control information meets one or more of the following conditions:
  • the TPC information numbers (also called TPC number or TPC command number) of these multiple TPC information can be set to be continuous.
  • the same block contains multiple TPC information corresponding to the same carrier/cell
  • the fields of these multiple TPC information can be set adjacently.
  • the same block contains TPC information 1 and TPC information 2; both TPC information 1 and TPC information 2 correspond to the same carrier/cell. After the value of the field of TPC information 1 is set, the value of the field of TPC information 1 is continuously set.
  • the third case Since the DCI includes multiple TPC information, some of the multiple TPC information may correspond to the same carrier/cell, and some of the multiple TPC information may correspond to different carriers/cells.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1. At least some of the T blocks also include a sounding reference signal request (SRS request), which is used to trigger a non-periodic sounding reference signal.
  • SRS request is 0 bits or greater.
  • Case 5 The TPC information index value of the TPC information corresponding to the same carrier/cell and the power control adjustment state index value of the TPC information corresponding to the same carrier/cell are positively correlated. Therefore, the smaller the TPC information index value of the TPC information corresponding to the same carrier/cell, the smaller the power control adjustment state index corresponding to the TPC information.
  • the power control adjustment state index here is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the TPC information index value of the TPC information corresponding to the same carrier/cell and the power control adjustment state index value of the TPC information corresponding to the same carrier/cell are negatively correlated.
  • the smaller the TPC information index value of the TPC information corresponding to the same carrier/cell the larger the power control adjustment state index corresponding to the TPC information.
  • the power control adjustment state index here is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • each TPC information (TPC command number 1, TPC command number 2, ..., TPC command number X) in the same block is, in sequence, the first TPC information of the first carrier configured by cc-IndexInOneCC-Set in the RRC signaling, the first TPC information of the second carrier, and so on, until the first TPC information of all carriers configured by cc-IndexInOneCC-Set in the RRC signaling are arranged; then, the second TPC information of each carrier is mapped in the same manner; and so on, until all TPC information of all carriers is mapped.
  • At least some of the T blocks include "information indicating a power control adjustment state index corresponding to the TPC information.”
  • One of the T blocks includes “information indicating a power control adjustment state index corresponding to the TPC information.”
  • each piece of first information is: Closed loop indicator 1, Closed loop indicator 2, ..., Closed loop indicator T.
  • T is a positive integer greater than 1.
  • the order of "information indicating the power control adjustment state index corresponding to the TPC information” and the order of carriers in cc-IndexInOneCC-Set in the RRC signaling of "carrier/cell corresponding to only one SRS power control adjustment state index” are the same.
  • FIG11 is a schematic diagram of downlink control information provided by an embodiment of the present disclosure.
  • the downlink control information includes three blocks, namely block 1, block 2, and block 3.
  • Block 1 corresponds to terminal device 1
  • block 2 corresponds to terminal device 2
  • block 3 corresponds to terminal device 3.
  • Block 1 includes 3 TPC information, among which the first two TPC information correspond to "carrier 1 corresponding to terminal device 1", and the third TPC information corresponds to "carrier 2 corresponding to terminal device 1".
  • Block 2 includes 1 TPC information, which corresponds to "carrier 1 corresponding to terminal device 2".
  • Block 3 includes 2 TPC information, wherein the first TPC information corresponds to “carrier 1 corresponding to terminal device 3”, and the second TPC information corresponds to “carrier 2 corresponding to terminal device 3”.
  • carrier 1 corresponding to terminal device 1 can be the same carrier or different carriers.
  • the carrier 2 corresponding to the terminal device 1 and the carrier 2 corresponding to the terminal device 3 may be the same carrier or different carriers.
  • the above carrier is the uplink carrier (UL carrier).
  • Step 1002 The terminal device determines SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • this step refers to the introduction of the above embodiment and will not be repeated here.
  • FIG. 12 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to terminal equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 1201 The network device sends downlink control information to the terminal device.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1; each block corresponds to each carrier.
  • At least some of the T blocks include multiple TPC information for determining SRS power control adjustment state information. It can be seen that the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1; each block corresponds to each carrier.
  • At least some of the T blocks include multiple TPC information pieces used to determine SRS power control adjustment state information. It can be seen that multiple TPC information pieces corresponding to the same carrier/cell are located in the same block of downlink control information. It can be seen that each TPC information piece corresponding to the same carrier/cell is considered a single block.
