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US-12621085-B2 - Wireless communication method and terminal device

US12621085B2US 12621085 B2US12621085 B2US 12621085B2US-12621085-B2

Abstract

Disclosed are a wireless communication method and a terminal device. In the case of simultaneous presence of HARQ feedback for unicast and HARQ feedback for MBS, the HARQ feedback for the unicast and the HARQ feedback for the MBS may be transmitted on the basis of PUCCH resources having different priorities. The wireless communication method comprises: a terminal device determines, according to a first corresponding relationship, a PUCCH configuration for transmitting at least one hybrid automatic repeat request (HARQ) codebook, wherein the first corresponding relationship comprises a corresponding relationship between the PUCCH configuration and the HARQ codebook and determined on the basis of priority information, and the HARQ codebook in the at least one HARQ codebook comprises HARQ feedback information for the unicast and/or HARQ feedback information for the MBS.

Inventors

  • Shichang Zhang
  • Zhenshan Zhao
  • Jing Xu

Assignees

  • GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Dates

Publication Date
20260505
Application Date
20230807

Claims (18)

  1. 1 . A method of wireless communication, comprising: determining, by a terminal device, a physical uplink control channel (PUCCH) configuration for transmitting at least one hybrid automatic repeat request (HARQ) codebook according to a first corresponding relationship; wherein the first corresponding relationship comprises a corresponding relationship between the PUCCH configuration and the HARQ codebook determined based on priority information, and the HARQ codebook in the at least one HARQ codebook comprises HARQ feedback information for unicast and/or HARQ feedback information for multicast broadcast service (MBS); wherein the at least one HARQ codebook comprises: a first HARQ codebook, a second HARQ codebook and a third HARQ codebook; wherein the first HARQ codebook comprises HARQ feedback information of unicast, the second HARQ codebook comprises HARQ feedback information of unicast, and the third HARQ codebook comprises HARQ feedback information of MBS; wherein determining, by the terminal device, the PUCCH configuration for transmitting at least one HARQ codebook according to the first corresponding relationship, comprises: determining, by the terminal device, that a first PUCCH configuration for unicast is used for transmitting the first HARQ codebook, a second PUCCH configuration for unicast is used for transmitting the second HARQ codebook, and a third PUCCH configuration for MBS is used for transmitting the third HARQ codebook; and wherein a priority of the first PUCCH configuration is different from a priority of the second PUCCH configuration.
  2. 2 . The method according to claim 1 , wherein the method further comprises: transmitting the first HARQ codebook on a PUCCH resource indicated by the first PUCCH configuration, transmitting the second HARQ codebook on a PUCCH resource indicated by the second PUCCH configuration, and transmitting the third HARQ codebook on a PUCCH resource indicated by the third PUCCH configuration, by the terminal device.
  3. 3 . The method according to claim 2 , wherein transmitting the first HARQ codebook on the PUCCH resource indicated by the first PUCCH configuration, transmitting the second HARQ codebook on the PUCCH resource indicated by the second PUCCH configuration, and transmitting the third HARQ codebook on the PUCCH resource indicated by the third PUCCH configuration, by the terminal device, comprises: in a case that a PUCCH resource used for transmitting a target HARQ codebook and the PUCCH resource used for transmitting the third HARQ codebook overlap in a time domain, and priorities of the PUCCH resource used for transmitting the third HARQ codebook and the PUCCH resource used for transmitting the target HARQ codebook are different, discarding, by the terminal device, the HARQ codebook transmitted on the PUCCH resource with a lower priority; or in a case that the PUCCH resource used for transmitting the target HARQ codebook and the PUCCH resource used for transmitting the third HARQ codebook overlap in the time domain, and the priority of the PUCCH resource used for transmitting the third HARQ codebook is the same as that of the PUCCH resource used for transmitting the target HARQ codebook, abandoning, by the terminal device, transmission of the third HARQ codebook, or combining the third HARQ codebook with the target HARQ codebook and transmitting the combined HARQ codebook on a target PUCCH resource by the terminal device, wherein the target PUCCH resource is indicated by a physical downlink control channel (PDCCH) associated with a last physical downlink shared channel (PDSCH) fed back by the combined HARQ codebook; wherein the target HARQ codebook is the first HARQ codebook or the second HARQ codebook.
  4. 4 . The method according to claim 1 , wherein the at least one HARQ codebook comprises: a fourth HARQ codebook, a fifth HARQ codebook and a sixth HARQ codebook; wherein the fourth HARQ codebook comprises HARQ feedback information of unicast, the fifth HARQ codebook comprises feedback information of unicast and MBS, and the sixth HARQ codebook comprises feedback information of MBS.
