WO2022268067A1 - 定位方法、装置及相关设备 - Google Patents

定位方法、装置及相关设备 Download PDF

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Publication number
WO2022268067A1
WO2022268067A1 PCT/CN2022/100080 CN2022100080W WO2022268067A1 WO 2022268067 A1 WO2022268067 A1 WO 2022268067A1 CN 2022100080 W CN2022100080 W CN 2022100080W WO 2022268067 A1 WO2022268067 A1 WO 2022268067A1
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WO
WIPO (PCT)
Prior art keywords
prs
information
demand
target
positioning
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/CN2022/100080
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English (en)
French (fr)
Inventor
王园园
潘翔
孙鹏
邬华明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to JP2023578910A priority Critical patent/JP7719893B2/ja
Priority to EP22827560.8A priority patent/EP4362571A4/en
Priority to KR1020247001558A priority patent/KR20240020734A/ko
Publication of WO2022268067A1 publication Critical patent/WO2022268067A1/zh
Priority to US18/390,271 priority patent/US20240129089A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006Locating 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092Indication of how the channel is divided
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/50Service provisioning or reconfiguring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02Data link layer protocols

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a positioning method, device and related equipment.
  • the configuration information of the positioning reference signal is determined by the next generation base station node (next Generation Node Base, gNB) or at the time of network installation.
  • the positioning reference signal may still be sent.
  • it is necessary to wait for a specific sending cycle to measure and calculate, resulting in the inability to send the positioning reference signal in time. That is to say, the configuration mode of the positioning reference signal in the current technology lacks flexibility, which will cause problems such as waste of positioning resources or failure to report measurement results in time.
  • Embodiments of the present application provide a positioning method, device, and related equipment, which can solve the problem of lack of flexibility in existing positioning reference signal determination methods.
  • a positioning method including:
  • the terminal receives first positioning assistance data, where the first positioning assistance data is used to indicate configuration information of the PRS used for on-demand selection;
  • the terminal sends positioning assistance data request information, where the positioning assistance data request information is used to indicate related request information for PRS selected on demand.
  • a positioning method including:
  • the network side device sends first positioning assistance data to the terminal, where the first positioning assistance data is used to indicate configuration information of PRS for on-demand selection;
  • the network side device receives the positioning assistance data request information sent by the terminal, where the positioning assistance data request information is used to indicate related request information for PRS selected on demand.
  • a positioning device including:
  • a receiving module configured to receive first positioning assistance data, where the first positioning assistance data is used to indicate configuration information of a PRS for on-demand selection;
  • a sending module configured to send positioning assistance data request information, where the positioning assistance data request information is used to indicate related request information for the PRS selected on demand.
  • a positioning device including:
  • a sending module configured to send first positioning assistance data, where the first positioning assistance data is used to indicate configuration information of a PRS for on-demand selection;
  • the receiving module is configured to receive positioning assistance data request information, where the positioning assistance data request information is used to indicate related request information for the PRS selected on demand.
  • a terminal including a processor, a memory, and a program or instruction stored on the memory and operable on the processor, and when the program or instruction is executed by the processor, the following is implemented: The steps of the positioning method described in the first aspect.
  • a network side device including a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor.
  • a readable storage medium where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the positioning method as described in the first aspect or the second aspect is implemented. step.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the first aspect or The positioning method described in the second aspect.
  • a computer program product is provided, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the method as described in the first aspect, or implement the method as described in the first aspect The method described in the two aspects.
  • the terminal receives first positioning assistance data, and the first positioning assistance data is used to indicate configuration information of PRS for on-demand selection; and/or, the terminal sends positioning assistance data request information,
  • the positioning assistance data request information is used to indicate related request information for the PRS selected on demand.
  • the terminal can select the PRS as needed by receiving the first positioning assistance data and/or sending the positioning assistance data request information. This method of dynamically determining the PRS can be adjusted according to the actual situation, which improves the flexibility of determining the PRS.
  • FIG. 1 is a structural diagram of a network system provided by an embodiment of the present application.
  • Fig. 2 is a flow chart of the positioning method provided by the embodiment of the present application.
  • Fig. 3 is another flow chart of the positioning method provided by the embodiment of the present application.
  • Fig. 4a is a flowchart of the key information acquisition process provided by the embodiment of the present application.
  • Fig. 4b is another flow chart of the key information acquisition process provided by the embodiment of the present application.
  • Fig. 4c is another flow chart of the positioning method provided by the embodiment of the present application.
  • Fig. 5 is a structural diagram of a positioning device provided by an embodiment of the present application.
  • Fig. 6 is another structural diagram of the positioning device provided by the embodiment of the present application.
  • FIG. 7 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a structural diagram of a terminal provided in an embodiment of the present application.
  • FIG. 9 is a structural diagram of a network side device provided by 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 should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced 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.
  • 'transmission' refers to the transmission of signals, not the sending of signals in a narrow sense.
  • 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 New Radio (NR) systems for example purposes, and uses NR terminology in most of the following descriptions, although these techniques can also be applied to applications other than NR system applications, such as Gen 6 ( 6th Generation , 6G) communication system.
  • Gen 6 6th Generation , 6G
  • FIG. 1 shows a structural diagram of a wireless communication system to which this 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 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 (Ultra-Mobile Personal Computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side equipment, wearable devices include: 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, Wireless Local Area Networks (WLAN) ) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and 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 the present application, only the base station in the NR system is taken as an example, but the specific type of
  • FIG. 2 is a flowchart of a positioning method provided by an embodiment of the present application.
  • the positioning method includes:
  • Step 201 the terminal receives first positioning assistance data, the first positioning assistance data is used to indicate the configuration information of the PRS for on-demand selection; and/or, the terminal sends positioning assistance data request information, the positioning assistance
  • the data request information is used to indicate related request information for the PRS selected on demand.
  • the terminal in this application can be understood as a terminal that has subscribed to an on-demand service, and can also be understood as a terminal that supports an on-demand service.
  • the first positioning assistance data may be sent by a network side device, such as a location management function (Location Management Function, LMF), an access and mobility management function (Access and Mobility Management Function, AMF), or the base station sends the first positioning assistance data sent to the terminal.
  • LMF Location Management Function
  • AMF Access and Mobility Management Function
  • the first positioning assistance data is used to indicate the configuration information of the PRS for on-demand selection, for example, the first positioning assistance data includes at least one of the following:
  • the first key information for parsing the PRS selected on demand can be understood as the first key information used for parsing the auxiliary information of the PRS selected on demand;
  • At least one PRS configuration set for on-demand selection At least one PRS configuration set for on-demand selection
  • the key information is used by the terminal to parse the auxiliary information of the PRS selected on demand (on demand), and at least one PRS configuration set may include the identification information of the PRS configuration set.
  • the above-mentioned PRS selected on demand can be understood as one or more pre-configured PRSs, and can also be understood as a changeable PRS (that is, according to the protocol before Release 17 (Release17, R17), the PRS is installed on the network or the base station itself configured, the UE and the LMF cannot affect its configuration), and the PRS for on-demand selection can be configured on-demand according to the requests of the UE and the LMF.
  • a changeable PRS that is, according to the protocol before Release 17 (Release17, R17)
  • the PRS is installed on the network or the base station itself configured, the UE and the LMF cannot affect its configuration
  • the PRS for on-demand selection can be configured on-demand according to the requests of the UE and the LMF.
  • the PRS may be a positioning signal or a reference signal for positioning
  • the positioning signal includes at least one of the following: a downlink (Down Link, DL) PRS, a channel state information reference signal (channel-state information reference signals, CSI-RS), synchronization signal block (sync signal block, SSB), tracking reference signal (tracking reference signal, TRS) and sounding reference signal.
  • DL Downlink
  • CSI-RS channel state information reference signals
  • SSB synchronization signal block
  • TRS tracking reference signal
  • sounding reference signal sounding reference signal
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the network side equipment is used for PRS frequency domain resources selected on demand;
  • the network-side device is used for the bandwidth of the PRS selected on demand
  • the duration of the PRS selected by the network side device on demand is the duration of the PRS selected by the network side device on demand
  • the period of the PRS selected by the network side device on demand is the period of the PRS selected by the network side device on demand
  • the time domain offset of the PRS used by the network side device for on-demand selection is the time domain offset of the PRS used by the network side device for on-demand selection
  • the start time of the PRS selected by the network side device on demand is the start time of the PRS selected by the network side device on demand
  • the number of repetitions of the PRS used by the network side device for on-demand selection is the number of repetitions of the PRS used by the network side device for on-demand selection.
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection is the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection
  • the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection is the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection
  • the maximum number of TRPs used by the network side device for on-demand selection of PRS is the maximum number of TRPs used by the network side device for on-demand selection of PRS
  • the maximum bandwidth of the PRS selected on-demand by the network side device is the maximum bandwidth of the PRS selected on-demand by the network side device
  • the maximum duration of the PRS selected by the network side device on demand is the maximum duration of the PRS selected by the network side device on demand
  • the maximum period of the PRS selected by the network side device on demand is the maximum period of the PRS selected by the network side device on demand
  • the maximum number of symbols used by the network side device for PRS selected on demand is the maximum number of symbols used by the network side device for PRS selected on demand
  • the maximum number of repetitions of the PRS used by the network side device for on-demand selection is the maximum number of repetitions of the PRS used by the network side device for on-demand selection.
  • the response information for the PRS selected on demand includes at least one of the following:
  • request success indication information or request failure indication information
  • the on-demand PRS selection process may be initiated by the network side device, for example, the network side device sends the first positioning assistance data to the terminal.
  • the process of selecting PRS on demand can also be initiated by the terminal.
  • the terminal sends positioning assistance data request information to the network side device, wherein the positioning assistance data request information carries at least one of the following items:
  • the on-demand selection of the PRS key request information is used to obtain key information, so that the on-demand selection of the PRS auxiliary information is resolved using the key information.
  • the terminal may determine the PRS selected on demand according to the received first positioning assistance data, or the terminal may determine the PRS selected on demand or request to determine the PRS selected on demand by sending the positioning assistance data request information, or the terminal may An on-demand selected PRS is determined based on the first positioning assistance data and the positioning assistance data request information.
  • the step for the terminal to receive the first positioning assistance data can be before the terminal sends the positioning assistance data request information, or after the terminal sends the positioning assistance data request information, and it can be flexibly adjusted according to the actual situation. It is not limited here.
  • the terminal receives first positioning assistance data, and the first positioning assistance data is used to indicate configuration information of PRS for on-demand selection; and/or, the terminal sends positioning assistance data request information, and the The positioning assistance data request information is used to indicate related request information for the PRS selected on demand.
  • the terminal can select the PRS as needed by receiving the first positioning assistance data and/or sending the positioning assistance data request information. This method of dynamically determining the PRS can be adjusted according to the actual situation, which improves the flexibility of determining the PRS and improves the reliability of the PRS. effective utilization.
  • the first positioning assistance data can be sent to the terminal by the network side equipment, for example, it can be sent to the terminal by the base station (the base station sends it by broadcast), or it can be sent to the terminal by the LMF.
  • the PRS selected on demand may be determined by a network side device (such as a base station or an LMF), or may be determined by a terminal.
  • a network side device such as a base station or an LMF
  • the on-demand selection of PRS key request information may be carried in the positioning assistance data request information and sent separately. In this case, the on-demand selection of PRS request information is not carried in the positioning assistance data request information.
  • the on-demand selection of the PRS key request information can also be sent together with the on-demand selection of the PRS request information.
  • the positioning assistance data request information carries the on-demand selection of the PRS key request information and the on-demand selection of the PRS request information.
  • the terminal can send The positioning assistance data request message is sent to the LMF.
  • the on-demand PRS key request information can also be sent without being carried in the positioning assistance data request information.
  • the on-demand selection of PRS Set service request message, preset registration request message or LTE Positioning Protocol (LTE Positioning Protocol, LPP) message can also be sent without being carried in the positioning assistance data request information.
  • LTE Positioning Protocol LTE Positioning Protocol, LPP
  • the preset service request message is a service request message that does not carry a protocol data unit (Protocol Data Unit, PDU) session establishment (further can be understood as a user plane session connection); or , when the terminal is in the connected state, the preset service request message is a service request message carrying PRS key request information on demand; further, the above preset service request can be understood as a dedicated or special A service request for requesting a key (for example, requesting an on-demand PRS key).
  • the preset service request is an enhanced message of the service request, and when the service request is triggered by the preset service request, the preset service request may carry a key request message.
  • the preset service request message is sent through SRB 2 in a Signaling Radio Bearer (SRB) or a Data Radio Bearer (Data Radio Bearer, DRB).
  • SRB Signaling Radio Bearer
  • DRB Data Radio Bearer
  • the terminal carries the PRS key selection request information on demand in a preset service request message, a preset registration request message or an LPP message and sends it to the AMF or the base station.
  • the sending of the on-demand PRS key request information is triggered based on at least one of the following:
  • the first default quality of service (Quality of Service, QoS) condition in this case, the transmission of the PRS key request information is selected on demand based on the first preset condition set;
  • the measurement quality of the terminal positioning signal measurement is less than a first threshold
  • the positioning quality of the location information positioned by the terminal is less than a second threshold
  • the location information positioned by the terminal does not meet the second preset Qos condition
  • the terminal receives an on-demand selection of PRS measurement request information or the first positioning assistance data, and the on-demand selection of PRS measurement request information is used to indicate that the on-demand selection of PRS is measured;
  • the measurement result of the terminal positioning signal measurement is less than or greater than the third threshold, for example, the reference signal received power (Reference Signal Received Power, RSRP) is less than 30dbm, or the reference signal time difference (Reference Signal Time Difference, RSTD) is greater than (TRP1-TRP2 )distance;
  • RSRP Reference Signal Received Power
  • RSTD Reference Signal Time Difference
  • the terminal subscribes to the on-demand selection PRS service or the terminal requests the on-demand selection service.
  • the positioning signal can be understood as a reference signal for positioning, and the positioning signal includes at least one of the following: Downlink Positioning Reference Signal (Downlink Positioning Reference Signal, DL PRS), channel state information reference signal (channel-state information reference signals, CSI-RS), synchronization signal block (sync signal block, SSB), tracking reference signal (tracking reference signal, TRS) and sounding reference signal (sounding reference signal, SRS), etc.
  • Downlink Positioning Reference Signal Downlink Positioning Reference Signal
  • CSI-RS channel state information reference signals
  • SSB synchronization signal block
  • TRS tracking reference signal
  • sounding reference signal sounding reference signal
  • the location information for terminal positioning includes, but is not limited to: absolute location information (such as longitude and latitude information), relative location information, and the like.
