# US 2021/0243739 A1 · Wireless communication method and device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243739 A1 - Document ID: US20210243739A1 - Status: Published application - Kind: A1 - Application number: 17/238,197 - Filed: 2021-04-22 - Published: 2021-08-05 - Earliest claimed: 2018-11-01 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Zhenshan Zhao; Huei-Ming Lin; Qianxi Lu - Web page: https://patentgrep.com/patent/US20210243739A1 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/51: based on terminal or device properties - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 4/46: for vehicle-to-vehicle communication [V2V] - H04W 72/20: Control channels or signalling for resource management - H04W 72/40: Resource management for direct mode communication, e.g. D2D or sidelink - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The embodiments of the present disclosure provide a wireless communication method and device, which can implement normal operation of a terminal device having multiple capabilities. The method includes reporting, by a first terminal device, capability information of the first terminal device and capability information of a third terminal device to a network device; acquiring, by the first terminal device, a first transmission resource set configured by the network device for performing sidelink communication; and performing, by the first terminal device, the sidelink communication with the third terminal device using a resource in the first transmission resource set. ## Claims ### Claim 1 A method for wireless communication, comprising: reporting, by a first terminal device, capability information of the first terminal device and capability information of a third terminal device to a network device; acquiring, by the first terminal device, a first transmission resource set configured by the network device for performing sidelink communication; and performing, by the first terminal device, the sidelink communication with the third terminal device using a resource in the first transmission resource set. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: receiving, by the first terminal device, the capability information of the third terminal device from the third terminal device through a fourth sidelink channel. ### Claim 3 (depends on 2) The method according to claim 2, wherein the fourth sidelink channel comprises a physical sidelink shared channel (PSSCH). ### Claim 4 (depends on 1) The method according to claim 1, wherein the first terminal device reports the capability information of the first terminal device and the capability information of the third terminal device using radio resource control (RRC) signaling. ### Claim 5 (depends on 1) The method according to claim 1, wherein the acquiring, by the first terminal device, the first transmission resource set configured by the network device for performing sidelink communication comprises: receiving, by the first terminal device, RRC signaling or a downlink control channel sent by the network device; and determining, by the first terminal device, the first transmission resource set based on the received RRC signaling or downlink control channel ### Claim 6 (depends on 1) The method according to claim 1, wherein the capability information of the first terminal device is used for representing a bandwidth range supported by the first terminal device; or the capability information of the third terminal device is used for representing a bandwidth range supported by the third terminal device. ### Claim 7 (depends on 1) The method according to claim 1, wherein the first transmission resource set is located within a bandwidth range supported by the first terminal device. ### Claim 8 A method for wireless communication, comprising: acquiring, by a network device, capability information of a first terminal device and capability information of a third terminal device; and sending, by the network device, first information to the first terminal device based on the capability information of the first terminal device and the capability information of the third terminal device, the first information indicating a first transmission resource set for the first terminal device to perform sidelink communication. ### Claim 9 (depends on 8) The method according to claim 8, wherein the acquiring the capability information of the first terminal device and the capability information of the third terminal device, comprises: acquiring, by the network device, the capability information of the first terminal device and the capability information of the third terminal device from radio resource control (RRC) signaling sent by the first terminal device. ### Claim 10 (depends on 8) The method according to claim 8, wherein the network device sends the first information to the first terminal device through RRC signaling or a downlink control channel. ### Claim 11 (depends on 8) The method according to claim 8, wherein the capability information of the first terminal device is used for representing a bandwidth range supported by the first terminal device; or the capability information of the third terminal device is used for representing a bandwidth range supported by the third terminal device. ### Claim 12 (depends on 8) The method according to claim 8, wherein the first transmission resource set is located within a bandwidth range supported by the first terminal device. ### Claim 13 A terminal device, wherein the terminal device is a first terminal device, comprising: a processor; a memory; and a transceiver, wherein 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: report capability information of the first terminal device and capability information of a third terminal device to a network device via the transceiver; acquire a first transmission resource set configured by the network device for performing sidelink communication via the transceiver; and perform the sidelink communication with the third terminal device using a resource in the first transmission resource set. ### Claim 14 (depends on 13) The terminal device according to claim 13, wherein the processor is further configured to: receive the capability information of the third terminal device from the third terminal device through a fourth sidelink channel via the transceiver. ### Claim 15 (depends on 14) The terminal device according to claim 14, wherein the fourth sidelink channel comprises a physical sidelink shared channel (PSSCH). ### Claim 16 (depends on 13) The terminal device according to claim 13, wherein the processor is further configured to report the capability information of the first terminal device and the capability information of the third terminal device via the transceiver using radio resource control (RRC) signaling. ### Claim 17 (depends on 13) The terminal device according to claim 13, wherein the processor is further configured to receive, via the transceiver, RRC signaling or a downlink control channel sent by the network device, and determine the first transmission resource set based on the received RRC signaling or downlink control channel. ### Claim 18 (depends on 13) The terminal device according to claim 13, wherein the capability information of the first terminal device is used for representing a bandwidth range supported by the first terminal device; or the capability information of the third terminal device is used for representing a bandwidth range supported by the third terminal device. ### Claim 19 (depends on 13) The terminal device according to claim 13, wherein the first transmission resource set is located within a bandwidth range supported by the first terminal device. ### Claim 20 A network device, comprising: a processor; a memory; and a transceiver, wherein 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: acquire capability information of a first terminal device and capability information of a third terminal device via the transceiver; and send first information to the first terminal device based on the capability information of the first terminal device and the capability information of the third terminal device via the transceiver, the first information indicating a first transmission resource set for the first terminal device to perform sidelink communication. ### Claim 21 (depends on 20) The network device according to claim 20, wherein the processor is further configured to: acquire the capability information of the first terminal device and the capability information of the third terminal device via the transceiver from radio resource control (RRC) signaling sent by the first terminal device. ### Claim 22 (depends on 20) The network device according to claim 20, wherein the processor is further configured to send the first information to the first terminal device through RRC signaling or a downlink control channel via the transceiver. ### Claim 23 (depends on 20) The network device according to claim 20, wherein the capability information of the first terminal device is used for representing a bandwidth range supported by the first terminal device; or the capability information of the third terminal device is used for representing a bandwidth range supported by the third terminal device. ### Claim 24 (depends on 20) The network device according to claim 20, wherein the first transmission resource set is located within a bandwidth range supported by the first terminal device.