# US 12,004,109 B2 · Communication method and apparatus, and device and medium in deactivated state of secondary cell group > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,109 B2 - Document ID: US12004109B2 - Status: Granted - Kind: B2 - Application number: 18/260,933 - Filed: 2021-12-21 - Published: 2024-03-21 - Granted: 2024-06-04 - Earliest claimed: 2021-01-08 - Assignees: Datang Mobile Communications Equipment Co., Ltd. - Applicants: Datang Mobile Communications Equipment Co., Ltd. - Inventors: Xue Yan; Meng Xu; Jing Liang - Web page: https://patentgrep.com/patent/US12004109B2 ## CPC - H04W 56/0045: {compensating for timing error by altering transmission time} - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04B 7/06964: {Re-selection of one or more beams after beam failure} - H04W 56/001: {Synchronization between nodes} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04W 76/15: Setup of multiple wireless link connections - H04W 76/19: Connection re-establishment - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present application provides a communication method and apparatus, and a device and a medium in a deactivated state of a secondary cell group. The method includes: determining signal measurement and/or timing of a terminal for a secondary cell group (SCG) and/or a primary SCG cell (PSCell) of the SCG when the SCG is in a deactivated state; reconfiguring the signal measurement and/or the timing according to first information if the first information is acquired; where the first information indicates a communication status between the terminal and the PSCell related to the signal measurement and/or the timing, or, the first information is instruction information of a network device received by the terminal. ## Claims ### Claim 1 A communication method in a deactivated state of a secondary cell group (SCG), applied to a terminal, wherein the method comprises: determining signal measurement and/or timing of the SCG and/or a primary SCG cell (PSCell) of the SCG when the SCG is in the deactivated state; reconfiguring the signal measurement and/or the timing according to first information if the first information is acquired; wherein the first information indicates a communication status between the terminal and the PSCell related to the signal measurement and/or the timing, or, the first information is instruction information of a network device received by the terminal; wherein the signal measurement comprises beam failure detection of the PSCell, and the first information indicates that the terminal detects a beam failure of the PSCell. ### Claim 2 (depends on 1) The method according to claim 1, wherein the reconfiguring the signal measurement and/or the timing according to the first information comprises: if the signal measurement further comprises one or more of the following of the PSCell: beam failure recovery, sounding reference signal (SRS) transmission, channel state information reference signal (CSI-RS) measurements and/or reporting, radio resource management (RRM) measurements based on SCG measurement configuration, RLM measurements, and/or, the timing comprises uplink timing advance timer (TAT) operation of the PSCell, stopping one or more executions of the signal measurement and/or the timing according to the first information; and/or, if the signal measurement further comprises one or more of the following of the SCG: beam failure recovery, beam failure detection, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, and/or, the timing comprises uplink TAT operation of the SCG, stopping one or more executions of the signal measurement and/or the timing of the SCG, or one or more executions of the signal measurement and/or the timing of the PSCell in the SCG and/or a specified secondary cell SCell in the SCG, according to the first information. ### Claim 3 (depends on 1) The method according to claim 1, wherein the method further comprises at least one of the following cases: a first case: the timing comprises uplink timing advance timer (TAT) operation of the PSCell, and the first information indicates that an uplink TAT of the PSCell expires; a second case: the signal measurement includes beam failure recovery of the PSCell, and the first information indicates that the terminal completes the beam failure recovery for the PSCell successfully; and/or, the timing includes uplink TAT operation of the PSCell, and the first information indicates that the terminal restarts an uplink TAT for the PSCell; a third case: the signal measurement includes one or more of the following: radio resource management (RRM) measurement for the SCG, radio link monitoring (RLM) measurement for the PSCell, channel state information reference signal (CSI-RS) measurement for the SCG and/or the PSCell, and the first information indicates that a timer of one or more of the signal measurement expires; or a fourth case: the signal measurement includes one or more of the following: RRM measurement for the SCG, RLM measurement for the PSCell, CSI-RS measurement for the SCG and/or the PSCell, and the first information is instruction information related to one or more of the signal measurement received by the terminal and sent by the network device. ### Claim 4 (depends on 3) The method according to claim 3, wherein for the first case, the reconfiguring the signal measurement and/or the timing according to the first information comprises: if the signal measurement comprises one or more of the following of the PSCell: beam failure detection, beam failure recovery, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, stopping one or more executions of the signal measurement and/or the timing according to the first information; and/or, if the signal measurement comprises one or more of the following of the SCG: beam failure detection, beam failure recovery, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, and/or the timing comprises uplink TAT operation of the SCG, stopping one or more executions of the signal measurement and/or the timing of the SCG, or one or more executions of the signal measurement and/or the timing of the PSCell in the SCG and/or a specified SCell in the SCG, according to the first information. ### Claim 5 (depends on 1) The method according to claim 1, wherein the signal measurement further comprises one or more of the following: RRM measurement for the SCG, RLM measurement for the PSCell, CSI-RS measurement for the SCG and/or the PSCell; the reconfiguring the signal measurement and/or the timing according to the first information comprises: for one or more of the signal measurement, if a measurement cycle of the signal measurement is a first cycle, switching the measurement cycle of the signal measurement from the first cycle to a second cycle according to the first information; or for one or more of the signal measurement, if the measurement cycle of the signal measurement is a second cycle, switching the measurement cycle of the signal measurement from the second cycle to a first cycle according to the first information; wherein the first cycle is greater than the second cycle. ### Claim 6 (depends on 3) The method according to claim 3, wherein for the second case, the signal measurement further comprises one or more of the following: RRM measurement for the SCG, RLM measurement for the PSCell, CSI-RS measurement for the SCG and/or the PSCell; the reconfiguring the signal