# US 12,764,703 B2 · Positioning method, communication device and medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,764,703 B2 - Document ID: US12764703B2 - Status: Granted - Kind: B2 - Application number: 18/422,381 - Filed: 2024-01-25 - Published: 2024-05-23 - Granted: 2026-10-13 - Earliest claimed: 2021-07-26 - Assignees: Vivo Mobile Communication Co., Ltd. - Applicants: Vivo Mobile Communication Co., Ltd. - Inventors: Yuanyuan Wang; Ye Si; Huaming Wu; Zixun Zhuang - Web page: https://patentgrep.com/patent/US12764703B2 ## CPC - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - H04B 17/328: {Reference signal received power [RSRP]; Reference signal received quality [RSRQ]} - H04W 72/25: between terminals via a wireless link, e.g. sidelink - H04W 92/18: between terminal devices - 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 A positioning method includes a first device performs a target operation, to assist a first terminal in positioning. The target operation includes transmitting a target message, transmitting a first SL-PRS, or selecting a target first resource. The target first resource is used for transmitting the first SL-PRS and/or transmitting the target message. The target message includes a positioning request, positioning assistance data, or first resource configuration information. The first resource configuration information is used for configuring at least one first resource. The target first resource is one or more resources in the at least one first resource. The first SL-PRS is used for determining location information of the first terminal and/or second terminal, and/or SL-PRS measurement information. The second terminal is a peer terminal that performs SL communication or SL positioning with the first terminal. ## Claims ### Claim 1 A positioning method, comprising: performing, by a first device, a target operation, to assist a first terminal in positioning, wherein the target operation comprises at least one of: transmitting a target message, or transmitting a first sidelink positioning reference signal (SL-PRS); wherein the target message comprises a positioning request and time domain offset information; the first SL-PRS is used for determining: location information of the first terminal and/or second terminal, and/or SL-PRS measurement information; and the second terminal is a peer terminal that performs sidelink (SL) communication or SL positioning with the first terminal; wherein the target message is transmitted through sidelink control information (SCI); wherein the SCI is dedicated to scheduling an SL-PRS; the positioning request comprises SL-PRS request indication information; wherein the SL-PRS request indication information indicates whether the SL-PRS is requested; and the time domain offset information comprises offset information between the SCI and the SL-PRS; wherein the method further comprises: obtaining, by the first device, a second parameter provided by a higher layer, wherein the second parameter is used for selecting a target first resource, and the target first resource is used for transmitting the first SL-PRS; wherein the second parameter comprises: indication information of at least one first resource; wherein the target first resource is one or more resources in the at least one first resource; and a dedicated resource pool parameter of at least one SL-PRS. ### Claim 2 (depends on 1) The method according to claim 1, wherein in a case that the first device is the first terminal, the target operation comprises at least one of: transmitting the target message, transmitting the first SL-PRS, or selecting the target first resource. ### Claim 3 (depends on 1) The method according to claim 1, wherein the performing, by a first device, a target operation, to assist a first terminal in positioning comprises: performing, by the first device, the target operation, and assisting at a higher level of the first device, the first terminal in performing positioning on a layer 1. ### Claim 4 (depends on 1) The method according to claim 1, wherein before the performing, by a first device, a target operation, the method further comprises: transmitting, by the first device, a location service request at the higher layer, wherein the location service request is used for requesting to trigger the first terminal to perform positioning; the location service request comprises at least one of: a positioning service type of the first terminal; location notification indication information; event reporting information; periodic reporting indication information; priority information; confidential information; or quality of service (QoS) information used for positioning, wherein the location notification indication information indicates location environment information of the first terminal; the event reporting information comprises event information of a first event, and the event reporting information indicates that at least one of location service, location information reporting, or SL-PRS measurement information reporting is triggered under the first event; and the periodic reporting indication information indicates the first terminal and/or the second terminal to periodically trigger at least one of location service, location information reporting, or