WO2023208141A1 - 获取位置信息的方法、通信装置及系统 - Google Patents

获取位置信息的方法、通信装置及系统 Download PDF

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Publication number
WO2023208141A1
WO2023208141A1 PCT/CN2023/091323 CN2023091323W WO2023208141A1 WO 2023208141 A1 WO2023208141 A1 WO 2023208141A1 CN 2023091323 W CN2023091323 W CN 2023091323W WO 2023208141 A1 WO2023208141 A1 WO 2023208141A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
target positioning
positioning time
location information
time
Prior art date
Application number
PCT/CN2023/091323
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English (en)
French (fr)
Inventor
许胜锋
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023208141A1 publication Critical patent/WO2023208141A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • 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
    • 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
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination

Definitions

  • the present application relates to the field of communications, and in particular, to a method, communications device and system for obtaining location information.
  • terminal equipment With the rapid development of mobile communications, the positioning of terminal equipment is widely used in scenarios such as Internet of Vehicles, autonomous driving, intelligent manufacturing, smart logistics, and drones.
  • terminal equipment can perform positioning measurements based on the positioning reference signaling (PRS) sent by surrounding cells, and then send the obtained positioning measurement data to the location management function (LMF) network element.
  • the positioning measurement data determines the location information of the terminal device.
  • PRS positioning reference signaling
  • LMF location management function
  • This application provides a method, communication device and system for obtaining location information, which can solve the problem of inaccurate positioning of terminal equipment.
  • the first aspect is to provide a method of obtaining location information.
  • the method may be performed by a communication device, which may be a first location management function, a first terminal device or a second terminal device.
  • the method includes: the communication device obtains the location information of the second terminal device, where the location information of the second terminal device is determined according to the target positioning time, and the second terminal device is used to assist the first terminal device in positioning.
  • the communication device obtains relative position information between the second terminal device and the first terminal device, where the relative position information is determined based on the target positioning time.
  • the communication device determines the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • the communication device can use the second terminal device to assist the first terminal device in positioning, measure and determine the location information of the second terminal device based on the same target positioning time, and the first terminal device and the second terminal
  • the relative position information of the device can avoid the problem of out-of-synchronization of data used for positioning calculation of the first terminal device, and use the position information and relative position information of the second terminal device measured at the same time or at the same time to determine the first terminal device.
  • the location information can solve the problem of inaccurate positioning of the terminal device due to the mobility of the terminal device, thereby improving the positioning precision and accuracy of the terminal device.
  • the method described in the first aspect may further include: obtaining the target positioning time.
  • the communication device can be configured locally to obtain the target positioning time or obtain the target positioning time from other devices, thereby completing the positioning of the first terminal device based on the target positioning time, which can solve the problem of out-of-synchronization of data used for positioning calculation of the first terminal device.
  • the method for obtaining location information described in the first aspect is applied to the first location management Management function network element, the first location management function network element is used to serve the first terminal device.
  • the method may further include: sending the target positioning time to the first gateway mobile positioning center, the first gateway mobile positioning center being used to serve the second terminal device, and the target positioning time being used to determine the location information of the second terminal device; or, sending the target positioning time to the first gateway mobile positioning center.
  • a mobility management function network element sends a target positioning time, the first mobility management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device.
  • the method is applied to the first location management function network element, that is, the communication device can be the first location management function network element, and the first location management function network element can move the positioning center to the first gateway serving the second terminal device.
  • the first mobility management function network element sends the target positioning time, so that the first gateway mobile positioning center or the first mobility management function network element can send the target positioning time to the second terminal device, and then the second terminal device can according to Positioning measurement is performed according to the target positioning time to obtain the position information of the second terminal device, thereby positioning the first terminal device and improving the positioning accuracy of the first terminal device.
  • obtaining the target positioning time includes: receiving preset positioning information from a positioning server.
  • the preset positioning information may include one or more of the following: preset positioning time, time interval, or response time.
  • the first location management function network element can set the target positioning time according to the preset positioning information, so that the position information and relative position information of the second terminal device can be obtained based on the target positioning time measurement, thereby improving the positioning accuracy of the terminal device.
  • the method for obtaining location information described in the first aspect is applied to the second terminal device.
  • the method also includes: sending a target positioning time to a second location management function network element, where the second location management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device.
  • the method for obtaining location information described in the first aspect can be applied to the second terminal device.
  • the second terminal device can obtain the target positioning time and send the target positioning time to the second location management function network element, thereby initiating the second positioning operation. Positioning of the terminal device, obtaining the location information of the second terminal device.
  • obtaining the target positioning time includes: receiving the target positioning time from the first terminal device, and the target positioning time is used to determine the relative position information.
  • the first location management function network element or the second terminal device can obtain the target positioning time from the first terminal device, thereby achieving positioning of the first terminal device.
  • the method described in the first aspect further includes: sending a target positioning time to the first terminal device, where the target positioning time is used to determine the relative position information.
  • the first location management function network element or the second terminal device can also send the target positioning time to the first terminal device for the first terminal device to determine the relative position information.
  • the method for obtaining location information described in the first aspect is applied to the first terminal device.
  • the method also includes: sending a target positioning time to the second terminal device, where the target positioning time is used to determine relative position information.
  • the first terminal device can send the target positioning time to the second terminal device, so that the second terminal device can determine the relative position information and/or the position information of the second terminal device according to the target positioning time.
  • the second aspect is to provide a method of obtaining location information.
  • the method includes: the first terminal device obtains the target positioning time.
  • the first terminal device obtains relative position information between the second terminal device and the first terminal device according to the target positioning time, and the second terminal device is used to assist the first terminal device in positioning.
  • the first terminal device obtains the relative position information according to the target positioning time, which may include: the first terminal device receives a measurement signal from the second terminal device according to the target positioning time. The first terminal device obtains relative position information between the second terminal device and the first terminal device according to the measurement signal.
  • the first terminal device receives the measurement signal from the second terminal device according to the target positioning time, which may include: the first terminal device sends a positioning request to the second terminal device at or before the target positioning time.
  • the first terminal device receives the measurement signal from the second terminal device.
  • the first terminal device obtains the relative position information according to the target positioning time, including: the first terminal device sends a measurement signal to the second terminal device according to the target positioning time.
  • the first terminal device obtains the relative position information between the second terminal device and the first terminal device according to the measurement signal, or the first terminal device receives the relative position information from the second terminal device.
  • the relative position information is determined based on the measurement signal.
  • the first terminal device sends a measurement signal to the second terminal device according to the target positioning time, which may include: the first terminal device sends a measurement signal to the second terminal device at or before the target positioning time.
  • the first terminal device obtains the target positioning time, which may include: the first terminal device receives the target positioning time from the first location management function network element, and the first location management function network element is used to serve the first location management function network element. Terminal Equipment.
  • the method described in the second aspect may further include: the first terminal device sending a target positioning time to the second terminal device, and the target positioning time is used to determine the relative position information.
  • the method described in the second aspect may further include: the first terminal device sending a target positioning time to the first location management function network element, and the target positioning time is used to determine the location information of the second terminal device.
  • the method described in the second aspect may further include: the first terminal device receiving location information of the second terminal device from the second terminal device, and the location information of the second terminal device is based on the target positioning time. definite.
  • the first terminal device determines the location information of the first terminal device based on the relative location information and the location information of the second terminal device.
  • the third aspect is to provide a method of obtaining location information.
  • the method includes: the second terminal device obtains the target positioning time.
  • the second terminal device sends a measurement signal to the first terminal device according to the target positioning time; or, the second terminal device receives a measurement signal from the first terminal device according to the target positioning time.
  • the second terminal device is used to assist the first terminal device in positioning, and the measurement signal is used to determine relative position information between the second terminal device and the first terminal device.
  • obtaining the target positioning time by the second terminal device may include: the second terminal device receives the target positioning time from the first terminal device.
  • the method described in the third aspect may also include: the second terminal device sends the target positioning time to the second location management function network element, the second location management function network element is used to serve the second terminal device, and the target positioning time is To determine the location information of the second terminal device.
  • the method described in the third aspect may further include: the second terminal device obtains relative position information.
  • the second terminal device receives the location information of the second terminal device from the second location management function network element, and the location information of the second terminal device is determined based on the target positioning time.
  • the second terminal device determines the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • the second terminal device sends the location information of the first terminal device to the first terminal device.
  • the method described in the third aspect may also include: the second terminal device receives From the location information of the second terminal device of the second location management function network element, the location information of the second terminal device is determined based on the target positioning time.
  • the second terminal device sends the location information of the second terminal device to the first terminal device, where the location information of the second terminal device is used to determine the location information of the first terminal device.
  • the fourth aspect is to provide a method of obtaining location information.
  • the method can be applied to the first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the method includes: obtaining positioning measurement data, wherein the positioning measurement data includes positioning measurement data between the first terminal device and the mobile relay device, and the positioning measurement data is obtained according to the target positioning time.
  • Obtain the location information of the mobile relay device where the location information of the mobile relay device is determined based on the target positioning time.
  • the location information of the first terminal device is determined based on the positioning measurement data and the location information of the mobile relay device.
  • the first location management function network element can also use the mobile relay device to assist the first terminal device in positioning, also based on the same
  • the target positioning time measures and determines the position information of the mobile relay device and the positioning measurement data of the first terminal device, and uses the position information of the mobile relay device and the positioning measurement data of the first terminal device measured at the same time or at the same time. Determining the location information of the first terminal device can also solve the problem of inaccurate positioning of the terminal device due to the mobility of the terminal device in this scenario, thereby improving the positioning precision and accuracy of the terminal device.
  • obtaining positioning measurement data may include: receiving positioning measurement data from a first terminal device or a mobile relay device between the first terminal device and the mobile relay device.
  • the positioning measurement data of the first terminal device includes the positioning measurement data between the first terminal device and the accessed mobile relay device, and combined with the location information of the mobile relay device, the positioning accuracy can be further improved.
  • the method described in the fourth aspect may further include: obtaining the target positioning time.
  • obtaining the target positioning time may include: receiving preset positioning information from the positioning server.
  • the preset positioning information may include one or more of the following: preset positioning time, time interval, or response time. .
  • the first location management function network element can set the target positioning time according to the preset positioning information, so that the position information and positioning measurement data of the mobile relay device can be obtained based on the target positioning time measurement, and the positioning accuracy of the terminal device can be improved.
  • the method described in the fourth aspect may further include: sending a target positioning time to the first terminal device, where the target positioning time is used to determine the positioning measurement data.
  • the first location management function network element instructs the first terminal device to perform measurements at the positioning time based on the preset target positioning time, thereby ensuring the synchronization of measurement data and improving the positioning accuracy of the terminal device.
  • obtaining the target positioning time may include: receiving the target positioning time from the first terminal device.
  • the target positioning time can be determined by the first terminal device, which can reduce the execution time of the first location management function network element and improve the positioning rate.
  • the method described in the fourth aspect may also include: sending the target positioning time to the second gateway mobile positioning center, the second gateway mobile positioning center is used to serve the mobile relay device, and the target positioning time is used to Determine the location information of the mobile relay device; or, send the target positioning time to the second mobility management function network element, the second mobility management function network element is used to serve the mobile relay device, and the target positioning time is used to determine the mobile relay device. Location information of mobile relay equipment.
  • the first location management function network element can send the target positioning time to the second gateway mobile positioning center or the second mobility management function network element that serves the mobile relay device, so that the target positioning time can be sent to the mobile relay. equipment to complete the position measurement of mobile relay equipment.
  • a communication device in a fifth aspect, includes: a processing module. Wherein, the processing module is used to obtain the location information of the second terminal device, where the location information of the second terminal device is determined based on the target positioning time, and the second terminal device is used to assist the first terminal device in positioning. The processing module is also configured to obtain relative position information between the second terminal device and the first terminal device, where the relative position information is determined based on the target positioning time. The processing module is also configured to determine the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • processing module is also used to obtain the target positioning time.
  • the device described in the fifth aspect is applied to a first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the device further includes: a transceiver module.
  • the transceiver module is used to send the target positioning time to the first gateway mobile positioning center, the first gateway mobile positioning center is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device; or, send and receive A module configured to send a target positioning time to a first mobility management function network element, the first mobility management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device.
  • the transceiver module is configured to receive preset positioning information from the positioning server.
  • the preset positioning information includes one or more of the following: preset positioning time, time interval, or response time.
  • a processing module used to obtain target positioning time based on preset positioning information.
  • the device described in the fifth aspect is applied to the second terminal device.
  • the device also includes: a transceiver module.
  • the transceiver module is used to send the target positioning time to the second location management function network element, wherein the second location management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device. .
  • the transceiver module is used to receive the target positioning time from the first terminal device, and the target positioning time is used to determine the relative position information.
  • the transceiver module is used to send a target positioning time to the first terminal device, and the target positioning time is used to determine relative position information.
  • the device described in the fifth aspect is applied to the first terminal equipment.
  • the device also includes: a transceiver module.
  • the transceiver module is used to send the target positioning time to the second terminal device, and the target positioning time is used to determine the relative position information.
  • the transceiver module may include a receiving module and a sending module.
  • the sending module is used to implement the sending function of the communication device described in the fifth aspect
  • the receiving module is used to implement the receiving function of the communication device described in the fifth aspect.
  • the communication device may further include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the communication device described in the fifth aspect can perform the method described in the first aspect.
  • the communication device described in the fifth aspect may be a terminal device or a network device, or may be a chip (system) or other component or component that can be disposed in the terminal device or network device, or may include a terminal device. Or network equipment, this application does not limit this.
  • a sixth aspect provides a communication device.
  • the device includes: a processing module.
  • the processing module is used to obtain the target positioning time.
  • the processing module is also configured to obtain relative position information between the second terminal device and the first terminal device according to the target positioning time, and the second terminal device is used to assist the first terminal device in positioning.
  • the device described in the sixth aspect further includes: a transceiver module.
  • the transceiver module is used to receive the measurement signal from the second terminal device according to the target positioning time.
  • the transceiver module is also used to obtain relative position information between the second terminal device and the first terminal device according to the measurement signal.
  • the transceiver module is configured to send a positioning request to the second terminal device at or before the target positioning time.
  • the transceiver module is also used to receive the measurement signal from the second terminal device.
  • the transceiver module is used to send a measurement signal to the second terminal device according to the target positioning time.
  • a processing module configured to obtain relative position information between the second terminal device and the first terminal device according to the measurement signal.
  • a transceiver module is configured to receive relative position information from the second terminal device. Among them, the relative position information is determined based on the measurement signal.
  • the transceiver module is configured to send the measurement signal to the second terminal device at or before the target positioning time.
  • the transceiver module is used to receive the target positioning time from the first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the transceiver module is used to send the target positioning time to the second terminal device, and the target positioning time is used to determine the relative position information.
  • the transceiver module is used to send a target positioning time to the first location management function network element, and the target positioning time is used to determine the location information of the second terminal device.
  • the transceiver module is configured to receive location information of the second terminal device from the second terminal device, where the location information of the second terminal device is determined based on the target positioning time.
  • a processing module configured to determine the location information of the first terminal device based on the relative location information and the location information of the second terminal device.
  • the transceiver module may include a receiving module and a sending module.
  • the sending module is used to implement the sending function of the communication device described in the sixth aspect
  • the receiving module is used to implement the receiving function of the communication device described in the sixth aspect.
  • the communication device may further include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the communication device described in the sixth aspect can perform the method described in the second aspect.
  • the communication device described in the sixth aspect may be a terminal device, a chip (system) or other components or components that can be installed in the terminal device, or a device including the terminal device.
  • This application is intended to This is not limited.
  • a communication device in a seventh aspect, includes: processing module and transceiver module.
  • the processing module is used to obtain the target positioning time.
  • the transceiver module is configured to send a measurement signal to the first terminal device according to the target positioning time; or the transceiver module is used to receive the measurement signal from the first terminal device according to the target positioning time.
  • the second terminal device is used to assist the first terminal device in positioning, and the measurement signal is used to determine relative position information between the second terminal device and the first terminal device.
  • the transceiver module is also used to receive the target positioning time from the first terminal device.
  • the transceiver module is used to send the target positioning time to the second location management function network element
  • the second location management function network element is used to serve the second terminal device
  • the target positioning time is used to determine the location information of the second terminal device.
  • the processing module is used to obtain relative position information.
  • the transceiver module is configured to receive location information of the second terminal device from the second location management function network element, where the location information of the second terminal device is determined based on the target positioning time.
  • a processing module configured to determine the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • the transceiver module is configured to send the location information of the first terminal device to the first terminal device.
  • the transceiver module is configured to receive location information of the second terminal device from the second location management function network element, where the location information of the second terminal device is determined based on the target positioning time.
  • the transceiver module is configured to send the location information of the second terminal device to the first terminal device, where the location information of the second terminal device is used to determine the location information of the first terminal device.
  • the transceiver module may include a receiving module and a sending module.
  • the sending module is used to implement the sending function of the communication device described in the seventh aspect
  • the receiving module is used to implement the receiving function of the communication device described in the seventh aspect.
  • the communication device may further include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the communication device described in the seventh aspect can perform the method described in the third aspect.
  • the communication device described in the seventh aspect may be a terminal device, a chip (system) or other components or components that can be installed in the terminal device, or a device including the terminal device. This application is intended to This is not limited.
  • a communication device is provided.
  • the device is applied to a first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the device includes: a processing module.
  • a processing module configured to obtain positioning measurement data, where the positioning measurement data includes positioning measurement data between the first terminal device and the mobile relay device, and the positioning measurement data is obtained according to the target positioning time.
  • the processing module is used to obtain the location information of the mobile relay device, where the location information of the mobile relay device is determined based on the target positioning time.
  • a processing module configured to determine the location information of the first terminal device based on the positioning measurement data and the location information of the mobile relay device.
  • the device described in the eighth aspect further includes: a transceiver module.
  • the transceiver module is configured to receive positioning measurement data between the first terminal device and the mobile relay device from the first terminal device or the mobile relay device.
  • a processing module is used to obtain the target positioning time.
  • the device described in the eighth aspect further includes: a transceiver module;
  • the transceiver module is used to receive preset positioning information from the positioning server.
  • the preset positioning information includes one or more of the following: preset positioning time, time interval, or response time;
  • a processing module used to obtain target positioning time based on preset positioning information.
  • the transceiver module is used to send the target positioning time to the first terminal device.
  • Calibration time is used to determine positioning measurement data.
  • the device described in the eighth aspect further includes: a transceiver module.
  • the transceiver module is used to receive the target positioning time from the first terminal device.
  • the transceiver module is used to send the target positioning time to the second gateway mobile positioning center.
  • the second gateway mobile positioning center is used to serve the mobile relay device.
  • the target positioning time is used to determine the location of the mobile relay device.
  • Location information or, a transceiver module, used to send the target positioning time to the second mobility management function network element, the second mobility management function network element is used to serve the mobile relay device, and the target positioning time is used to determine the mobile relay device location information.
  • the transceiver module may include a receiving module and a sending module.
  • the sending module is used to implement the sending function of the communication device described in the eighth aspect
  • the receiving module is used to implement the receiving function of the communication device described in the eighth aspect.
  • the communication device may further include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the communication device described in the eighth aspect can perform the method described in the fourth aspect.
  • the communication device described in the eighth aspect may be a network device, a chip (system) or other components or components that can be disposed in the network device, or a device including a network device. This application is This is not limited.
  • a communication device in a ninth aspect, includes: a processor and a memory.
  • the memory is used to store computer instructions, and when the processor executes the instructions, the communication device performs the method described in any one of the first aspect and the fourth aspect.
  • the communication device described in the ninth aspect may further include a transceiver.
  • the transceiver can be used for the communication device described in the ninth aspect to communicate with other communication devices.
  • the communication device described in the ninth aspect may be the first location management function network element or the first terminal device or the second terminal device in the first to fourth aspects, or may be provided in the first location management function.
  • a communication system in a tenth aspect, includes a first location management function network element and a second location management function network element.
  • the communication system also includes: a first terminal device and a second terminal device.
  • a computer-readable storage medium including: a computer program or instructions; when the computer program or instructions are run on a computer, the computer is caused to execute the method described in any one of the first and fourth aspects. .
  • a computer program product which includes a computer program or instructions.
  • the computer program or instructions When the computer program or instructions are run on a computer, the computer is caused to execute the method described in any one of the first aspect and the fourth aspect.
  • inventions of the present application provide a computer program.
  • the computer program product includes: a computer program or instructions that, when run on a computer, cause the computer to perform the method described in any one of the first to fourth aspects.
  • Figure 1 is a schematic diagram 1 of the architecture of a communication system provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram 2 of the architecture of a communication system provided by an embodiment of the present application.
  • Figure 3 is a schematic diagram three of the architecture of a communication system provided by an embodiment of the present application.
  • Figure 4 is a schematic flowchart 1 of a method for obtaining location information provided by an embodiment of the present application
  • Figure 5 is a schematic structural diagram of measuring the relative distance between UE1 and UE2 provided by the embodiment of the present application
  • Figure 6 is a schematic structural diagram of measuring the relative angle between UE1 and UE2 provided by the embodiment of the present application.
  • Figure 7 is a schematic flow chart 2 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 8 is a schematic flowchart 3 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 9 is a schematic flow chart 4 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 10 is a schematic flow chart 5 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 11 is a schematic flow chart 6 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 12 is a schematic flowchart 7 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 13 is a schematic flowchart 8 of a method for obtaining location information provided by an embodiment of the present application.
  • Figure 14 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 15 is a schematic second structural diagram of a communication device provided by an embodiment of the present application.
  • the terminal equipment performs positioning measurement based on the PRS sent by the surrounding cells, and then sends the obtained positioning measurement data to the LMF network element.
  • the LMF network element receives positioning measurement data from the terminal device and determines the location information of the terminal device based on the positioning measurement data.
  • the positioning measurement data obtained by the terminal device is inaccurate, resulting in the LMF network element based on the positioning
  • the location information of the terminal device determined by the measurement data is inaccurate.
  • This positioning method performs positioning measurement through the Uu interface and can be called Uu positioning.
  • Another way is for terminal devices with sidelink positioning capabilities to determine the relative distance or relative angle between terminal devices through ranging or angle measurement, so that the relative positioning of the terminal devices can be achieved.
  • the position information obtained by this method is the relative position of the terminal device, that is, the position information of the terminal device obtained is not accurate.
  • This method performs positioning measurements through sidelinks and can be called sidelink positioning.
  • embodiments of the present application provide a method for obtaining location information.
  • the terminal equipment to be positioned can be positioned and measured at the same time.
  • Data, as well as positioning measurement data between terminal devices completes the position calculation of the terminal device to be positioned, which can improve the accuracy of the positioning of the terminal device, thereby obtaining more accurate position information of the terminal device.
  • the technical solutions of the application embodiments can be applied to various communication systems, such as wireless fidelity (wireless fidelity, WiFi) system, vehicle to everything (V2X) communication system, device-to-device (D2D) communication system, Internet of Vehicles communication system, 4th generation (4G) mobile communication system, such as long-term Evolution (long term evolution, LTE) system, global interoperability for microwave access (WiMAX) communication system, 5th generation (5G) mobile communication system, such as new radio (NR) system , and future communication systems, such as the sixth generation (6G) mobile communication system.
  • 4G 4th generation
  • LTE long-term Evolution
  • WiMAX global interoperability for microwave access
  • 5G 5th generation
  • NR new radio
  • future communication systems such as the sixth generation (6G) mobile communication system.
  • FIG. 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present application.
  • the communication system includes: a first location management function network element and a second location management function network element.
  • the first location management function network element and the second location management function network element can communicate directly, or they can communicate through forwarding by other devices, which is not specifically limited in the embodiments of this application.
  • the communication system may also include a first terminal device and a second terminal device.
  • the first location management function network element is used to serve the first terminal device and can manage and control the location service request of the first terminal device.
  • the second location management function network element is used to serve the second terminal device and can manage and control the location service request of the first terminal device.
  • the location service requests of the two terminal devices are managed and controlled.
  • the first terminal device is used as a target positioning device and the second terminal device is used as a device that assists the first terminal device in positioning.
  • the first terminal device may also be called a target terminal device, and the second terminal device may also be called an auxiliary terminal device, which are not specifically limited in this embodiment of the present application.
  • the communication system may also include other network elements or devices such as a mobility management function network element, which is not specifically limited in this embodiment of the present application.
  • the second location management function network element determines the location information of the second terminal device according to the target positioning time, it sends the location information of the second terminal device to the first location management function network element.
  • the first location management function network element receives the location information of the second terminal device from the second location management function network element; and, The first location management function network element may obtain the previous relative location information between the second terminal device and the first terminal device, where the relative location information is determined based on the target positioning time. Furthermore, the first location management function network element may determine the location information of the first terminal device based on the location information of the second terminal device and the relative location information.
  • the second location management function network element determines the location information of the second terminal device according to the target positioning time, it sends the location information of the second terminal device to the first location management function network element.
  • the first location management function network element receives the location information of the second terminal device from the second location management function network element, and sends the location information of the second terminal device to the first terminal device.
  • the first terminal device receives location information of the second terminal device; and, the first terminal device can obtain relative location information between the second terminal device and the first terminal device, wherein the relative location information is Determined based on target positioning time.
  • the first terminal device may determine the location information of the first terminal device based on the location information of the second terminal device and the relative location information.
  • the above-mentioned first location management function network element or the second location management function network element may be an LMF network element, or a location management component (LMC) network element, or may be a local location management component located in the network device.
  • Location management function local location management function, LLMF network elements, etc., are not specifically limited in the embodiments of this application.
  • the first location management function network element or the second location management function network element in the embodiment of the present application may also be the same location management function network element.
  • the location management function network element serving the first terminal device and the second terminal device may be the same location management function network element, which is not specifically limited in the embodiment of the present application.
  • the communication system includes: a first terminal device and a second terminal device.
  • the first terminal device and the second terminal device may communicate directly, or may communicate through forwarding by other devices, which is not specifically limited in the embodiments of the present application.
  • the second terminal device after receiving the location information of the second terminal device, the second terminal device sends the location information of the second terminal device to the first terminal device, where the location information of the second terminal device is based on the target positioning time. definite.
  • the first terminal device receives the location information of the second terminal device; and the first terminal device can obtain the relative location information between the second terminal device and the first terminal device, wherein the relative location information is determined according to the target positioning time. .
  • the first terminal device may determine the location information of the first terminal device based on the location information of the second terminal device and the relative location information.
  • the second terminal device receives location information of the second terminal device; and the second terminal device obtains relative location information between the second terminal device and the first terminal device, where the second terminal device The location information of the device and the relative location information between the second terminal device and the first terminal device are determined based on the target positioning time. Furthermore, the second terminal device can determine the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • the communication system provided by the embodiments of the present application can be applied to various communication systems mentioned above.
  • the network element or entity corresponding to the above mobility management function network element can be the 5G
  • the first location management function network element or the second location management function network element can be the LMF network element in the 5G mobile communication system
  • the embodiments of this application do not specifically limit this.
  • the embodiment of this application first describes the functional entities of the core network equipment involved.
  • the functional entities of the core network equipment may include access management network elements, location management network elements, data management network elements, network development network elements, application network elements, gateway positioning network elements, and location retrieval network elements.
  • the functions of each functional entity are introduced below. in:
  • the access management network element is used to implement access management and mobility management of terminal equipment. For example, it is responsible for the status maintenance of terminal equipment, the reachability management of terminal equipment, the forwarding of non-access-stratum (NAS) messages of non-mobility management (MM), and session management. , forwarding of SM)N2 messages, etc.
  • the access management network element may be an access and mobility management function (AMF) network element in the 5G communication system.
  • AMF access and mobility management function
  • the location management network element is mainly used to manage and control location service requests of terminal devices. For example, positioning-related auxiliary information can be delivered to the terminal device through the LTE positioning protocol (LPP).
  • LTP LTE positioning protocol
  • the location management network element may be an LMF network element in the 5G communication system.
  • the data management network element is used to implement context management of user subscriptions. For example, the subscription information of the terminal device is stored.
  • the data management network element can be called the unified data management (UDM) network element in the 5G communication system.
  • the network exposure network element may be a network exposure function (NEF) network element in the 5G communication system.
  • NEF network exposure function
  • the application network element can be a third-party application control platform or the operator's own equipment. Application network elements are used to implement application management and can provide services for multiple application servers.
  • the application network element may be an application function (AF) network element in the 5G communication system.
  • AF application function
  • the gateway locates the network element and is used to provide access and management for clients of mobile location services or mobile terminals.
  • the gateway positioning network element may be the Gateway Mobile Location Center (GMLC) network element in the 5G communication system.
  • GMLC Gateway Mobile Location Center
  • the location retrieval network element is mainly responsible for retrieving or verifying location information.
  • the location retrieval network element may be a location retrieval function (LRF) network element in the 5G communication system.
  • LRF location retrieval function
  • AMF, UDM, etc. are called network elements only for illustration.
  • a network element can be a network element implemented on dedicated hardware, a software instance running on dedicated hardware, or an instance of a virtualization function on an appropriate platform.
  • the above virtualization platform can be a cloud platform .
  • the above network elements may have other names, which are not limited in this application.
  • FIG. 3 is a schematic diagram of the application architecture of a method for obtaining location information in a 5G mobile communication system according to an embodiment of the present application.
  • the communication system includes terminal equipment, access network (access network, AN) and core network (core network, CN).
  • AN is used to implement access-related functions. It can provide network access functions for authorized users in specific areas, and can determine transmission links of different qualities to transmit user data according to user levels, business needs, etc.
