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WO2025118252A1 - Procédé de communication, dispositif et support de stockage - Google Patents

Procédé de communication, dispositif et support de stockage Download PDF

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Publication number
WO2025118252A1
WO2025118252A1 PCT/CN2023/137272 CN2023137272W WO2025118252A1 WO 2025118252 A1 WO2025118252 A1 WO 2025118252A1 CN 2023137272 W CN2023137272 W CN 2023137272W WO 2025118252 A1 WO2025118252 A1 WO 2025118252A1
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WO
WIPO (PCT)
Prior art keywords
csi report
csi
cpu
value
reference signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
PCT/CN2023/137272
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English (en)
Chinese (zh)
Inventor
李明菊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2023/137272 priority Critical patent/WO2025118252A1/fr
Priority to CN202380085044.6A priority patent/CN120359789A/zh
Publication of WO2025118252A1 publication Critical patent/WO2025118252A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a communication method, device and storage medium.
  • CJT coherent joint transmission
  • TRP transmission receive points
  • CP cyclic prefix
  • the embodiments of the present disclosure provide a communication method, a device, and a storage medium.
  • a communication method is proposed, which is executed by a terminal device.
  • the method includes:
  • the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • a communication method is proposed, which is performed by a network device.
  • the method includes:
  • the receiving terminal device updates the fifth CSI report and/or the unupdated third CSI report when determining that the sum of the CPU value and the second CPU value of the first channel state information CSI processing unit is greater than the CPU threshold, the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, the fifth CSI report includes a CSI report other than the third CSI report, and the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • a terminal device including:
  • a processing module is configured to determine that the sum of a first channel state information CSI processing unit CPU value and a second CPU value is greater than a CPU threshold, the first CPU value is the CPU required to update a first CSI report, the second CPU value is the CPU required to update a second CSI report, and the third CSI report is not updated, and the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • a network device including:
  • the transceiver module is configured to receive a fifth CSI report updated by the terminal device and/or a third CSI report that is not updated when it is determined that the sum of the CPU value and the second CPU value of the first channel state information CSI processing unit is greater than a CPU threshold, wherein the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the fifth CSI report includes a CSI report other than the third CSI report, and the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • a communication device comprising: one or more processors; wherein the communication device is used to execute an optional implementation of the first aspect or the second aspect.
  • a communication system which may include: a terminal device and a network device; wherein the terminal device is configured to execute the method described in the optional implementation manner of the first aspect, and the network device is configured to execute the method described in the optional implementation manner of the second aspect.
  • a storage medium which stores instructions.
  • the communication device executes the method described in the optional implementation manner of the first aspect or the second aspect.
  • the technical solution provided by the embodiment of the present disclosure may include the following beneficial effects: determining that the sum of the CPU value of the first CSI processing unit and the second CPU value is greater than the CPU threshold, the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated, and the third CSI report is the CSI report with a lower priority among the first CSI report and the second CSI report.
  • the terminal device may not update the CSI report with a lower priority, so that it can ensure that the CSI report with a high priority can be updated in time, thereby improving the joint transmission performance of multiple TRPs.
  • FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • FIG2A is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.
  • FIG2B is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.
  • FIG2C is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.
  • FIG3A is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG3B is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG3C is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG3D is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG4 is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG5 is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG6A is a schematic diagram of the structure of a terminal device proposed in an embodiment of the present disclosure.
  • FIG6B is a schematic diagram of the structure of a network device proposed in an embodiment of the present disclosure.
  • FIG. 7A is a schematic diagram of the structure of a communication device proposed in an embodiment of the present disclosure.
  • FIG. 7B is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a communication method, a device, and a storage medium.
  • an embodiment of the present disclosure provides a communication method, which is executed by a terminal device, and the method includes:
  • the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • the terminal device may not update the CSI report with a low priority, so as to ensure that the CSI report with a high priority can be updated in time, thereby improving the joint transmission performance of multiple TRPs.
  • the CPU threshold is determined by:
  • the difference between the designated CPU value and the third CPU value is used as the CPU threshold, and the designated CPU value is the CPU value that the terminal device can support.
  • the required CPU when determining the CPU threshold, can be reserved for the fourth CSI report being updated, so that it can be ensured that the fourth CSI report being updated will not be interrupted, thereby improving system performance.
  • the first CPU value is any one of the following:
  • the product of a first number and a second number the first number being the number of transceiver points TRPs, and the second number being determined according to the capability of the terminal device;
  • the first CPU value can be determined in a variety of ways, making the method of determining the CPU value more flexible.
  • the method further includes:
  • the third CSI report is determined according to the first priority value and the second priority value.
  • the third CSI report may be determined according to the first priority value of the first CSI report and the second priority value of the second CSI report, thereby obtaining a third CSI report with a low priority.
  • determining the first priority value of the first CSI report and the second priority value of the second CSI report includes:
  • the first information includes at least one of the following: a reporting mode, an index of a serving cell, a maximum number of serving cells, a report configuration identifier, and a maximum number of CSI report configurations;
  • the priority value may be determined in combination with the first parameter and the first information, so that a more accurate priority value may be obtained.
  • the reporting method includes any one of the following:
  • Periodic CSI reporting carried on PUCCH Periodic CSI reporting carried on PUCCH.
  • the influence of different reporting modes on the priority value can be combined to further improve the accuracy of the priority value.
  • the first parameter of the first CSI report includes any one of the following:
  • a value of the first parameter of the first CSI report is less than or equal to 0;
  • a value of the first parameter of the first CSI report is greater than or equal to 1;
  • the value of the first parameter of the first CSI report is greater than or equal to 0 and less than or equal to 1;
  • the value of the first parameter of the second CSI report carrying the layer 1 reference signal received power L1-RSRP or the layer 1 signal to interference plus noise ratio L1-SINR is 0; the value of the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
  • the value of the first parameter of the first CSI report may include multiple situations, so that the priority of the first CSI report can be flexibly set.
  • the first CSI report includes at least one of the following:
  • first arrival time is an arrival time of a first reference signal on a CSI-RS resource
  • second arrival time is an arrival time of a second reference signal on a reference CSI-RS resource
  • the second parameter corresponding to the first reference signal and/or the second parameter corresponding to the second reference signal comprising at least one of the following: Doppler shift, Doppler spread, average delay, delay spread;
  • the first CSI report may include multiple information related to the first reference signal and the second reference signal, so that more information of multiple TRPs can be sent, further improving the joint transmission performance of multiple TRPs.
  • the first arrival time is the time when the first reference signal arrives at the terminal device
  • the second arrival time is the time when the second reference signal arrives at the terminal device
  • the time when the first reference signal arrives at the terminal device and the time when the second reference signal arrives at the terminal device can be sent, so that the network device can control the data sending of multiple TRPs according to the time of arrival at the terminal device, thereby improving the joint transmission performance of multiple TRPs.
  • the time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein the time domain position includes at least one of the following: time slot position, symbol position.
  • the time difference value for reaching the terminal device may take the time domain position into consideration or may not take the time domain position into consideration, thereby making the method for determining the time difference value more flexible.
  • the method further includes:
  • the reference CSI-RS resource is determined.
