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WO2023061411A1 - Procédé de détermination de procédé de positionnement, terminal et dispositif côté réseau - Google Patents

Procédé de détermination de procédé de positionnement, terminal et dispositif côté réseau Download PDF

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Publication number
WO2023061411A1
WO2023061411A1 PCT/CN2022/124886 CN2022124886W WO2023061411A1 WO 2023061411 A1 WO2023061411 A1 WO 2023061411A1 CN 2022124886 W CN2022124886 W CN 2022124886W WO 2023061411 A1 WO2023061411 A1 WO 2023061411A1
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Prior art keywords
positioning
target
sidelink
terminal
positioning method
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English (en)
Chinese (zh)
Inventor
钟婷婷
潘翔
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present application belongs to the technical field of terminal communication, and in particular relates to a method for determining a positioning method, a terminal and a network side device.
  • a positioning method based on a cellular network (which may be called a RAT-dependent method) can be used to locate the target terminal, that is, the positioning is realized by sending and measuring positioning reference signals through the Uu interface between the target terminal and the base station, such as using Downlink Time Difference of Arrival (Down Link Time Difference of Arrival, DL-TDOA) positioning method for positioning, or a positioning method not based on the cellular network (which may be called a RAT-independent method) can also be used to locate the target terminal, For example, use the Global Navigation Satellite System (GNSS) for positioning, or you can also use the sidelink (sidelink, the communication link between the terminal and other nodes (except the base station), which can also be called a secondary link , direct link, side link, side link, etc.) to locate the target terminal.
  • GNSS Global Navigation Satellite System
  • sidelink sidelink, the communication link between the terminal and other nodes (except the base station)
  • secondary link direct link, side link, side link, etc.
  • Embodiments of the present application provide a method for determining a positioning method, a terminal, and a network-side device, which can solve the problem of which positioning method is specifically used for positioning when locating a target terminal.
  • a method for determining a positioning method includes:
  • the target terminal determines the target positioning method from the positioning methods according to the first rule, the positioning method includes a side link positioning method, and the target positioning method is used to locate the target terminal location information.
  • a device for determining a positioning method comprising:
  • a determining module configured to determine a target positioning method from positioning methods according to a first rule when the target terminal has a positioning requirement, the positioning method includes a side link positioning method, and the target positioning method is used to locate the target The location information of the terminal.
  • a method for determining a positioning method includes:
  • the network side device receives a location service request message, where the location service request message is used to request location information of the positioning target terminal;
  • a target positioning method is determined from positioning methods, the positioning method includes a sidelink positioning method, and the target positioning method is used to locate the position information of the target terminal.
  • a device for determining a positioning method includes:
  • a receiving module configured to receive a location service request message, where the location service request message is used to request location information of the positioning target terminal;
  • a determining module configured to determine a target positioning method from positioning methods, the positioning method includes a sidelink positioning method, and the target positioning method is used to locate the position information of the target terminal.
  • a terminal includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the processor The steps of the method described in the first aspect are realized.
  • a terminal including a processor and a communication interface, wherein the processor is configured to determine a target positioning method from positioning methods according to a first rule when the target terminal has a positioning requirement, and the positioning The method includes a side link positioning method, and the target positioning method is used for locating the position information of the target terminal.
  • a network-side device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is executed by the The processor implements the steps of the method described in the third aspect when executing.
  • a network side device including a processor and a communication interface, wherein the communication interface is used to receive a location service request message, and the location service request message is used to request location information of a positioning target terminal, so
  • the processor is configured to determine a target positioning method from positioning methods, the positioning method includes a side link positioning method, and the target positioning method is used to locate the position information of the target terminal.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the third aspect.
  • a chip in a tenth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect , or implement the method described in the third aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the computer program/program product is executed by at least one processor to implement the The steps of the determination method of the positioning method in one aspect, or the steps of the determination method of the positioning method in the third aspect.
  • a twelfth aspect provides a terminal configured to perform the steps of the method described in the first aspect.
  • a thirteenth aspect provides a network-side device configured to perform the steps of the method described in the third aspect.
  • the target terminal when the target terminal has a positioning requirement, the target terminal may determine a target positioning method for locating the location information of the target terminal according to the first rule. Or, when the target terminal has a positioning requirement, the network side device receives the location service request message, and the network side device determines a target positioning method for locating the position information of the target terminal.
  • a specific locating method for locating the target terminal can be determined, and furthermore, position information of the target terminal can be obtained accurately and quickly.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a determination method of a positioning method according to an embodiment of the present application
  • FIG. 3 is a schematic flowchart of a determination method of a positioning method according to an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of a determining device of a positioning method according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a determining device of a positioning method according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • Fig. 8 is a schematic structural diagram of a network side device according to an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced Long Term Evolution-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), Pedestrian Terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, transmission Receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • terminals 11 can communicate based on the sidelink sidelink.
  • the positioning method includes the sidelink positioning method (sidelink positioning method) and cellular-based positioning method.
  • the positioning method of the network may be expressed as a RAT-dependent method).
  • the side link positioning method may specifically include the following four positioning methods:
  • a method in which sidelink positioning configuration information is configured by the terminal (UE) and the positioning result is calculated by the terminal (UE-configured UE-based sidelink positioning method);
  • the terminal configures the sidelink positioning configuration information and the positioning result is calculated by the network side device (UE-configured UE-assisted sidelink positioning method or UE-configured Network-based sidelink positioning method);
  • the sidelink positioning configuration information is configured by the network side device and the positioning result is calculated by the terminal (Network-configured UE-based sidelink positioning method);
  • the sidelink positioning configuration information is configured by the network side device and the positioning result is calculated by the network side device (Network-configured UE-assisted sidelink positioning method or Network-configured Network-based sidelink positioning method).
  • the four sidelink positioning methods can be divided into methods in which the sidelink positioning configuration information is configured by the terminal (UE-configured sidelink positioning method, including UE-configured UE-based sidelink positioning method and UE-configured UE-assisted sidelink positioning method) and a method for configuring sidelink positioning configuration information by network side equipment (Network-configured sidelink positioning method, including Network-configured UE-based sidelink positioning method and Network-configured UE-assisted sidelink positioning method), or, according to who calculates the positioning result, the four sidelink positioning methods can be divided into methods in which the positioning result is calculated by the terminal (UE-based sidelink positioning method, including UE-configured UE- based sidelink positioning method and Network-configured UE-based sidelink positioning method) and the method in which the positioning result is calculated by the network side device (Network-based sidelink positioning method or UE-assisted sidelink positioning method, including
  • the positioning method based on the cellular network may include at least one of the following:
  • DL-TDOA Downlink Time Difference Of Arrival
  • Multi-RTT Multi-Round-Trip Time
  • New Radio Enhanced Cell-ID (NR E-CID) positioning method
  • Uplink Time Difference Of Arrival (UL-TDOA) positioning method UL-TDOA
  • Uplink Angle of Arrival (UL-AoA) positioning method uses U-AoA to calculate Uplink Angle of Arrival (UL-AoA) positioning method.
  • the target terminal when positioning the target terminal (Target UE), it can be effectively determined which positioning method to use to locate the position information of the target terminal.
  • the embodiment of the present application provides a determination method 200 of a positioning method, which can be performed by a target terminal (Target UE), in other words, the determination method can be performed by software or hardware installed in the target terminal , the determination method includes the following steps.