  • the AN forwards control signals and user data between the terminal and the CN.
  • AN may include: access network equipment, which may also be called radio access network equipment (radio access network, RAN) equipment.
  • RAN radio access network equipment
  • CN is mainly responsible for maintaining mobile network signatures. Appoint data and provide terminals with functions such as session management, mobility management, policy management, and security authentication.
  • CN mainly includes the following network elements: LMF network element, AMF network element, UDM network element, GMLC network element, NEF network element, and AF network element.
  • the terminal device accesses the 5G network through the RAN device.
  • the terminal device communicates with the AMF network element through the N1 interface (referred to as N1).
  • the RAN device communicates with the AMF network element through the N2 interface (referred to as N2).
  • the AMF network element communicates with the AMF network element through the N1 interface (referred to as N1).
  • the NL1 interface (NL1 for short) communicates with the LMF network element
  • the AMF network element communicates with the GMLC network element through the NL2 interface (NL2 for short)
  • the AMF network element communicates with the NEF network element through the N51 interface (N51 for short)
  • the AMF network element communicates with the N8 interface (referred to as N8) communicates with UDM network elements
  • LMF network elements communicate with each other through the NL7 interface (referred to as NL7)
  • UDM network elements communicate with NEF network elements through the N52 interface (referred to as N52)
  • UDM network elements communicate through the NL6 interface (referred to as NL6)
  • the NEF network element communicates with the GMLC network element through the NL5 interface (NL5 for short)
  • the NEF network element communicates with the AF network element through the N33 interface (N33 for short)
  • the GMLC network element communicates with the location through the Le interface (Le for short).
  • the RAN device may be a device that provides access to terminal devices.
  • RAN equipment may include: next-generation mobile communication systems, such as 6G access network equipment, such as 6G base stations, or in the next-generation mobile communication system, the network equipment may also have other naming methods, which are all covered by this application Within the protection scope of the embodiments, this application does not impose any limitations on this.
  • the RAN equipment may also include 5G, such as gNB in the NR system, or one or a group (including multiple antenna panels) of antenna panels of the base station in 5G, or may also constitute a gNB, transmission point (transmission and Network nodes with reception point (TRP or transmission point (TP)) or transmission measurement function (TMF), such as baseband unit (building base band unit (BBU)), or centralized unit (CU) or distribution unit (distributed unit, DU), RSU with base station function, or wired access gateway, or 5G core network element.
  • 5G such as gNB in the NR system, or one or a group (including multiple antenna panels) of antenna panels of the base station in 5G, or may also constitute a gNB, transmission point (transmission and Network nodes with reception point (TRP or transmission point (TP)) or transmission measurement function (TMF), such as baseband unit (building base band unit (BBU)), or centralized unit (CU) or distribution unit (distributed unit, DU), RSU
  • RAN equipment can also include access points (APs) in WiFi systems, wireless relay nodes, wireless backhaul nodes, various forms of macro base stations, micro base stations (also called small stations), relay stations, Access points, wearables, in-vehicle devices and more.
  • APs access points
  • WiFi systems wireless relay nodes
  • wireless backhaul nodes various forms of macro base stations
  • micro base stations also called small stations
  • relay stations Access points
  • wearables wearables
  • in-vehicle devices and more.
  • the terminal device in the embodiment of the present application may be a terminal with a transceiver function, or a chip or chip system that can be installed on the terminal.
  • the terminal may also be called user equipment (UE), user equipment, access terminal, subscriber unit, user station, mobile station (MS), mobile station, remote station, remote terminal, Mobile device, user terminal, terminal, wireless communication device, user agent or user device.
  • the terminal in the embodiment of the present application may be a mobile phone, a cellular phone, a smart phone, a tablet, a wireless data card, or a personal digital assistant (PDA).
  • PDA personal digital assistant
  • the terminal of this application may also be a vehicle-mounted module, vehicle-mounted module, vehicle-mounted component, vehicle-mounted chip, or vehicle-mounted unit built into the vehicle as one or more components or units.
  • AMF network elements are mainly used for mobility management in mobile networks. For example, user location update, user registration network, user switching, etc.
  • the LMF network element is mainly used to manage and control positioning service requests of terminal devices.
  • the LMF network element can deliver positioning-related auxiliary information to the terminal device through the LPP positioning protocol (LPP), and the LMF network element and the RAN are controlled through the NR positioning protocol A (NRRPpa) Positioning measurement.
  • LPP LPP positioning protocol
  • NRRPpa NR positioning protocol A
  • UDM network elements are mainly used to store user data, such as contract data, authentication/authorization data, etc.
  • NEF network elements are mainly used to support the opening of capabilities and events.
  • GMLC network elements are mainly used to provide access and management for mobile location services or mobile terminal clients. For example, after GMLC registers or authenticates the request initiated by the LCS Client, it forwards the request to the AMF network element currently serving the mobile user.
  • the LRF network element is mainly responsible for retrieving or verifying location information.
  • AF mainly supports interaction with CN to provide services, such as affecting data routing decisions, policy control functions, or providing some third-party services to the network side.
  • LCS Client is mainly a functional entity that interacts with relevant network elements of the entire location service system LCS in order to obtain the location information of mobile terminal devices.
  • LCS Client can be an application entity within the mobile network, or it can be outside the mobile network and access the mobile location service system through the network.
  • LCS Client is a location application provided by mobile operators or third parties.
  • the devices or functional nodes included in the communication systems shown in FIGS. 1 to 3 are only exemplary descriptions and do not limit the embodiments of the present application. In fact, in the communication systems shown in FIGS. 1 to 3 It may also include other network elements or devices or function nodes that have interactive relationships with the devices or function nodes illustrated in the figure, which are not specifically limited here.
  • the method for obtaining location information provided by the embodiments of the present application can be applied to the above communication system.
  • different devices/network elements in the communication system can perform different processes of the method of obtaining location information, which are introduced in detail below.
  • the communication system provided by the embodiment of the present application is applied in a 5G mobile communication system.
  • the first terminal device is UE1, the first location management function network element is LMF1, and the mobility management function network serving the first terminal device
  • the element is AMF1
  • the gateway mobile positioning center serving the first terminal device is GMLC1
  • the second terminal device is UE2
  • the second location management function network element is LMF2
  • the mobility management function network element serving the first terminal device is AMF2
  • the gateway mobile positioning center serving the second terminal device is GMLC2 as an example.
  • FIG 4 is a schematic flowchart 1 of a method for obtaining location information provided by an embodiment of the present application. This method of obtaining location information can be initiated by the LCS client shown in Figure 3 to locate UE1, and LMF1 determines the location information of UE1.
  • the method of obtaining location information includes the following steps:
  • the LCS client sends an LCS service request to GMLC1.
  • GMLC1 receives the LCS service request from the LCS client.
  • the LCS service request (LCS service Request) is used to request the location of UE1.
  • the LCS service request may carry the identity of the LCS client and the identity of UE1.
  • the identity of UE1 can be a general public user identity (generic public subscription identity, GPSI) or a user permanent identity (subscription permanent identifier, SUPI).
  • the LCS service request can also carry LCS quality of service (QoS) information and preset positioning information.
  • LCS QoS can be the positioning accuracy of UE1, indicating the positioning accuracy or positioning accuracy requirements for UE1.
  • the preset location information may include one or more of the preset location time (scheduled location time), time interval (time interval), or response time (Response time).
  • the preset positioning time can be used to indicate the time to perform positioning measurement on UE1 or the time to obtain the position of UE1
  • the time interval can be used to indicate the time interval to perform positioning measurement on UE1 or the time interval to obtain the position of UE1
  • the response time can be Indicates the reply time to the positioning information of UE1.
  • T S represents the preset positioning time
  • ⁇ T represents the time interval
  • TR represents the response time
  • TD represents the following target positioning time
  • GMLC1 obtains the address of AMF1.
  • GMLC1 can request the UDM to obtain the address of the AMF currently serving UE1, that is, the address of AMF1, based on the identity of UE1, so that GMLC1 can perform subsequent positioning procedures based on the address of AMF1.
  • GMLC1 can also obtain the LCS privacy profile from the UDM. GMLC1 can confirm whether the LCS client that initiated the LCS service request is authorized to obtain the location of UE1 based on the LCS privacy profile. For example, GMLC1 confirms that the LCS client is authorized to accept LCS service requests and perform subsequent processes. For another example, if GMLC1 confirms that the LCS client is not authorized, it can reject the LCS service request and not accept its acquisition of the location of UE1.
  • GMLC1 sends the first location provision request to AMF1.
  • AMF1 receives the first location-providing request from GMLC1.
  • GMLC1 may send a first location providing request (Namf_Location_ProvidePositioningInfo_Request) to AMF1 based on the address of AMF1 obtained in step S402.
  • the first location providing request is used to request AMF1 to provide location information of UE1.
  • the first location provision request may carry the identity of UE1.
  • the first location request may also carry the positioning accuracy (accuracy) and preset positioning information of UEl.
  • AMF1 initiates a service request process to UE1.
  • AMF1 will initiate a service request process to complete the signaling connection with UE1.
  • connection establishment process please refer to the existing implementation and will not be described again here.
  • S404 is an optional step. For example, when UE1 is in the connected state, S404 does not need to be executed.
  • AMF1 selects LMF1.
  • AMF1 may select LMF1 serving UEl according to the identity of UEl to complete the calculation of UEl's location.
  • AMF1 sends a first location determination request to LMF1.
  • LMF1 receives the first location determination request from AMF1.
  • the first location determination request (Nlmf_Location_DetermineLocation) is used to request LMF1 to determine the location information of UE1.
  • the first location determination request may carry the identifier of UE1.
  • the first location determination request may also carry the positioning accuracy (accuracy) and preset positioning information of UEl.
  • LMF1 determines to perform Uu and sidelink hybrid positioning for UE1.
  • the positioning methods of UE1 can include Uu positioning, sidelink positioning and mixed Uu and sidelink positioning.
  • Uu and sidelink hybrid positioning means combining Uu positioning and sidelink positioning to position UE1.
  • the process of mixed positioning of Uu and sidelink can be found in the subsequent positioning process, as shown in S408-S422 below.
  • LMF1 can initiate positioning of UE1 and determine the positioning method based on the positioning measurement data obtained from UE1. For example, UEl can perform positioning measurements based on PRSs sent by surrounding cells, and send the obtained positioning measurement data of UEl to LMF1. LMF1 calculates UEl's location information based on the received positioning measurement data of UEl. If the location information of UE1 calculated by LMF1 does not meet the LCS QoS (such as the positioning accuracy of UE1), or the number of measured cells is not enough, resulting in inaccurate location information of UE1, LMF1 can perform Uu and sidelink hybrid positioning for UE1.
  • LCS QoS such as the positioning accuracy of UE1
  • the positioning measurement data of UE1 may include the cell identifier (such as global cell identifier, cell global identifier), the downlink reference signal received power of each cell, the radio wave or PRS transmission time of UE1 from each cell, and the distance between UE1 and each cell.
  • the cell identifier such as global cell identifier, cell global identifier
  • the downlink reference signal received power of each cell the radio wave or PRS transmission time of UE1 from each cell
  • the distance between UE1 and each cell may be included in the distance between UE1 and each cell.
  • LMF1 can determine the positioning method based on the contract information and/or capability information of UE1.
  • the subscription information of UE1 may be whether UE1 is allowed sidelink positioning and/or Uu positioning, and the capability information may be whether UE1 supports sidelink positioning and/or Uu positioning. For example, if UE1 is allowed sidelink positioning and Uu positioning, and UE1 supports sidelink positioning and Uu positioning, LMF1 can perform mixed Uu and sidelink positioning on UE1. For another example, if UE1 is allowed sidelink positioning and Uu positioning, LMF1 can perform mixed Uu and sidelink positioning on UE1. For another example, if UE1 supports sidelink positioning and Uu positioning, LMF1 can perform mixed Uu and sidelink positioning on UE1.
  • LMF1 sends a request to obtain an auxiliary UE to UE1.
  • UE1 receives the request to acquire the auxiliary UE from LMF1.
  • the request for obtaining the auxiliary UE may carry a positioning method (such as a mixed positioning method of Uu and sidelink), and UE1 may determine the auxiliary UE according to the determined positioning method, and the auxiliary UE may be used to assist UE1 in positioning.
  • a positioning method such as a mixed positioning method of Uu and sidelink
  • S408 can be replaced with LMF1 to notify UE1 to use the Uu and sidelink hybrid positioning method.
  • UE1 executes the auxiliary UE discovery process.
  • UE1 can determine the auxiliary UE according to the determined positioning method.
  • the auxiliary UE can be used to assist UE1 in positioning, and the determined auxiliary UE is UE2.
  • UE1 sends the identifier of UE2 to LMF1.
  • LMF1 receives the identity of UE2 from UE1.
  • the identity of UE2 may be carried in the corresponding acquisition auxiliary UE response or notification in S408 above. Responding.
  • the identity of UE2 may be GPSI or user hidden identifier (subscription concealed identifier, SUCI).
  • the target positioning time is used to determine the location information of UE2 and the relative location information between UE1 and UE2.
  • the target positioning time can be one or more time points used for positioning measurement, or one or more time periods composed of time points and time intervals.
  • LMF1 can determine the target positioning time based on the preset positioning information.
  • the preset positioning information may include the preset positioning time TS , and LMF1 may determine the preset positioning time TS as the target positioning time.
  • the target positioning time can be expressed as one or more time periods consisting of a time point and one or more time intervals. The time point can be used to indicate the starting time of the measurement, and the time interval can be used to indicate the measurement period. .
  • the preset positioning information may include the response time TR , and LMF1 may set the target positioning time to be a time point before the response time, or one or more time periods.
  • the preset positioning information may include the predetermined positioning time TS , the time interval ⁇ T and the response time TR .
  • the target positioning time can be a point in time before the response time, or it can be one or more time periods.
  • the target positioning time can be the same as the preset positioning time, or it can be different from the preset positioning time.
  • LMF1 can configure the target positioning time locally.
  • the type of target positioning time is similar to the target positioning time determined in the above design scheme.
  • the target positioning time that LMF1 can configure locally can also be a time point or a time period.
  • LMF1 can receive the target positioning time from UE1.
  • the target positioning time can also be a point in time, or one or more time periods, similar to the type of target positioning time determined above.
  • the target positioning time can be a scheduled location time. If the target positioning time is obtained from UE1, the following S418 does not need to be executed.
  • the specific process for UE1 to obtain the target positioning time may refer to the method embodiment shown in Figure 7 below, which will not be described again here.
  • LMF1 can determine the positioning accuracy and sidelink positioning accuracy of UE2 based on the positioning accuracy of UE1.
  • the positioning accuracy of UE2 represents the accuracy requirements for UE2 positioning, which can be represented by accuracy1
  • the sidelink positioning accuracy represents the accuracy requirements for sidelink positioning, which can be represented by accuracy2.
  • LMF1 sends a positioning service request to GMLC2.
  • GMLC2 receives the positioning service request from LMF1.
  • the positioning service request is used to request to obtain the location information of UE2.
  • the location service request can carry Target positioning time, which is used to determine the location information of UE2.
  • the location service request can be Ngmlc_Location_ProvideLocation Request.
  • the location information of UE2 may be the absolute location of UE2.
  • LMF1 can act as an LCS client and initiate positioning for UE2. It is worth mentioning that LMF1 and GMLC2 can communicate through a specific interface.
  • the positioning service request also carries the identifier of UE2 and the identifier of LMF1.
  • the positioning service request may also carry the positioning accuracy (accuracy1) of UE2.
  • GMLC2 sends a second location provision request to AMF2.
  • AMF2 receives the second location-providing request from GMLC2.
  • the second location provision request carries the target positioning time, the identity of UE2 and the identity of GMLC2.
  • the second location providing request is used to request AMF2 to provide location information of UE2.
  • the second location request may also carry the positioning accuracy (accuracy1) of UE2.
  • the above S412 and S413 can be replaced by: LMF1 sends a positioning service request to AMF2.
  • the positioning service request may carry the target positioning time, the identifier of LMF1 and the identifier of UE2.
  • the positioning service request may also carry the positioning accuracy (accuracy1) of UE2.
  • AMF2 sends a second location determination request to LMF2.
  • LMF2 receives the second location determination request from AMF2.
  • the second location determination request is used to request LMF2 to determine the location information of UE2.
  • the second location determination request carries the target positioning time, the identity of UE2, and the identity of AMF2.
  • LMF1 initiates the positioning process for UE2.
  • GMLC2 will also execute the process of obtaining the address of AMF2, confirming whether LMF2 is authorized, and AMF2 selecting LMF2.
  • LCS client the description of S401-S406 in the process of initiating positioning for UE1 will not be described again here.
  • LMF2 initiates positioning of UE2.
  • LMF2 sends the target positioning time to UE2, UE2 performs cell signal measurement (such as PRS measurement) according to the target positioning time, and reports the measured positioning measurement data of UE2 to LMF2, and LMF2 performs cell signal measurement according to the reported positioning measurement data of UE2. , calculate the location information of UE2.
  • the positioning measurement data of UE2 may include the cell identity (such as the global cell identity), the downlink reference signal received power of each cell, the radio wave or PRS transmission time between UE2 and each cell, and the distance between UE2 and each cell base station. round trip signal time difference.
  • the target positioning time may be a time point, in which case the target positioning time may be called the target positioning time point, and UE2 may perform cell measurement at or before the target positioning time point.
  • the target positioning time TD TS .
  • UE2 can perform cell signal measurement when reaching the target positioning time point, and report the measured positioning measurement data of UE2 to LMF2.
  • UE2 can determine an advance time based on the time required for measurement. For example, if the set advance time is ⁇ t, UE2 can perform cell measurements at TD - ⁇ t and report the measured positioning measurement data of UE2. to LMF2. It is worth mentioning that UE2 can report the positioning measurement data of UE2 before the target positioning time point according to the set advance time, can also report the positioning measurement data of UE2 at the target positioning time point, or can also report the positioning measurement data of UE2 after the target positioning time point. Report the positioning measurement data of UE2 without any limitation.
  • the target positioning time can be in the form of time point + time interval.
  • UE2 can start cell signal measurement at T S time point, complete the measurement within ⁇ T time and report the positioning measurement data of UE2, and perform the second cell signal measurement at T S + ⁇ T time point, also at ⁇ T time. Complete the measurement within ⁇ T and report the positioning measurement data of UE2.
  • the third cell signal measurement is performed at the time point T S +2 ⁇ T.
  • the measurement is also completed within the time ⁇ T and the positioning measurement data of UE2 is reported. Finally, it ends at the time point T S +3 ⁇ T. Cell measurement.
  • UE2 can also perform cell signal measurement before the target positioning time.
  • the advance time is ⁇ t.
  • UE2 can perform cell signal measurement at T S - ⁇ t, T S + ⁇ T- ⁇ t, and T S +2 ⁇ T- ⁇ t.
  • UE2 can perform cell signal measurement at T S , T S + ⁇ T , T S +2 ⁇ T time point, or before T S , T S + ⁇ T, T S +2 ⁇ T, or after T S , T S + ⁇ T, T S +2 ⁇ T, the positioning measurement data of UE2 is reported.
  • UE2 can also send a timestamp to LMF2.
  • the timestamp can be used to indicate the time when the positioning measurement data is measured, or can also be used to indicate the time when the positioning measurement data is reported. It can be understood that the timestamp may be included in the location information of UE2. For example, the positioning measurement data of UE2 measured at T S - ⁇ t can be indicated by a timestamp.
  • LMF2 may determine the currently measured positioning accuracy of UE2 (the achieved positioning accuracy of UE2) based on the calculated position information of UE2.
  • LMF2 sends a second location determination response to AMF2.
  • AMF2 receives the second determined position response from LMF2.
  • the second determined location response carries the location information of UE2 and the measured positioning accuracy of UE2.
  • AMF2 sends a positioning service response to LMF1.
  • the positioning service response carries the location information of UE2 and the measured positioning accuracy of UE2.
  • LMF1 receives the positioning service response from AMF2, thereby obtaining the position information of UE2 and the measured positioning accuracy of UE2.
  • LMF1 obtains the location information of UE2 and its corresponding positioning accuracy (the measured positioning accuracy of UE2) does not meet the positioning accuracy (accuracy1) of UE2 determined in S411, then LMF1 can re-execute the above S408-S417, That is, the auxiliary UE is re-selected and the location information of the re-selected auxiliary UE is obtained.
  • the above S416 and S417 can be replaced by: after LMF2 calculates the location information of UE2, it can then send it to UE2. UE2 sends the location information of UE2 to UE1, and then UE1 sends it to LMF1.
  • the above S417 can be replaced by: after LMF2 calculates the location information of UE2, it can then send it to GMLC2, and GMLC2 sends the location information of UE2 to LMF1.
  • LMF1 sends the target positioning time to UE1.
  • UE1 receives the target positioning time from LMF1.
  • the target positioning time may be carried in a downlink positioning message (DL positioning message) or an LCS Period-triggered invoke request message (LCS Period-triggered invoke request message).
  • DL positioning message downlink positioning message
  • LCS Period-triggered invoke request message LCS Period-triggered invoke request message
  • the downlink positioning message or the LCS periodic trigger call request message can also carry the sidelink positioning accuracy (accuracy2).
  • LMF1 sending the target positioning time to UE2 (such as steps S412-S415) and LMF1 sending the target timing time to UE1 (such as step S418) is not limited.
  • LMF1 can send the target positioning time to UE2 respectively.
  • UE1 and UE2 send the target positioning time. They may send the target positioning time to UE1 first, or they may send the target positioning time to UE2 first.
  • the order in which S412 and S418 are executed is not limited.
  • UE1 sends the target positioning time to UE2.
  • UE2 receives the target positioning time from UE1.
  • UE1 may send the target positioning time to UE2 through a sidelink.
  • UE1 also sends sidelink positioning accuracy (accuracy2) to UE2.
  • sidelink positioning accuracy (accuracy2)
  • S419 is an optional step. For example, when the target positioning time is determined by UE2, S409 may not be executed.
  • UE1 and UE2 determine the relative position information between UE1 and UE2 according to the target positioning time.
  • the relative position information may be relative distance information between UE1 and UE2, or may be relative angle information between UE1 and UE2.
  • S420 may include the following steps 1-1 to 1-2:
  • Step 1-1 UE1 sends a measurement signal to UE2 according to the target positioning time.
  • UE2 receives the measurement signal from UE1.
  • Figure 5 shows a schematic structural diagram of relative distance measurement between UE1 and UE2.
  • UE1 serves as the ranging signal transmitter and UE2 serves as the ranging signal receiver.
  • the measurement signal may be a ranging signal.
  • Figure 6 shows a schematic structural diagram for measuring the relative angle between UE1 and UE2.
  • (b) in Figure 6 shows the angle of departure (angel of depth, AoD), and UE1 serves as the angle measurement signal.
  • UE2 serves as the receiving end of the angle measurement signal.
  • UE2 can determine the relative angle between UE2 and UE1 based on the direction of the received angle measurement signal and the direction of the reference signal.
  • the measurement signal can be an angle measurement signal.
  • the target positioning time may be the target positioning time point.
  • UE1 may send a ranging signal or an angle measurement signal to UE2 at the target positioning time point, or may send a ranging signal or an angle measurement signal to UE2 before the target positioning time point.
  • the ranging signal or angle measurement signal is sent before the target positioning time point.
  • UE1 can set an advance time value.
  • the target positioning time TD T S
  • the advance time is ⁇ t
  • UE1 can set the advance time value at T S - ⁇ t time.
  • the point sends a ranging signal or an angle measurement signal to UE2.
  • the target positioning time can be in the form of time point + time interval.
  • UE1 can send a ranging signal at T S time point, receive a feedback ranging signal within ⁇ T time to perform the first ranging calculation, and report relative distance information.
  • T S + The ranging signal is sent again at the ⁇ T time point, and the feedback ranging signal is received within the ⁇ T time for the second ranging calculation, and the relative distance information is reported.
  • the ranging signal is sent again at the T S +2 ⁇ T time point, and the ranging signal is received within the ⁇ T time.
  • the ranging signal is fed back for the third ranging calculation, and the relative distance information is reported.
  • the ranging calculation can be ended at the time point T S +3 ⁇ T.
  • UE1 can also send the ranging signal in advance.
  • the advance time is ⁇ t
  • the ranging signal can be sent at the time points of T S - ⁇ t, T S + ⁇ T- ⁇ t, and T S +2 ⁇ T- ⁇ t.
  • distance signal correspondingly, UE1 can The relative reporting is performed at the time points of T S , T S + ⁇ T, and T S +2 ⁇ T, or before T S , T S + ⁇ T, and T S +2 ⁇ T, or after T S , T S + ⁇ T, and T S +2 ⁇ T. distance information.
  • UE1 can send the angle measurement signal at the T S time point, send the angle measurement signal again at the T S + ⁇ T time point, and send the angle measurement signal again at the T S +2 ⁇ T time point. Finally, the angle measurement signal can be sent at the time point T S +3 ⁇ T.
  • UE1 can also send it in advance. For example, if the advance time is ⁇ t, it can send the angle measurement signal at T S - ⁇ t, T S + ⁇ T - ⁇ t, or T S +2 ⁇ T - ⁇ t. angle signal.
  • Step 1-2 UE1 obtains relative position information according to the measurement signal.
  • UE1 determines relative position information based on the measurement signal.
  • UE1 after UE1 sends a ranging signal to UE2, it receives a feedback ranging signal from UE2.
  • UE1 can calculate the ranging signal based on the time difference between sending the ranging signal and receiving the feedback ranging signal. To calculate the relative distance between UE1 and UE2.
  • the specific calculation process can refer to the existing implementation method and will not be described in detail.
  • UE1 receives relative position information from UE2.
  • UE1 after UE1 sends the angle measurement signal, it can receive the relative angle calculated from UE2, and UE2 can determine the angle between UE2 and UE1 based on the direction of the received angle measurement signal and the direction of the reference signal. relative angle between them.
  • S420 may include the following steps 2-1 to 2-3:
  • Step 2-1 UE1 sends a positioning request to UE2 according to the target positioning time.
  • UE2 receives the positioning request from UE1.
  • UE1 may send a positioning request at or before the target positioning time, and the positioning request is used to request positioning of the relative position between UE1 and UE2.
  • the specific process of sending a positioning request according to the target positioning time can refer to the above-mentioned process of sending a measurement signal, and will not be described again here.
  • Step 2-2 UE1 receives the measurement signal from UE2. Correspondingly, UE2 sends a measurement signal to UE1.
  • UE2 after receiving the positioning request, UE2 sends a measurement signal to UE1.
  • the measurement signal may be a ranging signal or an angle measurement signal.
  • Step 2-3 UE1 obtains relative position information based on the measurement signal.
  • step 2-3 please refer to the relevant descriptions in step 1-2 above and step 3-2 below.
  • S420 may include the following steps 3-1 to 3-2:
  • Step 3-1 UE1 receives the measurement signal from UE2 according to the target positioning time. Correspondingly, UE2 sends a measurement signal to UE1.
  • UE1 serves as a ranging signal receiving end
  • UE2 serves as a ranging signal transmitting end.
  • UE1 receives the measurement signal from UE2 according to the target positioning time. At this time, the measurement signal is a ranging signal.
  • the angle is measured using the angle of arrival (AoA) method.
  • UE1 serves as the receiving end of the angle measurement signal
  • UE2 serves as the transmitting end of the angle measurement signal.
  • the measurement signal is Angle measurement signal.
  • the target positioning time may be the target positioning time point.
  • UE1 may receive a ranging signal from UE2 at or before the target positioning time, and UE2 sends a feedback ranging signal to UE2 after receiving the ranging signal.
  • UE1 may receive the angle measurement signal from UE2 before the target positioning time or before the target positioning time.
  • the target positioning time can be in the form of time point + time interval.
  • UE1 can receive the ranging signal from UE2 at the T S time point, send the feedback ranging signal within the ⁇ T time point, and receive the ranging signal from UE2 again at the T S + ⁇ T time point. signal, send the feedback ranging signal within the ⁇ T time, receive the ranging signal from UE2 again at the time point T S +2 ⁇ T, send the feedback ranging signal again within the ⁇ T time, and finally end the sending at the time point T S +3 ⁇ T Feedback ranging signal.
  • UE1 can also receive the ranging signal in advance. For example, if the advance time is ⁇ t, it can receive the ranging signal at T S - ⁇ t, T S + ⁇ T- ⁇ t, and T S +2 ⁇ T- ⁇ t time points. signal, correspondingly, UE1 can be at TS , TS + ⁇ T, TS +2 ⁇ T time points, or before TS , TS + ⁇ T, TS +2 ⁇ T, or at TS , TS + ⁇ T, The feedback ranging signal is sent after T S +2 ⁇ T.
  • UE1 can receive the angle measurement signal from UE2 at the T S time point, calculate and report the relative angle information within the ⁇ T time point, and receive the angle measurement signal from UE2 again at the T S + ⁇ T time point.
  • angle signal calculate and report the relative angle information within ⁇ T time
  • receive the angle measurement signal from UE2 again at T S +2 ⁇ T time point calculate and report the relative angle information again within ⁇ T time
  • the relative angle information again within ⁇ T time
  • the relative angle information at T S +3 ⁇ T time point point to end receiving angle measurement signals.
  • UE1 can also receive the angle measurement signal in advance. For example, if the advance time is ⁇ t, it can receive the angle measurement signal at T S - ⁇ t, T S + ⁇ T - ⁇ t, and T S +2 ⁇ T - ⁇ t.
