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WO2023070586A1 - Procédé et appareil de configuration de canal partagé de liaison descendante physique (pdsch) - Google Patents

Procédé et appareil de configuration de canal partagé de liaison descendante physique (pdsch) Download PDF

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Publication number
WO2023070586A1
WO2023070586A1 PCT/CN2021/127682 CN2021127682W WO2023070586A1 WO 2023070586 A1 WO2023070586 A1 WO 2023070586A1 CN 2021127682 W CN2021127682 W CN 2021127682W WO 2023070586 A1 WO2023070586 A1 WO 2023070586A1
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WIPO (PCT)
Prior art keywords
configuration information
pdsch
resource set
control resource
search space
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PCT/CN2021/127682
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English (en)
Chinese (zh)
Inventor
李明菊
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN202180003443.4A priority Critical patent/CN114208354B/zh
Priority to PCT/CN2021/127682 priority patent/WO2023070586A1/fr
Publication of WO2023070586A1 publication Critical patent/WO2023070586A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present application relates to the field of communication technologies, and in particular to a method and device for configuring a Physical Downlink Shared Channel (PDSCH).
  • PDSCH Physical Downlink Shared Channel
  • multiple TRPs can be used to provide services for the terminal, including using multiple The TRP sends the physical downlink control channel PDCCH (Physical Downlink Control Channel) for the terminal.
  • PDCCH Physical Downlink Control Channel
  • the control resource set pool index CORESETPoolIndex corresponding to the multiple control resource sets CORESET corresponding to the multiple search space sets SS set with a link relationship used for PDCCH transmission are the same , the configuration information of the PDSCH sent by different TRPs does not need to be distinguished.
  • the configuration information of PDSCH sent by different TRPs needs to be distinguished. In this case, how to configure the configuration information of PDSCH needs to be solved. question.
  • the embodiment of the first aspect of the present application proposes a physical downlink shared channel PDSCH configuration method, the method is executed by a terminal device, and the method includes:
  • Receive first configuration information where the first configuration information is used to indicate information about at least two search space sets having a link relationship, SS set and a control resource set CORESET corresponding to each search space set, wherein the at least two The control resource set pool index of the CORESET corresponding to the search space set is different;
  • the downlink control information DCI corresponding to the PDSCH is controlled by at least two physical downlink control information in the at least two search space sets with a link relationship Channel PDCCH candidate time-frequency resource transmission.
  • the method further includes: receiving a first media access control layer control element, where the first media access control layer control element is used to indicate that the transmission configuration in the DCI indicates at least one code point corresponding to the TCI field Corresponding to at least one TCI state.
  • each code point corresponds to one or more TCI states
  • the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the designated control resource set pool index.
  • the designated control resource set pool index is one of 0, 1 or 2.
  • specifying that the index of the control resource set pool is 2 corresponds to the index of the control resource set pool of at least two search space sets having a link relationship.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • each code point corresponds to one or more TCI states, and wherein the PDSCH configuration information is the PDSCH configuration information corresponding to the target control resource set pool index;
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET corresponding to the search space set with a smaller number in the at least two search space sets, or,
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET with a smaller number among the at least two CORESETs corresponding to the at least two search space sets.
  • each code point corresponds to one or more TCI states
  • the configuration information of the PDSCH is configuration information of the PDSCH corresponding to the code point.
  • the method further includes: receiving second configuration information, the second configuration information is used to determine a control resource set pool index corresponding to each code point, and the configuration information of the PDSCH corresponding to the code point includes PDSCH configuration information corresponding to the control resource set pool index corresponding to the code point.
  • the method further includes: receiving RRC signaling, where the RRC signaling is used to determine configuration information of the PDSCH.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the configuration information of the PDSCH includes at least one of the following: dataScramblingIdentityPDSCH;
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration, where:
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the at least two PDCCH candidate time-frequency resources corresponding to the at least two search space sets SS sets having a link relationship with the same index value of the PDCCH candidate time-frequency resources are used to send the same DCI.
  • the embodiment of the second aspect of the present application proposes a physical downlink shared channel PDSCH configuration method, the method is executed by a network device, and the method includes:
  • the terminal device determines the configuration information of the physical downlink shared channel PDSCH, wherein the first configuration information is used to indicate at least two search space sets with a link relationship, and each search space set SS set Information about the corresponding control resource set CORESET, wherein the control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different, and wherein the downlink control information DCI corresponding to the PDSCH passes through the at least Transmission of at least two physical downlink control channel PDCCH candidate time-frequency resources in two search space sets.
  • the method further includes: sending a first media access control layer control element, where the first media access control layer control element is used to indicate that the transmission configuration in the DCI indicates at least one code point corresponding to the TCI field Corresponding to at least one TCI state.
  • each code point corresponds to one or more TCI states; the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the specified control resource set pool index.
  • the designated control resource set pool index is one of 0, 1 or 2.
  • the specified control resource set pool index is 2, which corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • each code point corresponds to one or more TCI states
  • the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the target control resource set pool index
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET corresponding to the search space set with a smaller number in the at least two search space sets, or,
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET with a smaller number among the at least two CORESETs corresponding to the at least two search space sets.
  • each code point corresponds to one or more TCI states
  • the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the code point.
  • the method further includes: sending second configuration information, the second configuration information is used to determine the control resource set pool index corresponding to each code point, and the configuration information of the PDSCH corresponding to the code point includes PDSCH configuration information corresponding to the control resource set pool index corresponding to the code point.
  • the method further includes: sending RRC signaling, where the RRC signaling is used to determine configuration information of the PDSCH.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the configuration information of the PDSCH includes at least one of the following: dataScramblingIdentityPDSCH;
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration, where:
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the at least two PDCCH candidate time-frequency resources corresponding to the at least two search space sets SS sets having a link relationship with the same index value of the PDCCH candidate time-frequency resources are used to send the same DCI.
  • the embodiment of the third aspect of the present application proposes a physical downlink shared channel PDSCH configuration device, the device includes:
  • a receiving unit configured to receive first configuration information, where the first configuration information is used to indicate at least two search space sets SS set having a link relationship, and information about a control resource set CORESET corresponding to each search space set, wherein, The control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different;
  • a processing unit configured to determine configuration information of a physical downlink shared channel PDSCH in response to the first configuration information, wherein the downlink control information DCI corresponding to the PDSCH passes through at least one of the at least two search space sets with a link relationship Two physical downlink control channel PDCCH candidate time-frequency resource transmission.
  • the receiving unit is further configured to: receive a first media access control layer control element, where the first media access control layer control element is used to indicate that the transmission configuration in the DCI indicates at least one corresponding to the TCI field At least one TCI state corresponding to the code point.
  • each code point corresponds to one or more TCI states
  • the processing unit is specifically configured to: the configuration information of the PDSCH is the specified control resource set pool index corresponding to the PDSCH configuration information.
  • the designated control resource set pool index is one of 0, 1 or 2.
  • specifying that the index of the control resource set pool is 2 corresponds to the index of the control resource set pool of at least two search space sets having a link relationship.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • each code point corresponds to one or more TCI states
  • the processing unit is specifically configured to: the configuration information of the PDSCH is the PDSCH corresponding to the target control resource set pool index configuration information;
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET corresponding to the search space set with a smaller number in the at least two search space sets, or,
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET with a smaller number among the at least two CORESETs corresponding to the at least two search space sets.
  • each code point corresponds to one or more TCI states
  • the processing unit is specifically configured to: the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the code point .
  • the receiving unit is further configured to: receive second configuration information, the second configuration information is used to determine the control resource set pool index corresponding to each code point, and the configuration of the PDSCH corresponding to the code point
  • the information includes configuration information of the PDSCH corresponding to the control resource set pool index corresponding to the code point.