  • the terminal device can determine the reference CSI-RS resource so as to use the reference CSI-RS resource as a reference to calculate the difference between the reference signal corresponding to each TRP and the reference signal of the reference CSI-RS resource.
  • determining the reference CSI-RS resource includes:
  • the second information includes a channel measurement resource CMR, and the CMR includes at least one CSI-RS resource;
  • the reference CSI-RS resource is determined from the at least one CSI-RS resource.
  • the reference CSI-RS resource may be determined according to the second information sent by the network device.
  • determining the reference CSI-RS resource from the at least one CSI-RS resource includes any one of the following:
  • the designated CSI-RS resource is a CSI-RS resource indicated by the network device or a first CSI-RS resource among the at least one CSI-RS resource;
  • the first CSI-RS resource that reaches the terminal device among the at least one CSI-RS resource is used as the reference CSI-RS resource.
  • the reference CSI-RS resources may be flexibly determined in different ways.
  • the second CSI report includes at least one of the following:
  • the second CSI report may include multiple types, so that a more comprehensive CSI report can be obtained, thereby improving the accuracy of the determined third CSI report.
  • an embodiment of the present disclosure provides a communication method, which is performed by a network device, and the method includes:
  • the receiving terminal device updates the fifth CSI report and/or the unupdated third CSI report when determining that the sum of the CPU value and the second CPU value of the first channel state information CSI processing unit is greater than the CPU threshold, the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, the fifth CSI report includes a CSI report other than the third CSI report, and the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • the CPU threshold is determined in the following manner:
  • the difference between the designated CPU value and the third CPU value is used as the CPU threshold, and the designated CPU value is the CPU value that the terminal device can support.
  • the first CPU value is any one of the following:
  • the product of a first number and a second number the first number being the number of transceiver points TRPs, and the second number being determined according to the capability of the terminal device;
  • the third CSI report is determined based on the first priority value of the first CSI report and the second priority value of the second CSI report, the first priority value is determined based on the first parameter and first information of the first CSI report, and the second priority value is determined based on the first parameter and first information of the second CSI report;
  • the first information includes at least one of the following: reporting method, index of service cell, maximum number of service cells, report configuration identifier, maximum number of CSI report configurations.
  • the reporting method includes any one of the following:
  • Periodic CSI reporting carried on PUCCH Periodic CSI reporting carried on PUCCH.
  • the first parameter of the first CSI report includes any one of the following:
  • a value of the first parameter of the first CSI report is less than or equal to 0;
  • a value of the first parameter of the first CSI report is greater than or equal to 1;
  • the value of the first parameter of the first CSI report is greater than or equal to 0 and less than or equal to 1;
  • the value of the first parameter of the second CSI report carrying the layer 1 reference signal received power L1-RSRP or the layer 1 signal to interference plus noise ratio L1-SINR is 0; the value of the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
  • the first CSI report includes at least one of the following:
  • first arrival time is an arrival time of a first reference signal on a CSI-RS resource
  • second arrival time is an arrival time of a second reference signal on a reference CSI-RS resource
  • the second parameter corresponding to the first reference signal and/or the second parameter corresponding to the second reference signal comprising at least one of the following: Doppler shift, Doppler spread, average delay, delay spread;
  • the first arrival time is the time when the first reference signal arrives at the terminal device
  • the second arrival time is the time when the second reference signal arrives at the terminal device
  • the time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein the time domain position includes at least one of the following: time slot position, symbol position.
  • the method further includes:
  • the second information includes a channel measurement resource CMR, and the CMR includes at least one CSI-RS resource; the second information is used by the terminal device to determine the reference CSI-RS resource from the at least one CSI-RS resource.
  • the second CSI report includes at least one of the following:
  • an embodiment of the present disclosure provides a communication method, the method comprising:
  • the terminal device determines that the sum of the CPU value of the first channel state information CSI processing unit and the second CPU value is greater than the CPU threshold, the first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report.
  • the third CSI report is not updated to the network device, and the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • an embodiment of the present disclosure proposes a terminal device, which may include at least one of a transceiver module and a processing module; wherein the terminal device may be used to execute the optional implementation method of the first aspect.
  • an embodiment of the present disclosure proposes a network device, which may include at least one of a transceiver module and a processing module; wherein the network device may be used to execute the optional implementation method of the second aspect.
  • an embodiment of the present disclosure proposes a terminal device, which may include: one or more processors; wherein the terminal device can be used to execute an optional implementation method of the first aspect.
  • an embodiment of the present disclosure proposes a network device, which may include: one or more processors; wherein the network device can be used to execute the optional implementation method of the second aspect.
  • an embodiment of the present disclosure proposes a communication device, which may include: one or more processors; wherein the communication device can be used to execute an optional implementation method of the first aspect or the second aspect.
  • an embodiment of the present disclosure proposes a communication system, which may include: a terminal device and a network device; wherein the terminal device is configured to execute the method described in the optional implementation manner of the first aspect, and the network device is configured to execute the method described in the optional implementation manner of the second aspect.
  • an embodiment of the present disclosure proposes a storage medium storing instructions, which, when executed on a communication device, enables the communication device to execute the method described in the optional implementation of the first aspect or the second aspect.
  • an embodiment of the present disclosure proposes a program product, which, when executed by a communication device, enables the communication device to execute the method described in the optional implementation manner of the first aspect or the second aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the optional implementation of the first aspect or the second aspect.
  • an embodiment of the present disclosure provides a chip or a chip system.
  • the chip or chip system includes a processing circuit configured to execute the method described in the optional implementation of the first aspect or the second aspect.
  • the communication method and information processing method can be used interchangeably; the communication device and information processing device, communication equipment and other terms can be used interchangeably; the communication system and information processing system and other terms can be used interchangeably.
  • each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • elements expressed in the singular form such as “a”, “an”, “the”, “above”, “said”, “aforementioned”, “this”, etc., may mean “one and only one", or “one or more”, “at least one”, etc.
  • the noun after the article may be understood as a singular expression or a plural expression.
  • plural may refer to two or more than two.
  • the terms “at least one”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • "at least one of A and B", “A and/or B", “A in one case, B in another case”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). When there are more branches such as A, B, C, etc., the above is also similar.
  • the recording method of "A or B” may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed).
  • A A is executed independently of B
  • B B is executed independently of A
  • execution is selected from A and B (A and B are selectively executed).
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute restrictions on the position, order, priority, quantity or content of the description objects.
  • the statement of the description object refers to the description in the context of the claims or embodiments, and should not constitute unnecessary restrictions due to the use of prefixes.
  • the description object is a "field”
  • the ordinal number before the "field” in the "first field” and the "second field” does not limit the position or order between the "fields”
  • the "first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of the "first field” and the "second field”.
  • the description object is a "level”
  • the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
  • the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first information” and the “second information” may be the same information or different information, and their contents may be the same or different.
  • “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • devices and the like may be interpreted as physical or virtual, and their names are not limited to the names described in the embodiments.
  • Terms such as “device”, “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” may be used interchangeably.
  • network may be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).