  • Angular signal correspondingly, UE1 can be at TS , TS + ⁇ T, TS +2 ⁇ T time points, or before TS , TS + ⁇ T, TS +2 ⁇ T, or at TS , TS + ⁇ T, Relative angle information is reported after T S +2 ⁇ T.
  • Step 3-2 UE1 obtains relative position information according to the measurement signal.
  • UE1 receives relative position information from UE2.
  • UE2 sends relative location information to UE1.
  • UE2 can calculate the relative distance information between UE1 and UE2 based on the time difference between sending the ranging signal and receiving the feedback ranging signal.
  • the specific calculation process can refer to the existing implementation method and will not be described in detail.
  • UE1 determines relative position information based on the measurement signal.
  • UE1 can determine the relative angle information between UE2 and UE1 according to the direction of the received angle measurement signal and the direction of the reference signal.
  • UE2 can also send a measurement signal to UE1 according to the target positioning time, or UE2 can receive a measurement signal from UE1 according to the target positioning time.
  • UE2 can also send a measurement signal to UE1 according to the target positioning time, or UE2 can receive a measurement signal from UE1 according to the target positioning time.
  • UE1 or UE2 can determine the characteristics of the transmitted measurement signal based on the sidelink positioning accuracy (accuracy2), and the characteristics of the measurement signal can be bandwidth and direction. For example, UE1 or UE2 determines the beam direction for transmitting or receiving measurement signals based on the direction accuracy in accuracy 2 (because the thinner the beam, the more accurate the direction), or determines the transmission bandwidth of the measurement signal based on the distance accuracy in accuracy 2 (because the larger the signal bandwidth The smaller the positioning signal time slot, the more accurate the calculated distance).
  • the sidelink positioning accuracy accuracy2
  • the characteristics of the measurement signal can be bandwidth and direction. For example, UE1 or UE2 determines the beam direction for transmitting or receiving measurement signals based on the direction accuracy in accuracy 2 (because the thinner the beam, the more accurate the direction), or determines the transmission bandwidth of the measurement signal based on the distance accuracy in accuracy 2 (because the larger the signal bandwidth The smaller the positioning signal time slot, the more accurate the calculated distance).
  • UE1 can also determine the PC5 discontinuous reception (DRX) parameters based on the target positioning time, and UE1 then determines the relative position information based on the PC5 DRX parameters.
  • the PC5 DRX parameters include DRX cycle and reception window length. For example, the DRX cycle is 1 second and the reception window length is 500 milliseconds.
  • the PC5 DRX parameter can indicate that there are 500 milliseconds in every 1 second. Receive or send data.
  • UE1 can determine the PC5 DRX1 parameters according to the target positioning time and the time interval ⁇ T.
  • UE1 changes from the dormant state to the active state to receive or To send data, UE1 is in the active state during the TD time period.
  • the DRX cycle is longer than the TD time period.
  • the specific process of UE1 sending or receiving measurement signals based on PC5 DRX parameters to determine relative position information can refer to the above-mentioned process of determining relative position information based on target positioning time, which will not be described again here.
  • UE1 sends relative position information to LMF1.
  • LMF1 receives the relative position information from UE1.
  • the relative position information may be relative distance information between UE1 and UE2, or may be relative angle information between UE1 and UE2.
  • the relative distance information may be the result of the relative distance, or the measurement data of the relative distance (for example, the time difference between sending the ranging signal and receiving the feedback ranging signal).
  • the relative angle information may be the result of the relative angle, or the measurement data of the relative angle (such as the direction in which the angle measurement signal is received).
  • the relative distance information is the result of relative distance
  • UE1 needs to calculate the relative distance result based on the relative distance measurement data; if the relative distance information is the relative distance measurement data, then UE1 does not need to measure the relative distance.
  • the data is processed computationally. If the relative angle information is the result of the relative angle, then UE1 needs to calculate the relative angle result based on the relative angle measurement data; if the relative angle information is the relative angle measurement data, then UE1 does not need to calculate and process the relative angle measurement data.
  • LMF1 determines the location information of UE1 based on the location information and relative location information of UE2.
  • LMF1 calculates based on the location information of UE2 obtained in S415 and the relative location information obtained in S420 to obtain the location information of UE1.
  • LMF1 can also obtain the positioning measurement data of UEl according to the target positioning time.
  • LMF1 can calculate based on the positioning measurement data of UE1 obtained using the target positioning time, the position information and relative position information of UE2, and obtain the position information of UE1.
  • LMF1 sends a first location determination response to AMF1.
  • AMF1 receives the first determined position response from LMF1.
  • the first determined location response carries the location information of UE1.
  • AMF1 sends the first location acquisition response to GMLC1.
  • GMLC1 receives the first acquisition position response from AMF1.
  • the first obtained location response carries the location information of UE1.
  • GMLC1 sends an LCS service response to the LCS client.
  • the LCS client receives the LCS service response from GMLC1.
  • the LCS service response carries the location information of UE1.
  • the LCS client can trigger the positioning of UE1.
  • LMF1 performs positioning measurements on UE1 in combination with UE2 by reserving positioning time (target positioning time), and based on the set target positioning Time, the location information of UE2 and the relative location information between UE1 and UE2 can be measured at the same time or within the same time.
  • LMF1 is then based on the synchronously obtained location information of UE2 and the relative location information between UE1 and UE2. Calculating the location information of UE1 can solve the problem of inaccurate positioning of the UE due to inaccurate measurement data due to the mobility of the UE, and can improve the positioning precision and accuracy of the UE.
  • FIG. 7 is a schematic flowchart 2 of a method for obtaining location information provided by an embodiment of the present application.
  • the method of obtaining location information can be that UE1 initiates positioning, and LMF1 determines the location information of UE1.
  • the method of obtaining location information includes the following steps:
  • the positioning methods can include Uu positioning, sidelink positioning and mixed Uu and sidelink positioning.
  • UE1 may determine the positioning method based on the number of measurement cells. For example, if the number of measurement cells is insufficient, UE1 can determine or select the positioning method to be Uu and sidelink hybrid positioning.
  • S701 may be replaced by UE1 determining that an auxiliary UE is required to assist in positioning.
  • S702. UE1 executes the auxiliary UE discovery process.
  • UE1 discovers and selects an auxiliary UE, and the determined auxiliary UE is UE2, and obtains the identity of UE2.
  • the identity of UE2 may be GPSI or SUCI.
  • the target positioning time can be a preset positioning time (scheduled location time).
  • UE1 can generate the target positioning time. For example, UE1 can determine the target positioning time according to the application requirements or the application requirements include the target positioning time. For example, after UE1 determines the target positioning time, it sends a confirmation request to UE2. The confirmation request is used to request whether the target positioning time set by UE2 is appropriate.
  • UE1 can receive the target positioning time from UE2. In other words, UE1 can request the target positioning time from UE2, and UE2 will provide the target positioning time to UE1.
  • UE1 can receive the target positioning time from LMF1.
  • S704-S706 can be executed before S703, and UE1 no longer needs to send the target positioning time to LMF1.
  • the target positioning time can be the target positioning time point, or it can be in the form of time point + time interval.
  • the target positioning time can be the target positioning time point, or it can be in the form of time point + time interval.
  • UE1 sends a first mobile originated location request (mobile originated location request, MO-LR) to AMF1.
  • MO-LR mobile originated location request
  • AMF1 receives the first MO-LR request from UE1.
  • the first MO-LR request may be carried in an uplink non-access stratum (NAS) transmission message (UL NAS TRANSPORT message), and the first MO-LR request carries the target positioning time, UE1's Identity and the identity of UE2.
  • NAS uplink non-access stratum
  • the first MO-LR request may also carry the positioning accuracy (accuracy) of UEl.
  • AMF1 select LMF1.
  • AMF1 sends a third location determination request to LMF1.
  • LMF1 receives the third location determination request from AMF1.
  • the third location determination request is used to request LMF1 to determine the location information of UE1.
  • the third location determination request carries the target positioning time, the identity of UE1 and the identity of UE2.
  • the third location determination request carries the positioning accuracy (accuracy) of UE1.
  • S707 and LMF1 initiate positioning of UE1.
  • LMF1 can generate the target positioning time according to the above S411, and in step S707 Send the target positioning time to UE1. Further optionally, UE1 can send the target positioning time to UE2,
  • LMF1 initiates positioning of UE2.
  • UE1 and UE2 determine the relative position information between UE1 and UE2 according to the target positioning time.
  • UE2 can obtain the target positioning time based on the above S703 or the above S707.
  • UE1 sends relative position information to LMF1.
  • LMF1 receives the relative position information from UE1.
  • LMF1 determines the location information of UE1 based on the location information and target positioning time of UE2.
  • LMF1 sends a third location determination response to AMF1.
  • AMF1 receives the third determined position response from LMF1.
  • the third determined location response carries the location information of UE1.
  • AMF1 sends the first MO-LR response to UE1.
  • UE1 receives the first MO-LR response from AMF1.
  • the first MO-LR response carries the location information of UE1.
  • positioning can be triggered by UE1 itself.
  • UE1 negotiates with UE2 to determine the target positioning time. Based on the set target positioning time, the position of UE2 can be measured at the same time or within the same time. information, as well as the relative position information between UE1 and UE2, and then LMF1 calculates the position information of UE1 based on the position information of UE2 obtained synchronously, and the relative position information between UE1 and UE2, which can also solve the problem caused by the movement of UE. This leads to inaccurate measurement data, resulting in inaccurate UE positioning. This can improve the UE's positioning accuracy and accuracy.
  • FIG. 8 shows flowchart 3 of the method for obtaining location information provided by an embodiment of the present application.
  • This method of obtaining location information allows UE1 or UE2 to determine the location information of UE1 when UE1 cannot connect to the network.
  • the method of obtaining location information includes:
  • UE1 When UE1 cannot connect to the network, UE1 cannot perform signal measurement with surrounding cells, and it can be determined that the positioning method uses Uu and sidelink hybrid positioning.
  • S801 may be replaced by UE1 determining that an auxiliary UE is required to assist in positioning.
  • UE1 executes the auxiliary UE discovery process.
  • UE1 can generate the target positioning time. For example, UE1 can determine the target positioning time according to the application requirements or the application requirements include the target positioning time. UE1 sends the target positioning time to UE2. For example, after UE1 determines the target positioning time, it sends a confirmation request to UE2. The confirmation request is used to request whether the target positioning time set by UE2 is appropriate.
  • UE1 can receive the target positioning time from UE2. In other words, UE1 can request the target positioning time from UE2, and UE2 will provide the target positioning time to UE1.
  • UE1 cannot obtain the target positioning time from LMF1.
  • the target positioning time may be obtained through negotiation between UE1 and UE2.
  • For the specific type of target positioning time please refer to the relevant description in S411 above, which will not be described again here.
  • UE2 can obtain the target positioning time based on the above process.
  • UE2 sends a second MO-LR request to AMF2.
  • AMF2 receives the second MO-LR request from UE2.
  • the second MO-LR request carries the target positioning time and the identity of UE2.
  • UE2 may send the second MO-LR request to AMF2 at a certain time before the target positioning time, so that the positioning measurement of UE2 can be completed before the target positioning time or before the target positioning time.
  • the second MO-LR request may also carry the positioning accuracy (accuracy1) of UE2.
  • UE2 can also determine the positioning accuracy (accuracy1) and sidelink positioning accuracy (accuracy2) of UE2 based on the positioning accuracy (accuracy) of UE1.
  • AMF2 sends a fourth location determination request to LMF2.
  • LMF2 receives the fourth location determination request from AMF2.
  • the fourth location determination request is used to request LMF2 to determine the location information of UE2.
  • the fourth location determination request carries the target positioning time and the identifier of UE2.
  • the fourth determined position may also carry the positioning accuracy (accuracy1) of UE2.
  • LMF2 initiates positioning of UE2.
  • LMF2 instructs UE2 to perform positioning measurement, and UE2 performs cell measurement according to the target positioning time.
  • the specific process can be referred to S415 above, which will not be described again here.
  • LMF2 sends the location information of UE2 calculated based on the positioning measurement data of UE2 to UE2.
  • UE2 sends the location information of UE2 to UE1.
  • UE1 receives the location information of UE2 from UE2.
  • the location information of UE2 can be Send it to UE1, and execute the following S810b.
  • S809 is an optional step.
  • S809 may not be executed and the following S810a may be executed.
  • UE2 determines the location information of UE1 based on the location information and relative location information of UE2.
  • UE2 calculates based on the location information of UE2 obtained in S807 and the relative location information obtained in S808 to obtain the location information of UE1. Further, after S810a is executed, the following S811 is executed.
  • S810b UE1 determines the location information of UE1 based on the location information and relative location information of UE2.
  • UE1 calculates based on the location information of UE2 sent by UE2 and the relative location information obtained in S808 to obtain the location information of UE1. Further, after S810b is executed, UE1 may also send the location information of UE1 to UE2. Correspondingly, UE2 receives the location information of UE1 from UE1.
  • UE2 sends the location information of UE1 to UE1.
  • UE1 receives the location information of UE1 from UE2.
  • UE2 as an auxiliary UE can assist in obtaining the location of UE1.
  • UE1 negotiates with UE2 to determine the target positioning time, and based on the device At a certain target positioning time, UE2 can actively trigger LMF2 to perform positioning to obtain the position information of UE2, as well as the measurement of the relative position between UE1 and UE2, and then UE1 or UE2 can obtain the position information of UE2 based on the position information of UE2 obtained at the same time or within the same time. and relative position information are calculated to obtain the position information of UE1, and accurate positioning of UE1 can be achieved without going through LMF1 forwarding processing.
  • Figures 4-8 illustrates in detail the process of the method for obtaining location information provided by the embodiment of the present application in various scenarios. It is based on the preset target positioning time, combined with Uu positioning and sidelink positioning to achieve the positioning of UE1. That is, the location information of UE2 and the relative location information between UE1 and UE2 are measured at the same time, and accurate location information of UE1 is obtained.
  • the overall process of the method for obtaining location information is introduced below with reference to Figures 9-11.
  • FIG. 9 shows a schematic flow chart 4 of a method for obtaining location information provided by an embodiment of the present application.
  • the method of obtaining location information is described by taking a communication device as an execution subject as an example.
  • the communication device may be a first location management function network element, a first terminal device, or a second terminal device.
  • the first location management function network element may be the above-mentioned LMF1
  • the first terminal device may be the above-mentioned UE1
  • the second terminal device may be the above-mentioned UE2.
  • the method of obtaining location information may include the following steps:
  • the communication device obtains the location information of the second terminal device.
  • the second terminal device is used to assist the first terminal device in positioning, and the location information of the second terminal device is determined based on the target positioning time, and the target positioning time is obtained by the communication device.
  • the communication device may be a first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the first location management function network element can receive preset positioning information from the positioning server.
  • the preset positioning information can include one or more of: preset positioning time, time interval, and response time. item, and obtain the target positioning time based on the preset positioning information.
  • the positioning server may be the above-mentioned LCS client.
  • the first location management function network element may receive the target positioning time from the first terminal device.
  • the first location management function network element may send the target positioning time to the first gateway mobile positioning center.
  • time the first gateway mobile positioning center is used to serve the second terminal device, and the first gateway mobile positioning center may be the above-mentioned GMLC2.
  • the first location management function network element may send the target positioning time to the first mobility management function network element, which is used to serve the second terminal device, and the first mobility management function network element may It’s the aforementioned AMF2.
  • the first location management function network element can send the target positioning time to the second terminal device through the first gateway mobile positioning center or the first mobility management function network element, so that the second terminal device can perform cell measurement based on the target positioning time to obtain the second terminal device.
  • the positioning measurement data of the second terminal device is sent to the second location management function network element, and the location information of the second terminal device is calculated by the second location management function network element. Furthermore, the first location management function network element can obtain the location information of the second terminal device from the second location management function network element.
  • the relevant contents in S411-S417 and S703-S708 mentioned above please refer to the relevant contents in S411-S417 and S703-S708 mentioned above, which will not be described again here.
  • the communication device may be a first terminal device, and the first terminal device may obtain the target positioning time locally. At this time, the first terminal device may send the target positioning time to the second terminal device. In another possible design solution, the first terminal device can also obtain the target positioning time from the second terminal device. Further, the second terminal device can initiate a positioning request to the second location management function network element, and perform cell measurement according to the target positioning time. After obtaining the positioning measurement data of the second terminal device, send the positioning measurement data of the second terminal device. To the second location management function network element, the location information of the second terminal device is calculated by the second location management function network element.
  • the second terminal device can obtain the location information of the second terminal device from the second location management function network element, and send the location information of the second terminal device to the first terminal device.
  • the second terminal device sends the target positioning time to the second location management function network element.
  • the communication device may be the second terminal device.
  • the second terminal device can obtain the target positioning time locally. At this time, the second terminal device can send the target positioning time to the first terminal device. In another possible design solution, the second terminal device can also obtain the target positioning time from the first terminal device. Further, the second terminal device can initiate a positioning request to the second location management function network element, and perform cell measurement according to the target positioning time. After obtaining the positioning measurement data of the second terminal device, send the positioning measurement data of the second terminal device. To the second location management function network element, the location information of the second terminal device is calculated by the second location management function network element. Furthermore, the second terminal device can obtain the location information of the second terminal device from the second location management function network element. For the specific process, please refer to the relevant content in S803-S807 mentioned above, and will not be described again here.
  • the communication device obtains relative position information between the second terminal device and the first terminal device.
  • the relative position information is determined based on the target positioning time.
  • the relative position information may be relative distance information or relative angle information, which is not specifically limited in the embodiment of the present application.
  • the first location management function network element can obtain the target positioning time locally, for example, the first location management function network element does not obtain the target positioning time from the terminal device or the positioning server, the first location management function network element can configure it locally to generate the target. positioning time, so that the first location management function network element can send the target positioning time to the first terminal device, and the first terminal device sends the target positioning time to the second terminal device.
  • the target positioning time is used to determine the relative position information between the second terminal device and the first terminal device.
  • the first terminal device and the second terminal device can interactively obtain the target positioning time.
  • the target positioning time is used to determine the second terminal Relative position information between the device and the first terminal device.
  • the first terminal device or the second terminal device may determine the relative position information based on the target positioning time.
  • the first terminal device or the second terminal device may send or receive a measurement signal according to the target positioning time, so that the relative position information may be determined based on the measurement signal.
  • the first terminal device can receive the measurement signal from the second terminal device according to the target positioning time, and then obtain the relative position information according to the measurement signal.
  • the first terminal device may send a measurement signal to the second terminal device according to the target positioning time, and then obtain relative position information based on the measurement signal.
  • the first terminal device may send a positioning request to the second terminal device according to the target positioning time
  • the second terminal device may send a measurement signal to the first terminal device according to the positioning request
  • the first terminal device may obtain relative position information based on the measurement signal. . Therefore, the first location management function network element can receive relative location information from the first terminal device.
  • the communication device is a first terminal device or a second terminal device:
  • the first terminal device and the second terminal device can interactively obtain the target positioning time.
  • the first terminal device can obtain relative position information according to the target positioning time.
  • the first terminal device may receive the measurement signal from the second terminal device according to the target positioning time, and then obtain the relative position information according to the measurement signal.
  • the first terminal device may send a measurement signal to the second terminal device according to the target positioning time, and then obtain the relative position information based on the measurement signal.
  • the first terminal device may send a positioning request to the second terminal device according to the target positioning time
  • the second terminal device may send a measurement signal to the first terminal device according to the positioning request
  • the first terminal device may obtain relative position information based on the measurement signal. .
  • the second terminal device can send a measurement signal to the first terminal device according to the target positioning time.
  • the second terminal device receives the measurement signal from the first terminal device according to the target positioning time.
  • the first terminal device or the second terminal device may send or receive a measurement signal based on the target positioning time to obtain relative position information.
  • S902 the specific implementation process of S902 can be found in the above-mentioned S418-S421, or S709-S710, or the relevant content in S808, which will not be described again here.
  • the communication device determines the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • the first location management function network element receives the location information of the second terminal device from the second location management function network element, and receives the relative location information from the first terminal device, and calculates based on the location information of the second terminal device and the relative location information. , obtain the location information of the first terminal device.
  • the specific process please refer to the relevant descriptions in S421-S422 or S710-S711, which will not be described again here.
  • the first terminal device can obtain the location information of the second terminal device from the second terminal device, and the second terminal device can obtain the location information of the second terminal device from the second location management function network element, so that the first terminal device can obtain the location information of the second terminal device based on
  • the location information and relative location information of the second terminal device are calculated to obtain the location information of the first terminal device.
  • the first terminal device may receive relative position information from the second terminal device.
  • the second terminal device can obtain the location information of the second terminal device from the second location management function network element, so that the location information of the first terminal device can be calculated based on the location information and relative location information of the second terminal device.
  • the second terminal device may receive relative position information from the first terminal device.
  • FIG. 10 shows a schematic flow chart 5 of a method for obtaining location information provided by an embodiment of the present application.
  • the method of obtaining location information is described by taking the first terminal device as the execution subject as an example.
  • the first terminal device may be the above-mentioned UE1.
  • the method of obtaining location information may include the following steps:
  • the first terminal device obtains the target positioning time.
  • the target positioning time may be one or more time points used for positioning measurement, or it may be one or more time periods composed of a time point and a time interval.
  • the embodiments of the present application do not limit this.
  • the first terminal device may receive the target positioning time from the first location management function network element.
  • the first location management function network element is used to serve the first terminal device, and the first location management function network element may be the above-mentioned LMF1.
  • the first terminal device may also send the target positioning time to the second terminal device.
  • the specific content process of the first terminal receiving the target positioning time and the target positioning time may refer to the relevant descriptions in S411 and S418 above, and will not be described again here.
  • the first terminal device can obtain the target positioning time locally.
  • the first terminal device can determine the target positioning time according to the application requirements or the application requirements include the target positioning time.
  • the first terminal device may also send the target positioning time to the first location management function network element.
  • the specific process please refer to the relevant descriptions in S703 and S704 above, and will not be described again here.
  • the first terminal device can receive the target positioning time from the second terminal device.
  • the second terminal device is used to assist the first terminal device in positioning, and the second terminal device may be the above-mentioned UE2.
  • the first terminal device may also send the target positioning time to the first location management function network element.
  • the first terminal device obtains relative position information between the first terminal device and the second terminal device according to the target positioning time.
  • S1002 may include the following steps 4-1 and 4-2:
  • Step 4-1 The first terminal device receives the measurement signal from the second terminal device according to the target positioning time.
  • the measurement signal may be a ranging signal or an angle measurement signal, which is not limited in the embodiments of the present application.
  • the first terminal device may receive the measurement signal from the second terminal device before the target positioning time or before the target positioning time.
  • Step 4-2 The first terminal device obtains the relative position information between the second terminal device and the first terminal device according to the measurement signal.
  • S1002 may include the following steps 5-1 and 5-3:
  • Step 5-1 The first terminal device sends a positioning request to the second terminal device according to the target positioning time.
  • the second terminal device receives the positioning request from the first terminal device.
  • the first terminal device may send a positioning request to the second terminal device at or before the target positioning time.
  • Step 5-2 The first terminal device receives the measurement signal from the second terminal device.
  • the second terminal device after receiving the positioning request, the second terminal device sends a measurement signal to the first terminal device based on the positioning request.
  • the measurement signal may be a ranging signal or an angle measurement signal, which is not limited in the embodiments of the present application.
  • the first terminal device obtains the relative position information between the second terminal device and the first terminal device according to the measurement signal.
  • S1002 may include the following steps 6-1 and 6-3:
  • Step 6-1 The first terminal device sends a measurement signal to the second terminal device according to the target positioning time.
  • the second terminal device receives the measurement information from the first terminal device.
  • the first terminal device may also send a measurement signal to the second terminal device before the target positioning time or before the target positioning time.
  • the measurement signal may be a ranging signal or an angle measurement signal, which is not limited in the embodiments of the present application.
  • Step 6-2 The first terminal device obtains the relative position information between the second terminal device and the first terminal device according to the measurement signal. Among them, the relative position information is determined based on the measurement signal.
  • step 6-3 the first terminal device receives the relative position information between the second terminal device and the first terminal device from the second terminal device.
  • the first terminal device can also receive the position information of the second terminal device from the second terminal device.
  • the location information of the second terminal device is determined based on the target positioning time (refer to the relevant descriptions in S804-S807 above).
  • the first terminal device can determine the location information of the first terminal device based on the relative location information and the location information of the second terminal device.
  • the specific implementation process of the first terminal device determining the location information of the first terminal device may refer to the method embodiment shown in FIG. 8 , such as the relevant content in S808-S809 and S810b.
  • the first terminal device can regularly send or receive measurement signals according to the obtained target positioning time, and can determine the relationship between the first terminal device and the second terminal device based on the reception or transmission of the measurement signals. The relative position information between them is then used to position the first terminal device.
  • FIG. 11 shows a schematic flow chart 6 of a method for obtaining location information provided by an embodiment of the present application.
  • the method of obtaining location information is described by taking the second terminal device as the execution subject as an example.
  • the second terminal device may be the above-mentioned UE2.
  • the method of obtaining location information may include the following steps:
  • the second terminal device obtains the target positioning time.
  • the second terminal device can obtain the target positioning time locally.
  • the second terminal device may receive the target positioning time from the first terminal device, where the second terminal device is used to assist the first terminal device in positioning, and the first terminal device may be the above-mentioned UE1.
  • the specific implementation process of S1101 may refer to the relevant descriptions in S701 or S803 above, and will not be described again here.
  • the second terminal device can send the target positioning time to the second location management function, and the second location management function network element is used to serve the second terminal device, which can be the above-mentioned LMF2, target positioning The time is used to determine the location information of the second terminal device.
  • the specific implementation process may refer to the relevant descriptions in S804-S807 above, and will not be described again here.
  • the second terminal device sends a measurement signal to the first terminal device according to the target positioning time.
  • the second terminal device receives measurement information from the first terminal device according to the target positioning time.
  • the measurement signal is used to determine relative position information between the first terminal device and the second terminal device.
  • the measurement signal may be a ranging signal or an angle measurement signal, which is not limited in the embodiments of the present application.
  • S1102a or S1102b may refer to the relevant descriptions in S420, S709 or S808, and will not be described again here.
  • the second terminal device can also receive relative location information from the first terminal device, and receive location information of the second terminal device from the second location management function network element.
  • the second terminal device The location information is determined based on the target positioning time.
  • the second terminal device can determine the location information of the first terminal device based on the location information and relative location information of the second terminal device, and then send the first terminal device to the first terminal device. Device location information.
  • the second terminal device can receive the location information of the second terminal device from the second location management function network element.
  • the location information of the second terminal device is determined based on the target positioning time.
  • the second terminal device The device sends the location information of the second terminal device to the first terminal device, where the location information of the second terminal device is used to determine the location information of the first terminal device.
  • the second terminal device can also regularly send or receive measurement signals based on the obtained target positioning time, and can determine the relationship between the first terminal device and the second terminal based on the reception or transmission of the measurement signals. The relative position information between devices is then used to assist in positioning the first terminal device.
  • the communication device can use the second terminal device to assist the first terminal device in positioning, measure and determine the location information of the second terminal device based on the same target positioning time, and the third
  • the relative position information between a terminal device and a second terminal device can avoid the problem of out-of-synchronization of data used for positioning calculations of the first terminal device, and utilize the position information of the second terminal device measured at the same time or at the same time.
  • the relative position information determines the position information of the first terminal device, which can solve the problem of inaccurate positioning of the terminal device due to the mobility of the terminal device, thereby improving the positioning precision and accuracy of the terminal device.
  • Embodiments also provide a method for obtaining location information.
  • the first terminal device is UE1, the first location management function network element is LMF1, the mobility management function network element serving the first terminal device is AMF1, and the gateway mobile positioning center serving the first terminal device is GMLC1, the mobile relay equipment is a mobile base station relay, the gateway mobile positioning center serving the mobile relay equipment is GMLC3, the mobility management function network element serving the mobile relay equipment is AMF3, and the third mobile relay equipment serving the mobile relay equipment
  • the three-position management function network element is AMF3 as an example.
  • the mobile base station relay can be an integrated access and backhaul (IAB) node.
  • the mobile base station relay can serve as a base station to provide access to the first terminal device, and can also serve as a terminal to access the network.
  • Figure 12 is a schematic flowchart 7 of a method for obtaining location information provided by an embodiment of the present application. As shown in Figure 12, the method of obtaining location information includes the following steps:
  • AMF1 triggers positioning of UE1.
  • AMF1 may receive a positioning request from GMLC1, and the positioning request may be a request to provide a position.
  • the positioning request may be a request to provide a position.
  • AMF1 may also receive a positioning request from UE1, and the positioning request may be a MO-LR request.
  • the positioning request may be a MO-LR request.
  • the positioning request received by AMF1 may carry reservation positioning information, and the reservation positioning information may include one or more of UE1's positioning accuracy, scheduled positioning time, time interval, and response time.
  • AMF1 confirms the cell information that UE1 accesses.
  • the cell information includes the identity of the mobile base station relay and the identities of other access cells that UE1 accesses through the mobile base station relay.
  • AMF1 sends a fifth location determination request to LMF1.
  • LMF1 receives the fifth location determination request from AMF1.
  • the fifth location determination request is used to request LMF1 to determine the location information of UE1, and the fifth location determination request carries the identity of UE1, such as GPSI or SUPI.
  • the fifth location confirmation request may carry the identity of the mobile base station relay accessed by UEl and the identities of other access cells.