SL-PRS measurement information reporting. ### Claim 5 (depends on 1) The method according to claim 1 wherein the second parameter further comprises at least one of: configuration information of the at least one first resource; time domain and/or frequency domain indication information of the first resource; a measurement window of at least one SL-PRS; a selection window of at least one SL-PRS; a reference signal received power (RSRP) threshold corresponding to receiving at least one SL-PRS; an RSRP threshold corresponding to sending at least one SL-PRS; a priority threshold corresponding to receiving at least one SL-PRS; a priority threshold corresponding to sending at least one SL-PRS; a proportion of the target first resource in the first resource; or target first resource preemption indication information, wherein the target first resource preemption indication information indicates whether the target first resource is allowed to be preempted. ### Claim 6 (depends on 1) The method according to claim 1, wherein the transmitting the first SL-PRS comprises: transmitting the first SL-PRS in a case that a predetermined condition is met, wherein the predetermined condition comprises at least one of that: received first-stage sidelink control information (SCI) indicates that an SL-PRS is enabled; or received second-stage SCI comprises at least one of: a positioning request, positioning assistance data, a location information reporting or feedback resource configuration, an SL-PRS measurement reporting or feedback resource configuration, a configuration parameter of at least one SL-PRS, or a mode of at least one SL-PRS, wherein the first SL-PRS is one or more SL-PRSs in the at least one SL-PRS. ### Claim 7 (depends on 1) The method according to claim 1, wherein the target message further comprises at least one of: location reporting or feedback information, SL-PRS measurement reporting or feedback information, a positioning response, or capability information. ### Claim 8 (depends on 1) The method according to claim 1, wherein the positioning request further comprises at least one of: a positioning assistance data request; a measurement request; a location information reporting or feedback request; an SL-PRS measurement reporting or feedback request; a configuration request for at least one SL-PRS; or feedback indication information of a measurement request, wherein the positioning assistance data request is used for requesting positioning assistance data; the measurement request is used for requesting a device to measure the first SL-PRS; the location information reporting or feedback request is used for requesting the device to report or feed back a resource of the location information, or requesting the device to report or feed back the location information; the SL-PRS measurement reporting or feedback request is used for requesting the device to report or feed back a resource of the SL-PRS measurement information, or requesting the device to report or feed back an SL-PRS measurement information; the configuration request is used for requesting configuration or transmission of the at least one SL-PRS; and the feedback indication information of the measurement request indicates that the first SL-PRS is received, and/or indicates whether the device requested through the measurement request sends feedback information, wherein the feedback information comprises at least one of: the location information, the SL-PRS measurement information, or hybrid automatic repeat request (HARQ) information. ### Claim 9 (depends on 8) The method according to claim 8, wherein the positioning assistance data request comprises at least one of: recognition information of a first target terminal; recognition information of a second target terminal; location information of the second target terminal; a region identifier; a communication range; a positioning range; positioning related quality of service (QoS) information; a resource request for requesting to transmit a time frequency resource of the first SL-PRS; the configuration request for at least one SL-PRS; the location information reporting or feedback request; or the SL-PRS measurement reporting or feedback request, wherein the first target terminal is any one of: the first terminal, the second terminal, and a third terminal; and the second target terminal is any one of: the first terminal, the second terminal, and the third terminal; or, the measurement request comprises at least one of: a positioning type request; frequency band information; a positioning method request; a location information type; a measurement signal request; priority information of measurement of an SL-PRS; priority information of transmission of the SL-PRS; expected angle of departure (AOD) information; or expected angle of arrival (AOA) information. ### Claim 10 (depends on 1) The method according to claim 1, wherein the positioning request further comprises at least one of: information about at least one SL-PRS configuration set; first SL-PRS configuration information; or second SL-PRS configuration information, wherein the second SL-PRS configuration information is configuration information of an SL-PRS expected by the first terminal and/or the second terminal; and the information