# US 11,310,767 B2 · Paging message transmission method and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,767 B2 - Document ID: US11310767B2 - Status: Granted - Kind: B2 - Application number: 17/015,438 - Filed: 2020-09-09 - Published: 2020-12-24 - Granted: 2022-04-19 - Earliest claimed: 2018-03-31 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Xiangdong Zhang; Junren Chang - Web page: https://patentgrep.com/patent/US11310767B2 ## CPC - H04W 68/00: User notification, e.g. alerting and paging, for incoming communication, change of service or the like - H04W 68/02: Arrangements for increasing efficiency of notification or paging channel - H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]} - H04B 7/088: {using beam selection} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION ## Abstract This application provides a paging message transmission method and relates to the field of communications technologies, to resolve a problem of waste of a downlink time-frequency resource. The method includes: determining, by a network device, that a communications device is in a beam update mode; then determining, by the network device, a second beam based on beam information reported by the communications device, where the beam information includes information about at least one receive beam, and the information about the at least one receive beam includes information about the second beam; and finally sending, by the network device, a paging message to the communications device over a first beam, where the first beam corresponds to the second beam. This application is applicable to a paging message transmission process. ## Claims ### Claim 1 A paging message transmission method, comprising: enabling, by a communications device, a beam update mode when a first preset condition is met; reporting, by the communications device, beam information, wherein the beam information comprises information about at least one receive beam, and the information about the at least one receive beam comprises information about a second beam; and receiving, by the communications device, a paging message over the second beam, wherein the first preset condition comprises at least one of the following: a best receive beam of the communications device does not change within a preset duration, wherein the best receive beam is a receive beam with a best received signal quality; a frequency at which the best receive beam of the communications device changes is less than or equal to a first preset frequency; or the communications device has received a first indication message sent by a network device, wherein the first indication message is used to indicate to the communications device to enable the beam update mode. ### Claim 2 (depends on 1) The paging message transmission method according to claim 1, wherein after the enabling, by the communications device, the beam update mode when the first preset condition is met, the method further comprises: exiting, by the communications device, the beam update mode when a second preset condition is met; wherein the second preset condition comprises at least one of the following: the communications device executes a low latency service; the frequency at which the best receive beam of the communications device changes is greater than or equal to a second preset frequency; and/or the communications device has received a second indication message sent by the network device, wherein the second indication message is used to indicate to the communications device to exit the beam update mode. ### Claim 3 (depends on 1) The paging message transmission method according to claim 1, wherein the beam information is reported when a fourth preset condition is met, wherein the fourth preset condition includes at least one of following conditions: the best receive beam of the communications device has changed; or the communications device does not report the beam information to the network device within a second preset duration. ### Claim 4 (depends on 1) The paging message transmission method according to claim 1, further comprising: detecting, by the communication device, a signal quality of a receive beam; generating, by the communication device, the beam information based on information about a receive beam that meets a preset rule. ### Claim 5 (depends on 1) The paging message transmission method according to claim 1, further comprising: detecting, by the communication device, a signal quality of a receive beam; determining, by the communication device, a receive beam that meets a preset rule; determining, based on pre-stored beam pair information, a transmit beam corresponding to the receive beam that meets the preset rule; and generating, by the communication device, the beam information based on information of the transmit beam corresponding to the receive beam that meets the preset rule. ### Claim 6 (depends on 4) The paging message transmission method according to claim 4, wherein the preset rule includes one of the following: a signal quality of the receive beam is greater than a preset value; or the receive beam is ranked among top n beams in terms of signal quality, where n is a natural number. ### Claim 7 A paging message transmission method, comprising: enabling, by a communications device, a beam update mode when a first preset condition is met; reporting, by the communications device, beam information, wherein the beam information comprises information about at least one transmit beam, and the information about the at least one transmit beam comprises information about a first beam; and receiving, by the communication device, a paging message over a second beam, wherein the second beam corresponds to the first beam, wherein the first preset condition comprises at least one of the following: a best receive beam of the communications device does not change within a preset duration, wherein the best receive beam is a receive beam with a best received signal quality; a frequency at which the best receive beam of the communications