  • the identifier of the mobile base station relay is the identifier of the mobile base station relay when it serves as a base station, such as a global cell identifier (cell global identifier).
  • the fifth location confirmation request may also carry reserved positioning information.
  • LMF1 initiates positioning of UE1.
  • LMF1 may send a target positioning time to UE1, and the target positioning time may be carried in a downlink positioning message or an LCS cycle trigger call request message.
  • UE1 can perform cell measurement according to the target positioning time.
  • the positioning measurement data of UE1 may include positioning measurement data measured between UE1 and the mobile base station relay, and positioning measurement data measured between UE1 and other access cells.
  • the positioning measurement data measured between UE1 and the mobile base station relay may include the cell identity (such as the global cell identity) when the mobile base station relay serves as a base station, and the downlink reference signal received power of the cell base station corresponding to the mobile base station relay. , the radio wave or PRS transmission time between the first terminal equipment and the mobile base station relay, and the round-trip signal time difference between the first terminal equipment and the base station of the cell corresponding to the mobile base station relay.
  • LMF1 sends a positioning service request to GMLC3.
  • GMLC3 receives the positioning service request from LMF1.
  • the positioning service request carries the target positioning time and the identifier of the mobile base station relay.
  • the identifier of the mobile base station relay may be the identifier of the mobile base station relay when it serves as a terminal, such as SUPI or GPSI.
  • GMLC3 sends a third location request to AMF3.
  • AMF3 receives the third location-providing request from GMLC3.
  • the third location-providing request is used to request AMF3 to provide location information of the mobile base station relay.
  • the third location-providing request carries the target positioning time and the identifier of the mobile base station relay.
  • the above S1205 and S1206 can be replaced by: LMF1 sends a positioning service request to AMF3, and the positioning service request can carry the target positioning time and the identifier of the mobile base station relay.
  • the identifier of the mobile base station relay It can be the identifier when the mobile base station relay acts as a terminal, such as SUPI or GPSI.
  • LMF1 can obtain the identity of AMF3 from UDM based on the identity of the mobile base station relay.
  • AMF3 sends a sixth location determination request to LMF3.
  • LMF3 receives the sixth location determination request from AMF3.
  • the sixth location determination request is used to request LMF3 to determine the location information of the mobile base station relay.
  • the sixth location determination request carries the target positioning time and the identifier of the mobile base station relay.
  • LMF3 initiates positioning of the mobile base station relay.
  • LMF3 sends the target positioning time to the mobile base station relay, and the mobile base station relay performs cell measurement according to the target positioning time.
  • the mobile base station The relay then sends the obtained positioning measurement data of the mobile base station relay to LMF3, and LMF3 calculates based on the positioning measurement data of the mobile base station relay to obtain the position information of the mobile base station relay.
  • LMF3 sends the sixth determined position response to AMF3.
  • AMF3 receives the sixth determined position response from LMF3.
  • the sixth determined location response carries location information relayed by the mobile base station.
  • AMF3 sends the location information of the mobile base station relay to LMF1.
  • LMF1 receives the location information relayed by the mobile base station from AMF3.
  • the location information relayed by the mobile base station can be carried and sent in the positioning service response.
  • S1204 can be executed before S1205-S1210, or after S1205-S1210, or at the same time.
  • LMF1 determines the location information of UE1 based on the positioning measurement data of UE1 and the location information of the mobile base station relay.
  • LMF1 calculates based on the positioning measurement data of UEl obtained in S1204 and the location information of the mobile base station relay obtained in S1208 to obtain the location information of UEl.
  • the positioning measurement data of UE1 can be reported by the measured cell and mobile base station relay, or can also be reported by UE1. It should be understood that the positioning measurement data of UE1 includes the positioning measurement data between UE1 and the mobile base station relay, and combined with the position information of the mobile base station relay, LMF1 can calculate the position information of UE1.
  • FIG. 12 shows another method of obtaining location information provided by the embodiment of the present application.
  • the terminal device accesses the mobile base station relay (mobile base station relay)
  • the 5G network element is combined to realize the access to the mobile base station.
  • the subsequent UE positioning process The overall process of the method for obtaining location information will be introduced below with reference to Figure 11.
  • FIG. 13 shows a schematic flow chart 8 of a method for obtaining location information provided by an embodiment of the present application.
  • the description is given taking the first location management function network element as the execution subject.
  • the first location management function network element may be the above-mentioned LMF1
  • the first terminal device may be the above-mentioned UE1
  • the mobile relay device may be the above-mentioned mobile base station relay.
  • the method of obtaining location information may include the following steps:
  • the first location management function network element obtains positioning measurement data.
  • the positioning measurement data is obtained based on the target positioning time, and the target positioning time is managed by the first position.
  • Get the management function the first location management function network element may receive preset positioning information from the positioning server, and the preset positioning information may include one or more of a preset positioning time, a time interval, or a response time. Further, the first location management function network element sends the target positioning time to the first terminal device.
  • the first location management function network element can receive the target positioning time from the first terminal device, and the first terminal device can also determine the target positioning time based on the preset positioning information.
  • the first terminal device determines the target positioning time
  • the first terminal device performs positioning measurement with the mobile relay device and/or one or more access network devices according to the target positioning time, so that the positioning measurement data can be obtained, so that the first terminal device can obtain the positioning measurement data.
  • a location management function network element can obtain positioning measurement data from the first terminal device. It should be understood that in this case, the first terminal device acquires positioning measurement data according to the target positioning time.
  • the positioning measurement data may include positioning measurement data between the first terminal device and the mobile relay device.
  • the positioning measurement data may also include positioning measurement data between the first terminal device and one or more access network devices, and the one or more access network devices may be used for access by the first terminal device.
  • the positioning measurement data between the first terminal device and the mobile relay device may include the cell identity (such as the global cell identity) when the mobile relay device serves as a base station, and the downlink reference of the cell base station corresponding to the mobile relay device.
  • the positioning measurement data may be reported by the mobile relay device and/or one or more access network devices, or reported by the first terminal device and/or the mobile relay device. Make limitations.
  • the first location management function network element obtains the location information of the mobile relay device.
  • the location information of the mobile relay device is also determined based on the target positioning time.
  • the first location management function network element may send the target positioning time to the second gateway mobile positioning center, which is used to serve the mobile relay device.
  • the second gateway mobile positioning center may be the above-mentioned GMLC3, Then GMLC3 sends the target positioning time to the mobile relay device through AMF3 and LMF3.
  • the first location management function network element can send the target positioning time to the second mobility management function network element.
  • the second mobility management function network element is used to serve mobile relay equipment.
  • the second mobility management function network element can be The above-mentioned AMF3, and then the AMF3, can send the target positioning time to the mobile relay device through the LMF3.
  • the mobile relay device can perform PRS measurements with surrounding cells or terminal devices according to the target positioning time to obtain the positioning measurement data of the mobile relay device, and then send the positioning measurement data of the mobile relay device to the third location management function network element.
  • the third location management function network element is used to serve the mobile relay device, which can be the above-mentioned LMF3, and then the third location management function network element calculates based on the positioning measurement data of the mobile relay device to obtain the location information of the mobile relay device.
  • S1302 may refer to the above-mentioned relevant descriptions of S1205-S1208, which will not be described again here.
  • the first location management function network element determines the location information of the first terminal device based on the positioning measurement data and the location information of the mobile relay device.
  • the first location management function network element may receive the location information of the mobile relay device from the third location management function network element and receive the positioning measurement data from the first terminal device, and then based on the positioning measurement data and the moving The location information of the following device is calculated to obtain the location information of the first terminal device.
  • the first location management function network element can also use the mobile relay device to assist the first terminal device in positioning, or Measure and determine the location information of the mobile relay device and the location measurement data of the first terminal device based on the same target positioning time, and use the location information of the mobile relay device and the location information of the first terminal device measured at the same time or at the same time.
  • the positioning measurement data determines the location information of the first terminal device, which can also solve the problem of inaccurate positioning of the terminal device due to the mobility of the terminal device in this scenario, thereby improving the positioning precision and accuracy of the terminal device.
  • the method for obtaining location information provided by the embodiment of the present application is described in detail above with reference to Figures 4-13.
  • the communication device used to perform the method for obtaining location information provided by the embodiment of the present application will be described in detail below with reference to FIG. 14 and FIG. 15 .
  • the communication device 1400 includes: a processing module 1401 and a transceiver module 1402.
  • the processing module 1401 can be used to implement the processing function of any device or network element in the above method embodiment
  • the transceiver module 1402 can be used to implement the transceiver function of any device or network element in the above method embodiment.
  • FIG. 14 shows only the main components of the communication device.
  • the communication device 1400 may be adapted to the system shown in any one of FIGS. 1-3 to perform the functions of the communication device in the method shown in FIG. 9, for example, perform the functions of the communication device in FIG. 4 or FIG. 7.
  • the processing module 1401 is used to obtain the location information of the second terminal device, where the location information of the second terminal device is determined based on the target positioning time, and the second terminal device is used to assist the first terminal device in positioning.
  • the processing module 1401 is also used to obtain relative position information between the second terminal device and the first terminal device, where the relative position information is determined based on the target positioning time.
  • the processing module 1401 is also configured to determine the location information of the first terminal device based on the location information and relative location information of the second terminal device.
  • processing module 1401 is also used to obtain the target positioning time.
  • the communication device 1400 can be applied to a first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the transceiver module 1402 is used to send the target positioning time to the first gateway mobile positioning center, the first gateway mobile positioning center is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device; or,
  • the transceiver module 1402 is configured to send the target positioning time to the first mobility management function network element.
  • the first mobility management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device.
  • the transceiver module 1402 is configured to receive preset positioning information from the positioning server.
  • the preset positioning information includes one or more of the following: preset positioning time, time interval, or response time.
  • the processing module 1401 is used to obtain the target positioning time according to the preset positioning information.
  • the communication device 1400 can be applied to the second terminal device.
  • the transceiver module 1402 is configured to send the target positioning time to the second location management function network element, where the second location management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device.
  • the transceiver module 1402 is used to receive the target positioning time from the first terminal device. Bit times are used to determine relative position information.
  • the transceiver module 1402 is used to send the target positioning time to the first terminal device, and the target positioning time is used to determine the relative position information.
  • the communication device 1400 can be applied to the first terminal device.
  • the transceiver module 1402 is used to send the target positioning time to the second terminal device, and the target positioning time is used to determine relative position information.
  • the transceiver module 1402 may include a receiving module and a sending module (not shown in Figure 14).
  • the sending module is used to realize the sending function of the communication device 1400
  • the receiving module is used to realize the receiving function of the communication device 1400.
  • the communication device 1400 may also include a storage module (not shown in FIG. 14), which stores programs or instructions.
  • the processing module executes the program or instruction, the communication device 1400 can perform the functions of the communication device in the method shown in FIG. 9 .
  • the communication device 1400 may be a terminal device or a network device, or may be a chip (system) or other component or assembly that can be disposed in a terminal device or a network device, or may be a device including a terminal device or a network device. , this application does not limit this.
  • the technical effects of the communication device 1400 can be referred to the technical effects of the method shown in any one of FIG. 4 or FIG. 7 to FIG. 11 , which will not be described again here.
  • the communication device 1400 may be adapted to the system shown in any one of FIGS. 1-3 to perform the functions of the first terminal device in the method shown in FIG. 10 . Specifically, the functions of UE1 in Figure 4 or Figures 7-8 are performed.
  • the processing module 1401 is used to obtain the target positioning time.
  • the processing module 1401 is also used to obtain relative position information between the second terminal device and the first terminal device according to the target positioning time, and the second terminal device is used to assist the first terminal device in positioning.
  • the transceiver module 1402 is configured to receive the measurement signal from the second terminal device according to the target positioning time.
  • the transceiver module 1402 is also used to obtain relative position information between the second terminal device and the first terminal device according to the measurement signal.
  • the transceiver module 1402 is configured to send a positioning request to the second terminal device at or before the target positioning time.
  • the transceiver module 1402 is also used to receive the measurement signal from the second terminal device.
  • the transceiver module 1402 is configured to send a measurement signal to the second terminal device according to the target positioning time.
  • the processing module 1401 is used to obtain the relative position information between the second terminal device and the first terminal device according to the measurement signal, or the transceiver module 1402 is used to receive the relative position information from the second terminal device. Among them, the relative position information is determined based on the measurement signal.
  • the transceiver module 1402 is configured to send a measurement signal to the second terminal device at or before the target positioning time.
  • the transceiver module 1402 is used to receive the target positioning time from the first location management function network element, and the first location management function network element is used to serve the first terminal device.
  • the transceiver module 1402 is used to send the target positioning time to the second terminal device, and the target positioning time is used to determine the relative position information.
  • the transceiver module 1402 is used to send the target positioning time to the first location management function network element, and the target positioning time is used to determine the location information of the second terminal device.
  • the transceiver module 1402 is configured to receive location information of the second terminal device from the second terminal device, where the location information of the second terminal device is determined based on the target positioning time.
  • the processing module 1401 is configured to determine the location information of the first terminal device based on the relative location information and the location information of the second terminal device.
  • the transceiver module 1402 may include a receiving module and a sending module (not shown in Figure 14).
  • the sending module is used to realize the sending function of the communication device 1400
  • the receiving module is used to realize the receiving function of the communication device 1400.
  • the communication device 1400 may also include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the communication device 1400 can perform the functions of the above-mentioned first terminal device.
  • the communication device 1400 may be a terminal device, a chip (system) or other components or components that can be installed in the terminal device, or a device including the terminal device, which is not limited in this application.
  • the technical effects of the communication device 1400 can be referred to the technical effects of the method shown in any one of the above-mentioned FIG. 4 or FIG. 7-FIG. 11, which will not be described again here.
  • the communication device 1400 may be adapted to the system shown in any one of FIGS. 1-3 to perform the functions of the second terminal device in the method shown in FIG. 11 . Specifically, the functions of UE2 in Figure 4 or Figures 7-8 are performed.
  • the processing module 1401 is used to obtain the target positioning time.
  • Transceiver module 1402 configured to send measurement signals to the first terminal device according to the target positioning time; or,
  • the transceiver module 1402 is configured to receive the measurement signal from the first terminal device according to the target positioning time.
  • the second terminal device is used to assist the first terminal device in positioning
  • the measurement signal is used to determine relative position information between the second terminal device and the first terminal device.
  • the transceiver module 1402 is also used to receive the target positioning time from the first terminal device.
  • the transceiver module 1402 is used to send the target positioning time to the second location management function network element, the second location management function network element is used to serve the second terminal device, and the target positioning time is used to determine the location information of the second terminal device. .
  • the processing module 1401 is used to obtain relative position information.
  • the transceiver module 1402 is configured to receive location information of the second terminal device from the second location management function network element, where the location information of the second terminal device is determined based on the target positioning time.
  • the processing module 1401 is configured to determine the location information of the first terminal device according to the location information and relative location information of the second terminal device.
  • the transceiving module 1402 is configured to send the location information of the first terminal device to the first terminal device.
  • the transceiver module 1402 is used to receive information from the second location management function network element.
  • the location information of the second terminal device is determined based on the target positioning time.
  • the transceiving module 1402 is configured to send the location information of the second terminal device to the first terminal device, where the location information of the second terminal device is used to determine the location information of the first terminal device.
  • the transceiver module 1402 may include a receiving module and a sending module (not shown in Figure 14).
  • the sending module is used to realize the sending function of the communication device 1400
  • the receiving module is used to realize the receiving function of the communication device 1400.
  • the communication device 1400 may also include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the first communication device 1400 can perform the functions of the second terminal device in the method shown.
  • the communication device 1400 may be a terminal device, a chip (system) or other components or components that can be installed in the terminal device, or a device including the terminal device, which is not limited in this application.
  • the technical effects of the communication device 1400 can be referred to the technical effects of the method shown in any one of the above-mentioned FIG. 4 or FIG. 7-FIG. 11, which will not be described again here.
  • the communication device 1400 may be adapted to the system shown in FIGS. 1-3 to perform the functions of the first location management function network element in the method shown in FIG. 13 .
  • the processing module 1401 is used to obtain positioning measurement data, where the positioning measurement data includes positioning measurement data between the first terminal device and the mobile relay device, and the positioning measurement data is obtained according to the target positioning time.
  • the processing module 1401 is used to obtain the location information of the mobile relay device, where the location information of the mobile relay device is determined based on the target positioning time.
  • the processing module 1401 is configured to determine the location information of the first terminal based on the positioning measurement data and the location information of the mobile relay device.
  • the transceiver module 1402 is configured to receive positioning measurement data between the first terminal device or the mobile relay device and the first terminal device and the mobile relay device.
  • processing module 1401 is used to obtain the target positioning time.
  • the transceiver module 1402 is used to receive preset positioning information from the positioning server.
  • the preset positioning information includes one or more of the following: preset positioning time, time interval, or response time;
  • the processing module 1401 is used to obtain the target positioning time according to the preset positioning information.
  • the transceiver module 1402 is used to send the target positioning time to the first terminal device, and the target positioning time is used to determine the positioning measurement data.
  • the transceiver module 1402 is used to receive the target positioning time from the first terminal device.
  • the transceiver module 1402 is used to send the target positioning time to the second gateway mobile positioning center.
  • the second gateway mobile positioning center is used to serve the mobile relay device, and the target positioning time is used to determine the mobile relay device. location information; or,
  • the transceiver module 1402 is configured to send the target positioning time to the second mobility management function network element.
  • the second mobility management function network element is used to serve the mobile relay device, and the target positioning time is used to determine the location information of the mobile relay device.
  • the transceiver module 1402 may include a receiving module and a sending module (not shown in Figure 14).
  • the sending module is used to realize the sending function of the communication device 1400
  • the receiving module is used to realize the receiving function of the communication device 1400.
  • the communication device 1400 may also include a storage module that stores programs or instructions.
  • the processing module executes the program or instruction, the first communication device 1400 can perform the function of the first location management function network element in the method shown in FIG. 11 .
  • the communication device 1400 may be a network device, a chip (system) or other components or components that can be disposed in the network device, or a device including a network device, which is not limited in this application.
  • the technical effects of the communication device 1400 can be referred to the technical effects of the method shown in FIG. 11 , which will not be described again here.
  • FIG. 15 is a second structural schematic diagram of a communication device provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device, or may be a chip (system) or other component or component that can be disposed in the terminal device or the network device.
  • communication device 1500 may include processor 1501 .
  • the communication device 1500 may also include a memory 1502 and/or a transceiver 1503.
  • the processor 1501 is coupled to the memory 1502 and the transceiver 1503, for example, through a communication bus.
  • the processor 1501 is the control center of the communication device 1500, and may be a processor or a collective name for multiple processing elements.
  • the processor 1501 is one or more central processing units (CPUs), may also be an application specific integrated circuit (ASIC), or may be configured to implement one or more embodiments of the present application.
  • An integrated circuit such as one or more digital signal processors (DSP), or one or more field programmable gate arrays (FPGA).
  • DSP digital signal processors
  • FPGA field programmable gate arrays
  • the processor 1501 can perform various functions of the communication device 1500 by running or executing software programs stored in the memory 1502 and calling data stored in the memory 1502.
  • the processor 1501 may include one or more CPUs, such as CPU0 and CPU1 shown in FIG. 15 .
  • the communication device 1500 may also include multiple processors, such as the processor 1501 and the processor 1504 shown in FIG. 2 .
  • processors can be a single-core processor (single-CPU) or a multi-core processor (multi-CPU).
  • a processor here may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
  • the memory 1502 is used to store the software program for executing the solution of the present application, and is controlled by the processor 1501 for execution.
  • the memory 1502 is used to store the software program for executing the solution of the present application, and is controlled by the processor 1501 for execution.
  • the memory 1502 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (random access memory, RAM) or a random access memory (RAM) that can store information and instructions.
  • ROM read-only memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • CD-ROM compact disc read-only memory
  • CD-ROM compact disc read-only memory
  • optical disc storage including compressed optical discs, laser discs,
  • Transceiver 1503 used for communication with other communication devices.
  • the communication device 1500 is a terminal device, and the transceiver 1503 can be used to communicate with a network device or with another terminal device.
  • the communication device 1500 is a network device, and the transceiver 1503 can be used to communicate with a terminal device or with another network device.
  • the transceiver 1503 may include a receiver and a transmitter (not shown separately in Figure 15). Among them, the receiver is used to implement the receiving function, and the transmitter is used to implement the sending function.
  • the transceiver 1503 can be integrated with the processor 1501, or can exist independently and be coupled to the processor 1501 through the interface circuit (not shown in Figure 15) of the communication device 1500. This is not the case in the embodiment of this application. Specific limitations.
  • the structure of the communication device 1500 shown in Figure 15 does not constitute a limitation on the communication device.
  • the actual communication device may include more or less components than shown in the figure, or some components may be combined, or Different component arrangements.
  • the technical effects of the communication device 1500 can be referred to the technical effects of the method for obtaining location information described in the above method embodiment, which will not be described again here.
  • An embodiment of the present application provides a communication system.
  • the communication system includes the above-mentioned first location management function network element and the second location management function network element.
  • a first terminal device and a second terminal device are also included.
  • Embodiments of the present application provide a computer-readable storage medium, which includes: computer instructions are stored in the computer-readable storage medium; when the computer instructions are run on a computer, the computer is caused to execute as shown in Figure 4 or Figure 7- Figure 13 any of the methods shown.
  • Embodiments of the present application provide a computer program product containing instructions, including computer programs or instructions.
  • the computer program or instructions When the computer program or instructions are run on a computer, the computer executes any one of Figure 4 or Figure 7 to Figure 13. method shown.
  • the processor in the embodiment of the present application can be a central processing unit (CPU).
  • the processor can also be other general-purpose processors, digital signal processors (DSP), special-purpose integrated processors, etc.
  • Circuit application specific integrated circuit, ASIC), off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable ROM (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (random access memory) memory, RAM), which serves as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • RAM synchronous dynamic random access memory
  • Access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory access memory direct rambus RAM, DR RAM
  • the above embodiments may be implemented in whole or in part by software, hardware (such as circuits), firmware, or any other combination.
  • the above-described embodiments may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmit to another website, computer, server or data center through wired (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center that contains one or more sets of available media.
  • the usable media may be magnetic media (eg, floppy disk, hard disk, tape), optical media (eg, DVD), or semiconductor media.
  • the semiconductor medium may be a solid state drive.
  • At least one refers to one or more, and “plurality” refers to two or more.
  • At least one of the following” or similar expressions thereof refers to any combination of these items, including any combination of a single item (items) or a plurality of items (items).
  • at least one of a, b, or c can mean: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or multiple .
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.

