# US 2022/0279367 A1 · Apparatus and method for localization of terminal in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0279367 A1 - Document ID: US20220279367A1 - Status: Published application - Kind: A1 - Application number: 17/608,006 - Filed: 2020-04-29 - Published: 2022-09-01 - Earliest claimed: 2019-05-02 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: June HWANG; Soenghun KIM - Web page: https://patentgrep.com/patent/US20220279367A1 ## CPC - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - G01S 5/0036: {of measured values, i.e. measurement on mobile and position calculation on base station} - G01S 5/0236: {Assistance data, e.g. base station almanac} - 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 4/029: Location-based management or tracking services - G01S 5/10: Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements {, e.g. omega or decca systems}(G01S5/12 takes precedence {; beacons and receivers cooperating therewith G01S1/306, G01S1/308}) - G01S 2205/007: for management of a communication system - H04W 16/28: using beam steering - 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 - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments of the disclosure, an operation method of a terminal in a wireless communication system includes: receiving positioning reference signal (PRS) configuration information related to a reference cell and one or more neighboring cells with respect to the terminal; receiving a message for requesting PRS measurement; in response to the receiving of the message, determining, based on the PRS configuration information, an RSTD between transmission time of a PRS received through a first beam of the reference cell, and transmission time of a PRS received through a second beam of each of the one or more neighboring cells; and transmitting measurement information including the RSTD to a base station. ## Claims ### Claim 1 A method performed by a terminal in a wireless communication system, the method comprising: receiving, from a base station, positioning reference signal (PRS) configuration information related to a reference cell and one or more neighboring cells of the terminal; receiving, from the base station, a message for requesting PRS measurement; identifying, based on the PRS configuration information, a reference signal timing difference (RSTD) between transmission time of a PRS received via a first beam of the reference cell and transmission time of a PRS received via a second beam of each of the one or more neighboring cells; and transmitting, to the base station, measurement information including the RSTD. ### Claim 2 (depends on 1) The method of claim 1, further comprising: transmitting a request message for requesting the PRS configuration information, wherein the PRS configuration information is received by the terminal through a response message to the request message. ### Claim 3 (depends on 1) The method of claim 1, wherein the first beam comprises a beam having a shortest time for the PRS transmission, or a beam having a strongest signal strength for the PRS reception, the beam being selected by the terminal from among multiple beams of the reference cell; and wherein the second beam comprises a beam having the shortest time for the PRS transmission, or a beam having the strongest signal strength for the PRS reception, the beam being selected by the terminal from among multiple of beams of each of the one or more neighboring cells. ### Claim 4 (depends on 1) The method of claim 1, wherein the PRS configuration information comprises an indicator for indicating the first beam and an indicator for indicating the second beam, wherein the indicator for indicating the first beam and the indicator for indicating the second beam comprise a beam index or a PRS block index. ### Claim 5 (depends on 1) The method of claim 1, further comprising: receiving a measurement configuration from the base station; identifying, based on the measurement configuration, a reception signal strength for multiple beams of the reference cell, and a reception signal strength for multiple beams of each of the one or more neighboring cells; transmitting, to the base station, a measurement report including the reception signal strength for the multiple beams of the reference cell and the reception signal strength for the multiple beams of each of the one or more neighboring cells; and receiving, from the base station, a message including an indicator for indicating the first beam selected based on the measurement report, and an indicator for indicating the second beam selected based on the measurement report. ### Claim 6 (depends on 1) The method of claim 1, further comprising: receiving, from the base station, a 1-bit indicator for requesting beam-level measurement; and transmitting, to the base station, based on the beam-level measurement, measurement information including at least one of reference signal received power (RSRP), reference signal received quality (RSRQ), or a transmission-reception timing difference for the first beam, a cell identifier (ID) of a cell related to the first beam, or a beam ID of the first beam. ### Claim 7 A method performed by a location management function (LMF) device in a wireless communication system, the method comprising: transmitting, to a base station, positioning reference signal (PRS) configuration information related to a reference cell and one or more neighboring cells of a terminal; transmitting, to the base station, a message for requesting PRS measurement by the terminal; receiving measurement information including a reference signal timing difference (RSTD) between transmission time of a PRS received via a first beam of the reference cell and transmission time of a PRS received via a second beam of the each of one or more neighboring cells, wherein the RSTD is determined based on the PRS configuration information; and identifying a location of the