about at least one SL-PRS configuration set comprises at least one of: identification information of the at least one SL-PRS configuration set; or a configuration parameter of an SL-PRS of the at least one SL-PRS configuration set. ### Claim 11 (depends on 10) The method according to claim 10, wherein the second SL-PRS configuration information comprises at least one of: bandwidth information of the SL-PRS; sending start time of the SL-PRS; sending end time of the SL-PRS; sending duration of the SL-PRS; measurement window information of the SL-PRS; configuration window information for configuring the SL-PRS; a number of combs configured for the SL-PRS; an SL-PRS number of symbols; a target terminal set; a number of target terminals; identification information of a target terminal; a set of selected SL-PRSs; resources of the selected SL-PRSs; identification information of the selected SL-PRSs; a resource set of the selected SL-PRSs; or a number of the selected SL-PRSs. ### Claim 12 (depends on 10) The method according to claim 10, wherein the first SL-PRS configuration information comprises at least one of: a configuration parameter of the SL-PRS; a maximum number of frequency layers of the SL-PRS; SL-PRS positioning frequency layer information; an SL-PRS subcarrier spacing; an SL-PRS resource bandwidth; a start point of an SL-PRS physical resource block (PRB); a frequency domain position start point of the SL-PRS; an SL-PRS comb size N; an SL-PRS cyclic prefix; an SL-PRS configuration per frequency layer; identification information of the SL-PRS; physical cell identifier (PCI) of the SL-PRS; an absolute radio frequency channel number (ARFCN); a cell global identity; a maximum number of SL-PRS resource sets; SL-PRS resource set information; an SL-PRS resource set identifier; an SL-PRS periodicity and resource set slot offset; an SL-PRS resource repetition factor; an SL-PRS resource time gap; an SL-PRS number of symbols; a first muting option of the SL-PRS; a second muting option of the SL-PRS; resource power information of the SL-PRS; a maximum number of SL-PRS resources comprised in each SL-PRS resource set in the at least one SL-PRS resource set; SL-PRS resource information; an SL-PRS resource identifier; an SL-PRS sequence identifier; an SL-PRS resource element (RE) offset; an SL-PRS resource slot offset; or an SL-PRS resource symbol offset. ### Claim 13 (depends on 1) The method according to claim 1, wherein the target message further comprises at least one of: indication information within coverage; or indication information out of coverage. ### Claim 14 A communication device, being a first device, comprising a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or the instructions, when executed by the processor, cause the communication device to perform: performing a target operation, to assist a first terminal in positioning, wherein the target operation comprises at least one of: transmitting a target message, or transmitting a first sidelink positioning reference signal (SL-PRS); wherein the target message comprises: a positioning request and time domain offset information; the first SL-PRS is used for determining: location information of the first terminal and/or second terminal, and/or SL-PRS measurement information; and the second terminal is a peer terminal that performs sidelink (SL) communication or SL positioning with the first terminal; wherein the target message is transmitted through sidelink control information (SCI); wherein the SCI is dedicated to scheduling an SL-PRS; the positioning request comprises SL-PRS request indication information; wherein the SL-PRS request indication information indicates whether the SL-PRS is requested; and the time domain offset information comprises offset information between the SCI and the SL-PRS; wherein the program or the instructions, when executed by the processor, cause the communication device to further perform: obtaining a second parameter provided by a higher layer, wherein the second parameter is used for selecting a target first resource, and the target first resource is used for transmitting the first SL-PRS; wherein the second parameter comprises: indication information of at least one first resource; wherein the target first resource is one or more resources in the at least one first resource; and a dedicated resource pool parameter of at least one SL-PRS. ### Claim 15 (depends on 14) The communication device according to claim 14, wherein before the performing, by a first device, a target operation, the method further comprises: transmitting, by the first device, a location service request at the higher layer, wherein the location service request is used for requesting to trigger the first terminal to perform positioning; the location service request comprises at least one of: a positioning service type of the first terminal; location notification indication information; event reporting information; periodic reporting indication information; priority information; confidential information; or quality of service (QoS) information used for positioning, wherein the location notification indication information indicates location environment information of the first terminal; the event reporting information comprises event