  • the measurement information of the terminal positioning signal includes, but is not limited to: measurement results of Reference Signal Time Difference (RSTD), round-trip delay (Round-Rrip Rime, RTT), and angle of arrival (Angle Of Arrival, AOA). Angle of Departure (AOD) measurement results, RSRP, etc.
  • RSTD Reference Signal Time Difference
  • RTT round-trip delay
  • AOA Angle of Arrival
  • AOD Angle of Departure
  • the terminal receives the first positioning assistance data before sending the positioning assistance data request information, and the first positioning assistance data is used for at least one PRS configuration set selected on demand, and the PRS configuration set in the at least one PRS configuration set is the network side device
  • the preconfigured PRS configuration set may include at least one of the following:
  • the first condition includes at least one of the following:
  • At least one configuration parameter in the target PRS configuration set includes multiple optional values
  • At least one configuration parameter in the target PRS configuration set does not meet the preset requirements of the terminal
  • At least one configuration parameter in the target PRS configuration set is a default configuration parameter
  • At least one configuration parameter in the target PRS configuration set includes maximum configurable range information
  • At least one configuration parameter in the target PRS configuration set includes a maximum value that the configuration parameter can take.
  • the configuration parameters include at least one of the following:
  • Configuration window information for configuring the PRS selected on demand
  • the selected sending and receiving point TRP set refers to the TRP set selected by the terminal.
  • the selected TRP number also refers to the number of TRPs selected by the terminal.
  • the above-mentioned "selected" Both can be understood as being selected by the terminal on demand.
  • the configuration parameters are included in the information sent by the terminal, for example, if the on-demand PRS request information includes configuration parameters, the above "selected” can be understood as being selected by the terminal on demand, if The configuration parameters are included in the information received by the terminal, for example, the first positioning assistance data includes the configuration parameters, and the above "selected” can be understood as being selected and selected by the network side device as required.
  • the on-demand PRS selection request information includes the identification information of the target PRS configuration set.
  • the on-demand PRS request information includes at least one of the following:
  • SSB Synchronization Signal Block
  • the measurement information of the channel state information reference signal (Channel-state information Reference Signal, CSI-RS for short) measured by the terminal.
  • the expected departure angle information is the expected value and/or expected range of the departure angle, for example In another embodiment, it can be expressed as the expected value and or expected range of the angle of arrival, for example, also It can be azimuth, central angle, or vertical angle.
  • the on-demand selection PRS request information includes at least one of the following:
  • the terminal selects the selected PRS auxiliary information as needed.
  • the on-demand selected PRS auxiliary information includes at least one of the following:
  • Configuration window information for configuring the PRS selected on demand
  • the location information of the terminal mentioned above includes but not limited to: absolute location information (such as longitude and latitude information), relative location information, etc.
  • absolute location information such as longitude and latitude information
  • relative location information etc.
  • the positioning method used is not specifically limited here.
  • the location information of the above-mentioned terminal may include: Reference Signal Time Difference (Reference Signal Time Difference, RSTD) measurement results, round-trip time delay (round-trip time, RTT) and angle of arrival (Angle Of Arrival, AOA) measurement results, departure angle AOD measurement results, RSRP, etc.
  • Reference Signal Time Difference Reference Signal Time Difference
  • RTT round-trip time delay
  • AOA angle of arrival
  • the terminal has measured the positioning reference signal, and determines the on-demand selection of the PRS request information according to the positioning signal measurement result and/or the location information of the terminal.
  • the on-demand selection PRS request information includes at least one of the following:
  • the location information of the terminal for example, positioning information such as Enhanced Cell-ID (ECID) or Global Navigation Satellite System (Global Navigation Satellite System, GNSS) based on cell identification;
  • ECID Enhanced Cell-ID
  • GNSS Global Navigation Satellite System
  • the measurement information of the SSB measured by the terminal is the measurement information of the SSB measured by the terminal.
  • the terminal selects the selected PRS auxiliary information as needed.
  • the terminal when it does not measure the positioning reference signal, it determines the on-demand selection of PRS request information according to the measurement results of communication signals such as SSB; For a technology-independent (rat-independent) positioning result, it is determined that PRS request information is selected on demand.
  • the method further includes:
  • Receive second positioning assistance data where the second positioning assistance data includes at least one of the following:
  • Configuration information of the target PRS where the target PRS is an on-demand selected PRS;
  • the target PRS can be selected or configured by the network side device, and the target PRS is a PRS in the target PRS configuration set. It should be noted that the target PRS is at least one PRS or at least one group of PRSs (in this case, the target PRS includes multiple PRSs). If the configuration information of the target PRS is configured with at least two PRS configurations or at least two groups of PRS configurations, the terminal may also need the activation information of the target PRS to activate the configured PRS.
  • the second positioning assistance data may include the configuration information of the target PRS and the activation information of the target PRS, or the configuration information of the target PRS and the activation information of the target PRS are transmitted in different information units, if the second positioning assistance
  • the data only includes the configuration information of the target PRS, and the terminal needs to additionally acquire the activation information of the target PRS. If the configuration information of the target PRS only configures one PRS configuration or a group of PRS configurations, the terminal does not need to activate the configured PRS.
  • the above target PRS satisfies at least one of the following:
  • the resources of the target PRS under the same cell do not conflict with the resources of the first PRS, and the first PRS is another PRS in the same cell as the target PRS;
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the first serving cell
  • the target PRS resources of the first serving cell do not conflict with the PRS resources of the second serving cell, and the first serving cell and the second serving cell are different serving cells;
  • the resource of the target PRS of the non-serving cell does not conflict with the resource of the PRS of the serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the first non-serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the second non-serving cell, and the first non-serving cell and the second non-serving cell are different non-serving cells.
  • the above-mentioned first PRS may include a PRS for on-demand selection (such as: a selected PRS for on-demand selection, or a pre-configured PRS for on-demand selection) and/or other PRSs (for example, positioning references in the prior art Signal)
  • a PRS for on-demand selection such as: a selected PRS for on-demand selection, or a pre-configured PRS for on-demand selection
  • other PRSs for example, positioning references in the prior art Signal
  • the positioning method further includes one of the following:
  • the terminal receives the target PRS or the second PRS according to the priority of the target PRS and the priority of the second PRS;
  • the terminal expects to cancel the sending of the second PRS
  • the terminal receives the target PRS and the second PRS;
  • the terminal receives indication information for indicating whether to send the second PRS.
  • the second PRS is a PRS other than the target PRS.
  • the target PRS is received, and if the priority of the target PRS is lower than that of the second PRS, the second PRS is received.
  • the terminal receiving the target PRS and the second PRS may be understood as the terminal receiving the target PRS and the second PRS at the same time, or the terminal receiving the target PRS and the second PRS respectively.
  • the target PRS and the second PRS coexist, or the target PRS is on the second PRS resource and is consistent with the second PRS.
  • the coexistence can be understood as the target PRS and the second PRS can be on the same resource
  • the target PRS and the second PRS are sent in a code division manner.
  • the target PRS multiplexes the second PRS to generate the target PRS, that is, on the resources of the second PRS, the The signal is consistent with the second PRS, the target PRS is sent on resources other than the second PRS, and the target PRS is a PRS with a specific relationship with the second PRS, for example, the sequence generation rules of the target PRS and the second PRS are consistent.
  • the positioning method further includes:
  • the terminal receives second key information, the second key information is used to analyze the auxiliary information of the target PRS, the target PRS is a PRS selected on demand, and the target PRS can be selected by the network side device,
  • the target PRS is a PRS in the target PRS configuration set.
  • the second key information can be carried in the positioning assistance data sent by the network side device, such as the first positioning assistance data, or the positioning assistance data received at other times; the second key information can also be carried in the positioning assistance data sent by the network side device based on the terminal In the response message of the on-demand selection PRS key request information, for example, it is carried in a preset service response request message, a preset registration response message or an LPP message.
  • the encryption key can also be carried in the broadcast information.
  • the second key information includes validity information, and the validity information includes at least one of the following:
  • Time information such as duration information, effective start time information, effective end time information, etc.
  • Area information is valid in a specific area, such as cell range, timing advance group (Timing Advance Group, TAG) range, expected angle range, PRS resource coverage range, beam identification information for sending positioning reference signals, sending positioning reference signals beam direction information, etc.;
  • TAG Timing Advance Group
  • TAG Timing Advance Group
  • Event information e.g. key expiration when the event occurred
  • Spatial relationship information is valid under a specific spatial relationship.
  • the second key information includes key information of at least one key
  • the at least one key includes at least one of the following:
  • At least two levels of keys such as a primary key and a secondary key.
  • the second key information may also include at least one of the following:
  • broadcast type information may be used
  • the encryption key includes at least one key other than the key information
  • it can be sent to the terminal in different ways, for example, a part of the key is in the positioning assistance data, and a part of the key is in the positioning reference signal or a part of the key is in the positioning assistance data, and a part of the key is in the broadcast information.
  • a part of the key is in the registration request response message or a registration service request response message, and a part of the key is in the broadcast information.
  • the terminal may include the second key information in the positioning assistance data request information and send it to the network side device.
  • the second key information can be sent by the LMF to the terminal (in unicast mode), or the second key information can be sent by the LMF to the base station, and then the base station sends the second key information by broadcast.
  • the terminal can send the on-demand PRS request information to the LMF, and the on-demand PRS request information can include one or more of the following examples:
  • the selected PRS auxiliary information includes at least one of the following:
  • SSB Configuration for requested TRPs (SSB Configuration for requested TRPs);
  • DL-PRS Configuration Parameter (DL-PRS Configuration Parameter);
  • DL-PRS Positioning Frequency Layer Information (DL-PRS Positioning Frequency Layer Information);
  • DL-PRS Resource Bandwidth (DL-PRS Resource Bandwidth);
  • DL-PRS PRB starting point (DL-PRS Start PRB);
  • DL-PRS comb size N (DL-PRS Comb Size N);
  • ID which can also be understood as identification information
  • ARFCN Absolute Radio Frequency Channel Number
  • 5G standard cell global identity (NR Cell Global Identity, NCGI);
  • the maximum number of DL-PRS resource sets (Maximum Number of DL-PRS Resource Sets);
  • DL-PRS Resource Set Information (DL-PRS Resource Set Information);
  • DL-PRS Resource Set ID (DL-PRS Resource Set ID);
  • DL-PRS period and resource set slot offset (DL-PRS Periodicity and Resource Set Slot Offset);
  • DL-PRS Resource Repetition Factor (DL-PRS Resource Repetition Factor);
  • DL-PRS Resource Time Gap (DL-PRS Resource Time Gap);
  • DL-PRS resource power information (DL-PRS Resource Power);
  • the maximum number of DL-PRS resources in each DL-PRS resource set (Maximum Number of DL-PRS Resources per Set);
  • DL-PRS Resource Information (DL-PRS Resource Information);
  • DL-PRS Resource ID (DL-PRS Resource ID);
  • DL-PRS Sequence ID (DL-PRS Sequence ID);
  • DL-PRS RE Offset (DL-PRS RE Offset);
  • DL-PRS Resource Slot Offset (DL-PRS Resource Slot Offset);
  • the terminal or LMF can trigger the on-demand PRS selection process.
  • the terminal or LMF can trigger the process of selecting PRS on demand.
  • FIG. 3 is a flowchart of a positioning method provided by the embodiment of the present application. As shown in FIG. 3, the positioning method provided by the embodiment of the present application includes:
  • Step 301 the network side device sends the first positioning assistance data to the terminal, the first positioning assistance data is used to indicate the configuration information of the PRS for on-demand selection; and/or, the network side device receives the terminal sending
  • the positioning assistance data request information of the positioning assistance data request information is used to indicate the relevant request information for the PRS selected on demand.
  • the terminal in this application can be understood as a terminal that has subscribed to an on-demand service, and can also be understood as a terminal that supports an on-demand service. It can further be understood as a terminal requesting on-demand selection or a terminal performing on-demand selection of PRS measurement.
  • the first positioning assistance data may be sent by a network side device, such as a location management function (Location Management Function, LMF), an access and mobility management function (Access and Mobility Management Function, AMF), or the base station sends the first positioning assistance data sent to the terminal.
  • LMF Location Management Function
  • AMF Access and Mobility Management Function
  • the first positioning assistance data is used to indicate the configuration information of the PRS for on-demand selection, for example, the first positioning assistance data includes at least one of the following:
  • the first key information for parsing the PRS selected on demand is the first key information for parsing the PRS selected on demand
  • At least one PRS configuration set for on-demand selection At least one PRS configuration set for on-demand selection
  • the first key information is used by the terminal to parse the auxiliary information of the PRS selected on demand (on demand), and at least one PRS configuration set may include the identification information of the PRS configuration set.
  • the above-mentioned PRS selected on demand can be understood as one or more pre-configured PRSs, and can also be understood as a changeable PRS (that is, according to the protocol before R17, the PRS is installed by the network or configured by the base station, and the UE and the LMF cannot affect its configuration), and the PRS for on-demand selection can be configured on-demand according to the requests of UE and LMF.
  • the PRS may be a positioning signal or a reference signal for positioning
  • the positioning signal includes at least one of the following: DL PRS, channel state information reference signals (channel-state information reference signals, CSI-RS), Synchronization Signal Block (Synchronization Signal Block, SSB), tracking reference signal (t racking reference signal, TRS) and sounding reference signal.
  • the positioning assistance data request information carries at least one of the following items:
  • the PRS key request information is selected as needed to obtain key information, so as to analyze the auxiliary information of the PRS selected on demand according to the first key information.
  • the network side device sends the first positioning assistance data to the terminal, and the first positioning assistance data is used to indicate the configuration information of the PRS for on-demand selection; and/or, the network side device receives the Positioning assistance data request information sent by the terminal, where the positioning assistance data request information is used to indicate related request information of the PRS for on-demand selection.
  • the network-side device can select the PRS as needed by sending the first positioning assistance data and/or receiving the positioning assistance data request information. This method of dynamically determining the PRS can be adjusted according to the actual situation, which improves the flexibility of PRS determination and improves Effective utilization of PRS.
  • the on-demand selection of the PRS may be performed by the network side device or by the terminal.
  • the on-demand selection of PRS key request information can be carried in the positioning assistance data request information and sent together with the on-demand selection of PRS request information.
  • the positioning assistance data request information carries the on-demand selection of PRS key request information and the on-demand selection PRS request information
  • the terminal can send the positioning assistance data request information to the LMF.
  • the on-demand selection of PRS key request information can also be sent separately from the on-demand selection of PRS request information, that is, the on-demand selection of PRS request information is carried in the positioning assistance data request information, and the on-demand selection of PRS key request information is carried in the preset service Request message, preset registration request message or LPP message.