  • the term “Access Network Device (AN Device)” also refers to “Radio Access Network Device (RAN Device)”, “Base Station (BS)”, “Radio Base Station (Radio Base Station)”, “Fixed Station (Fixed Station)”, “Node (Node)”, “Access Point (Access Point)”, “Transmission Point (TP)”,
  • the terms “Reception Point (RP)”, “Transmission and/or reception point (TRP)”, “Panel”, “Antenna Panel”, “Antenna Array”, “Cell”, “Macro Cell”, “Small Cell”, “Femto Cell”, “Pico Cell”, “Sector”, “Cell Group”, “Serving Cell”, “Carrier”, “Component Carrier”, and “Bandwidth Part (BWP)” are interchangeable.
  • terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “user terminal (User Terminal)”, “mobile station (Mobile Station, MS)", “mobile terminal (Mobile Terminal, MT)", subscriber station (Subscriber Station), mobile unit (Mobile Unit), subscriber unit (Subscriber Unit), wireless unit (Wireless Unit), remote unit (Remote Unit), mobile device (Mobile Device), wireless device (Wireless Device), wireless communication device (Wireless Communication Device), remote device (Remote Device), mobile subscriber station (Mobile Subscriber Station), access terminal (Access Terminal), mobile terminal (Mobile Terminal), wireless terminal (Wireless Terminal), remote terminal (Remote Terminal), handset (Handset), user agent (User Agent), mobile client (Mobile Client), client (Client) and the like can be used interchangeably.
  • the access network device, the core network device, or the network device can be replaced by a terminal.
  • the various embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by the communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.).
  • D2D device-to-device
  • V2X vehicle-to-everything
  • it can also be set as a structure in which the terminal has all or part of the functions of the access network device.
  • terms such as "uplink” and “downlink” can also be replaced by terms corresponding to communication between terminals (for example, "side”).
  • uplink channels, downlink channels, etc. can be replaced by side channels or direct channels
  • uplinks, downlinks, etc. can be replaced by side links or direct links.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.
  • acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, or any columns may also be implemented as an independent embodiment.
  • FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • the communication system 100 may include a terminal device 101 and a network device 102.
  • the terminal device 101 may include a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control (Industrial Control), a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in smart grid (Smart Grid), a wireless terminal device in transportation safety (Transportation Safety), a wireless terminal device in a smart city (Smart City), and at least one of a wireless terminal device in a smart home (Smart Home), but is not limited to these.
  • a mobile phone a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control (In
  • the network device 102 may include at least one of an access network device and a core network device.
  • the access network device may be a node or device that accesses a terminal device to a wireless network.
  • the access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • NB node B
  • the technical solution of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between access network devices or within access network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
  • the access network device 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).
  • the CU-DU structure may be used to split the protocol layer of the access network device, with some functions of the protocol layer being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layer being distributed in the DU, and the DU being centrally controlled by the CU, but not limited to this.
  • the core network device may be one device, or may be multiple devices or a group of devices.
  • the core network may include at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • a person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or part of the subject, but are not limited thereto.
  • the subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1 , or may include other subjects other than FIG1 , and the number and form of the subjects are arbitrary, and the subjects may be physical or virtual, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, and may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G the fourth generation mobile communication system
  • 5G 5G new radio
  • FAA Future Radio Access
  • RAT New Radio
  • NX New Radio Access
  • the present invention relates to wireless communication systems such as LTE, Wi-Fi (X), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network, Device to Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle to Everything (V2X), systems using other communication methods, and next-generation systems expanded based on them.
  • PLMN Public Land Mobile Network
  • D2D Device to Device
  • M2M Machine to Machine
  • IoT Internet of Things
  • V2X Vehicle to Everything
  • systems using other communication methods and next-generation systems expanded based on them.
  • next-generation systems expanded based on them.
  • a combination of multiple systems for example, a combination of
  • CSI channel state information
  • FIG2A is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.
  • the method may be executed by the above communication system. As shown in FIG2A , the method may include:
  • Step S2101 The terminal device determines that the sum of the first CPU value and the second CPU value is greater than a CPU threshold.
  • the first CPU value is the CPU required to update the first CSI report.
  • the first CSI report may include at least one of the following:
  • CSI-RS Channel State Information Reference Signal
  • the second parameter comprising at least one of the following: Doppler shift, Doppler spread, average delay, and delay spread;
  • the CSI-RS resource may be any CSI-RS resource except the reference CSI-RS resource among multiple CSI-RS resources sent by the network device.
  • the terminal device may receive multiple reference signals.
  • the terminal device may receive multiple reference signals sent by a network device.
  • the terminal device may also receive multiple reference signals sent by other entities.
  • the first CSI report may be a CSI report generated by the terminal device after performing channel measurement based on multiple reference signals.
  • the first CSI report may also include other information specified by the protocol that can reflect the differences in reference signals corresponding to different TRPs.
  • the first arrival time may be the time when the first reference signal arrives at the terminal device
  • the second arrival time may be the time when the second reference signal arrives at the terminal device
  • the impact of the time domain positions corresponding to different reference signals may be considered, or the impact of the time domain positions corresponding to the reference signals may not be considered, that is, only the arrival time differences caused by different TRP positions or different propagation paths are considered.
  • the time difference may include a time interval between a time domain position corresponding to the first reference signal and a time domain position corresponding to the second reference signal, wherein the time domain position includes at least one of the following: a time slot position and a symbol position.
  • two CSI-RSs such as CSI-RS#1 and CSI-RS#2 have corresponding resources CSI-RS#resource 1 and CSI-RS#resource 2.
  • the time domain position of CSI-RS#resource 1 is symbol#0 of slot#1
  • the time domain position of CSI-RS#resource 2 is symbol#0 of slot#2.
  • the terminal device measures the arrival time of CSI-RS#1 as t1 and the arrival time of CSI-RS#2 as t2.
  • the time t1 is a period of time after symbol#0 of slot#1
  • the time t2 is a period of time after symbol#0 of slot#2
  • the time difference is t2-t1
  • the time t2-t1 not only includes the time interval between symbol#0 of slot#2 and symbol#0 of slot#1, but also includes the difference in transmission time between the two reference signals sent from their respective TRPs to the terminal device.
  • the time difference may not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal.
  • two CSI-RSs such as CSI-RS#1 and CSI-RS#2 have corresponding resources CSI-RS#resource1 and CSI-RS#resource2 respectively.
  • the time domain position of CSI-RS#resource1 is symbol#0 of slot#1
  • the time domain position of CSI-RS#resource2 is symbol#0 of slot#2.
  • the terminal device measures the arrival time of CSI-RS#1 as t1 and the arrival time of CSI-RS#2 as t2. It can be understood that the time t1 is a period of time after symbol#0 of slot#1, and the time t2 is a period of time after symbol#0 of slot#2.
  • the time t2-t1 not only includes the time interval between symbol#0 of slot#2 and symbol#0 of slot#1, but also includes the difference in transmission time between the two RSs sent from their respective TRPs to the terminal device. If the time difference does not include the time interval between the time domain positions corresponding to different CSI-RSs, the time difference is obtained by subtracting the time interval between symbol#0 of slot#2 and symbol#0 of slot#1 from t2-t1.
  • the time difference may also be referred to as delay information (delay), that is, the delay of the first reference signal relative to the second reference signal reaching the terminal side.
  • delay information that is, the delay of the first reference signal relative to the second reference signal reaching the terminal side.