  • the receiving unit is further configured to: receive RRC signaling, where the RRC signaling is used to determine configuration information of the PDSCH.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the configuration information of the PDSCH includes at least one of the following: dataScramblingIdentityPDSCH;
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration, where:
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the at least two PDCCH candidate time-frequency resources corresponding to the at least two search space sets SS sets having a link relationship with the same index value of the PDCCH candidate time-frequency resources are used to send the same DCI.
  • the embodiment of the fourth aspect of the present application proposes a physical downlink shared channel PDSCH configuration device, the device includes:
  • a sending unit configured to send first configuration information, so that the terminal device determines configuration information of a physical downlink shared channel PDSCH, wherein the first configuration information is used to indicate at least two search space sets with a link relationship, and each Information about the control resource set CORESET corresponding to the search space set SS set, wherein the control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different, and wherein the downlink control information DCI corresponding to the PDSCH is passed through the Transmission of at least two physical downlink control channel PDCCH candidate time-frequency resources in at least two search space sets having a link relationship.
  • the sending unit is further configured to: send a first media access control layer control element, where the first media access control layer control element is used to indicate that the transmission configuration in the DCI indicates at least one corresponding to the TCI field At least one TCI state corresponding to the code point.
  • each code point corresponds to one or more TCI states;
  • the configuration information of the physical downlink shared channel PDSCH is the configuration information of the PDSCH corresponding to the specified control resource set pool index.
  • the designated control resource set pool index is one of 0, 1 or 2.
  • the specified control resource set pool index is 2, which corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • each code point corresponds to one or more TCI states;
  • the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the target control resource set pool index;
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET corresponding to the search space set with a smaller number in the at least two search space sets, or,
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET with a smaller number among the at least two CORESETs corresponding to the at least two search space sets.
  • each code point corresponds to one or more TCI states; the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the code point.
  • the sending unit is further configured to: send second configuration information, where the second configuration information is used to indicate the control resource set pool index corresponding to each code point, and the configuration of the PDSCH corresponding to the code point
  • the information includes configuration information of the PDSCH corresponding to the control resource set pool index corresponding to the code point.
  • the sending unit is further configured to: send RRC signaling, where the RRC signaling is used to determine configuration information of the PDSCH.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the configuration information of the PDSCH includes at least one of the following: dataScramblingIdentityPDSCH;
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration, where:
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the at least two PDCCH candidate time-frequency resources corresponding to the at least two search space sets SS sets having a link relationship with the same index value of the PDCCH candidate time-frequency resources are used to send the same DCI.
  • the embodiment of the fifth aspect of the present application provides a communication device, the device includes a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the The device executes the physical downlink shared channel PDSCH configuration method described in the embodiment of the first aspect above.
  • the embodiment of the sixth aspect of the present application provides a communication device, the device includes a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the The device executes the physical downlink shared channel PDSCH configuration method described in the embodiment of the second aspect above.
  • the embodiment of the seventh aspect of the present application provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the physical downlink shared channel PDSCH configuration method described in the embodiment of the first aspect above.
  • the embodiment of the eighth aspect of the present application provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the physical downlink shared channel PDSCH configuration method described in the embodiment of the second aspect above.
  • the embodiment of the ninth aspect of the present application provides a computer-readable storage medium for storing instructions, and when the instructions are executed, the physical downlink shared channel PDSCH configuration method described in the embodiment of the first aspect above is implemented. .
  • the embodiment of the tenth aspect of the present application provides a computer-readable storage medium for storing instructions.
  • the instructions are executed, the physical downlink shared channel PDSCH configuration method described in the embodiment of the second aspect above is implemented. .
  • the embodiment of the eleventh aspect of the present application provides a computer program that, when running on a computer, causes the computer to execute the method for configuring the physical downlink shared channel PDSCH described in the embodiment of the first aspect.
  • the embodiment of the twelfth aspect of the present application provides a computer program that, when running on a computer, causes the computer to execute the PDSCH configuration method described in the embodiment of the second aspect.
  • the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and each search space set SS set
  • the information of the control resource set CORESET corresponding to the space set determines the configuration information of the physical downlink shared channel PDSCH in response to the first configuration information, wherein the downlink control information DCI corresponding to the PDSCH is passed through the at least two
  • the transmission of at least two physical downlink control channel PDCCH candidate time-frequency resources in a search space set clarifies the PDSCH transmission configuration method when the CORESETPoolIndex corresponding to multiple CORESETs corresponding to multiple SS sets with link relationships are different, improving CORESET configuration flexibility when PDCCH is repeatedly sent, and PDSCH transmission flexibility.
  • FIG. 1 is a schematic flowchart of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application
  • FIG. 3 is a schematic flow diagram of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application
  • FIG. 4 is a schematic flowchart of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application
  • FIG. 5 is a schematic flowchart of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of a physical downlink shared channel PDSCH configuration device provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of an apparatus for configuring a Physical Downlink Shared Channel (PDSCH) provided in an embodiment of the present application;
  • PDSCH Physical Downlink Shared Channel
  • FIG. 8 is a schematic structural diagram of another physical downlink shared channel PDSCH configuration device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • first, second, and third may use terms such as first, second, and third to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present application, first information may also be called second information, and similarly, second information may also be called first information.
  • first information may also be called second information
  • second information may also be called first information.
  • words "if” and "if” as used herein may be interpreted as “at” or "when” or "in response to a determination.”
  • the network device in this embodiment of the present application is an entity on the network side for transmitting or receiving signals.
  • the network equipment can be an evolved base station (Evolved NodeB, eNB), a transmission point (Transmission Reception Point, TRP), a next-generation base station (Next Generation NodeB, gNB) in the NR system, a base station in other future mobile communication systems or An access node in a wireless fidelity (Wireless Fidelity, WiFi) system, etc.
  • Evolved NodeB, eNB evolved NodeB
  • TRP Transmission Reception Point
  • gNB next-generation base station
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the network device.
  • the network device provided by the embodiment of the present application may be composed of a centralized unit (Central Unit, CU) and a distributed unit (Distributed Unit, DU), wherein the CU may also be called a control unit (Control Unit), using CU-DU
  • the structure of the network device such as the protocol layer of the base station, can be separated, and the functions of some protocol layers are placed in the centralized control of the CU, and the remaining part or all of the functions of the protocol layer are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device in the embodiment of the present application is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • the terminal equipment may also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (Mobile Station, MS), mobile terminal equipment (Mobile Terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone (Mobile Phone), a wearable device, a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality ( Augmented Reality, AR) terminal equipment, wireless terminal equipment in Industrial Control, wireless terminal equipment in Self-Driving, wireless terminal equipment in Remote Medical Surgery, smart grid ( Wireless terminal devices in Smart Grid, wireless terminal devices in Transportation Safety, wireless terminal devices in Smart City, wireless terminal devices in Smart Home, etc.
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the terminal device.
  • TRP Transmission and Reception Point
  • TRP Transmit/receive Point
  • a TRP includes one or more panels, and each panel includes one or more co-sited antennas.
  • a control resource set (Control Resource Set, CORESET) is a resource configured for sending downlink control information (Downlink Control Information, DCI) signaling on the downlink control channel PDCCH.
  • DCI Downlink Control Information
  • Control resource set pool index (CORESETPoolIndex)
  • a CORESETPoolIndex value corresponds to one or more CORESETs. It can be understood that each CORESETPoolIndex corresponds to a TRP or a panel. That is, CORESETs corresponding to different CORESETPoolIndex values are used for PDCCH channels of different TRPs or panels.
  • one CORESET can be associated with one or more search space sets SS set, one SS set Only one CORESET can be associated.