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the network side equipment is used for PRS frequency domain resources selected on demand;
  • the network-side device is used for the bandwidth of the PRS selected on demand
  • the duration of the PRS selected by the network side device on demand is the duration of the PRS selected by the network side device on demand
  • the period of the PRS selected by the network side device on demand is the period of the PRS selected by the network side device on demand
  • the time domain offset of the PRS used by the network side device for on-demand selection is the time domain offset of the PRS used by the network side device for on-demand selection
  • the start time of the PRS selected by the network side device on demand is the start time of the PRS selected by the network side device on demand
  • the number of repetitions of the PRS used by the network side device for on-demand selection is the number of repetitions of the PRS used by the network side device for on-demand selection.
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection is the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection
  • the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection is the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection
  • the maximum number of TRPs used by the network side device for on-demand selection of PRS is the maximum number of TRPs used by the network side device for on-demand selection of PRS
  • the maximum bandwidth of the PRS selected on-demand by the network side device is the maximum bandwidth of the PRS selected on-demand by the network side device
  • the maximum duration of the PRS selected by the network side device on demand is the maximum duration of the PRS selected by the network side device on demand
  • the maximum period of the PRS selected by the network side device on demand is the maximum period of the PRS selected by the network side device on demand
  • the maximum number of symbols used by the network side device for PRS selected on demand is the maximum number of symbols used by the network side device for PRS selected on demand
  • the maximum number of repetitions of the PRS used by the network side device for on-demand selection is the maximum number of repetitions of the PRS used by the network side device for on-demand selection.
  • the response information for the PRS selected on demand includes at least one of the following:
  • request success indication information or request failure indication information
  • the at least one PRS configuration set includes a target PRS configuration set.
  • the positioning assistance data request information carries PRS request information on demand;
  • the on-demand selection PRS request information includes at least one of the following:
  • the configuration parameters include at least one of the following:
  • Configuration window information for configuring the PRS selected on demand
  • the on-demand selection PRS request information includes at least one of the following:
  • the measurement information of the channel state information reference signal CSI-RS measured by the terminal is the measurement information of the channel state information reference signal CSI-RS measured by the terminal.
  • the above positioning method also includes:
  • the network side device sends second positioning assistance data, where the second positioning assistance data includes at least one of the following:
  • Configuration information of the target PRS where the target PRS is an on-demand selected PRS;
  • the target PRS can be selected or configured by the network side device, and the target PRS is a PRS in the target PRS configuration set. It should be noted that the target PRS is at least one PRS or at least one group of PRSs (in this case, the target PRS includes multiple PRSs). If the configuration information of the target PRS is configured with at least two PRS configurations or at least two groups of PRS configurations, the terminal may also need the activation information of the target PRS to activate the configured PRS.
  • the second positioning assistance data may include the configuration information of the target PRS and the activation information of the target PRS, or the configuration information of the target PRS and the activation information of the target PRS are transmitted in different information units, if the second positioning assistance
  • the data only includes the configuration information of the target PRS, and the terminal needs to additionally acquire the activation information of the target PRS. If the configuration information of the target PRS only configures one PRS configuration or a group of PRS configurations, the terminal does not need to activate the configured PRS.
  • the above target PRS satisfies at least one of the following:
  • the resources of the target PRS under the same cell do not conflict with the resources of the first PRS, and the first PRS is another PRS in the same cell as the target PRS;
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the first serving cell
  • the target PRS resources of the first serving cell do not conflict with the PRS resources of the second serving cell, and the first serving cell and the second serving cell are different serving cells;
  • the resource of the target PRS of the non-serving cell does not conflict with the resource of the PRS of the serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the first non-serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the second non-serving cell, and the first non-serving cell and the second non-serving cell are different non-serving cells.
  • the second PRS is a PRS other than the target PRS, and when the resources of the target PRS conflict with the resources of the second PRS, the method further includes one of the following:
  • the network side device sends the target PRS or the second PRS according to the priority of the target PRS and the priority of the second PRS;
  • the network side device expects to cancel the sending of the second PRS
  • the network side device sends the target PRS and the second PRS
  • the network side device sends indication information for indicating whether to send the second PRS.
  • the positioning method also includes:
  • the network side device sends second key information, the second key information is used to analyze the auxiliary information of the target PRS, the target PRS is a PRS selected on demand, and the target PRS can be selected by the network side device It is determined that the target PRS is a PRS in the target PRS configuration set.
  • the second key information can be carried in the positioning assistance data sent by the network side device, such as the first positioning assistance data, or the positioning assistance data received at other times; the second key information can also be carried in the positioning assistance data sent by the network side device based on the terminal In the response message of the on-demand selection PRS key request information.
  • the second key information may also be carried in the broadcast information.
  • the second key information includes validity information, and the validity information includes at least one of the following:
  • Time information such as duration information, effective start time information, effective end time information, etc.
  • Area information for example, valid in a specific area, such as cell range, TAG range, expected angle range, PRS resource coverage, beam identification information for sending positioning reference signals, beam direction information for sending positioning reference signals, etc.;
  • Event information e.g. key expiration when the event occurred
  • Spatial relationship information is valid under a specific spatial relationship.
  • the second key information includes key information of at least one key
  • the at least one key includes at least one of the following:
  • At least two levels of keys such as a primary key and a secondary key.
  • the second key information may also include at least one of the following:
  • broadcast type information may be used
  • the second key information can be sent by the LMF to the terminal (in unicast mode), or the second key information can be sent by the LMF to the base station, and then the base station sends the second key information by broadcast.
  • FIG 4a is a schematic flow diagram of a key information (that is, second key information) acquisition process provided by the embodiment of the present application.
  • the LMF receives the on-demand PRS encryption After receiving the key request information, obtain and store the encryption key information, and then send the encryption key information to the terminal.
  • Fig. 4b shows another schematic flowchart of a key information (ie, second key information) acquisition process provided by the embodiment of the present application.
  • the encrypted key information is broadcast by the base station sent to the terminal.
  • FIG. 4c is a schematic flowchart of a positioning method provided by the embodiment of the present application; as shown in FIG. 4c, step 431 may be performed before step 432 is performed, or step 431 may not be performed before step 432 is performed.
  • 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 by the embodiment of the present application is described by taking the positioning device executing the positioning method as an example.
  • FIG. 5 is a structural diagram of a positioning device provided by an embodiment of the present application.
  • the first positioning device 500 includes:
  • the first receiving module 501 is configured to receive first positioning assistance data, where the first positioning assistance data is used to indicate configuration information of a PRS for on-demand selection;
  • the first sending module 502 is configured to send positioning assistance data request information, where the positioning assistance data request information is used to indicate related request information of a PRS for on-demand selection.
  • the first positioning assistance data includes at least one of the following:
  • the first key information for parsing the PRS selected on demand is the first key information for parsing the PRS selected on demand
  • At least one PRS configuration set for on-demand selection At least one PRS configuration set for on-demand selection
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the network side equipment is used for PRS frequency domain resources selected on demand;
  • the network-side device is used for the bandwidth of the PRS selected on demand
  • the duration of the PRS selected by the network side device on demand is the duration of the PRS selected by the network side device on demand
  • the period of the PRS selected by the network side device on demand is the period of the PRS selected by the network side device on demand
  • the time domain offset of the PRS used by the network side device for on-demand selection is the time domain offset of the PRS used by the network side device for on-demand selection
  • the start time of the PRS selected by the network side device on demand is the start time of the PRS selected by the network side device on demand
  • the number of repetitions of the PRS used by the network side device for on-demand selection is the number of repetitions of the PRS used by the network side device for on-demand selection.
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection is the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection
  • the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection is the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection
  • the maximum number of TRPs used by the network side device for on-demand selection of PRS is the maximum number of TRPs used by the network side device for on-demand selection of PRS
  • the maximum bandwidth of the PRS selected on-demand by the network side device is the maximum bandwidth of the PRS selected on-demand by the network side device
  • the maximum duration of the PRS selected by the network side device on demand is the maximum duration of the PRS selected by the network side device on demand
  • the maximum period of the PRS selected by the network side device on demand is the maximum period of the PRS selected by the network side device on demand
  • the maximum number of symbols used by the network side device for PRS selected on demand is the maximum number of symbols used by the network side device for PRS selected on demand
  • the maximum number of repetitions of the PRS used by the network side device for on-demand selection is the maximum number of repetitions of the PRS used by the network side device for on-demand selection.
  • the response information for the PRS selected on demand includes at least one of the following:
  • request success indication information or request failure indication information
  • the positioning assistance data request information carries at least one of the following items:
  • the device also includes a second sending module, configured to:
  • the preset service request message is a service request message that does not carry a protocol data unit PDU;
  • the preset service request message is a service request message carrying request information for selecting PRS keys on demand;
  • the preset service request message is sent through a signaling radio bearer SRB2 or a data radio bearer DRB.
  • the sending of the on-demand PRS key request information is triggered based on at least one of the following:
  • the first default quality of service Qos condition The first default quality of service Qos condition
  • the measurement quality of the terminal positioning signal measurement is less than a first threshold
  • the positioning quality of the location information positioned by the terminal is less than a second threshold
  • the location information positioned by the terminal does not meet the second preset Qos condition
  • the terminal receives an on-demand selection of PRS measurement request information or the first positioning assistance data, and the on-demand selection of PRS measurement request information is used to indicate that the on-demand selection of PRS is measured;
  • the measurement result of the terminal positioning signal measurement is less than or greater than a third threshold
  • the terminal subscribes to an on-demand PRS service.
  • the at least one PRS configuration set includes a target PRS configuration set.
  • the positioning assistance data request information carries PRS request information on demand
  • the on-demand selection PRS request information includes at least one of the following:
  • the positioning assistance data request information is sent when the target PRS configuration set satisfies a first condition
  • the first condition includes at least one of the following:
  • At least one configuration parameter in the target PRS configuration set includes multiple optional values
  • At least one configuration parameter in the target PRS configuration set does not meet the preset requirements of the terminal
  • At least one configuration parameter in the target PRS configuration set is a default configuration parameter
  • At least one configuration parameter in the target PRS configuration set includes maximum configurable range information
  • At least one configuration parameter in the target PRS configuration set includes a maximum value that the configuration parameter can take.
  • the configuration parameters include at least one of the following:
  • Configuration window information for configuring the PRS selected on demand
  • the on-demand PRS request information includes at least one of the following:
  • the device also includes a second receiving module, configured to:
  • Receive second positioning assistance data where the second positioning assistance data includes at least one of the following:
  • Configuration information of the target PRS where the target PRS is an on-demand selected PRS;
  • the target PRS satisfies at least one of the following:
  • the resources of the target PRS under the same cell do not conflict with the resources of the first PRS, and the first PRS is another PRS in the same cell as the target PRS;
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the first serving cell
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the second serving cell, and the first serving cell and the second serving cell are different serving cells;
  • the resource of the target PRS of the non-serving cell does not conflict with the resource of the PRS of the serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the first non-serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the second non-serving cell, and the first non-serving cell and the second non-serving cell are different non-serving cells.
  • the second PRS is a PRS other than the target PRS, and if the resources of the target PRS conflict with the resources of the second PRS, the apparatus further includes:
  • a third receiving module configured to receive the target PRS or the second PRS according to the priority of the target PRS and the priority of the second PRS;
  • a setting module configured to expect to cancel the sending of the second PRS
  • a fourth receiving module configured to receive the target PRS and the second PRS
  • the fifth receiving module is configured to receive indication information for indicating whether to send the second PRS.
  • the device further includes a sixth receiving module for
  • the second key information is received, and the second key information is used to parse the auxiliary information of the target PRS, where the target PRS is a PRS selected on demand.
  • the second key information includes validity information
  • the validity information includes at least one of the following:
  • the second key information includes key information of at least one key
  • the at least one key includes at least one of the following:
  • At least two levels of keys At least two levels of keys.
  • the second key information also includes at least one of the following:
  • broadcast type information may be used
  • the first positioning device 500 in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the first positioning device 500 in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in this embodiment of the present application.
  • the first positioning device 500 provided in the embodiment of the present application can implement various processes implemented in the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 6 is a structural diagram of a positioning device provided in an embodiment of the present application.
  • the second positioning device 600 includes:
  • the second sending module 601 is configured to send first positioning assistance data to the terminal, where the first positioning assistance data is used to indicate configuration information of PRS for on-demand selection;
  • the second receiving module 602 is configured to receive positioning assistance data request information sent by the terminal, where the positioning assistance data request information is used to indicate related request information for PRS selected on demand.
  • the first positioning assistance data includes at least one of the following:
  • the first key information for parsing the PRS selected on demand is the first key information for parsing the PRS selected on demand
  • At least one PRS configuration set for on-demand selection At least one PRS configuration set for on-demand selection
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the network side equipment is used for PRS frequency domain resources selected on demand;
  • the network-side device is used for the bandwidth of the PRS selected on demand
  • the duration of the PRS selected by the network side device on demand is the duration of the PRS selected by the network side device on demand
  • the period of the PRS selected by the network side device on demand is the period of the PRS selected by the network side device on demand
  • the time domain offset of the PRS used by the network side device for on-demand selection is the time domain offset of the PRS used by the network side device for on-demand selection
  • the start time of the PRS selected by the network side device on demand is the start time of the PRS selected by the network side device on demand
  • the number of repetitions of the PRS used by the network side device for on-demand selection is the number of repetitions of the PRS used by the network side device for on-demand selection.
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection is the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection
  • the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection is the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection
  • the maximum number of TRPs used by the network side device for on-demand selection of PRS is the maximum number of TRPs used by the network side device for on-demand selection of PRS
  • the maximum bandwidth of the PRS selected on-demand by the network side device is the maximum bandwidth of the PRS selected on-demand by the network side device
  • the maximum duration of the PRS selected by the network side device on demand is the maximum duration of the PRS selected by the network side device on demand
  • the maximum period of the PRS selected by the network side device on demand is the maximum period of the PRS selected by the network side device on demand
  • the maximum number of symbols used by the network side device for PRS selected on demand is the maximum number of symbols used by the network side device for PRS selected on demand
  • the maximum number of repetitions of the PRS used by the network side device for on-demand selection is the maximum number of repetitions of the PRS used by the network side device for on-demand selection.
  • the response information for the PRS selected on demand includes at least one of the following:
  • request success indication information or request failure indication information
  • the positioning assistance data request information carries at least one of the following items:
  • the device further includes a third receiving module, configured to:
  • Receiving on-demand selection of PRS key request information wherein the on-demand selection of PRS key request information is carried in a preset service request message, a preset registration request message or a long term evolution positioning protocol message.
  • the at least one PRS configuration set includes a target PRS configuration set.