terminal, based on the RSTD. ### Claim 8 (depends on 7) The method of claim 7, further comprising: receiving a request message for requesting the PRS configuration information, wherein the PRS configuration information is transmitted to the terminal through a response message to the request message. ### Claim 9 (depends on 7) The method of claim 7, wherein the first beam comprises a beam having a shortest time for the PRS transmission, or a beam having a strongest signal strength for the PRS reception, the beam being selected by the terminal from among multiple beams of the reference cell; and wherein the second beam comprises a beam having the shortest time for the PRS transmission, or a beam having the strongest signal strength for the PRS reception, the beam being selected by the terminal from among multiple beams of each of the one or more neighboring cells. ### Claim 10 (depends on 7) The method of claim 7, wherein the PRS configuration information comprises an indicator for indicating the first beam, and an indicator for indicating the second beam, wherein the indicator for indicating the first beam and the indicator for indicating the second beam comprise a beam index and a PRS block index. ### Claim 11 (depends on 7) The method of claim 7, further comprising: receiving, from the base station, a measurement report including a reception signal strength for multiple beams of the reference cell, and a reception signal strength for multiple beams of each of the one or more neighboring cells; identifying, based on the measurement report, the first beam among the multiple beams of the reference cell and the second beam among the multiple beams of each of the one or more neighboring cells; and transmitting, to the base station, a message including an indicator for indicating the first beam and an indicator for indicating the second beam. ### Claim 12 (depends on 7) The method of claim 7, further comprising: transmitting, to the base station, a 1-bit indicator for requesting beam-level measurement by the terminal; and receiving, from the base station, measurement information including at least one of reference signal received power (RSRP), reference signal received quality (RSRQ), and a transmission-reception timing difference with respect to the first beam, a cell identifier (ID) of a cell related to for the first beam, or a beam ID of the first beam. ### Claim at position 13 -14. (canceled) ### Claim 15 A terminal in a wireless communication system, the terminal comprising: at least one transceiver; and at least one processor connected with the transceiver, wherein the at least one processor is configured to: receive, from a base station, positioning reference signal (PRS) configuration information related to a reference cell and one or more neighboring cells of the terminal, receive, from the base station, a message for requesting PRS measurement, identify, based on the PRS configuration information, a reference signal timing difference (RSTD) between transmission time of a PRS received via a first beam of the reference cell and transmission time of a PRS received via a second beam of each of the one or more neighboring cells, and transmit, to the base station, measurement information including the RSTD to a base station. ### Claim 16 (depends on 15) The terminal of claim 15, wherein the at least one processor is further configured to: transmit a request message for requesting the PRS configuration information, wherein the PRS configuration information is received by the terminal through a response message to the request message. ### Claim 17 (depends on 15) The terminal of claim 15, wherein the first beam comprises a beam having a shortest time for the PRS transmission, or a beam having a strongest signal strength for the PRS reception, the beam being selected by the terminal from among multiple beams of the reference cell, and wherein the second beam comprises a beam having the shortest time for the PRS transmission, or a beam having the strongest signal strength for the PRS reception, the beam being selected by the terminal from among multiple of beams of each of the one or more neighboring cells. ### Claim 18 (depends on 15) The terminal of claim 15, wherein the PRS configuration information comprises an indicator for indicating the first beam and an indicator for indicating the second beam, and wherein the indicator for indicating the first beam and the indicator for indicating the second beam comprise a beam index or a PRS block index. ### Claim 19 (depends on 15) The terminal of claim 15, wherein the at least one processor is further configured to: receive a measurement configuration from the base station, identify, based on the measurement configuration, a reception signal strength for multiple beams of the reference cell, and a reception signal strength for multiple beams of each of the one or more neighboring cells, transmit, to the base station, a measurement report including the reception signal strength for the multiple beams of the reference cell and the reception signal strength for the multiple beams of each of the one or more neighboring cells, and receive, from the base station, a message including an indicator for indicating the first beam selected based on the measurement report, and an indicator for indicating the second beam selected based on the measurement report. ### Claim 20 (depends on 15) The terminal of claim 15, wherein the at least one processor is further configured to: receive, from the base station, a 1-bit indicator for requesting beam-level measurement, and transmit, to the base station, based on the beam-level measurement, measurement information including at least one of reference signal received power (RSRP), reference signal received quality (RSRQ), or a transmission-reception timing difference for the first beam, a cell identifier (ID) of a cell related to the first beam, or a beam ID of the first beam, to the base station.