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EP-4277396-B1 - WIRELESS COMMUNICATION METHOD AND TERMINAL DEVICE

EP4277396B1EP 4277396 B1EP4277396 B1EP 4277396B1EP-4277396-B1

Inventors

  • Zhang, Shichang
  • ZHAO, ZHENSHAN
  • XU, JING

Dates

Publication Date
20260506
Application Date
20210402

Claims (14)

  1. A method of wireless communication, comprising: determining (S301), by a terminal device, physical uplink control channel, PUCCH, configurations for transmitting hybrid automatic repeat request, HARQ, codebooks according to a first corresponding relationship; wherein the first corresponding relationship comprises a corresponding relationship between the PUCCH configurations and the HARQ codebooks determined based on priority information, and the HARQ codebooks comprises HARQ feedback information for unicast and HARQ feedback information for multicast broadcast service, MBS, wherein the priority information comprises priorities of the PUCCH configurations configured by a base station or defined by a standard, and the HARQ codebooks have priorities corresponding to the priorities of the PUCCH configurations; wherein the HARQ codebooks comprise: 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 configurations for transmitting the HARQ codebooks 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; wherein a priority of the first PUCCH configuration is different from a priority of the second PUCCH configuration, and a unicast fed back by the first HARQ codebook is different from a unicast fed back by the second HARQ codebook.
  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, 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, for which the combined HARQ codebook is fed back; wherein the target HARQ codebook is the first HARQ codebook or the second HARQ codebook.
  3. The method according to claim 1, wherein the HARQ codebooks further comprise: 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.
  4. The method according to claim 3, wherein determining, by the terminal device, the PUCCH configurations for transmitting the HARQ codebooks 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, 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, 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 for which the combined HARQ codebook is fed back.
  5. The method according to claim 1, wherein the HARQ codebooks further comprise: 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.
  6. The method according to claim 5, wherein determining, by the terminal device, the PUCCH configurations for transmitting the HARQ codebooks according to the first corresponding relationship, comprises: determining, by the terminal device, that a target PUCCH configuration is used for transmitting the seventh HARQ codebook, and an eighth PUCCH configuration for unicast is used for transmitting the eighth HARQ codebook, the target PUCCH is indicated by a PDCCH associated with a last PDSCH for which the seventh HARQ codebook is fed back 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, wherein the method further comprises: transmitting the seventh HARQ codebook on a PUCCH resource indicated by the target PUCCH configuration, and transmitting the eighth HARQ codebook on a PUCCH resource indicated by the eighth PUCCH configuration, by the terminal device.
  7. The method according to claim 1, wherein the HARQ codebooks further comprise: 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.
  8. The method according to claim 1, wherein the HARQ codebooks further comprise: a ninth HARQ codebook and a tenth HARQ codebook; wherein the ninth HARQ codebook comprises HARQ feedback information of unicast, the tenth HARQ codebook comprises HARQ feedback information of unicast and MBS.
  9. The method according to claim 7 or 8, wherein determining, by the terminal device, the PUCCH configurations for transmitting the HARQ codebooks according to the first corresponding relationship, comprises: determining, by the terminal device, 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 ninth PUCCH configuration is different from a priority of the tenth PUCCH configuration, wherein the method further comprises: transmitting the ninth HARQ codebook on a PUCCH resource indicated by the tenth PUCCH configuration, and transmitting the tenth HARQ codebook on a PUCCH resource indicated by the eleventh PUCCH configuration, by the terminal device, wherein transmitting the ninth HARQ codebook on the PUCCH resource indicated by the tenth PUCCH configuration, and transmitting the tenth HARQ codebook on the PUCCH resource indicated by the eleventh PUCCH configuration, by the terminal device, comprises: 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, by the terminal device, the HARQ codebook transmitted on the PUCCH resource with a lower priority.
  10. The method according to claim 1, wherein the HARQ codebooks further comprise: 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 comprise HARQ feedback information of unicast, and both the thirteenth HARQ codebook and the fourteenth HARQ codebook comprise HARQ feedback information of MBS.
  11. The method according to claim 10, wherein determining, by the terminal device, the PUCCH configurations for transmitting the HARQ codebooks according to the first corresponding relationship, comprises: determining, by the terminal device, 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 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, wherein the method further comprises: transmitting the eleventh HARQ codebook on a PUCCH resource indicated by the twelfth PUCCH configuration, transmitting the twelfth HARQ codebook on a PUCCH resource indicated by the thirteenth PUCCH configuration, transmitting the thirteenth HARQ codebook on a PUCCH resource indicated by the fourteenth PUCCH configuration, and transmitting the fourteenth HARQ codebook on a PUCCH resource indicated by the fifteenth PUCCH configuration, by the terminal device, wherein the method further comprises: transmitting the eleventh HARQ codebook and the thirteenth HARQ codebook on a PUCCH resource indicated by a first target PUCCH configuration, and transmitting the twelfth HARQ codebook and the fourteenth HARQ codebook on a PUCCH resource indicated by a second target PUCCH configuration, by the terminal device; wherein the first target PUCCH configuration is indicated by a PDCCH associated with a last PDSCH for which the eleventh HARQ codebook and the thirteenth HARQ codebook are fed back, and the second target PUCCH configuration is indicated by physical downlink control channel, PDCCH, associated with a last PDSCH for which the twelfth HARQ codebook and the fourteenth HARQ codebook are fed back.
  12. The method according to claim 1, wherein the HARQ codebooks further comprise: 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 determining, by the terminal device, the PUCCH configurations for transmitting the HARQ codebooks according to the first corresponding relationship, comprises: determining, by the terminal device, 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, wherein the method further comprises: transmitting the fifteenth HARQ codebook on a PUCCH resource indicated by the sixteenth PUCCH configuration, and transmitting the sixteenth HARQ codebook on a PUCCH resource indicated by the seventeenth PUCCH configuration, by the terminal device.
  13. The method according to claim 1, wherein the HARQ codebooks further comprises: a seventeenth HARQ codebook, and the seventeenth HARQ codebook comprises HARQ feedback information of unicast and MBS, wherein determining, by the terminal device, the PUCCH configurations for transmitting the HARQ codebooks according to the first corresponding relationship, comprises: determining, by the terminal device, that an eighteenth PUCCH configuration for unicast is used for transmitting the seventeenth HARQ codebook.
  14. A terminal device (600), comprising: a processor (610) and a memory (620), 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 the method according to any one of claims 1 to 13.