  • the positioning assistance data request information carries PRS request information on demand
  • the on-demand selection PRS request information includes at least one of the following:
  • the configuration parameters include at least one of the following:
  • Configuration window information for configuring the PRS selected on demand
  • the on-demand PRS request information includes at least one of the following:
  • the device further includes a third sending module, configured to:
  • Configuration information of the target PRS where the target PRS is an on-demand selected PRS;
  • the target PRS satisfies at least one of the following:
  • the resources of the target PRS under the same cell do not conflict with the resources of the first PRS, and the first PRS is another PRS in the same cell as the target PRS;
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the first serving cell
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the second serving cell, and the first serving cell and the second serving cell are different serving cells;
  • the resource of the target PRS of the non-serving cell does not conflict with the resource of the PRS of the serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the first non-serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the second non-serving cell, and the first non-serving cell and the second non-serving cell are different non-serving cells.
  • the second PRS is a PRS other than the target PRS, and when the resources of the target PRS conflict with the resources of the second PRS, the method further includes one of the following:
  • the network side device sends the target PRS or the second PRS according to the priority of the target PRS and the priority of the second PRS;
  • the network side device expects to cancel the sending of the second PRS
  • the network side device sends the target PRS and the second PRS
  • the network side device sends indication information for indicating whether to send the second PRS.
  • the device also includes a fourth sending module, configured to:
  • the second key information includes validity information
  • the validity information includes at least one of the following:
  • the second key information includes key information of at least one key
  • the at least one key includes at least one of the following:
  • At least two levels of keys At least two levels of keys.
  • the second key information also includes at least one of the following:
  • broadcast type information may be used
  • the second positioning device 600 provided in the embodiment of the present application can realize various processes realized by the method embodiment in FIG. 3 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 70, including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71,
  • a communication device 70 including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71
  • the communication device 70 is a terminal
  • the program or instruction is executed by the processor 71
  • various processes of the positioning method embodiment shown in FIG. 2 can be realized, and the same technical effect can be achieved.
  • the communication device 70 is a network-side device
  • each process of the positioning method embodiment shown in FIG. 3 can be realized, and the same technical effect can be achieved.
  • FIG. 8 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1000 includes but not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, etc. .
  • the terminal 1000 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 1010 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 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 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 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 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes a touch panel 10071 and other input devices 10072 .
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 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 1001 receives the downlink data from the network side equipment, and processes it to the processor 1010; in addition, sends the uplink data to the base station.
  • the radio frequency unit 1001 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 1009 can be used to store software programs or instructions as well as various data.
  • the memory 1009 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, at least one application program or instruction required by a function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1009 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 1010 may include one or more processing units; optionally, the processor 1010 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 1010 .
  • the radio frequency unit 1001 is configured to receive first positioning assistance data, and the first positioning assistance data is used to indicate configuration information of PRS for on-demand selection;
  • Position assistance data request information is used to indicate related request information for the PRS selected on demand.
  • the first positioning assistance data includes at least one of the following:
  • the first key information for parsing the PRS selected on demand is the first key information for parsing the PRS selected on demand
  • At least one PRS configuration set for on-demand selection At least one PRS configuration set for on-demand selection
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the network side equipment is used for PRS frequency domain resources selected on demand;
  • the network-side device is used for the bandwidth of the PRS selected on demand
  • the duration of the PRS selected by the network side device on demand is the duration of the PRS selected by the network side device on demand
  • the period of the PRS selected by the network side device on demand is the period of the PRS selected by the network side device on demand
  • the time domain offset of the PRS used by the network side device for on-demand selection is the time domain offset of the PRS used by the network side device for on-demand selection
  • the start time of the PRS selected by the network side device on demand is the start time of the PRS selected by the network side device on demand
  • the number of repetitions of the PRS used by the network side device for on-demand selection is the number of repetitions of the PRS used by the network side device for on-demand selection.
  • the resource information for the PRS selected on demand includes at least one of the following:
  • the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection is the maximum number of PRS positioning reference signal resources used by the network side equipment for on-demand selection
  • the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection is the number of PRS maximum positioning reference signal resource sets used by the network side device for on-demand selection
  • the maximum number of TRPs used by the network side device for on-demand selection of PRS is the maximum number of TRPs used by the network side device for on-demand selection of PRS
  • the maximum bandwidth of the PRS selected on-demand by the network side device is the maximum bandwidth of the PRS selected on-demand by the network side device
  • the maximum duration of the PRS selected by the network side device on demand is the maximum duration of the PRS selected by the network side device on demand
  • the maximum period of the PRS selected by the network side device on demand is the maximum period of the PRS selected by the network side device on demand
  • the maximum number of symbols used by the network side device for PRS selected on demand is the maximum number of symbols used by the network side device for PRS selected on demand
  • the maximum number of repetitions of the PRS used by the network side device for on-demand selection is the maximum number of repetitions of the PRS used by the network side device for on-demand selection.
  • the response information for the PRS selected on demand includes at least one of the following:
  • request success indication information or request failure indication information
  • the positioning assistance data request information carries at least one of the following items:
  • the radio frequency unit 1001 is also used for:
  • the preset service request message is a service request message that does not carry a protocol data unit PDU;
  • the preset service request message is a service request message carrying request information for selecting PRS keys on demand;
  • the preset service request message is sent through a signaling radio bearer SRB2 or a data radio bearer DRB.
  • the sending of the on-demand PRS key request information is triggered based on at least one of the following:
  • the first default quality of service Qos condition The first default quality of service Qos condition
  • the measurement quality of the terminal positioning signal measurement is less than a first threshold
  • the positioning quality of the location information positioned by the terminal is less than a second threshold
  • the location information positioned by the terminal does not meet the second preset Qos condition
  • the terminal receives an on-demand selection of PRS measurement request information or the first positioning assistance data, and the on-demand selection of PRS measurement request information is used to indicate that the on-demand selection of PRS is measured;
  • the measurement result of the terminal positioning signal measurement is less than or greater than a third threshold
  • the terminal subscribes to an on-demand PRS service.
  • the at least one PRS configuration set includes a target PRS configuration set.
  • the positioning assistance data request information carries PRS request information on demand
  • the on-demand selection PRS request information includes at least one of the following:
  • the positioning assistance data request information is sent when the target PRS configuration set satisfies a first condition
  • the first condition includes at least one of the following:
  • At least one configuration parameter in the target PRS configuration set includes multiple optional values
  • At least one configuration parameter in the target PRS configuration set does not meet the preset requirements of the terminal
  • At least one configuration parameter in the target PRS configuration set is a default configuration parameter
  • At least one configuration parameter in the target PRS configuration set includes maximum configurable range information
  • At least one configuration parameter in the target PRS configuration set includes a maximum value that the configuration parameter can take.
  • the configuration parameters include at least one of the following:
  • Configuration window information for configuring the PRS selected on demand
  • the on-demand PRS request information includes at least one of the following:
  • the radio frequency unit 1001 is further configured to receive second positioning assistance data, where the second positioning assistance data includes at least one of the following:
  • Configuration information of the target PRS where the target PRS is an on-demand selected PRS;
  • the target PRS satisfies at least one of the following:
  • the resources of the target PRS under the same cell do not conflict with the resources of the first PRS, and the first PRS is another PRS in the same cell as the target PRS;
  • the resources of the target PRS of the first serving cell do not conflict with the PRS resources of the first serving cell
  • the target PRS resources of the first serving cell do not conflict with the PRS resources of the second serving cell, and the first serving cell and the second serving cell are different serving cells;
  • the resource of the target PRS of the non-serving cell does not conflict with the resource of the PRS of the serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the first non-serving cell
  • the target PRS resource of the first non-serving cell does not conflict with the PRS resource of the second non-serving cell, and the first non-serving cell and the second non-serving cell are different non-serving cells.
  • the second PRS is a PRS other than the target PRS, and when the resources of the target PRS conflict with the resources of the second PRS, the method further includes one of the following:
  • the terminal receives the target PRS or the second PRS according to the priority of the target PRS and the priority of the second PRS;
  • the terminal expects to cancel the sending of the second PRS
  • the terminal receives the target PRS and the second PRS;
  • the terminal receives indication information for indicating whether to send the second PRS.
  • the radio frequency unit 1001 is further configured to receive second key information, where the second key information is used to parse the auxiliary information of a target PRS, where the target PRS is a PRS selected on demand.
  • the second key information includes validity information
  • the validity information includes at least one of the following:
  • the second key information includes key information of at least one key
  • the at least one key includes at least one of the following:
  • At least two levels of keys At least two levels of keys.
  • the second key information also includes at least one of the following:
  • broadcast type information may be used
  • the terminal 1000 provided in the foregoing embodiment can implement various processes implemented by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not described here.
  • the embodiment of the present application also provides a network side device.
  • the network device 900 includes: an antenna 91 , a radio frequency device 92 , and a baseband device 93 .
  • the antenna 91 is connected to a radio frequency device 92 .
  • the radio frequency device 92 receives information through the antenna 91, and sends the received information to the baseband device 93 for processing.
  • the baseband device 93 processes the information to be sent and sends it to the radio frequency device 92
  • the radio frequency device 92 processes the received information and sends it out through the antenna 91 .
  • the foregoing frequency band processing device may be located in the baseband device 93 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 93 , and the baseband device 93 includes a processor 94 and a memory 95 .
  • Baseband device 93 for example can comprise at least one baseband board, and this baseband board is provided with a plurality of chips, as shown in Figure 9, wherein one chip is for example processor 94, is connected with memory 95, to call the program in memory 95, execute The network device operations shown in the above method embodiments.
  • the baseband device 93 may also include a network interface 96 for exchanging information with the radio frequency device 92, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention also includes: instructions or programs stored in the memory 95 and operable on the processor 94, and the processor 94 calls the instructions or programs in the memory 95 to execute the modules shown in FIG. 7 To avoid duplication, the method of implementation and to achieve the same technical effect will not be repeated here.
  • the embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by the processor, each process of the method embodiment described in FIG. 2 or FIG. 3 is implemented, And can achieve the same technical effect, in order to avoid repetition, no more details here.
  • the processor is the processor in the terminal or the network side device 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 the program or instruction of the network side device to implement the above-mentioned Figure 2 or
  • the various processes of the method embodiment in FIG. 3 can achieve the same technical effect, and will not be repeated here to avoid repetition.
  • 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.
  • An embodiment of the present application further provides a computer program product, wherein the computer program product is stored in a readable storage medium, and the computer program product is executed by at least one process to implement the above method embodiment in FIG. 2 or FIG. 3
  • the computer program product is stored in a readable storage medium, and the computer program product is executed by at least one process to implement the above method embodiment in FIG. 2 or FIG. 3
  • 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 a software product in essence or the part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network, etc.) execute the methods described in the various embodiments of the present application.

