# US 2024/0179583 A1 · Methods and apparatus for supporting positioning service continuity > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0179583 A1 - Document ID: US20240179583A1 - Status: Published application - Kind: A1 - Application number: 18/284,613 - Filed: 2022-03-28 - Published: 2024-05-30 - Earliest claimed: 2021-03-30 - Assignees: InterDigital Patent Holdings, Inc. - Applicants: InterDigital Patent Holdings, Inc. - Inventors: Jaya RAO; Fumihiro HASEGAWA; Tuong HOANG; Aata EL HAMSS; Moon IL LEE; Ghyslain PELLETIER; Paul MARINIER - Web page: https://patentgrep.com/patent/US20240179583A1 ## CPC - H04W 36/0058: {Transmission of hand-off measurement information, e.g. measurement reports} - G01S 5/0036: {of measured values, i.e. measurement on mobile and position calculation on base station} - G01S 5/0205: {Details} - G01S 5/0236: {Assistance data, e.g. base station almanac} - G01S 5/0268: {by deriving positions from different combinations of signals or of estimated positions in a single positioning system} - 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 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - 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 disclosure pertains to methods and apparatus for supporting positioning service continuity. One representative method includes receiving, by a wireless transmit/receive unit (WTRU), a configuration for supporting positioning service continuity during a handover. The method additionally includes supporting, by the WTRU, positioning service continuity according to the configuration at least in part by determining one or more transmissions to be performed. The method also includes assisting a radio access network with a data link handover by performing the one or more transmissions according to the configuration. ## Claims ### Claim 1 A method implemented by a wireless transmit/receive unit (WTRU), the method comprising: receiving information indicating: (1) a first Positioning Reference Signal (PRS) configuration associated with a first cell, (2) a second PRS configuration associated with a second cell, and (3) a measurement gap (MG) configuration; performing first PRS measurements on a first transmission from the first cell using the first PRS configuration and the MG configuration; sending, to a first Network Entity (NE) associated with the first cell, a request including information indicating to maintain, after a mobility event (ME) associated with the second cell is performed, the MG configuration; and receiving information indicating: (1) to perform the ME associated with the second cell, and (2) to maintain, after the ME is performed, the MG configuration. ### Claim 2 (depends on 1) The method of claim 1, further comprising determining to send the request to the first cell indicating to maintain, after the ME is performed, the MG configuration. ### Claim 3 (depends on 21) The method of claim 21, wherein the first NE associated with the first cell and the second NE associated with the first cell are one base station or the first NE is a first base station and the second NE is a Location Management Function (LMF) entity. ### Claim 4 (depends on 20) The method of claim 20, wherein, on condition that the second PRS measurements do not satisfy a PRS ME threshold: sending, to a first NE associated with the second cell, a request for a further MG configuration; receiving, information indicating the further MG configuration; performing third PRS measurements on a transmission from the second cell using the second PRS configuration and the further MG configuration; and sending, to a second NE associated with the second cell, further information indicating any of: (1) the third PRS measurements, (2) the second PRS configuration, and/or (3) a time when the WTRU started to use the second PRS configuration. ### Claim 5 (depends on 4) The method of claim 4, wherein: the first NE associated with the first cell and the second NE associated with the first cell are a single base station or the first NE associated with the first cell is a first base station and the second NE associated with the first cell is a Location Management Function (LMF) entity; and the first NE associated with the second cell and the second NE associated with the second cell are another single base station or the first NE associated with the second cell is a second base station and the second NE associated with the second cell is the Location Management Function (LMF) entity. ### Claim 6 (depends on 1) The method of claim 1, wherein: the ME is any of: (1) a hand over; or (2) a reselection; and the method includes performing the handover or the reselection of the WTRU to the second cell. ### Claim 7 (depends on 4) The method of claim 4, wherein: the further information is included in a positioning service continuity report; and the method includes receiving a new PRS configuration or an updated PRS configuration in response to the positioning service continuity report, wherein the new PRS configuration or the updated PRS configuration is associated with a target NE or the first NE associated with the second cell. ### Claim 8 (depends on 20) The method of claim 20, wherein the performing of second PRS measurements on the first transmission or the further transmission from the first cell, after the ME is performed, using the first PRS configuration and the MG configuration includes performing of the first PRS measurements on the first transmission from the first cell using the first PRS configuration associated with the first cell after a data link handover in a coverage area of the second cell. ### Claim 9 (depends on 1) The method of claim 1, further comprising performing, before the ME is performed, further PRS measurements on a transmission from the second cell using the second PRS configuration associated with the second cell in a coverage area of the first cell. ### Claim 10 (depends on 1) The method of claim 1, further comprising performing, during the ME, further PRS measurements: (1) on the transmission from the first cell using the first PRS configuration of the first cell and (2) on a transmission from the second cell using the second PRS configuration associated with the second cell. ### Claim 11 (depends on 1) The method of claim 1, further comprising switching, during the ME, from a first