  • the target terminal determines the target positioning method from the positioning methods according to the first rule, the positioning method includes a side link positioning method, and the target positioning method is used to locate the position information of the target terminal.
  • the target terminal when the target terminal has a positioning requirement, can select one or more positioning methods from multiple existing positioning methods (sidelink positioning method and/or RAT-dependent method) according to the first rule
  • the method serves as a target positioning method, so as to locate the position information of the target terminal according to the target positioning method.
  • the aforementioned location requirement of the target terminal may be that the application layer of the target terminal itself has the location requirement.
  • the first rule above may satisfy any of the following:
  • the target terminal determines the target positioning method from the positioning methods according to the first rule, which may include at least one of the following (1) to (6):
  • the first positioning method when the conditions of the first positioning method are met, the first positioning method is determined as the target positioning method; wherein, the first positioning method is one positioning method among the different positioning methods.
  • the prioritization of the above different positioning methods may include at least one of the following:
  • Priority ranking among the four sidelink positioning methods in the sidelink positioning method and multiple methods in the cellular network-based positioning method (RAT-dependent method).
  • the priority ranking between the sidelink positioning method and the RAT-dependent method may be sidelink positioning method>RAT-dependent method, or may also be sidelink positioning method ⁇ RAT-dependent method.
  • the four sidelink positioning methods in the sidelink positioning method can specifically be UE-configured UE-based sidelink positioning method, UE-configured UE-assisted sidelink positioning method, Network-configured UE-based sidelink positioning method, Network-configured UE -assisted sidelink positioning method.
  • the priority ranking among these four sidelink positioning methods can be Network-configured UE-assisted sidelink positioning method>Network-configured UE based sidelink positioning method>UE-configured UE-based sidelink positioning method>UE- configured UE-assisted sidelink positioning method.
  • the various methods in the positioning method based on the cellular network can specifically be DL-TDOA positioning method, DL-AoD positioning method, Multi-RTT positioning method, NR E-CID positioning method, UL-TDOA positioning method , Any multiple positioning methods in the UL-AoA positioning method.
  • Priority ranking between the four sidelink positioning methods in the sidelink positioning method and multiple positioning methods in the RAT-dependent method for example, it can be Network-configured UE-assisted sidelink positioning method>Network-configured UE -based sidelink positioning method>UE-configured UE-based sidelink positioning method>UE-configured UE-assisted sidelink positioning method>DL-TDOA positioning method>Multi-RTT positioning method>UL-TDOA positioning method>DL-AoD positioning method.
  • the foregoing first positioning method may be any one of different positioning methods, and the different positioning method may be any one of the sidelink positioning methods and/or any one of the RAT-dependent methods.
  • it may be determined whether the condition of the first positioning method is satisfied according to the priority ranking of different positioning methods.
  • whether the condition of the first positioning method is satisfied can be determined sequentially according to the descending order of priorities of different positioning methods. If the judging result is that the condition of the first positioning method is satisfied, the first positioning method currently being judged is determined as the target positioning method and the judging step is stopped. If the judging result is that the condition of the first positioning method is not met, continue to judge the condition of the first positioning method with the next priority until the target positioning method is determined.
  • the priority ranking of different positioning methods is the priority ranking between the sidelink positioning method and the RAT-dependent method, and the priority of the sidelink positioning method is greater than that of the RAT-dependent method, it can be determined first whether Satisfy the conditions of the side-link positioning method, if so, then determine the side-link positioning method as the target positioning method, if not, continue to judge whether the conditions of the RAT-dependent method are met, if satisfied, then use the RAT-dependent method identified as the targeting method.
  • the side-link positioning method is determined as the target positioning method, specifically, any positioning method in the side-link positioning method may be used as the target positioning method, or it may also be based on multiple positioning methods in the side-link positioning method. According to the priority ranking of the positioning methods, the conditions are judged, and one of the side link positioning methods is selected as the target positioning method according to the judgment result.
  • condition of the first positioning method may include at least one of the following:
  • the target terminal and/or the anchor terminal (Anchor UE) has sidelink positioning capability
  • the target terminal and/or the anchor terminal has the ability to configure sidelink positioning configuration information
  • the target terminal and/or the anchor terminal has the ability to calculate the positioning result
  • the target terminal and/or the anchor terminal is not within the coverage of the network
  • Target terminals have positioning requirements.
  • the sidelink positioning method is determined as the target positioning method.
  • the sidelink positioning method here includes the first method and/or the second method
  • the first method is a method in which the terminal configures sidelink positioning configuration information (UE-configured sidelink positioning method), specifically UE-configured UE -based sidelink positioning method and/or UE-configured UE-assisted sidelink positioning method.
  • the second method is a method in which the positioning result is calculated by the terminal (UE-based sidelink positioning method), which may specifically be a UE-configured UE-based sidelink positioning method and/or a Network-configured UE-based sidelink positioning method.
  • the sidelink positioning method can be one of the four sidelink positioning methods, or the sidelink positioning method is preferably selected as the third method and/or the fourth method.
  • the four sidelink positioning methods are specifically a method in which the terminal configures the sidelink positioning configuration information and the positioning result is calculated by the terminal (UE-configured UE-based sidelink positioning method), and the terminal configures the sidelink positioning configuration information.
  • the third method is a method of configuring sidelink positioning configuration information by a network side device (Network-configured sidelink positioning method), specifically, it may be a Network-configured UE-based sidelink positioning method and/or a Network-configured UE-assisted sidelink positioning method .
  • the fourth method is a method in which the positioning result is calculated by the network side device (Network-based sidelink positioning method or UE-assisted sidelink positioning method), which can be specifically UE-configured UE-assisted sidelink positioning method and/or Network-configured UE-assisted sidelink positioning method.
  • Network-based sidelink positioning method or UE-assisted sidelink positioning method can be specifically UE-configured UE-assisted sidelink positioning method and/or Network-configured UE-assisted sidelink positioning method.
  • the DL-TDOA positioning method, the DL-AoD positioning method, the Multi-RTT positioning method, the NRE-CID positioning method, the UL positioning method in the RAT-dependent method may be used.
  • -Any one or more of the TDOA positioning method and the UL-AoA positioning method are determined as the target positioning method.
  • the sidelink location method is preferentially selected as the target location method.
  • the UE-configured UE-based sidelink positioning method is preferred as the target positioning method.
  • the specified UE-configured UE-based sidelink positioning method can be used as the target positioning method.
  • the target terminal When the target terminal is within the coverage of the network, the target terminal sends a request message to the network side device; the target terminal determines the target positioning method according to the feedback message from the network side device.
  • the target terminal can determine the target positioning method by means of the network side device, that is, the target terminal can send a request message to the network side device (for example, it can send a location service request message (location service request message)) , the network side device determines the target positioning method from the positioning methods.
  • the target terminal can send a location service request message to the Access and Mobility Management Function (AMF), and after receiving the location service request message, the AMF sends the location service request message to the location management function (Location management function) function, LMF), the target positioning method is determined by LMF.
  • AMF Access and Mobility Management Function
  • LMF Location management function
  • the specific implementation manner of determining the target positioning method by the network side device from the positioning methods may refer to the embodiment shown in FIG. 3 , which will not be described in detail here.
  • the network side device may send a feedback message to the target terminal. After receiving the feedback information from the network side device, the target terminal can determine the target positioning method according to the feedback information.