  • PDCCH Physical Downlink Control Channel, physical downlink control channel
  • PDSCH Physical Downlink Shared Channel, physical downlink shared channel
  • PUCCH Physical Uplink Control Channel, physical uplink control channel
  • PUSCH Physical Uplink Shared Channel, physical uplink shared channel
  • TCI transmission configuration indication, transmission configuration indication
  • DCI Downlink Control Information, downlink control information
  • RRC Radio Resource Control, radio resource control
  • CSI-RS channel state information reference signal, channel state information reference signal
  • dataScramblingIdentityPDSCH PDSCH data scrambling identity
  • rateMatchPattern rate matching pattern
  • HARQ-ACK Hybrid Automatic Repeat Request-Acknowledgment, Hybrid Automatic Repeat Request-Acknowledgment.
  • FIG. 1 is a schematic flowchart of a method for configuring a Physical Downlink Shared Channel (PDSCH) provided by an embodiment of the present application. It should be noted that the method for configuring the physical downlink shared channel PDSCH in the embodiment of the present application is performed by a terminal device. As shown in Figure 1, the method may include the following steps:
  • Step 101 receiving first configuration information
  • the first configuration information is used to indicate at least two search space sets SS sets with a link relationship, and information about a control resource set CORESET corresponding to each search space set.
  • the CORESETPoolIndex of the CORESETs corresponding to the at least two search space sets are different.
  • Having a link relationship means that at least two PDCCH candidate time-frequency resources (PDCCH candidate) with the same index value in at least two search space sets SS set are used to send the same downlink control information DCI. Sending the same DCI can be interpreted as repeated sending of the PDCCH.
  • the first configuration information is sent by the network device through radio resource control RRC signaling.
  • Step 102 Determine the configuration information of the Physical Downlink Shared Channel PDSCH in response to the first configuration information, wherein the downlink control information DCI corresponding to the PDSCH passes at least two physical downlink control channel PDCCH candidates in at least two search space sets with a link relationship Time-frequency resource transmission.
  • the configuration information of the PDSCH includes at least one item of dataScramblingIdentityPDSCH, rateMatchPattern, and HARQ-ACK feedback configuration information.
  • the DCI corresponding to the PDSCH is transmitted through at least two PDCCH candidate time-frequency resources with the same index value in the at least two search space sets indicated in step 101 and having a link relationship.
  • the configuration information of the PDSCH is determined by receiving RRC signaling.
  • the method further includes: receiving a first Medium Access Control (MAC) control element (Control Element, CE, or control element), the first MAC layer control element uses In order to indicate at least one TCI state corresponding to at least one code point corresponding to the TCI field corresponding to the transmission configuration indication in the DCI, determine that the PDSCH configuration information is the PDSCH configuration information corresponding to the specified control resource set pool index CORESETPoolIndex.
  • MAC Medium Access Control
  • the at least one code point corresponding to the TCI field means that, for example, the TCI field has 3 bits, and the TCI field corresponds to 8 code points, and each code point corresponds to at least one TCI state.
  • Each TCI state corresponds to at least one Quasi Co-location (QCL) type (Type), where the QCL Type includes at least one of Type A, Type B, Type C, and Type D.
  • QCL Quasi Co-location
  • control resource set pool index CORESETPoolIndex as one of 0, 1, and 2.
  • the specified control resource set pool index CORESETPoolIndex is 0 or 1.
  • the specified control resource set pool index CORESETPoolIndex is 0, 1 or 2.
  • the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 2 is configured separately, which is different from the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 0 or 1.
  • control resource set pool index 2 corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • control resource set pool index is separately configured for at least two search space sets having a link relationship. If there is no independent search space set in the control resource set associated with at least two search space sets that have a link relationship, the control resource set pool index of this control resource set is also 2. Otherwise, the control resource set pool index of this control resource set is still 0 or 1. That is, the index of the control resource set pool is 2 only for the search space sets that have links between the control resource set and other search space sets.
  • an independent search space set refers to a search space set that has no link relationship with any other search space set.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • the index of the designated control resource set pool determines the index of the designated control resource set pool, and further, determine the configuration information of the PDSCH as the configuration information of the PDSCH corresponding to the index of the designated control resource set pool.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET corresponding to a search space set with a smaller number in at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET corresponding to the SS set with a smaller number is used as the specified control resource set pool index.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET with a smaller CORESET number among at least two CORESETs corresponding to at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET with the smaller CORESET number is used as the designated control resource set pool index.
  • the PDSCH configuration information is the PDSCH configuration information corresponding to the code point.
  • the second configuration information is used to determine the control resource set pool index corresponding to each code point in the TCI field, and the configuration information of the PDSCH corresponding to the code point includes the control resource set pool index corresponding to the code point Configuration information of the corresponding PDSCH.
  • the corresponding PDSCH configuration information is determined according to the code point. Further, by receiving the second configuration information, the CORESETPoolIndex corresponding to the code point is determined, and the configuration information of the PDSCH corresponding to the code point is the configuration information of the PDSCH corresponding to the CORESETPoolIndex corresponding to the code point. That is, the specified control resource set pool index is determined through the code point.
  • all code points corresponding to the TCI domain may correspond to the same CORESETPoolIndex, or may correspond to different CORESETPoolIndexes.
  • all 8 code points in the TCI domain correspond to CORESETPoolIndex 0, or code points 000, 001, 010 correspond to CORESETPoolIndex 0, code points 011, 100, 101 correspond to CORESETPoolIndex 1, and code points 110, 111 correspond to CORESETPoolIndex 2.
  • Each code point may also correspond to multiple control resource set pool indexes, for example, the CORESETPoolIndex corresponding to code point 111 is 0, 1 or 1, 2, and so on.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration.
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the joint feedback configuration may be a joint of HARQ-ACKs corresponding to partial PDSCHs corresponding to different control resource set pool indexes.
  • the HARQ-ACK feedback of the PDSCHs corresponding to the control resource set pool indexes 0 and 1 adopts joint feedback
  • the control resource set pool index is 2
  • the HARQ-ACK feedback of the corresponding PDSCH adopts separate feedback, that is, the HARQ-ACK feedback of the PDCSH corresponding to the control resource set pool index 0 and 1 uses different bit positions in the same codebook, and the control resource set pool index is 2
  • the HARQ-ACK feedback of the corresponding PDSCH adopts another codebook.
  • the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and the information of the control resource set CORESET corresponding to each search space set, in response to the first
  • the configuration information determines the configuration information of the physical downlink shared channel PDSCH, wherein the downlink control information DCI corresponding to the PDSCH is transmitted through at least two candidate time-frequency resources of the physical downlink control channel PDCCH in at least two search space sets with a link relationship.
  • the PDSCH transmission configuration method improves the configuration flexibility of the CORESET when the PDCCH is repeatedly sent, and the transmission flexibility of the PDSCH.
  • FIG. 2 is a schematic flowchart of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application. It should be noted that the method for configuring the physical downlink shared channel PDSCH in the embodiment of the present application is performed by a terminal device. As shown in Figure 2, the method may include the following steps:
  • Step 201 receiving first configuration information, where the first configuration information is used to indicate at least two search space sets SS sets with a link relationship, and information about a control resource set CORESET corresponding to each search space set.
  • the first configuration information is used to indicate at least two search space sets with a link relationship, and information about a control resource set CORESET corresponding to each search space set SS set.
  • the CORESETPoolIndex of the CORESETs corresponding to the at least two search space sets are different.
  • Step 202 receiving a first MAC control element.
  • the first MAC CE is used to indicate that the transmission configuration in the DCI indicates at least one TCI state corresponding to at least one code point corresponding to the TCI field.
  • the DCI is transmitted through at least two physical downlink control channel PDCCH candidate time-frequency resources in at least two search space sets with a link relationship, that is, the DCI is the corresponding PDCCH candidate time in at least two search space sets SS set
  • the same DCI is sent on the PDCCH candidate time-frequency resources with the same frequency resource index value. Sending the same DCI can be understood as repeatedly sending DCI.