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Abstract

本申请提供一种获取位置信息的方法、通信装置及系统，属于通信领域，能够解决终端设备定位不准确的问题。该方法可以应用于第一位置管理功能网元、第一终端设备或第二终端设备，该方法包括：获取第二终端设备的位置信息，其中，第二终端设备的位置信息是根据目标定位时间确定的，第二终端设备用于辅助第一终端设备定位。获取第二终端设备与第一终端设备之间的相对位置信息，其中，相对位置信息是根据目标定位时间确定的。根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。

Description

获取位置信息的方法、通信装置及系统
本申请要求于2022年04月29日提交国家知识产权局、申请号为202210475100.4、申请名称为“获取位置信息的方法、通信装置及系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，尤其涉及一种获取位置信息的方法、通信装置及系统。
背景技术
随着移动通信的高速发展，终端设备的定位广泛应用于车联网、自动驾驶、智能制造、智慧物流、无人机等场景中。目前，终端设备可以根据周围小区发送的定位参考信号(positioning reference signalling，PRS)进行定位测量后，将获得的定位测量数据发送给位置管理功能(location management function，LMF)网元，LMF网元根据定位测量数据确定终端设备的位置信息。然而，由于终端设备的移动性，或者终端设备不能获得足够多的PRS时，LMF网元根据定位测量数据确定的终端设备的位置信息不准确。
发明内容
本申请提供一种获取位置信息的方法、通信装置及系统，能够解决终端设备定位不准确的问题。
为达到上述目的，本申请采用如下技术方案：
第一方面，提供一种获取位置信息的方法。该方法可以由通信设备执行，该通信设备可以第一位置管理功能、第一终端设备或第二终端设备。该方法包括：通信设备获取第二终端设备的位置信息，其中，第二终端设备的位置信息是根据目标定位时间确定的，第二终端设备用于辅助第一终端设备定位。通信设备获取第二终端设备与第一终端设备之间的相对位置信息，其中，相对位置信息是根据目标定位时间确定的。通信设备根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。
基于第一方面所述的方法，通信设备可以利用第二终端设备辅助第一终端设备定位，基于相同的目标定位时间测量并确定第二终端设备的位置信息，以及第一终端设备与第二终端设备的相对位置信息，可以避免用于第一终端设备定位计算的数据不同步的问题，并利用同一时间或相同时间测量得到的第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息，可以解决由于终端设备的移动性造成终端设备定位不准确的问题，从而可以提高终端设备的定位精度和准确度。
进一步地，第一方面所述的方法还可以包括：获取目标定位时间。如此，通信设备可以本地配置获取或从其他设备获取目标定位时间，从而基于目标定位时间完成对第一终端设备的定位，可以解决用于第一终端设备定位计算的数据不同步的问题。
一种可能的设计方案中，第一方面所述的获取位置信息的方法应用于第一位置管 理功能网元，第一位置管理功能网元用于服务第一终端设备。该方法还可以包括：向第一网关移动定位中心发送目标定位时间，第一网关移动定位中心用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息；或者，向第一移动性管理功能网元发送目标定位时间，第一移动性管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。如此，所述方法应用于第一位置管理功能网元，即通信设备可以是第一位置管理功能网元，第一位置管理功能网元可以向为第二终端设备服务的第一网关移动定位中心或第一移动性管理功能网元，发送目标定位时间，从而可以由第一网关移动定位中心或第一移动性管理功能网元发送目标定位时间给第二终端设备，进而第二终端设备可以根据目标定位时间进行定位测量，得到第二终端设备的位置信息，实现对第一终端设备的定位，提高第一终端设备定位的准确度。
进一步地，获取所述目标定位时间，包括：接收来自定位服务器的预设定位信息，预设定位信息可以包括如下一项或多项：预设定位时间、时间间隔、或者响应时间。根据预设定位信息获取目标定位时间。如此，第一位置管理功能网元可以根据预设定位信息设定目标定位时间，以便于可以获取基于该目标定位时间测量得到第二终端设备的位置信息和相对位置信息，提高终端设备的定位精度。
又一种可能的设计方案中，第一方面所述的获取位置信息的方法应用于第二终端设备。该方法还包括：向第二位置管理功能网元发送目标定位时间，其中，第二位置管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。如此，第一方面所述的获取位置信息的方法可以应用于第二终端设备，第二终端设备可以获取目标定位时间，并向第二位置管理功能网元发送目标定位时间，从而发起对第二终端设备的定位，获取第二终端设备的位置信息。
进一步地，获取目标定位时间，包括：接收来自第一终端设备的目标定位时间，目标定位时间用于确定相对位置信息。如此，第一位置管理功能网元或第二终端设备可以从第一终端设备获取目标定位时间，从而实现对第一终端设备的定位。
一种可能的设计方案中，第一方面所述的方法还包括：向第一终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。如此，第一位置管理功能网元或第二终端设备也可以向第一终端设备发送目标定位时间，用于第一终端设备确定相对位置信息。
另一种可能的设计方案中，第一方面所述获取位置信息的方法应用于第一终端设备。该方法还包括：向第二终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。如此，第一终端设备可以向第二终端设备发送目标定位时间，以便于第二终端设备可以根据目标定位时间确定相对位置信息和/或第二终端设备的位置信息。
第二方面，提供一种获取位置信息的方法。该方法包括：第一终端设备获取目标定位时间。第一终端设备根据目标定位时间获取第二终端设备与第一终端设备之间的相对位置信息，第二终端设备用于辅助第一终端设备定位。
一种可能的设计方案中，第一终端设备根据目标定位时间获取相对位置信息，可以包括：第一终端设备根据目标定位时间接收来自第二终端设备的测量信号。第一终端设备根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。
进一步地，第一终端设备根据目标定位时间接收来自第二终端设备的测量信号，可以包括：第一终端设备在目标定位时间或在目标定位时间之前，向第二终端设备发送定位请求。第一终端设备接收来自第二终端设备的测量信号。
一种可能的设计方案中，第一终端设备根据目标定位时间获取相对位置信息，包括：第一终端设备根据目标定位时间向第二终端设备发送测量信号。第一终端设备根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息，或者，第一终端设备接收来自第二终端设备的相对位置信息。其中，相对位置信息是根据测量信号确定的。
进一步地，第一终端设备根据目标定位时间向第二终端设备发送测量信号，可以包括：第一终端设备在目标定位时间或在目标定位时间之前，向第二终端设备发送测量信号。
一种可能的设计方案中，第一终端设备获取目标定位时间，可以包括：第一终端设备接收来自第一位置管理功能网元的目标定位时间，第一位置管理功能网元用于服务第一终端设备。
一种可能的设计方案中，第二方面所述的方法还可以包括：第一终端设备向第二终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
一种可能的设计方案中，第二方面所述的方法还可以包括：第一终端设备向第一位置管理功能网元发送目标定位时间，目标定位时间用于确定第二终端设备的位置信息。
一种可能的设计方案中，第二方面所述的方法还可以包括：第一终端设备接收来自第二终端设备的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。第一终端设备根据相对位置信息和第二终端设备的位置信息，确定第一终端设备的位置信息。
第三方面，提供一种获取位置信息的方法。该方法包括：第二终端设备获取目标定位时间。第二终端设备根据目标定位时间向第一终端设备发送测量信号；或者，第二终端设备根据目标定位时间接收来自第一终端设备的测量信号。其中，第二终端设备用于辅助第一终端设备定位，测量信号用于确定第二终端设备与第一终端设备之间的相对位置信息。
一种可能的设计方案中，第二终端设备获取目标定位时间，可以包括：第二终端设备接收来自第一终端设备的目标定位时间。
进一步地，第三方面所述的方法还可以包括：第二终端设备向第二位置管理功能网元发送目标定位时间，第二位置管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
一种可能的设计方案中，第三方面所述的方法还可以包括：第二终端设备获取相对位置信息。第二终端设备接收来自第二位置管理功能网元的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。第二终端设备根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。第二终端设备向第一终端设备发送第一终端设备的位置信息。
一种可能的设计方案中，第三方面所述的方法还可以包括：第二终端设备接收来 自第二位置管理功能网元的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。第二终端设备向第一终端设备发送第二终端设备的位置信息，其中，第二终端设备的位置信息用于确定第一终端设备的位置信息。
此外，第二方面和第三方面所述的方法的技术效果，可以参考第一方面所述的方法的技术效果，此处不再赘述。
第四方面，提供一种获取位置信息的方法。该方法可以应用于第一位置管理功能网元，第一位置管理功能网元用于服务第一终端设备。该方法包括：获取定位测量数据，其中，定位测量数据包括第一终端设备与移动中继设备之间的定位测量数据，定位测量数据是根据目标定位时间获取的。获取移动中继设备的位置信息，其中，移动中继设备的位置信息是根据目标定位时间确定的。根据定位测量数据和移动中继设备的位置信息，确定第一终端设备的位置信息。
基于第四方面提供的获取位置信息的方法，在终端设备接入移动中继设备的场景下，第一位置管理功能网元也可以利用移动中继设备辅助第一终端设备定位，也基于相同的目标定位时间测量并确定移动中继设备的位置信息，以及第一终端设备的定位测量数据，并利用同一时间或相同时间测量得到的移动中继设备的位置信息和第一终端设备的定位测量数据，确定第一终端设备的位置信息，也可以解决在此场景下由于终端设备的移动性造成终端设备定位不准确的问题，从而可以提高终端设备的定位精度和准确度。
一种可能的设计方案中，获取定位测量数据，可以包括：接收来自第一终端设备或移动中继设备的第一终端设备与移动中继设备之间的定位测量数据。如此，第一终端设备的定位测量数据中包括第一终端设备与接入的移动中继设备之间的定位测量数据，再结合移动中继设备的位置信息，可以进一步地提高定位的准确度。
进一步地，第四方面所述的方法还可以包括：获取目标定位时间。
一种可能的设计方案中，获取目标定位时间，可以包括：接收来自定位服务器的预设定位信息，预设定位信息可以包括如下一项或多项：预设定位时间、时间间隔、或者响应时间。根据预设定位信息获取目标定位时间。如此，第一位置管理功能网元可以根据预设定位信息设定目标定位时间，以便于可以获取基于该目标定位时间测量得到移动中继设备的位置信息和定位测量数据，提高终端设备的定位精度。
一种可能的设计方案中，第四方面所述的方法还可以包括：向第一终端设备发送目标定位时间，目标定位时间用于确定定位测量数据。如此，第一位置管理功能网元基于预设的目标定位时间，指示第一终端设备在该定位时间进行测量，从而可以确保测量数据的同步，提高终端设备定位的准确度。
又一种可能的设计方案中，获取目标定位时间，可以包括：接收来自第一终端设备的目标定位时间。如此，目标定位时间可以由第一终端设备确定，可以减少第一位置管理功能网元执行时间，提高定位速率。
一种可能的设计方案中，第四方面所述的方法还可以包括：向第二网关移动定位中心发送目标定位时间，第二网关移动定位中心用于服务移动中继设备，目标定位时间用于确定移动中继设备的位置信息；或者，向第二移动性管理功能网元发送目标定位时间，第二移动性管理功能网元用于服务移动中继设备，目标定位时间用于确定移 动中继设备的位置信息。如此，第一位置管理功能网元可以向为移动中继设备服务的第二网关移动定位中心或第二移动性管理功能网元，发送目标定位时间，从而可以将目标定位时间发送给移动中继设备，完成移动中继设备的位置测量。
第五方面，提供一种通信装置。该装置包括：处理模块。其中，处理模块，用于获取第二终端设备的位置信息，其中，第二终端设备的位置信息是根据目标定位时间确定的，第二终端设备用于辅助第一终端设备定位。处理模块，还用于获取第二终端设备与第一终端设备之间的相对位置信息，其中，相对位置信息是根据目标定位时间确定的。处理模块，还用于根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。
进一步地，处理模块，还用于获取目标定位时间。
一种可能的设计方案中，第五方面所述的装置应用于第一位置管理功能网元，第一位置管理功能网元用于服务第一终端设备，该装置还包括：收发模块。其中，收发模块，用于向第一网关移动定位中心发送目标定位时间，第一网关移动定位中心用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息；或者，收发模块，用于向第一移动性管理功能网元发送目标定位时间，第一移动性管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
进一步地，收发模块，用于接收来自定位服务器的预设定位信息，预设定位信息包括如下一项或多项：预设定位时间、时间间隔、或者响应时间。处理模块，用于根据预设定位信息获取目标定位时间。
又一种可能的设计方案中，第五方面所述的装置应用于第二终端设备。该装置还包括：收发模块。其中，收发模块，用于向第二位置管理功能网元发送目标定位时间，其中，第二位置管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
进一步地，收发模块，用于接收来自第一终端设备的目标定位时间，目标定位时间用于确定相对位置信息。
一种可能的设计方案中，收发模块，用于向第一终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
另一种可能的设计方案中，第五方面所述的装置应用于第一终端设备。该装置还包括：收发模块。其中，收发模块，用于向第二终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
可选地，收发模块可以包括接收模块和发送模块。其中，发送模块用于实现第五方面所述的通信装置的发送功能，接收模块用于实现第五方面所述的通信装置的接收功能。
可选地，第五方面所述的通信装置还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得第五方面所述的通信装置可以执行第一方面所述的方法。
需要说明的是，第五方面所述的通信装置可以是终端设备或网络设备，也可以是可设置于终端设备或网络设备中的芯片(系统)或其他部件或组件，还可以是包含终端设备或网络设备的装置，本申请对此不做限定。
第六方面，提供一种通信装置。该装置包括：处理模块。其中，处理模块，用于获取目标定位时间。处理模块，还用于根据目标定位时间获取第二终端设备与第一终端设备之间的相对位置信息，第二终端设备用于辅助第一终端设备定位。
一种可能的设计方案中，第六方面所述的装置还包括：收发模块。其中，收发模块，用于根据目标定位时间接收来自第二终端设备的测量信号。收发模块，还用于根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。
进一步地，收发模块，用于在目标定位时间或在目标定位时间之前，向第二终端设备发送定位请求。收发模块，还用于接收来自第二终端设备的测量信号。
一种可能的设计方案中，收发模块，用于根据目标定位时间向第二终端设备发送测量信号。处理模块，用于根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。或者，收发模块，用于接收来自第二终端设备的相对位置信息。其中，相对位置信息是根据测量信号确定的。
进一步地，收发模块，用于在目标定位时间或在目标定位时间之前，向第二终端设备发送测量信号。
一种可能的设计方案中，收发模块，用于接收来自第一位置管理功能网元的目标定位时间，第一位置管理功能网元用于服务第一终端设备。
一种可能的设计方案中，收发模块，用于向第二终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
一种可能的设计方案中，收发模块，用于向第一位置管理功能网元发送目标定位时间，目标定位时间用于确定第二终端设备的位置信息。
一种可能的设计方案中，收发模块，用于接收来自第二终端设备的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。处理模块，用于根据相对位置信息和第二终端设备的位置信息，确定第一终端设备的位置信息。
可选地，收发模块可以包括接收模块和发送模块。其中，发送模块用于实现第六方面所述的通信装置的发送功能，接收模块用于实现第六方面所述的通信装置的接收功能。
可选地，第六方面所述的通信装置还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得第六方面所述的通信装置可以执行第二方面所述的方法。
需要说明的是，第六方面所述的通信装置可以是终端设备，也可以是可设置于终端设备中的芯片(系统)或其他部件或组件，还可以是包含终端设备的装置，本申请对此不做限定。
第七方面，提供一种通信装置。该装置包括：处理模块和收发模块。其中，处理模块，用于获取目标定位时间。收发模块，用于根据目标定位时间向第一终端设备发送测量信号；或者，收发模块，用于根据目标定位时间接收来自第一终端设备的测量信号。其中，第二终端设备用于辅助第一终端设备定位，测量信号用于确定第二终端设备与第一终端设备之间的相对位置信息。
一种可能的设计方案中，收发模块，还用于接收来自第一终端设备的目标定位时间。
进一步地，收发模块，用于向第二位置管理功能网元发送目标定位时间，第二位置管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
一种可能的设计方案中，处理模块，用于获取相对位置信息。收发模块，用于接收来自第二位置管理功能网元的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。处理模块，用于根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。收发模块，用于向第一终端设备发送第一终端设备的位置信息。
一种可能的设计方案中，收发模块，用于接收来自第二位置管理功能网元的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。收发模块，用于向第一终端设备发送第二终端设备的位置信息，其中，第二终端设备的位置信息用于确定第一终端设备的位置信息。
可选地，收发模块可以包括接收模块和发送模块。其中，发送模块用于实现第七方面所述的通信装置的发送功能，接收模块用于实现第七方面所述的通信装置的接收功能。
可选地，第七方面所述的通信装置还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得第七方面所述的通信装置可以执行第三方面所述的方法。
需要说明的是，第七方面所述的通信装置可以是终端设备，也可以是可设置于终端设备中的芯片(系统)或其他部件或组件，还可以是包含终端设备的装置，本申请对此不做限定。
此外，第五方面和第七方面所述的通信装置的技术效果，可以参考第一方面所述的方法的技术效果，此处不再赘述。
第八方面，提供一种通信装置。该装置应用于第一位置管理功能网元，第一位置管理功能网元用于服务第一终端设备。该装置包括：处理模块。处理模块，用于获取定位测量数据，其中，定位测量数据包括第一终端设备与移动中继设备之间的定位测量数据，定位测量数据是根据目标定位时间获取的。处理模块，用于获取移动中继设备的位置信息，其中，移动中继设备的位置信息是根据目标定位时间确定的。处理模块，用于根据定位测量数据和移动中继设备的位置信息，确定第一终端设备的位置信息。
一种可能的设计方案中，第八方面所述的装置还包括：收发模块。其中，收发模块，用于接收来自第一终端设备或移动中继设备的第一终端设备与移动中继设备之间的定位测量数据。
进一步地，处理模块，用于获取目标定位时间。
一种可能的设计方案中，第八方面所述的装置还包括：收发模块；
收发模块，用于接收来自定位服务器的预设定位信息，预设定位信息包括如下一项或多项：预设定位时间、时间间隔、或者响应时间；
处理模块，用于根据预设定位信息获取目标定位时间。
一种可能的设计方案中，收发模块，用于向第一终端设备发送目标定位时间，目 标定位时间用于确定定位测量数据。
又一种可能的设计方案中，第八方面所述的装置还包括：收发模块。其中，收发模块，用于接收来自第一终端设备的目标定位时间。
一种可能的设计方案中，收发模块，用于向第二网关移动定位中心发送目标定位时间，第二网关移动定位中心用于服务移动中继设备，目标定位时间用于确定移动中继设备的位置信息；或者，收发模块，用于向第二移动性管理功能网元发送目标定位时间，第二移动性管理功能网元用于服务移动中继设备，目标定位时间用于确定移动中继设备的位置信息。
可选地，收发模块可以包括接收模块和发送模块。其中，发送模块用于实现第八方面所述的通信装置的发送功能，接收模块用于实现第八方面所述的通信装置的接收功能。
可选地，第八方面所述的通信装置还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得第八方面所述的通信装置可以执行第四方面所述的方法。
需要说明的是，第八方面所述的通信装置可以是网络设备，也可以是可设置于网络设备中的芯片(系统)或其他部件或组件，还可以是包含网络设备的装置，本申请对此不做限定。
此外，第八方面所述的通信装置的技术效果，可以参考第四方面所述的方法的技术效果，此处不再赘述。
第九方面，提供一种通信装置。该通信装置包括：处理器和存储器。其中，存储器用于存储计算机指令，当处理器执行该指令时，以使得该通信装置执行第一方面和第四方面任一所述的方法。
在一种可能的设计方案中，第九方面所述的通信装置还可以包括收发器。该收发器可以用于第九方面所述的通信装置与其他通信装置通信。
在本申请中，第九方面所述的通信装置可以为第一方面至第四方面中的第一位置管理功能网元或第一终端设备或第二终端设备，或者可设置于第一位置管理功能网元或第一终端设备或第二终端设备的芯片(系统)或其他部件或组件，或者包含该第一位置管理功能网元或第一终端设备或第二终端设备的装置。
第十方面，提供一种通信系统。该通信系统包括第一位置管理功能网元和第二位置管理功能网元。可选地，该通信系统还包括：第一终端设备和第二终端设备。
第十一方面，提供一种计算机可读存储介质，包括：计算机程序或指令；当该计算机程序或指令在计算机上运行时，使得该计算机执行第一方面和第四方面任一所述的方法。
第十二方面，提供一种计算机程序产品，包括计算机程序或指令，当该计算机程序或指令在计算机上运行时，使得该计算机执行第一方面和第四方面任一所述的方法。
第十三方面，本申请实施例提供一种计算机程序。计算机程序产品包括：计算机程序或指令，当计算机程序或指令在计算机上运行时，使得所述计算机执行如第一方面至第四方面任一所述的方法。
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图1为本申请实施例提供的一种通信系统的架构示意图一；
图2为本申请实施例提供的一种通信系统的架构示意图二；
图3为本申请实施例提供的一种通信系统的架构示意图三；
图4为本申请实施例提供的一种获取位置信息的方法的流程示意图一；
图5为本申请实施例提供的UE1与UE2之间测量相对距离的结构示意图；
图6为本申请实施例提供的UE1与UE2之间测量相对角度的结构示意图；
图7为本申请实施例提供的一种获取位置信息的方法的流程示意图二；
图8为本申请实施例提供的一种获取位置信息的方法的流程示意图三；
图9为本申请实施例提供的一种获取位置信息的方法的流程示意图四；
图10为本申请实施例提供的一种获取位置信息的方法的流程示意图五；
图11为本申请实施例提供的一种获取位置信息的方法的流程示意图六；
图12为本申请实施例提供的一种获取位置信息的方法的流程示意图七；
图13为本申请实施例提供的一种获取位置信息的方法的流程示意图八；
图14为本申请实施例提供的一种通信装置的结构示意图一；
图15为本申请实施例提供的一种通信装置的结构示意图二。
具体实施方式
为方便理解，下面先对相关技术进行说明。
目前，终端设备的定位方式有两种：一种是终端设备根据周围小区发送的PRS进行定位测量后，将获得的定位测量数据发送给LMF网元。LMF网元接收来自终端设备的定位测量数据，并根据定位测量数据确定终端设备的位置信息。然而，由于终端设备的移动性，该方式中，当终端设备处于网络覆盖范围之外，或者不能获得足够多的PRS时，终端设备获得的定位测量数据并不准确，从而导致LMF网元根据定位测量数据确定的终端设备的位置信息不准确。该定位方式是通过Uu接口进行定位测量的，可以称为Uu定位。
另一种方式是具有侧行链路(sidelink)定位能力的终端设备通过测距或测角，确定终端设备之间的相对距离或相对角度，从而可以实现终端设备的相对定位。但是采用此方式得到位置信息的是终端设备的相对位置，即获得的终端设备的位置信息也不准确。该方式是通过侧行链路进行定位测量的可以称为sidelink定位。
因此，为解决终端设备定位不准确的问题，本申请实施例提供了一种获取位置信息的方法，可以通过预约定位时间的方式，结合其他终端设备，对待定位的终端设备进行定位测量，在同一时间完成终端设备与周围小区(如基站或接入网设备)之间的定位测量，以及终端设备与终端设备之间的定位测量，并基于相同时间获取的终端设备与周围小区之间的定位测量数据，以及终端设备与终端设备之间的定位测量数据，完成对待定位的终端设备的位置计算，可以提高终端设备定位的准确度，从而得到更为精准的终端设备的位置信息。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
申请实施例的技术方案可以应用于各种通信系统，例如无线保真(wireless fidelity， WiFi)系统，车到任意物体(vehicle to everything，V2X)通信系统、设备间(device-todevie，D2D)通信系统、车联网通信系统、第4代(4th generation，4G)移动通信系统，如长期演进(long term evolution，LTE)系统、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、第5代(5th generation，5G)移动通信系统，如新空口(new radio，NR)系统，以及未来的通信系统，如第六代(6th generation，6G)移动通信系统等。
本申请将围绕可包括多个设备、组件、模块等的系统来呈现各个方面、实施例或特征。应当理解和明白的是，各个系统可以包括另外的设备、组件、模块等，并且/或者可以并不包括结合附图讨论的所有设备、组件、模块等。此外，还可以使用这些方案的组合。
另外，在本申请实施例中，“示例地”、“例如”等词用于表示作例子、例证或说明。本申请中被描述为“示例”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用示例的一词旨在以具体方式呈现概念。
本申请实施例中，“信息(information)”，“信号(signal)”，“消息(message)”，“信道(channel)”、“信令(singaling)”有时可以混用，应当指出的是，在不强调其区别时，其所要表达的含义是一致的。“的(of)”，“相应的(corresponding，relevant)”和“对应的(corresponding)”有时可以混用，应当指出的是，在不强调其区别时，其所要表达的含义是一致的。
本申请实施例描述的网络架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
为便于理解本申请实施例，首先给出本申请实施例提供的通信系统。
示例性的，图1为本申请实施例提供的一种通信系统的架构示意图。
如图1所示，该通信系统包括：第一位置管理功能网元和第二位置管理功能网元。其中，第一位置管理功能网元和第二位置管理功能网元直接可以直接通信，也可以通过其他设备的转发进行通信，本申请实施例对此不做具体限定。
可选地，如图1所示，该通信系统还可以包括第一终端设备和第二终端设备。其中，第一位置管理功能网元用于服务第一终端设备，可以对第一终端设备的定位服务请求进行管理和控制，第二位置管理功能网元用于服务第二终端设备，可以对第二终端设备的定位服务请求进行管理和控制。在本申请实施例中，以第一终端设备作为目标定位设备，第二终端设备作为辅助第一终端设备定位的设备为例进行说明。该第一终端设备还可以称为目标终端设备，第二终端设备还可以称为辅助终端设备，本申请实施例对此不做具体限定。
虽然未示出，该通信系统还可以包括移动性管理功能网元等其他网元或设备，本申请实施例对此不做具体限定。
一种可能的实现方式中，第二位置管理功能网元根据目标定位时间确定第二终端设备的位置信息后，向第一位置管理功能网元发送第二终端设备的位置信息。第一位置管理功能网元接收来自第二位置管理功能网元的第二终端设备的位置信息；以及， 第一位置管理功能网元可以获取第二终端设备与第一终端设备之前的相对位置信息，其中，该相对位置信息是根据目标定位时间确定的。进而，第一位置管理功能网元可以根据第二终端设备的位置信息和上述相对位置信息，确定第一终端设备的位置信息。该方案的具体实现过程将在后续方法实施例中描述，在此不予赘述。
另一种可能的实现方式中，第二位置管理功能网元根据目标定位时间确定第二终端设备的位置信息后，向第一位置管理功能网元发送第二终端设备的位置信息。第一位置管理功能网元接收来自第二位置管理功能网元的第二终端设备的位置信息，并向第一终端设备发送第二终端设备的位置信息。进而，可选地，第一终端设备接收第二终端设备的位置信息；以及，第一终端设备可以获取第二终端设备与第一终端设备之间的相对位置信息，其中，该相对位置信息是根据目标定位时间确定的。进而，第一终端设备可以根据第二终端设备的位置信息和上述相对位置信息，确定第一终端设备的位置信息。该方案的具体实现过程及其技术效果将在后续方法实施例中描述，在此不予赘述。
可选地，上述第一位置管理功能网元或第二位置管理功能网元可以是LMF网元，或者是定位管理组件(location management component，LMC)网元，或者可以是位于网络设备中的本地定位管理功能(local location management function，LLMF)网元等，本申请实施例对此不做具体限定。
可选地，本申请实施例中的第一位置管理功能网元或第二位置管理功能网元也可以是相同的位置管理功能网元。换言之，本申请实施例中，服务第一终端设备和第二终端设备的位置管理功能网元可能是相同的位置管理功能网元，本申请实施例对此不做具体限定。
示例性的，如图2所示，为本申请实施例提供的另一种通信系统，该通信系统包括：第一终端设备和第二终端设备。其中，第一终端设备和第二终端设备直接可以直接通信，也可以通过其他设备的转发进行通信，本申请实施例对此不做具体限定。
一种可能的实现方式中，第二终端设备接收第二终端设备的位置信息之后，向第一终端设备发送第二终端设备的位置信息，其中，第二终端设备的位置信息是根据目标定位时间确定的。第一终端设备接收第二终端设备的位置信息；以及，第一终端设备可以获取第二终端设备与第一终端设备之间的相对位置信息，其中，该相对位置信息是根据目标定位时间确定的。进而，第一终端设备可以根据第二终端设备的位置信息和上述相对位置信息，确定第一终端设备的位置信息。该方案的具体实现过程及其技术效果将在后续方法实施例中描述，在此不予赘述。
另一种可能的实现方式中，第二终端设备接收第二终端设备的位置信息；以及，第二终端设备获取第二终端设备与第一终端设备之间的相对位置信息，其中，第二终端设备的位置信息以及第二终端设备与第一终端设备之间的相对位置信息均是根据目标定位时间确定的。进而，第二终端设备可以根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。该方案的具体实现过程及其技术效果将在后续方法实施例中描述，在此不予赘述。
需要说明的是，本申请实施例提供的通信系统可以适用于上述各种通信系统。以5G移动通信系统为例，上述移动性管理功能网元所对应的网元或者实体可以为该5G 移动通信系统中的接入和移动性管理功能(access and mobility management function，AMF)网元，第一位置管理功能网元或第二位置管理功能网元可以该5G移动通信系统中的LMF网元，本申请实施例对此不作具体限定。