  • some of the T blocks include one piece of TPC information for determining SRS power control adjustment state information, and other parts of the T blocks include multiple pieces of TPC information for determining SRS power control adjustment state information.
  • each of the T blocks includes multiple pieces of TPC information for determining SRS power control adjustment state information.
  • each of the T blocks includes TPC information 1 (TPC command number 1), and at least some of the T blocks also include TPC information 2 (TPC command number 2).
  • the TPC information corresponds to a power control adjustment state index; and/or the TPC information corresponds to TCI state information; and/or the TPC information corresponds to an SRS resource set.
  • the power control adjustment state index includes a power control adjustment state index corresponding to the SRS power control adjustment state information and/or a power control adjustment state index corresponding to the channel power control adjustment state information. Please refer to the description of the above embodiment and will not be repeated here.
  • At least some of the T blocks further include a sounding reference signal request (SRS request), where the SRS request is used to trigger a non-periodic sounding reference signal.
  • SRS request may have a value of 0 or greater than 0 bits.
  • FIG13 is a second schematic diagram of downlink control information provided by an embodiment of the present disclosure.
  • the downlink control information includes three blocks, namely block 1, block 2, and block 3.
  • Block 1 corresponds to carrier 1 of terminal device 1
  • block 2 corresponds to carrier 2 of terminal device 1
  • block 3 corresponds to carrier 3 of terminal device 1.
  • Block 1 includes two TPC information items and one SRS request.
  • the two TPC information items are TPC information 1 for block 1 and TPC information 2 for block 1.
  • TPC information 1 for block 1 and TPC information 2 for block 1 correspond to different power control adjustment state indexes.
  • the power control adjustment state index here is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • Block 2 includes 1 TPC information and 1 SRS request.
  • Block 3 includes two TPC information items: TPC information 1 for block 3 and TPC information 2 for block 3.
  • TPC information 1 for block 3 and TPC information 2 for block 3 correspond to different power control adjustment state indexes.
  • the power control adjustment state index here corresponds to the SRS power control adjustment state information.
  • the above carrier is the uplink carrier (UL carrier).
  • Step 1202 Determine SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • this step refers to the introduction of the above embodiment and will not be repeated here.
  • FIG 14 is a signaling diagram of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to terminal equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 1401 The network device sends downlink control information to the terminal device.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1.
  • Each block includes at least one TPC information element used to determine the SRS power control adjustment state.
  • a block corresponds to a carrier/cell.
  • At least two blocks in the downlink control information correspond to the same carrier/cell. It can be seen that multiple TPC information elements corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1.
  • Each block includes at least one TPC information item used to determine the SRS power control adjustment state.
  • a block corresponds to a carrier/cell, and at least two blocks in the downlink control information correspond to the same carrier/cell. It can be seen that multiple TPC information items corresponding to the same carrier/cell included in the downlink control information are located in different blocks in the downlink control information.
  • each of the T blocks includes a TPC information 1 (TPC command number 1).
  • multiple TPC information corresponding to the same carrier/cell are located in different blocks in the downlink control information; and these "multiple TPC information corresponding to the same carrier/cell" correspond to different power control adjustment state indexes.
  • the TPC information corresponds to a power control adjustment state index; and/or the TPC information corresponds to TCI state information; and/or the TPC information corresponds to an SRS resource set.
  • the power control adjustment state index includes a power control adjustment state index corresponding to the SRS power control adjustment state information and/or a power control adjustment state index corresponding to the channel power control adjustment state information. Please refer to the description of the above embodiment and will not be repeated here.
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other;
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the downlink control information includes T blocks, where T is a positive integer greater than or equal to 1. At least some of the T blocks include first information, where the first information is used to indicate a power control adjustment state index corresponding to the TPC information. Alternatively, one of the T blocks includes the first information; or, if there are multiple blocks in the T blocks, each of the multiple blocks includes the first information.
  • one of the T blocks includes first information, and the first information is represented as Closed loop indicator 1.
  • the downlink control information includes three blocks, namely block 1, block 2, and block 3.
  • block 1 corresponds to carrier 1 of terminal device 1
  • block 2 also corresponds to carrier 1 of terminal device 1
  • block 3 corresponds to carrier 2 of terminal device 1.
  • Block 1 includes a TPC information for determining SRS power control adjustment state information
  • block 2 includes a TPC information for determining SRS power control adjustment state information.
