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WO2023051426A1 - Procédé de positionnement et terminal - Google Patents

Procédé de positionnement et terminal Download PDF

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Publication number
WO2023051426A1
WO2023051426A1 PCT/CN2022/121183 CN2022121183W WO2023051426A1 WO 2023051426 A1 WO2023051426 A1 WO 2023051426A1 CN 2022121183 W CN2022121183 W CN 2022121183W WO 2023051426 A1 WO2023051426 A1 WO 2023051426A1
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WO
WIPO (PCT)
Prior art keywords
message
terminal
request
information
target terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/121183
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English (en)
Chinese (zh)
Inventor
钟婷婷
潘翔
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of WO2023051426A1 publication Critical patent/WO2023051426A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • 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
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the present application belongs to the technical field of terminal communication, and in particular relates to a positioning method and a terminal.
  • the RAT-dependent method can be used to locate the target terminal, that is, the positioning can be realized by sending and measuring positioning reference signals through the Uu interface between the target terminal and the base station, or Use the RAT-independent positioning method to locate the target terminal, such as using the Global Navigation Satellite System (GNSS) for positioning, or you can also use the sidelink (sidelink, between the terminal and other nodes (except the base station) The communication link between them, which may also be referred to as a secondary link, a direct link, a side link, a side link, etc.) to locate the target terminal.
  • GNSS Global Navigation Satellite System
  • Embodiments of the present application provide a positioning method and a terminal, which can solve the problem of how to use the sidelink positioning method of a single-anchor terminal to locate a target terminal.
  • a positioning method including:
  • the target terminal determines the location information of the target terminal according to the second information from the anchor terminal;
  • the second information is related to single-anchor terminal sidelink positioning.
  • a positioning device including:
  • a positioning module configured to determine the location information of the target terminal according to the second information from the anchor terminal
  • the second information is related to single-anchor terminal sidelink positioning.
  • a positioning method including:
  • the first terminal sends second information related to sidelink positioning of the single-anchor terminal to the target terminal;
  • the second information is used by the target terminal to determine the location information of the target terminal.
  • a positioning device including:
  • a sending module configured to send second information related to sidelink positioning of a single-anchor terminal to the target terminal
  • the second information is used by the target terminal to determine the location information of the target terminal.
  • a terminal includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the processor The steps of the method described in the first aspect are realized.
  • a target terminal including a processor and a communication interface, wherein the processor is configured to determine the location information of the target terminal according to the second information from the anchor terminal; wherein the second Information related to single-anchor terminal sidelink positioning.
  • a first terminal in a seventh aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the The processor implements the steps of the method described in the third aspect when executing.
  • a first terminal including a processor and a communication interface, wherein the communication interface is used to send the second information related to the side link positioning of the single-anchor terminal to the target terminal; wherein, in the When the first terminal is an anchor terminal, the second information is used by the target terminal to determine the location information of the target terminal.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the third aspect.
  • a chip in a tenth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect , or implement the method as described in the third page.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory readable storage medium, and the computer program/program product is executed by at least one processor to implement The steps of the method described in the first aspect implement the steps of the method described in the third aspect.
  • the anchor terminal when the target terminal has a positioning requirement, can send the second information related to the side-link positioning of the single-anchor terminal to the target terminal, and the target terminal can send the second information from the anchor terminal to the target terminal.
  • the information determines the location information of the target terminal.
  • the embodiment of the present application provides a detailed positioning procedure for locating a target terminal based on a sidelink positioning method for a single-anchor terminal, and the location information of the target terminal can be obtained based on the positioning procedure.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a sidelink positioning method for a single-anchor terminal according to an embodiment of the present application
  • FIG. 3 is a schematic flowchart of a positioning method according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a positioning method according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a positioning device according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a positioning device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • Fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), Pedestrian Terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, transmission Receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • terminals 11 can communicate based on sidelink.
  • the terminal 11 when the terminal 11 has a positioning requirement, the terminal 11 can be positioned based on a sidelink positioning method.
  • the sidelink-based positioning method may be a DL-TDOA positioning method, or a sidelink positioning method of a single-anchor terminal.
  • the embodiment of the present application provides a detailed positioning process.
  • the position information of the target terminal can be obtained based on the positioning process.
  • FIG. 2 is a schematic diagram of a sidelink positioning method for a single-anchor terminal according to an embodiment of the present application.
  • the target terminal can be obtained based on the method shown in FIG. 2 location information.