Description

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. INTEL CORPORATION: "Mechanism to improve Reliability of NR MBS for RRC_CONNECTED UEs" 3GPP DRAFT; R1-2100765 proposed that options for MBS HARQ codebook design be the subject for further study. SUMMARY Method and terminal for priority-based pre-allocation of physical uplink control channel, PUCCH, resources to multiple hybrid automatic repeat request codebooks, HARQ CBs, (two unicast, one multicast broadcast service, MBS) as claimed by claims 1 and 14. 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 protection scope of the present application. The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), a Long Term Evolution (LTE) system, an Advanced Long Term Evolution (LTE-A) system, an NR system, an evolution system of NR system, an LTE-based access to unlicensed spectrum (LTE-U) system, an NR-based access to unlicensed spectrum (NR-U) system, a Non-Terrestrial Networks (NTN) system, a Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), the fifth generation communication (5th-Generation, 5G) system or other communication systems, etc. Generally speaking, traditional communication systems support a limited number of connections, which are easy to be implemented. However, with the development of communication technology, the mobile communication systems will not only support traditional communication, but also support, for example, Device to Device (D2D) communication, Machine to Machine (M2M) communication, Machine Type Communication (MTC), Vehicle to Vehicle (V2V) communication, or Vehicle to everything (V2X) communication, etc., and the embodiments of the present application can also be applied to these communication systems. In some embodiments, the communication system in the embodiments of the present application can be applied to a Carrier Aggregation (CA) scenario, a Dual Connectivity (DC) scenario, and can also be applied to a Standalone (SA) network deployment scenario. In some embodiments, the communication system in the embodiments of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiments of the present application may also be applied to a licensed spectrum, and the licensed spectrum can also be considered as a non-shared spectrum. The embodiments of the present application describe various embodiments in conjunction with the network device and the terminal device, where the terminal device may also be referred to as User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent or a user apparatus, etc. The terminal device may be a station (STATION, ST) in the WLAN, and may be a cellular phone, a cordless phone