  • Step 203 determining the configuration information of the physical downlink shared channel PDSCH.
  • the PDSCH is a PDSCH scheduled corresponding to the DCI transmitted through at least two PDCCH candidate time-frequency resources in at least two SS sets having a link relationship.
  • the configuration information of the PDSCH includes at least one item of dataScramblingIdentityPDSCH, rateMatchPattern, and HARQ-ACK feedback configuration information.
  • the dataScramblingIdentityPDSCH, rateMatchPattern and HARQ-ACK of the PDSCH scheduled by CORESET corresponding to different CORESETPoolIndex need to be distinguished.
  • the PDSCH configuration information is determined to be the PDSCH configuration information corresponding to the specified control resource set pool index CORESETPoolIndex.
  • control resource set pool index CORESETPoolIndex as one of 0, 1, and 2.
  • the specified control resource set pool index CORESETPoolIndex is 0 or 1.
  • the specified control resource set pool index CORESETPoolIndex is 0, 1 or 2.
  • the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 2 is configured separately, which is different from the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 0 or 1.
  • control resource set pool index 2 corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • control resource set pool index is separately configured for at least two search space sets having a link relationship. If there is no independent search space set in the control resource set associated with at least two search space sets that have a link relationship, the control resource set pool index of this control resource set is also 2. Otherwise, the control resource set pool index of this control resource set is still 0 or 1. That is, the index of the control resource set pool is 2 only for the search space sets that have links between the control resource set and other search space sets.
  • an independent search space set refers to a search space set that has no link relationship with any other search space set.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • the index of the designated control resource set pool determines the index of the designated control resource set pool, and further, determine the configuration information of the PDSCH as the configuration information of the PDSCH corresponding to the index of the designated control resource set pool.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET corresponding to a search space set with a smaller number in at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET corresponding to the SS set with a smaller number is used as the specified control resource set pool index.
  • the CORESET corresponding to SS set#1 is CORESET#3
  • the CORESET corresponding to SS set#2 is CORESET#0
  • the CORESETPoolIndex 1 corresponding to CORESET#3 is used as the specified The control resource set pool index.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET with a smaller CORESET number among at least two CORESETs corresponding to at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET with the smaller CORESET number is used as the designated control resource set pool index.
  • SS set#1 and SS set#2 have a link relationship
  • the CORESET corresponding to SS set#1 is CORESET#3
  • the CORESET corresponding to SS set#2 is CORESET#0
  • the CORESETPoolIndex 0 corresponding to CORESET#0 is used as the specified The control resource set pool index.
  • the PDSCH configuration information is the PDSCH configuration information corresponding to the code point.
  • the second configuration information is received, the second configuration information is used to determine the control resource set pool index corresponding to each code point in the TCI field, and the configuration information of the PDSCH corresponding to the code point includes the control resource set pool index corresponding to the code point PDSCH configuration information.
  • the corresponding PDSCH configuration information is determined according to the code point. Further, by receiving the second configuration information, the CORESETPoolIndex corresponding to the code point is determined, and the configuration information of the PDSCH corresponding to the code point is the configuration information of the PDSCH corresponding to the CORESETPoolIndex corresponding to the code point. That is, the specified control resource set pool index is determined through the code point.
  • all code points corresponding to the TCI domain may correspond to the same CORESETPoolIndex, or may correspond to different CORESETPoolIndexes.
  • all 8 code points in the TCI domain correspond to CORESETPoolIndex 0, or code points 000, 001, 010 correspond to CORESETPoolIndex 0, code points 011, 100, 101 correspond to CORESETPoolIndex 1, and code points 110, 111 correspond to CORESETPoolIndex 2.
  • Each code point may also correspond to multiple control resource set pool indexes, for example, the CORESETPoolIndex corresponding to code point 111 is 0, 1 or 1, 2, and so on.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and the information of the control resource set CORESET corresponding to each search space set, and receive the first media
  • the access layer control element determines the configuration information of the physical downlink shared channel PDSCH, and clarifies the transmission configuration method of PDSCH when the CORESETPoolIndex corresponding to multiple CORESETs corresponding to multiple SS sets with a link relationship is different, and improves the PDCCH repeated transmission.
  • FIG. 3 is a schematic flowchart of a physical downlink shared channel PDSCH configuration method provided by an embodiment of the present application. It should be noted that the method for configuring the physical downlink shared channel PDSCH in the embodiment of the present application is performed by a terminal device. As shown in Figure 3, the method may include the following steps:
  • Step 301 determine the configuration information of the physical downlink shared channel PDSCH, wherein the downlink control information DCI corresponding to the PDSCH is transmitted through at least two physical downlink control channel PDCCH candidate time-frequency resources in at least two search space sets with a link relationship.
  • the configuration information of the PDSCH includes at least one item of dataScramblingIdentityPDSCH, rateMatchPattern, and HARQ-ACK feedback configuration information.
  • the dataScramblingIdentityPDSCH, rateMatchPattern and HARQ-ACK of the PDSCH scheduled by CORESET corresponding to different CORESETPoolIndex need to be distinguished.
  • the PDSCH configuration information is determined to be the PDSCH configuration information corresponding to the specified control resource set pool index CORESETPoolIndex.
  • control resource set pool index CORESETPoolIndex as one of 0, 1, and 2.
  • the specified control resource set pool index CORESETPoolIndex is 0 or 1.
  • the specified control resource set pool index CORESETPoolIndex is 0, 1 or 2.
  • the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 2 is configured separately, which is different from the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 0 or 1.
  • control resource set pool index 2 corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • control resource set pool index is separately configured for at least two search space sets having a link relationship. If there is no independent search space set in the control resource set associated with at least two search space sets that have a link relationship, the control resource set pool index of this control resource set is also 2. Otherwise, the control resource set pool index of this control resource set is still 0 or 1. That is, the index of the control resource set pool is 2 only for the search space sets that have links between the control resource set and other search space sets.
  • an independent search space set refers to a search space set that has no link relationship with any other search space set.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • the index of the designated control resource set pool determines the index of the designated control resource set pool, and further, determine the configuration information of the PDSCH as the configuration information of the PDSCH corresponding to the index of the designated control resource set pool.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET corresponding to a search space set with a smaller number in at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET corresponding to the SS set with a smaller number is used as the specified control resource set pool index.
  • the CORESET corresponding to SS set#1 is CORESET#3
  • the CORESET corresponding to SS set#2 is CORESET#0
  • the CORESETPoolIndex 1 corresponding to CORESET#3 is used as the specified The control resource set pool index.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET with a smaller CORESET number among at least two CORESETs corresponding to at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET with the smaller CORESET number is used as the designated control resource set pool index.
  • SS set#1 and SS set#2 have a link relationship
  • the CORESET corresponding to SS set#1 is CORESET#3
  • the CORESET corresponding to SS set#2 is CORESET#0
  • the CORESETPoolIndex 0 corresponding to CORESET#0 is used as the specified The control resource set pool index.
  • the PDSCH configuration information is the PDSCH configuration information corresponding to the code point.
  • the second configuration information is received, the second configuration information is used to determine the control resource set pool index corresponding to each code point in the TCI field, and the configuration information of the PDSCH corresponding to the code point includes the control resource set pool index corresponding to the code point PDSCH configuration information.
  • the corresponding PDSCH configuration information is determined according to the code point. Further, by receiving the second configuration information, the CORESETPoolIndex corresponding to the code point is determined, and the configuration information of the PDSCH corresponding to the code point is the configuration information of the PDSCH corresponding to the CORESETPoolIndex corresponding to the code point. That is, the specified control resource set pool index is determined through the code point.
  • all code points corresponding to the TCI domain may correspond to the same CORESETPoolIndex, or may correspond to different CORESETPoolIndexes.
