# US 2021/0083751 A1 · Resource configuration method, apparatus, and system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0083751 A1 - Document ID: US20210083751A1 - Status: Published application - Kind: A1 - Application number: 17/103,268 - Filed: 2020-11-24 - Published: 2021-03-18 - Earliest claimed: 2018-05-28 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Lei CHEN; Peng GUAN - Web page: https://patentgrep.com/patent/US20210083751A1 ## CPC - H04B 7/088: {using beam selection} - H04B 7/06964: {Re-selection of one or more beams after beam failure} - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04L 25/0226: {sounding signals per se} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 76/19: Connection re-establishment - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Embodiments of this application disclose a resource configuration method, apparatus, and system. A network device sends a resource configuration of a physical uplink control channel PUCCH used for beam failure recovery to a terminal device, where the resource configuration of the PUCCH includes a corresponding transmit beam of the PUCCH. When detecting a beam failure event, the terminal device sends a transmit beam failure recovery request to the network device based on the resource configuration of the PUCCH and a corresponding periodicity of the PUCCH. The periodicity of the PUCCH may be configured by the network device, or may be a preset periodicity. According to the configuration manner of the PUCCH resource used for beam failure recovery in the embodiments of this application, the terminal device can flexibly and effectively perform beam failure recovery. ## Claims ### Claim 1 A resource configuration method, wherein the method comprises: receiving a resource configuration that is of a physical uplink control channel (PUCCH) used for beam failure recovery and that is sent by a network device, wherein the resource configuration of the PUCCH comprises a corresponding transmit beam of the PUCCH; and when a beam failure event is detected, sending a beam failure recovery request to the network device based on the resource configuration of the PUCCH and a corresponding periodicity of the PUCCH. ### Claim 2 (depends on 1) The method according to claim 1, wherein the resource configuration of the PUCCH further comprises: an association relationship between a use time of the transmit beam and the periodicity of the PUCCH, or an association relationship between the use time of the transmit beam and a time offset of the PUCCH. ### Claim 3 (depends on 1) The method according to claim 1, wherein the resource configuration of the PUCCH is associated with resources of downlink signals corresponding to candidate beams in a candidate beam set, and the candidate beam set is a beam set used for beam failure recovery and configured by the network device; or the resource configuration of the PUCCH is associated with one or more resources of one or more uplink signals. ### Claim 4 (depends on 3) The method according to claim 3, wherein the transmit beam comprises uplink transmit beams corresponding to the candidate beams that are in the candidate beam set and that are used to transmit the downlink signals; or the transmit beam comprises beams used to send the uplink signals. ### Claim 5 (depends on 1) The method according to claim 1, wherein when the sending of the beam failure recovery request and a transmission of an uplink measurement signal are in a same time domain resource, the sending of the beam failure recovery request is preferential. ### Claim 6 (depends on 5) The method according to claim 5, wherein in a same time domain resource comprises: in a same symbol. ### Claim 7 (depends on 5) The method according to claim 5, wherein the uplink measurement signal is a sounding reference signal (SRS). ### Claim 8 A resource configuration apparatus, wherein the apparatus comprises at least one processor, wherein the at least one processor is configured to read an instruction in a memory and implement: causing a transceiver to receive a resource configuration that is of a physical uplink control channel (PUCCH) used for beam failure recovery and that is sent by a network device, wherein the resource configuration of the PUCCH comprises a corresponding transmit beam of the PUCCH, wherein when detecting a beam failure event, causing the transceiver to send a beam failure recovery request to the network device based on the resource configuration of the PUCCH and a corresponding periodicity of the PUCCH. ### Claim 9 (depends on 8) The apparatus according to claim 8, wherein the resource configuration of the PUCCH comprises the periodicity of the PUCCH; or the periodicity of the PUCCH is a preset periodicity. ### Claim 10 (depends on 8) The apparatus according to claim 8, wherein the resource configuration of the PUCCH further comprises at least one of the following: a communication resource of the PUCCH, a time offset of the PUCCH, or a format of the PUCCH. ### Claim 11 (depends on 10) The apparatus according to claim 10, wherein the resource configuration of the PUCCH further comprises: an association relationship between a use time of the transmit beam and the periodicity of the PUCCH, or an association relationship between the use time of the transmit beam and the time offset of the PUCCH. ### Claim 12 (depends on 8) The apparatus according to claim 8, wherein the resource configuration of the PUCCH is associated with resources of downlink signals corresponding to candidate beams in a candidate beam set, and the candidate beam set is a beam set used for beam failure recovery and configured by the