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Abstract

本申请公开了一种定位方法、装置及相关设备,属于通信技术领域。其中,方法包括:终端接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;和/或,所述终端发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。

Description

定位方法、装置及相关设备
相关申请的交叉引用
本申请主张在2021年6月22日在中国提交的中国专利申请No.202110694013.3的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种定位方法、装置及相关设备。
背景技术
现有技术中的定位参考信号(Positioning Reference Signal,PRS)的配置信息由下一代基站节点(next Generation Node Base,gNB)决定或者网络安装时决定。在无定位需求时,可能仍会发送定位参考信号,在有紧急或低时延需求的情况下,需要等到特定的发送周期才能测量和计算,导致不能及时发送定位参考信号。也就是说,现在技术中的定位参考信号的配置方式缺乏灵活性,会造成定位资源浪费或无法及时上报测量结果等问题。
发明内容
本申请实施例的提供一种定位方法、装置及相关设备,能够解决现有的定位参考信号的确定方式缺乏灵活性的问题。
第一方面,提供了一种定位方法,包括:
终端接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
所述终端发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
第二方面,提供了一种定位方法,包括:
网络侧设备向终端发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
所述网络侧设备接收所述终端发送的定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
第三方面,提供了一种定位装置,包括:
接收模块,用于接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
发送模块,用于发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
第四方面,提供了一种定位装置,包括:
发送模块,用于发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
接收模块,用于接收定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
第五方面,提供了一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的定位方法的步骤。
第六方面,提供了一种网络侧设备,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第二方面所述的定位方法的步骤。
第七方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面或第二方面所述的定位方法的步骤。
第八方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现如第一方面或第二方面所述的定位方法。
第九方面,提供了一种计算机程序产品,所述计算机程序产品被存储在存储介质中,所述计算机程序产品被至少一个处理器执行以实现如第一方面 所述的方法,或实现如第二方面所述的方法。
在本申请实施例中,终端接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;和/或,所述终端发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。终端可通过接收第一定位辅助数据,和/或发送定位辅助数据请求信息来按需选择PRS,这种动态确定PRS的方式可根据实际情况进行调整,提高了PRS确定的灵活性。
附图说明
图1是本申请实施例提供的一种网络系统的结构图;
图2是本申请实施例提供的定位方法的一流程图;
图3是本申请实施例提供的定位方法的另一流程图;
图4a是本申请实施例提供的密钥信息获取过程的一流程图;
图4b是本申请实施例提供的密钥信息获取过程的另一流程图;
图4c是本申请实施例提供的定位方法的又一流程图;
图5是本申请实施例提供的定位装置的一结构图;
图6是本申请实施例提供的定位装置的另一结构图;
图7是本申请实施例提供的通信设备的结构图;
图8是本申请实施例提供的终端的结构图;
图9是本申请实施例提供的网络侧设备的结构图。
具体实施方式
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清楚地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描 述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。本申请中‘传输’表示信号的传送,并非狭义上的信号发送。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。然而,以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,尽管这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的结构图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户终端(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(Ultra-Mobile Personal Computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备(Vehicle User Equipment,VUE)、行人终端(Pedestrian User Equipment,PUE)等终端侧设备,可穿戴式设备包括:手环、耳机、眼镜等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set, BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、无线局域网(Wireless Local Area Networks,WLAN)接入点、无线保真(Wireless Fidelity,WiFi)节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。
下面结合附图,通过具体的实施例及其应用场景对本申请实施例提供的定位方法进行详细地说明。
请参见图2,图2是本申请实施例提供的一种定位方法的流程图,该定位方法,包括:
步骤201、终端接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;和/或,所述终端发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
本申请中的终端可理解为订阅了按需选择服务的终端,也可以理解为支持按需选择服务的终端。上述中,第一定位辅助数据可由网络侧设备发送,例如位置管理功能(Location Management Function,LMF)、接入和移动性管理功能(Access and Mobility Management Function,AMF)或者基站将第一定位辅助数据发送给终端。第一定位辅助数据用于指示用于按需选择的PRS的配置信息,例如,所述第一定位辅助数据包括如下至少一项:
用于解析按需选择的PRS的第一密钥信息,可理解为用于解析按需选择的PRS的辅助信息的第一密钥信息;
用于按需选择的至少一个PRS配置集合;
用于按需选择的PRS的资源信息;
用于按需选择的PRS的响应信息。
上述中,密钥信息用于终端对按需选择(on demand)的PRS的辅助信息进行解析,至少一个PRS配置集合可包括PRS配置集合的标识信息。
上述中于按需选择的PRS可以理解为一个或多个预配置的PRS,也可以理解为,可变化的PRS(即根据版本17(Release17,R17)前的协议,PRS 是网络安装或者基站自行配置的,UE和LMF无法影响其配置),而用于按需选择的PRS则可以根据UE和LMF的请求进行按需选择的配置。
需要说明的是,本申请中的“按需选择”也可以理解为“按需选择的”。
在一种实施例中,PRS可以为定位信号或者用于定位的参考信号,该定位信号包括以下至少一项:下行链路(Down Link,DL)PRS、信道状态信息参考信号(channel-state information reference signals,CSI-RS)、同步信号块(sync signal block,SSB)、追踪参考信号(tracking reference signal,TRS)和探测参考信号。
所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS时域资源;
所述网络侧设备用于按需选择的PRS频域资源;
所述网络侧设备用于按需选择的PRS的带宽;
所述网络侧设备用于按需选择的PRS的持续时间;
所述网络侧设备用于按需选择的PRS的周期;
所述网络侧设备用于按需选择的PRS的时域偏移;
所述网络侧设备用于按需选择的PRS的起始时间;
所述网络侧设备用于按需选择的PRS的符号;
所述网络侧设备用于按需选择的PRS的重复次数。
进一步的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
所述网络侧设备用于按需选择的PRS的最大TRP数目;
所述网络侧设备用于按需选择的PRS的最大带宽;
所述网络侧设备用于按需选择的PRS的最长持续时间;
所述网络侧设备用于按需选择的PRS的最小周期;
所述网络侧设备用于按需选择的PRS的最大周期;
所述网络侧设备用于按需选择的PRS的最早时域偏移;
所述网络侧设备用于按需选择的PRS的最早起始时间;
所述网络侧设备用于按需选择的PRS的最大符号数;
所述网络侧设备用于按需选择的PRS的最大重复次数。
所述用于按需选择的PRS的响应信息包括如下至少一项:
错误指示信息;
错误类型信息;
无可用资源信息;
错误原因信息;
肯定确认(Acknowledgement,ACK)信息;
否定确认(Negative Acknowledgement,NACK)信息;
不支持按需选择PRS信息;
目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目标PRS配置集合;
请求成功指示信息或请求失败指示信息;
配置成功指示信息或配置失败指示信息;
所述目标PRS配置集合的配置信息。
按需选择PRS流程可由网络侧设备发起,例如,网络侧设备向终端发送第一定位辅助数据。按需选择PRS流程也可由终端发起,例如,终端向网络侧设备发送定位辅助数据请求信息,其中,定位辅助数据请求信息携带如下至少一项:
按需选择定位参考信号PRS请求信息;
按需选择PRS密钥请求信息。
具体的,按需选择PRS密钥请求信息用于获取密钥信息,以采用密钥信息对按需选择的PRS的辅助信息进行解析。
上述中,终端可根据接收的第一定位辅助数据确定按需选择的PRS,或者,终端可通过发送定位辅助数据请求信息确定按需选择的PRS或请求确定按需选择的PRS,或者,终端可基于第一定位辅助数据和定位辅助数据请求信息确定按需选择的PRS。需要说明的是,终端接收第一定位辅助数据的步骤可以在终端发送定位辅助数据请求信息的步骤之前,也可以在终端发送定位辅助数据请求信息的步骤之后,具体可根据实际情况进行灵活调整,在此不做限定。
本实施例中,终端接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;和/或,所述终端发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。终端可通过接收第一定位辅助数据,和/或发送定位辅助数据请求信息来按需选择PRS,这种动态确定PRS的方式可根据实际情况进行调整,提高了PRS确定的灵活性,提高PRS的有效利用率。
第一定位辅助数据可以由网络侧设备发送给终端,如:可以由基站发送给终端(基站采用广播的方式发送),也可以由LMF发送给终端。
按需选择的PRS可由网络侧设备确定(如基站或者LMF),也可以由终端确定。
按需选择PRS密钥请求信息可携带在定位辅助数据请求信息中单独发送,此种情况下,定位辅助数据请求信息不携带按需选择PRS请求信息。按需选择PRS密钥请求信息也可以与按需选择PRS请求信息一起发送,此种情况下,定位辅助数据请求信息携带按需选择PRS密钥请求信息和按需选择PRS请求信息,终端可将该定位辅助数据请求信息发送给LMF。
按需选择PRS密钥请求信息还可以不携带在定位辅助数据请求信息中发送,例如,按需选择PRS请求信息携带在定位辅助数据请求信息中发送,按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或LTE定位协议(LTE Positioning Protocol,LPP)消息中发送。
在所述终端处于连接态的情况下,所述预设服务请求消息为未携带协议数据单元(Protocol Data Unit,PDU)会话建立的服务请求消息(进一步可以理解为用户面的会话连接);或者,在所述终端处于连接态的情况下,所述预设服务请求消息为携带按需选择PRS密钥请求信息的服务请求消息;进一步的,上述预设服务请求可以理解为一种专用或者特殊的服务请求,该服务请求用于请求密钥(如,请求按需选择的PRS密钥)。在另一种可能的实现方式中,预设服务请求为服务请求的增强消息,在通过预设服务请求触发服务请求的情况下,预设服务请求可以携带密钥请求消息。
或者,在所述终端处于非连接态的情况下,所述预设服务请求消息通过信令无线承载(Signaling Radio Bearer,SRB)中的SRB 2或数据无线承载(Data  Radio Bearer,DRB)发送。终端将按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或LPP消息中发送给AMF或者基站。
上述中,所述按需选择PRS密钥请求信息的发送基于如下至少一项触发:
第一预设服务质量(Quality of Service,QoS)条件,此种情况下,按需选择PRS密钥请求信息的发送基于设置的第一预设条件触发;
所述终端定位信号测量的测量质量小于第一阈值;
所述终端定位的位置信息的定位质量小于第二阈值;
所述终端定位的位置信息不满足第二预设Qos条件;
所述终端接收到按需选择PRS测量请求信息或所述第一定位辅助数据,所述按需选择PRS测量请求信息用于指示对按需选择的PRS进行测量;
所述终端定位信号测量的测量结果小于或大于第三阈值,例如,参考信号接收功率(Reference Signal Received Power,RSRP)小于30dbm,或者参考信号时差(Reference Signal Time Difference,RSTD)大于(TRP1-TRP2)的距离;
所述终端订阅按需选择PRS服务或者所述终端请求按需选择服务。
上述中,定位信号可理解为用于定位的参考信号,定位信号包括以下至少一项:下行定位参考信号(Downlink Positioning Reference Signal,DL PRS)、信道状态信息参考信号(channel-state information reference signals,CSI-RS)、同步信号块(sync signal block,SSB)、追踪参考信号(tracking reference signal,TRS)和探测参考信号(sounding reference signal,SRS)等。
终端定位的位置信息包括但不限于:绝对位置信息(如经纬度信息),相对位置信息等。终端定位信号的测量信息包括但不限于:参考信号时间差(Reference Signal Time Difference,RSTD)测量结果、往返时延(Round-Rrip Rime,RTT)者到达角(Angle Of Arrival,AOA)测量结果,离开角(Angle of Departure,AOD)测量结果,RSRP等。
终端在发送定位辅助数据请求信息之前,接收到第一定位辅助数据,且第一定位辅助数据用于按需选择的至少一个PRS配置集合,至少一个PRS配置集合中的PRS配置集合为网络侧设备预配置的PRS配置集合,所述至少一个PRS配置集合包括目标PRS配置集合,在所述目标PRS配置集合满足第 一条件的情况下,所述按需选择PRS请求信息包括如下至少一项:
所述目标PRS配置集合的标识信息;
所述终端的位置信息;
配置参数。
预配置的PRS配置集合可包括如下至少一项:
配置参数;
预配置PRS配置识别信息;
最大支持的频率层;
最大支持的TRP数目;
最大支持的资源数据;
最大支持的资源集合数目;
最大支持带宽;
最大支持的重复数目;
最早PRS起始时间;
最晚PRS起始时间;
PRS最长持续时间。
其中,所述第一条件包括如下至少一项:
所述目标PRS配置集合中的至少一个配置参数包括多个可选值;
所述目标PRS配置集合中的至少一个配置参数不满足所述终端的预设需求;
所述目标PRS配置集合中的至少一个配置参数为缺省的配置参数;
所述目标PRS配置集合中的至少一个配置参数包括最大可配置范围信息;
所述目标PRS配置集合中的至少一个配置参数包括该配置参数可取值的最大值。
上述中,所述配置参数包括如下至少一项:
所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
用于测量按需选择的PRS的测量窗信息;
用于配置按需选择的PRS的配置窗信息;
选定的发送接收点TRP集合;
选定的TRP数目;
选定的TRP标识信息;
选定的定位参考信号资源集合;
选定的定位参考信号资源;
选定的定位参考信号的标识信息;
选定的定位参考信号资源集数目;
选定的定位参考信号资源数目;
选定的定位参考信号资源集合的标识信息。
上述中,选定的发送接收点TRP集合,是指终端选定的TRP集合,同样的,选定的TRP数目也是指终端选定的TRP数目,一种实施例中,上述“选定的”均可理解为由终端按需选择选定。另一种实施例中,若配置参数包括在终端发送的信息中,例如,如按需选择PRS请求信息包括配置参数,则上述“选定的”可理解为由终端按需选择选定,若配置参数包括在终端接收的信息中,例如,第一定位辅助数据包括配置参数,则上述“选定的”可理解为由网络侧设备按需选择选定。
上述中,在所述目标PRS配置集合不满足第一条件的情况下,按需选择PRS请求信息包括目标PRS配置集合的标识信息。
可选的,所述按需选择PRS请求信息包括如下至少一项:
用于指示按需选择PRS的指示信息;
终端按需选择的PRS的辅助信息;
所述终端的位置信息;
预期离开角信息;
所述终端测量的同步信号块(Synchronization Signal Block,简称SSB)的测量信息;
所述终端测量的信道状态信息参考信号(Channel-state information Reference Signal,简称CSI-RS)的测量信息。
所述预期离开角信息为离开角的预期值和/或预期范围,例如
Figure PCTCN2022100080-appb-000001
Figure PCTCN2022100080-appb-000002
在另一个实施例中,它可以表示为到达角的预期值和或预期范围,例如,
Figure PCTCN2022100080-appb-000003
