# US 11,122,455 B2 · Method for positioning terminal in wireless communication system and apparatus therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,122,455 B2 - Document ID: US11122455B2 - Status: Granted - Kind: B2 - Application number: 16/489,192 - Filed: 2018-02-26 - Published: 2019-12-12 - Granted: 2021-09-14 - Earliest claimed: 2017-02-28 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Sangrim Lee; Myeongjin Kim; Hojae Lee; Minki Ahn - Web page: https://patentgrep.com/patent/US11122455B2 ## CPC - G01S 5/0036: {of measured values, i.e. measurement on mobile and position calculation on base station} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - G01S 5/0221: {Receivers} - G01S 5/0226: {Transmitters} - H04B 7/06952: {Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping} - H04B 7/088: {using beam selection} - H04J 4/00: Combined time-division and frequency-division multiplex systems (H04J13/00 takes precedence {; data transmission H04L5/26; telemetry G08C15/00}) - H04L 43/0811: by checking connectivity - H04L 43/0852: Delays - H04L 43/0882: Utilisation of link capacity - H04L 43/0894: Packet rate - H04W 16/28: using beam steering - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - 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 - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method for measuring and reporting, by a terminal, a positioning reference signal (PRS) in a wireless communication system according to one embodiment of the present invention comprises the steps of: measuring a plurality of positioning reference signals (PRSs) to which beamforming is applied; and reporting, to a base station, measurement results for at least two of the plurality of PRSs, wherein the plurality of PRSs are received via different transmission beams, and the terminal may report, to the base station, at least one from among transmission beam identification information indicating through which transmission beam each of the at least two PRSs has been received and resource identification information indicating through which resource each of the at least two PRSs has been received, together with the measurement results. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, a base station or a network. ## Claims ### Claim 1 A method of measuring and reporting a positioning reference signal (PRS) by a user equipment (UE) in a wireless communication system, the method comprising: measuring multiple PRSs to which beamforming is applied based on transmitting a PRS request to a base station (BS); and reporting measurement results of at least two PRSs among the multiple PRSs to the the BS, wherein the multiple PRSs are received in different transmission beams, and wherein the PRS request includes identification information on transmission beams preferred by the UE or information on resources preferred by the UE, and wherein the UE reports to the BS identification information related to each of the measurement results. ### Claim 2 (depends on 1) The method of claim 1, wherein transmission beam identification information indicating in which transmission beam each of the at least two PRSs is received or resource identification information indicating in which resource each of the at least two PRSs is received is reported to the BS by being paired with a measurement result of a corresponding PRS. ### Claim 3 (depends on 1) The method of claim 1, wherein the UE receives the multiple PRSs through beam sweeping of multiple reception beams, and wherein the UE reports to the BS reception beam identification information indicating in which reception beam each of the at least two PRSs is received, together with the measurement results. ### Claim 4 (depends on 1) The method of claim 1, wherein the UE selects K PRSs with the highest reception power from among the multiple PRSs and further reports information related to the selected K PRSs. ### Claim 5 (depends on 1) The method of claim 1, wherein multiple transmission beams corresponding to the multiple PRSs are formed on different resources. ### Claim 6 (depends on 1) The method of claim 1, wherein multiple beams corresponding to the multiple PRSs are time division multiplexed (TDM) by independent beam sweeping, frequency division multiplexed (FDM) on a same time resource, or multiplexed using a hybrid of time division multiplexing (TDM) and frequency division multiplexing (FDM) based on beam-group sweeping. ### Claim 7 (depends on 1) The method of claim 1, wherein the measurement results reported to the BS include reception power values related to each of the at least two PRSs or one or more reception time difference value(s) between the at least two PRSs. ### Claim 8 A user equipment (UE) for measuring and reporting a positioning reference signal (PRS), the UE comprising: a receiver; a transmitter; and a processor configured to control the receiver, measure multiple PRSs to which beamforming is applied based on transmitting a PRS request to a base station (BS) and control the transmitter to report measurement results of at least two PRSs among the multiple PRSs to the BS, wherein the multiple PRSs are received in different transmission beams, and wherein the processor is further configured to report to the BS identification information related to the measurement results. ### Claim 9 (depends on 8) The UE of claim 8, wherein transmission beam identification information indicating in which transmission beam each of the at least two PRSs is received or resource identification information indicating in which resource each of the at least two PRSs is received is reported to the BS by being paired with a measurement result of a corresponding PRS. ### Claim 10 (depends on 8) The UE of claim 8, wherein the processor is further configured to receive the multiple PRSs through beam sweeping of multiple reception beams, and to report to the BS reception beam identification information indicating in which reception beam each of the at least two PRSs is received, together with the measurement results. ### Claim 11 (depends on 8) The UE of claim 8, wherein the processor is further configured to select K PRSs with the highest reception power from among the multiple PRSs and report information related to the selected K PRSs. ### Claim 12 (depends on 8) The UE of claim 8, wherein the UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.