  • all 8 code points in the TCI domain correspond to CORESETPoolIndex 0, or code points 000, 001, 010 correspond to CORESETPoolIndex 0, code points 011, 100, 101 correspond to CORESETPoolIndex 1, and code points 110, 111 correspond to CORESETPoolIndex 2.
  • Each code point may also correspond to multiple control resource set pool indexes, for example, the CORESETPoolIndex corresponding to code point 111 is 0, 1 or 1, 2, and so on.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and the information of the control resource set CORESET corresponding to each search space set, and receive the first media
  • the access layer control element determines the configuration information of the physical downlink shared channel PDSCH, and clarifies the transmission configuration method of PDSCH when the CORESETPoolIndex corresponding to multiple CORESETs corresponding to multiple SS sets with a link relationship is different, and improves the PDCCH repeated transmission.
  • FIG. 4 is a schematic flowchart of a method for configuring a Physical Downlink Shared Channel (PDSCH) provided by an embodiment of the present application. It should be noted that, the physical downlink shared channel PDSCH configuration method in the embodiment of the present application is executed by a network device. As shown in Figure 4, the method may include the following steps:
  • Step 401 Send first configuration information to enable the terminal device to determine configuration information of the Physical Downlink Shared Channel PDSCH, wherein the first configuration information is used to indicate at least two search space sets with a link relationship, and each search space The information of the control resource set CORESET corresponding to the set SS set, and wherein the downlink control information DCI corresponding to the PDSCH is transmitted through at least two physical downlink control channel PDCCH candidate time-frequency resources in at least two search space sets with a link relationship.
  • control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different.
  • Having a link relationship means that at least two PDCCH candidate time-frequency resources (PDCCH candidate) with the same index value in at least two search space sets SS set are used to send the same downlink control information DCI. Sending the same DCI can be interpreted as repeated sending of the PDCCH.
  • the first configuration information is sent by the network device through radio resource control RRC signaling.
  • the configuration information of the PDSCH includes at least one item of dataScramblingIdentityPDSCH, rateMatchPattern, and HARQ-ACK feedback configuration information.
  • the DCI corresponding to the PDSCH is transmitted through at least two PDCCH candidate time-frequency resources with the same index value in at least two search space sets with a link relationship.
  • the method further includes: sending RRC signaling, so that the terminal device determines the configuration information of the PDSCH through the RRC signaling.
  • the method further includes: sending a first Medium Access Control (MAC) control element (Control Element, CE, or control element), the first MAC layer control element uses In order to indicate at least one TCI state corresponding to at least one code point corresponding to the TCI field corresponding to the transmission configuration indication in the DCI, determine that the PDSCH configuration information is the PDSCH configuration information corresponding to the specified control resource set pool index CORESETPoolIndex.
  • MAC Medium Access Control
  • the at least one code point corresponding to the TCI field means that, for example, the TCI field has 3 bits, and the TCI field corresponds to 8 code points, and each code point corresponds to at least one TCI state.
  • Each TCI state corresponds to at least one Quasi Co-location (QCL) type (Type), where the QCL Type includes at least one of Type A, Type B, Type C, and Type D.
  • QCL Quasi Co-location
  • control resource set pool index CORESETPoolIndex as one of 0, 1, and 2.
  • the specified control resource set pool index CORESETPoolIndex is 0 or 1.
  • the specified control resource set pool index CORESETPoolIndex is 0, 1 or 2.
  • the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 2 is configured separately, which is different from the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 0 or 1.
  • control resource set pool index 2 corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • control resource set pool index is separately configured for at least two search space sets having a link relationship. If there is no independent search space set in the control resource set associated with at least two search space sets that have a link relationship, the control resource set pool index of this control resource set is also 2. Otherwise, the control resource set pool index of this control resource set is still 0 or 1. That is, the index of the control resource set pool is 2 only for the search space sets that have links between the control resource set and other search space sets.
  • an independent search space set refers to a search space set that has no link relationship with any other search space set.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • the index of the designated control resource set pool determines the index of the designated control resource set pool, and further, determine the configuration information of the PDSCH as the configuration information of the PDSCH corresponding to the index of the designated control resource set pool.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET corresponding to a search space set with a smaller number in at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET corresponding to the SS set with a smaller number is used as the designated control resource set pool index.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET with a smaller CORESET number among at least two CORESETs corresponding to at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET with the smaller CORESET number is used as the designated control resource set pool index.
  • the PDSCH configuration information is the PDSCH configuration information corresponding to the code point.
  • the second configuration information is sent, the second configuration information is used to determine the control resource set pool index corresponding to each code point in the TCI field, and the configuration information of the PDSCH corresponding to the code point includes the control resource set pool index corresponding to the code point PDSCH configuration information.
  • the terminal device determines the CORESETPoolIndex corresponding to the code point, and the configuration information of the PDSCH corresponding to the code point is the configuration information of the PDSCH corresponding to the CORESETPoolIndex corresponding to the code point. That is, the specified control resource set pool index is determined through the code point.
  • all code points corresponding to the TCI domain may correspond to the same CORESETPoolIndex, or may correspond to different CORESETPoolIndexes.
  • all 8 code points in the TCI domain correspond to CORESETPoolIndex 0, or code points 000, 001, 010 correspond to CORESETPoolIndex 0, code points 011, 100, 101 correspond to CORESETPoolIndex 1, and code points 110, 111 correspond to CORESETPoolIndex 2.
  • Each code point may also correspond to multiple control resource set pool indexes, for example, the CORESETPoolIndex corresponding to code point 111 is 0, 1 or 1, 2, and so on.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration.
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the joint feedback configuration may be a joint of HARQ-ACKs corresponding to partial PDSCHs corresponding to different control resource set pool indexes.
  • the HARQ-ACK feedback of the PDSCHs corresponding to the control resource set pool indexes 0 and 1 adopts joint feedback
  • the control resource set pool index is 2
  • the HARQ-ACK feedback of the corresponding PDSCH adopts separate feedback, that is, the HARQ-ACK feedback of the PDCSH corresponding to the control resource set pool index 0 and 1 uses different bit positions in the same codebook, and the control resource set pool index is 2
  • the HARQ-ACK feedback of the corresponding PDSCH adopts another codebook.
  • the terminal device determines the configuration information of the physical downlink shared channel PDSCH, wherein the first configuration information is used to indicate at least two search space sets with a link relationship, and each search space set Information about the control resource set CORESET corresponding to the space set SS set, and wherein the downlink control information DCI corresponding to the PDSCH is transmitted through at least two physical downlink control channel PDCCH candidate time-frequency resources in at least two search space sets having a link relationship, It clarifies the PDSCH transmission configuration method when the CORESETPoolIndex corresponding to multiple CORESETs corresponding to multiple SS sets with a link relationship is different, and improves the configuration flexibility of CORESET when PDCCH is repeatedly sent, and the transmission flexibility of PDSCH.
  • FIG. 5 is a schematic flowchart of a method for configuring a Physical Downlink Shared Channel (PDSCH) provided by an embodiment of the present application. It should be noted that, the physical downlink shared channel PDSCH configuration method in the embodiment of the present application is executed by a network device. As shown in Figure 5, the method may include the following steps:
  • Step 501 sending first configuration information, where the first configuration information is used to indicate at least two search space sets SS sets with a link relationship, and information about a control resource set CORESET corresponding to each search space set.
  • control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different.
  • the first configuration information is sent through radio resource control RRC signaling.
  • Step 502 sending the first MAC control element.
  • the first MAC CE is used to indicate that the transmission configuration in the DCI indicates at least one TCI state corresponding to at least one code point corresponding to the TCI field.
  • the DCI is transmitted through at least two physical downlink control channel PDCCH candidate time-frequency resources in at least two search space sets with a link relationship, that is, the DCI is the corresponding PDCCH candidate time in at least two search space sets SS set
  • the same DCI is sent on the PDCCH candidate time-frequency resources with the same frequency resource index value. Sending the same DCI can be understood as repeatedly sending DCI.