此外
Figure PCTCN2022100080-appb-000004
可以是方位角,中心角,也可以是垂直角。
一种情况下,终端在发送定位辅助数据请求信息之前测量到定位参考信号或上报所述终端的位置信息的情况下,所述按需选择PRS请求信息包括如下至少一项:
所述终端的位置信息;
预期离开角信息;
终端按需选择选定的PRS辅助信息。
其中,按需选择选定的PRS辅助信息包括如下至少一项:
按需选择选定的PRS的带宽信息;
按需选择选定的PRS的发送的起始时间;
按需选择选定的PRS的发送的终止时间;
按需选择选定的PRS的发送的持续时间;
用于测量按需选择的PRS的测量窗信息;
用于配置按需选择的PRS的配置窗信息;
选定的发送接收点TRP集合;
选定的TRP数目;
选定的TRP标识信息;
选定的定位参考信号资源集合;
选定的定位参考信号资源;
选定的定位参考信号的标识信息;
选定的定位参考信号资源集数目;
选定的定位参考信号资源数目;
选定的定位参考信号资源集合的标识信息。
上述所述终端的位置信息,包括终端定位的位置信息包括但不限于:绝对位置信息(如经纬度信息),相对位置信息等,使用的定位方法此处不做具体限制。
在另一个实施例中,上述终端的位置信息,包括信号测量信息可以包括:参考信号时间差(ReferenceSignal Time Difference,RSTD)测量结果、往返时延(round-trip time,RTT)者到达角(Angle Of Arrival,AOA)测量结果,离开角AOD测量结果,RSRP等。
在上述情况下,可以理解为所述终端曾进行过定位参考信号的测量,根据定位信号测量结果和/或终端的位置信息等,确定按需选择PRS请求信息。
另一种情况下,在所述终端发送定位辅助数据请求信息之前获取到所述终端的位置信息或者未测量定位参考信号的情况下,所述按需选择PRS请求信息包括如下至少一项:
所述终端的位置信息,例如,基于小区标识的增强定位技术(Enhanced Cell-ID,ECID)或全球导航卫星系统(Global Navigation Satellite System,GNSS)等定位信息;
所述终端测量的SSB的测量信息;
所述终端测量的CSI-RS的测量信息;
终端按需选择选定的PRS辅助信息。
在上述情况下,可以理解为所述终端没有进行定位参考信号的测量的情况下,根据SSB等通信信号测量结果确定按需选择PRS请求信息;或者可以理解为,所述终端根据之前无线接入技术无关(rat-independent)的定位结果,确定按需选择PRS请求信息。
在本申请一个实施例中,在所述终端发送定位辅助数据请求信息之后,所述方法还包括:
接收第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
目标PRS的激活信息。
目标PRS可由网络侧设备选定或配置,目标PRS为目标PRS配置集合中的PRS。值得注意的是所述为目标PRS为至少一个PRS或者至少一组PRS(此种情况下,目标PRS包括多个PRS)。若目标PRS的配置信息配置了至少两个PRS配置或至少两组PRS配置,则终端可能还需要目标PRS的激活信息对配置的PRS进行激活。此种情况下,第二定位辅助数据可包括目标PRS 的配置信息和目标PRS的激活信息,或者,目标PRS的配置信息和目标PRS的激活信息在不同的信息单元中传输,如若第二定位辅助数据仅包括目标PRS的配置信息,则终端需要另外获取目标PRS的激活信息。若目标PRS的配置信息仅配置一个PRS配置或一组PRS配置,则终端不需要对配置的PRS进行激活。
上述目标PRS满足如下至少一项:
在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
上述第一PRS可以包括用于按需选择的PRS(如:按需选择选定的PRS,或者用于按需选择预配置的PRS)和/或其它PRS(例如,现有技术中的定位参考信号)
上述中,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,定位方法还包括如下其中一项:
所述终端根据所述目标PRS的优先级和所述第二PRS的优先级,接收所述目标PRS或所述第二PRS;
所述终端期待取消所述第二PRS的发送;
所述终端接收所述目标PRS和所述第二PRS;
所述终端接收用于指示是否发送所述第二PRS的指示信息。
其中,第二PRS为除所述目标PRS之外的PRS。
例如,在目标PRS的优先级大于第二PRS的优先级的情况下,接收目标PRS,在目标PRS的优先级小于第二PRS的优先级的情况下,接收第二PRS。
终端接收所述目标PRS和所述第二PRS可理解为终端同时接收所述目标PRS和所述第二PRS,或者,终端分别接收所述目标PRS和所述第二PRS。例如,目标PRS和所述第二PRS共存,或者,目标PRS在第二PRS资源上,与第二PRS一致,上述,所述共存可以理解为目标PRS和所述第二PRS可以在相同的资源上发送,如:时域资源,频域资源,空域资源。在一种实施例中,目标PRS和第二PRS采用码分的方式发送,在另一种实施例中,目标PRS复用第二PRS生成目标PRS,即在第二PRS的资源上,所述信号与第二PRS一致,在除第二PRS的资源上发送目标PRS,且目标PRS为与第二PRS具备特定关系的PRS,例如,目标PRS与第二PRS的序列生成规则一致等。
在终端发送按需选择PRS密钥请求信息之后,所述定位方法还包括:
所述终端接收第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS,目标PRS可由网络侧设备选定,目标PRS为目标PRS配置集合中的PRS。
第二密钥信息可携带在网络侧设备发送的定位辅助数据中,例如第一定位辅助数据,或者其他时刻接收到的定位辅助数据;第二密钥信息也可以携带在网络侧设备基于终端发送的按需选择PRS密钥请求信息的响应消息中,例如,携带在预设服务响应求消息、预设注册响应消息或LPP消息中。另外,加密密钥还可以携带在广播信息中。
第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
时间信息,例如,持续时间信息,有效起始时间信息,有效终止时间信息等等;
区域信息,例如,在特定的区域下有效,如小区范围,定时提前组(Timing Advance Group,TAG)范围,预期角度范围,PRS资源覆盖范围,发送定位参考信号的波束标识信息、发送定位参考信号的波束方向信息等;
事件信息,例如,事件发生时密钥失效;
空间关系信息,例如,特定空间关系下有效。
所述第二密钥信息包括至少一个密钥的密钥信息;
所述至少一个密钥包括如下至少一项:
静态密钥;
动态密钥;
按需选择的密钥;
至少两级密钥,例如一级密钥和二级密钥。
第二密钥信息除包括至少一个密钥的密钥信息之外,还可包括如下至少一项:
有效性标识信息;
分组标识信息;
扰码标识信息;
可使用广播类型信息;
小区标识信息
TRP标识信息;
发送定位参考信号的波束标识信息;
发送定位参考信号的波束方向信息;
定位参考信号的标识信息;
空间关系标识信息。
在一种实施例中,若加密密钥包括至少一个密钥的密钥信息之外,则可以通过不同的方式发给终端,如一部分密钥在定位辅助数据中,一部分密钥在定位参考信号中;又或者一部分密钥在定位辅助数据中,一部分密钥在广播信息中。又或者一部分密钥在注册请求响应消息或者注册服务请求响应消息中,一部分密钥在广播信息中。
终端在获取到第二密钥信息后,可将第二密钥信息包括在定位辅助数据请求信息中发送给网络侧设备。
第二密钥信息可由LMF发送给终端(单播方式),也可以由LMF将第二密钥信息发送给基站,再由基站通过广播的方式发送第二密钥信息。
终端可将按需选择PRS请求信息发送给LMF,按需选择PRS请求信息可包括的信息如下示例中的一项或多项:
目标PRS配置集合的识别信息;
物理小区标识;
全局小区标识;
用于测量的候选NR TRP的TRP标识;
SSB测量信息;
CSI-RS测量信息;
预期离开角信息;
按需选择选定的PRS辅助信息。
按需选择选定的PRS辅助信息包括如下至少一项:
请求TRP的SSB配置(SSB Configuration for requested TRPs);
所需波束方向(Desired Beam Direction);
DL-PRS配置参数(DL-PRS Configuration Parameter);
最大频率层数(Maximum Number of Frequency Layers);
DL-PRS定位频率层信息(DL-PRS Positioning Frequency Layer Information);
DL-PRS子载波间隔(DL-PRS Subcarrier Spacing);
DL-PRS资源带宽(DL-PRS Resource Bandwidth);
DL-PRS PRB起点(DL-PRS Start PRB);
DL-PRS频域位置起A(DL-PRS PointA);
DL-PRS梳状大小N(DL-PRS Comb Size N);
DL-PRS循环前缀(DL-PRS Cyclic Prefix);
每个频率层的DL-PRS配置(DL-PRS Configuration per Frequency Layer)
DL-PRS标识(标识即ID,也可理解为标识信息);
DL-PRS PCI;
绝对射频频道数(Absolute Radio Frequency Channel Number,ARFCN);
5G标准的小区全球标识(NR Cell Global Identity,NCGI);
DL-PRS资源集的最大数目(Maximum Number of DL-PRS Resource Sets);
DL-PRS资源集信息(DL-PRS Resource Set Information);
DL-PRS资源集标识(DL-PRS Resource Set ID);
DL-PRS周期和资源集时隙偏移(DL-PRS Periodicity and Resource Set Slot Offset);
DL-PRS资源重复因子(DL-PRS Resource Repetition Factor);
DL-PRS资源时间间隔(DL-PRS Resource Time Gap);
DL-PRS符号数(DL-PRS Number of Symbols);
DL-PRS静默选项1(DL-PRS Muting Option 1);
DL-PRS静默选项2(DL-PRS Muting Option 2);
DL-PRS资源功率信息(DL-PRS Resource Power);
每个DL-PRS资源集合中DL-PRS资源的最大数量(Maximum Number of DL-PRS Resources per Set);
DL-PRS资源信息(DL-PRS Resource Information);
DL-PRS资源标识(DL-PRS Resource ID);
DL-PRS序列标识(DL-PRS Sequence ID);
DL-PRS RE偏移(DL-PRS RE Offset);
DL-PRS资源时隙偏移(DL-PRS Resource Slot Offset);
DL-PRS资源符号偏移量(DL-PRS Resource Symbol Offset)。
如表1所述,对应参数为是的情况下,终端或LMF可触发按需选择PRS流程。
表1
Figure PCTCN2022100080-appb-000005
Figure PCTCN2022100080-appb-000006
Figure PCTCN2022100080-appb-000007
如表2所述,对应参数为是的情况下,终端或LMF可触发按需选择PRS流程。
表2
Figure PCTCN2022100080-appb-000008
Figure PCTCN2022100080-appb-000009
请参见图3,图3是本申请实施例提供的一种定位方法的流程图,如图3所示,本申请实施例提供的定位方法,包括:
步骤301、网络侧设备向终端发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;和/或,所述网络侧设备接收所述终端发送的定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
本申请中的终端可理解为订阅了按需选择服务的终端,也可以理解为支持按需选择服务的终端。进一步的可以理解为请求按需选择的终端或者执行按需选择PRS测量的终端。上述中,第一定位辅助数据可由网络侧设备发送,例如位置管理功能(Location Management Function,LMF)、接入和移动性管理功能(Access and Mobility Management Function,AMF)或者基站将第一定位辅助数据发送给终端。。第一定位辅助数据用于指示用于按需选择的PRS的配置信息,例如,所述第一定位辅助数据包括如下至少一项:
用于解析按需选择的PRS的第一密钥信息;
用于按需选择的至少一个PRS配置集合;
用于按需选择的PRS的资源信息;
用于按需选择的PRS的响应信息。
上述中,第一密钥信息用于终端对按需选择(on demand)的PRS的辅助信息进行解析,至少一个PRS配置集合可包括PRS配置集合的标识信息。
上述中于按需选择的PRS可以理解为一个或多个预配置的PRS,也可以理解为,可变化的PRS(即根据R17前的协议,PRS是网络安装或者基站自 行配置的,UE和LMF无法影响其配置),而用于按需选择的PRS则可以根据UE和LMF的请求进行按需选择的配置。
在一种实施例中,PRS可以为定位信号或者用于定位的参考信号,该定位信号包括以下至少一项:DL PRS、信道状态信息参考信号(channel-state information reference signals,CSI-RS)、同步信号块((Synchronization Signal Block,SSB)、追踪参考信号(t racking reference signal,TRS)和探测参考信号。
所述定位辅助数据请求信息携带如下至少一项:
按需选择定位参考信号PRS请求信息;
按需选择PRS密钥请求信息。
具体的,按需选择PRS密钥请求信息用于获取密钥信息,从而根据第一密钥信息对按需选择的PRS的辅助信息进行解析。
本实施例中,网络侧设备向终端发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;和/或,所述网络侧设备接收所述终端发送的定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。网络侧设备可通过发送第一定位辅助数据,和/或接收定位辅助数据请求信息来按需选择PRS,这种动态确定PRS的方式可根据实际情况进行调整,提高了PRS确定的灵活性,提高PRS的有效利用率。
按需选择PRS可由网络侧设备进行选择,也可以由终端进行选择。
按需选择PRS密钥请求信息可携带在定位辅助数据请求信息中与按需选择PRS请求信息一起发送,此种情况下,定位辅助数据请求信息携带按需选择PRS密钥请求信息和按需选择PRS请求信息,终端可将该定位辅助数据请求信息发送给LMF。按需选择PRS密钥请求信息也可以与按需选择PRS请求信息分开发送,即按需选择PRS请求信息携带在定位辅助数据请求信息中发送,按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或LPP消息中发送。
所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS时域资源;
所述网络侧设备用于按需选择的PRS频域资源;
所述网络侧设备用于按需选择的PRS的带宽;
所述网络侧设备用于按需选择的PRS的持续时间;
所述网络侧设备用于按需选择的PRS的周期;
所述网络侧设备用于按需选择的PRS的时域偏移;
所述网络侧设备用于按需选择的PRS的起始时间;
所述网络侧设备用于按需选择的PRS的符号;
所述网络侧设备用于按需选择的PRS的重复次数。
具体的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
所述网络侧设备用于按需选择的PRS的最大TRP数目;
所述网络侧设备用于按需选择的PRS的最大带宽;
所述网络侧设备用于按需选择的PRS的最长持续时间;
所述网络侧设备用于按需选择的PRS的最小周期;
所述网络侧设备用于按需选择的PRS的最大周期;
所述网络侧设备用于按需选择的PRS的最早时域偏移;
所述网络侧设备用于按需选择的PRS的最早起始时间;
所述网络侧设备用于按需选择的PRS的最大符号数;
所述网络侧设备用于按需选择的PRS的最大重复次数。
所述用于按需选择的PRS的响应信息包括如下至少一项:
错误指示信息;
错误类型信息;
无可用资源信息;
错误原因信息;
肯定确认ACK信息;
否定确认NACK信息;
不支持按需选择PRS信息;
目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目 标PRS配置集合;
请求成功指示信息或请求失败指示信息;
配置成功指示信息或配置失败指示信息;
所述目标PRS配置集合的配置信息。
所述至少一个PRS配置集合包括目标PRS配置集合。所述定位辅助数据请求信息携带按需选择PRS请求信息;
所述按需选择PRS请求信息包括如下至少一项:
所述目标PRS配置集合的标识信息;
所述终端的位置信息;
配置参数。
其中,所述配置参数包括如下至少一项:
所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
用于测量按需选择的PRS的测量窗信息;
用于配置按需选择的PRS的配置窗信息;
选定的发送接收点TRP集合;
选定的TRP数目;
选定的TRP标识信息;
选定的定位参考信号资源集合;
选定的定位参考信号资源;
选定的定位参考信号的标识信息;
选定的定位参考信号资源集数目;
选定的定位参考信号资源数目;
选定的定位参考信号资源集合的标识信息。
所述按需选择PRS请求信息包括如下至少一项:
用于指示按需选择PRS的指示信息;
按需选择的PRS的辅助信息;
所述终端的位置信息;
预期离开角信息;
所述终端测量的同步信号块SSB的测量信息;
所述终端测量的信道状态信息参考信号CSI-RS的测量信息。
可选的,上述定位方法还包括:
所述网络侧设备发送第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
目标PRS的激活信息。
目标PRS可由网络侧设备选定或配置,目标PRS为目标PRS配置集合中的PRS。值得注意的是所述为目标PRS为至少一个PRS或者至少一组PRS(此种情况下,目标PRS包括多个PRS)。若目标PRS的配置信息配置了至少两个PRS配置或至少两组PRS配置,则终端可能还需要目标PRS的激活信息对配置的PRS进行激活。此种情况下,第二定位辅助数据可包括目标PRS的配置信息和目标PRS的激活信息,或者,目标PRS的配置信息和目标PRS的激活信息在不同的信息单元中传输,如若第二定位辅助数据仅包括目标PRS的配置信息,则终端需要另外获取目标PRS的激活信息。若目标PRS的配置信息仅配置一个PRS配置或一组PRS配置,则终端不需要对配置的PRS进行激活。
上述目标PRS满足如下至少一项:
在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲 突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
上述中,第二PRS为除所述目标PRS之外的PRS,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,所述方法还包括如下其中一项:
所述网络侧设备根据所述目标PRS的优先级和所述第二PRS的优先级,发送所述目标PRS或所述第二PRS;