measurement and/or the timing according to the first information comprises: for one or more of the signal measurement, if a measurement cycle of the signal measurement is a second cycle, switching the measurement cycle of the signal measurement from the second cycle to a first cycle according to the first information; or for one or more of the signal measurement, if a measurement cycle of the signal measurement is a first cycle, switching the measurement cycle of the signal measurement from the first cycle to a second cycle according to the first information; wherein the first cycle is greater than the second cycle. ### Claim 7 A communication method in a deactivated state of a secondary cell group (SCG), applied to a terminal, wherein the method comprises: determining signal measurement and/or timing of the SCG and/or a primary SCG cell (PSCell) of the SCG when the SCG is in the deactivated state; reconfiguring the signal measurement and/or the timing according to first information if the first information is acquired; wherein the first information indicates a communication status between the terminal and the PSCell related to the signal measurement and/or the timing, or, the first information is instruction information of a network device received by the terminal; wherein the signal measurement comprises radio link monitoring (RLM) measurement of the PSCell, and the first information indicates that the terminal detects that a radio link failure occurs in the PSCell. ### Claim 8 (depends on 3) The method according to claim 3, wherein for the third case, the reconfiguring the signal measurement and/or the timing according to the first information comprises: if a measurement cycle of the signal measurement which expires is a second cycle, switching the measurement cycle of the signal measurement which expires from the second cycle to a first cycle according to the first information: or, if a measurement cycle of the signal measurement which expires is a first cycle, switching the measurement cycle of the signal measurement which expires from the first cycle to a second cycle according to the first information; wherein the first cycle is greater than the second cycle. ### Claim 9 (depends on 3) The method according to claim 3, wherein for the fourth case, the reconfiguring the signal measurement and/or the timing according to the first information comprises: for one or more of the signal measurement indicated by the first information, if a measurement cycle of the signal measurement is a second cycle, switching the measurement cycle of the signal measurement from the second cycle to a first cycle according to the first information; or for one or more of the signal measurement indicated by the first information, if a measurement cycle of the signal measurement is the first cycle, switching the measurement cycle of the signal measurement from the first cycle to a second cycle according to the first information; wherein the first cycle is greater than the second cycle. ### Claim 10 A terminal, comprising: a memory, a transceiver, and a processor; the memory being configured to store a computer program; the transceiver being configured to send and receive data under control of the processor; the processor being configured to read the computer program in the memory and execute the following operations: determining signal measurement and/or timing of a secondary cell group (SCG) and/or a primary SCG cell (PSCell) of the SCG when the SCG is in a deactivated state; reconfiguring the signal measurement and/or timing according to first information if the first information is acquired; wherein the first information indicates a communication status between the terminal and the PSCell related to the signal measurement and/or the timing, or, the first information is instruction information of a network device received by the terminal; wherein the signal measurement comprises beam failure detection of the PSCell, and the first information indicates that the terminal detects a beam failure of the PSCell. ### Claim 11 (depends on 10) The terminal according to claim 10, wherein the processor is configured to: if the signal measurement further comprises one or more of the following of the PSCell: beam failure recovery, sounding reference signal (SRS) transmission, channel state information reference signal (CSI-RS) measurement and/or reporting, radio resource management (RRM) measurement based on SCG measurement configuration, RLM measurement, and/or, the timing comprises uplink timing advance timer (TAT) operation of the PSCell, stop one or more executions of the signal measurement and/or the timing according to the first information; and/or, if the signal measurement further comprises one or more of the following of the SCG: beam failure recovery, beam failure detection, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, and/or, the timing comprises uplink TAT operation of the SCG, stop one or more executions of the signal measurement and/or the timing of the SCG, or one or more executions of the signal measurement and/or the timing of the PSCell in the SCG and/or a specified secondary cell SCell in the SCG, according to the first information. ### Claim 12 (depends on 10) The terminal according to claim 10, wherein the timing comprises uplink TAT operation of the PSCell, and the first information indicates that an uplink TAT of the PSCell expires. ### Claim 13 (depends on 12) The terminal according to claim 12, wherein the processor is configured to: if the signal measurement comprises one or more of the following of the PSCell: beam failure detection, beam failure recovery, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, stop one or more executions of the signal measurement and/or the timing according to the first information; and/or, if the signal measurement comprises one or more of the following of the SCG: beam failure detection, beam failure recovery, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, and/or the timing comprises uplink TAT operation of SCG, stop one or more executions of the signal measurement and/or the timing of the SCG, or one or more executions of the signal measurement and/or the timing of the PSCell in the SCG and/or a specified SCell in the SCG, according to the first information. ### Claim 14 (depends on 7) The method according to claim 7, wherein the reconfiguring the signal measurement and/or the timing according to the first information comprises: if the signal measurement further comprises one or more of the following of the PSCell: beam failure detection, beam failure recovery, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, and/or the timing comprises uplink TAT operation of the PSCell, stopping one or more executions of the signal measurement and/or the timing according to the first information; and/or, if the signal measurement further comprises one or more of the following of the SCG: beam failure detection, beam failure recovery, SRS transmission, CSI-RS measurement and/or reporting, RRM measurement based on SCG measurement configuration, RLM measurement, and/or the timing comprises uplink TAT operation of the SCG, stopping one or more executions of the signal measurement and/or the timing of the SCG, or one or more executions of the signal measurement and/or the timing of the PSCell in the SCG and/or a specified SCell in the SCG, according to the first information.