  • the difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal may include at least one of the following: the difference between the Doppler frequency shift corresponding to the first reference signal and the Doppler frequency shift corresponding to the second reference signal, the difference between the Doppler spread corresponding to the first reference signal and the Doppler spread corresponding to the second reference signal, the difference between the average delay corresponding to the first reference signal and the average delay corresponding to the second reference signal, and the difference between the delay spread corresponding to the first reference signal and the delay spread corresponding to the second reference signal.
  • the terminal device may also determine the reference CSI-RS resource.
  • the terminal device may determine the reference CSI-RS resource before generating the first CSI report.
  • the terminal device may receive second information sent by the network device, where the second information includes a channel measurement resource (Channel Measurement Resource, CMR), where the CMR includes at least one CSI-RS resource; and determine the reference CSI-RS resource from the at least one CSI-RS resource.
  • CMR Channel Measurement Resource
  • the terminal device may receive the second information.
  • the terminal device may receive the second information sent by the network device.
  • the terminal device may also receive the second information sent by other entities.
  • the name of the second information is not limited, and may be, for example, “channel measurement resource information”, “information indicating channel measurement resources”, “measurement indication information”, etc.
  • the terminal device may use a designated CSI-RS resource among the at least one CSI-RS resource as the reference CSI-RS resource, where the designated CSI-RS resource is the CSI-RS resource indicated by the network device or the first CSI-RS resource among the at least one CSI-RS resource.
  • the network device may explicitly indicate the designated CSI-RS resource, and the terminal device may use the designated CSI-RS resource indicated by the network device as the reference CSI-RS resource.
  • the network device may also implicitly indicate the designated CSI-RS resource, and "implicit indication" may be interpreted as the network device not indicating the designated CSI-RS resource, and the terminal device may use the first CSI-RS resource among at least one CSI-RS resource as the reference CSI-RS resource, and the first CSI-RS resource may be the CSI-RS resource with the smallest CSI-RS resource ID (identifier).
  • any CSI-RS resource among at least one CSI-RS may be used as the reference CSI-RS resource, and the any CSI-RS resource may be a CSI-RS resource specified by the protocol.
  • the terminal device may use the CSI-RS resource corresponding to the first CSI-RS that reaches the terminal device among the at least one CSI-RS resource as the reference CSI-RS resource.
  • the network device may send a CSI-RS on at least one CSI-RS resource to the terminal device, and the terminal device uses the CSI-RS resource corresponding to the first received CSI-RS as the reference CSI-RS resource.
  • the first channel state information also needs to include an identifier of the reference CSI-RS resource.
  • the first CPU value is any one of the following:
  • CSI-RS Channel State Information Reference Signal
  • the product of a first number and a second number the first number being the number of transceiver points TRPs, and the second number being determined according to the capability of the terminal device;
  • O CPU is the first CPU value
  • K S is the number of CSI-RS resources included in the CMR
  • X is the second number
  • NTRP is the first number
  • the value of X may be greater than 0, for example, the value of X may be 1, 1.5, 2, 2.5, 3, etc.
  • the determined O CPU is not an integer
  • the largest integer less than O CPU may be used as the O CPU (ie, rounded down). For example, if the calculated O CPU is 2.5, the value of O CPU may be 2.
  • the above method of determining the O CPU is for illustration only, and the O CPU may also be determined in other ways specified in the protocol, which is not limited in the embodiments of the present disclosure.
  • the third number may be the number of TRPs used for CJT transmission minus one.
  • the embodiments of the present disclosure may also determine the final O CPU using the O CPU calculated by the above-mentioned multiple formulas.
  • the average value calculated by the multiple formulas may be used as the O CPU
  • the maximum value calculated by the multiple formulas may be used as the O CPU
  • the minimum value calculated by the multiple formulas may be used as the O CPU .
  • the embodiments of the present disclosure do not limit the specific determination method.
  • the second CPU value is the CPU required to update the second CSI report.
  • the second CSI report may be a CSI report in addition to the first CSI report.
  • the second CSI report may include at least one of the following:
  • CSI-RS Resource Indicator CRI
  • Rank Indicator RI
  • Precoding Matrix Indicator Precoding Matrix Indicator, PMI
  • Channel Quality Indicator Channel Quality Indicator
  • RSRP CRI-Reference Signal Receiving Power
  • SSB-Index-SINR-Index or time domain channel properties (Time Domain Channel Properties, TDCP).
  • i1 is the spatial basis vector selection indication information, which is related to the number of CSI-RS ports N1, N2, and O1 and O2.
  • RSRP can be Layer 1 Reference Signal Receiving Power L1-RSRP (Layer 1-Reference Signal Receiving Power, L1-RSRP)
  • SINR can be Layer 1 Signal to Interference plus Noise Ratio L1-SINR (Layer 1-Signal to Interference plus Noise Ratio, L1-SINR).
  • N1 is the number of antenna ports in the first dimension
  • O1 is the number of oversampling or beams in the first dimension
  • N2 is the number of antenna ports in the second dimension
  • O2 is the number of oversampling or beams in the second dimension.
  • the second CSI report includes L1-RSRP or L1-SINR, it means that the second CSI report carries L1-RSRP or L1-SINR, that is, the content of the second CSI report is any one of the following:
  • the second CSI report does not include L1-RSRP or L1-SINR, it means that the second CSI report does not carry L1-RSRP or L1-SINR, that is, the content of the second CSI report is any one of the following:
  • the second CPU value can be determined according to the method specified in the existing protocol, which will not be described in detail here.
  • the CPU threshold is determined by:
  • the difference between the designated CPU value and the third CPU value is used as the CPU threshold, and the designated CPU value is the CPU value that the terminal device can support.
  • the designated symbol for the next start of updating the first CSI report can be determined, and it is also determined that the second CSI report and the CPU threshold value need to be updated at the designated symbol. If there is a CSI report that has started to be updated before the designated symbol and still needs to be updated after the designated symbol (that is, there is a fourth CSI report at the designated symbol), the third CPU value required to update the fourth CSI report can be determined, and the difference between the designated CPU value (that is, the CPU value that the terminal device can support) and the third CPU value can be calculated, and the difference is used as the CPU threshold; if there is no CSI report that needs to be updated at the designated symbol (that is, there is no fourth CSI report at the designated symbol), the designated CPU value is used as the CPU threshold.
  • the CPU threshold may also be a CPU value specified by a protocol.
  • the CPU threshold may be specified according to a CPU value that can be supported by a terminal device. This is not limited in the embodiments of the present disclosure.
  • steps S2102 to S2104 may be executed.
  • Step S2102 The terminal device determines a first priority value based on the first parameter and first information of the first CSI report.
  • the first information includes at least one of the following: reporting method, index of service cell, maximum number of service cells, report configuration identifier, maximum number of CSI report configurations; and the second priority value is determined based on the first parameter and first information of the second CSI report.
  • the index of the serving cell in the first information of the first CSI report may be the index of the serving cell corresponding to the first CSI report.
  • y is the reporting method of the first CSI report
  • k is the first parameter of the first CSI report
  • c is the index of the service cell corresponding to the first CSI report
  • N cells is the maximum number of service cells corresponding to the first CSI report
  • s is the report configuration identifier of the first CSI report
  • Ms is the maximum number of CSI report configurations
  • "the maximum number of CSI report configurations" can be interpreted as the maximum number of CSI reports that can be configured by the terminal device.