  • Block 1 corresponds to power control adjustment state index 0, and block 2 corresponds to power control adjustment state index 1.
  • the power control adjustment state index here is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • the downlink control information includes multiple blocks, namely block 1, block 2, block 3, and block 4.
  • Block 1 corresponds to carrier 1 of terminal device 1
  • block 2 corresponds to carrier 1 of terminal device 1
  • block 3 corresponds to carrier 1 of terminal device 1
  • block 4 corresponds to carrier 1 of terminal device 1.
  • Block 1 includes TPC information for determining SRS power control adjustment state information
  • block 2 includes TPC information for determining SRS power control adjustment state information
  • block 3 includes TPC information for determining SRS power control adjustment state information
  • block 4 includes TPC information for determining SRS power control adjustment state information.
  • Block 1 corresponds to power control adjustment state index
  • block 2 corresponds to power control adjustment state index 1
  • so on block 3 corresponds to power control adjustment state index 2
  • block 4 corresponds to power control adjustment state index 3.
  • the power control adjustment state index here is the power control adjustment state index corresponding to the SRS power control adjustment state information.
  • At least some of the T blocks further include a sounding reference signal request (SRS request), where the SRS request is used to trigger a non-periodic sounding reference signal.
  • SRS request may have a bit length of 0 or greater.
  • Figure 15 is a third schematic diagram of downlink control information provided by an embodiment of the present disclosure.
  • the downlink control information includes three blocks: block 1, block 2, and block 3.
  • Block 1 corresponds to carrier 1 of terminal device 1, and block 2 also corresponds to carrier 1 of terminal device 1;
  • block 3 corresponds to carrier 2 of terminal device 1.
  • Block 1 includes TPC information for determining SRS power control adjustment state information
  • block 2 includes TPC information for determining SRS power control adjustment state information.
  • the downlink control information includes A TPC information, where A is a positive integer greater than 1; the TPC information is used to determine the SRS power control adjustment state information; the A information corresponds to the same carrier/cell.
  • the downlink control information includes A TPC information, where A is a positive integer greater than 1; the TPC information is used to determine SRS power control adjustment state information; multiple TPC information in the A information correspond to the same carrier/cell.
  • the downlink control information includes A TPC information pieces, where A is a positive integer greater than 1.
  • the TPC information is used to determine SRS power control adjustment state information.
  • B TPC information pieces in the A pieces of information correspond to the same carrier/cell, where B is a positive integer greater than 1.
  • C TPC information pieces in the A pieces of information correspond to different carriers/cells, where C is a positive integer greater than 1. That is, A pieces of information can contain multiple TPC information pieces corresponding to different carriers/cells.
  • Step 1402 The terminal device determines SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information.
  • FIG 16 is a flow chart of a method for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for determining SRS power control adjustment state information. This method can be applied to network equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the method provided in this embodiment includes the following steps:
  • Step 1601 Send downlink control information to the terminal device.
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell, used to determine the sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating the power control adjustment state index corresponding to the TPC information.
  • the SRS power control adjustment state information is determined based on one or more pieces of TPC information in the TPC information carried by the first information in the downlink control information.
  • Step 1602 Receive a sounding reference signal sent by a terminal device.
  • the TPC information corresponds to the power control adjustment state index.
  • the TPC information corresponds to the transmission configuration indication TCI state information.
  • the TPC information corresponds to the SRS resource set.
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index
  • the multiple TPC information correspond to the first power control adjustment state index
  • the specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information is used to determine the SRS power control adjustment state information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • the SRS power control adjustment state information is determined based on one TPC information among multiple TPC information corresponding to the first TCI state information in the first information.
  • one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence are used to determine TPC information used to determine SRS power control adjustment state information.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the method further includes:
  • One or more of the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information are sent to the terminal device.
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth corresponding relationship is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the corresponding relationship between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the first information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the values of the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous.
  • the fields of multiple TPC information corresponding to the same carrier/cell are adjacent.
  • At least some adjacent TPC information in the TPC information included in the downlink control information corresponds to different carriers.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the values of the power control adjustment state index corresponding to the TPC information in different blocks and the values of the block index of different blocks correspond to each other.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • FIG17 is a schematic structural diagram of a device for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a device for determining SRS power control adjustment state information.
  • the device can be applied to a terminal device in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the SRS transmission power, which is beneficial to improving the performance of uplink transmission.