device changes is less than or equal to a first preset frequency; or the communications device has received a first indication message sent by a network device, wherein the first indication message is used to indicate to the communications device to enable the beam update mode. ### Claim 8 (depends on 7) The paging message transmission method according to claim 7, wherein after the enabling, by the communications device, a beam update mode when a first preset condition is met, the method further comprises: exiting, by the communications device, the beam update mode when a second preset condition is met; wherein the second preset condition comprises at least one of the following: the communications device executes a low latency service, wherein the low latency service is a service that requires a latency to be lower than a preset value; the frequency at which the best receive beam of the communications device changes is greater than or equal to a second preset frequency; and/or the communications device has received a second indication message sent by the network device, wherein the second indication message is used to indicate to the communications device to exit the beam update mode. ### Claim 9 (depends on 7) The paging message transmission method according to claim 7, wherein the beam information is reported when a fourth preset condition is met, wherein the fourth preset condition includes at least one of following conditions: the best receive beam of the communications device has changed; or the communications device does not report the beam information to the network device within a second preset duration. ### Claim 10 (depends on 7) The paging message transmission method according to claim 7, further comprising: detecting, by the communication device, a signal quality of a receive beam; generating, by the communication device, the beam information based on information of a receive beam that meets a preset rule. ### Claim 11 (depends on 7) The paging message transmission method according to claim 7, further comprising: detecting, by the communication device, a signal quality of a receive beam; determining, by the communication device, a receive beam that meets a preset rule; determining, based on pre-stored beam pair information, a transmit beam corresponding to the receive beam that meets the preset rule; and generating, by the communication device, the beam information based on information of the transmit beam corresponding to the receive beam that meets the preset rule. ### Claim 12 (depends on 10) The paging message transmission method according to claim 10, wherein the preset rule includes one of the following: a signal quality of the receive beam is greater than a preset value; or the receive beam is ranked among top n beams in terms of signal quality, where n is a natural number. ### Claim 13 A communications device, comprising: a transmitter, configured to report beam information, wherein the beam information comprises information about at least one receive beam, and the information about the at least one receive beam comprises information about a second beam; a receiver, configured to receive a paging message over the second beam; and a processor, configured to enable a beam update mode when a first preset condition is met, wherein the first preset condition comprises at least one of the following: a best receive beam of the communications device does not change within a preset duration, wherein the best receive beam is a receive beam with a best received signal quality; a frequency at which the best receive beam of the communications device changes is less than or equal to a first preset frequency; or the communications device has received a first indication message sent by a network device, wherein the first indication message is used to indicate to the communications device to enable the beam update mode. ### Claim 14 (depends on 13) The communications device according to claim 13, wherein the processor is further configured to exit the beam update mode when a second preset condition is met; wherein the second preset condition comprises at least one of the following: the communications device executes a low latency service; the frequency at which the best receive beam of the communications device changes is greater than or equal to a second preset frequency; and the communications device has received a second indication message sent by the network device, wherein the second indication message is used to indicate to the communications device to exit the beam update mode. ### Claim 15 (depends on 13) The communications device according to claim 13, wherein the beam information is reported when a fourth preset condition is met, wherein the fourth preset condition includes at least one of following conditions: the best receive beam of the communications device has changed; or the communications device does not report the beam information to the network device within a second preset duration. ### Claim 16 (depends on 13) The communications device according to claim 13, wherein the processor is further configured to: detect a signal quality of a receive beam; generate the beam information based on information about a receive beam that meets a preset rule. ### Claim 17 (depends on 13) The communications device according to claim 13, wherein the processor is further configured to: detect a signal quality of a receive beam; determine a receive beam that meets a preset rule; determine, based on pre-stored beam pair information, a transmit beam corresponding to the receive beam that meets the preset rule; and generate the beam information based on information of the transmit beam corresponding to the receive beam that meets the preset rule. ### Claim 18 (depends on 16) The communications device according to claim 16, wherein the preset rule includes one of the following: a signal quality of the receive beam is greater than a preset value; or the receive beam is ranked among top n beams in terms of signal quality, where n is a natural number.