positioning method to a second positioning method. ### Claim 12 (depends on 1) The method of claim 1, further comprising receiving, by the WTRU, information indicating to use, activate or deactivate one or more of the PRS configurations. ### Claim 13 (depends on 20) The method of claim 20, further comprising: triggering the performing of the second PRS measurements in response to the ME, wherein: the performing of: (1) the first PRS measurements uses the first PRS configuration and the MG configuration before the ME is performed and (2) the second PRS measurements uses the first PRS configuration and the MG configuration during at least a first part of the ME, the method includes performing further PRS measurements using the second PRS configuration and the second MG configuration (1) during at least a second part of the ME and (2) after the ME is performed. ### Claim 14 (depends on 20) The method of claim 20, comprising: receiving, by the WTRU, information associated with: (1) a first positioning operation, (2) a second positioning operation and (3) one or more trigger conditions for starting and/or stopping usage of the second positioning operation; and on condition that the one or more trigger conditions are satisfied to start using the second positioning operation, initiating use of the second positioning operation, wherein: the performing of the first PRS measurements uses the first PRS configuration associated with the first positioning operation, and the performing of the second PRS measurements uses the second PRS configuration associated with the second positioning operation. ### Claim 15 (depends on 14) The method of claim 14, further comprising: triggering the performing of the second PRS measurements using the second PRS configuration associated with the second positioning operation in response to the ME, wherein: the performing of the first PRS measurements uses the first PRS configuration: (1) before the ME is performed and (2) during at least a first part of the ME, the performing of the second PRS measurements uses the second PRS configuration (1) during at least a second part of the ME and (2) after the ME is performed. ### Claim 16 (depends on 1) The method of claim 1, further comprising: receiving, by the WTRU, reporting configuration information indicating a plurality of reporting configurations, wherein each indicated reporting configuration is associated with a type of trigger condition associated with the ME; and sending, to a Location Management Function (LMF) Entity, a positioning report in accordance with the type of trigger condition associated with the ME. ### Claim 17 (depends on 16) The method of claim 16, wherein the type of trigger condition associated with the ME includes any of: (1) a speed-related trigger condition associated with the WTRU; (2) a velocity-related trigger condition associated with the WTRU; (3) a direction of movement-related trigger condition associated with the WTRU; (4) an orientation-related trigger condition associated with the WTRU; (5) an environment-related trigger condition associated with the WTRU; (6) an indoor/outdoor status-related trigger condition associated with the WTRU; and/or (7) a neighbouring cell detection/discover-related trigger condition. ### Claim 18 (depends on 16) The method of claim 16, wherein a first reporting configuration of the indicated plurality of reporting configurations includes first periodicity information and a second reporting configuration of the indicated plurality of reporting configurations includes second, different periodicity information. ### Claim 19 (canceled) ### Claim 20 (depends on 1) The method of claim 1, comprising: performing, after the ME is performed, second PRS measurements on the first transmission or a further transmission from the first cell using the first PRS configuration and the MG configuration. ### Claim 21 (depends on 20) the method of claim 20, comprising: sending, to a second NE associated with the first cell, information indicating the second PRS measurements. ### Claim 22 A wireless transmit/receive unit (WTRU) including any of a processor, a transceiver and memory, the circuitry configured to: receive information indicating: (1) a first Positioning Reference Signal (PRS) configuration associated with a first cell, (2) a second PRS configuration associated with a second cell, and (3) a measurement gap (MG) configuration; perform first PRS measurements on a first transmission from the first cell using the first PRS configuration and the MG configuration; send, to a first Network Entity (NE) associated with the first cell, a request including information indicating to maintain, after a mobility event (ME) associated with the second cell is performed, the MG configuration; and receive information indicating: (1) to perform the ME associated with the second cell, and (2) to maintain, after the ME is performed, the MG configuration. ### Claim 23 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to: perform, after the ME is performed, second PRS measurements on the first transmission or a further transmission from the first cell using the first PRS configuration and the MG configuration. ### Claim 24 (depends on 23) The WTRU of claim 23, wherein the circuitry is configured to: send, to a second NE associated with the first cell, information indicating the second PRS measurements. ### Claim 25 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to determine to send the request to the first cell indicating to maintain, after the ME is performed, the MG configuration. ### Claim 26 (depends on 24) The WTRU of claim 24, wherein the first NE associated with the first cell and the second NE associated with the first cell are one base station or the first NE is a first base station and the second NE is a Location Management Function (LMF) entity. ### Claim 27 (depends on 23) The WTRU of claim 23, wherein, on condition that the second PRS measurements do not satisfy a PRS ME threshold, the circuitry is configured to: send, to a first NE associated with the second cell, a request for a further MG configuration; receive, information indicating the further MG configuration; perform third PRS measurements on a transmission from the second cell using the second PRS configuration and the further MG configuration; and send, to a