所述网络侧设备期待取消所述第二PRS的发送;
所述网络侧设备发送所述目标PRS和所述第二PRS;
所述网络侧设备发送用于指示是否发送所述第二PRS的指示信息。
可选的,所述定位方法还包括:
所述网络侧设备发送第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS,目标PRS可由网络侧设备选定,目标PRS为目标PRS配置集合中的PRS。
第二密钥信息可携带在网络侧设备发送的定位辅助数据中,例如第一定位辅助数据,或者其他时刻接收到的定位辅助数据;第二密钥信息也可以携带在网络侧设备基于终端发送的按需选择PRS密钥请求信息的响应消息中。第二密钥信息还可以携带在广播信息中。
所述第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
时间信息,例如,持续时间信息,有效起始时间信息,有效终止时间信息等等;
区域信息,例如,在特定的区域下有效,如小区范围,TAG范围,预期角度范围,PRS资源覆盖范围,发送定位参考信号的波束标识信息、发送定位参考信号的波束方向信息等;
事件信息,例如,事件发生时密钥失效;
空间关系信息,例如,特定空间关系下有效。
所述第二密钥信息包括至少一个密钥的密钥信息;
所述至少一个密钥包括如下至少一项:
静态密钥;
动态密钥;
按需选择的密钥;
至少两级密钥,例如一级密钥和二级密钥。
第二密钥信息除包括至少一个密钥的密钥信息之外,还可包括如下至少一项:
有效性标识信息;
分组标识信息;
扰码标识信息;
可使用广播类型信息;
小区标识信息
TRP标识信息;
发送定位参考信号的波束标识信息;
发送定位参考信号的波束方向信息;
定位参考信号的标识信息;
空间关系标识信息。
第二密钥信息可由LMF发送给终端(单播方式),也可以由LMF将第二密钥信息发送给基站,再由基站通过广播的方式发送第二密钥信息。
图4a所示为本申请实施例提供的一种密钥信息(即第二密钥信息)获取过程的一种流程示意图,如图4a所示,LMF在接收到终端发送的按需选择PRS密钥请求信息后,获取并存储加密密钥信息,然后将加密密钥信息发送给终端。
图4b所示示为本申请实施例提供的一种密钥信息(即第二密钥信息)获取过程的另一种流程示意图,如图4b所示,加密密钥信息由基站通过广播的方式发送给终端。
图4c所示为本申请实施例提供的一种定位方法的流程示意图;如图4c所示,在执行步骤432之前可以执行步骤431,也可以在执行步骤432之前不执行步骤431。
需要说明的是,本申请实施例提供的定位方法,执行主体可以为定位装置,或者,该定位装置中的用于执行定位方法的控制模块。
以下实施例中以定位装置执行定位方法为例,说明本申请实施例提供的定位装置。
请参见图5,图5是本申请实施例提供的一种定位装置的结构图,第一定位装置500,包括:
第一接收模块501,用于接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
第一发送模块502,用于发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
可选的,所述第一定位辅助数据包括如下至少一项:
用于解析按需选择的PRS的第一密钥信息;
用于按需选择的至少一个PRS配置集合;
用于按需选择的PRS的资源信息;
用于按需选择的PRS的响应信息。
可选的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS时域资源;
所述网络侧设备用于按需选择的PRS频域资源;
所述网络侧设备用于按需选择的PRS的带宽;
所述网络侧设备用于按需选择的PRS的持续时间;
所述网络侧设备用于按需选择的PRS的周期;
所述网络侧设备用于按需选择的PRS的时域偏移;
所述网络侧设备用于按需选择的PRS的起始时间;
所述网络侧设备用于按需选择的PRS的符号;
所述网络侧设备用于按需选择的PRS的重复次数。
可选的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
所述网络侧设备用于按需选择的PRS的最大TRP数目;
所述网络侧设备用于按需选择的PRS的最大带宽;
所述网络侧设备用于按需选择的PRS的最长持续时间;
所述网络侧设备用于按需选择的PRS的最小周期;
所述网络侧设备用于按需选择的PRS的最大周期;
所述网络侧设备用于按需选择的PRS的最早时域偏移;
所述网络侧设备用于按需选择的PRS的最早起始时间;
所述网络侧设备用于按需选择的PRS的最大符号数;
所述网络侧设备用于按需选择的PRS的最大重复次数。
可选的,所述用于按需选择的PRS的响应信息包括如下至少一项:
错误指示信息;
错误类型信息;
无可用资源信息;
错误原因信息;
肯定确认ACK信息;
否定确认NACK信息;
不支持按需选择PRS信息;
目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目标PRS配置集合;
请求成功指示信息或请求失败指示信息;
配置成功指示信息或配置失败指示信息;
所述目标PRS配置集合的配置信息。
可选的,所述定位辅助数据请求信息携带如下至少一项:
按需选择定位参考信号PRS请求信息;
按需选择PRS密钥请求信息。
可选的,所述装置还包括第二发送模块,用于:
发送按需选择PRS密钥请求信息,其中,所述按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或长期演进定位协议消息中。
可选的,在所述终端处于连接态的情况下,所述预设服务请求消息为未携带协议数据单元PDU的服务请求消息;
或者,
在所述终端处于连接态的情况下,所述预设服务请求消息为携带按需选择PRS密钥请求信息的服务请求消息;
或者,
在所述终端处于非连接态的情况下,所述预设服务请求消息通过信令无线承载SRB2或数据无线承载DRB发送。
可选的,所述按需选择PRS密钥请求信息的发送基于如下至少一项触发:
第一预设服务质量Qos条件;
所述终端定位信号测量的测量质量小于第一阈值;
所述终端定位的位置信息的定位质量小于第二阈值;
所述终端定位的位置信息不满足第二预设Qos条件;
所述终端接收到按需选择PRS测量请求信息或所述第一定位辅助数据,所述按需选择PRS测量请求信息用于指示对按需选择的PRS进行测量;
所述终端定位信号测量的测量结果小于或大于第三阈值;
所述终端订阅按需选择PRS服务。
可选的,所述至少一个PRS配置集合包括目标PRS配置集合。
可选的,所述定位辅助数据请求信息携带按需选择PRS请求信息;
所述按需选择PRS请求信息包括如下至少一项:
所述目标PRS配置集合的标识信息;
所述终端的位置信息;
配置参数。
可选的,所述定位辅助数据请求信息在所述目标PRS配置集合满足第一条件的情况下发送;
其中,所述第一条件包括如下至少一项:
所述目标PRS配置集合中的至少一个配置参数包括多个可选值;
所述目标PRS配置集合中的至少一个配置参数不满足所述终端的预设需求;
所述目标PRS配置集合中的至少一个配置参数为缺省的配置参数;
所述目标PRS配置集合中的至少一个配置参数包括最大可配置范围信息;
所述目标PRS配置集合中的至少一个配置参数包括该配置参数可取值的最大值。
可选的,所述配置参数包括如下至少一项:
所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
用于测量按需选择的PRS的测量窗信息;
用于配置按需选择的PRS的配置窗信息;
选定的发送接收点TRP集合;
选定的TRP数目;
选定的TRP标识信息;
选定的定位参考信号资源集合;
选定的定位参考信号资源;
选定的定位参考信号的标识信息;
选定的定位参考信号资源集数目;
选定的定位参考信号资源数目;
选定的定位参考信号资源集合的标识信息。
可选的,所述按需选择PRS请求信息包括如下至少一项:
用于指示按需选择PRS的指示信息;
按需选择的PRS的辅助信息;
所述终端的位置信息;
预期离开角信息;
所述终端测量的同步信号块SSB的测量信息;
所述终端测量的CSI-RS的测量信息。
可选的,所述装置还包括第二接收模块,用于:
接收第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
目标PRS的激活信息。
可选的,所述目标PRS满足如下至少一项:
在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
可选的,第二PRS为除所述目标PRS之外的PRS,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,所述装置还包括:
第三接收模块,用于根据所述目标PRS的优先级和所述第二PRS的优先级,接收所述目标PRS或所述第二PRS;
设置模块,用于期待取消所述第二PRS的发送;
第四接收模块,用于接收所述目标PRS和所述第二PRS;
第五接收模块,用于接收用于指示是否发送所述第二PRS的指示信息。
可选的,所述装置还包括第六接收模块,用于
接收第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS。
可选的,所述第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
时间信息;
区域信息;
事件信息;
空间关系信息。
可选的,所述第二密钥信息包括至少一个密钥的密钥信息;
所述至少一个密钥包括如下至少一项:
静态密钥;
动态密钥;
按需选择的密钥;
至少两级密钥。
可选的,所述第二密钥信息还包括如下至少一项:
有效性标识信息;
分组标识信息;
扰码标识信息;
可使用广播类型信息;
小区标识信息
TRP标识信息;
发送定位参考信号的波束标识信息;
发送定位参考信号的波束方向信息;
定位参考信号的标识信息;
空间关系标识信息。
本申请实施例中的第一定位装置500可以是装置,也可以是终端中的部件、集成电路、或芯片。
本申请实施例中的第一定位装置500可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的第一定位装置500能够实现图2的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
请参见图6,图6是本申请实施例提供的一种定位装置的结构图,第二定位装置600,包括:
第二发送模块601,用于向终端发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
第二接收模块602,用于接收所述终端发送的定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
可选的,所述第一定位辅助数据包括如下至少一项:
用于解析按需选择的PRS的第一密钥信息;
用于按需选择的至少一个PRS配置集合;
用于按需选择的PRS的资源信息;
用于按需选择的PRS的响应信息。
可选的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS时域资源;
所述网络侧设备用于按需选择的PRS频域资源;
所述网络侧设备用于按需选择的PRS的带宽;
所述网络侧设备用于按需选择的PRS的持续时间;
所述网络侧设备用于按需选择的PRS的周期;
所述网络侧设备用于按需选择的PRS的时域偏移;
所述网络侧设备用于按需选择的PRS的起始时间;
所述网络侧设备用于按需选择的PRS的符号;
所述网络侧设备用于按需选择的PRS的重复次数。
可选的,所述用于按需选择的PRS的资源信息包括如下至少一项:
所述网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
所述网络侧设备用于按需选择的PRS的最大TRP数目;
所述网络侧设备用于按需选择的PRS的最大带宽;
所述网络侧设备用于按需选择的PRS的最长持续时间;
所述网络侧设备用于按需选择的PRS的最小周期;
所述网络侧设备用于按需选择的PRS的最大周期;
所述网络侧设备用于按需选择的PRS的最早时域偏移;
所述网络侧设备用于按需选择的PRS的最早起始时间;
所述网络侧设备用于按需选择的PRS的最大符号数;
所述网络侧设备用于按需选择的PRS的最大重复次数。
可选的,所述用于按需选择的PRS的响应信息包括如下至少一项:
错误指示信息;
错误类型信息;
无可用资源信息;
错误原因信息;
肯定确认ACK信息;
否定确认NACK信息;
不支持按需选择PRS信息;
目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目标PRS配置集合;
请求成功指示信息或请求失败指示信息;
配置成功指示信息或配置失败指示信息;
所述目标PRS配置集合的配置信息。
可选的,所述定位辅助数据请求信息携带如下至少一项:
按需选择定位参考信号PRS请求信息;
按需选择PRS密钥请求信息。
可选的,所述装置还包括第三接收模块,用于:
接收按需选择PRS密钥请求信息,其中,所述按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或长期演进定位协议消息中。
可选的,所述至少一个PRS配置集合包括目标PRS配置集合。
可选的,所述定位辅助数据请求信息携带按需选择PRS请求信息;
所述按需选择PRS请求信息包括如下至少一项:
所述目标PRS配置集合的标识信息;
所述终端的位置信息;
配置参数。
可选的,所述配置参数包括如下至少一项:
所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
用于测量按需选择的PRS的测量窗信息;
用于配置按需选择的PRS的配置窗信息;
选定的发送接收点TRP集合;
选定的TRP数目;
选定的TRP标识信息;
选定的定位参考信号资源集合;
选定的定位参考信号资源;
选定的定位参考信号的标识信息;
选定的定位参考信号资源集数目;
选定的定位参考信号资源数目;
选定的定位参考信号资源集合的标识信息。
可选的,所述按需选择PRS请求信息包括如下至少一项:
用于指示按需选择PRS的指示信息;
按需选择的PRS的辅助信息;
所述终端的位置信息;
预期离开角信息;
所述终端测量的同步信号块SSB的测量信息;
所述终端测量的CSI-RS的测量信息。
可选的,所述装置还包括第三发送模块,用于:
发送第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
目标PRS的激活信息。
可选的,所述目标PRS满足如下至少一项:
在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
可选的,第二PRS为除所述目标PRS之外的PRS,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,所述方法还包括如下其中一项:
所述网络侧设备根据所述目标PRS的优先级和所述第二PRS的优先级,发送所述目标PRS或所述第二PRS;
所述网络侧设备期待取消所述第二PRS的发送;
所述网络侧设备发送所述目标PRS和所述第二PRS;
所述网络侧设备发送用于指示是否发送所述第二PRS的指示信息。
可选的,所述装置还包括第四发送模块,用于:
发送第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS。
可选的,所述第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
时间信息;
区域信息;
事件信息;
空间关系信息。
可选的,所述第二密钥信息包括至少一个密钥的密钥信息;
所述至少一个密钥包括如下至少一项:
静态密钥;
动态密钥;
按需选择的密钥;
至少两级密钥。
可选的,所述第二密钥信息还包括如下至少一项:
有效性标识信息;
分组标识信息;
扰码标识信息;
可使用广播类型信息;
小区标识信息
TRP标识信息;
发送定位参考信号的波束标识信息;
发送定位参考信号的波束方向信息;
定位参考信号的标识信息;
空间关系标识信息。
本申请实施例提供的第二定位装置600能够实现图3的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图7所示,本申请实施例还提供一种通信设备70,包括处理器71,存储器72,存储在存储器72上并可在所述处理器71上运行的程序或指令,例如,该通信设备70为终端时,该程序或指令被处理器71执行时实现上述图2所示的定位方法实施例的各个过程,且能达到相同的技术效果。该通信设备70为网络侧设备时,该程序或指令被处理器71执行时实现上述图3所示的定位方法实施例的各个过程,且能达到相同的技术效果。
图8为实现本申请实施例的一种终端的硬件结构示意图。
该终端1000包括但不限于:射频单元1001、网络模块1002、音频输出单元1003、输入单元1004、传感器1005、显示单元1006、用户输入单元1007、接口单元1008、存储器1009、以及处理器1010等部件。
本领域技术人员可以理解,终端1000还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器1010逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图8中示出的终端结构并不构成对终端的限定,终端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,在此不再赘述。
应理解的是,本申请实施例中,输入单元1004可以包括图形处理器(Graphics Processing Unit,GPU)10041和麦克风10042,图形处理器10041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元1006可包括显示面板10061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板10061。用户输入单元1007包括触控面板10071以及其他输入设备10072。触控面板10071,也称为触摸屏。触控面板10071可包括触摸检测装置和触摸控制器两个部分。其他输入设备10072可以包括但不限于物理键盘、功能键(比如音量控制按 键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元1001将来自网络侧设备的下行数据接收后,给处理器1010处理;另外,将上行的数据发送给基站。通常,射频单元1001包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1009可用于存储软件程序或指令以及各种数据。存储器1009可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器1009可以包括高速随机存取存储器,还可以包括非易失性存储器,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。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器1010可包括一个或多个处理单元;可选的,处理器1010可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序或指令等,调制解调处理器主要处理无线通信,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器1010中。
其中,射频单元1001,用于接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的PRS的配置信息;
和/或,
发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