首先，本申请实施例先对所涉及的核心网设备的功能实体进行描述。其中，核心网设备的功能实体可以包括接入管理网元、位置管理网元、数据管理网元、网络开发网元、应用网元、网关定位网元、位置检索网元。以下分别介绍各个功能实体的功能。其中：
接入管理网元，用于实现终端设备的接入管理和移动性管理。例如，负责终端设备的状态维护，终端设备的可达性管理，非移动性管理(mobility management，MM)的非接入层(non-access-stratum，NAS)消息的转发，会话管理(session management，SM)N2消息的转发等。接入管理网元可以为5G通信系统中的接入和移动性管理功能(access and mobility management function，AMF)网元。
位置管理网元，主要用于对终端设备的定位服务请求进行管理和控制。例如，可以通过LPP定位协议(LTE positioning protocol，LPP)向终端设备下发定位相关的辅助信息。位置管理网元可以是5G通信系统中的LMF网元。
数据管理网元，用于实现用户签约的上下文管理。例如，存储终端设备的签约信息。数据管理网元可以称为5G通信系统中的统一数据管理(unified data management，UDM)网元。
网络开放网元，以北向API接口的方式向第三方开放网络功能。网络开放网元可以为5G通信系统中的网络开放功能(network exposure function，NEF)网元。
应用网元，可以是第三方的应用控制平台，也可以是运营商自己的设备。应用网元用于实现应用管理，可以为多个应用服务器提供服务。应用网元可以为5G通信系统中的应用功能(application function，AF)网元。
网关定位网元，用于为移动位置业务或移动终端的客户端提供接入和管理。网关定位网元可以是5G通信系统中网关移动定位中心(Gateway Mobile Location Centre,GMLC)网元。
位置检索网元，主要用于负责检索或验证位置信息。位置检索网元可以是5G通信系统中的位置检索功能(location retrieval function，LRF)网元。
需要说明的是，本申请实施例将AMF、UDM等称为网元仅为一种示意。实际中，网元可以是在专用硬件上实现的网络元件，也可以是在专用硬件上运行的软件实例，或者是在适当平台上虚拟化功能的实例，例如，上述虚拟化平台可以为云平台。在未来通信系统中，以上网元可以有其它的名称，本申请不做限定。
示例性的，图3为本申请实施例的一种获取位置信息的方法在5G移动通信系统中的应用架构示意图。其中，该通信系统包括终端设备、接入网(access network，AN)和核心网(core network，CN)。
其中，AN用于实现接入有关的功能，可以为特定区域的授权用户提供入网功能，并能够根据用户的级别，业务的需求等确定不同质量的传输链路以传输用户数据。AN在终端与CN之间转发控制信号和用户数据。AN可以包括：接入网设备，也可以称为无线接入网设备(radio access network，RAN)设备。CN主要负责维护移动网络的签 约数据，为终端提供会话管理、移动性管理、策略管理以及安全认证等功能。CN主要包括如下网元：LMF网元、AMF网元、UDM网元、GMLC网元、NEF网元、以及AF网元。
如图3所示，终端设备通过RAN设备接入5G网络，终端设备通过N1接口(简称N1)与AMF网元通信，RAN设备通过N2接口(简称N2)与AMF网元通信，AMF网元通过NL1接口(简称NL1)与LMF网元通信，AMF网元通过NL2接口(简称NL2)与GMLC网元通信，AMF网元通过N51接口(简称N51)与NEF网元通信，AMF网元通过N8接口(简称N8)与UDM网元通信，LMF网元之间通过NL7接口(简称NL7)通信，UDM网元通过N52接口(简称N52)与NEF网元通信，UDM网元通过NL6接口(简称NL6)与GMLC网元通信，NEF网元通过NL5接口(简称NL5)与GMLC网元通信，NEF网元通过N33接口(简称N33)与AF网元通信，GMLC网元通过Le接口(简称Le)与位置定位业务(location services，LCS)客户端/服务器(Client)(简称定位服务器)通信，LRF网元通过Le接口与LCS客户端通信。
其中，RAN设备可以是为终端设备提供接入的设备。例如，RAN设备可以包括：下一代移动通信系统，例如6G的接入网设备，例如6G基站，或者在下一代移动通信系统中，该网络设备也可以有其他命名方式，其均涵盖在本申请实施例的保护范围以内，本申请对此不做任何限定。或者，RAN设备也可以包括5G，如NR系统中的gNB，或，5G中的基站的一个或一组(包括多个天线面板)天线面板，或者，还可以为构成gNB、传输点(transmission and reception point，TRP或者transmission point，TP)或传输测量功能(transmission measurement function，TMF)的网络节点，如基带单元(building base band unit，BBU)，或，集中单元(centralized unit，CU)或分布单元(distributed unit，DU)、具有基站功能的RSU，或者有线接入网关，或者5G的核心网网元。或者，RAN设备还可以包括WiFi系统中的接入点(access point，AP)，无线中继节点、无线回传节点、各种形式的宏基站、微基站(也称为小站)、中继站、接入点、可穿戴设备、车载设备等等。
本申请实施例中的终端设备可以为具有收发功能的终端，或为可设置于该终端的芯片或芯片系统。该终端也可以称为用户装置(uesr equipment，UE)、用户设备、接入终端、用户单元(subscriber unit)、用户站、移动站(mobile station，MS)、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。本申请的实施例中的终端可以是手机(mobile phone)、蜂窝电话(cellular phone)、智能电话(smart phone)、平板电脑(Pad)、无线数据卡、个人数字助理电脑(personal digital assistant，PDA)、无线调制解调器(modem)、手持设备(handset)、膝上型电脑(laptop computer)、机器类型通信(machine type communication，MTC)终端、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端、增强现实(augmented reality，AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、车载终端、具有终端功能的路 边单元(road side unit，RSU)等。本申请的终端还可以是作为一个或多个部件或者单元而内置于车辆的车载模块、车载模组、车载部件、车载芯片或者车载单元。
AMF网元主要用于移动网络中的移动性管理。例如用户位置更新、用户注册网络、用户切换等。
LMF网元主要用于对终端设备的定位服务请求进行管理和控制。例如，LMF网元可以通过LPP定位协议(LTE positioning protocol，LPP)向终端设备下发定位相关的辅助信息，LMF网元和RAN之间通过NR定位协议A(NR positioning protocol A，NRPPa)进行控制定位测量。
UDM网元主要用于存储用户数据，例如签约数据、鉴权/授权数据等。
NEF网元主要用于支持能力和事件的开放。
GMLC网元主要用于为移动位置业务或移动终端的客户端提供接入和管理。例如，GMLC对LCS Client发起的请求进行注册或鉴权后，将请求转发给该移动用户当前服务的AMF网元等。
LRF网元主要用于负责检索或验证位置信息。
AF主要支持与CN交互来提供服务，例如影响数据路由决策、策略控制功能或者向网络侧提供第三方的一些服务。
LCS Client主要是为了获取移动终端设备的位置信息而与整个位置服务体系LCS的相关网元进行交互的功能实体。LCS Client可以是移动网内的某个应用实体，也可以在移动网外部，通过网络接入移动位置服务体系。一般情况下，LCS Client是移动运营商或第三方提供的位置应用。
应理解，上述图1-图3所示的通信系统中包括的设备或功能节点只是示例性的描述，并不对本申请实施例构成限定，事实上，图1-图3所示的通信系统中还可以包含其他与图中示意的设备或功能节点具有交互关系的网元或设备或功能节点，这里不作具体限定。
为便于理解，下述通过方法实施例具体介绍上述系统中各网元之间的交互流程。本申请实施例提供的获取位置信息的方法可以适用于上述通信系统。在不同的场景下，可以通信系统中的不同设备/网元执行该获取位置信息的方法的不同流程，下面具体介绍。
示例性的，以本申请实施例提供的通信系统应用在5G移动通信系统中，第一终端设备为UE1，第一位置管理功能网元为LMF1，为第一终端设备服务的移动性管理功能网元为AMF1，为第一终端设备服务的网关移动定位中心为GMLC1，第二终端设备为UE2，第二位置管理功能网元为LMF2，为第一终端设备服务的移动性管理功能网元为AMF2，为第二终端设备服务的网关移动定位中心为GMLC2为例。
图4为本申请实施例提供的一种获取位置信息的方法的流程示意图一。该获取位置信息的方法可以由图3示出的LCS客户端发起对UE1的定位，LMF1确定UE1的位置信息。
如图4所示，该获取位置信息的方法包括如下步骤：
S401、LCS客户端向GMLC1发送LCS服务请求。相应的，GMLC1接收来自LCS客户端的LCS服务请求。
其中，LCS服务请求(LCS service Request)用于请求获取UE1的位置。该LCS服务请求可以携带有LCS客户端的标识和UE1的标识。该UE1的标识可以是通用公共用户标识(generic public subscription identity，GPSI)，也可以是用户永久标识(subscription permanent identifier，SUPI)。
可选地，LCS服务请求还可以携带有LCS服务质量(quality of service，QoS)信息和预设定位信息。其中，LCS QoS可以是UE1的定位精度(accuracy)，表示对UE1的定位准确率或是定位精度要求。预设定位信息可以包括预设定位时间(scheduled location time)、时间间隔(time interval)、或响应时间(Response time)中的一个或多个。其中，预设定位时间可以用于指示对UE1进行定位测量的时刻或获取UE1位置的时间，时间间隔可以用于指示对UE1进行定位测量的时间间隔或获取UE1位置的时间间隔，响应时间可以用于指示对UE1的定位信息的回复时间。
为便于说明，本申请实施例中用TS表示预设定位时间，ΔT表示时间间隔，TR表示响应时间，TD表示下述目标定位时间。
S402、GMLC1获取AMF1的地址。
示例性的，GMLC1在接收到LCS服务请求后，可以根据UE1的标识向UDM请求获取当前服务UE1的AMF的地址，即AMF1的地址，从而GMLC1可以根据该AMF1的地址执行后续定位流程。
值得说明的是，GMLC1还可以从UDM处获取LCS隐私配置文件(LCS privacy profile)，GMLC1可以根据LCS隐私配置文件，确认发起LCS服务请求的LCS客户端，是否被授权获取UE1的位置。例如，GMLC1确认该LCS客户端被授权，可以接受LCS服务请求并执行后续流程。又例如，GMLC1确认该LCS客户端未被授权，可以拒绝LCS服务请求，不接受其对UE1的位置的获取。
S403、GMLC1向AMF1发送第一提供位置请求。相应的，AMF1接收来自GMLC1的第一提供位置请求。
示例性的，GMLC1可以根据步骤S402中得到的AMF1的地址，向AMF1发送第一提供位置请求(Namf_Location_ProvidePositioningInfo_Request)，第一提供位置请求用于请求AMF1提供UE1的位置信息。其中，第一提供位置请求可以携带有UE1的标识。
可选地，第一提供位置请求还可以携带有UE1的定位精度(accuracy)和预设定位信息。
S404、AMF1对UE1发起业务请求流程。
若UE1处于空闲态，则AMF1会发起业务请求流程，用于完成与UE1之间的信令连接。具体地连接建立流程可以参考现有实现方式，此处不再赘述。
可以理解的是，S404为可选步骤，例如UE1处于连接态时，S404可以不用执行。
S405、AMF1选择LMF1。
示例性的，AMF1可以根据UE1的标识选择为UE1服务的LMF1，用于完成对UE1的位置的计算。
S406、AMF1向LMF1发送第一确定位置请求。相应的，LMF1接收来自AMF1的第一确定位置请求。
其中，第一确定位置请求(Nlmf_Location_DetermineLocation)用于请求LMF1确定UE1的位置信息。该第一确定位置请求可以携带有UE1的标识和。
可选地，第一确定位置请求还可以携带有UE1的定位精度(accuracy)和预设定位信息。
S407、LMF1确定对UE1进行Uu与侧行链路混合定位。
值得说明的是，UE1的定位方式可以包括Uu定位、sidelink定位和Uu与sidelink混合定位。其中，Uu与sidelink混合定位表示结合Uu定位和sidelink定位两种定位方式，实现对UE1的定位。Uu与sidelink混合定位的过程可以参见后续定位过程，如下述S408-S422。
一种可能的设计方案中，LMF1可以发起对UE1的定位，根据从UE1获取的定位测量数据确定定位方式。示例性的，UE1可以根据周围小区发送的PRS进行定位测量，并将获取的UE1的定位测量数据发送给LMF1，LMF1根据接收到UE1的定位测量数据计算UE1的位置信息。若LMF1计算得到UE1的位置信息不满足LCS QoS(如UE1的定位精度)，或者是测量的小区数目不够导致计算得到UE1的位置信息不准确，则LMF1可以对UE1进行Uu与sidelink混合定位。
其中，UE1的定位测量数据可以包括小区标识(如全球小区标识，cell global identifier)、每个小区的下行链路参考信号接收功率、UE1距离每个小区的无线电波或PRS传输时间、UE1与每个小区基站之间往返信号时间差等。
又一种可能的设计方案中，LMF1可以根据UE1的签约信息和/或能力信息，确定定位方式。其中，UE1的签约信息可以是UE1是否被允许sidelink定位和/或Uu定位，能力信息可以是UE1是否支持sidelink定位和/或Uu定位。例如，若UE1被允许sidelink定位和Uu定位，且UE1支持sidelink定位和Uu定位，则LMF1可以对UE1进行Uu与sidelink混合定位。又例如，若UE1被允许sidelink定位和Uu定位，则LMF1可以对UE1进行Uu与sidelink混合定位。再例如，若UE1支持sidelink定位和Uu定位，则LMF1可以对UE1进行Uu与sidelink混合定位。
S408、LMF1向UE1发送获取辅助UE请求。相应的，UE1接收来自LMF1的获取辅助UE请求。
其中，该获取辅助UE请求可以携带有定位方式(如Uu与sidelink混合定位方式)，UE1可以根据确定的定位方式确定辅助UE，该辅助UE可以用于辅助UE1定位。
一种可能的设计方案中,S408可以替换为LMF1通知UE1采用Uu与sidelink混合定位方式。
S409、UE1执行辅助UE发现流程。
示例性的，UE1在收到获取辅助UE请求或收到定位方式通知后，可以根据确定的定位方式确定辅助UE，该辅助UE可以用于辅助UE1定位，确定的辅助UE即为UE2。
S410、UE1向LMF1发送UE2的标识。相应的，LMF1接收来自UE1的UE2的标识。
示例性的，该UE2的标识可以携带在上述S408对应的获取辅助UE响应或通知 响应中。该UE2的标识可以是GPSI，也可以是用户隐藏标识(subscription concealed identifier，SUCI)。
S411、LMF1获取目标定位时间。
其中，目标定位时间用于确定UE2的位置信息和UE1与UE2之间的相对位置信息。该目标定位时间可以是一个或多个用于定位测量的时间点，也可以是时间点和时间间隔组成的一个或多个时间段。
一种可能的设计方案中，若S406中LMF1接收的第一确定位置请求中携带有预设定位信息，LMF1可以根据预设定位信息确定目标定位时间。
例如，预设定位信息可以包括预设定位时间TS，LMF1可以将该预设定位时间TS确定为目标定位时间，此时目标定位时间可以是指一个时间点，即TD＝TS。
又例如，预设定位信息可以包括预定定位时间TS和时间间隔ΔT，LMF1可以根据预定定位时间TS和时间间隔ΔT确定目标定位时间，如，TD＝TS+n·ΔT；其中，n大于或者等于1。此时，目标定位时间可以表示为一个时间点和一个或多个时间间隔组成的一个或多个时间段，该时间点可以用于指示测量的起始时间，时间间隔可以用于指示测量的周期。
又例如，预设定位信息可以包括响应时间TR，LMF1可以设定目标定位时间是在响应时间之前的一个时间点，或者是一个或多个时间段。
还例如，预设定位信息可以包括预定定位时间TS、时间间隔ΔT和响应时间TR，LMF1可以设定目标定位时间为TD＝TS+n·ΔT，且TD的时间长度小于TR的时间长度。此时，n可以等于0，n等于0时，即TD＝TS。换言之，目标定位时间可以是在响应时间之前的一个时间点，也可以是一个或多个时间段。
由上述可知，目标定位时间可以与预设定位时间相同，也可以与预设定位时间不同。
另一种可能的设计方案中，若S406中LMF1接收的第一确定位置请求中未携带有预设定位信息，LMF1可以本地配置目标定位时间。该目标定位时间的类型与上述设计方案中确定的目标定位时间的类似。换言之，LMF1可以本地配置的目标定位时间也可以是时间点或时间段。
又一种可能的设计方案中，LMF1可以接收来自UE1的目标定位时间，该目标定位时间也可以是一个时间点，或是一个或多个时间段，与上述确定的目标定位时间的类型类似。目标定位时间可以是预设定位时间(scheduled location time)。若目标定位时间从UE1获取，则可以不执行下述S418。其中，UE1获取目标定位时间的具体过程可以参照下述图7示出的方法实施例，此处不再赘述。
可选地，若S406中LMF1接收的第一确定位置请求中携带有UE1的定位精度(accuracy)。LMF1可以根据该UE1的定位精度确定UE2的定位精度和sidelink定位精度。其中，UE2的定位精度表示对UE2定位的精度要求，可以用accuracy1表示，sidelink定位精度表示对sidelink定位的精度要求，可以用accuracy2表示。
S412、LMF1向GMLC2发送定位服务请求。相应的，GMLC2接收来自LMF1的定位服务请求。
其中，定位服务请求用于请求获取UE2的位置信息。该定位服务请求可以携带有 目标定位时间，该目标定位时间用于确定UE2的位置信息。例如，定位服务请求可以是Ngmlc_Location_ProvideLocation Request。UE2的位置信息可以是UE2的绝对位置。此时，LMF1可以作为一个LCS客户端，发起对UE2的定位。值得说明的是，LMF1与GMLC2可以通过特定接口通信。
可以理解的是，定位服务请求还携带有UE2的标识和LMF1的标识。
可选地，该定位服务请求还可以携带有UE2的定位精度(accuracy1)。
S413、GMLC2向AMF2发送第二提供位置请求。相应的，AMF2接收来自GMLC2的第二提供位置请求。
其中，第二提供位置请求携带有目标定位时间、UE2的标识和GMLC2的标识。该第二提供位置请求用于请求AMF2提供UE2的位置信息。
可选地，第二提供位置请求还可以携带有UE2的定位精度(accuracy1)。
一种可能的设计方案中，上述S412和S413可以替换为：LMF1向AMF2发送定位服务请求。此时，该定位服务请求可以携带有目标定位时间、LMF1的标识和UE2的标识。可选地，该定位服务请求还可以携带有UE2的定位精度(accuracy1)。
S414、AMF2向LMF2发送第二确定位置请求。相应的，LMF2接收来自AMF2的第二确定位置请求。
其中，第二确定位置请求用于请求LMF2确定UE2的位置信息。该第二确定位置请求携带有目标定位时间、UE2的标识和AMF2的标识。
值得说明的是，LMF1发起对UE2的定位流程，如执行上述S412-S414的过程中，也会执行GMLC2获取AMF2的地址、确认LMF2是否授权、AMF2选择LMF2等过程，具体可以参考上述LCS客户端发起对UE1的定位流程中S401-S406的描述，此处不再赘述。
S415、LMF2发起对UE2的定位。
示例性的，LMF2向UE2发送目标定位时间，UE2根据目标定位时间进行小区信号测量(如PRS测量)，并将测量得到的UE2的定位测量数据上报给LMF2，LMF2根据上报的UE2的定位测量数据，计算UE2的位置信息。其中，UE2的定位测量数据可以包括小区标识(如全球小区标识)、每个小区的下行链路参考信号接收功率、UE2距离每个小区的无线电波或PRS传输时间、UE2与每个小区基站之间往返信号时间差。
一种可能的设计方案中，目标定位时间可以是时间点，此时目标定位时间可以称为目标定位时间点，UE2可以在该目标定位时间点或在该目标定位时间点之前进行小区测量。
示例性的，目标定位时间TD＝TS。UE2可以在到达该目标定位时间点时，进行小区信号测量，并将测量得到的UE2的定位测量数据上报给LMF2。又例如，UE2可以根据测量所需要花费的时间确定一个提前时间，如设定的提前时间为Δt，UE2则可以在TD-Δt时刻进行小区测量，并将测量得到的UE2的定位测量数据上报给LMF2。值得说明的是，UE2可以根据设定的提前时间，可以在目标定位时间点之前上报UE2的定位测量数据，也可以在目标定位时间点上报UE2的定位测量数据，还可以在目标定位时间点之后上报UE2的定位测量数据，对此不做限定。
又一种可能的设计方案中，目标定位时间可以是时间点+时间间隔的形式。
示例性的，目标定位时间TD＝TS+n·ΔT。若n＝3，可以理解为UE2需要周期上报定位测量数据的次数。具体地，UE2可以在TS时间点开始进行小区信号测量，并在ΔT时间内完成测量并上报UE2的定位测量数据，在TS+ΔT时间点进行第二次小区信号测量，也在ΔT时间内完成测量并上报UE2的定位测量数据，在TS+2ΔT时间点进行第三次小区信号测量，也在ΔT时间内完成测量并上报UE2的定位测量数据，最后在TS+3ΔT时间点结束小区测量。
可以理解的是，可以周期性测量的情形下，UE2也可以在目标定位时间之前进行小区信号测量。类似的，提前时间为Δt，如UE2可以在TS -Δt、TS+ΔT-Δt、TS+2ΔT-Δt时间点进行小区信号测量，对应的，UE2可以在TS、TS+ΔT、TS+2ΔT时间点，或在TS、TS+ΔT、TS+2ΔT之前，或在TS、TS+ΔT、TS+2ΔT之后上报UE2的定位测量数据。
可选地，UE2还可以向LMF2发送时间戳。该时间戳可以用于指示定位测量数据测量的时间，也可以用于指示定位测量数据上报的时间。可以理解的是，该时间戳可以包括在UE2的位置信息中。例如，在TS–Δt测量的UE2的定位测量数据，可以用一个时间戳指示。
进一步地，LMF2可以根据计算得到UE2的位置信息，确定当前测量得到UE2的定位精度(所实现的UE2的定位精度)。
S416、LMF2向AMF2发送第二确定位置响应。相应的，AMF2接收来自LMF2的第二确定位置响应。
其中，第二确定位置响应携带有UE2的位置信息和所测量得到的UE2的定位精度。
S417、AMF2向LMF1发送定位服务响应。
其中，定位服务响应携带有UE2的位置信息和所测量得到的UE2的定位精度。
对应地，LMF1接收来自AMF2定位服务响应，从而获取得到UE2的位置信息和所测量得到的UE2的定位精度。
进一步地，若LMF1获取得到UE2的位置信息，其对应的定位精度(所测量得到的UE2的定位精度)不满足S411确定的UE2的定位精度(accuracy1)，则LMF1可以重新执行上述S408-S417，即重新选择辅助UE，获取重新选择的辅助UE的位置信息。
一种可能的设计方案中，上述S416和S417可以替换为：LMF2计算得到UE2的位置信息后，可以再发送给UE2，UE2将UE2的位置信息发送给UE1，再由UE1发送给LMF1。
一种可能的设计方案中，上述S417可以替换为：LMF2计算得到UE2的位置信息后，可以再发送给GMLC2，GMLC2将UE2的位置信息发送给LMF1。
S418、LMF1向UE1发送目标定位时间。相应的，UE1接收来自LMF1的目标定位时间。
其中，该目标定位时间可以携带在下行定位消息(DL positioning message)或LCS周期触发调用请求消息(LCS Period-triggered invoke request message)中。
可选地，下行定位消息或LCS周期触发调用请求消息还可以携带有sidelink定位精度(accuracy2)。
值得说明的是，本申请实施例中对LMF1向UE2发送目标定位时间(如步骤S412-S415)，与LMF1向UE1发送目标定时时间(如步骤S418)的执行顺序不做限定，LMF1可以分别向UE1、UE2发送目标定位时间，也可以先向UE1发送目标定位时间，也可以先向UE2发送目标定位时间，如执行S412与S418的先后顺序不做限定。
S419、UE1向UE2发送目标定位时间。相应的，UE2接收来自UE1的目标定位时间。
示例性的，UE1可以通过侧行链路(sidelink)向UE2发送目标定位时间。
可选地，UE1还向UE2发送sidelink定位精度(accuracy2)。
可以理解的是，S419为可选步骤。例如，目标定位时间由UE2确定时，可以不执行S409。
S420、UE1和UE2根据目标定位时间确定UE1与UE2之间的相对位置信息。
其中，相对位置信息可以是UE1与UE2之间的相对距离信息，也可以是UE1与UE2之间的相对角度信息。
一种可能的设计方案中，S420可以包括如下步骤1-1至步骤1-2：
步骤1-1、UE1根据目标定位时间向UE2发送的测量信号。相应的，UE2接收来自UE1的测量信号。
示例性的，图5示出了UE1与UE2之间测量相对距离的结构示意图，如图5中的(a)所示，UE1作为测距信号发送端，UE2作为测距信号接收端。此时测量信号可以为测距信号。
又示例性的，图6示出了UE1与UE2之间测量相对角度的结构示意图，如图6中的(b)示出的是离开角(angel of depature，AoD)，UE1作为测角信号的发送端，UE2作为测角信号的接收端，UE2可以根据接收测角信号的方向与参考信号的方向确定UE2与UE1之间的相对角度。此时测量信号可以为测角信号。
一种可能的设计方案中，目标定位时间可以是目标定位时间点。
例如，UE1可以在目标定位时间点向UE2发送测距信号或测角信号，也可以在目标定位时间点之前向UE2发送测距信号或测角信号。其中，在目标定位时间点之前发送测距信号或测角信号，UE1可以设定一个提前时间值，例如，目标定位时间TD＝TS，提前时间为Δt，UE1可以在TS-Δt时间点向UE2发送测距信号或测角信号。
又一种可能的设计方案中，目标定位时间可以是时间点+时间间隔的形式。
示例性的，目标定位时间TD＝TS+n·ΔT，n＝3。如图5中的(a)所示，UE1可以在TS时间点发送测距信号，在ΔT时间内接收反馈测距信号进行第一次测距计算，并上报相对距离信息，在TS+ΔT时间点再次发送测距信号，在ΔT时间内接收反馈测距信号进行第二次测距计算，并上报相对距离信息，在TS+2ΔT时间点再次发送测距信号，在ΔT时间内接收反馈测距信号进行第三次测距计算，并上报相对距离信息，最后可以在TS+3ΔT时间点结束测距计算。
类似的，在周期性测量的情形下，UE1也可以提前发送测距信号，如提前时间为Δt，可以在TS-Δt、TS+ΔT-Δt、TS+2ΔT-Δt时间点发送测距信号，对应的，UE1可 以在TS、TS+ΔT、TS+2ΔT时间点，或在TS、TS+ΔT、TS+2ΔT之前，或在TS、TS+ΔT、TS+2ΔT之后上报相对距离信息。
又示例性的，目标定位时间TD＝TS+n·ΔT，n＝3。如图6中的(b)所示，UE1可以在TS时间点发送测角信号，在TS+ΔT时间点再次发送测角信号，在TS+2ΔT时间点又再次发送测角信号，最后可以在TS+3ΔT时间点结束发送测角信号。
类似的，在周期性发送测角信号的情形下，UE1也可以提前发送，如提前时间为Δt，可以在TS-Δt、TS+ΔT-Δt、TS+2ΔT-Δt时间点发送测角信号。
步骤1-2、UE1根据测量信号获取相对位置信息。
一种可能的设计方案中，UE1根据测量信号确定相对位置信息。
示例性的，如图5中的(a)所示，UE1向UE2发送测距信号后，接收来自UE2的反馈测距信号，UE1可以根据发送测距信号和接收反馈测距信号之间的时间差来计算UE1与UE2之间的相对距离。具体计算过程可以参照现有实现方式，对此不做赘述。
一种可能的设计方案中，UE1接收来自UE2的相对位置信息。
示例性的，如图6中的(b)所示，UE1发送测角信号后，可以接收来自UE2计算的相对角度，UE2可以根据接收测角信号的方向与参考信号的方向确定UE2与UE1之间的相对角度。
又一种可能的设计方案中，S420可以包括如下步骤2-1至步骤2-3：
步骤2-1、UE1根据目标定位时间向UE2发送定位请求。相应的，UE2接收来自UE1的定位请求。
示例性的，UE1可以在目标定位时间或在目标定位时间之前发送定位请求，该定位请求用于请求定位UE1与UE2之间的相对位置。根据目标定位时间发送定位请求的具体过程可以参照上述发送测量信号的过程，此处不再赘述。
步骤2-2、UE1接收来自UE2的测量信号。相应的，UE2向UE1发送测量信号。
对应的，UE2收到定位请求后，向UE1发送测量信号。该测量信号可以是测距信号，也可以是测角信号，具体可以参见上述步骤1-1或下述步骤3-1中相关描述。
步骤2-3、UE1根据测量信号获取相对位置信息。
步骤2-3的具体过程可以参见上述步骤1-2和下述步骤3-2中相关描述。
另一种可能的设计方案中，S420可以包括如下步骤3-1至步骤3-2：
步骤3-1、UE1根据目标定位时间接收来自UE2的测量信号。相应的，UE2向UE1发送测量信号。
如图5中的(b)所示，UE1作为测距信号接收端，UE2作为测距信号发送端。UE1根据目标定位时间接收来自UE2测量信号，此时测量信号为测距信号。
又如图6中的(a)示出的是到达角(angle of arrival，AoA)方式测角，UE1作为测角信号的接收端，UE2作为测角信号的发送端，此时，测量信号为测角信号。
一种可能的设计方案中，目标定位时间可以是目标定位时间点。
例如，UE1可以在目标定位时间或目标定位时间之前接收来自UE2的测距信号，UE2在接收在测距信号后，向UE2发送反馈测距信号。又例如，UE1可以在目标定位时间或目标定位时间之前接收来自UE2的测角信号。
其中，在目标定位时间点之前接收来自UE2的测距信号或测角信号，UE1可以设定一个提前时间值，例如，目标定位时间TD＝TS，提前时间为Δt，UE1可以在TS-Δt时间点接收来自UE2的测距信号或测角信号。
又一种可能的设计方案中，目标定位时间可以是时间点+时间间隔的形式。
示例性的，目标定位时间TD＝TS+n·ΔT，n＝3。如图5中的(b)所示，UE1可以在TS时间点接收来自UE2的测距信号，在ΔT时间内发送反馈测距信号，在TS+ΔT时间点再次接收来自UE2的测距信号，在ΔT时间内发送反馈测距信号，在TS+2ΔT时间点再次接收来自UE2的测距信号，在ΔT时间内再次发送反馈测距信号，最后可以在TS+3ΔT时间点结束发送反馈测距信号。
类似的，在周期性测量的情形下，UE1也可以提前接收测距信号，如提前时间为Δt，可以在TS-Δt、TS+ΔT-Δt、TS+2ΔT-Δt时间点接收测距信号，对应的，UE1可以在TS、TS+ΔT、TS+2ΔT时间点，或在TS、TS+ΔT、TS+2ΔT之前，或在TS、TS+ΔT、TS+2ΔT之后发送反馈测距信号。
又示例性的，目标定位时间TD＝TS+n·ΔT，n＝3。如图6中的(a)所示，UE1可以在TS时间点接收来自UE2的测角信号，在ΔT时间内计算并上报相对角度信息，在TS+ΔT时间点再次接收来自UE2的测角信号，在ΔT时间内计算并上报相对角度信息，在TS+2ΔT时间点再次接收来自UE2的测角信号，在ΔT时间内再次计算并上报相对角度信息，最后可以在TS+3ΔT时间点结束接收测角信号。
类似的，在周期性测量的情形下，UE1也可以提前接收测角信号，如提前时间为Δt，可以在TS-Δt、TS+ΔT-Δt、TS+2ΔT-Δt时间点接收测角信号，对应的，UE1可以在TS、TS+ΔT、TS+2ΔT时间点，或在TS、TS+ΔT、TS+2ΔT之前，或在TS、TS+ΔT、TS+2ΔT之后上报相对角度信息。
步骤3-2、UE1根据测量信号获取相对位置信息。
一种可能的设计方案中，UE1接收来自UE2的相对位置信息。相应的，UE2向UE1发送相对位置信息。
示例性的，UE1向UE2发送反馈测距信号后，UE2可以根据发送测距信号和接收反馈测距信号之间的时间差来计算UE1与UE2之间的相对距离信息。具体计算过程可以参照现有实现方式，对此不做赘述。
另一种可能的设计方案中，UE1根据测量信号确定相对位置信息。
示例性的，UE1可以根据接收测角信号的方向与参考信号的方向确定UE2与UE1之间的相对角度信息。
对应的，UE2也可以根据目标定位时间向UE1发送测量信号，或者是，UE2根据目标定位时间接收来自UE1的测量信号，具体可以参考上述UE1根据目标定位时间发送或接收测量信号的过程，对此不再赘述。