  • the device includes: a memory 1710, a transceiver 1720, and a processor 1730.
  • the transceiver 1720 is configured to receive and send data under the control of the processor 1730.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linking together various circuits of one or more processors 1730 represented by processor 1730 and memory 1710 represented by memory 1710.
  • the bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 1720 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium, such as a wireless channel, a wired channel, an optical cable, and the like.
  • the user interface 1740 may also be an interface capable of connecting to required external or internal devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1730 is responsible for managing the bus architecture and general processing, and the memory 1710 can store data used by the processor 1730600 when performing operations.
  • the processor 1730 can be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or a CPLD (Complex Programmable Logic Device).
  • the processor 1730 can also adopt a multi-core architecture.
  • the processor 1730 is configured to execute any method provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the program stored in the memory 1710.
  • the processor 1730 and the memory 1710 may also be physically separated.
  • the memory 1710 is used to store computer programs.
  • the transceiver 1720 is used to send and receive data under the control of the processor 1730.
  • the processor 1730 is used to read the computer program in the memory 1710 and perform the following operations:
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell, used to determine the sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating the power control adjustment state index corresponding to the TPC information.
  • the SRS power control adjustment state information is determined based on one or more pieces of TPC information in the TPC information carried by the first information in the downlink control information.
  • the TPC information corresponds to the power control adjustment state index.
  • the TPC information corresponds to the transmission configuration indication TCI state information.
  • the TPC information corresponds to the SRS resource set.
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index, and the multiple TPC information correspond to the first power control adjustment state index; determining the SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information includes:
  • the SRS power control adjustment state information is determined based on specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information.
  • the SRS power control adjustment state information only needs to be determined based on specific TPC information among the multiple TPC information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • Determining SRS power control adjustment state information based on one or more TPC information in TPC information carried by first information in the downlink control information includes:
  • SRS power control adjustment state information is determined based on one TPC information in the plurality of TPC information corresponding to the first TCI state information in the first information.
  • the processor 1730 is further configured to:
  • TPC information for determining SRS power control adjustment state information is determined.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on the third indication information sent by the network device, and the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth corresponding relationship is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the corresponding relationship between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the processor 1730 when the processor 1730 determines the TPC information used to determine the SRS power control adjustment state information based on the first correspondence, it is used to: based on the first correspondence, determine the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information is the TCP information used to determine the SRS power control adjustment state information.
  • the processor 1730 determines the TPC information used to determine the SRS power control adjustment state information based on the second correspondence, it is used to: based on the second correspondence, according to the TCI state information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determine the TPC information corresponding to the TCI state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the TCI state information is the TCP information used to determine the SRS power control adjustment state information.
  • the processor 1730 determines the TPC information used to determine the SRS power control adjustment state information based on the third correspondence, it is used to: based on the third correspondence, according to the SRS resource set corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determine the TPC information corresponding to the SRS resource set from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the SRS resource set is the TCP information used to determine the SRS power control adjustment state information.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the downlink control information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the values of the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous.
  • the fields of multiple TPC information corresponding to the same carrier/cell are adjacent.
  • At least some adjacent TPC information in the TPC information included in the downlink control information corresponds to different carriers.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other.
  • at least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal.
  • FIG18 is a schematic structural diagram of a device for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a device for determining SRS power control adjustment state information.
  • the device can be applied to network equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the SRS transmission power, which is beneficial to improving the performance of uplink transmission.
  • the device includes: a memory 1810, a transceiver 1820, and a processor 1830.
  • the transceiver 1820 is configured to receive and send data under the control of the processor 1830.
  • Processor 1830 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD). Processor 1830 can also adopt a multi-core architecture.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor 1830 is configured to execute any method provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory 1810.
  • the processor 1830 and the memory 1810 may also be physically separated.
  • the memory 1810 is used to store computer programs.
  • the transceiver 1820 is used to send and receive data under the control of the processor 1830.
  • the processor 1830 is used to read the computer program in the memory 1810 and perform the following operations:
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell, used to determine the sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating the power control adjustment state index corresponding to the TPC information.
  • the TPC information corresponds to the transmission configuration indication TCI state information.
  • the TPC information corresponds to the SRS resource set.
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index
  • the multiple TPC information correspond to the first power control adjustment state index
  • the specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information is used to determine the SRS power control adjustment state information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • the SRS power control adjustment state information is determined based on one TPC information among multiple TPC information corresponding to the first TCI state information in the first information.