information of a first event, and the event reporting information indicates that at least one of location service, location information reporting, or SL-PRS measurement information reporting is triggered under the first event; and the periodic reporting indication information indicates the first terminal and/or the second terminal to periodically trigger at least one of location service, location information reporting, or SL-PRS measurement information reporting. ### Claim 16 (depends on 15) The communication device according to claim 15, wherein the positioning assistance data request comprises at least one of: recognition information of a first target terminal; recognition information of a second target terminal; location information of the second target terminal; a region identifier; a communication range; a positioning range; positioning related quality of service (QoS) information; a resource request for requesting to transmit a time frequency resource of the first SL-PRS; the configuration request for at least one SL-PRS; the location information reporting or feedback request; or the SL-PRS measurement reporting or feedback request, wherein the first target terminal is any one of: the first terminal, the second terminal, and a third terminal; and the second target terminal is any one of: the first terminal, the second terminal, and the third terminal; or, the measurement request comprises at least one of: a positioning type request; frequency band information; a positioning method request; a location information type; a measurement signal request; priority information of measurement of an SL-PRS; priority information of transmission of the SL-PRS; expected angle of departure (AOD) information; or expected angle of arrival (AOA) information. ### Claim 17 (depends on 14) The communication device according to claim 14, wherein the positioning request further comprises at least one of: a positioning assistance data request; a measurement request; a location information reporting or feedback request; an SL-PRS measurement reporting or feedback request; a configuration request for at least one SL-PRS; or SL-PRS request indication information; or feedback indication information of a measurement request, wherein the positioning assistance data request is used for requesting positioning assistance data; the measurement request is used for requesting a device to measure the first SL-PRS; the location information reporting or feedback request is used for requesting the device to report or feed back a resource of the location information, or requesting the device to report or feed back the location information; the SL-PRS measurement reporting or feedback request is used for requesting the device to report or feed back a resource of the SL-PRS measurement information, or requesting the device to report or feed back an SL-PRS measurement information; the configuration request is used for requesting configuration or transmission of the at least one SL-PRS; and the SL-PRS request indication information indicates whether an SL-PRS is requested; and the feedback indication information of the measurement request indicates that the first SL-PRS is received, and/or indicates whether the device requested through the measurement request sends feedback information, wherein the feedback information comprises at least one of: the location information, the SL-PRS measurement information, or hybrid automatic repeat request (HARQ) information. ### Claim 18 A non-transitory readable storage medium, storing a program or instructions, wherein the program or the instructions, when executed by a processor of a first device, cause the first device to perform: performing a target operation, to assist a first terminal in positioning, wherein the target operation comprises at least one of: transmitting a target message, or transmitting a first sidelink positioning reference signal (SL-PRS); wherein the target message comprises a positioning request and time domain offset information; the first SL-PRS is used for determining: location information of the first terminal and/or second terminal, and/or SL-PRS measurement information; and the second terminal is a peer terminal that performs sidelink (SL) communication or SL positioning with the first terminal; wherein the target message is transmitted through sidelink control information (SCI); wherein the SCI is dedicated to scheduling an SL-PRS; the positioning request comprises SL-PRS request indication information; wherein the SL-PRS request indication information indicates whether the SL-PRS is requested; and the time domain offset information comprises offset information between the SCI and the SL-PRS; wherein the program or the instructions, when executed by the processor, cause the first device to further perform: obtaining a second parameter provided by a higher layer, wherein the second parameter is used for selecting a target first resource, and the target first resource is used for transmitting the first SL-PRS; wherein the second parameter comprises: indication information of at least one first resource; wherein the target first resource is one or more resources in the at least one first resource; and a dedicated resource pool parameter of at least one SL-PRS.