  • the target terminal After the target terminal determines the target positioning method from the positioning methods according to the first rule, it can use the target positioning method to locate the location information of the target terminal.
  • the target terminal when the target terminal has a positioning requirement, the target terminal may determine a target positioning method for locating the location information of the target terminal according to the first rule.
  • a specific locating method for locating the target terminal can be determined, and furthermore, position information of the target terminal can be obtained accurately and quickly.
  • the embodiment of the present application provides a determination method 300 of a positioning method, which can be performed by a network-side device.
  • the determination method can be performed by software or hardware installed on the network-side device.
  • the determination method includes the following steps.
  • the network side device receives a location service request message, where the location service request message is used to request location information of a positioning target terminal.
  • the network side device may receive a location service request message (location service request message), which is used to request location information of the target terminal .
  • location service request message location service request message
  • the location information of the above-mentioned target terminal needs to be obtained may include the following situations:
  • the first case the application layer of the target terminal has positioning requirements (for example, V2X app) and the target terminal is within the network coverage.
  • V2X app positioning requirements
  • the target terminal can send a location service request message to the Access and Mobility Management Function (AMF).
  • AMF Access and Mobility Management Function
  • the AMF After receiving the location service request message, the AMF sends the location service request message to the location management function (Location management function, LMF).
  • LMF Location management function
  • the LMF can receive the location service request message.
  • the second case the external server (such as V2X server) has the positioning requirements of the target terminal.
  • V2X server such as V2X server
  • the location service entity (locationservices entity, LCS entity) of the core network may send a location service request message to the AMF.
  • the AMF After receiving the location service request message, the AMF sends the location service request message to the location management function (Location management function, LMF). At this time, the LMF can receive the location service request message.
  • LMF Location management function
  • the AMF has a positioning requirement of the target terminal.
  • the AMF sends a location service request message to the LMF, and at this time, the LMF can receive the location service request message.
  • S304 Determine the target positioning method from the positioning methods, the positioning method includes a side link positioning method, and the target positioning method is used to locate the position information of the target terminal.
  • the network side device may send a message (for example, Request Capabilities message) to The target terminal and/or the anchor terminal sends a capability request to request the capabilities of the target terminal and/or the anchor terminal (eg, sidelink positioning capability, DL-TDOA positioning capability).
  • a capability request to request the capabilities of the target terminal and/or the anchor terminal (eg, sidelink positioning capability, DL-TDOA positioning capability).
  • the target terminal and/or the anchor terminal can feed back its own capability information (for example, sidelink positioning capability, DL-TDOA positioning capability) to the network side device through an LPP message (for example, Provide Capabilities message).
  • LPP message for example, Provide Capabilities message
  • the network side device may determine the target positioning method from the positioning methods according to the received capability information and/or other specified information (such as base station capability, quality of service, etc.) (Quality of Service, QoS) requirements) Determine the target positioning method from the positioning method.
  • the positioning method here may include a sidelink positioning method and/or a RAT-dependent method. Determine the target positioning method from the positioning method, for example, determine to use the sidelink positioning method, or determine to use the DL-TODA positioning method, or determine to use the sidelink positioning method and the DL-TDOA positioning method.
  • the sidelink positioning method may specifically be any one of four sidelink positioning methods.
  • the network side device determines a target positioning method, which may include at least one of the following (1) to (5):
  • the first positioning method when the conditions of the first positioning method are met, the first positioning method is determined as the target positioning method; wherein, the first positioning method is a positioning method in the different positioning methods .
  • the prioritization of the different targeting methods above includes at least one of the following:
  • Priority ranking among the four sidelink positioning methods in the sidelink positioning method and multiple methods in the cellular network-based positioning method (RAT-dependent method).
  • the priority ranking between the sidelink positioning method and the RAT-dependent method may be sidelink positioning method>RAT-dependent method, or may also be sidelink positioning method ⁇ RAT-dependent method.
  • the four sidelink positioning methods in the sidelink positioning method can specifically be UE-configured UE-based sidelink positioning method, UE-configured UE-assisted sidelink positioning method, Network-configured UE-based sidelink positioning method, Network-configured UE -assisted sidelink positioning method.
  • the priority ranking among these four sidelink positioning methods can be Network-configured UE-assisted sidelink positioning method>Network-configured UE based sidelink positioning method>UE-configured UE-based sidelink positioning method>UE- configured UE-assisted sidelink positioning method.
  • the various methods in the positioning method based on the cellular network can specifically be DL-TDOA positioning method, DL-AoD positioning method, Multi-RTT positioning method, NR E-CID positioning method, UL-TDOA positioning method , Any multiple positioning methods in the UL-AoA positioning method.
  • Priority ranking between the four sidelink positioning methods in the sidelink positioning method and multiple positioning methods in the RAT-dependent method for example, it can be Network-configured UE-assisted sidelink positioning method>Network-configured UE -based sidelink positioning method>UE-configured UE-based sidelink positioning method>UE-configured UE-assisted sidelink positioning method>DL-TDOA positioning method>Multi-RTT positioning method>UL-TDOA positioning method>DL-AoD positioning method.
  • the foregoing first positioning method may be any one of different positioning methods, and the different positioning method may be any one of the sidelink positioning methods and/or any one of the RAT-dependent methods.
  • it may be determined whether the condition of the first positioning method is satisfied according to the priority ranking of different positioning methods.
  • whether the condition of the first positioning method is satisfied can be determined sequentially according to the descending order of priorities of different positioning methods. If the judging result is that the condition of the first positioning method is satisfied, the first positioning method currently being judged is determined as the target positioning method and the judging step is stopped. If the judging result is that the condition of the first positioning method is not met, continue to judge the condition of the first positioning method with the next priority until the target positioning method is determined.
  • the condition of the first positioning method includes at least one of the following:
  • the target terminal and/or the anchor terminal have sidelink positioning capabilities
  • the target terminal and/or the anchor terminal has the ability to configure sidelink positioning configuration information
  • the target terminal and/or the anchor terminal has the ability to calculate the positioning result
  • the target terminal and/or the anchor terminal is not within the coverage of the network
  • Target terminals have positioning requirements.
  • the sidelink positioning method includes the first method and/or the second method
  • the first method is a method in which the terminal configures sidelink positioning configuration information (UE-configured sidelink positioning method), which may be specifically UE-configured UE -based sidelink positioning method and/or UE-configured UE-assisted sidelink positioning method.
  • the second method is a method in which the positioning result is calculated by the terminal (UE-based sidelink positioning method), which may specifically be a UE-configured UE-based sidelink positioning method and/or a Network-configured UE-based sidelink positioning method.
  • the sidelink positioning method can be one of the four sidelink positioning methods, or the sidelink positioning method is preferably selected as the third method and/or the fourth method.
  • the four sidelink positioning methods are specifically a method in which the terminal configures the sidelink positioning configuration information and the positioning result is calculated by the terminal (UE-configured UE-based sidelink positioning method), and the terminal configures the sidelink positioning configuration information.
  • the third method is a method of configuring sidelink positioning configuration information by a network side device (Network-configured sidelink positioning method), specifically, it may be a Network-configured UE-based sidelink positioning method and/or a Network-configured UE-assisted sidelink positioning method .
  • the fourth method is a method in which the positioning result is calculated by the network side device (Network-based sidelink positioning method or UE-assisted sidelink positioning method), which can be specifically UE-configured UE-assisted sidelink positioning method and/or Network-configured UE-assisted sidelink positioning method.