  • one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence are used to determine TPC information used to determine SRS power control adjustment state information.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the processor 1803 is further configured to:
  • One or more of the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information are sent to the terminal device.
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth corresponding relationship is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the corresponding relationship between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the first information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the values of the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous.
  • the fields of multiple TPC information corresponding to the same carrier/cell are adjacent.
  • At least some adjacent TPC information in the TPC information included in the downlink control information corresponds to different carriers.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other.
  • at least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal.
  • FIG 19 is a structural diagram of a device for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a device for determining SRS power control adjustment state information, which can be applied to a terminal device in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the device 1900 for determining SRS power control adjustment state information includes:
  • the receiving module 1901 is configured to receive downlink control information sent by a network device.
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell, used to determine the sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating the power control adjustment state index corresponding to the TPC information.
  • the determination module 1902 is configured to determine SRS power control adjustment state information based on one or more pieces of TPC information in the TPC information carried by the first information in the downlink control information.
  • the TPC information corresponds to the power control adjustment state index.
  • the TPC information corresponds to the transmission configuration indication TCI state information.
  • the TPC information corresponds to the SRS resource set.
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index, and the multiple TPC information correspond to the first power control adjustment state index; determining the SRS power control adjustment state information based on one or more TPC information in the TPC information carried by the first information in the downlink control information includes:
  • the SRS power control adjustment state information is determined based on specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information.
  • the SRS power control adjustment state information only needs to be determined based on specific TPC information among the multiple TPC information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • Determining SRS power control adjustment state information based on one or more TPC information in TPC information carried by first information in the downlink control information includes:
  • SRS power control adjustment state information is determined based on one TPC information in the plurality of TPC information corresponding to the first TCI state information in the first information.
  • the determining module 1902 is further configured to:
  • TPC information for determining SRS power control adjustment state information is determined.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on the third indication information sent by the network device, and the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth corresponding relationship is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the corresponding relationship between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the determination module 1902 when the determination module 1902 determines the TPC information used to determine the SRS power control adjustment state information based on the first correspondence, it is used to: based on the first correspondence, determine the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information is the TCP information used to determine the SRS power control adjustment state information.
  • the determination module 1902 is used to: based on the second correspondence, according to the TCI state information corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determine the TPC information corresponding to the TCI state information from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the TCI state information is the TCP information used to determine the SRS power control adjustment state information.
  • the determination module 1902 is used to: based on the third correspondence, according to the SRS resource set corresponding to the power control adjustment state index corresponding to the SRS power control adjustment state information, determine the TPC information corresponding to the SRS resource set from the TPC information carried by the downlink control information, wherein the TPC information corresponding to the SRS resource set is the TCP information used to determine the SRS power control adjustment state information.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the downlink control information further includes second information for determining channel power control adjustment state information; the second information and the TPC information for determining SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the values of the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous.
  • the fields of multiple TPC information corresponding to the same carrier/cell are adjacent.
  • At least some adjacent TPC information in the TPC information included in the downlink control information corresponds to different carriers.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the values of the power control adjustment state index corresponding to the TPC information in different blocks and the values of the block index of different blocks correspond to each other.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • FIG 20 is a structural diagram of a device for determining SRS power control adjustment state information provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a device for determining SRS power control adjustment state information, which can be applied to network equipment in the aforementioned 5G/6G system structure to independently determine the SRS power control adjustment state information required when sending a sounding reference signal to a TRP (or an antenna panel) for different TRPs (or antenna panels); and, for different TRPs (or antenna panels), use their respective corresponding SRS power control adjustment state information to determine the transmission power of the SRS, which is beneficial to improving the performance of uplink transmission.
  • the device 2000 for determining SRS power control adjustment state information includes:
  • the sending module 2001 is used to send downlink control information to the terminal device.
  • the downlink control information includes first information, and the first information includes one or more of the following information: multiple transmission power control TPC information corresponding to the same carrier/cell, used to determine the sounding reference signal SRS power control adjustment state information; one or more TPC information for determining SRS power control adjustment state information and channel power control adjustment state information; at least one TPC information for determining SRS power control adjustment state information and at least one information indicating the power control adjustment state index corresponding to the TPC information.
  • the one or more TPC information in the TPC information carried by the first information in the downlink control information is used to determine the SRS power control adjustment state information.