  • the reporting method may include any of the following:
  • PUCCH Physical uplink control channel
  • Periodic CSI reporting carried on PUCCH Periodic CSI reporting carried on PUCCH.
  • the second CSI report carries layer 1 reference signal received power L1-RSRP (Layer 1-Reference Signal Receiving Power, L1-RSRP) or layer 1 signal to interference plus noise ratio L1-SINR (Layer 1-Signal to Interference plus Noise Ratio, L1-SINR); the second CSI report may also not carry L1-RSRP or L1-SINR.
  • L1-RSRP Layer 1-Reference Signal Receiving Power
  • L1-SINR Layer 1 signal to interference plus noise ratio
  • L1-SINR Layer 1-Signal to Interference plus Noise Ratio
  • N cells may be the value of a higher layer parameter maxNrofServingCells
  • s may be reportConfigID
  • Ms may be the value of a higher layer parameter maxNrofCSI-ReportConfigurations.
  • the first parameter of the first CSI report includes any one of the following:
  • the value of the first parameter of the first CSI report is less than or equal to 0;
  • a value of the first parameter of the first CSI report is greater than or equal to 1;
  • a value of the first parameter of the first CSI report is greater than or equal to 0 and less than or equal to 1;
  • the value of the first parameter of the second CSI report carrying L1-RSRP or L1-SINR is 0; the value of the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
  • the priority value of the first CSI report is less than the priority value of the second CSI report; if the first parameter of the second CSI report carries L1-RSRP or L1-SINR, that is, the value of the first parameter of the second CSI report is 0, and the value of the first parameter of the first CSI report is greater than or equal to 1, then the priority value of the first CSI report is greater than the priority value of the second CSI report.
  • Step S2103 The terminal device determines a second priority value based on the first parameter and the first information of the second CSI report.
  • the definition of the first information of the second CSI report may refer to the definition of the first information of the first CSI report
  • the index of the serving cell in the first information of the second CSI report may be the index of the serving cell corresponding to the second CSI report.
  • the second priority value can be calculated by formula (1), wherein y is the reporting method of the second CSI report, k is the first parameter of the second CSI report, c is the index of the service cell corresponding to the second CSI report, N cells is the maximum number of service cells corresponding to the second CSI report, s is the report configuration identifier of the second CSI report, and Ms is the maximum number of CSI report configurations.
  • Step S2104 The terminal device determines a third CSI report based on the first priority value and the second priority value.
  • the third CSI report may be a CSI report with a higher priority value between the first CSI report and the second CSI report.
  • a higher priority value indicates a lower priority
  • the third CSI report may be a CSI report with a lower priority among the first CSI report and the second CSI report.
  • the first CSI report may be used as the third CSI report; if the first priority value is less than the second priority value, the second CSI report may be used as the third CSI report.
  • Step S2105 The terminal device updates the fifth CSI report.
  • the network device may receive an updated fifth CSI report and/or an unupdated third CSI report.
  • the network device may receive an updated fifth CSI report and/or an unupdated third CSI report from a terminal device.
  • the network device may also receive an updated fifth CSI report and/or an unupdated third CSI report from another entity.
  • the fifth CSI report may include a CSI report in addition to the third CSI report.
  • the third CSI report is the first CSI report
  • the fifth CSI report is the second CSI report.
  • the terminal device updates the fifth CSI report, which can be understood as the terminal device not updating the third CSI report.
  • the terminal device sends the CSI report, it can send at least one of the updated fifth CSI report and the unupdated third CSI report. If there is no conflict in the sending time between the updated fifth CSI report and the unupdated third CSI report, both can be sent, that is, they are sent at their respective corresponding sending times; if a conflict occurs, the unupdated third CSI report is not sent, or the updated fifth CSI report and the unupdated third CSI report are sent in a multiplexed manner at overlapping times.
  • the terminal device may not update the CSI reports with low priority. In this way, it can ensure that the CSI reports with high priority can be updated in time, thereby improving the joint transmission performance of multiple TRPs.
  • step S2102 can be executed first, or the step of determining the second priority value in step S2103 can be executed first.
  • step S2101 may be implemented as an independent embodiment
  • step S2105 may be implemented as an independent embodiment
  • steps S2102+S2103 may be implemented as an independent embodiment
  • steps S2104+S2105 may be implemented as an independent embodiment, but are not limited thereto.
  • steps S2101 to S2105 are all optional steps.
  • step S2101 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • step S2105 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “code element”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, and “chip” can be used interchangeably.
  • obtain can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from high levels, obtaining by self-processing, autonomous implementation, etc.
  • terms such as “certain”, “preset”, “preset”, “set”, “indicated”, “some”, “any”, and “first” can be interchangeable, and "specific A”, “preset A”, “preset A”, “set A”, “indicated A”, “some A”, “any A”, and “first A” can be interpreted as A pre-defined in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., and can also be interpreted as specific A, some A, any A, or first A, etc., but is not limited to this.
  • FIG2B is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.
  • the method may be executed by the above communication system. As shown in FIG2B , the method may include:
  • Step S2201 The terminal device determines that the sum of the first CPU value and the second CPU value is greater than a CPU threshold.
  • step S2201 can refer to the optional implementation of step S2101 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S2202 The terminal device determines a first priority value for the first CSI report and a second priority value for the second CSI report.
  • step S2202 can refer to the optional implementation of step S2102 and step S2103 in FIG. 2A , and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S2203 The terminal device determines the third CSI report based on the first priority value and the second priority value.
  • step S2203 can refer to the optional implementation of step S2104 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S2204 The terminal device updates the fifth CSI report.
  • step S2204 can refer to the optional implementation of step S2105 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • step S2201 may be implemented as an independent embodiment
  • step S2204 may be implemented as an independent embodiment
  • steps S2202+S2203 may be implemented as independent embodiments, but are not limited thereto.
  • steps S2201 to S2204 are all optional steps.
  • step S2203 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • step S2204 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • FIG2C is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.
  • the method may be executed by the above communication system. As shown in FIG2C , the method may include:
  • Step S2301 The terminal device determines that the sum of the first CPU value and the second CPU value is greater than a CPU threshold.
  • step S2301 can refer to the optional implementation of step S2101 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S2302 The terminal device determines the third CSI report.
  • step S2302 can refer to the optional implementation of step S2104 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S2303 The terminal device updates the fifth CSI report.
  • step S2303 can refer to the optional implementation of step S2105 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • step S2301 may be implemented as an independent embodiment
  • step S2303 may be implemented as an independent embodiment
  • steps S2302+S2303 may be implemented as independent embodiments, but are not limited thereto.
  • steps S2301 to S2303 are all optional steps.
  • step S2301 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • step S2303 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • FIG3A is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3A , the embodiment of the present disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
  • Step S3101 Determine whether the sum of the first CPU value and the second CPU value is greater than a CPU threshold.
  • step S3101 can refer to the optional implementation of step S2101 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S3102 Determine a first priority value according to the first parameter and first information of the first CSI report.
  • step S3102 can refer to the optional implementation of step S2102 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S3103 Determine a second priority value according to the first parameter and the first information of the second CSI report.