network device; or the resource configuration of the PUCCH is associated with one or more resources of one or more uplink signals. ### Claim 13 (depends on 12) The apparatus according to claim 12, wherein the transmit beam comprises uplink transmit beams corresponding to the candidate beams that are in the candidate beam set and that are used to transmit the downlink signals; or the transmit beam comprises beams used to send the uplink signals. ### Claim 14 (depends on 8) The apparatus according to claim 8, wherein when the sending of the beam failure recovery request and a transmission of an uplink measurement signal are in a same time domain resource, the sending of the beam failure recovery request is preferential. ### Claim 15 (depends on 14) The apparatus according to claim 14, wherein in a same time domain resource comprises: in a same symbol. ### Claim 16 (depends on 14) The apparatus according to claim 14, wherein the uplink measurement signal is a sounding reference signal (SRS). ### Claim 17 (depends on 8) The apparatus according to claim 8, wherein the resource configuration of the PUCCH comprises one PUCCH communication resource or a plurality of PUCCH communication resources. ### Claim 18 (depends on 8) The apparatus according to claim 8, wherein the apparatus is a terminal device or a chip. ### Claim 19 A resource configuration apparatus, wherein the apparatus comprises at least one processor, wherein the at least one processor is configured to read an instruction in a memory and implement: causing a transceiver to send a resource configuration of a physical uplink control channel (PUCCH) used for beam failure recovery to a terminal device, wherein the resource configuration of the PUCCH comprises a corresponding transmit beam of the PUCCH and causing the transceiver to receive a beam failure recovery request that is sent when the terminal device detects a beam failure event and based on the resource configuration of the PUCCH and a corresponding periodicity of the PUCCH. ### Claim 20 (depends on 19) The apparatus according to claim 19, wherein the resource configuration of the PUCCH further comprises: an association relationship between a use time of the transmit beam and the periodicity of the PUCCH, or an association relationship between the use time of the transmit beam and a time offset of the PUCCH. ### Claim 21 (depends on 19) The apparatus according to claim 19, wherein the resource configuration of the PUCCH is associated with resources of downlink signals corresponding to candidate beams in a candidate beam set, and the candidate beam set is a beam set used for beam failure recovery and configured by a network device; or the resource configuration of the PUCCH is associated with one or more resources of one or more uplink signals. ### Claim 22 (depends on 21) The apparatus according to claim 21, wherein the transmit beam comprises uplink transmit beams corresponding to the candidate beams that are in the candidate beam set and that are used to transmit the downlink signals; or the transmit beam comprises beams used to send the uplink signals. ### Claim 23 (depends on 19) The apparatus according to claim 19, wherein the resource configuration of the PUCCH comprises a time-frequency resource of the PUCCH; and the time-frequency resource of the PUCCH is the same as a time-frequency resource of an uplink measurement signal; or a time domain resource of the PUCCH is the same as a time domain resource of an uplink measurement signal, and a frequency domain resource of the PUCCH is different from a frequency domain resource of the uplink measurement signal. ### Claim 24 (depends on 19) The apparatus according to claim 19, wherein the apparatus is a network device or a chip. ### Claim 25 A non-transitory computer-readable storage medium storing a computer program, wherein when the program is executed by a computer, implementing: receiving a resource configuration that is of a physical uplink control channel (PUCCH) used for beam failure recovery and that is sent by a network device, wherein the resource configuration of the PUCCH comprises a corresponding transmit beam of the PUCCH; and when a beam failure event is detected, sending a beam failure recovery request to the network device based on the resource configuration of the PUCCH and a corresponding periodicity of the PUCCH. ### Claim 26 (depends on 25) The medium according to claim 25, wherein the resource configuration of the PUCCH is associated with resources of downlink signals corresponding to candidate beams in a candidate beam set, and the candidate beam set is a beam set used for beam failure recovery and configured by the network device; or the resource configuration of the PUCCH is associated with one or more resources of one or more uplink signals. ### Claim 27 (depends on 26) The medium according to claim 26, wherein the transmit beam comprises uplink transmit beams corresponding to the candidate beams that are in the candidate beam set and that are used to transmit the downlink signals; or the transmit beam comprises beams used to send the uplink signals. ### Claim 28 (depends on 25) The medium according to claim 25, wherein when the sending of the beam failure recovery request and a transmission of an uplink measurement signal are in a same time domain resource, the sending of the beam failure recovery request is preferential. ### Claim 29 (depends on 28) The medium according to claim 28, wherein in a same time domain resource comprises: in a same symbol. ### Claim 30 (depends on 28) The medium according to claim 28, wherein the uplink measurement signal is a sounding reference signal (SRS).