# US 2019/0174339 A1 · Method, user equipment, base station, and system for enhancing reliability of wireless communication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174339 A1 - Document ID: US20190174339A1 - Status: Published application - Kind: A1 - Application number: 16/272,771 - Filed: 2019-02-11 - Published: 2019-06-06 - Earliest claimed: 2016-02-04 - Assignees: Beijing Zhigu Rui Tuo Tech Co., Ltd - Applicants: Beijing Zhigu Rui Tuo Tech Co., Ltd. - Inventors: NA WEI; RAN XU - Web page: https://patentgrep.com/patent/US20190174339A1 ## CPC - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04B 17/309: Measuring or estimating channel quality parameters - H04B 17/336: Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] - H04B 17/373: Predicting channel quality {or other radio frequency [RF]} parameters - H04L 5/0023: {Time-frequency-space} - 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)} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 5/0085: {when channel conditions change} - 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 method for enhancing reliability of wireless communication, comprising: monitoring, by a user equipment (UE), quality of downlink transmission between the UE and a base station (BS); and measuring, by the UE in response to a trigger event, transmission quality of at least one beam used for the downlink transmission between the UE and the BS, wherein the trigger event is used to indicate that quality of the downlink transmission between the UE and the BS does not meet a first preset condition. The present application further discloses another method for enhancing reliability of wireless communication and a related device and system. By means of the solutions disclosed in the present application, transmission quality of a beam used for uplink/downlink transmission between a BS and a UE can be non-periodically measured based on event trigger, which improves real-time performance of detection and greatly enhances reliability of wireless communication. ## Claims ### Claim 1 A method for enhancing reliability of wireless communication, comprising: monitoring, by a base station (BS), quality of uplink transmission between a user equipment (UE) and the BS; and measuring, by the BS in response to a trigger event, transmission quality of at least one beam used for the uplink transmission between the BS and the UE, wherein the trigger event is used to indicate that quality of the uplink transmission between the BS and the UE does not meet a first preset condition. ### Claim 2 (depends on 1) The method of claim 1, wherein the measuring, by the BS, transmission quality of at least one beam used for the uplink transmission between the BS and the UE comprises: measuring, by the BS by using at least one uplink sounding reference signal (SRS), the transmission quality of the at least one beam used for the uplink transmission between the UE and the BS. ### Claim 3 (depends on 2) The method of claim 2, wherein the measuring, by the BS by using at least one uplink SRS, the transmission quality of the at least one beam used for the uplink transmission between the UE and the BS comprises: sending, by the BS, SRS trigger signaling to the UE; and measuring, by the BS according to at least one uplink SRS that is sent by the UE in response to the SRS trigger signaling, the transmission quality of the at least one beam used for the uplink transmission between the UE and the BS. ### Claim 4 (depends on 3) The method of claim 3, wherein the SRS trigger signaling carries information about the at least one beam used for the uplink transmission between the UE and the BS. ### Claim 5 (depends on 3) The method of claim 3, wherein the method further comprises: receiving, by the BS, ACK signaling sent by the UE, wherein the ACK signaling is used to indicate that the UE has received the SRS trigger signaling. ### Claim 6 (depends on 1) The method of claim 1, wherein the trigger event comprises at least one of the following events: transmission quality of an active beam used for the uplink transmission between the UE and the BS does not meet a second preset condition; transmission quality of a standby beam used for the uplink transmission between the UE and the BS does not meet a third preset condition; a time interval from a latest measurement of the transmission quality of the at least one beam used for the uplink transmission between the UE and the BS does not meet a fourth preset condition; and a latency change of a channel used for the uplink transmission between the UE and the BS does not meet a fifth preset condition. ### Claim 7 (depends on 1) The method of claim 1, wherein the uplink transmission between the UE and the BS comprises: uplink data transmission between the UE and the BS; and/or uplink control signaling transmission between the UE and the BS. ### Claim 8 Abase station (BS) for enhancing reliability of wireless communication, comprising: a monitoring module, configured to monitor quality of uplink transmission between a user equipment (UE) and the BS; and a measurement module, configured to measure, in response to a trigger event, transmission quality of at least one beam used for the uplink transmission between the BS and the UE, wherein the trigger event is used to indicate that quality of the uplink transmission between the BS and the UE does not meet a first preset condition. ### Claim 9 (depends on 8) The BS of claim 8, wherein the measurement module comprises: a measurement submodule, configured to measure, by using at least one uplink sounding reference signal (SRS), the transmission quality of the at least one beam used for the uplink transmission between the UE and the BS. ### Claim 10 (depends on 9) The BS of claim 9, wherein the measurement submodule comprises: a sending unit, configured to send SRS trigger signaling to the UE; and a measurement unit, configured to measure, according to at least one uplink SRS that is sent by the UE in response to the SRS trigger signaling, the transmission quality of the at least one beam used for the uplink transmission between the UE and the BS. ### Claim 11 (depends on 10) The BS of claim 10, wherein the measurement submodule further comprises: a receiving unit, configured to receive ACK signaling sent by the UE, wherein the ACK signaling is used to indicate that the UE has received the SRS trigger signaling. ### Claim 12 Abase station (BS) for enhancing reliability of wireless communication, comprising a processor and a memory, wherein the memory is configured to store an instruction, and the processor is configured to execute the instruction, to perform the following steps: monitoring quality of uplink transmission between a user equipment (UE) and the BS; and measuring, in response to a trigger event, transmission quality of at least one beam used for the uplink transmission between the BS and the UE, wherein the trigger event is used to indicate that quality of the uplink transmission between the BS and the UE does not meet a first preset condition. ### Claim 13 (depends on 8) A system for enhancing reliability of wireless communication, comprising a user equipment (UE) and the base station (BS) of claim 8.