  • Network-based sidelink positioning method or UE-assisted sidelink positioning method can be specifically UE-configured UE-assisted sidelink positioning method and/or Network-configured UE-assisted sidelink positioning method.
  • the DL-TDOA positioning method, the DL-AoD positioning method, the Multi-RTT positioning method, the NRE-CID positioning method, the UL positioning method in the RAT-dependent method may be used.
  • -Any one or more of the TDOA positioning method and the UL-AoA positioning method are determined as the target positioning method.
  • the sidelink location method is preferentially selected as the target location method.
  • the UE-configured UE-based sidelink positioning method is preferred as the target positioning method.
  • the specified UE-configured UE-based sidelink positioning method can be used as the target positioning method.
  • the network side device may use the target positioning method to locate the location information of the target terminal.
  • the network side device determines to adopt the sidelink positioning method (UE-configured sidelink positioning method, specifically UE-configured UE-based sidelink positioning method and UE-configured sidelink positioning method and /or UE-configured UE-assisted sidelink positioning method)
  • the network side device can request the target terminal to perform a sidelink positioning method in which the terminal configures the sidelink positioning configuration information through the LPP message, so as to locate the location information of the target terminal.
  • the network side device when the target terminal has a positioning requirement, receives the location service request message, and the network side device determines a target positioning method for locating the position information of the target terminal.
  • a target positioning method for locating the target terminal when locating the target terminal, a specific locating method for locating the target terminal can be determined, and furthermore, position information of the target terminal can be obtained accurately and quickly.
  • Step 11 The application layer of the Target UE has positioning requirements.
  • Step 12 Target UE determines the target positioning method from the positioning methods according to the first rule.
  • Target UE determining the target positioning method from the positioning methods according to the first rule can refer to the embodiment shown in FIG. 2 , and will not be described in detail here.
  • steps 13 to 18 can be performed to obtain the location information of the Target UE.
  • Step 13 The Target UE starts the process of selecting the Anchor UE (one or more) positioned by the sidelink among other UEs.
  • Step 14 For other UEs that have not established a PC5 unicast link (unicast link) with the Target UE, the upper layer (PC5-S) of the Target UE initiates a PC5 unicast link establishment process. After the PC5 unicast link establishment process, the Target UE establishes a PC5 unicast link with some other UEs.
  • PC5-S PC5 unicast link establishment process
  • Step 15 Target UE sends information related to sidelink positioning (such as Target UE information (sidelink positioning capability, mobile status, etc.), sidelink positioning information (such as sidelink positioning method, positioning accuracy, etc.), requirements for other UEs (such as sidelink positioning Capability requirements, etc.), request information of other UEs (such as sidelink positioning capabilities of other UEs, zone information of other UEs, mobile status of other UEs, location information of other UEs, etc.)) to other UEs that have established PC5 unicast link.
  • sidelink positioning such as Target UE information (sidelink positioning capability, mobile status, etc.)
  • sidelink positioning information such as sidelink positioning method, positioning accuracy, etc.
  • requirements for other UEs such as sidelink positioning Capability requirements, etc.
  • request information of other UEs such as sidelink positioning capabilities of other UEs, zone information of other UEs, mobile status of other UEs, location information of other UEs, etc.
  • Step 16 After other UEs receive the sidelink positioning-related information sent by the Target UE, they determine whether to send feedback according to certain rules (for example, whether other UEs meet the "requirements for other UEs" in the received sidelink positioning-related information) Information to Target UE. If necessary, other UEs send feedback information to the Target UE.
  • the feedback information of other UEs may be, for example, sidelink positioning capabilities of other UEs, zone information of other UEs, movement status of other UEs, location information of other UEs, and the like.
  • Step 17 The Target UE selects the Anchor UE for sidelink positioning according to the received feedback information.
  • Step 18 After the Target UE selects the Anchor UE, the Target UE locates the location information of the Target UE.
  • the Target UE can locate the location information of the Target UE through the following steps 18a-1 to 18a-3, or it can also locate the location information of the Target UE through the following steps 18b-1 to 18b-3, which one is used specifically?
  • the method can be stipulated by the protocol, configured by the network (for example, pre-configured by the network), or realized by the Target UE, etc.
  • the network side device has been pre-configured to the Target UE
  • the location information of the Target UE can be located through steps 18a-1 to 18a-3, and if the Target UE does not have the ability to configure sidelink positioning configuration information, it can be located through step 18b -1 to step 18b-3 locate the location information of the Target UE.
  • Step 18a-1 The Target UE determines the configuration information of sidelink positioning (such as the configuration of the Positioning Reference Signal (PRS) of the sidelink), which may be pre-configured by the network or determined by the Target UE itself. Then the Target UE sends the configuration information of the sidelink positioning to the Anchor UE, and at the same time requests the Anchor UE's location information, etc. Request the location information of the Anchor UE from the Anchor UE).
  • sidelink positioning such as the configuration of the Positioning Reference Signal (PRS) of the sidelink
  • PRS Positioning Reference Signal
  • Step 18a-2 After the Anchor UE receives the configuration information of sidelink positioning sent by the Target UE, the request for the location information of the Anchor UE, etc., the Anchor UE sends the measurement result of the sidelink positioning and the location information of the Anchor UE to the Target UE.
  • Step 18a-3 After the Target UE receives the sidelink positioning measurement result sent by the Anchor UE, the location information of the Anchor UE, etc., the Target UE calculates the positioning result of the Target UE according to the measurement result and the location information of the Anchor UE.
  • Step 18b-1 The Target UE requests the configuration information of the sidelink positioning from the Anchor UE (it can only send the request, or can also send the content of the configuration information of the sidelink positioning at the same time), and at the same time requests the location information of the Anchor UE from the Anchor UE, etc. (optional Specifically, if the feedback information in step 15 already includes "location information of other UEs", the location information of the Anchor UE may not be requested from the Anchor UE).
  • Step 18b-2 After the Anchor UE receives the request information sent by the Target UE, the Anchor UE sends the configuration information of sidelink positioning, the location information of the Anchor UE, etc. to the Target UE.
  • Step 18b-3 After the Target UE receives the sidelink positioning configuration information sent by the Anchor UE, the location information of the Anchor UE, etc., the Target UE performs sidelink positioning measurement, and calculates the positioning of the Target UE according to the measurement results and the location information of the Anchor UE. result.
  • Step 21 The location of the Target UE needs to be obtained, and the LMF receives the location service request message.
  • the Target UE sends a location service request message to the AMF.
  • the AMF receives the location service request message, the AMF sends the location service request message to the LMF.
  • an external server (such as a V2X server) has a positioning requirement of a Target UE, and the LCS entity of the core network sends a location service request message to the AMF. After the AMF receives the location service request message, the AMF sends the location service request message to the LMF.
  • the AMF has a positioning requirement of the Target UE, and the AMF sends a location service request message to the LMF.
  • Step 22 After receiving the location service request message, the LMF requests capabilities (for example, sidelink positioning capability, DL-TDOA positioning capability) from the Target UE and/or Anchor UE through the LPP message (for example, Request Capabilities message).
  • capabilities for example, sidelink positioning capability, DL-TDOA positioning capability
  • Step 23 After Target UE and/or Anchor UE receives the capability request message sent by LMF, Target UE and/or Anchor UE feeds back its capability information (for example, sidelink positioning capability) to LMF through LPP message (for example, Provide Capabilities message) , DL-TDOA positioning capability).