second NE associated with the second cell, further information indicating any of: (1) the third PRS measurements, (2) the second PRS configuration, and/or (3) a time when the WTRU started to use the second PRS configuration. ### Claim 28 (depends on 27) The WTRU of claim 27, wherein: the first NE associated with the first cell and the second NE associated with the first cell are a single base station or the first NE associated with the first cell is a first base station and the second NE associated with the first cell is a Location Management Function (LMF) entity; and the first NE associated with the second cell and the second NE associated with the second cell are another single base station or the first NE associated with the second cell is a second base station and the second NE associated with the second cell is the Location Management Function (LMF) entity. ### Claim 29 (depends on 22) The WTRU of claim 22, wherein: the ME is any of: (1) a hand over; or (2) a reselection; and the circuitry is configured to perform the handover or the reselection of the WTRU to the second cell. ### Claim 30 (depends on 27) The WTRU of claim 27, wherein: the further information is included in a positioning service continuity report; and the circuitry is configured to receive a new PRS configuration or an updated PRS configuration in response to the positioning service continuity report, wherein the new PRS configuration or the updated PRS configuration is associated with a target NE or the first NE associated with the second cell. ### Claim 31 (depends on 23) The WTRU of claim 23, wherein the performing of second PRS measurements on the first transmission or the further transmission from the first cell, after the ME is performed, using the first PRS configuration and the MG configuration includes performing of the first PRS measurements on the first transmission from the first cell using the first PRS configuration associated with the first cell after a data link handover in a coverage area of the second cell. ### Claim 32 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to perform, before the ME is performed, further PRS measurements on a transmission from the second cell using the second PRS configuration associated with the second cell in a coverage area of the first cell. ### Claim 33 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to perform, during the ME, further PRS measurements: (1) on the transmission from the first cell using the first PRS configuration of the first cell and (2) on a transmission from the second cell using the second PRS configuration associated with the second cell. ### Claim 34 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to switch, during the ME, from a first positioning method to a second positioning method. ### Claim 35 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to receive information indicating to use, activate or deactivate one or more of the PRS configurations. ### Claim 36 (depends on 23) The WTRU of claim 23, wherein the circuitry is configured to: trigger the performing of the second PRS measurements in response to the ME, wherein the performing of: (1) the first PRS measurements uses the first PRS configuration and the MG configuration before the ME is performed and (2) the second PRS measurements uses the first PRS configuration and the MG configuration during at least a first part of the ME; and perform further PRS measurements using the second PRS configuration and the second MG configuration (1) during at least a second part of the ME and (2) after the ME is performed. ### Claim 37 (depends on 23) The WTRU of claim 23, wherein the circuitry is configured to: receive information associated with: (1) a first positioning operation, (2) a second positioning operation and (3) one or more trigger conditions for starting and/or stopping usage of the second positioning operation; and on condition that the one or more trigger conditions are satisfied to start using the second positioning operation, initiate use of the second positioning operation, wherein: the performing of the first PRS measurements uses the first PRS configuration associated with the first positioning operation, and the performing of the second PRS measurements uses the second PRS configuration associated with the second positioning operation. ### Claim 38 (depends on 37) The WTRU of claim 37, wherein the circuitry is configured to: trigger the performing of the second PRS measurements using the second PRS configuration associated with the second positioning operation in response to the ME, wherein: the performing of the first PRS measurements uses the first PRS configuration: (1) before the ME is performed and (2) during at least a first part of the ME, the performing of the second PRS measurements uses the second PRS configuration (1) during at least a second part of the ME and (2) after the ME is performed. ### Claim 39 (depends on 22) The WTRU of claim 22, wherein the circuitry is configured to: receive, by the WTRU, reporting configuration information indicating a plurality of reporting configurations, wherein each indicated reporting configuration is associated with a type of trigger condition associated with the ME; and send, to a Location Management Function (LMF) Entity, a positioning report in accordance with the type of trigger condition associated with the ME. ### Claim 40 (depends on 39) The WTRU of claim 39, wherein the type of trigger condition associated with the ME includes any of: (1) a speed-related trigger condition associated with the WTRU; (2) a velocity-related trigger condition associated with the WTRU; (3) a direction of movement-related trigger condition associated with the WTRU; (4) an orientation-related trigger condition associated with the WTRU; (5) an environment-related trigger condition associated with the WTRU; (6) an indoor/outdoor status-related trigger condition associated with the WTRU; and/or (7) a neighbouring cell detection/discover-related trigger condition. ### Claim 41 (depends on 39) The WTRU of claim 39, wherein a first reporting configuration of the indicated plurality of reporting configurations includes first periodicity information and a second reporting configuration of the indicated plurality of reporting configurations includes second, different periodicity information.