  • the anchor terminal can periodically (assuming the period is T) send a sidelink positioning reference signal (sidelink Positioning Reference Signal, SL-PRS) to the target terminal
  • T0, T1 and T2 in Figure 2 are the anchor points
  • SL-PRS sidelink Positioning Reference Signal
  • T0, T1 and T2 in Figure 2 are the anchor points
  • the moment when the terminal sends SL-PRS three times continuously, the moment when the target terminal receives the three SL-PRS is T0+ ⁇ T0, T1+ ⁇ T1 and T2+ ⁇ T2, and the target terminal is traveling between T0+ ⁇ T0 and T1+ ⁇ T1
  • the distance is D1
  • the distance traveled between T1+ ⁇ T1 and T2+ ⁇ T2 is D2.
  • the time interval for the target terminal to receive the SL-PRS is:
  • the target terminal calculates D1 and D2 according to the time (such as through the gyroscope, etc.);
  • the location information of the target terminal can be determined and obtained.
  • the embodiment of the present application provides a positioning method 300, which can be performed by a target terminal (Target UE) that has a positioning requirement.
  • the method can be performed by software or hardware installed on the target terminal. The method includes the following steps.
  • the target terminal determines location information of the target terminal according to the second information from the anchor terminal; wherein, the second information is related to single-anchor terminal sidelink positioning.
  • the target terminal determines to use sidelink (sidelink) positioning, and the specific method of the sidelink positioning used by the target terminal is the sidelink positioning method of a single anchor terminal (single Anchor UE's sidelink positioning method) sidelink positioning method), the target terminal may receive second information related to single anchor terminal sidelink positioning (single Anchor UE sidelink positioning) from the anchor terminal (Anchor UE).
  • the aforementioned target terminal having a positioning requirement may mean that the application layer of the target terminal has a positioning requirement.
  • Positioning methods include sidelink positioning, or RAT-dependent positioning, etc.
  • the above-mentioned target terminal determines to use sidelink positioning.
  • the target terminal may determine to use sidelink positioning according to the rules pre-configured on the network side device, or the target terminal may determine according to the rules stipulated in the protocol.
  • Use sidelink for positioning, or, the target terminal may decide to use sidelink for positioning.
  • the specific methods of Sidelink positioning include the sidelink positioning method of a single Anchor UE and the sidelink positioning method of multiple Anchor UEs.
  • the above-mentioned target terminal determines to use the sidelink positioning method of a single Anchor UE.
  • the sidelink positioning method of the Anchor UE, or, the target terminal may determine to use the sidelink positioning method of a single Anchor UE according to the rules stipulated in the protocol, or it may also be that the target terminal itself decides to use the sidelink positioning method of a single Anchor UE.
  • the above-mentioned second information may include at least one of the following:
  • the location information of the anchor terminal is the location information of the anchor terminal.
  • the above configuration information of the sidelink PRS may include at least one of the following: a sending period of the sidelink PRS; and a first sending time of the sidelink PRS.
  • An anchor terminal can be understood as a terminal that assists a target terminal in positioning.
  • the anchor terminal can be configured by a network-side device, or can be determined by the target terminal from other terminals.
  • the anchor terminal when the target terminal has positioning requirements and determines to use the sidelink positioning method of a single Anchor UE for positioning, the anchor terminal can send the first information related to single Anchor UE sidelink positioning to the target terminal Second information, when the target terminal receives the second information from the anchor terminal, it may determine the location information of the target terminal according to the second information.
  • the target terminal needs to determine the anchor terminal before determining the location information.
  • the specific implementation method is as follows:
  • the target terminal sends first information related to sidelink positioning to other terminals;
  • the target terminal receives feedback information from other terminals
  • the target terminal determines the anchor terminal from other terminals according to the feedback information.
  • the above-mentioned first information may be information about the target terminal, sidelink positioning information, requirements for other terminals, information requested for other terminals, and the like.
  • the information of the target terminal can be the sidelink positioning capability and mobile status of the target terminal, etc.
  • the sidelink positioning information can be the sidelink positioning method and positioning accuracy of a single Anchor UE, and the requirements for other terminals can be the single Anchor UE sidelink positioning capability requirements etc.
  • the information requested for other terminals can be single Anchor UE sidelink positioning capability, zone information, mobility status, etc.