  • step S3103 can refer to the optional implementation of step S2103 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S3104 Determine a third CSI report according to the first priority value and the second priority value.
  • step S3104 can refer to the optional implementation of step S2104 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • Step S3105 Do not update the third CSI report.
  • step S3105 can refer to the optional implementation of step S2105 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • not updating the third CSI report may be understood as "sending at least one of the updated fifth CSI report and/or the non-updated third CSI report to the network device.”
  • the terminal device may send at least one of the updated fifth CSI report and/or the non-updated third CSI report to the network device, but not limited to this, the terminal device may also send at least one of the updated fifth CSI report and/or the non-updated third CSI report to other entities.
  • step S3101 may be implemented as an independent embodiment
  • step S3105 may be implemented as an independent embodiment
  • steps S3104+S3105 may be implemented as independent embodiments, but are not limited thereto.
  • steps S3101 to S3105 are all optional steps.
  • steps S3101 and S3105 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG3B is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3B , the embodiment of the present disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
  • Step S3201 Determine whether the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
  • step S3201 can refer to step S2101 in FIG. 2A , the optional implementation of step S3101 in FIG. 3A , and other related parts in the embodiments involved in FIG. 2A and FIG. 3A , which will not be described in detail here.
  • Step S3202 determine a first priority value for the first CSI report and a second priority value for the second CSI report.
  • step S3202 can refer to step S2102 and step S2103 in Figure 2A, the optional implementation of step S3102 and step S3103 in Figure 3A, and other related parts in the embodiments involved in Figures 2A and 3A, which will not be repeated here.
  • Step S3203 Determine a third CSI report according to the first priority value and the second priority value.
  • step S3203 can refer to the optional implementation of step S2104 in Figure 2A, step S3104 in Figure 3A, and other related parts in the embodiments involved in Figures 2A and 3A, which will not be repeated here.
  • Step S3204 Do not update the third CSI report.
  • step S3204 can refer to the optional implementation of step S2105 in Figure 2A, step S3105 in Figure 3A, and other related parts in the embodiments involved in Figures 2A and 3A, which will not be repeated here.
  • step S3201 may be implemented as an independent embodiment
  • step S3204 may be implemented as an independent embodiment
  • steps S3203+S3204 may be implemented as independent embodiments, but are not limited thereto.
  • steps S3201 to S3204 are all optional steps.
  • step S3201 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • step S3204 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • FIG3C is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3C , the embodiment of the present disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
  • Step S3301 Determine whether the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
  • step S3301 can refer to step S2101 in FIG. 2A , the optional implementation of step S3101 in FIG. 3A , and other related parts in the embodiments involved in FIG. 2A and FIG. 3A , which will not be described in detail here.
  • Step S3302 Determine the third CSI report.
  • step S3302 can refer to the optional implementation of step S2104 in Figure 2A, step S3104 in Figure 3A, and other related parts in the embodiments involved in Figures 2A and 3A, which will not be repeated here.
  • Step S3303 Do not update the third CSI report.
  • step S3303 can refer to step S2105 of FIG. 2A , the optional implementation of step S3105 of FIG. 3A , and Other related parts in the embodiments involved in FIG. 2A and FIG. 3A will not be described in detail here.
  • step S3301 may be implemented as an independent embodiment
  • step S3303 may be implemented as an independent embodiment
  • steps S3302+S3303 may be implemented as independent embodiments, but are not limited thereto.
  • steps S3301 to S3303 are all optional steps.
  • step S3301 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • step S3303 is optional, and one or more of these steps can be omitted or replaced in different embodiments.
  • FIG3D is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3D , the embodiment of the present disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
  • Step S3401 Determine whether the sum of the first CPU value and the second CPU value is greater than a CPU threshold.
  • step S3401 can refer to the optional implementation of step S2101 in Figure 2A, step S3101 in Figure 3A, and other related parts in the embodiments involved in Figures 2A and 3A, which will not be repeated here.
  • Step S3402 Do not update the third CSI report.
  • step S3402 can refer to step S2105 of FIG. 2A , the optional implementation of step S3105 of FIG. 3A , and other related parts in the embodiments involved in FIG. 2A and FIG. 3A , which will not be described in detail here.
  • the CPU threshold is determined by:
  • the difference between the designated CPU value and the third CPU value is used as the CPU threshold, and the designated CPU value is the CPU value that the terminal device can support.
  • the first CPU value is any one of the following:
  • the product of a first number and a second number the first number being the number of transceiver points TRPs, and the second number being determined according to the capability of the terminal device;
  • the method further comprises:
  • the third CSI report is determined according to the first priority value and the second priority value.
  • the determining a first priority value for the first CSI report and a second priority value for the second CSI report comprises:
  • the first information includes at least one of the following: a reporting mode, an index of a serving cell, a maximum number of serving cells, a report configuration identifier, and a maximum number of CSI report configurations;
  • the reporting method includes any one of the following:
  • Periodic CSI reporting carried on PUCCH Periodic CSI reporting carried on PUCCH.
  • the first parameter of the first CSI report includes any one of the following:
  • a value of the first parameter of the first CSI report is less than or equal to 0;
  • a value of the first parameter of the first CSI report is greater than or equal to 1;
  • the value of the first parameter of the first CSI report is greater than or equal to 0 and less than or equal to 1;
  • the value of the first parameter of the second CSI report carrying L1-RSRP or L1-SINR is 0; the value of the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
  • the first CSI report includes at least one of the following:
  • first arrival time is an arrival time of a first reference signal on a CSI-RS resource
  • second arrival time is an arrival time of a second reference signal on a reference CSI-RS resource
  • the second parameter corresponding to the first reference signal and/or the second parameter corresponding to the second reference signal comprising at least one of the following: Doppler shift, Doppler spread, average delay, delay spread;
  • the first arrival time is the time when the first reference signal arrives at the terminal device
  • the second arrival time is the time when the second reference signal arrives at the terminal device
  • the time difference value includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference value does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein the time domain position includes at least one of the following: time slot position, symbol position.
  • the method further comprises:
  • the reference CSI-RS resource is determined.
  • the determining the reference CSI-RS resource comprises:
  • the second information includes a channel measurement resource CMR, and the CMR includes at least one CSI-RS resource;
  • the reference CSI-RS resource is determined from the at least one CSI-RS resource.
  • determining the reference CSI-RS resource from the at least one CSI-RS resource comprises any one of the following:
  • the designated CSI-RS resource is a CSI-RS resource indicated by the network device or a first CSI-RS resource among the at least one CSI-RS resource;
  • the first CSI-RS resource that reaches the terminal device among the at least one CSI-RS resource is used as the reference CSI-RS resource.
  • the second CSI report includes at least one of the following:
  • FIG4 is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4, the embodiment of the present disclosure relates to a communication method, which can be executed by a network device.
  • the method may include:
  • Step S4101 Obtain an updated fifth CSI report and/or a non-updated third CSI report.
  • step S4101 can refer to the optional implementation of step S2105 in FIG. 2A and other related parts in the embodiment involved in FIG. 2A , which will not be described in detail here.