  • Step 503 sending RRC signaling, so that the terminal device determines configuration information of the physical downlink shared channel PDSCH.
  • the PDSCH is a PDSCH scheduled corresponding to the DCI transmitted through at least two PDCCH candidate time-frequency resources in at least two SS sets having a link relationship.
  • the configuration information of the PDSCH includes at least one item of dataScramblingIdentityPDSCH, rateMatchPattern, and HARQ-ACK feedback configuration information.
  • the dataScramblingIdentityPDSCH, rateMatchPattern and HARQ-ACK of the PDSCH scheduled by CORESET corresponding to different CORESETPoolIndex need to be distinguished.
  • the PDSCH configuration information is determined to be the PDSCH configuration information corresponding to the specified control resource set pool index CORESETPoolIndex.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index CORESETPoolIndex.
  • control resource set pool index CORESETPoolIndex as one of 0, 1, and 2.
  • the specified control resource set pool index CORESETPoolIndex is 0 or 1.
  • the specified control resource set pool index CORESETPoolIndex is 0, 1 or 2.
  • the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 2 is configured separately, which is different from the PDSCH configuration information corresponding to the control resource set pool index CORESETPoolIndex being 0 or 1.
  • control resource set pool index 2 corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • control resource set pool index is separately configured for at least two search space sets having a link relationship. If there is no independent search space set in the control resource set associated with at least two search space sets with a link relationship, then the control resource set pool index of this control resource set is also 2. Otherwise, the control resource set pool index of this control resource set is still 0 or 1. That is, the index of the control resource set pool is 2 only for the search space sets that have links between the control resource set and other search space sets.
  • an independent search space set refers to a search space set that has no link relationship with any other search space set.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • the index of the designated control resource set pool determines the index of the designated control resource set pool, and further, determine the configuration information of the PDSCH as the configuration information of the PDSCH corresponding to the index of the designated control resource set pool.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET corresponding to a search space set with a smaller number in at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET corresponding to the SS set with a smaller number is used as the designated control resource set pool index.
  • the CORESET corresponding to SS set#1 is CORESET#3
  • the CORESET corresponding to SS set#2 is CORESET#0
  • the CORESETPoolIndex 1 corresponding to CORESET#3 is used as the specified The control resource set pool index.
  • the designated control resource set pool index is a control resource set pool index corresponding to a CORESET with a smaller CORESET number among at least two CORESETs corresponding to at least two search space sets.
  • the CORESETPoolIndex corresponding to the CORESET with the smaller CORESET number is used as the designated control resource set pool index.
  • SS set#1 and SS set#2 have a link relationship
  • the CORESET corresponding to SS set#1 is CORESET#3
  • the CORESET corresponding to SS set#2 is CORESET#0
  • the CORESETPoolIndex 0 corresponding to CORESET#0 is used as the specified The control resource set pool index.
  • the PDSCH configuration information is the PDSCH configuration information corresponding to the code point.
  • the second configuration information is sent, the second configuration information is used to determine the control resource set pool index corresponding to each code point in the TCI domain, and the configuration information of the PDSCH corresponding to the code point includes the control resource set pool index corresponding to the code point Configuration information of the corresponding PDSCH.
  • the corresponding PDSCH configuration information is determined according to the code point. Further, the second configuration information is sent and received, so that the terminal device determines the CORESETPoolIndex corresponding to the code point, and the configuration information of the PDSCH corresponding to the code point is the configuration information of the PDSCH corresponding to the CORESETPoolIndex corresponding to the code point. That is, the specified control resource set pool index is determined through the code point.
  • all code points corresponding to the TCI domain may correspond to the same CORESETPoolIndex, or may correspond to different CORESETPoolIndexes.
  • all 8 code points in the TCI domain correspond to CORESETPoolIndex 0, or code points 000, 001, 010 correspond to CORESETPoolIndex 0, code points 011, 100, 101 correspond to CORESETPoolIndex 1, and code points 110, 111 correspond to CORESETPoolIndex 2.
  • Each code point may also correspond to multiple control resource set pool indexes, for example, the CORESETPoolIndex corresponding to code point 111 is 0, 1 or 1, 2, and so on.
  • the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and the information of the control resource set CORESET corresponding to each search space set, and send the first media
  • the access layer control element sends RRC signaling to enable the terminal device to determine the configuration information of the physical downlink shared channel PDSCH. It is clear that when the CORESETPoolIndex corresponding to multiple CORESETs corresponding to multiple SS sets with a link relationship are different, the PDSCH
  • the transmission configuration method improves the configuration flexibility of the CORESET when the PDCCH is repeatedly sent, and the transmission flexibility of the PDSCH.
  • the present application also provides a physical downlink shared channel PDSCH configuration device.
  • the methods provided in the embodiments are corresponding, so the implementation of the physical downlink shared channel PDSCH configuration method is also applicable to the physical downlink shared channel PDSCH configuration device provided in the following embodiments, and will not be described in detail in the following embodiments.
  • FIG. 6 is a schematic structural diagram of an apparatus for configuring a physical downlink shared channel (PDSCH) provided by an embodiment of the present application.
  • PDSCH physical downlink shared channel
  • the physical downlink shared channel PDSCH configuration device 600 includes: a receiving unit 610 and a processing unit 620 .
  • the receiving unit 610 is configured to receive the first configuration information, the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and information about the control resource set CORESET corresponding to each search space set , wherein the control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different;
  • the processing unit 620 is configured to determine configuration information of a Physical Downlink Shared Channel PDSCH in response to the first configuration information, wherein the downlink control information DCI corresponding to the PDSCH passes through the set of at least two search spaces with a link relationship At least two physical downlink control channel PDCCH candidate time-frequency resources are transmitted.
  • the receiving unit 610 is further configured to: receive a first media access control layer control element, where the first media access control layer control element is used to indicate that the transmission configuration in the DCI indicates that the TCI domain corresponds to at least At least one TCI state corresponding to a code point.
  • each code point corresponds to one or more TCI states
  • the processing unit 620 is specifically configured to: the configuration information of the PDSCH is the PDSCH corresponding to the specified control resource set pool index configuration information.
  • the designated control resource set pool index is one of 0, 1 or 2.
  • specifying that the index of the control resource set pool is 2 corresponds to the index of the control resource set pool of at least two search space sets having a link relationship.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • each code point corresponds to one or more TCI states
  • the processing unit 620 is specifically configured to: the configuration information of the PDSCH is the PDSCH corresponding to the target control resource set pool index configuration information;
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET corresponding to the search space set with a smaller number in the at least two search space sets, or,
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET with a smaller number among the at least two CORESETs corresponding to the at least two search space sets.
  • each code point corresponds to one or more TCI states
  • the processing unit 620 is specifically configured to: the configuration information of the PDSCH is the configuration of the PDSCH corresponding to the code point information.
  • the receiving unit 610 is further configured to: receive second configuration information, the second configuration information is used to determine the control resource set pool index corresponding to each code point, and the PDSCH corresponding to the code point
  • the configuration information includes configuration information of the PDSCH corresponding to the control resource set pool index corresponding to the code point.
  • the receiving unit 610 is further configured to: receive RRC signaling, where the RRC signaling is used to determine configuration information of the PDSCH.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the configuration information of the PDSCH includes at least one of the following: dataScramblingIdentityPDSCH;
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration, where:
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the at least two PDCCH candidate time-frequency resources corresponding to the at least two search space sets SS sets having a link relationship with the same index value of the PDCCH candidate time-frequency resources are used to send the same DCI.