  • the target terminal may send the first information related to sidelink positioning to other terminals in at least one of the following situations:
  • the first case when the target terminal has established a PC5 unicast link (PC5 unicast link) with other terminals, the target terminal sends the first information related to side link positioning to other terminals;
  • the second case when the target terminal has not established a PC5 unicast link with other terminals, the target terminal initiates the process of establishing a PC5 unicast link with other terminals to other terminals, and the process of establishing a PC5 unicast link During or after the establishment process of the PC5 unicast link, the target terminal sends the first information related to sidelink positioning to other terminals. Wherein, the target terminal initiates the establishment process of the PC5 unicast link with other terminals, specifically, the upper layer (PC5-signaling, ie PC5-S) of the target terminal initiates the establishment process of the PC5 unicast link.
  • PC5-signaling ie PC5-S
  • the target terminal when the target terminal sends the first information related to sidelink positioning to other terminals, it may be implemented in at least one of the following ways:
  • RRC Radio Resource Control
  • other terminals may determine whether to send feedback information to the target terminal according to certain rules. If necessary, other terminals send feedback information to the target terminal. For example, if other terminals meet the "requirements for other terminals" in the received first information, the other terminals may send feedback information to the target terminal.
  • the feedback information sent by other terminals to the target terminal may be the sidelink positioning capability of other terminals, the zone information of other terminals, the moving status of other terminals, and the like.
  • the target terminal when other terminals send feedback information to the target terminal, they may send it in at least one of the following ways, that is, when the target terminal receives feedback information from other terminals, it may receive it in at least one of the following ways:
  • the target terminal sends the first message to other terminals through the RRC Reconfiguration Sidelink (RRC Reconfiguration Sidelink) message
  • the RRC Reconfiguration Complete Sidelink (RRC Reconfiguration Complete Sidelink) message receives the feedback information
  • the target terminal may determine the anchor terminal according to the feedback information from other terminals. For example, the terminal with the best sidelink positioning capability among other terminals can be selected as the anchor terminal.
  • the anchor terminal can also be determined in other ways, and how to determine the anchor terminal is not specifically limited here.
  • the target terminal when the above-mentioned target terminal sends the first information to other terminals, it may also send a first request to other terminals incidentally, and the first request is used to request information related to single-anchor terminal side link positioning the second information. That is to say, when the target terminal has established a PC5 unicast link with other terminals, the target terminal may send the first request incidentally when sending the first information to other terminals, or, when the target terminal has not established a link with other terminals, In the case of a PC5 unicast link, when the target terminal initiates a PC5 unicast link establishment process with other terminals, during or after the establishment process, when the target terminal sends the first information to other terminals, The first request can be sent incidentally. Wherein, when the target terminal sends the first request to other terminals, it may be implemented by at least one of the above nine implementation manners when the target terminal sends the first information to other terminals.
  • other terminals may send the second information to the target terminal.
  • the other terminal may send the second information to the target terminal at the same time when sending the above feedback information to the target terminal.
  • the target terminal may also receive second information from other terminals.
  • the other terminal sends the second information to the target terminal, that is, when the target terminal receives the second information from the other terminal, at least one of the nine implementation manners when the target terminal receives the feedback information from the other terminal item is realized.
  • the target terminal if the target terminal does not request the second information related to the single-anchor terminal sidelink positioning in the previous steps after determining the anchor terminal, for example, the target terminal sends other
  • the terminal sends the first information above, it does not request the second information incidentally (that is, it does not send the first request incidentally)
  • the target terminal determines the anchor terminal, it needs to send the first request to the anchor terminal to request the anchor terminal
  • the second information of the terminal related to sidelink positioning of the single-anchor terminal After the target terminal sends the first request to the anchor terminal, the anchor terminal can send the second information related to the single-anchor terminal sidelink positioning to the target terminal, and the target terminal can receive the second information from the anchor terminal, according to The second information can determine its own location information.
  • target terminal sends the first request to the anchor terminal, it may be implemented in at least one of the following ways:
  • the anchor terminal After the anchor terminal receives the first request from the target terminal, when sending the second information related to the single-anchor terminal sidelink positioning to the target terminal, it can be realized in at least one of the following ways, that is, the target terminal receives
  • the second information related to sidelink positioning of a single-anchor terminal from the anchor terminal can be realized in at least one of the following ways:
  • the RRC Reconfiguration Complete Sidelink (RRC Reconfiguration Complete Sidelink) message receives the second information
  • the target terminal when the target terminal receives the second information related to the single-anchor terminal sidelink positioning of the anchor terminal configured by the network side device, or, the target terminal passes the above-mentioned incidental request method (that is, in the When sending the first information, send a first request for requesting the second information along with it) when receiving the second information from the anchor terminal, or, after the target terminal determines the anchor terminal, send the first request to the anchor terminal
  • the location information of the target terminal may be determined based on the second information.