  • the network device may receive an updated fifth CSI report and/or an unupdated third CSI report sent by a terminal device, but not limited to this, the network device may also receive an updated fifth CSI report and/or an unupdated third CSI report sent by other entities.
  • the CPU threshold is determined by:
  • the difference between the designated CPU value and the third CPU value is used as the CPU threshold, and the designated CPU value is the CPU value that the terminal device can support.
  • the first CPU value is any one of the following:
  • the product of a first number and a second number the first number being the number of transceiver points TRPs, and the second number being determined according to the capability of the terminal device;
  • the third CSI report is determined based on a first priority value of the first CSI report and a second priority value of the second CSI report, the first priority value is determined based on a first parameter and first information of the first CSI report, and the second priority value is determined based on a first parameter and first information of the second CSI report; the first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, maximum number of CSI report configurations.
  • the reporting method includes any one of the following:
  • Periodic CSI reporting carried on PUCCH Periodic CSI reporting carried on PUCCH.
  • the first parameter of the first CSI report includes any one of the following:
  • a value of the first parameter of the first CSI report is less than or equal to 0;
  • a value of the first parameter of the first CSI report is greater than or equal to 1;
  • the value of the first parameter of the first CSI report is greater than or equal to 0 and less than or equal to 1;
  • the value of the first parameter of the second CSI report carrying L1-RSRP or L1-SINR is 0; the value of the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
  • the first CSI report includes at least one of the following:
  • first arrival time is an arrival time of a first reference signal on a CSI-RS resource
  • second arrival time is an arrival time of a second reference signal on a reference CSI-RS resource
  • the second parameter corresponding to the first reference signal and/or the second parameter corresponding to the second reference signal comprising at least one of the following: Doppler shift, Doppler spread, average delay, delay spread;
  • the first arrival time is the time when the first reference signal arrives at the terminal device
  • the second arrival time is the time when the second reference signal arrives at the terminal device
  • the time difference value includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference value does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein the time domain position includes at least one of the following: time slot position, symbol position.
  • the method further comprises:
  • the second information includes a channel measurement resource CMR, and the CMR includes at least one CSI-RS resource; the second information is used by the terminal device to determine the reference CSI-RS resource from the at least one CSI-RS resource.
  • the second CSI report includes at least one of the following:
  • FIG5 is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG5, the embodiment of the present disclosure relates to a communication method, which can be executed by a communication system.
  • the method may include:
  • Step S5101 The terminal device determines that the sum of the first CPU value and the second CPU value is greater than the CPU threshold, and does not update the third CSI report to the network device.
  • step S5101 can refer to the optional implementation of step S2105 in Figure 2A, step S3105 in Figure 3A, step S4101 in Figure 4, and other related parts in the embodiments involved in Figures 2A, 3A, and 4, which will not be repeated here.
  • the above method may include the method described in the above embodiments of the communication system, terminal equipment, network equipment, etc., which will not be repeated here.
  • the terminal device determines the CPU of the first CSI report.
  • the terminal device determines the CPU of the first CSI report.
  • the terminal device has started updating the third CSI report before the symbol and the third CSI report needs to continue to be updated at the symbol, when the CPU occupied by the first CSI report, the second CSI report and the third CSI report is greater than the maximum CPU that the terminal device can support, the terminal device does not update the first CSI report or the second CSI report with a low priority.
  • the CPU of the third CSI report must be reserved, for example, the CPU required by the third CSI report is L.
  • Embodiment 2 based on embodiment 1, the CPU value of the first report is any one of the following:
  • O CPU x ⁇ N TRP , where x is reported by the UE capability (if CPU is not an integer, it is rounded down).
  • N TRP is the number of TRPs used for CJT transmission, which can be the same as the number of CSI-RS resources included in the CMR;
  • Embodiment 3 based on embodiment 1, the priority value can be determined based on formula (6):
  • c is the index of the serving cell
  • N cells is the value of the higher-layer parameter maxNrofServingCells
  • s is the report configuration identifier (reportConfigID)
  • Ms is the value of the higher-layer parameter maxNrofCSI-ReportConfigurations.
  • k is related to different CSI report types.
  • a higher priority value indicates a lower priority.
  • the value of k in the first CSI report may include any one of the following:
  • the priority of the first CSI report is priority 1: higher than other CSI reports, that is, the value of k of the first CSI report can be less than 0.
  • other CSI reports may include at least one of the following:
  • Synchronization signal block ssb-index Index-RSRP
  • the priority of the first CSI report is priority 2: lower than other CSI reports, that is, the value of k of the first CSI report can be greater than 1.
  • the priority of the first CSI report is priority 3: the same as the priority of other CSI reports except L1-RSRP or L1-SINR, that is, the value of k of the first CSI report can be less than 1.
  • the first CSI report may include at least one of the following:
  • the arrival time difference is defined as the time difference between two different RSs arriving at the UE side.
  • the arrival time can take into account the slot (time slot) and symbol (symbol) positions corresponding to the two RSs, that is, the arrival time should be added with the impact of the difference in slot and symbol positions corresponding to the CSI-RS resources; or,
  • the arrival time does not need to consider the slot and symbol positions corresponding to the two RSs, that is, it is assumed that the slot and symbol positions corresponding to the two RSs are the same, and only includes the arrival time difference caused by the different positions or propagation paths of the two TRPs.
  • Embodiment 7 based on embodiment 5, the terminal device determines the reference CSI-RS resource.
  • a terminal device receives a reference signal resource configuration, the reference signal resource includes a CMR, a CMR includes multiple CSI-RS resources, and the terminal device determines a reference CSI-RS resource.
  • the determination method may include:
  • Display indication indicates which of the multiple CSI-RS resources included in the CMR is the reference CSI-RS resource
  • Implicit indication The first CSI-RS resource is used as the reference CSI-RS resource.
  • the terminal device measures itself and determines the CSI-RS resource corresponding to the earliest arriving CSI-RS as the reference CSI-RS resource.
  • a communication system which may include a terminal device and a network device, wherein the terminal device can execute the communication method executed by the terminal device in the aforementioned embodiment of the present disclosure; and the network device can execute the communication method executed by the network device in the aforementioned embodiment of the present disclosure.
  • the embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
  • a device is also proposed, including a unit or module for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device such as an access network device, a core network function node, a core network device, etc.
  • the division of the units or modules in the above device is only a division of logical functions, which can be fully or partially integrated into one physical entity or physically separated in actual implementation.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and instructions are stored in the memory.
  • the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device may be implemented in the form of hardware circuits, and the functions of some or all of the units or modules may be implemented by designing the hardware circuits.
  • the hardware circuits may be understood as one or more processors.
  • the hardware circuits are application-specific integrated circuits (ASICs), and the functions of some or all of the above units or modules may be implemented by designing the logical relationship of the components in the circuits.
  • the hardware circuits may be implemented by programmable logic devices (PLDs).
  • field programmable gate arrays may include a large number of logic gate circuits, and the connection relationship between the logic gate circuits may be configured by configuring the configuration files, thereby implementing the functions of some or all of the above units or modules. All units or modules of the above devices may be implemented in the form of software called by the processor, or in the form of hardware circuits, or in the form of software called by the processor, and the remaining part may be implemented in the form of hardware circuits.
  • the processor is a circuit with signal processing capability.