  • the device for configuring the physical downlink shared channel PDSCH in this embodiment can receive the first configuration information, the first configuration information is used to indicate at least two search space sets SS set with a link relationship, and the control corresponding to each search space set
  • the information of the resource set CORESET determines the configuration information of the physical downlink shared channel PDSCH
  • the downlink control information DCI corresponding to the PDSCH passes through at least two physical downlink control channel PDCCH candidate time-frequency in the at least two search space sets with a link relationship Resource transmission, clarifies the PDSCH transmission configuration method when multiple CORESETPoolIndexes corresponding to multiple CORESETs corresponding to multiple SS sets with a link relationship are different, improving the configuration flexibility of CORESET when PDCCH is repeatedly sent, and the flexibility of PDSCH transmission sex.
  • FIG. 7 is a schematic structural diagram of an apparatus for configuring a physical downlink shared channel (PDSCH) provided in an embodiment of the present application.
  • PDSCH physical downlink shared channel
  • the physical downlink shared channel PDSCH configuration apparatus 700 includes: a sending unit 710 .
  • the sending unit 710 is configured to send the first configuration information
  • the terminal device To enable the terminal device to determine configuration information of the physical downlink shared channel PDSCH, wherein the first configuration information is used to indicate at least two search space sets with a link relationship, and a control resource set CORESET corresponding to each search space set SS set information, wherein the control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different, and wherein the downlink control information DCI corresponding to the PDSCH passes through the at least two search space sets that have a link relationship At least two physical downlink control channel PDCCH candidate time-frequency resources are transmitted.
  • the first configuration information is used to indicate at least two search space sets with a link relationship
  • a control resource set CORESET corresponding to each search space set SS set information wherein the control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different
  • the downlink control information DCI corresponding to the PDSCH passes through the at least two search space sets that have a link relationship
  • the sending unit 710 is further configured to: send a first media access control layer control element, where the first media access control layer control element is used to indicate that the transmission configuration in the DCI indicates that the TCI field corresponds to at least At least one TCI state corresponding to a code point.
  • each code point corresponds to one or more TCI states;
  • the configuration information of the physical downlink shared channel PDSCH is the configuration information of the PDSCH corresponding to the specified control resource set pool index.
  • the designated control resource set pool index is one of 0, 1 or 2.
  • the specified control resource set pool index is 2, which corresponds to the control resource set pool indexes of at least two search space sets having a link relationship.
  • the designated control resource set pool index is determined according to RRC signaling or a default rule.
  • each code point corresponds to one or more TCI states;
  • the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the target control resource set pool index;
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET corresponding to the search space set with a smaller number in the at least two search space sets, or,
  • the target control resource set pool index is the control resource set pool index corresponding to the CORESET with a smaller number among the at least two CORESETs corresponding to the at least two search space sets.
  • each code point corresponds to one or more TCI states; the configuration information of the PDSCH is the configuration information of the PDSCH corresponding to the code point.
  • the sending unit 710 is further configured to: send second configuration information, where the second configuration information is used to indicate the control resource set pool index corresponding to each code point, and the PDSCH corresponding to the code point
  • the configuration information includes configuration information of the PDSCH corresponding to the control resource set pool index corresponding to the code point.
  • the sending unit 710 is further configured to: send RRC signaling, where the RRC signaling is used to determine configuration information of the PDSCH.
  • the RRC signaling includes configuration information of at least one PDSCH corresponding to the control resource set pool index.
  • the configuration information of the PDSCH includes at least one of the following: dataScramblingIdentityPDSCH;
  • the HARQ-ACK feedback configuration information includes independent feedback configuration or joint feedback configuration, where:
  • the independent feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different HARQ-ACK codebooks
  • the joint feedback configuration is used to indicate that PDSCHs corresponding to different control resource set pool indexes correspond to different bit positions of a HARQ-ACK codebook.
  • the at least two PDCCH candidate time-frequency resources corresponding to the at least two search space sets SS sets having a link relationship with the same index value of the PDCCH candidate time-frequency resources are used to send the same DCI.
  • the device for configuring the physical downlink shared channel PDSCH in this embodiment can send the first configuration information, the
  • the terminal device To enable the terminal device to determine configuration information of the physical downlink shared channel PDSCH, wherein the first configuration information is used to indicate at least two search space sets with a link relationship, and a control resource set CORESET corresponding to each search space set SS set information, wherein the control resource set pool indexes of the CORESETs corresponding to the at least two search space sets are different, and wherein the downlink control information DCI corresponding to the PDSCH passes through at least two of the at least two search space sets having a link relationship
  • the physical downlink control channel PDCCH candidate time-frequency resource transmission clarifies the PDSCH transmission configuration method when the CORESETPoolIndex corresponding to multiple CORESETs corresponding to multiple SS sets with a link relationship is different, and improves the configuration of CORESET when PDCCH is repeatedly sent Flexibility, and the transmission flexibility of PDSCH.
  • the embodiment of the present application also proposes a communication device, including: a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the device executes the The method shown in Fig. 3 embodiment.
  • the embodiment of the present application also proposes a communication device, including: a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the device executes the The method shown in Fig. 5 embodiment.
  • the embodiment of the present application also proposes a communication device, including: a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to Execute the methods shown in the embodiments shown in FIG. 1 to FIG. 3 .
  • the embodiment of the present application also proposes a communication device, including: a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to Execute the methods shown in the embodiments shown in FIG. 4 to FIG. 5 .
  • FIG. 8 is a schematic structural diagram of another apparatus for configuring a physical downlink shared channel (PDSCH) provided by an embodiment of the present disclosure.
  • the physical downlink shared channel PDSCH configuration device 800 may be a network device, or a terminal device, or a chip, a chip system, or a processor that supports the network device to implement the above method, or a chip that supports the terminal device to implement the above method , chip system, or processor, etc.
  • the device can be used to implement the methods described in the above method embodiments, and for details, refer to the descriptions in the above method embodiments.
  • the physical downlink shared channel PDSCH configuration apparatus 800 may include one or more processors 801 .
  • the processor 801 may be a general-purpose processor or a special-purpose processor. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process the communication protocol and communication data
  • the central processor can be used to configure the physical downlink shared channel PDSCH (such as base station, baseband chip, terminal equipment, terminal equipment chip, DU or CU, etc.) Controlling, executing computer programs, processing data of computer programs.
  • the device 800 for configuring the physical downlink shared channel PDSCH may also include one or more memories 802, on which a computer program 803 may be stored, and the processor 801 executes the computer program 803, so that the device 800 for configuring the physical downlink shared channel PDSCH Execute the methods described in the above method embodiments.
  • the computer program 703 may be solidified in the processor 801, and in this case, the processor 801 may be implemented by hardware.
  • data may also be stored in the memory 802 .
  • the device 700 for configuring the physical downlink shared channel PDSCH and the memory 802 can be set separately or integrated together.
  • the apparatus 800 for configuring the physical downlink shared channel PDSCH may further include a transceiver 805 and an antenna 806 .
  • the transceiver 805 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
  • the transceiver 705 may include a receiver and a transmitter, and the receiver may be called a receiver or a receiving circuit for realizing a receiving function; the transmitter may be called a transmitter or a sending circuit for realizing a sending function.
  • the device 800 for configuring the physical downlink shared channel PDSCH may further include one or more interface circuits 807 .
  • the interface circuit 807 is used to receive code instructions and transmit them to the processor 801 .
  • the processor 801 runs code instructions to enable the physical downlink shared channel PDSCH configuration apparatus 800 to execute the methods described in the above method embodiments.
  • the physical downlink shared channel PDSCH configuration device 800 is a terminal device: the transceiver 805 is used to perform step 101 in FIG. 1; steps 201-202 in FIG. 2; the processor 801 is used to perform step 102 in FIG. 1; FIG. 2 Step 203 in FIG. 3 ; Step 301 in FIG. 3 .
  • the physical downlink shared channel PDSCH configuration apparatus 800 is a network device, and the transceiver 805 is used to execute step 401 in FIG. 4 and step 501-step 502 in FIG. 5 .