  • the location information may be calculated by the target terminal, or the location information may be obtained by the network side device.
  • the specific implementation manner is as follows.
  • the anchor terminal After the anchor terminal sends the second information related to the sidelink positioning of the single anchor terminal to the target terminal, it can send the sidelink PRS to the target terminal according to the configuration information of the sidelink PRS included in the second information.
  • the target terminal receives the sidelink PRS sent by the anchor terminal, and measures the times when the sidelink PRS is received multiple times (such as 3 times) and the multiple first distances traveled by the target terminal in multiple first time periods (such as D1 and D2) shown in FIG. 2 ), the first time period is a time period between when the target terminal receives two adjacent sidelink PRSs.
  • the location information of the target terminal After measuring the times when the sidelink PRS is received multiple times and the multiple first distances traveled by the target terminal within the above multiple first time periods, combined with the location information of the anchor terminal included in the second information, the sidelink Based on the periodic information of the PRS, the location information of the target terminal can be calculated.
  • the target terminal can use the location information of the anchor terminal, the period information of the side link PRS, the times when the The multiple first distances traveled within a period of time are sent to the network-side device.
  • the network-side device can calculate the location information of the target terminal and send the location information of the target terminal to the target terminal. .
  • the embodiment of the present application provides a detailed positioning process for locating a target terminal based on a sidelink positioning method based on a single-anchor terminal.
  • the target terminal can obtain the location information of the target terminal based on the positioning process.
  • the embodiment of the present application provides a positioning method 400, which can be executed by any first terminal among other terminals except the target terminal that needs positioning.
  • the method is executed by software or hardware of a terminal, and the method includes the following steps.
  • the first terminal sends to the target terminal second information related to the single-anchor terminal side link positioning; wherein, when the first terminal is an anchor terminal, the second information is used by the target terminal to determine the position of the target terminal information.
  • the target terminal determines to use sidelink positioning, and the specific method of the sidelink positioning that the target terminal determines to use is the sidelink positioning method of a single anchor terminal (the sidelink positioning method of a single Anchor UE)
  • the first terminal other than the target terminal may send the second information related to sidelink positioning of the single-anchor terminal to the target terminal.
  • the first terminal may be an anchor terminal or a non-anchor terminal.
  • the first terminal is an anchor terminal (the network side device configures the first terminal as an anchor terminal, or the target terminal determines that the first terminal is an anchor terminal from other terminals based on the embodiment shown in FIG. 3 )
  • the second information is used by the target terminal to determine the location information of the target terminal, that is, after receiving the second information from the first terminal, the target terminal may determine the location information of the target terminal based on the second information.
  • the above-mentioned second information may include at least one of the following:
  • the location information of the anchor terminal is the location information of the anchor terminal.
  • the above configuration information of the sidelink PRS may include at least one of the following: a sending period of the sidelink PRS; and a first sending time of the sidelink PRS.
  • the first information related to sidelink positioning may be target terminal information (such as the target terminal's sidelink positioning capability, movement status, etc.), sidelink positioning information (such as a single-anchor terminal's sidelink positioning method, positioning accuracy, etc.), requirements for other terminals (such as Single-anchor terminal sidelink positioning capability requirements, etc.), request information of other terminals (such as single-anchor terminal sidelink positioning capability, zone information, mobile status, etc.).
  • target terminal information such as the target terminal's sidelink positioning capability, movement status, etc.
  • sidelink positioning information such as a single-anchor terminal's sidelink positioning method, positioning accuracy, etc.
  • requirements for other terminals such as Single-anchor terminal sidelink positioning capability requirements, etc.
  • request information of other terminals such as single-anchor terminal sidelink positioning capability, zone information, mobile status, etc.
  • the first terminal may determine whether to send feedback information to the target terminal according to a certain rule. If necessary, feedback information may be sent to the target terminal. For example, the first terminal may determine whether the "requirements for other terminals" in the received first information are satisfied, and if so, may send feedback information to the target terminal.
  • the feedback information may include the sidelink positioning capability of the first terminal, the zone information where the first terminal is located, the moving state of the first terminal, and the like.
  • the target terminal may determine the anchor terminal from the multiple first terminals according to the feedback information. For example, a terminal with the best sidelink positioning capability among multiple first terminals may be selected as the anchor terminal.