  5. 5 . The method according to claim 4 , wherein determining, by the terminal device, the PUCCH configuration for transmitting at least one HARQ codebook according to the first corresponding relationship, comprises: determining, by the terminal device, that a fourth PUCCH configuration for unicast is used for transmitting the fourth HARQ codebook, a fifth PUCCH configuration for unicast is used for transmitting the fifth HARQ codebook, and a sixth PUCCH configuration for MBS is used for transmitting the sixth HARQ codebook; wherein a priority of the fourth PUCCH configuration is different from a priority of the fifth PUCCH configuration.
  6. 6 . The method according to claim 5 , wherein the method further comprises: transmitting the fourth HARQ codebook on a PUCCH resource indicated by the fourth PUCCH configuration, transmitting the fifth HARQ codebook on a PUCCH resource indicated by the fifth PUCCH configuration, and transmitting the sixth HARQ codebook on a PUCCH resource indicated by the sixth PUCCH configuration, by the terminal device.
  7. 7 . The method according to claim 6 , wherein transmitting the fourth HARQ codebook on the PUCCH resource indicated by the fourth PUCCH configuration, transmitting the fifth HARQ codebook on the PUCCH resource indicated by the fifth PUCCH configuration, and transmitting the sixth HARQ codebook on the PUCCH resource indicated by the sixth PUCCH configuration, by the terminal device, comprises: in a case that a PUCCH resource used for transmitting a target HARQ codebook and the PUCCH resource used for transmitting the sixth HARQ codebook overlap in a time domain, discarding, by the terminal device, the HARQ codebook transmitted on the PUCCH resource with a lower priority, wherein the target HARQ codebook is the fourth HARQ codebook or the fifth HARQ codebook; and/or in a case that the PUCCH resource used for transmitting the fourth HARQ codebook and the PUCCH resource used for transmitting the fifth HARQ codebook overlap in the time domain, abandon, by the terminal device, transmission of the fifth HARQ codebook, or, combining the fourth HARQ codebook and the fifth HARQ codebook and transmitting the combined HARQ codebook on a target PUCCH resource by the terminal device, wherein the target PUCCH resource is indicated by a PDCCH associated with a last PDSCH fed back by the combined HARQ codebook.
  8. 8 . A terminal device, comprising: a processor and a memory, wherein the memory is configured to store a computer program, the processor is configured to call and run the computer program stored in the memory, and execute: determining a PUCCH configuration for transmitting at least one HARQ codebook according to a first corresponding relationship; wherein the first corresponding relationship comprises a corresponding relationship between the PUCCH configuration and the HARQ codebook determined based on priority information, and the HARQ codebook in the at least one HARQ codebook comprises HARQ feedback information for unicast and/or HARQ feedback information for multicast broadcast service (MBS); wherein the at least one HARQ codebook comprises: a first HARQ codebook, a second HARQ codebook and a third HARQ codebook; wherein the first HARQ codebook comprises HARQ feedback information of unicast, the second HARQ codebook comprises HARQ feedback information of unicast, and the third HARQ codebook comprises HARQ feedback information of MBS; wherein the processor is configured to: determine that a first PUCCH configuration for unicast is used for transmitting the first HARQ codebook, a second PUCCH configuration for unicast is used for transmitting the second HARQ codebook, and a third PUCCH configuration for MBS is used for transmitting the third HARQ codebook; and wherein a priority of the first PUCCH configuration is different from a priority of the second PUCCH configuration.
  9. 9 . The terminal device according to claim 8 , wherein the at least one HARQ codebook comprises: a seventh HARQ codebook and an eighth HARQ codebook; wherein the seventh HARQ codebook comprises HARQ feedback information of unicast and MBS, and the eighth HARQ codebook comprises HARQ feedback information of unicast, wherein the processor is further configured to: determine that a target PUCCH is used for transmitting the seventh HARQ codebook, and a eighth PUCCH for unicast is used for transmitting the eighth HARQ codebook, the target PUCCH is indicated by a PDCCH associated with a last PDSCH fed back by the seventh HARQ codebook within a PUCCH resource indicated by a seventh PUCCH configuration and a PUCCH resource indicated by a ninth PUCCH configuration; wherein a priority of the seventh PUCCH configuration is the same as a priority of the ninth PUCCH configuration; and wherein the processor is configured to transmit the seventh HARQ codebook on a PUCCH resource indicated by the target PUCCH configuration, and transmit the eighth HARQ codebook on a PUCCH resource indicated by the eighth PUCCH configuration.