  • the processor may be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by a processor such as an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASIC Neural Network Processing Unit
  • NPU Neural Network Processing Unit
  • TPU Tensor Processing Unit
  • DPU Deep Learning Processing Unit
  • FIG6A is a schematic diagram of the structure of a terminal device proposed in an embodiment of the present disclosure.
  • the terminal device 101 may include at least one of a transceiver module 6101, a processing module 6102, etc.
  • the transceiver module 6101 is configured to determine that the sum of the CPU value of the first channel state information CSI processing unit and the second CPU value is greater than the CPU threshold, the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated.
  • the third CSI report is a CSI report with a lower priority between the first CSI report and the second CSI report.
  • the transceiver module 6101 can be used to perform at least one of the communication steps such as sending and/or receiving (such as step S2105, but not limited to this) performed by the terminal device 101 in any of the above methods, which will not be repeated here.
  • the transceiver module may include a sending module and/or a receiving module.
  • the sending module and the receiving module may be separate. They can be integrated together.
  • the transceiver module can be replaced with the transceiver.
  • FIG6B is a schematic diagram of the structure of a network device proposed in an embodiment of the present disclosure.
  • the network device 102 may include: at least one of a transceiver module 6201, a processing module 6202, etc.
  • the transceiver module 6201 is configured to receive the fifth CSI report updated by the terminal device when it is determined that the sum of the CPU value of the first channel state information CSI processing unit and the second CPU value is greater than the CPU threshold and/or the third CSI report that is not updated, the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, the fifth CSI report includes a CSI report other than the third CSI report, and the third CSI report is the CSI report with a low priority in the first CSI report and the second CSI report.
  • the transceiver module 6201 can be used to perform at least one of the communication steps (such as step S4101, but not limited to this) such as sending and/or receiving performed by the network device 102 in any of the above methods, which will not be repeated here.
  • the transceiver module may include a sending module and/or a receiving module, and the sending module and the receiving module may be separate or integrated.
  • the transceiver module may be interchangeable with the transceiver.
  • FIG7A is a schematic diagram of the structure of a communication device 7100 proposed in an embodiment of the present disclosure.
  • the communication device 7100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports the first device to implement any of the above methods, or a chip, a chip system, or a processor that supports the terminal to implement any of the above methods.
  • the communication device 7100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 7100 includes one or more processors 7101.
  • the processor 7101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, an IoT device, an IoT device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
  • the communication device 7100 is used to execute any of the above methods.
  • the communication device 7100 further includes one or more memories 7102 for storing instructions.
  • the memory 7102 may also be outside the communication device 7100.
  • the communication device 7100 further includes one or more transceivers 7103.
  • the transceiver 7103 performs at least one of the communication steps such as sending and/or receiving in the above method (for example, step S2105, step S4101, but not limited thereto), and the processor 7101 performs at least one of the other steps (for example, step S2101, but not limited thereto).
  • the transceiver may include a receiver and/or a transmitter, and the receiver and the transmitter may be separate or integrated.
  • the terms such as transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be replaced with each other, the terms such as transmitter, transmission unit, transmitter, transmission circuit, etc. may be replaced with each other, and the terms such as receiver, receiving unit, receiver, receiving circuit, etc. may be replaced with each other.
  • the communication device 7100 may include one or more interface circuits.
  • the interface circuit is connected to the memory 7102, and the interface circuit can be used to receive signals from the memory 7102 or other devices, and can be used to send signals to the memory 7102 or other devices.
  • the interface circuit can read the instructions stored in the memory 7102 and send the instructions to the processor 7101.
  • the communication device 7100 described in the above embodiments may be a first device or an IoT device, but the scope of the communication device 7100 described in the present disclosure is not limited thereto, and the structure of the communication device 7100 may not be limited by FIG. 7A.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, an IoT device, an intelligent IoT device, a cellular phone, a wireless device, a handheld device, a mobile unit, a vehicle-mounted device, a first device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • FIG. 7B is a schematic diagram of the structure of a chip 7200 provided in an embodiment of the present disclosure.
  • the communication device 7100 may be a chip or a chip system
  • the chip 7200 includes one or more processors 7201, and the chip 7200 is used to execute any of the above methods.
  • the chip 7200 further includes one or more interface circuits 7203.
  • the interface circuit 7203 is connected to the memory 7202, and the interface circuit 7203 can be used to receive signals from the memory 7202 or other devices, and the interface circuit 7203 can be used to send signals to the memory 7202 or other devices.
  • the interface circuit 7203 can read instructions stored in the memory 7202 and send the instructions to the processor 7201.
  • the interface circuit 7203 executes at least one of the communication steps such as sending and/or receiving in the above method (for example, step S2101, step S4101, but not limited to this), and the processor 7201 executes at least one of the other steps (for example, step S2102, but not limited to this).
  • interface circuit interface circuit
  • transceiver pin transceiver
  • the embodiment of the present disclosure also provides a storage medium, on which instructions are stored.
  • the storage medium is an electronic storage medium.
  • the storage medium It is a computer-readable storage medium, but not limited thereto, and it may also be a storage medium readable by other devices.
  • the above storage medium may be a non-transitory storage medium, but not limited thereto, and it may also be a transient storage medium.
  • the embodiment of the present disclosure also provides a program product, and when the program product is executed by the communication device 7100, the communication device 7100 executes any of the above methods.
  • the program product may be a computer program product.
  • the embodiment of the present disclosure also provides a computer program, which, when executed on a computer, enables the computer to execute any of the above methods.

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Abstract

La présente divulgation concerne un procédé de communication, un dispositif et un support de stockage. Le procédé consiste à : déterminer que la somme d'une première valeur d'unité de traitement (CPU) d'informations d'état de canal (CSI) et d'une seconde valeur de CPU est supérieure à un seuil de CPU, la première valeur de CPU étant la capacité de la CPU à s'occuper de mettre à jour un premier rapport de CSI, et la seconde valeur de CPU étant la capacité de la CPU de prendre en charge la mise à jour d'un deuxième rapport de CSI ; et ne pas mettre à jour un troisième rapport de CSI, le troisième rapport de CSI étant le rapport de CSI ayant la priorité inférieure par rapport au premier rapport de CSI et au deuxième rapport de CSI. C'est-à-dire que lorsque la capacité de la CPU est limitée, un dispositif terminal peut ne pas mettre à jour un rapport de CSI ayant une faible priorité, garantissant ainsi qu'un rapport de CSI ayant une priorité élevée peut être rapidement mis à jour, et améliorant en conséquence la performance de transmission conjointe de multiples TRP.
PCT/CN2023/137272 2023-12-07 2023-12-07 Procédé de communication, dispositif et support de stockage Pending WO2025118252A1 (fr)

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Citations (4)

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CN115941122A (zh) * 2021-10-05 2023-04-07 上海朗帛通信技术有限公司 用于无线通信的方法和装置
CN116938387A (zh) * 2022-03-31 2023-10-24 北京紫光展锐通信技术有限公司 信道状态信息报告传输方法与装置、终端设备和网络设备

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CN114826492A (zh) * 2021-01-18 2022-07-29 维沃移动通信有限公司 信道状态信息处理单元使用方法、装置、终端及存储介质
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