  • the anchor terminal may also be determined in other ways, and how to determine the anchor terminal is not specifically limited here.
  • the first terminal When the above-mentioned first terminal receives the first information related to sidelink positioning from the target terminal, it may receive the first information in at least one of the following situations:
  • the first case when the first terminal has established a PC5 unicast link with the target terminal, the first terminal receives first information related to sidelink positioning from the target terminal;
  • the second case when the first terminal and the target terminal have not established a PC5 unicast link, during or after the establishment of the PC5 unicast link, the first terminal receives the First information related to sidelink positioning of the target terminal.
  • the establishment process of the PC5 unicast link is initiated by the target terminal.
  • the target terminal When the target terminal initiates the establishment process of the PC5 unicast link with the first terminal, it may specifically be the upper layer of the target terminal (PC5-signaling, that is, PC5- S) Initiate the establishment process of the PC5 unicast link.
  • the first terminal receives first information related to sidelink positioning from the target terminal, including at least one of the following:
  • RRC Reconfiguration Sidelink RRC Reconfiguration Sidelink
  • RRC Reconfiguration Sidelink In the case of receiving the first message through the RRC Reconfiguration Sidelink message (RRC Reconfiguration Sidelink), send feedback information to the target terminal through the RRC Reconfiguration Complete Sidelink (RRC Reconfiguration Complete Sidelink) message;
  • the above-mentioned first terminal when receiving the first information related to sidelink positioning from the target terminal, the above-mentioned first terminal also receives a first request from the target terminal incidentally, and the first request is used for requesting and The second information related to sidelink positioning of the single-anchor terminal.
  • the first terminal when the first terminal sends the feedback information to the target terminal, it can also send the second information related to the side link positioning of the single-anchor terminal. That is to say, in S402, the first terminal sending the second information related to the side link positioning of the single-anchor terminal to the target terminal may specifically be that, when sending the feedback information to the target terminal, the first terminal sends the target terminal the second information.
  • the first terminal may not receive the first request from the target terminal incidentally when receiving the first information related to sidelink positioning from the target terminal, the first terminal is In the case where the target terminal is determined to be the anchor terminal, after the first terminal sends feedback information to the target terminal, it may also receive a first request from the target terminal, and based on the first request, the first terminal may send the target terminal a corresponding The second information related to sidelink positioning of the single-anchor terminal. That is to say, the first terminal in S402 sends the second information related to the side link positioning of the single anchor terminal to the target terminal. When a terminal sends the first information without incidentally requesting the second information, the first terminal sends the second information to the target terminal based on the first request from the target terminal.
  • receiving the first request from the target terminal may include at least one of the following:
  • the first terminal After receiving the first request from the target terminal, the first terminal sends to the target terminal second information related to sidelink positioning of the single-anchor terminal, including at least one of the following:
  • the first terminal after the first terminal sends the second information related to the side link positioning of the single-anchor terminal to the target terminal, if the first terminal is an anchor terminal, it may also base on the second information included in the second information
  • the configuration information of the side link PRS is to send the side link PRS to the target terminal, and the target terminal determines the location information of the target terminal according to the side link PRS.
  • the target terminal determines the location information of the target terminal according to the side link PRS.
  • the embodiment of the present application provides a detailed positioning process for locating a target terminal based on a sidelink positioning method based on a single-anchor terminal.
  • the target terminal can obtain the location information of the target terminal based on the positioning process.
  • the location information of the target terminal may be determined through the following steps.
  • Step 1 The application layer of the target terminal has positioning requirements.
  • Step 2 The target terminal determines a positioning method (such as sidelink positioning, or RAT-dependent positioning) and needs to use sidelink positioning.
  • a positioning method such as sidelink positioning, or RAT-dependent positioning
  • the positioning method used by the target terminal may be determined according to a rule preconfigured by the network side device, or determined according to a rule stipulated in the protocol, or determined by the target terminal itself.
  • Step 3 The specific method for the target terminal to determine sidelink positioning (for example, a single Anchor UE or a multi-Anchor UE sidelink positioning method) is a single Anchor UE sidelink positioning method.
  • the specific method of sidelink positioning used by the target terminal may be determined according to the rules pre-configured or indicated by the network side device, or determined according to the rules stipulated in the protocol, or determined by the target terminal itself.
  • Step 4 The target terminal sends first information related to sidelink positioning to other terminals.
  • the target terminal sends the first information related to side link positioning to the other terminals.