  • capability information for example, sidelink positioning capability
  • LPP message for example, Provide Capabilities message
  • Step 24 The LMF determines the target positioning method from the positioning methods according to the received capability information feedback and/or other factors (such as base station capabilities, QoS requirements) (for example, decide to use the sidelink positioning method, decide to use the DL-TODA positioning method , it is decided to adopt two positioning methods, the sidelink positioning method and the DL-TDOA positioning method.
  • the specific method of the sidelink positioning method may be any one of the four sidelink positioning methods).
  • steps 25 and 26 can be performed to obtain the location information of the Target UE.
  • Step 25 The LMF determines sidelink positioning configuration information (for example, sidelink PRS configuration) and Anchor UE information (for example, location information), and sends the two information to the Target UE.
  • sidelink positioning configuration information for example, sidelink PRS configuration
  • Anchor UE information for example, location information
  • the sidelink positioning configuration information is determined by the LMF itself, and the Anchor UE information is requested by the LMF to the Anchor UE.
  • the specific implementation is as follows:
  • Step 25a-1 LMF requests Anchor UE information from Anchor UE through LPP message (such as Provide Assistance Data message, new LPP message) and informs Anchor UE of sidelink positioning configuration information.
  • LPP message such as Provide Assistance Data message, new LPP message
  • Step 25a-2 After the Anchor UE receives the Anchor UE information requested by the LMF and the configured sidelink positioning configuration information, the Anchor UE feeds back its own information to the LMF.
  • the specific feedback method is, for example, through the Sidelink UE Information NR message feedback.
  • Step 25a-3 After the LMF receives the Anchor UE information fed back by the Anchor UE, the LMF sends sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • both the sidelink positioning configuration information and the Anchor UE information are requested by the LMF to the Anchor UE.
  • the specific implementation is as follows:
  • Step 25b-1 LMF requests sidelink positioning configuration information and Anchor UE information to Anchor UE through LPP message (such as Provide Assistance Data message, new LPP message).
  • LPP message such as Provide Assistance Data message, new LPP message.
  • Step 25b-2 After the Anchor UE receives the LMF request for sidelink positioning configuration information and Anchor UE information, the Anchor UE determines the sidelink positioning configuration information, and then feeds back the sidelink positioning configuration information and Anchor UE information to the LMF through the LPP message.
  • Step 25b-3 After the LMF receives the sidelink positioning configuration information and Anchor UE information fed back by the Anchor UE, the LMF sends the sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message) .
  • an LPP message such as a Provide Assistance Data message, a new LPP message
  • the specific implementation is as follows:
  • Step 25c-1 The LMF requests sidelink positioning configuration information and Anchor UE information from the base station, and the specific request method is, for example, through a POSITIONING INFORMATION REQUEST message or a TRP information request message request.
  • Step 25c-2 After the base station receives the LMF request for sidelink positioning configuration information and Anchor UE information, the base station requests the sidelink positioning configuration information and Anchor UE information from the Anchor UE through an RRC message (such as RRC Reconfiguration).
  • RRC message such as RRC Reconfiguration
  • Step 25c-3 After the Anchor UE receives the base station's request for sidelink positioning configuration information and Anchor UE information, the Anchor UE determines the sidelink positioning configuration information, and then feeds back the sidelink positioning configuration information and Anchor UE information to the base station. Specific feedback methods such as feedback through Sidelink UE Information NR messages.
  • Step 25c-4 After receiving the sidelink positioning configuration information and Anchor UE information fed back by the Anchor UE, the base station feeds back the sidelink positioning configuration information and Anchor UE information to the LMF.
  • Specific feedback methods such as POSITIONING INFORMATION RESPONSE message feedback.
  • Step 25c-5 After the LMF receives the sidelink positioning configuration information and Anchor UE information fed back by the base station, the LMF sends the sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • Case 4 The sidelink positioning configuration information is determined by the base station.
  • the specific implementation is as follows:
  • Step 25d-1 The LMF requests sidelink positioning configuration information and Anchor UE information from the base station, and the specific request method is, for example, through a POSITIONING INFORMATION REQUEST message or a TRP information request message request.
  • Step 25d-2 After the base station receives the sidelink positioning configuration information and Anchor UE information requested by the LMF, the base station determines the sidelink positioning configuration information. The base station requests the Anchor UE information and informs the sidelink positioning configuration information to the Anchor UE through an RRC message (such as RRC Reconfiguration).
  • RRC message such as RRC Reconfiguration
  • Step 25d-3 After the Anchor UE receives the sidelink positioning configuration information requested by the base station and the configured sidelink positioning configuration information, the Anchor UE feeds back the Anchor UE information to the base station. Specific feedback methods such as feedback through Sidelink UE Information NR messages.
  • Step 25d-4 After the base station receives the Anchor UE information fed back by the Anchor UE, the gNB feeds back the sidelink positioning configuration information and the Anchor UE information to the LMF.
  • the specific feedback method is sent through POSITIONING INFORMATION RESPONSE message, for example.
  • Step 25d-5 After the LMF receives the sidelink positioning configuration information and Anchor UE information fed back by the base station, the LMF sends the sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • the specific implementation method may be stipulated in the agreement or implemented by the LMF.
  • Step 26 After the Target UE receives the sidelink positioning configuration information sent by the LMF, the location information of the Anchor UE, etc., the Target UE performs sidelink positioning measurement, and calculates the positioning result of the Target UE according to the measurement results and the location information of the Anchor UE.
  • Step 31 The location of the Target UE needs to be obtained, and the LMF receives the location service request message.
  • the Target UE sends a location service request message to the AMF.
  • the AMF receives the location service request message, the AMF sends the location service request message to the LMF.
  • an external server (such as a V2X server) has a positioning requirement of a Target UE, and the LCS entity of the core network sends a location service request message to the AMF. After the AMF receives the location service request message, the AMF sends the location service request message to the LMF.
  • the AMF has a positioning requirement of the Target UE, and the AMF sends a location service request message to the LMF.
  • Step 32 After receiving the location service request message, the LMF determines the target location method from the location methods.
  • the LMF determines to adopt the UE-configured sidelink positioning method
  • the LMF requests the Target UE to perform UE-configured sidelink positioning through an LPP message.
  • the following steps 33 to 39 may be performed to obtain the location information of the Target UE through positioning.
  • Step 33 The Target UE starts the process of selecting the Anchor UE (one or more) positioned by the sidelink among other UEs.
  • Step 34 For other UEs that have not established a PC5 unicast link with the Target UE, the upper layer of the Target UE (PC5-S) initiates the PC5 unicast link establishment process; after the PC5 unicast link establishment process, the Target UE establishes a PC5 unicast link with some other UEs .
  • PC5-S the upper layer of the Target UE
  • Step 35 Target UE sends information related to sidelink positioning (such as Target UE information (sidelink positioning capability, mobile status, etc.), sidelink positioning information (such as sidelink positioning method, positioning accuracy, etc.), requirements for other UEs (such as sidelink positioning Capability requirements, etc.), request information of other UEs (such as sidelink positioning capabilities of other UEs, zone information of other UEs, mobile status of other UEs, location information of other UEs, etc.)) to other UEs that have established PC5 unicast link.
  • sidelink positioning such as Target UE information (sidelink positioning capability, mobile status, etc.)