  • the processor 801 may include a transceiver for implementing receiving and sending functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits for realizing the functions of receiving and sending can be separated or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit may be used for signal transmission or transfer.
  • the physical downlink shared channel PDSCH configuration apparatus 800 may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this disclosure can be implemented on integrated circuits (integrated circuits, ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board, PCB), electronic equipment, etc.
  • the processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the device for configuring the physical downlink shared channel PDSCH described in the above embodiments may be a network device or a terminal device, but the scope of the device for configuring the physical downlink shared channel PDSCH described in this disclosure is not limited thereto, and the device for configuring the physical downlink shared channel PDSCH The structure may not be limited by Fig. 6-Fig. 7 .
  • the device for configuring the physical downlink shared channel PDSCH may be an independent device or may be a part of a larger device.
  • the physical downlink shared channel PDSCH configuration device may be:
  • a set of one or more ICs may also include storage components for storing data and computer programs;
  • ASIC such as modem (Modem);
  • the device for configuring the physical downlink shared channel PDSCH may be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 9 includes a processor 901 and an interface 902 .
  • the number of processors 901 may be one or more, and the number of interfaces 902 may be more than one.
  • Interface 902 used to transmit code instructions to the processor
  • the processor 901 is configured to run code instructions to execute the methods shown in FIG. 1 to FIG. 3 .
  • Interface 902 used to transmit code instructions to the processor
  • the processor 901 is configured to run code instructions to execute the methods shown in FIG. 4 to FIG. 5 .
  • the chip further includes a memory 903 for storing necessary computer programs and data.
  • An embodiment of the present disclosure also provides a communication system, which includes the physical downlink shared channel PDSCH configuration device as a terminal device and the physical downlink shared channel PDSCH configuration device as a network device in the foregoing embodiments in Figures 6-7, or, the The system includes the device for configuring the physical downlink shared channel PDSCH as the terminal device and the device for configuring the physical downlink shared channel PDSCH as the network device in the foregoing embodiment in FIG. 8 .
  • the present disclosure also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any one of the above method embodiments are realized.
  • the present disclosure also provides a computer program product, which implements the functions of any one of the above method embodiments when the computer program product is executed by a computer.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • a computer program product consists of one or more computer programs. When a computer program is loaded and executed on a computer, the processes or functions according to the embodiments of the present disclosure are generated in whole or in part.
  • a computer can be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer program can be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program can Coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (such as infrared, wireless, microwave, etc.) transmission to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server, a data center, etc. integrated with one or more available media. Available media can be magnetic (e.g., floppy disk, hard disk, tape), optical (e.g., digital video disc (DVD)), or semiconductor (e.g., solid state disk (SSD) )wait.
  • At least one in the present disclosure can also be described as one or more, and a plurality can be two, three, four or more, and the present disclosure is not limited.
  • the technical feature is distinguished by "first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in the “first”, “second”, “third”, “A”, “B”, “C” and “D” have no sequence or order of magnitude among the technical features described.
  • each table in the present disclosure may be configured or predefined.
  • the values of the information in each table are just examples, and may be configured as other values, which are not limited in the present disclosure.
  • the corresponding relationship shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, for example, splitting, merging, and so on.
  • the names of the parameters shown in the titles of the above tables may also use other names that the communication device can understand, and the values or representations of the parameters may also be other values or representations that the communication device can understand.
  • other data structures can also be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables can be used wait.
  • Predefinition in the present disclosure can be understood as definition, predefinition, storage, prestorage, prenegotiation, preconfiguration, curing, or prefiring.

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Abstract

Des modes de réalisation de la présente demande divulguent un procédé et un appareil de configuration de canal partagé de liaison descendante physique (PDSCH). En recevant des premières informations de configuration, les premières informations de configuration étant utilisées pour indiquer au moins deux ensembles d'espaces de recherche (SS) ayant une relation de liaison et des informations d'un ensemble de ressources de commande (CORESET) correspondant à chaque ensemble de SS, et en réponse aux premières informations de configuration, en déterminant des informations de configuration d'un PDSCH, des informations de commande de liaison descendante (DCI) correspondant au PDSCH étant transmises au moyen d'au moins deux ressources temps-fréquence candidates de canal de commande de liaison descendante physique (PDCCH) dans les au moins deux ensembles de SS ayant la relation de liaison, il est clarifié que lorsque des CORESETPoolIndexes correspondant à une pluralité de CORESET correspondant à une pluralité d'ensembles de SS ayant la relation de liaison sont différents, le procédé de transmission et de configuration de PDSCH peut améliorer la flexibilité de configuration des CORESET et la flexibilité de transmission du PDSCH lorsque le PDCCH est envoyé de manière répétée.
PCT/CN2021/127682 2021-10-29 2021-10-29 Procédé et appareil de configuration de canal partagé de liaison descendante physique (pdsch) Ceased WO2023070586A1 (fr)

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WO2023206247A1 (fr) * 2022-04-28 2023-11-02 北京小米移动软件有限公司 Procédé et appareil de transmission d'informations de configuration, et support de stockage lisible
EP4535904A4 (fr) * 2022-05-27 2025-07-16 Beijing Xiaomi Mobile Software Co Ltd Procédé et appareil de transmission de canal, dispositif, et support de stockage lisible

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110731112A (zh) * 2017-06-15 2020-01-24 华为技术有限公司 用于可靠通信的多发送接收点协作的方法和设备
CN111512575A (zh) * 2017-11-15 2020-08-07 夏普株式会社 用户设备、基站和方法
WO2021016997A1 (fr) * 2019-08-01 2021-02-04 Lenovo (Beijing) Limited Appareil et procédé de rétroaction harq-ack
CN112567672A (zh) * 2018-08-09 2021-03-26 联想（新加坡）私人有限公司 用于下行链路控制信道的下行链路指派
US20210195600A1 (en) * 2019-12-20 2021-06-24 Qualcomm Incorporated Decoding downlink control information in a combined physical downlink control channel candidate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112702155B (zh) * 2018-05-11 2024-04-09 华为技术有限公司 用于指示控制信道的方法与装置
US12034545B2 (en) * 2018-11-02 2024-07-09 Apple Inc. Physical uplink control channel (PUCCH) resource allocation and hybrid automatic repeat request (HARQ) acknowledgement (ACK) codebook determination enhancements in case of multiple downlink control information (DCI) in a slot
CN111601382B (zh) * 2019-02-20 2022-12-13 华为技术有限公司 一种数据传输方法及通信装置
CN111082910A (zh) * 2019-09-30 2020-04-28 中兴通讯股份有限公司 多点协作传输的参数确定方法及装置
US11711832B2 (en) * 2019-12-20 2023-07-25 Qualcomm Incorporated Linking search space sets for physical downlink control channel repetitions
EP4104377A1 (fr) * 2020-02-13 2022-12-21 IPLA Holdings Inc. Amélioration de la fiabilité pour pdcch
KR102889272B1 (ko) * 2020-03-27 2025-11-24 엘지전자 주식회사 무선 통신 시스템에서 pdcch(physical downlink control channel) 송수신 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110731112A (zh) * 2017-06-15 2020-01-24 华为技术有限公司 用于可靠通信的多发送接收点协作的方法和设备
CN111512575A (zh) * 2017-11-15 2020-08-07 夏普株式会社 用户设备、基站和方法
CN112567672A (zh) * 2018-08-09 2021-03-26 联想（新加坡）私人有限公司 用于下行链路控制信道的下行链路指派
WO2021016997A1 (fr) * 2019-08-01 2021-02-04 Lenovo (Beijing) Limited Appareil et procédé de rétroaction harq-ack
US20210195600A1 (en) * 2019-12-20 2021-06-24 Qualcomm Incorporated Decoding downlink control information in a combined physical downlink control channel candidate

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