可选地，UE1或UE2可以根据sidelink定位精度(accuracy2)确定发送的测量信号的特征，测量信号的特征可以是带宽和方向。例如，UE1或UE2根据accuracy 2中方向精度确定发送或接收测量信号的波束方向(因为波束越细，方向越准)，或者根据accuracy 2中距离精度确定测量信号的发送带宽(因为信号带宽越大定位信号时隙越小，所计算出的距离越精准)。
可选地，UE1还可以根据目标定位时间确定PC5非连续接收(discontinuous reception，DRX)参数，UE1再基于PC5 DRX参数确定相对位置信息。该PC5 DRX参数包括DRX周期(DRX cycle)和接收(reception window length)，例如，DRX周期为1秒，接收窗口长度为500毫秒，该PC5 DRX参数可以表示每1秒内有500毫秒的时间在接收或发送数据。
具体地，UE1可以根据目标定位时间和时间间隔ΔT确定PC5 DRX1参数。示例性的，PC5 DRX的DRX周期可以是一个或多个时间间隔ΔT构成，若目标定位时间可以是时间点，如TD＝TS，则目标定位时间可以作为该DRX周期内的激活时间点，到达该激活时间点(目标定位时间)，UE1从休眠态变为激活态接收或发送数据。若目标定位时间是时间点+时间间隔构成的时间段，如TD＝TS+n·ΔT，则在设定的DRX周期内容，到达TS时间点UE1从休眠态变为激活态接收或发送数据，UE1在该TD时间段内均处于激活态，可以理解的是，DRX周期是大于TD的时间长度的。UE1基于PC5 DRX参数发送或接收测量信号，从而确定相对位置信息的具体过程，可以参考上述根据目标定位时间确定相对位置信息的过程，此处不再赘述。
S421、UE1向LMF1发送相对位置信息。相应的，LMF1接收来自UE1的相对位置信息。
其中，相对位置信息可以是UE1与UE2之间的相对距离信息，也可以是UE1与UE2之间的相对角度信息。本申请实施例中，相对距离信息可以是相对距离的结果，或相对距离的测量数据(例如，发送测距信号和接收反馈测距信号之间的时间差)。相对角度信息可以是相对角度的结果，或相对角度的测量数据(如接收测角信号的方向)。
应理解的是，若相对距离信息是相对距离的结果，那么UE1需要根据相对距离的测量数据计算相对距离的结果；若相对距离信息是相对距离的测量数据，那么UE1不需要对相对距离的测量数据进行计算处理。若相对角度信息是相对角度的结果，那么UE1需要根据相对角度的测量数据计算相对角度的结果；若相对角度信息是相对角度的测量数据，那么UE1不需要对相对角度的测量数据进行计算处理。
S422、LMF1根据UE2的位置信息和相对位置信息确定UE1的位置信息。
示例性的，LMF1基于S415获取的UE2的位置信息和基于S420获取的相对位置信息计算，得到UE1的位置信息。
可选地，LMF1还可以根据目标定位时间获取UE1的定位测量数据。具体可以参见S415中UE2的定位测量数据的获取过程，此处不再赘述。进一步地，LMF1可以基于利用目标定位时间获取的UE1的定位测量数据、UE2的位置信息和相对位置信息计算，得到UE1的位置信息。
S423、LMF1向AMF1发送第一确定位置响应。相应的，AMF1接收来自LMF1的第一确定位置响应。
其中，第一确定位置响应携带有UE1的位置信息。
S424、AMF1向GMLC1发送第一获取位置响应。相应的，GMLC1接收来自AMF1的第一获取位置响应。
其中，第一获取位置响应携带有UE1的位置信息。
S425、GMLC1向LCS客户端发送LCS服务响应。相应的，LCS客户端接收来自GMLC1的LCS服务响应。
其中，LCS服务响应携带有UE1的位置信息。
基于图4示出的获取位置信息的方法，可以由LCS客户端触发对UE1的定位，LMF1通过预约定位时间(目标定位时间)的方式，结合UE2对UE1进行定位测量，基于设定的目标定位时间，可以在同一时间或相同时间内测量得到UE2的位置信息，以及UE1和UE2之间的相对位置信息，LMF1再基于同步获取的UE2的位置信息，以及UE1和UE2之间的相对位置信息，计算得到UE1的位置信息，可以解决由于UE的移动性导致测量数据不够准确，从而造成UE定位不准确的问题，可以提高UE的定位精度以及准确度。
示例性的，图7为本申请实施例提供的一种获取位置信息的方法的流程示意图二。该获取位置信息的方法可以由UE1发起定位，LMF1确定UE1的位置信息。
如图7所示，该获取位置信息的方法包括如下步骤：
S701、UE1确定定位方式。
其中，定位方式可以包括Uu定位、sidelink定位和Uu与sidelink混合定位。示例性的，UE1可以根据测量小区个数确定定位方式。例如，测量小区个数不足，UE1可以确定或选择定位方式为Uu与sidelink混合定位。
可选地，S701可以替换为UE1确定需要辅助UE协助进行定位。
S702、UE1执行辅助UE发现流程。
示例性的，UE1发现并选择辅助UE，确定的辅助UE即为UE2，并获取UE2的标识，UE2的标识可以是GPSI，也可以是SUCI。
S703、UE1获取目标定位时间。
其中，目标定位时间可以是预设定位时间(scheduled location time)。
一种可能的设计方案中，UE1可以生成目标定位时间，例如UE1可以根据应用需求确定目标定位时间或者应用需求中包括目标定位时间。示例性的，UE1确定目标定位时间后，会向UE2发送确认请求，该确认请求用于请求UE2设定的目标定位时间是否合适。
另一种可能的设计方案中，UE1可以接收来自UE2的目标定位时间。换言之，UE1可以向UE2请求获取目标定位时间，UE2会向UE1提供目标定位时间。
又一种可能的设计方案中，UE1可以接收来自LMF1的目标定位时间。在此情况下，可以理解的是，下述S704-S706可以在S703之前执行，UE1无需再向LMF1发送目标定位时间。
类似地，目标定位时间可以是目标定位时间点，也可以是时间点+时间间隔的形式。具体可以参见上述S411中的相关描述，此处不在赘述。
S704、UE1向AMF1发送第一移动发起的位置请求(mobile originated location request，MO-LR)。相应的，AMF1接收来自UE1的第一MO-LR请求。
其中，第一MO-LR请求可以携带在上行非接入层(non-acess stratum，NAS)传输消息(UL NAS TRANSPORT message)中，该第一MO-LR请求中携带有目标定位时间、UE1的标识和UE2的标识。
可选地，第一MO-LR请求还可以携带有UE1的定位精度(accuracy)。
S705、AMF1选择LMF1。
具体地，S705可以参考上述S405的相关描述，此处不在赘述。
S706、AMF1向LMF1发送第三确定位置请求。相应的，LMF1接收来自AMF1的第三确定位置请求。
其中，第三确定位置请求用于请求LMF1确定UE1的位置信息，该第三确定位置请求携带有目标定位时间、UE1的标识和UE2的标识。
可选地，第三确定位置请求携带有UE1的定位精度(accuracy)。
可选地，S707、LMF1发起对UE1的定位。
具体地，S707可以参考上述S415中相关描述，此处不在赘述。
一种可能的情形中，若未执行上述S703，即UE1未确定目标定位时间，从而上述S704和S706中未携带有目标定位时间，则可以由LMF1根据上述S411生成目标定位时间，并在步骤S707中向UE1发送目标定位时间。进一步可选地，UE1可以向UE2发送目标定位时间，
S708、LMF1发起对UE2的定位。
具体地，S708可以参考上述S412-S417的具体内容，此处不在赘述。
S709、UE1和UE2根据目标定位时间确定UE1与UE2之间的相对位置信息。
其中，UE2可以基于上述S703或上述S707得到目标定位时间。
S710、UE1向LMF1发送相对位置信息。相应的，LMF1接收来自UE1的相对位置信息。
S711、LMF1根据UE2的位置信息和目标定位时间确定UE1的位置信息。
S709-S711的具体过程可以参考上述S420-S422，此处不在赘述。
S712、LMF1向AMF1发送第三确定位置响应。相应的，AMF1接收来自LMF1的第三确定位置响应。
其中，第三确定位置响应携带有UE1的位置信息。
S713、AMF1向UE1发送第一MO-LR响应。相应的，UE1接收来自AMF1的第一MO-LR响应。
其中，第一MO-LR响应携带有UE1的位置信息。
基于图7示出的获取位置信息的方法，可以由UE1自己触发定位，UE1与UE2协商确定目标定位时间，并基于设定的目标定位时间，可以在同一时间或相同时间内测量得到UE2的位置信息，以及UE1和UE2之间的相对位置信息，再由LMF1基于同步获取的UE2的位置信息，以及UE1和UE2之间的相对位置信息，计算得到UE1的位置信息，也可以解决由于UE的移动性导致测量数据不够准确，从而造成UE定位不准确的问题，可以提高UE的定位精度以及准确度。
示例性的，图8示出了本申请实施例提供的获取位置信息的方法的流程示意图三。该获取位置信息的方法可以在UE1无法连接到网络的情况下，UE1或UE2确定UE1的位置信息。
如图8所示，该获取位置信息的方法包括：
S801、UE1确定定位方式。
在UE1无法连接到网络的情况下，UE1无法与周围小区进行信号测量，可以确定定位方式采用Uu与sidelink混合定位。
可选地，S801可以替换为UE1确定需要辅助UE协助进行定位。
S802、UE1执行辅助UE发现流程。
S803、UE1获取目标定位时间。
一种可能的设计方案中，UE1可以生成目标定位时间，例如UE1可以根据应用需求确定目标定位时间或者应用需求中包括目标定位时间。UE1向UE2发送目标定位时间。示例性的，UE1确定目标定位时间后，会向UE2发送确认请求，该确认请求用于请求UE2设定的目标定位时间是否合适。
另一种可能的设计方案中，UE1可以接收来自UE2的目标定位时间。换言之，UE1可以向UE2请求获取目标定位时间，UE2会向UE1提供目标定位时间。
值得说明的是，与S703不同的是，UE1不可以从LMF1处获取目标定位时间。该目标定位时间可以是UE1和UE2协商得到的。目标定位时间的具体类型可以参考上述S411中的相关描述，此处不再赘述。
可以理解的是，UE2可以基于上述过程获得目标定位时间。
S804、UE2向AMF2发送第二MO-LR请求。相应的，AMF2接收来自UE2的第二MO-LR请求。
其中，第二MO-LR请求携带有目标定位时间和UE2的标识。示例性的，UE2可以在目标定位时间之前一定时间向AMF2发送第二MO-LR请求，从而可以在目标定位时间或目标定位时间之前完成UE2的定位测量。
可选地，第二MO-LR请求还可以携带有UE2的定位精度(accuracy1)。
可选地，UE2还可以根据UE1的定位精度(accuracy)确定UE2的定位精度(accuracy1)和sidelink定位精度(accuracy2)。
S805、AMF2选择LMF2。
S806、AMF2向LMF2发送第四确定位置请求。相应的，LMF2接收来自AMF2的第四确定位置请求。
其中，第四确定位置请求用于请求LMF2确定UE2的位置信息。该第四确定位置请求中携带有目标定位时间、UE2的标识。
可选地，第四确定位置还可以携带有UE2的定位精度(accuracy1)。
S807、LMF2发起对UE2的定位。
示例性的，LMF2接收到第四确定位置请求后，指示UE2进行定位测量，UE2根据目标定位时间进行小区测量，具体过程可以参照上述S415，此处不再赘述。
值得说明的是，S807完成后，LMF2将基于UE2的定位测量数据计算得到的UE2的位置信息发送给UE2。
S808、UE1和UE2根据目标定位时间确定相对位置信息。
S808的具体过程可以参照上述S402，此处不再赘述。
S809、UE2向UE1发送UE2的位置信息。相应的，UE1接收来自UE2的UE2的位置信息。
示例性的，UE2获得LMF2发送的UE2的位置信息后，可以将UE2的位置信息 发送给UE1，执行下述S810b。
可以理解的是，S809为可选步骤，当UE2计算UE1的位置信息时(如步骤S810a)，可以不执行S809，执行下述S810a。
S810a、UE2根据UE2的位置信息和相对位置信息确定UE1的位置信息。
示例性的，UE2基于S807获取的UE2的位置信息和S808获取的相对位置信息计算，得到UE1的位置信息。进一步地，S810a执行后，执行下述S811。
S810b、UE1根据UE2的位置信息和相对位置信息确定UE1的位置信息。
示例性的，UE1基于UE2发送的UE2的位置信息和S808获取的相对位置信息计算，得到UE1的位置信息。进一步地，S810b执行后，UE1也可以向UE2发送UE1的位置信息，相应的，UE2接收来自UE1的UE1的位置信息。
S811、UE2向UE1发送UE1的位置信息。相应的，UE1接收来自UE2的UE1的位置信息。
基于图8示出的获取位置信息的方法，考虑由于UE1的移动性导致无法连接到网络时，可以由作为辅助UE的UE2协助获取UE1的位置，UE1与UE2协商确定目标定位时间，并基于设定的目标定位时间，UE2可以主动触发LMF2进行定位得到UE2的位置信息，以及UE1与UE2之间的相对位置的测量，进而UE1或UE2可以根据在同一时间或相同时间内得到的UE2的位置信息和相对位置信息计算，得到UE1的位置信息，无需经过LMF1转发处理，也可以实现对UE1的准确定位。
以上结合图4-图8详细说明了本申请实施例提供的获取位置信息的方法在各种场景下的流程，是基于预设目标定位时间，结合Uu定位和sidelink定位实现的对UE1的定位，即获取相同时间测量得到UE2的位置信息和UE1与UE2之间的相对位置信息，得到准确的UE1的位置信息。以下结合图9-图11介绍该获取位置信息的方法的整体流程。
示例性的，图9示出了本申请实施例提供的获取位置信息的方法的流程示意图四。该获取位置信息的方法以通信设备作为执行主体为例进行说明，该通信设备可以是第一位置管理功能网元、第一终端设备或第二终端设备。其中，第一位置管理功能网元可以是上述LMF1，第一终端设备可以是上述UE1，第二终端设备可以是上述UE2。如图9所示，该获取位置信息的方法可以包括如下步骤：
S901、通信设备获取第二终端设备的位置信息。
其中，第二终端设备用于辅助第一终端设备定位，第二终端设备的位置信息是根据目标定位时间确定的，该目标定位时间由通信设备获取。
一种可能的设计方案中，通信设备可以是第一位置管理功能网元，该第一位置管理功能网元用于服务第一终端设备。
一种可能的设计方案中，第一位置管理功能网元可以接收来自定位服务器的预设定位信息，该预设定位信息可以包括：预设定位时间、时间间隔、响应时间中的一项或多项，并根据预设定位信息获取目标定位时间。其中，定位服务器可以是上述LCS客户端。又一种可能的设计方案中，第一位置管理功能网元可以接收来自第一终端设备的目标定位时间。
进一步地，第一位置管理功能网元可以向第一网关移动定位中心发送目标定位时 间，该第一网关移动定位中心用于服务第二终端设备，第一网关移动定位中心可以是上述GMLC2。或者，第一位置管理功能网元可以向第一移动性管理功能网元发送目标定位时间，该第一移动性管理功能网元用于服务第二终端设备，第一移动性管理功能网元可以是上述AMF2。第一位置管理功能网元可以通过第一网关移动定位中心或第一移动性管理功能网元向第二终端设备发送目标定位时间，从而第二终端设备可以基于目标定位时间进行小区测量，得到第二终端设备的定位测量数据，并将第二终端设备的定位测量数据发送到第二位置管理功能网元，由第二位置管理功能网元计算得到第二终端设备的位置信息。进而，第一位置管理功能网元可以从第二位置管理功能网元获取第二终端设备的位置信息。具体过程可以参照上述S411-S417和S703-S708中的相关内容，此处不再赘述。
另一种可能的设计方案中，通信设备可以是第一终端设备，第一终端设备可以本地获取目标定位时间，此时，第一终端设备可以向第二终端设备发送目标定位时间。又一种可能的设计方案中，第一终端设备也可以从第二终端设备处获取目标定位时间。进一步地，第二终端设备可以向第二位置管理功能网元发起定位请求，并根据目标定位时间进行小区测量，得到第二终端设备的定位测量数据后，将第二终端设备的定位测量数据发送给第二位置管理功能网元，由第二位置管理功能网元计算得到第二终端设备的位置信息。进而，第二终端设备可以从第二位置管理功能网元获取第二终端设备的位置信息，并向第一终端设备发送第二终端设备的位置信息。可选地，第二终端设备向第二位置管理功能网元发送目标定位时间。具体过程可以参照上述S803-S807中的相关内容，此处不再赘述。
又一种可能的设计方案中，通信设备可以是第二终端设备。第二终端设备可以本地获取目标定位时间，此时，第二终端设备可以向第一终端设备发送目标定位时间。又一种可能的设计方案中，第二终端设备也可以从第一终端设备处获取目标定位时间。进一步地，第二终端设备可以向第二位置管理功能网元发起定位请求，并根据目标定位时间进行小区测量，得到第二终端设备的定位测量数据后，将第二终端设备的定位测量数据发送给第二位置管理功能网元，由第二位置管理功能网元计算得到第二终端设备的位置信息。进而，第二终端设备可以从第二位置管理功能网元获取第二终端设备的位置信息。具体过程可以参照上述S803-S807中的相关内容，此处不再赘述。
S902、通信设备获取第二终端设备与第一终端设备之间的相对位置信息。
其中，相对位置信息是根据目标定位时间确定的。相对位置信息可以是相对距离信息，也可以是相对角度信息，本申请实施例对此不做具体限定。
一种可能的设计方案中，在通信设备为第一位置管理功能网元的场景下：
若第一位置管理功能网元可以本地获取目标定位时间，例如，第一位置管理功能网元未从终端设备或定位服务器获取得到目标定位时间，第一位置管理功能网元可以本地配置，生成目标定位时间，从而第一位置管理功能网元可以向第一终端设备发送目标定位时间，以及，第一终端设备向第二终端设备发送目标定位时间。其中，目标定位时间用于确定第二终端设备与第一终端设备之间的相对位置信息。
若第一位置管理功能网元从第一终端设备处获取目标定位时间，则第一终端设备和第二终端设备可以交互获取目标定位时间。其中，目标定位时间用于确定第二终端 设备与第一终端设备之间的相对位置信息。进一步地，第一终端设备或第二终端设备可以基于目标定位时间确定相对位置信息。第一终端设备或第二终端设备可以根据目标定位时间发送或接收测量信号，从而可以根据测量信号确定相对位置信息。一种可能的设计方案中，第一终端设备可以根据目标定位时间接收来自第二终端设备的测量信号，再根据测量信号获取相对位置信息。或者，第一终端设备可以根据目标定位时间向第二终端设备发送测量信号，再根据测量信号获取相对位置信息。又或者，第一终端设备可以根据目标定位时间向第二终端设备发送定位请求，第二终端设备可以根据定位请求向第一终端设备发送测量信号，第一终端设备再根据测量信号获取相对位置信息。从而第一位置管理功能网元可以接收来自第一终端设备的相对位置信息。
一种可能的设计方案中，在通信设备为第一终端设备或第二终端设备的场景下：
第一终端设备或第二终端设备本地获取目标定位时间后，第一终端设备和第二终端设备可以交互获取目标定位时间。
进一步地，一种可能的设计方案中，第一终端设备可以根据目标定位时间获取相对位置信息。示例性的，第一终端设备可以根据目标定位时间接收来自第二终端设备的测量信号，再根据测量信号获取相对位置信息。或者，第一终端设备可以根据目标定位时间向第二终端设备发送测量信号，再根据测量信号获取相对位置信息。又或者，第一终端设备可以根据目标定位时间向第二终端设备发送定位请求，第二终端设备可以根据定位请求向第一终端设备发送测量信号，第一终端设备再根据测量信号获取相对位置信息。
又一种可能的设计方案中，第二终端设备可以根据目标定位时间向第一终端设备发送测量信号。或者，第二终端设备根据目标定位时间接收来自第一终端设备的测量信号。
第一终端设备或第二终端设备可以基于目标定位时间发送或接收测量信号，获取相对位置信息。
其中，S902的具体实现过程可以参见上述S418-S421，或S709-S710，或S808中的相关内容，此处不再赘述。
S903、通信设备根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。
一种可能的设计方案中，在通信设备为第一位置管理功能网元的场景下：
第一位置管理功能网元接收来自第二位置管理功能网元的第二终端设备的位置信息，并接收来自第一终端设备的相对位置信息，基于第二终端设备的位置信息和相对位置信息计算，得到第一终端设备的位置信息。具体过程可以参照上述S421-S422，或S710-S711中的相关描述，此处不再赘述。
另一种可能的设计方案中，在通信设备为第一终端设备的场景下：
第一终端设备可以从第二终端设备获取第二终端设备的位置信息，该第二终端设备可以从第二位置管理功能网元处获取第二终端设备的位置信息，从而第一终端设备可以基于第二终端设备的位置信息和相对位置信息计算，得到第一终端设备的位置信息。可选地，第一终端设备可以接收来自第二终端设备的相对位置信息。具体可以参见上述S809和S810b中的相关描述，此处不再赘述。
又一种可能的设计方案中，在通信设备为第二终端设备的场景下：
第二终端设备可以从第二位置管理功能网元处获取第二终端设备的位置信息，从而可以基于第二终端设备的位置信息和相对位置信息计算，得到第一终端设备的位置信息。可选地，第二终端设备可以接收来自第一终端设备的相对位置信息。具体可以参见上述S810a中的相关描述，此处不再赘述。
示例性的，图10示出了本申请实施例提供的获取位置信息的方法的流程示意图五。该获取位置信息的方法以第一终端设备作为执行主体为例进行说明，第一终端设备可以是上述UE1。如图10所示，该获取位置信息的方法可以包括如下步骤：
S1001、第一终端设备获取目标定位时间。
其中，目标定位时间可以是一个或多个用于定位测量的时间点，也可以是时间点和时间间隔组成的一个或多个时间段。本申请实施例对此不做限定。
一种可能的设计方案中，第一终端设备可以接收来自第一位置管理功能网元的目标定位时间。该第一位置管理功能网元用于服务第一终端设备，第一位置管理功能网元可以是上述LMF1。在此场景下，第一终端设备还可以向第二终端设备发送目标定位时间。其中，第一终端接收目标定位时间、目标定位时间的具体内容过程可以参照上述S411和S418中的相关描述，此处不再赘述。
另一种可能的设计方案中，第一终端设备可以本地获取目标定位时间，例如第一终端设备可以根据应用需求确定目标定位时间或者应用需求中包括目标定位时间。在此场景下，第一终端设备还可以向第一位置管理功能网元发送目标定位时间。具体过程可以参照上述S703和S704中的相关描述，此处不再赘述。
又一种可能的设计方案中，第一终端设备可以接收来自第二终端设备的目标定位时间。该第二终端设备用于辅助第一终端设备定位，第二终端设备可以是上述UE2。在此场景下，第一终端设备也可以向第一位置管理功能网元发送目标定位时间。具体实现过程可以参照上述S703和S704中的相关描述，此处不再赘述。
S1002、第一终端设备根据目标定位时间获取第一终端设备与第二终端设备之间的相对位置信息。
一种可能的设计方案中，S1002可以包括如下步骤4-1和步骤4-2：
步骤4-1、第一终端设备根据目标定位时间接收来自第二终端设备的测量信号。
其中，测量信号可以是测距信号，也可以是测角信号，本申请实施例对此不做限定。
示例性的，第一终端设备可以在目标定位时间或目标定位时间之前，接收来自第二终端设备的测量信号。
步骤4-2、第一终端设备根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。
另一种可能的设计方案中，S1002可以包括如下步骤5-1和步骤5-3：
步骤5-1、第一终端设备根据目标定位时间向第二终端设备发送定位请求。
相应的，第二终端设备接收来自第一终端设备的定位请求。第一终端设备可以在目标定位时间或在目标定位时间之前，向第二终端设备发送定位请求。
步骤5-2、第一终端设备接收来自第二终端设备的测量信号。
示例性的，第二终端设备在收到定位请求后，基于该定位请求向第一终端设备发送测量信号。其中，测量信号可以是测距信号，也可以是测角信号，本申请实施例对此不做限定。
或者，步骤5-3、第一终端设备根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。
又一种可能的设计方案中，S1002可以包括如下步骤6-1和步骤6-3：
步骤6-1、第一终端设备根据目标定位时间向第二终端设备发送测量信号。
相应的，第二终端设备接收来自第一终端设备测量信息。第一终端设备也可以在目标定位时间或目标定位时间之前，向第二终端设备发送测量信号。
其中，测量信号可以是测距信号，也可以是测角信号，本申请实施例对此不做限定。
步骤6-2、第一终端设备根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。其中，相对位置信息是根据测量信号确定的。
或者，步骤6-3、第一终端设备接收来自第二终端设备的第二终端设备与第一终端设备之间的相对位置信息。
S1002可实现的三种设计方案的具体实现过程可以参照上述S420或S709或S808中的相关内容，此处不再赘述。
进一步地，第一终端设备获取到相对位置信息后，第一终端设备还可以接收来自第二终端设备的第二终端设备的位置信息。其中，第二终端设备的位置信息是根据目标定位时间确定的(可以参照上述S804-S807中的相关描述)。进而，第一终端设备可以根据相对位置信息和第二终端设备的位置信息，确定第一终端设备的位置信息。第一终端设备确定第一终端设备的位置信息的具体实现过程可以参照上述图8示出的方法实施例，如S808-S809和S810b中的相关内容。
基于图10示出的获取位置信息的方法，第一终端设备可以根据获取的目标定位时间，定时发送或接收测量信号，可以根据测量信号的收或发，确定第一终端设备与第二终端设备之间的相对位置信息，进而用于实现对第一终端设备的定位。
示例性的，图11示出了本申请实施例提供的获取位置信息的方法的流程示意图六。该获取位置信息的方法以第二终端设备作为执行主体为例进行说明，第二终端设备可以是上述UE2。如图11所示，该获取位置信息的方法可以包括如下步骤：
S1101、第二终端设备获取目标定位时间。
一种可能的设计方案中，第二终端设备可以本地获取目标定位时间。又一种可能的设计方案中，第二终端设备可以接收来自第一终端设备的目标定位时间，其中，第二终端设备用于辅助第一终端设备定位，第一终端设备可以是上述UE1。此外，S1101的具体实现过程可以参照上述S701或S803中的相关描述，此处不再赘述。
进一步地，基于上述两种可能的场景中，第二终端设备可以向第二位置管理功能发送目标定位时间，第二位置管理功能网元用于服务第二终端设备，可以是上述LMF2，目标定位时间用于确定第二终端设备的位置信息。具体实现过程可以参照上述S804-S807中的相关描述，此处不再赘述。
S1102a、第二终端设备根据目标定位时间向第一终端设备发送测量信号。
或者，S1102b、第二终端设备根据目标定位时间接收来自第一终端设备的测量信息。
其中，测量信号用于确定第一终端设备与第二终端设备之间的相对位置信息。测量信号可以是测距信号，也可以是测角信号，本申请实施例对此不做限定。
具体地，S1102a或S1102b的具体实现过程可以参照上述S420或S709或S808中的相关描述，此处不再赘述。
在一种可能的设计方案中，第二终端设备还可以接收来自第一终端设备的相对位置信息，并接收来自第二位置管理功能网元的第二终端设备的位置信息，该第二终端设备的位置信息是根据目标定位时间确定的，进而，第二终端设备可以根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息后，向第一终端设备发送第一终端设备的位置信息。
又一种可能的设计方案中，第二终端设备可以接收来自第二位置管理功能网元的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的，第二终端设备向第一终端设备发送第二终端设备的位置信息，其中，第二终端设备的位置信息用于确定第一终端设备的位置信息。
上述两种可能的具体实现过程可以参考上述S803-S811，此处不再赘述。
基于图11示出的获取位置信息的方法，第二终端设备也可以根据获取的目标定位时间，定时发送或接收测量信号，可以根据测量信号的收或发，确定第一终端设备与第二终端设备之间的相对位置信息，进而用于实现对第一终端设备的辅助定位。
基于上述图4-图11示出的获取位置信息的方法，通信设备可以利用第二终端设备辅助第一终端设备定位，基于相同的目标定位时间测量并确定第二终端设备的位置信息，以及第一终端设备与第二终端设备之间的相对位置信息，可以避免用于第一终端设备定位计算的数据不同步的问题，并利用同一时间或相同时间测量得到的第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息，可以解决由于终端设备的移动性造成终端设备定位不准确的问题，从而可以提高终端设备的定位精度和准确度。
另外，在UE接入移动基站中继(mobile base station relay)的场景下，由于移动基站中继的移动(位置不固定)，对于如何实现对接入移动基站中继的UE进行定位，本申请实施例还提供一种获取位置信息的方法。示例性的，以第一终端设备为UE1，第一位置管理功能网元为LMF1，为第一终端设备服务的移动性管理功能网元为AMF1，为第一终端设备服务的网关移动定位中心为GMLC1，移动中继设备为移动基站中继，为移动中继设备服务的网关移动定位中心为GMLC3，为移动中继设备服务的移动性管理功能网元为AMF3，为移动中继设备服务的第三位置管理功能网元为AMF3为例。移动基站中继可以是接入回传一体化(integrated access and backhaul，IAB)节点。移动基站中继可以作为基站为第一终端设备提供接入，还可以作为终端接入网络。
图12为本申请实施例提供的获取位置信息的方法的流程示意图七。如图12所示，该获取位置信息的方法包括如下步骤：
S1201、AMF1触发对UE1定位。
示例性的，AMF1可以从GMLC1接收定位请求，该定位请求可以是提供位置请 求，具体可以参照上述S401-S405的具体过程，此处不再赘述。AMF1也可以从UE1接收定位请求，该定位请求可以是MO-LR请求，具体可以参照上述S704和S705，此处不再赘述。
其中，AMF1接收的定位请求中可以携带有预约定位信息，该预约定位信息可以包括UE1的定位精度、预定定位时间、时间间隔、响应时间中的一项或多项。
进一步地，AMF1确认UE1接入的小区信息，该小区信息包括UE1通过移动基站中继接入，获取移动基站中继的标识和其他接入小区的标识。
S1202、AMF1向LMF1发送第五确定位置请求。相应的，LMF1接收来自AMF1的第五确定位置请求。
其中，第五确定位置请求用于请求LMF1确定UE1的位置信息，第五确定位置请求携带UE1的标识，如GPSI或SUPI。
可选地，该第五确认位置请求可以携带有UE1接入的移动基站中继的标识、其他接入小区的标识。其中，移动基站中继的标识是移动基站中继作为基站时的标识，如全球小区标识(cell global identifier)。
可选地，第五确认位置请求还可以携带有预约定位信息。
S1203、LMF1获取目标定位时间。
具体地，S1203可以参照上述S411中的相关描述，此处不再赘述。
S1204、LMF1发起对UE1的定位。
示例性的，LMF1可以向UE1发送目标定位时间，该目标定位时间可以携带在下行定位消息或LCS周期触发调用请求消息中。UE1可以根据目标定位时间进行小区测量，具体可以参见S415中的UE2进行小区测量的相关描述，从而得到UE1的定位测量数据，将该UE1的定位测量数据发送给LMF1。应理解，UE1可以根据目标定位时间获得UE1的定位测量数据。其中，UE1的定位测量数据可以包括UE1与移动基站中继之间测量得到的定位测量数据，以及UE1与其他接入小区之间测量得到的定位测量数据。
其中，UE1与移动基站中继之间测量得到的定位测量数据可以包括移动基站中继作为基站时的小区标识(如全球小区标识)、移动基站中继对应小区基站的下行链路参考信号接收功率、第一终端设备距离移动基站中继的无线电波或PRS传输时间、第一终端设备与移动基站中继对应小区基站之间往返信号时间差。
S1205、LMF1向GMLC3发送定位服务请求。相应的，GMLC3接收来自LMF1的定位服务请求。
该定位服务请求携带有目标定位时间、移动基站中继的标识。其中，移动基站中继的标识可以是移动基站中继作为终端时的标识，如SUPI或GPSI。
S1206、GMLC3向AMF3发送第三提供位置请求。相应的，AMF3接收来自GMLC3的第三提供位置请求。
该第三提供位置请求用于请求AMF3提供移动基站中继的位置信息，该第三提供位置请求中携带有目标定位时间和移动基站中继的标识。
上述S1205和S1206可以替换为：LMF1向AMF3发送定位服务请求，该定位服务请求可以携带有目标定位时间和移动基站中继的标识。其中，移动基站中继的标识 可以是移动基站中继作为终端时的标识，如SUPI或GPSI。LMF1可以从UDM根据移动基站中继的标识获得AMF3的标识。
S1207、AMF3向LMF3发送第六确定位置请求。相应的，LMF3接收来自AMF3的第六确定位置请求。
该第六确定位置请求用于请求LMF3确定移动基站中继的位置信息，该第六确定位置请求携带有目标定位时间和移动基站中继的标识。
S1208、LMF3发起对移动基站中继的定位。
示例性的，LMF3向移动基站中继发送目标定位时间，移动基站中继根据目标定位时间进行小区测量，具体过程可以参照上述S415中的UE2进行小区测量的相关描述，具体不再赘述，移动基站中继再将获得的移动基站中继的定位测量数据发送给LMF3，LMF3基于移动基站中继的定位测量数据计算，得到移动基站中继的位置信息。
S1209、LMF3向AMF3发送第六确定位置响应。相应的，AMF3接收来自LMF3的第六确定位置响应。