  • sidelink positioning information such as sidelink positioning method, positioning accuracy, etc.
  • requirements for other UEs such as sidelink positioning Capability requirements, etc.
  • request information of other UEs such as sidelink positioning capabilities of other UEs, zone information of other UEs, mobile status of other UEs, location information of other UEs, etc.
  • Step 36 After other UEs receive the sidelink positioning-related information sent by the Target UE, determine whether to send feedback according to certain rules (for example, whether other UEs meet the "requirements for other UEs" in the received sidelink positioning-related information) Information to Target UE. If necessary, other UEs send feedback information to the Target UE.
  • the feedback information of other UEs may be, for example, sidelink positioning capabilities of other UEs, zone information of other UEs, movement status of other UEs, location information of other UEs, and the like.
  • Step 37 The Target UE selects the Anchor UE for sidelink positioning according to the received feedback information.
  • Step 38 After the Target UE selects the Anchor UE, it sends information for positioning to the LMF.
  • the Target UE may send information for positioning to the LMF through the following steps 38a-1 to 38a-3, or may also send information for positioning to the LMF through the following steps 38b-1 to 38b-3, Which method to use can be specified by the protocol, configured by the network (such as network pre-configuration), or implemented by the Target UE, etc. For example, if the network-side device has been pre-configured to the Target UE, it can send positioning information to the LMF through steps 38a-1 to 38a-3, and if the Target UE does not have the ability to configure sidelink positioning configuration information, it can pass Steps 38b-1 to 38b-3 send information for positioning to the LMF.
  • Step 38a-1 The Target UE determines the sidelink positioning configuration information (such as sidelink PRS configuration), which may be pre-configured by the network or determined by the Target UE itself; then the Target UE sends the sidelink positioning configuration information to the Anchor UE, At the same time, the location information of the Anchor UE is requested from the Anchor UE (optionally, if the feedback information in step 35 already includes "location information of other UEs", the location information of the Anchor UE may not be requested from the Anchor UE).
  • the sidelink positioning configuration information such as sidelink PRS configuration
  • Step 38a-2 After the Anchor UE receives the configuration information of the sidelink positioning sent by the Target UE, the request for the location information of the Anchor UE, etc., the Anchor UE sends the measurement result of the sidelink positioning and the location information of the Anchor UE to the Target UE.
  • Step 38a-3 After receiving the sidelink positioning measurement result sent by the Anchor UE, the location information of the Anchor UE, etc., the Target UE sends the received information to the LMF.
  • Step 38b-1 The Target UE requests the configuration information of the sidelink positioning from the Anchor UE (it can only send the request, or send the content of the configuration information of the sidelink positioning at the same time), and at the same time requests the location information of the Anchor UE from the Anchor UE (optional Alternatively, if the feedback information in step 35 already includes "location information of other UEs", the location information of the Anchor UE may not be requested from the Anchor UE).
  • Step 38b-2 After the Anchor UE receives the request information sent by the Target UE, the Anchor UE sends the configuration information of sidelink positioning, the location information of the Anchor UE, etc. to the Target UE.
  • Step 38b-3 After the Target UE receives the sidelink positioning configuration information and the location information of the Anchor UE sent by the Anchor UE, the Target UE performs sidelink positioning measurement; then the Target UE sends the measurement results and the Anchor UE location information to the LMF.
  • Step 39 After receiving the information sent by the Target UE, the LMF calculates the positioning result of the Target UE. Then the LMF sends the positioning result to the AMF. After the AMF receives it, it can send the positioning result of the Target UE to the Target UE or an external application server.
  • Step 41 The location of the Target UE needs to be obtained, and the LMF receives the location service request message.
  • the Target UE sends a location service request message to the AMF.
  • the AMF receives the location service request message, the AMF sends the location service request message to the LMF.
  • an external server (such as a V2X server) has a positioning requirement of a Target UE, and the LCS entity of the core network sends a location service request message to the AMF. After the AMF receives the location service request message, the AMF sends the location service request message to the LMF.
  • the AMF has a positioning requirement of the Target UE, and the AMF sends a location service request message to the LMF.
  • Step 42 After receiving the location service request message, the LMF requests capabilities (for example, sidelink positioning capability, DL-TDOA positioning capability) from the Target UE and/or Anchor UE through the LPP message (for example, Request Capabilities message).
  • capabilities for example, sidelink positioning capability, DL-TDOA positioning capability
  • Step 43 After Target UE and/or Anchor UE receives the capability request message sent by LMF, Target UE and/or Anchor UE feeds back its capability information (for example, sidelink positioning capability) to LMF through LPP message (for example, Provide Capabilities message) , DL-TDOA positioning capability).
  • capability information for example, sidelink positioning capability
  • LPP message for example, Provide Capabilities message
  • Step 44 The LMF determines the target positioning method from the positioning methods according to the received capability information feedback and/or other factors (such as base station capabilities, QoS requirements) (for example, decide to use the sidelink positioning method, decide to use the DL-TODA positioning method , it is decided to adopt two positioning methods, the sidelink positioning method and the DL-TDOA positioning method.
  • the specific method of the sidelink positioning method may be any one of the four sidelink positioning methods).
  • step 45 and step 47 can be performed to obtain the location information of the Target UE.
  • Step 45 The LMF determines sidelink positioning configuration information (for example, sidelink PRS configuration) and Anchor UE information (for example, location information), and sends the two information to the Target UE.
  • sidelink positioning configuration information for example, sidelink PRS configuration
  • Anchor UE information for example, location information
  • the sidelink positioning configuration information is determined by the LMF itself, and the Anchor UE information is requested by the LMF to the Anchor UE.
  • the specific implementation is as follows:
  • Step 45a-1 LMF requests Anchor UE information from Anchor UE through LPP message (such as Provide Assistance Data message, new LPP message) and informs Anchor UE of sidelink positioning configuration information.
  • LPP message such as Provide Assistance Data message, new LPP message
  • Step 45a-2 After the Anchor UE receives the Anchor UE information requested by the LMF and the configured sidelink positioning configuration information, the Anchor UE feeds back its own information to the LMF.
  • the specific feedback method is, for example, through the Sidelink UE Information NR message feedback.
  • Step 45a-3 After the LMF receives the Anchor UE information fed back by the Anchor UE, the LMF sends sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • both the sidelink positioning configuration information and the Anchor UE information are requested by the LMF to the Anchor UE.
  • the specific implementation is as follows:
  • Step 45b-1 The LMF requests sidelink positioning configuration information and Anchor UE information from the Anchor UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • Step 45b-2 After the Anchor UE receives the LMF request for sidelink positioning configuration information and Anchor UE information, the Anchor UE determines the sidelink positioning configuration information, and then feeds back the sidelink positioning configuration information and Anchor UE information to the LMF through the LPP message.
  • Step 45b-3 After the LMF receives the sidelink positioning configuration information and Anchor UE information fed back by the Anchor UE, the LMF sends the sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message) .
  • an LPP message such as a Provide Assistance Data message, a new LPP message
  • the specific implementation is as follows:
  • Step 45c-1 The LMF requests sidelink positioning configuration information and Anchor UE information from the base station.
  • the specific request method is, for example, through a POSITIONING INFORMATION REQUEST message or a TRP information request message request.
