# US 11,909,490 B2 · Scheduling request transmitting method, scheduling request receiving method, terminal, and network device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,490 B2 - Document ID: US11909490B2 - Status: Granted - Kind: B2 - Application number: 17/571,865 - Filed: 2022-01-10 - Published: 2022-04-28 - Granted: 2024-02-20 - Earliest claimed: 2019-07-11 - Assignees: Vivo Mobile Communication Co., Ltd. - Applicants: Vivo Mobile Communication Co., Ltd. - Inventors: Yu Yang; Yumin Wu - Web page: https://patentgrep.com/patent/US11909490B2 ## CPC - H04B 7/06964: {Re-selection of one or more beams after beam failure} - H04W 72/044: based on the type of the allocated resource - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 76/19: Connection re-establishment - H04W 16/28: using beam steering - H04W 80/02: Data link layer protocols - H04B: TRANSMISSION - 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 disclosure provide a scheduling request transmitting method, a scheduling request receiving method, a terminal, and a network device. The scheduling request transmitting method includes: in a case that a first trigger condition is met, transmit a scheduling request SR to a network device; and in a case that a second trigger condition is met, cancel transmission of the SR, or skip transmission of the SR for N times, where N is an integer greater than 1. ## Claims ### Claim 1 A scheduling request transmitting method, comprising: in a case that a first trigger condition is met, transmitting by a terminal a scheduling request (SR) to a network device; and in a case that a second trigger condition is met, canceling by the terminal transmission of the SR, or skipping transmission of the SR for N times, wherein N is an integer greater than 1; wherein before the transmitting by the terminal the scheduling request (SR) to the network device, the method further comprises: in a case that a beam failure is detected, triggering by the terminal a first medium access control control element (MAC CE), wherein the first MAC CE is used to transmit BFRQ information; or in a case that a beam failure is detected and a new beam is identified, triggering by the terminal a first MAC CE, wherein the first MAC CE is used to transmit BWRQ information. ### Claim 2 (depends on 1) The method according to claim 1, wherein the first trigger condition comprises at least one of the following: a beam failure is detected by the terminal; a beam failure is detected by the terminal and a new beam is identified by the terminal; and the terminal has pending beam failure recovery request (BFRQ) information, but no uplink resource is available for transmitting the pending BFRQ information. ### Claim 3 (depends on 2) The method according to claim 2, wherein that a beam failure is detected comprises at least one of the following: a beam failure is detected in a cell; a beam failure is detected in a bandwidth part (BWP); and a beam failure is detected at a transmission reception point (TRP). ### Claim 4 (depends on 2) The method according to claim 2, wherein that a beam failure is detected and a new beam is identified comprises at least one of the following: a beam failure is detected in a cell, and a new beam is identified in the cell in which the beam failure is detected; a beam failure is detected in a bandwidth part (BWP), and a new beam is identified in the BWP in which the beam failure is detected; and a beam failure is detected at a transmission reception point (TRP), and a new beam is identified at the TRP at which the beam failure is detected. ### Claim 5 (depends on 1) The method according to claim 1, wherein the first MAC CE is in a pending state. ### Claim 6 (depends on 1) The method according to claim 1, wherein the second trigger condition comprises any one of the following: BFRQ information is sent to the network device; beam failure recovery is completed; at least one of radio resource control (RRC), a medium access control control element (MAC CE), and downlink control information (DCI) is received from the network device; a cell in which a beam failure has occurred is released or deactivated; a bandwidth part (BWP) in which a beam failure has occurred is released or deactivated; a transmission reception point (TRP) in which a beam failure has occurred is released or deactivated; switching to a new cell is performed; switching to a new bandwidth part (BWP) is performed; switching to a new transmission reception point (TRP) is performed; and switching to a new beam is performed. ### Claim 7 (depends on 1) The method according to claim 1, wherein after the transmitting by the terminal the scheduling request (SR) to the network device, the method further comprises: transmitting, by the terminal on an uplink grant resource configured or indicated by the network device, beam failure recovery request (BFRQ) information to the network device. ### Claim 8 (depends on 7) The method according to claim 7, wherein the BFRQ information is carried by a MAC CE. ### Claim 9 (depends on 7) The method according to claim 7, wherein in a case that the second trigger condition is met, the method further comprises: canceling, by the terminal, transmission of the BFRQ information. ### Claim 10 (depends on 1) The method according to claim 1, wherein the SR is an SR dedicated to beam failure recovery. ### Claim 11 A terminal, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein when the program is executed by the processor, the following steps are implemented: in a case that a first trigger condition is met, transmitting a scheduling request (SR) to a network device; and in a case that a second trigger condition is met, canceling transmission of the SR, or skipping transmission of the SR for N times, wherein N is an integer greater than 1; wherein before the transmitting the scheduling request (SR) to the network device, the method further comprises: in a case that a beam failure is detected, triggering a first medium access control control element (MAC CE), wherein the first MAC CE is used to transmit BFRQ information; or in a case that a beam failure is detected and a new beam is identified, triggering a first MAC CE, wherein the first MAC CE is used to transmit BFRQ information. ### Claim 12 (depends on 11) The terminal according to claim 11, wherein the first trigger condition comprises at least one of the following: a beam failure is detected by the terminal; a beam failure is detected by the terminal and a new beam is identified by the terminal; and the terminal has pending beam failure recovery request (BFRQ) information, but no uplink resource is available for transmitting the pending BFRQ information. ### Claim 13 (depends on 12) The terminal according to claim 12, wherein that a beam failure is detected comprises at least one of the following: a beam failure is detected in a cell; a beam failure is detected in a bandwidth part (BWP); and a beam failure is detected at a transmission reception point (TRP). ### Claim 14 (depends on 11) The terminal according to claim 11, wherein the second trigger condition comprises any one of the following: BFRQ information is sent to the network device; beam failure recovery is completed; at least one of radio resource control (RRC), a medium access control control element (MAC CE), and downlink control information (DCI) is received from the network device; a cell in which a beam failure has occurred is released or deactivated; a bandwidth part (BWP) in which a beam failure has occurred is released or deactivated; a transmission reception point (TRP) in which a beam failure has occurred is released or deactivated; switching to a new cell is performed; switching to a new bandwidth part (BWP) is performed; switching to a new transmission reception point (TRP) is performed; and switching to a new beam is performed. ### Claim 15 (depends on 11) The terminal according to claim 11, wherein after the transmitting the scheduling request (SR) to the network device, the method further comprises: transmitting, on an uplink grant resource configured or indicated by the network device, beam failure recovery request (BFRQ) information to the network device.