该第六确定位置响应携带有移动基站中继的位置信息。
S1210、AMF3向LMF1发送移动基站中继的位置信息。相应的，LMF1接收来自AMF3的移动基站中继的位置信息。
该移动基站中继的位置信息可以携带在定位服务响应中发送。
值得说明的是，对上述S1204与上述S1205-S1210之间没有先后执行顺序的限定，例如，S1204可以在S1205-S1210之前执行，也可以在S1205-S1210之后执行，也可以同时执行。
S1211、LMF1根据UE1的定位测量数据和移动基站中继的位置信息，确定UE1的位置信息。
示例性的，LMF1基于S1204得到的UE1的定位测量数据和和基于S1208得到的移动基站中继的位置信息计算，得到UE1的位置信息。
值得说明的是，UE1的定位测量数据可以由测量的小区和移动基站中继上报得到，也可以由UE1上报得到。应理解，UE1的定位测量数据中包括UE1与移动基站中继之间的定位测量数据，再结合移动基站中继的位置信息，进而LMF1可以计算出UE1的位置信息。
上述图12示出了本申请实施例提供的另一获取位置信息的方法，在终端设备接入移动基站中继(mobile base station relay)的场景下，结合5G网元实现对接入移动基站中继的UE进行定位的过程。以下结合图11介绍该获取位置信息的方法的整体流程。
示例性的，图13示出了本申请实施例提供的获取位置信息的方法的流程示意图八。以第一位置管理功能网元为执行主体进行说明。其中，第一位置管理功能网元可以是上述LMF1，第一终端设备可以是上述UE1，移动中继设备可以是上述移动基站中继。
如图13所示，该获取位置信息的方法可以包括如下步骤：
S1301、第一位置管理功能网元获取定位测量数据。
其中，定位测量数据是根据目标定位时间获取的，该目标定位时间由第一位置管 理功能获取。示例性的，第一位置管理功能网元可以接收来自定位服务器的预设定位信息，该预设定位信息可以包括预设定位时间、时间间隔、或者响应时间中的一项或多项。进一步地，第一位置管理功能网元向第一终端设备发送目标定位时间。
一种可能的设计方案中，第一位置管理功能网元可以接收来自第一终端设备的目标定位时间，第一终端设备也可以根据预设定位信息确定目标定位时间。
进一步地，第一终端设备确定目标定位时间后，第一终端设备根据目标定位时间与移动中继设备和/或一个或多个接入网设备进行定位测量，从而可以得到定位测量数据，从而第一位置管理功能网元可以从第一终端设备获取定位测量数据。应理解，这种情况下，第一终端设备根据目标定位时间获取定位测量数据。
其中，定位测量数据可以包括第一终端设备与移动中继设备之间的定位测量数据。可选地，该定位测量数据还可以包括第一终端设备与一个或多个接入网设备之间的定位测量数据，该一个或多个接入网设备可以用于第一终端设备接入。示例性的，第一终端设备与移动中继设备之间的定位测量数据可以包括移动中继设备作为基站时的小区标识(如全球小区标识)、移动中继设备对应小区基站的下行链路参考信号接收功率、第一终端设备距离移动中继设备的无线电波或PRS传输时间、第一终端设备与移动中继设备对应小区基站之间往返信号时间差。
一种可能的设计方案中，定位测量数据可以是移动中继设备和/或一个或多个接入网设备上报的，或者是第一终端设备和/或移动中继设备上报的，对此不做限定。
此外，S1301的具体实现可以参考上述S1201-S1204中的相关描述，此处不再赘述。
S1302、第一位置管理功能网元获取移动中继设备的位置信息。
其中，移动中继设备的位置信息也是根据目标定位时间确定的。
示例性的，第一位置管理功能网元可以向第二网关移动定位中心发送目标定位时间，该第二网关移动定位中心用于服务移动中继设备，第二网关移动定位中心可以是上述GMLC3，进而由GMLC3通过AMF3、LMF3向移动中继设备发送目标定位时间。或者是第一位置管理功能网元可以向第二移动性管理功能网元发送目标定位时间，第二移动性管理功能网元用于服务移动中继设备，第二移动性管理功能网元可以是上述AMF3，进而AMF3可以通过LMF3向移动中继设备发送目标定位时间。
进而，移动中继设备可以根据目标定位时间与周围小区或终端设备进行如PRS测量，得到移动中继设备的定位测量数据，从而向第三位置管理功能网元发送移动中继设备的定位测量数据，第三位置管理功能网元用于服务移动中继设备，可以是上述LMF3，进而第三位置管理功能网元根据移动中继设备的定位测量数据计算，得到移动中继设备的位置信息。
此外，S1302的具体实现可以参照上述S1205-S1208的相关描述，此处不再赘述。
S1303、第一位置管理功能网元根据定位测量数据和移动中继设备的位置信息，确定第一终端设备的位置信息。
示例性的，第一位置管理功能网元可以接收来自第三位置管理功能网元的移动中继设备的位置信息，以及接收来自第一终端设备的定位测量数据，再根据定位测量数据和移动中继设备的位置信息计算，得到第一终端设备的位置信息。S1303的具体实 现可以参照上述S1209-S1211的相关描述，此处不再赘述。
基于图12-图13示出的获取位置信息的方法，在终端设备接入移动中继设备的场景下，第一位置管理功能网元也可以利用移动中继设备辅助第一终端设备定位，也基于相同的目标定位时间测量并确定移动中继设备的位置信息，以及第一终端设备的定位测量数据，并利用同一时间或相同时间测量得到的移动中继设备的位置信息和第一终端设备的定位测量数据，确定第一终端设备的位置信息，也可以解决在此场景下由于终端设备的移动性造成终端设备定位不准确的问题，从而可以提高终端设备的定位精度和准确度。
以上结合图4-图13详细说明了本申请实施例提供的获取位置信息的方法。以下结合图14和图15详细说明用于执行本申请实施例提供的获取位置信息的方法的通信装置。
如图14所示，通信装置1400包括：处理模块1401和收发模块1402。其中，处理模块1401可以用于实现上述方法实施例中任一设备或网元的处理功能，收发模块1402可以用于实现上述方法实施例中任一设备或网元的收发功能。为了便于说明，图14仅示出了该通信装置的主要部件。
一些实施例中，通信装置1400可适用于图1-图3中任一所示出的系统中，执行图9中所示出的方法中通信设备的功能，例如，执行图4或图7中LMF1或UE1或UE2的功能，或者是执行图8中UE1或UE2的功能。
其中，处理模块1401，用于获取第二终端设备的位置信息，其中，第二终端设备的位置信息是根据目标定位时间确定的，第二终端设备用于辅助第一终端设备定位。
处理模块1401，还用于获取第二终端设备与第一终端设备之间的相对位置信息，其中，相对位置信息是根据目标定位时间确定的。
处理模块1401，还用于根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。
进一步地，处理模块1401，还用于获取目标定位时间。
一种可能的设计方案中，通信装置1400可以应用于第一位置管理功能网元，第一位置管理功能网元用于服务第一终端设备。其中，收发模块1402，用于向第一网关移动定位中心发送目标定位时间，第一网关移动定位中心用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息；或者，
收发模块1402，用于向第一移动性管理功能网元发送目标定位时间，第一移动性管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
进一步地，收发模块1402，用于接收来自定位服务器的预设定位信息，预设定位信息包括如下一项或多项：预设定位时间、时间间隔、或者响应时间。
处理模块1401，用于根据预设定位信息获取目标定位时间。
又一种可能的设计方案中，该通信装置1400可以应用于第二终端设备。收发模块1402，用于向第二位置管理功能网元发送目标定位时间，其中，第二位置管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
进一步地，收发模块1402，用于接收来自第一终端设备的目标定位时间，目标定 位时间用于确定相对位置信息。
一种可能的设计方案中，收发模块1402，用于向第一终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
另一种可能的设计方案中，该通信装置1400可以装置应用于第一终端设备。收发模块1402，用于向第二终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
可选地，收发模块1402可以包括接收模块和发送模块(图14中未示出)。其中，发送模块用于实现通信装置1400的发送功能，接收模块用于实现通信装置1400的接收功能。
可选地，通信装置1400还可以包括存储模块(图14中未示出)，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得通信装置1400可以执行图9所示出的方法中通信设备的功能。
需要说明的是，通信装置1400可以是终端设备或网络设备，也可以是可设置于终端设备或网络设备中的芯片(系统)或其他部件或组件，还可以是包含终端设备或网络设备的装置，本申请对此不做限定。
此外，通信装置1400的技术效果可以参考图4或图7-图11中任一所示出的方法的技术效果，此处不再赘述。
另一些实施例中，通信装置1400可适用于图1-图3任一所示出的系统中，执行图10中所示出的方法中第一终端设备的功能。具体地，执行图4或图7-图8中UE1的功能。
其中，处理模块1401，用于获取目标定位时间。
处理模块1401，还用于根据目标定位时间获取第二终端设备与第一终端设备之间的相对位置信息，第二终端设备用于辅助第一终端设备定位。
一种可能的设计方案中，收发模块1402，用于根据目标定位时间接收来自第二终端设备的测量信号。
收发模块1402，还用于根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息。
进一步地，收发模块1402，用于在目标定位时间或在目标定位时间之前，向第二终端设备发送定位请求。
收发模块1402，还用于接收来自第二终端设备的测量信号。
一种可能的设计方案中，收发模块1402，用于根据目标定位时间向第二终端设备发送测量信号。
处理模块1401，用于根据测量信号获取第二终端设备与第一终端设备之间的相对位置信息，或者，收发模块1402，用于接收来自第二终端设备的相对位置信息。其中，相对位置信息是根据测量信号确定的。
进一步地，收发模块1402，用于在目标定位时间或在目标定位时间之前，向第二终端设备发送测量信号。
一种可能的设计方案中，收发模块1402，用于接收来自第一位置管理功能网元的目标定位时间，第一位置管理功能网元用于服务第一终端设备。
一种可能的设计方案中，收发模块1402，用于向第二终端设备发送目标定位时间，目标定位时间用于确定相对位置信息。
一种可能的设计方案中，收发模块1402，用于向第一位置管理功能网元发送目标定位时间，目标定位时间用于确定第二终端设备的位置信息。
一种可能的设计方案中，收发模块1402，用于接收来自第二终端设备的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。
处理模块1401，用于根据相对位置信息和第二终端设备的位置信息，确定第一终端设备的位置信息。
可选地，收发模块1402可以包括接收模块和发送模块(图14中未示出)。其中，发送模块用于实现通信装置1400的发送功能，接收模块用于实现通信装置1400的接收功能。
可选地，通信装置1400还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得通信装置1400可以执行上述第一终端设备的功能。
需要说明的是，通信装置1400可以是终端设备，也可以是可设置于终端设备中的芯片(系统)或其他部件或组件，还可以是包含终端设备的装置，本申请对此不做限定。
此外，通信装置1400的技术效果可以参考上述图4或图7-图11中任一所示出的方法的技术效果，此处不再赘述。
另一些实施例中，通信装置1400可适用于图1-图3中任一所示出的系统中，执行图11中所示出的方法中第二终端设备的功能。具体地，执行图4或图7-图8中UE2的功能。
其中，处理模块1401，用于获取目标定位时间。
收发模块1402，用于根据目标定位时间向第一终端设备发送测量信号；或者，
收发模块1402，用于根据目标定位时间接收来自第一终端设备的测量信号。其中，第二终端设备用于辅助第一终端设备定位，测量信号用于确定第二终端设备与第一终端设备之间的相对位置信息。
一种可能的设计方案中，收发模块1402，还用于接收来自第一终端设备的目标定位时间。
进一步地，收发模块1402，用于向第二位置管理功能网元发送目标定位时间，第二位置管理功能网元用于服务第二终端设备，目标定位时间用于确定第二终端设备的位置信息。
一种可能的设计方案中，处理模块1401，用于获取相对位置信息。
收发模块1402，用于接收来自第二位置管理功能网元的第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。
处理模块1401，用于根据第二终端设备的位置信息和相对位置信息，确定第一终端设备的位置信息。
收发模块1402，用于向第一终端设备发送第一终端设备的位置信息。
一种可能的设计方案中，收发模块1402，用于接收来自第二位置管理功能网元的 第二终端设备的位置信息，第二终端设备的位置信息是根据目标定位时间确定的。
收发模块1402，用于向第一终端设备发送第二终端设备的位置信息，其中，第二终端设备的位置信息用于确定第一终端设备的位置信息。
可选地，收发模块1402可以包括接收模块和发送模块(图14中未示出)。其中，发送模块用于实现通信装置1400的发送功能，接收模块用于实现通信装置1400的接收功能。
可选地，通信装置1400还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得第通信装置1400可以执行所示方法中第二终端设备的功能。
需要说明的是，通信装置1400可以是终端设备，也可以是可设置于终端设备中的芯片(系统)或其他部件或组件，还可以是包含终端设备的装置，本申请对此不做限定。
此外，通信装置1400的技术效果可以参考上述图4或图7-图11中任一所示出的方法的技术效果，此处不再赘述。
又一些实施例中，通信装置1400可适用于图1-图3所示出的系统中，执行图13中所示出的方法中第一位置管理功能网元的功能。
其中，处理模块1401，用于获取定位测量数据，其中，定位测量数据包括第一终端设备与移动中继设备之间的定位测量数据，定位测量数据是根据目标定位时间获取的。
处理模块1401，用于获取移动中继设备的位置信息，其中，移动中继设备的位置信息是根据目标定位时间确定的。
处理模块1401，用于根据定位测量数据和移动中继设备的位置信息，确定第一终端的位置信息。
一种可能的设计方案中，收发模块1402，用于接收来自第一终端设备或移动中继设备的第一终端设备与移动中继设备之间的定位测量数据。
进一步地，处理模块1401，用于获取目标定位时间。
一种可能的设计方案中，收发模块1402，用于接收来自定位服务器的预设定位信息，预设定位信息包括如下一项或多项：预设定位时间、时间间隔、或者响应时间；
处理模块1401，用于根据预设定位信息获取目标定位时间。
一种可能的设计方案中，收发模块1402，用于向第一终端设备发送目标定位时间，目标定位时间用于确定定位测量数据。
又一种可能的设计方案中，收发模块1402，用于接收来自第一终端设备的目标定位时间。
一种可能的设计方案中，收发模块1402，用于向第二网关移动定位中心发送目标定位时间，第二网关移动定位中心用于服务移动中继设备，目标定位时间用于确定移动中继设备的位置信息；或者，
收发模块1402，用于向第二移动性管理功能网元发送目标定位时间，第二移动性管理功能网元用于服务移动中继设备，目标定位时间用于确定移动中继设备的位置信息。
可选地，收发模块1402可以包括接收模块和发送模块(图14中未示出)。其中，发送模块用于实现通信装置1400的发送功能，接收模块用于实现通信装置1400的接收功能。
可选地，通信装置1400还可以包括存储模块，该存储模块存储有程序或指令。当处理模块执行该程序或指令时，使得第通信装置1400可以执行图11所示方法中第一位置管理功能网元的功能。
需要说明的是，通信装置1400可以是网络设备，也可以是可设置于网络设备中的芯片(系统)或其他部件或组件，还可以是包含网络设备的装置，本申请对此不做限定。
其中，上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。
此外，通信装置1400的技术效果可以参考图11所示出的方法的技术效果，此处不再赘述。
示例性地，图15为本申请实施例提供的通信装置的结构示意图二。该通信装置可以是终端设备或网络设备，也可以是可设置于终端设备或网络设备中的芯片(系统)或其他部件或组件。如图15所示，通信装置1500可以包括处理器1501。可选地，通信装置1500还可以包括存储器1502和/或收发器1503。其中，处理器1501与存储器1502和收发器1503耦合，如可以通过通信总线连接。
下面结合图15对通信装置1500的各个构成部件进行具体的介绍：
其中，处理器1501是通信装置1500的控制中心，可以是一个处理器，也可以是多个处理元件的统称。例如，处理器1501是一个或多个中央处理器(central processing unit，CPU)，也可以是特定集成电路(application specific integrated circuit，ASIC)，或者是被配置成实施本申请实施例的一个或多个集成电路，例如：一个或多个数字信号处理器(digital signal processor，DSP)，或，一个或者多个现场可编程门阵列(field programmable gate array，FPGA)。
可选地，处理器1501可以通过运行或执行存储在存储器1502内的软件程序，以及调用存储在存储器1502内的数据，执行通信装置1500的各种功能。
在具体的实现中，作为一种实施例，处理器1501可以包括一个或多个CPU，例如图15中所示出的CPU0和CPU1。
在具体实现中，作为一种实施例，通信装置1500也可以包括多个处理器，例如图2中所示的处理器1501和处理器1504。这些处理器中的每一个可以是一个单核处理器(single-CPU)，也可以是一个多核处理器(multi-CPU)。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。
其中，所述存储器1502用于存储执行本申请方案的软件程序，并由处理器1501来控制执行，具体实现方式可以参考上述方法实施例，此处不再赘述。
可选地，存储器1502可以是只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory，EEPROM)、只读光 盘(compact disc read-only memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器1502可以和处理器1501集成在一起，也可以独立存在，并通过通信装置1500的接口电路(图15中未示出)与处理器1501耦合，本申请实施例对此不作具体限定。
收发器1503，用于与其他通信装置之间的通信。例如，通信装置1500为终端设备，收发器1503可以用于与网络设备通信，或者与另一个终端设备通信。又例如，通信装置1500为网络设备，收发器1503可以用于与终端设备通信，或者与另一个网络设备通信。
可选地，收发器1503可以包括接收器和发送器(图15中未单独示出)。其中，接收器用于实现接收功能，发送器用于实现发送功能。
可选地，收发器1503可以和处理器1501集成在一起，也可以独立存在，并通过通信装置1500的接口电路(图15中未示出)与处理器1501耦合，本申请实施例对此不作具体限定。
需要说明的是，图15中示出的通信装置1500的结构并不构成对该通信装置的限定，实际的通信装置可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
此外，通信装置1500的技术效果可以参考上述方法实施例所述的获取位置信息的方法的技术效果，此处不再赘述。
本申请实施例提供一种通信系统。该通信系统包括上述第一位置管理功能网元和第二位置管理功能网元。可选地，还包括第一终端设备和第二终端设备。
本申请实施例提供一种计算机可读存储介质，包括：该计算机可读存储介质中存储有计算机指令；当该计算机指令在计算机上运行时，使得该计算机执行如图4或图7-图13中任一示出的方法。
本申请实施例提供了一种包含指令的计算机程序产品，包括计算机程序或指令，当该计算机程序或指令在计算机上运行时，使得该计算机执行如如图4或图7-图13中任一示出的方法。
应理解，在本申请实施例中的处理器可以是中央处理单元(central processing unit，CPU)，该处理器还可以是其他通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access  memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的随机存取存储器(random access memory，RAM)可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
上述实施例，可以全部或部分地通过软件、硬件(如电路)、固件或其他任意组合来实现。当使用软件实现时，上述实施例可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令或计算机程序。在计算机上加载或执行所述计算机指令或计算机程序时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以为通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集合的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质。半导体介质可以是固态硬盘。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况，其中A,B可以是单数或者复数。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系，但也可能表示的是一种“和/或”的关系，具体可参考前后文进行理解。
本申请中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“以下至少一项(个)”或其类似表达，是指的这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a,b,或c中的至少一项(个)，可以表示：a,b,c,a-b,a-c,b-c,或a-b-c，其中a,b,c可以是单个，也可以是多个。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (33)

  1. 一种获取位置信息的方法，其特征在于，所述方法包括：
    获取第二终端设备的位置信息，其中，所述第二终端设备的位置信息是根据目标定位时间确定的，所述第二终端设备用于辅助第一终端设备定位；
    获取所述第二终端设备与所述第一终端设备之间的相对位置信息，其中，所述相对位置信息是根据所述目标定位时间确定的；
    根据所述第二终端设备的位置信息和所述相对位置信息，确定所述第一终端设备的位置信息。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    获取所述目标定位时间。
  3. 根据权利要求1或2所述的方法，其特征在于，所述方法应用于第一位置管理功能网元，所述第一位置管理功能网元用于服务所述第一终端设备；所述方法还包括：
    向第一网关移动定位中心发送定位服务请求，所述定位服务请求用于请求获取所述第二终端设备的位置信息，所述定位服务请求包括所述目标定位时间，所述目标定位时间用于确定所述第二终端设备的位置信息；或者，
    向第一移动性管理功能网元发送所述目标定位时间，所述第一移动性管理功能网元用于服务所述第二终端设备，所述目标定位时间用于确定所述第二终端设备的位置信息。
  4. 根据权利要求2或3所述的方法，其特征在于，所述获取所述目标定位时间，包括：
    接收来自定位服务器的预设定位信息，所述预设定位信息包括如下一项或多项：预设定位时间、时间间隔、或者响应时间；
    根据所述预设定位信息获取所述目标定位时间。
  5. 根据权利要求1或2所述的方法，其特征在于，所述方法应用于所述第二终端设备；所述方法还包括：
    向第二位置管理功能网元发送所述目标定位时间，其中，所述第二位置管理功能网元用于服务所述第二终端设备，所述目标定位时间用于确定所述第二终端设备的位置信息。
  6. 根据权利要求3或5所述的方法，其特征在于，所述获取所述目标定位时间，包括：
    接收来自所述第一终端设备的所述目标定位时间，所述目标定位时间用于确定所述相对位置信息。
  7. 根据权利要求3-6中任一项所述的方法，其特征在于，所述方法还包括：
    向所述第一终端设备发送所述目标定位时间，所述目标定位时间用于确定所述相对位置信息。
  8. 根据权利要求1或2所述的方法，其特征在于，所述方法应用于所述第一终端设备；所述方法还包括：
    向所述第二终端设备发送所述目标定位时间，所述目标定位时间用于确定所述相 对位置信息或所述第二终端设备的位置信息。
  9. 一种获取位置信息的方法，其特征在于，所述方法包括：
    第一终端设备获取目标定位时间；
    所述第一终端设备根据所述目标定位时间获取第二终端设备与所述第一终端设备之间的相对位置信息，所述第二终端设备用于辅助所述第一终端设备定位。
  10. 根据权利要求9所述的方法，其特征在于，所述第一终端设备根据所述目标定位时间获取所述相对位置信息，包括：
    所述第一终端设备根据目标定位时间接收来自所述第二终端设备的测量信号；
    所述第一终端设备根据所述测量信号获取所述第二终端设备与所述第一终端设备之间的相对位置信息。
  11. 根据权利要求10所述的方法，其特征在于，所述第一终端设备根据目标定位时间接收来自所述第二终端设备的测量信号，包括：
    所述第一终端设备在所述目标定位时间或在所述目标定位时间之前，向所述第二终端设备发送定位请求；
    所述第一终端设备接收来自所述第二终端设备的所述测量信号。
  12. 根据权利要求9所述的方法，其特征在于，所述第一终端设备根据所述目标定位时间获取所述相对位置信息，包括：
    所述第一终端设备根据目标定位时间向所述第二终端设备发送测量信号；
    所述第一终端设备根据所述测量信号获取所述第二终端设备与所述第一终端设备之间的相对位置信息；或者，
    所述第一终端设备接收来自所述第二终端设备的所述相对位置信息；
    其中，所述相对位置信息是根据所述测量信号确定的。
  13. 根据权利要求12所述的方法，其特征在于，所述第一终端设备根据目标定位时间向所述第二终端设备发送测量信号，包括：
    所述第一终端设备在所述目标定位时间或在所述目标定位时间之前，向所述第二终端设备发送测量信号。
  14. 根据权利要求9-13中任一项所述的方法，其特征在于，所述第一终端设备获取目标定位时间，包括：
    所述第一终端设备接收来自第一位置管理功能网元的所述目标定位时间，所述第一位置管理功能网元用于服务所述第一终端设备。
  15. 根据权利要求9-14中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备向所述第二终端设备发送所述目标定位时间，所述目标定位时间用于确定所述相对位置信息。
  16. 根据权利要求9-15中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备向第一位置管理功能网元发送所述目标定位时间，所述目标定位时间用于确定所述第二终端设备的位置信息。
  17. 根据权利要求9-16中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备接收来自所述第二终端设备的第二终端设备的位置信息，所述第二终端设备的位置信息是根据所述目标定位时间确定的；
    所述第一终端设备根据所述相对位置信息和所述第二终端设备的位置信息，确定所述第一终端设备的位置信息。
  18. 一种获取位置信息的方法，其特征在于，所述方法包括：
    第二终端设备获取目标定位时间；
    所述第二终端设备根据所述目标定位时间向第一终端设备发送测量信号；或者，
    所述第二终端设备根据所述目标定位时间接收来自所述第一终端设备的测量信号；
    其中，所述第二终端设备用于辅助所述第一终端设备定位，所述测量信号用于确定所述第二终端设备与所述第一终端设备之间的相对位置信息。
  19. 根据权利要求18所述的方法，其特征在于，所述第二终端设备获取目标定位时间，包括：
    所述第二终端设备接收来自所述第一终端设备的所述目标定位时间。
  20. 根据权利要求18或19所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备向第二位置管理功能网元发送所述目标定位时间，所述第二位置管理功能网元用于服务所述第二终端设备，所述目标定位时间用于确定所述第二终端设备的位置信息。
  21. 根据权利要求18-20中任一项所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备获取所述相对位置信息；
    所述第二终端设备接收来自第二位置管理功能网元的所述第二终端设备的位置信息，所述第二终端设备的位置信息是根据所述目标定位时间确定的；
    所述第二终端设备根据所述第二终端设备的位置信息和所述相对位置信息，确定所述第一终端设备的位置信息；
    所述第二终端设备向所述第一终端设备发送所述第一终端设备的位置信息。
  22. 根据权利要求18-20中任一项所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备接收来自第二位置管理功能网元的所述第二终端设备的位置信息，所述第二终端设备的位置信息是根据所述目标定位时间确定的；
    所述第二终端设备向所述第一终端设备发送所述第二终端设备的位置信息，其中，所述第二终端设备的位置信息用于确定所述第一终端设备的位置信息。
  23. 一种获取位置信息的方法，其特征在于，应用于第一位置管理功能网元，所述第一位置管理功能网元用于服务第一终端设备；包括：
    接收来自所述第一终端设备的定位测量数据，其中，所述定位测量数据包括所述第一终端设备与移动基站中继之间的定位测量数据，所述定位测量数据是所述第一终端设备根据目标定位时间获取的；
    获取所述移动基站中继的位置信息，其中，所述移动基站中继的位置信息是根据所述目标定位时间确定的；
    根据所述定位测量数据和所述移动基站中继的位置信息，确定所述第一终端设备的位置信息。
  24. 根据权利要求23所述的方法，其特征在于，所述方法还包括：
    获取所述目标定位时间。
  25. 根据权利要求24所述的方法，其特征在于，所述获取目标定位时间，包括：
    接收来自定位服务器的预设定位信息，所述预设定位信息包括如下一项或多项：预设定位时间、时间间隔、或者响应时间；
    根据所述预设定位信息获取所述目标定位时间。
  26. 根据权利要求23-25中任一项所述的方法，其特征在于，所述方法还包括：
    向所述第一终端设备发送所述目标定位时间，所述目标定位时间用于确定所述定位测量数据。
  27. 根据权利要求24所述的方法，其特征在于，所述获取目标定位时间，包括：
    接收来自所述第一终端设备的所述目标定位时间。
  28. 根据权利要求23-27中任一项所述的方法，其特征在于，还包括：
    向第二网关移动定位中心发送定位服务请求，所述定位服务请求用于请求获取所述移动基站中继的位置信息，所述定位服务请求包括所述目标定位时间，所述目标定位时间用于确定所述移动基站中继的位置信息；或者，
    向第二移动性管理功能网元发送所述目标定位时间，所述第二移动性管理功能网元用于服务所述移动基站中继，所述目标定位时间用于确定所述移动基站中继的位置信息。
  29. 一种通信装置，其特征在于，所述装置包括：处理模块和收发模块；
    所述处理模块，用于执行如权利要求1-28中任一项所述的方法的处理功能；
    所述收发模块，用于执行如权利要求1-28中任一项所述的方法的收发功能。
  30. 一种通信装置，其特征在于，包括：处理器，所述处理器与存储器耦合；
    所述存储器，用于存储计算机程序；
    所述处理器，用于执行所述存储器中存储的所述计算机程序，以使得所述通信装置执行如权利要求1-28中任一项所述的方法。
  31. 一种通信系统，其特征在于，所述通信系统包括：至少一个用于执行如权利要求1-28中任一项所述的方法的通信装置。
  32. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储有计算机程序或指令，当所述计算机程序或指令在计算机上运行时，使得所述计算机执行如权利要求1-28中任一项所述的方法。
  33. 一种计算机程序产品，其特征在于，所述计算机程序产品包括：计算机程序或指令，当所述计算机程序或指令在计算机上运行时，使得所述计算机执行如权利要求1-28中任一项所述的方法。
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