  • the target terminal can first initiate the process of establishing a PC5 unicast link with other terminals to other terminals. After the establishment process of the PC5 unicast link, the target terminal sends the first information related to sidelink positioning to other terminals.
  • the target terminal When the target terminal sends the first information related to sidelink positioning to other terminals, it may be implemented in at least one of the following ways:
  • the first information is sent through a newly defined PC5-S message.
  • the target terminal when it sends the first information related to sidelink positioning to other terminals, it may also send a first request incidentally, where the first request is used to request the first information related to sidelink positioning of a single-anchor terminal.
  • Two information The second information includes at least one item of location information of the anchor terminal and configuration information of the sidelink PRS, and the configuration information of the sidelink PRS includes at least one item of the sending cycle of the sidelink PRS and the first sending time of the sidelink PRS.
  • Step 5 Other terminals send feedback information to the target terminal.
  • other terminals can determine whether to send feedback information to the target terminal according to certain rules (for example, whether the "requirements for other terminals" in the received first information are met). terminal. If necessary, other terminals send feedback information to the target terminal, and if not necessary, do not send feedback information to the target terminal. In this embodiment, sending feedback information is taken as an example for description.
  • the feedback information is sent to the target terminal through the newly defined PC5-S message.
  • step 4 above when the target terminal sends the first information related to sidelink positioning to other terminals, it also sends the first request incidentally, then when other terminals send feedback information to the target terminal, Second information related to sidelink positioning of the single-anchor terminal may also be sent.
  • Step 6 The target terminal selects the anchor terminal from other terminals according to the received feedback information.
  • step 6 After performing step 6, if in the above step 4, the target terminal does not send the first request incidentally when sending the first information related to sidelink positioning to other terminals, it needs to perform steps 7 to 8, otherwise it can Skip steps 7 and 8 and go to step 9.
  • Step 7 The target terminal sends a first request to the anchor terminal, and the first request is used to request the second information related to the side link positioning of the single anchor terminal.
  • the target terminal When the target terminal sends the first request to the anchor terminal, it may be implemented in at least one of the following ways:
  • the first request is sent through the newly defined PC5-S message.
  • Step 8 After receiving the first request, the anchor terminal determines second information related to sidelink positioning of the single anchor terminal, and sends the second information to the target terminal.
  • the anchor terminal When the anchor terminal sends the second information to the target terminal, it may be implemented in at least one of the following ways:
  • the second information is sent to the target terminal through the newly defined PC5-S message.
  • Step 9 After receiving the second information, the target terminal performs positioning measurement, including measuring the time when the sidelink PRS is received multiple times (for example, 3 times), and the distance traveled by the target terminal within the adjacent time period of receiving the sidelink PRS (such as D1 and D2 shown in Figure 2).
  • Step 10 The target terminal determines the location information.
  • the target terminal calculates the location information of the target terminal based on the location information of the anchor terminal, the time value of receiving sidelink PRS multiple times, and multiple driving distance values (for example, 2).
  • the target terminal sends information such as the location information of the anchor terminal, the time value at which sidelink PRS has been received multiple times, and multiple driving distance values (for example, 2) to the network side device, and the network side device receives After receiving the location information of the anchor terminal sent by the target terminal, the time value of the sidelink PRS multiple times, and multiple driving distance values (such as 2) and other information, calculate the positioning result of the target terminal and send the positioning result to the target terminal.
  • information such as the location information of the anchor terminal, the time value at which sidelink PRS has been received multiple times, and multiple driving distance values (for example, 2) to the network side device, and the network side device receives After receiving the location information of the anchor terminal sent by the target terminal, the time value of the sidelink PRS multiple times, and multiple driving distance values (such as 2) and other information, calculate the positioning result of the target terminal and send the positioning result to the target terminal.
  • the embodiment of the present application provides a detailed positioning process for locating a target terminal based on a sidelink positioning method based on a single-anchor terminal.
  • the target terminal can obtain the location information of the target terminal based on the positioning process.
  • the execution subject may be a positioning device, or a control module in the positioning device for executing the positioning method.
  • the positioning device provided in the embodiment of the present application is described by taking the positioning device executing the positioning method as an example.
  • Fig. 5 is a schematic structural diagram of a positioning device according to an embodiment of the present application, and the device may correspond to a target terminal in other embodiments. As shown in FIG. 5 , the device 500 includes the following modules.
  • a positioning module 501 configured to determine the location information of the target terminal according to the second information from the anchor terminal;
  • the second information is related to single-anchor terminal sidelink positioning.