  • Step 45c-2 After the base station receives the LMF request for sidelink positioning configuration information and Anchor UE information, the base station requests the sidelink positioning configuration information and Anchor UE information from the Anchor UE through an RRC message (such as RRC Reconfiguration).
  • RRC message such as RRC Reconfiguration
  • Step 45c-3 After the Anchor UE receives the base station's request for sidelink positioning configuration information and Anchor UE information, the Anchor UE determines the sidelink positioning configuration information, and then feeds back the sidelink positioning configuration information and Anchor UE information to the base station. Specific feedback methods such as feedback through Sidelink UE Information NR messages.
  • Step 45c-4 After the base station receives the sidelink positioning configuration information and Anchor UE information fed back by the Anchor UE, the gNB feeds back the sidelink positioning configuration information and Anchor UE information to the LMF.
  • the specific feedback method is sent through POSITIONING INFORMATION RESPONSE message, for example.
  • Step 45c-5 After the LMF receives the sidelink positioning configuration information and Anchor UE information fed back by the base station, the LMF sends the sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • Case 4 The sidelink positioning configuration information is determined by the base station.
  • the specific implementation is as follows:
  • Step 45d-1 The LMF requests sidelink positioning configuration information and Anchor UE information from the base station.
  • the specific request method is, for example, through a POSITIONING INFORMATION REQUEST message or a TRP information request message request.
  • Step 45d-2 After the base station receives the sidelink positioning configuration information and Anchor UE information requested by the LMF, the base station determines the sidelink positioning configuration information. The base station requests the Anchor UE information and informs the sidelink positioning configuration information to the Anchor UE through an RRC message (such as RRC Reconfiguration).
  • RRC message such as RRC Reconfiguration
  • Step 45d-3 After the Anchor UE receives the sidelink positioning configuration information requested by the base station and the configured sidelink positioning configuration information, the Anchor UE feeds back the Anchor UE information to the base station. Specific feedback methods such as feedback through Sidelink UE Information NR messages.
  • Step 45d-4 After the base station receives the Anchor UE information fed back by the Anchor UE, the gNB feeds back the sidelink positioning configuration information and the Anchor UE information to the LMF.
  • the specific feedback method is sent through POSITIONING INFORMATION RESPONSE message, for example.
  • Step 45d-5 After the LMF receives the sidelink positioning configuration information and Anchor UE information fed back by the base station, the LMF sends the sidelink positioning configuration information and Anchor UE information to the Target UE through an LPP message (such as a Provide Assistance Data message, a new LPP message).
  • an LPP message such as a Provide Assistance Data message, a new LPP message.
  • the specific implementation method may be stipulated in the agreement or implemented by the LMF.
  • Step 46 After the Target UE receives the sidelink positioning configuration information sent by the LMF, the location information of the Anchor UE, etc., the Target UE performs sidelink positioning measurement. Then, the Target UE sends the measurement results etc. to the LMF.
  • Step 47 After receiving the information sent by the Target UE, the LMF calculates the positioning result of the Target UE. Then the LMF sends the positioning result to the AMF. After the AMF receives it, it can send the positioning result of the Target UE to the Target UE or an external application server.
  • the target terminal when the target terminal has a positioning requirement, the target terminal may determine a target positioning method for locating the location information of the target terminal according to the first rule. Or, when the target terminal has a positioning requirement, the network side device receives the location service request message, and the network side device determines a target positioning method for locating the position information of the target terminal.
  • a specific locating method for locating the target terminal can be determined, and furthermore, position information of the target terminal can be obtained accurately and quickly.
  • the execution body may be the determination device of the positioning method, or the control module used to execute the determination method of the positioning method in the determination device of the positioning method.
  • the device for determining the positioning method provided in the embodiment of the present application is described by taking the device for determining the positioning method to execute the method for determining the positioning method as an example.
  • Fig. 4 is a schematic structural diagram of an apparatus for determining a positioning method according to an embodiment of the present application, and the apparatus may correspond to a target terminal in other embodiments.
  • the device 400 includes the following modules.
  • the determining module 401 is configured to determine a target positioning method from positioning methods according to a first rule when the target terminal has a positioning requirement, the positioning method includes a side link positioning method, and the target positioning method is used to locate the The location information of the target terminal.
  • the determining module 401 is also used for at least one of the following:
  • the first positioning method when the conditions of the first positioning method are met, the first positioning method is determined as the target positioning method; wherein, the first positioning method is one of the different positioning methods a positioning method;
  • a sidelink positioning method is determined as the target positioning method; wherein the sidelink positioning method includes the first method and/or Or the second method, the first method is a method in which the terminal configures sidelink positioning configuration information, and the second method is a method in which the positioning result is calculated by the terminal;
  • the target terminal and/or the anchor terminal determines a sidelink positioning method as the target positioning method, or determine a cellular network-based positioning method as the target positioning method method, or determine the side-link positioning method and the positioning method based on the cellular network as the target positioning method; wherein, the side-link positioning method is one of the four side-link positioning methods, or, the The side link positioning method is preferably selected as the third method and/or the fourth method, and the four side link positioning methods include a method in which the side link positioning configuration information is configured by the terminal and the positioning result is calculated by the terminal, configured by the terminal.
  • the method in which sidelink positioning configuration information and positioning results are calculated by network-side equipment, the method in which network-side equipment configures sidelink positioning configuration information and the positioning results are calculated by terminals, and the network-side equipment configures sidelink positioning configuration information and positioning A method in which the result is calculated by the network-side device, the third method is a method in which the network-side device configures sidelink positioning configuration information,
  • one or more methods are preferentially determined as the target positioning method
  • the target terminal When the target terminal is within the coverage of the network, the target terminal sends a request message to the network side device; the target terminal determines the target positioning method according to the feedback message from the network side device.
  • the prioritization of the different positioning methods includes at least one of the following:
  • the conditions of the first positioning method include at least one of the following:
  • the target terminal and/or the anchor terminal has a sidelink positioning capability
  • the target terminal and/or the anchor terminal has the ability to configure sidelink positioning configuration information
  • the target terminal and/or the anchor terminal has the ability to calculate positioning results
  • the target terminal and/or the anchor terminal is not within the coverage of the network
  • the target terminal has a positioning requirement.
  • the first rule satisfies any of the following:
  • the device 400 according to the embodiment of the present application can refer to the process of the method 200 corresponding to the embodiment of the present application, and each unit/module in the device 400 and the above-mentioned other operations and/or functions are respectively in order to realize the corresponding process in the method 200, And can achieve the same or equivalent technical effect, for the sake of brevity, no more details are given here.
  • Fig. 5 is a schematic structural diagram of an apparatus for determining a positioning method according to an embodiment of the present application, and the apparatus may correspond to network-side devices in other embodiments.
  • the device 500 includes the following modules.
  • a receiving module 501 configured to receive a location service request message, where the location service request message is used to request location information of a positioning target terminal;
  • the determining module 502 is configured to determine a target positioning method from positioning methods, the positioning method includes a sidelink positioning method, and the target positioning method is used to locate the position information of the target terminal.
  • the apparatus 500 further includes a sending module 503, configured to send a capability request to the target terminal and/or the anchor terminal through a Long Term Evolution Positioning Protocol (LPP) message;
  • a sending module 503 configured to send a capability request to the target terminal and/or the anchor terminal through a Long Term Evolution Positioning Protocol (LPP) message;
  • LPP Long Term Evolution Positioning Protocol
  • the receiving module 501 is further configured to receive capability information fed back by the target terminal and/or anchor terminal through the LPP message;
  • the determination module 502 is used for:
  • the target positioning method is determined from positioning methods according to the capability information and/or other specified information.