  10. 10 . The terminal device according to claim 8 , wherein the at least one HARQ codebook comprises: a ninth HARQ codebook and a tenth HARQ codebook; wherein both the ninth HARQ codebook and the tenth HARQ codebook comprise HARQ feedback information of unicast and MBS; or wherein the at least one HARQ codebook comprises: a ninth HARQ codebook and a tenth HARQ codebook; wherein the ninth HARQ codebook comprises HARQ feedback information of unicast, and the tenth HARQ codebook comprises HARQ feedback information of unicast and MBS.
  11. 11 . The terminal device according to claim 10 , wherein the processor is further configured to: determine that a tenth PUCCH configuration for unicast is used for transmitting the ninth HARQ codebook, and an eleventh PUCCH configuration for MBS is used for transmitting the tenth HARQ codebook; wherein a priority of the tenth PUCCH configuration is different from a priority of the eleventh PUCCH configuration, wherein the processor is further configured to transmit the ninth HARQ codebook on a PUCCH resource indicated by the tenth PUCCH configuration, and transmit the tenth HARQ codebook on a PUCCH resource indicated by the eleventh PUCCH configuration, wherein the processor is further configured to: in a case that a PUCCH resource used for transmitting the ninth HARQ codebook and a PUCCH resource used for transmitting the tenth HARQ codebook overlap in a time domain, discarding the HARQ codebook transmitted on the PUCCH resource with a lower priority.
  12. 12 . The terminal device according to claim 8 , wherein the at least one HARQ codebook comprises: an eleventh HARQ codebook, a twelfth HARQ codebook, a thirteenth HARQ codebook and a fourteenth HARQ codebook; wherein both the eleventh HARQ codebook and the twelfth HARQ codebook comprises HARQ feedback information of unicast, and both the thirteenth HARQ codebook and the fourteenth HARQ codebook comprises HARQ feedback information of MBS.
  13. 13 . The terminal device according to claim 12 , wherein the processor is further configured to: determine that a twelfth PUCCH configuration for unicast is used for transmitting the eleventh HARQ codebook, a thirteenth PUCCH configuration for unicast is used for transmitting the twelfth HARQ codebook, a fourteenth PUCCH configuration for MBS is used for transmitting the thirteenth HARQ codebook, and a fifteenth PUCCH configuration for the MBS is used for transmitting the fourteenth HARQ codebook; wherein a priority of the twelfth PUCCH configuration is different from a priority of the thirteenth PUCCH configuration, and a priority of the fourteenth PUCCH configuration is different from a priority of the fifteenth PUCCH configuration.
  14. 14 . The terminal device according to claim 13 , wherein the processor is further configured to transmit the eleventh HARQ codebook on a PUCCH resource indicated by the twelfth PUCCH configuration, transmit the twelfth HARQ codebook on a PUCCH resource indicated by the thirteenth PUCCH configuration, transmit the thirteenth HARQ codebook on a PUCCH resource indicated by the fourteenth PUCCH configuration, and transmit the fourteenth HARQ codebook on a PUCCH resource indicated by the fifteenth PUCCH configuration.
  15. 15 . The terminal device according to claim 14 , wherein the processor is further configured to transmit the eleventh HARQ codebook and the thirteenth HARQ codebook on a PUCCH resource indicated by a first target PUCCH configuration, and transmit the twelfth HARQ codebook and the fourteenth HARQ codebook on a PUCCH resource indicated by a sixteenth target PUCCH configuration; wherein the first target PUCCH configuration is indicated by a PDCCH associated with a last PDSCH fed back by the eleventh HARQ codebook and the thirteenth HARQ codebook, and the second target PUCCH configuration is indicated by the physical downlink control channel (PDCCH) associated with a last PDSCH fed back by the twelfth HARQ codebook and the fourteenth HARQ codebook.
  16. 16 . The terminal device according to claim 8 , wherein the at least one HARQ codebook comprises: a fifteenth HARQ codebook and a sixteenth HARQ codebook; wherein both the fifteenth HARQ codebook and the sixteenth HARQ codebook comprise HARQ feedback information of unicast and MBS; wherein the processor is further configured to: determine that a sixteenth PUCCH configuration for unicast is used for transmitting the fifteenth HARQ codebook, and a seventeenth PUCCH configuration for unicast is used for transmitting the sixteenth HARQ codebook; wherein a priority of the sixteenth PUCCH configuration is different from a priority of the seventeenth PUCCH configuration; and wherein the processor is further configured to transmit the fifteenth HARQ codebook on a PUCCH resource indicated by the sixteenth PUCCH configuration, and transmit the sixteenth HARQ codebook on a PUCCH resource indicated by the seventeenth PUCCH configuration.
  17. 17 . The terminal device according to claim 8 , wherein the at least one HARQ codebook comprises: a seventeenth HARQ codebook, and the seventeenth HARQ codebook comprises HARQ feedback information of unicast and MBS.
  18. 18 . The terminal device according to claim 17 , wherein the processor is further configured to determine that an eighteenth PUCCH configuration for unicast is used for transmitting the seventeenth HARQ codebook.