  • the apparatus 500 further includes a sending module 502, a receiving module 503, and a determining module 504:
  • the sending module 502 is configured to send first information related to sidelink positioning to other terminals;
  • the receiving module 503 is configured to receive feedback information from the other terminals;
  • the determining module 504 is configured to determine the anchor terminal from the other terminals according to the feedback information.
  • the sending module 502 is used for at least one of the following:
  • the target terminal When the target terminal has established a PC5 unicast link with the other terminal, the target terminal sends first information related to sidelink positioning to the other terminal;
  • the target terminal In the case that the target terminal has not established a PC5 unicast link with the other terminal, the target terminal initiates a process of establishing a PC5 unicast link with the other terminal to the other terminal; During the link establishment process or after the PC5 unicast link establishment process, the target terminal sends the first information related to sidelink positioning to the other terminals.
  • the sending module 502 is used for at least one of the following:
  • the first message is sent to the other terminal through a newly defined PC5-signaling message.
  • the receiving module 503 is used for at least one of the following:
  • the target terminal When the target terminal sends the first message to the other terminal through a terminal capability query sidelink message, receive the feedback information through a terminal capability information sidelink message;
  • the target terminal When the target terminal sends the first message to the other terminal through a keep-alive message, receive the feedback information through a keep-alive confirmation message;
  • the target terminal When the target terminal sends the first message to the other terminal through the newly defined PC5-signaling message, the feedback information is received through the newly defined PC5-signaling message.
  • the second information includes at least one of the following:
  • the location information of the anchor terminal is the location information of the anchor terminal.
  • the configuration information of the sidelink PRS includes at least one of the following: a sending cycle of the sidelink PRS; and a first sending time of the sidelink PRS.
  • the sending module 502 is also configured to:
  • the receiving module is also used for:
  • the sending module 502 is further configured to send the first request to the anchor terminal;
  • the receiving module 503 is further configured to receive the second information from the anchor terminal.
  • the sending module 502 is also used for at least one of the following:
  • the first request is sent to the anchor terminal through a newly defined PC5-signaling message.
  • the receiving module 503 is also used for at least one of the following:
  • the first request is sent to the anchor terminal through a terminal capability query sidelink message
  • receiving the second information through a terminal capability information sidelink message
  • the second information is received through a newly defined PC5-signaling message.
  • the determining module 504 is also used for at least one of the following:
  • the first time period is when the target terminal receives two adjacent PRS the time period between the instants of the sidelink PRS;
  • the device 500 according to the embodiment of the present application can refer to the process of the method 300 corresponding to the embodiment of the present application, and each unit/module in the device 500 and the above-mentioned other operations and/or functions are respectively in order to realize the corresponding process in the method 300, And can achieve the same or equivalent technical effect, for the sake of brevity, no more details are given here.
  • Fig. 6 is a schematic structural diagram of a positioning device according to an embodiment of the present application, and the device may correspond to the first terminal in other embodiments. As shown in FIG. 6 , the device 600 includes the following modules.
  • a sending module 601, configured to send second information related to sidelink positioning of a single-anchor terminal to the target terminal;
  • the second information is used by the target terminal to determine the location information of the target terminal.
  • the device 600 further includes a receiving module 602;
  • the receiving module 602 is configured to receive first information related to sidelink positioning from the target terminal;
  • the sending module 601 is further configured to send feedback information to the target terminal;
  • the target terminal is configured to determine the anchor terminal from the multiple first terminals according to the feedback information from the multiple first terminals.
  • the receiving module 602 is also used for at least one of the following:
  • the first terminal When the first terminal has established a PC5 unicast link with the target terminal, the first terminal receives first information related to sidelink positioning from the target terminal;
  • the first terminal In the case that the first terminal has not established a PC5 unicast link with the target terminal, during or after the establishment of the PC5 unicast link, the first terminal receives First information related to sidelink positioning from the target terminal, and the establishment process of the PC5 unicast link is initiated by the target terminal.
  • the receiving module 602 is also used for at least one of the following:
  • the first message is received through a newly defined PC5-signaling message.
  • the sending module 601 is also used for at least one of the following:
  • the feedback information is sent to the target terminal through a newly defined PC5-signaling message.
  • the sending module 601 is configured to:
  • the first terminal When receiving the first information related to sidelink positioning from the target terminal, the first terminal receives a first request from the target terminal, where the first request is used to request information related to sidelink positioning of a single-anchor terminal the second information of
  • the second information includes at least one of the following:
  • the configuration information of the sidelink PRS includes at least one of the following: a sending cycle of the sidelink PRS; and a first sending time of the sidelink PRS.