  • the TPC information corresponds to the power control adjustment state index.
  • the TPC information corresponds to the transmission configuration indication TCI state information.
  • the TPC information corresponds to the SRS resource set.
  • the power control adjustment state index includes: a power control adjustment state index corresponding to the SRS power control adjustment state information, and/or a power control adjustment state index corresponding to the channel power control adjustment state information.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information is a first power control adjustment state index
  • the multiple TPC information correspond to the first power control adjustment state index
  • the specific TPC information among the multiple TPC information corresponding to the first power control adjustment state index in the first information is used to determine the SRS power control adjustment state information.
  • the TPC information and the TCI state information have a corresponding relationship
  • the TPC information and the TCI state information have a one-to-one correspondence.
  • multiple TPC information in the TPC information carried in the downlink control information corresponds to first TCI state information
  • the first TCI state information is a TCI state corresponding to the SRS power control adjustment state information.
  • the SRS power control adjustment state information is determined based on one TPC information among multiple TPC information corresponding to the first TCI state information in the first information.
  • one or more of the first correspondence, the second correspondence, the third correspondence, the fourth correspondence, the fifth correspondence, and the sixth correspondence are used to determine TPC information used to determine SRS power control adjustment state information.
  • the first correspondence is the correspondence between TPC information and the power control adjustment state index
  • the second correspondence is the correspondence between TPC information and TCI state information
  • the third correspondence is the correspondence between TPC information and SRS resource set
  • the fourth correspondence is the correspondence between TCI state information and the power control adjustment state index
  • the fifth correspondence is the correspondence between TCI state information and SRS resource set
  • the sixth correspondence is the correspondence between the power control adjustment state index and the SRS resource set.
  • the sending module 2001 is further configured to:
  • One or more of the first indication information, the second indication information, the third indication information, the fourth indication information, the fifth indication information, and the sixth indication information are sent to the terminal device.
  • the first corresponding relationship is determined based on first indication information sent by the network device, and the first indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the power control adjustment state index.
  • the second correspondence is determined based on second indication information sent by the network device, where the second indication information includes information indicating information used to determine the correspondence between the TPC information and the TCI state information.
  • the third corresponding relationship is determined based on third indication information sent by the network device, where the third indication information includes information indicating information used to determine the corresponding relationship between the TPC information and the SRS resource set.
  • the fourth corresponding relationship is determined based on fourth indication information sent by the network device, and the fourth indication information includes information indicating information used to determine the corresponding relationship between the TCI state information and the power control adjustment state index.
  • the fifth correspondence is determined based on fifth indication information sent by the network device, and the fifth indication information includes information indicating information used to determine the correspondence between the TCI state information and the SRS resource set.
  • the sixth corresponding relationship is determined based on sixth indication information sent by the network device, and the sixth indication information includes information indicating information used to determine the corresponding relationship between the power control adjustment state index and the SRS resource set.
  • the power control adjustment state index corresponding to the SRS power control adjustment state information and the power control adjustment state index corresponding to the channel power control adjustment state information are the same or different.
  • the TCI status information is the TCI status information corresponding to the control resource set pool index parameter associated with the control resource set where the downlink control information is located; or, the TCI status information is the TCI status information associated with the uplink transmission scheduled by the downlink control information; or, the TCI status information is the TCI status information indicated by the downlink control information; or, the TCI status information is the TCI status information for uplink transmission indicated by the network device.
  • the uplink transmission is the transmission of a physical uplink shared channel PUSCH, or the uplink transmission is the transmission of a physical uplink control channel PUCCH, or the uplink transmission is the transmission of an SRS.
  • the first information further includes second information used to determine channel power control adjustment state information; the second information and the TPC information used to determine SRS power control adjustment state information correspond to different bits or different codes.
  • information indicating a power control adjustment state index corresponding to the TPC information is indicated, and TCI state information corresponding to the power control adjustment state index is also indicated.
  • the information indicating the power control adjustment state index corresponding to the TPC information and the TPC information have a one-to-one correspondence.
  • the downlink control information includes multiple blocks, and multiple TPC information corresponding to the same carrier/cell are included in the same block; or, multiple TPC information corresponding to the same carrier/cell are included in different blocks.