Description

CROSS-REFERENCE TO RELATED APPLICATION This application is a continuation of International Application No. PCT/CN2021/085353, filed Apr. 2, 2021, the entire disclosure of which is incorporated herein by reference. TECHNICAL FIELD The embodiments of the present application relate to the field of communication, and more particularly, to a method of wireless communication and a terminal device. BACKGROUND In a New Radio (NR) system, Hybrid Automatic Repeat request (HARQ) feedback for unicast and HARQ feedback for Multicast Broadcast Service (MBS) may exist at the same time. In this case, how to select the PUCCH resource to transmit HARQ feedback information is an urgent problem to be solved. SUMMARY The embodiments of the present application provide a method of wireless communication and a terminal device. In the case where HARQ feedback for unicast and HARQ feedback for MBS exist at the same time, the HARQ feedback for unicast and the HARQ feedback for MBS can be transmitted based on the PUCCH resources of different priorities, ensuring the transmission reliability of the HARQ feedback for unicast and the HARQ feedback for MBS. In a first aspect, a method of wireless communication is provided, the method including: determining, by a terminal device, a PUCCH configuration for transmitting at least one HARQ codebook according to a first corresponding relationship;where the first corresponding relationship includes a corresponding relationship between the PUCCH configuration and the HARQ codebook determined based on priority information, and the HARQ codebook in the at least one HARQ codebook includes HARQ feedback information for unicast and/or HARQ feedback information for MBS. In a second aspect, a terminal device is provided for executing the method in the above-mentioned first aspect. Specifically, the terminal device includes a functional module for executing the method in the first aspect. In a third aspect, a terminal device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect. In a fourth aspect, an apparatus is provided for implementing the method in the above-mentioned first aspect. Specifically, the apparatus includes: a processor for invoking and running a computer program from a memory, so that a device in which the apparatus is installed executes the method in the above-mentioned first aspect. In a fifth aspect, a computer-readable storage medium is provided for storing a computer program, and the computer program causes a computer to execute the method in the above-mentioned first aspect. In a sixth aspect, a computer program product is provided, including computer program instructions, the computer program instructions causing a computer to perform the method of the above-mentioned first aspect. In a seventh aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of the above-mentioned first aspect. Through the above technical solutions, the terminal device can determine the PUCCH configuration for transmitting the HARQ codebook for unicast and/or MBS according to the corresponding relationship between the PUCCH configuration and the HARQ codebook determined based on the priority information. That is, the HARQ feedback for unicast and the HARQ feedback for MBS can be transmitted based on PUCCH resources of different priorities, ensuring the transmission reliability of the HARQ feedback for unicast and the HARQ feedback for MBS. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a communication system architecture to which an embodiment of the present application is applied. FIG. 2 is a schematic diagram of a PUCCH resource set configuration provided by the present application. FIG. 3 is a schematic flowchart of a method of wireless communication according to an embodiment of the present application. FIG. 4 shows a schematic block diagram of a terminal device according to an embodiment of the present application. FIG. 5 is a schematic structural diagram of a communication device provided by an embodiment of the present application. FIG. 6 is a schematic structural diagram of an apparatus according to an embodiment of the present application. FIG. 7 is a schematic block diagram of a communication system provided by an embodiment of the present application. DETAILED DESCRIPTION The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. With regard to the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the pro