# US 12,015,965 B2 · Apparatus and user equipment positioning method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,965 B2 - Document ID: US12015965B2 - Status: Granted - Kind: B2 - Application number: 17/475,618 - Filed: 2021-09-15 - Published: 2022-01-06 - Granted: 2024-06-18 - Earliest claimed: 2019-03-15 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Jinping Hao; Su Huang; Lei Chen; Shuigen Yang - Web page: https://patentgrep.com/patent/US12015965B2 ## CPC - H04W 4/025: {using location based information parameters} - H04W 4/029: Location-based management or tracking services - G01S 5/0036: {of measured values, i.e. measurement on mobile and position calculation on base station} - G01S 5/0081: {Transmission between base stations} - G01S 5/0236: {Assistance data, e.g. base station almanac} - G01S 5/02521: {using a radio-map} - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - H04W 88/18: Service support devices; Network management devices - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ## Abstract In an example positioning method, a first network device receives first measurement information of at least one first access network device and first assistance information, where the first measurement information is obtained by a terminal device by measuring a signal sent from the at least one first access network device. The first network device determines position information of the terminal device based on the first assistance information and the first measurement information. ## Claims ### Claim 1 A terminal device positioning method, comprising: receiving, by a first network device, first assistance information of at least one first access network device; receiving, by the first network device, first measurement information sent from a terminal device, wherein the first measurement information is obtained by the terminal device by measuring a signal sent from the at least one first access network device, wherein the first measurement information comprises reference signal received power (RSRP) information, and wherein the RSRP information comprises at least one of RSRPs in directions of a plurality of beams of the at least one first access network device or information determined based on the RSRPs; and determining, by the first network device, position information of the terminal device based on the first assistance information and the first measurement information, wherein the first assistance information comprises the directions of the plurality of beams of the at least one first access network device. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: sending, by the first network device, the position information of the terminal device to an access and mobility management function (AMF) apparatus or a location management function (LMF) apparatus. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first assistance information is sent by each first access network device of the at least one first access network device to the first network device after each first access network device of the at least one first access network device receives at least one of an identifier of the first network device or an identifier of a first cell sent by a location management function (LMF) apparatus, and wherein the first cell is a cell in which the terminal device is located and that is in one or more cells covered by the first network device. ### Claim 4 (depends on 1) The method according to claim 1, wherein the first network device is a location management function (LMF) apparatus. ### Claim 5 (depends on 1) The method according to claim 1, wherein before the receiving, by a first network device, first assistance information of at least one first access network device, the method further comprises: sending, by the first network device, assistance information request information to an ith first access network device in the at least one first access network device, wherein the assistance information request information is used to request first assistance information of the ith first access network device, and wherein i is a positive integer greater than or equal to 1. ### Claim 6 (depends on 1) The method according to claim 1, wherein the first measurement information further comprises at least one of received signal strength indicator (RSSI) information, received signal strength (RSS) information, or reference signal received quality (RSRQ) information. ### Claim 7 (depends on 1) The method according to claim 1, further comprising: sending, by the at least one first access network device, the first assistance information to the first network device. ### Claim 8 (depends on 1) The method according to claim 1, further comprising: sending, by the at least one first access network device, the signal to the terminal device. ### Claim 9 A communications apparatus, wherein the communications apparatus comprises at least one processor and one or more memories, and wherein the one or more memories are coupled to the at least one processor and store programming instructions for execution by the at least one processor to perform operations comprising: receiving first assistance information of at least one first access network device; receiving first measurement information sent from a terminal device, wherein the first measurement information is obtained by the terminal device by measuring a signal sent from the at least one first access network device, wherein the first measurement information comprises reference signal received power (RSRP) information, and wherein the RSRP information comprises at least one of RSRPs in directions of a plurality of beams of the at least one first access network device or information determined based on the RSRPs; and determining position information of the terminal device based on the first assistance information and the first measurement information, wherein the first assistance information comprises the directions of the plurality of beams of the at least one first access network device. ### Claim 10 (depends on 9) The communications apparatus according to claim 9, the operations further comprising: sending the position information of the terminal device to an access and mobility management function (AMF) apparatus or a location management function (LMF) apparatus. ### Claim 11 (depends on 9) The communications apparatus according to claim 9, wherein the first assistance information is sent by each first access network device of the at least one first access network device to the communications apparatus after each first access network device of the at least one first access network device receives at least one of an identifier of the communications apparatus or an identifier of a first cell sent by a location management function (LMF) apparatus, and wherein the first cell is a cell in which the terminal device is located and that is in one or more cells covered by the communications apparatus. ### Claim 12 (depends on 9) The communications apparatus according to claim 9, wherein the communications apparatus is a location management function (LMF) apparatus. ### Claim 13 (depends on 9) The communications apparatus according to claim 9, wherein the operations further comprising: before the receiving first assistance information of at least one first access network device, sending assistance information request information to an ith first access network device in the at least one first access network device, wherein the assistance information request information is used to request first assistance information of the ith first access network device, and wherein i is a positive integer greater than or equal to 1. ### Claim 14 (depends on 9) The communications apparatus according to claim 9, wherein the first measurement information further comprises at least one of received signal strength indicator (RSSI) information, received signal strength (RSS) information, or reference signal received quality (RSRQ) information. ### Claim 15 (depends on 9) The communications apparatus according to claim 9, wherein the communications apparatus is a network device or a chip. ### Claim 16 A non-transitory computer-readable storage medium comprising instructions which, when executed by one or more processors of a communications apparatus, cause the one or more processors to perform operations comprising: receiving first assistance information of at least one first access network device; receiving first measurement information sent from a terminal device, wherein the first measurement information is obtained by the terminal device by measuring a signal sent from the at least one first access network device, wherein the first measurement information comprises reference signal received power (RSRP) information, and wherein the RSRP information comprises at least one of RSRPs in directions of a plurality of beams of the at least one first access network device or information determined based on the RSRPs; and determining position information of the terminal device based on the first assistance information and the first measurement information, wherein the first assistance information comprises the directions of the plurality of beams of the at least one first access network device. ### Claim 17 (depends on 16) The non-transitory computer-readable storage medium according to claim 16, the operations further comprising: sending the position information of the terminal device to an access and mobility management function (AMF) apparatus or a location management function (LMF) apparatus. ### Claim 18 (depends on 16) The non-transitory computer-readable storage medium according to claim 16, wherein the first assistance information is sent by each first access network device of the at least one first access network device to the communications apparatus after each first access network device of the at least one first access network device receives at least one of an identifier of the communications apparatus or an identifier of a first cell sent by a location management function (LMF) apparatus, and wherein the first cell is a cell in which the terminal device is located and that is in one or more cells covered by the communications apparatus. ### Claim 19 (depends on 16) The non-transitory computer-readable storage medium according to claim 16, wherein the operations further comprising: before the receiving first assistance information of at least one first access network device, sending assistance information request information to an ith first access network device in the at least one first access network device, wherein the assistance information request information is used to request first assistance information of the ith first access network device, and wherein i is a positive integer greater than or equal to 1. ### Claim 20 (depends on 16) The non-transitory computer-readable storage medium according to claim 16, wherein the first measurement information further comprises at least one of received signal strength indicator (RSSI) information, received signal strength (RSS) information, or reference signal received quality (RSRQ) information.