  • the downlink control information when the downlink control information includes multiple blocks and multiple TPC information corresponding to the same carrier/cell are included in the same block, the downlink control information meets one or more of the following conditions:
  • the values of the TPC information numbers of multiple TPC information corresponding to the same carrier/cell are continuous.
  • the fields of multiple TPC information corresponding to the same carrier/cell are adjacent.
  • At least some adjacent TPC information in the TPC information included in the downlink control information corresponds to different carriers.
  • At least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger a non-periodic sounding reference signal.
  • the values of the power control adjustment state index corresponding to the TPC information in the different blocks and the values of the block index of the different blocks correspond to each other.
  • at least some of the blocks included in the downlink control information further include a sounding reference signal request, where the sounding reference signal request is used to trigger an aperiodic sounding reference signal.
  • the division of units in the embodiments of the present disclosure is schematic and is merely a logical functional division. In actual implementation, other division methods may be used.
  • the functional units in the various embodiments of the present disclosure may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit.
  • the aforementioned integrated units may be implemented in the form of hardware or software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure, or the part that contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes a number of instructions for causing a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute all or part of the steps of the various embodiments of the present disclosure.
  • An embodiment of the present disclosure provides a processor-readable storage medium storing a computer program, which is used to enable a processor to execute the method for determining SRS power control adjustment state information provided in any one of the above embodiments.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CDs, DVDs, BDs, HVDs, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drives (SSDs)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.
  • optical storage such as CDs, DVDs, BDs, HVDs, etc.
  • semiconductor storage such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drives (SSDs)
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage and optical storage, etc.) containing computer-usable program code.
  • a computer-usable storage media including but not limited to magnetic disk storage and optical storage, etc.
  • These computer-executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation se rapporte au domaine technique des communications, et concerne un procédé et un appareil de détermination d'informations d'état de réglage de commande de puissance de SRS. Le procédé consiste à : recevoir des informations de commande de liaison descendante envoyées par un dispositif de réseau, les informations de contrôle de liaison descendante comprenant un ou plusieurs des éléments d'informations suivants : de multiples éléments d'informations de commande de puissance de transmission (TPC) correspondant à une même porteuse/cellule et utilisés pour déterminer des informations d'état de réglage de commande de puissance de signal de référence de sondage (SRS) ; un ou plusieurs éléments d'informations de TPC utilisés pour déterminer des informations d'état de réglage de commande de puissance de SRS et des informations d'état de réglage de commande de puissance de canal ; et au moins un élément d'informations de TPC utilisé pour déterminer des informations d'état de réglage de commande de puissance de SRS et au moins un élément d'informations utilisé pour indiquer un indice d'état de réglage de commande de puissance correspondant aux informations de TPC. Les informations d'état de réglage de commande de puissance de SRS requises pour envoyer un signal de référence de sondage à un TRP (ou à un panneau d'antenne) peuvent être déterminées indépendamment pour différents TRP (ou différents panneaux d'antenne).
PCT/CN2025/073782 2024-02-07 2025-01-21 Procédé et appareil pour déterminer des informations d'état de réglage de commande de puissance de srs Pending WO2025167611A1 (fr)

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CN202410174999.5A CN120456204A (zh) 2024-02-07 2024-02-07 Srs功率控制调节状态信息的确定方法和装置

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021163990A1 (fr) * 2020-02-21 2021-08-26 Oppo广东移动通信有限公司 Procédé et appareil de commande de transmission de liaison montante, et dispositif associé
CN114175763A (zh) * 2019-07-19 2022-03-11 联想(北京)有限公司 用于附加srs的功率控制的方法和装置
WO2022197600A1 (fr) * 2021-03-16 2022-09-22 Intel Corporation Régulation de puissance de liaison montante améliorée
CN116325962A (zh) * 2020-10-09 2023-06-23 株式会社Ntt都科摩 终端、无线通信方法以及基站

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114175763A (zh) * 2019-07-19 2022-03-11 联想(北京)有限公司 用于附加srs的功率控制的方法和装置
WO2021163990A1 (fr) * 2020-02-21 2021-08-26 Oppo广东移动通信有限公司 Procédé et appareil de commande de transmission de liaison montante, et dispositif associé
CN116325962A (zh) * 2020-10-09 2023-06-23 株式会社Ntt都科摩 终端、无线通信方法以及基站
WO2022197600A1 (fr) * 2021-03-16 2022-09-22 Intel Corporation Régulation de puissance de liaison montante améliorée

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