  • the determining module 502 is also used for at least one of the following:
  • the first positioning method when the conditions of the first positioning method are met, the first positioning method is determined as the target positioning method; wherein, the first positioning method is one of the different positioning methods a positioning method;
  • a sidelink positioning method is determined as the target positioning method; wherein the sidelink positioning method includes the first method and/or Or the second method, the first method is a method in which the terminal configures sidelink positioning configuration information, and the second method is a method in which the positioning result is calculated by the terminal;
  • the target terminal and/or the anchor terminal determines a sidelink positioning method as the target positioning method, or determine a cellular network-based positioning method as the target positioning method method, or determine the side-link positioning method and the positioning method based on the cellular network as the target positioning method; wherein, the side-link positioning method is one of the four side-link positioning methods, or, the The side link positioning method is preferably selected as the third method and/or the fourth method, and the four side link positioning methods include a method in which the side link positioning configuration information is configured by the terminal and the positioning result is calculated by the terminal, configured by the terminal.
  • the method in which sidelink positioning configuration information and positioning results are calculated by network-side equipment, the method in which network-side equipment configures sidelink positioning configuration information and the positioning results are calculated by terminals, and the network-side equipment configures sidelink positioning configuration information and positioning A method in which the result is calculated by the network side device, the third method is a method in which the network side device configures side link positioning configuration information, and the
  • one or more methods are preferentially determined as the target positioning method
  • the specified positioning method is determined as the target positioning method.
  • the prioritization of different positioning methods includes at least one of the following:
  • the conditions of the first positioning method include at least one of the following:
  • the target terminal and/or the anchor terminal has a sidelink positioning capability
  • the target terminal and/or the anchor terminal has the ability to configure sidelink positioning configuration information
  • the target terminal and/or the anchor terminal has the ability to calculate positioning results
  • the target terminal and/or the anchor terminal is not within the coverage of the network
  • the target terminal has a positioning requirement.
  • the determining module 502 is further configured to:
  • the network side device If it is determined to adopt the sidelink positioning method in which the terminal configures the sidelink positioning configuration information, the network side device requests the target terminal to perform the sidelink positioning method in which the terminal configures the sidelink positioning configuration information through an LPP message.
  • the device 500 according to the embodiment of the present application can refer to the process of the method 300 corresponding to the embodiment of the present application, and each unit/module in the device 500 and the above-mentioned other operations and/or functions are respectively in order to realize the corresponding process in the method 300, And can achieve the same or equivalent technical effect, for the sake of brevity, no more details are given here.
  • the device for determining the positioning method in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the device for determining the positioning method provided in the embodiment of the present application can realize the various processes realized by the method embodiments in FIG. 2 to FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • this embodiment of the present application further provides a communication device 600, including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601,
  • a communication device 600 including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601
  • the communication device 600 is the target terminal
  • the program or instruction is executed by the processor 601
  • each process of the determination method embodiment of the above positioning method can be realized, and the same technical effect can be achieved.
  • the communication device 600 is a network-side device
  • the program or instruction is executed by the processor 601
  • each process of the determination method embodiment of the above-mentioned positioning method can be implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface.
  • the processor is used to determine the target positioning method from the positioning methods according to the first rule when the target terminal has a positioning requirement.
  • the positioning method includes a side chain A road locating method, the target locating method is used for locating the location information of the target terminal.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710, etc. at least some of the components.
  • the terminal 700 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 710 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042, and the graphics processor 7041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072 .
  • the touch panel 7071 is also called a touch screen.
  • the touch panel 7071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 701 receives the downlink data from the network side device, and processes it to the processor 710; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 709 can be used to store software programs or instructions as well as various data.
  • the memory 709 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 709 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 710 .
  • the processor 710 is configured to determine the target positioning method from the positioning methods according to the first rule when the target terminal has a positioning requirement, the positioning method includes a side link positioning method, and the target positioning method is used for positioning The location information of the target terminal.
  • the target terminal when the target terminal has a positioning requirement, the target terminal may determine a target positioning method for locating the location information of the target terminal according to the first rule.
  • a specific locating method for locating the target terminal can be determined, and furthermore, position information of the target terminal can be obtained accurately and quickly.
  • the terminal 700 provided in the embodiment of the present application can also implement each process of the determination method embodiment of the positioning method described above, and can achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface.
  • the communication interface is used to receive a location service request message.
  • a target positioning method is determined, the positioning method includes a side link positioning method, and the target positioning method is used to locate position information of the target terminal.
  • the network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network device 800 includes: an antenna 81 , a radio frequency device 82 , and a baseband device 83 .
  • the antenna 81 is connected to a radio frequency device 82 .
  • the radio frequency device 82 receives information through the antenna 81, and sends the received information to the baseband device 83 for processing.
  • the baseband device 83 processes the information to be sent and sends it to the radio frequency device 82
  • the radio frequency device 82 processes the received information and sends it out through the antenna 81 .
  • the foregoing frequency band processing device may be located in the baseband device 83 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 83 , and the baseband device 83 includes a processor 84 and a memory 85 .
  • Baseband device 83 for example can comprise at least one baseband board, and this baseband board is provided with a plurality of chips, as shown in Fig. The network device operations shown in the above method embodiments.
  • the baseband device 83 may also include a network interface 86 for exchanging information with the radio frequency device 82, such as a common public radio interface (CPRI for short).
  • a network interface 86 for exchanging information with the radio frequency device 82, such as a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present application also includes: instructions or programs stored in the memory 85 and operable on the processor 84, and the processor 84 calls the instructions or programs in the memory 85 to execute the modules shown in FIG. 5 To avoid duplication, the method of implementation and to achieve the same technical effect will not be repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium may be volatile or non-volatile, and a program or instruction is stored on the readable storage medium, the program or When the instructions are executed by the processor, each process of the determination method embodiment of the above-mentioned positioning method can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the determination method of the above positioning method
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the determination method of the above positioning method
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the embodiment of the present application further provides a computer program/program product, the computer program/program product is stored in a non-transitory storage medium, and the computer program/program product is executed by at least one processor to realize the above positioning Determination of the method
  • the computer program/program product is stored in a non-transitory storage medium, and the computer program/program product is executed by at least one processor to realize the above positioning Determination of the method
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande divulgue un procédé de détermination de procédé de positionnement, un terminal et un dispositif côté réseau, et appartient au domaine technique des communications de terminal. Selon un mode de réalisation de la présente demande, le procédé de détermination comprend : la détermination par un terminal cible d'un procédé de positionnement cible parmi des procédés de positionnement selon une première règle lorsque le terminal cible a une exigence de positionnement, les procédés de positionnement comprenant un procédé de positionnement de liaison latérale, et le procédé de positionnement cible étant utilisé pour positionner des informations d'emplacement du terminal cible.
PCT/CN2022/124886 2021-10-13 2022-10-12 Procédé de détermination de procédé de positionnement, terminal et dispositif côté réseau Ceased WO2023061411A1 (fr)

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WO2025020096A1 (fr) * 2023-07-25 2025-01-30 Oppo广东移动通信有限公司 Procédé et appareil de communication utilisés pour un scénario de service de positionnement sl, dispositif et support

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