  • the receiving module 602 is further configured to, when the first terminal is an anchor terminal, after the sending module sends the feedback information to the target terminal, receive said first request from said target terminal;
  • the sending module 601 is further configured to send the second information to the target terminal.
  • the receiving module 602 is also used for at least one of the following:
  • the first request is received through a newly defined PC5-signalling message.
  • the sending module 601 is also used for at least one of the following:
  • the second information is sent to the target terminal through a newly defined PC5-signaling message.
  • the sending module 601 is also configured to:
  • the device 600 according to the embodiment of the present application can refer to the process of the method 400 corresponding to the embodiment of the present application, and each unit/module in the device 600 and the above-mentioned other operations and/or functions are respectively in order to realize the corresponding process in the method 400, And can achieve the same or equivalent technical effect, for the sake of brevity, no more details are given here.
  • the positioning device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the positioning device provided by the embodiment of the present application can realize various processes realized by the method embodiments in FIG. 3 to FIG. 4 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application further provides a communication device 700, including a processor 701, a memory 702, and programs or instructions stored in the memory 702 and operable on the processor 701,
  • a communication device 700 including a processor 701, a memory 702, and programs or instructions stored in the memory 702 and operable on the processor 701
  • the communication device 700 is a target terminal
  • the program or instruction is executed by the processor 701
  • each process of the above positioning method embodiment can be realized, and the same technical effect can be achieved.
  • the communication device 700 is the first terminal, when the program or instruction is executed by the processor 701, each process of the positioning method embodiment described above can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface.
  • the processor is configured to determine the location information of the target terminal according to the second information from the anchor terminal; wherein, The second information is related to sidelink positioning of the single-anchor terminal.
  • the communication interface is used to send to the target terminal second information related to sidelink positioning of the single-anchor terminal; wherein, in the case where the first terminal is the anchor terminal, the The second information is used by the target terminal to determine the location information of the target terminal.
  • FIG. 8 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 800 includes but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and a processor 810, etc. at least some of the components.
  • the terminal 800 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 810 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 804 may include a graphics processor (Graphics Processing Unit, GPU) 8041 and a microphone 8042, and the graphics processor 8041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 807 includes a touch panel 8071 and other input devices 8072 .
  • the touch panel 8071 is also called a touch screen.
  • the touch panel 8071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 8072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 801 receives the downlink data from the network side device, and processes it to the processor 810; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 809 can be used to store software programs or instructions as well as various data.
  • the memory 809 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 809 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 810 may include one or more processing units; optionally, the processor 810 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 810 .
  • the processor 810 is configured to determine the location information of the target terminal according to the second information from the anchor terminal; wherein, the second information is side-chained with a single anchor terminal related to road positioning.
  • the radio frequency unit 801 is configured to send to the target terminal second information related to sidelink positioning of the single-anchor terminal; wherein, in the case where the first terminal is the anchor terminal , the second information is used by the target terminal to determine location information of the target terminal.
  • the embodiment of the present application provides a detailed positioning process for locating a target terminal based on a sidelink positioning method based on a single-anchor terminal.
  • the target terminal can obtain the location information of the target terminal based on the positioning process.
  • the terminal 800 provided in the embodiment of the present application can also implement various processes in the above embodiments of the positioning method, and can achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium may be volatile or non-volatile, and a program or instruction is stored on the readable storage medium, the program or When the instructions are executed by the processor, each process of the positioning method embodiment described above can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement each of the above positioning method embodiments process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the embodiment of the present application further provides a computer program/program product, the computer program/program product is stored in a non-transitory readable storage medium, and the computer program/program product is executed by at least one processor to realize
  • the various processes of the above embodiments of the positioning method can achieve the same technical effect, and will not be repeated here to avoid repetition.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande divulgue un procédé de positionnement et un terminal, qui appartiennent au domaine technique des communications de terminal. Le procédé des modes de réalisation de la présente demande comprend le positionnement, par un terminal cible, d'informations de localisation du terminal cible selon des secondes informations provenant d'un terminal de point d'ancrage, les secondes informations étant associées à un positionnement de liaison latérale d'un terminal de point d'ancrage unique.
PCT/CN2022/121183 2021-09-29 2022-09-26 Procédé de positionnement et terminal Ceased WO2023051426A1 (fr)

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