可选的,所述第一定位辅助数据包括如下至少一项:
用于解析按需选择的PRS的第一密钥信息;
用于按需选择的至少一个PRS配置集合;
用于按需选择的PRS的资源信息;
用于按需选择的PRS的响应信息。
可选的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS时域资源;
所述网络侧设备用于按需选择的PRS频域资源;
所述网络侧设备用于按需选择的PRS的带宽;
所述网络侧设备用于按需选择的PRS的持续时间;
所述网络侧设备用于按需选择的PRS的周期;
所述网络侧设备用于按需选择的PRS的时域偏移;
所述网络侧设备用于按需选择的PRS的起始时间;
所述网络侧设备用于按需选择的PRS的符号;
所述网络侧设备用于按需选择的PRS的重复次数。
可选的,所述用于按需选择的PRS的资源信息包括如下至少一项:
网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
所述网络侧设备用于按需选择的PRS的最大TRP数目;
所述网络侧设备用于按需选择的PRS的最大带宽;
所述网络侧设备用于按需选择的PRS的最长持续时间;
所述网络侧设备用于按需选择的PRS的最小周期;
所述网络侧设备用于按需选择的PRS的最大周期;
所述网络侧设备用于按需选择的PRS的最早时域偏移;
所述网络侧设备用于按需选择的PRS的最早起始时间;
所述网络侧设备用于按需选择的PRS的最大符号数;
所述网络侧设备用于按需选择的PRS的最大重复次数。
可选的,所述用于按需选择的PRS的响应信息包括如下至少一项:
错误指示信息;
错误类型信息;
无可用资源信息;
错误原因信息;
肯定确认ACK信息;
否定确认NACK信息;
不支持按需选择PRS信息;
目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目标PRS配置集合;
请求成功指示信息或请求失败指示信息;
配置成功指示信息或配置失败指示信息;
所述目标PRS配置集合的配置信息。
可选的,所述定位辅助数据请求信息携带如下至少一项:
按需选择定位参考信号PRS请求信息;
按需选择PRS密钥请求信息。
可选的,射频单元1001,还用于:
发送按需选择PRS密钥请求信息,其中,所述按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或长期演进定位协议消息中。
可选的,在所述终端处于连接态的情况下,所述预设服务请求消息为未携带协议数据单元PDU的服务请求消息;
或者,
在所述终端处于连接态的情况下,所述预设服务请求消息为携带按需选择PRS密钥请求信息的服务请求消息;
或者,
在所述终端处于非连接态的情况下,所述预设服务请求消息通过信令无线承载SRB2或数据无线承载DRB发送。
可选的,所述按需选择PRS密钥请求信息的发送基于如下至少一项触发:
第一预设服务质量Qos条件;
所述终端定位信号测量的测量质量小于第一阈值;
所述终端定位的位置信息的定位质量小于第二阈值;
所述终端定位的位置信息不满足第二预设Qos条件;
所述终端接收到按需选择PRS测量请求信息或所述第一定位辅助数据,所述按需选择PRS测量请求信息用于指示对按需选择的PRS进行测量;
所述终端定位信号测量的测量结果小于或大于第三阈值;
所述终端订阅按需选择PRS服务。
可选的,所述至少一个PRS配置集合包括目标PRS配置集合。
可选的,所述定位辅助数据请求信息携带按需选择PRS请求信息;
所述按需选择PRS请求信息包括如下至少一项:
所述目标PRS配置集合的标识信息;
所述终端的位置信息;
配置参数。
可选的,所述定位辅助数据请求信息在所述目标PRS配置集合满足第一条件的情况下发送;
其中,所述第一条件包括如下至少一项:
所述目标PRS配置集合中的至少一个配置参数包括多个可选值;
所述目标PRS配置集合中的至少一个配置参数不满足所述终端的预设需求;
所述目标PRS配置集合中的至少一个配置参数为缺省的配置参数;
所述目标PRS配置集合中的至少一个配置参数包括最大可配置范围信息;
所述目标PRS配置集合中的至少一个配置参数包括该配置参数可取值的最大值。
可选的,所述配置参数包括如下至少一项:
所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
用于测量按需选择的PRS的测量窗信息;
用于配置按需选择的PRS的配置窗信息;
选定的发送接收点TRP集合;
选定的TRP数目;
选定的TRP标识信息;
选定的定位参考信号资源集合;
选定的定位参考信号资源;
选定的定位参考信号的标识信息;
选定的定位参考信号资源集数目;
选定的定位参考信号资源数目;
选定的定位参考信号资源集合的标识信息。
可选的,所述按需选择PRS请求信息包括如下至少一项:
用于指示按需选择PRS的指示信息;
按需选择的PRS的辅助信息;
所述终端的位置信息;
预期离开角信息;
所述终端测量的同步信号块SSB的测量信息;
所述终端测量的CSI-RS的测量信息。
可选的,射频单元1001,还用于接收第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
目标PRS的激活信息。
可选的,所述目标PRS满足如下至少一项:
在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
可选的,第二PRS为除所述目标PRS之外的PRS,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,所述方法还包括如下其中一项:
所述终端根据所述目标PRS的优先级和所述第二PRS的优先级,接收所述目标PRS或所述第二PRS;
所述终端期待取消所述第二PRS的发送;
所述终端接收所述目标PRS和所述第二PRS;
所述终端接收用于指示是否发送所述第二PRS的指示信息。
可选的,射频单元1001,还用于接收第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS。
可选的,所述第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
时间信息;
区域信息;
事件信息;
空间关系信息。
可选的,所述第二密钥信息包括至少一个密钥的密钥信息;
所述至少一个密钥包括如下至少一项:
静态密钥;
动态密钥;
按需选择的密钥;
至少两级密钥。
可选的,所述第二密钥信息还包括如下至少一项:
有效性标识信息;
分组标识信息;
扰码标识信息;
可使用广播类型信息;
小区标识信息
TRP标识信息;
发送定位参考信号的波束标识信息;
发送定位参考信号的波束方向信息;
定位参考信号的标识信息;
空间关系标识信息。
上述实施例提供的终端1000能够实现图2的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
具体地,本申请实施例还提供了一种网络侧设备。如图9所示,该网络设备900包括:天线91、射频装置92、基带装置93。天线91与射频装置92连接。在上行方向上,射频装置92通过天线91接收信息,将接收的信息发送给基带装置93进行处理。在下行方向上,基带装置93对要发送的信息进行处理,并发送给射频装置92,射频装置92对收到的信息进行处理后经过天线91发送出去。
上述频带处理装置可以位于基带装置93中,以上实施例中网络侧设备执行的方法可以在基带装置93中实现,该基带装置93包括处理器94和存储器95。
基带装置93例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图9所示,其中一个芯片例如为处理器94,与存储器95连接,以调用存储器95中的程序,执行以上方法实施例中所示的网络设备操作。
该基带装置93还可以包括网络接口96,用于与射频装置92交互信息,该接口例如为通用公共无线接口(common public radio interface,简称CPRI)。
具体地,本发明实施例的网络侧设备还包括:存储在存储器95上并可在处理器94上运行的指令或程序,处理器94调用存储器95中的指令或程序执行图7所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现图2或图3所述方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端或者网络侧设备中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现上述图2或图3方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序产品,其中,所述计算机程序产品被存储在可读存储介质中,所述计算机程序产品被至少一个处理执行以实现上述图2或图3方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (51)

  1. 一种定位方法,包括:
    终端接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的定位参考信号PRS的配置信息;
    和/或,
    所述终端发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
  2. 根据权利要求1所述的方法,其中,所述第一定位辅助数据包括如下至少一项:
    用于解析按需选择的PRS的第一密钥信息;
    用于按需选择的至少一个PRS配置集合;
    用于按需选择的PRS的资源信息;
    用于按需选择的PRS的响应信息。
  3. 根据权利要求2所述的方法,其中,所述用于按需选择的PRS的资源信息包括如下至少一项:
    网络侧设备用于按需选择的PRS时域资源;
    所述网络侧设备用于按需选择的PRS频域资源;
    所述网络侧设备用于按需选择的PRS的带宽;
    所述网络侧设备用于按需选择的PRS的持续时间;
    所述网络侧设备用于按需选择的PRS的周期;
    所述网络侧设备用于按需选择的PRS的时域偏移;
    所述网络侧设备用于按需选择的PRS的起始时间;
    所述网络侧设备用于按需选择的PRS的符号;
    所述网络侧设备用于按需选择的PRS的重复次数。
  4. 根据权利要求2所述的方法,其中,所述用于按需选择的PRS的资源信息包括如下至少一项:
    网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
    所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
    所述网络侧设备用于按需选择的PRS的最大TRP数目;
    所述网络侧设备用于按需选择的PRS的最大带宽;
    所述网络侧设备用于按需选择的PRS的最长持续时间;
    所述网络侧设备用于按需选择的PRS的最小周期;
    所述网络侧设备用于按需选择的PRS的最大周期;
    所述网络侧设备用于按需选择的PRS的最早时域偏移;
    所述网络侧设备用于按需选择的PRS的最早起始时间;
    所述网络侧设备用于按需选择的PRS的最大符号数;
    所述网络侧设备用于按需选择的PRS的最大重复次数。
  5. 根据权利要求2所述的方法,其中,所述用于按需选择的PRS的响应信息包括如下至少一项:
    错误指示信息;
    错误类型信息;
    无可用资源信息;
    错误原因信息;
    肯定确认ACK信息;
    否定确认NACK信息;
    不支持按需选择PRS信息;
    目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目标PRS配置集合;
    请求成功指示信息或请求失败指示信息;
    配置成功指示信息或配置失败指示信息;
    所述目标PRS配置集合的配置信息。
  6. 根据权利要求1所述的方法,其中,所述定位辅助数据请求信息携带如下至少一项:
    按需选择定位参考信号PRS请求信息;
    按需选择PRS密钥请求信息。
  7. 根据权利要求1所述的方法,其中,所述方法还包括:
    所述终端发送按需选择PRS密钥请求信息,其中,所述按需选择PRS密 钥请求信息携带在预设服务请求消息、预设注册请求消息或长期演进定位协议消息中。
  8. 根据权利要求7所述的方法,其中,在所述终端处于连接态的情况下,所述预设服务请求消息为未携带协议数据单元PDU的服务请求消息;
    或者,
    在所述终端处于连接态的情况下,所述预设服务请求消息为携带按需选择PRS密钥请求信息的服务请求消息;
    或者,
    在所述终端处于非连接态的情况下,所述预设服务请求消息通过信令无线承载SRB2或数据无线承载DRB发送。
  9. 根据权利要求6所述的方法,其中,所述按需选择PRS密钥请求信息的发送基于如下至少一项触发:
    第一预设服务质量Qos条件;
    所述终端定位信号测量的测量质量小于第一阈值;
    所述终端定位的位置信息的定位质量小于第二阈值;
    所述终端定位的位置信息不满足第二预设Qos条件;
    所述终端接收到按需选择PRS测量请求信息或所述第一定位辅助数据,所述按需选择PRS测量请求信息用于指示对按需选择的PRS进行测量;
    所述终端定位信号测量的测量结果小于或大于第三阈值;
    所述终端订阅按需选择PRS服务。
  10. 根据权利要求2所述的方法,其中,所述至少一个PRS配置集合包括目标PRS配置集合。
  11. 根据权利要求10所述的方法,其中,所述定位辅助数据请求信息携带按需选择PRS请求信息;
    所述按需选择PRS请求信息包括如下至少一项:
    所述目标PRS配置集合的标识信息;
    所述终端的位置信息;
    配置参数。
  12. 根据权利要求10所述的方法,其中,所述定位辅助数据请求信息在 所述目标PRS配置集合满足第一条件的情况下发送;
    其中,所述第一条件包括如下至少一项:
    所述目标PRS配置集合中的至少一个配置参数包括多个可选值;
    所述目标PRS配置集合中的至少一个配置参数不满足所述终端的预设需求;
    所述目标PRS配置集合中的至少一个配置参数为缺省的配置参数;
    所述目标PRS配置集合中的至少一个配置参数包括最大可配置范围信息;
    所述目标PRS配置集合中的至少一个配置参数包括该配置参数可取值的最大值。
  13. 根据权利要求11或12所述的方法,其中,所述配置参数包括如下至少一项:
    所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
    所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
    所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
    所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
    用于测量按需选择的PRS的测量窗信息;
    用于配置按需选择的PRS的配置窗信息;
    选定的发送接收点TRP集合;
    选定的TRP数目;
    选定的TRP标识信息;
    选定的定位参考信号资源集合;
    选定的定位参考信号资源;
    选定的定位参考信号的标识信息;
    选定的定位参考信号资源集数目;
    选定的定位参考信号资源数目;
    选定的定位参考信号资源集合的标识信息。
  14. 根据权利要求6所述的方法,其中,所述按需选择PRS请求信息包括如下至少一项:
    用于指示按需选择PRS的指示信息;
    按需选择的PRS的辅助信息;
    所述终端的位置信息;
    预期离开角信息;
    所述终端测量的同步信号块SSB的测量信息;
    所述终端测量的信道状态信息参考信号CSI-RS的测量信息。
  15. 根据权利要求1所述的方法,其中,在所述终端发送定位辅助数据请求信息之后,所述方法还包括:
    所述终端接收第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
    目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
    目标PRS的激活信息。
  16. 根据权利要求15所述的方法,其中,所述目标PRS满足如下至少一项:
    在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
    第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
    第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
    非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
    第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
    第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
  17. 根据权利要求15所述的方法,其中,第二PRS为除所述目标PRS之外的PRS,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,所述方法还包括如下其中一项:
    所述终端根据所述目标PRS的优先级和所述第二PRS的优先级,接收所述目标PRS或所述第二PRS;
    所述终端期待取消所述第二PRS的发送;
    所述终端接收所述目标PRS和所述第二PRS;
    所述终端接收用于指示是否发送所述第二PRS的指示信息。
  18. 根据权利要求6所述的方法,其中,所述方法还包括:
    所述终端接收第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS。
  19. 根据权利要求18所述的方法,其中,所述第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
    时间信息;
    区域信息;
    事件信息;
    空间关系信息。
  20. 根据权利要求18所述的方法,其中,所述第二密钥信息包括至少一个密钥的密钥信息;
    所述至少一个密钥包括如下至少一项:
    静态密钥;
    动态密钥;
    按需选择的密钥;
    至少两级密钥。
  21. 根据权利要求20所述的方法,其中,所述第二密钥信息还包括如下至少一项:
    有效性标识信息;
    分组标识信息;
    扰码标识信息;
    可使用广播类型信息;
    小区标识信息
    TRP标识信息;
    发送定位参考信号的波束标识信息;
    发送定位参考信号的波束方向信息;
    定位参考信号的标识信息;
    空间关系标识信息。
  22. 一种定位方法,包括:
    网络侧设备向终端发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的定位参考信号PRS的配置信息;
    和/或,
    所述网络侧设备接收所述终端发送的定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
  23. 根据权利要求22所述的方法,其中,所述第一定位辅助数据包括如下至少一项:
    用于解析按需选择的PRS的第一密钥信息;
    用于按需选择的至少一个PRS配置集合;
    用于按需选择的PRS的资源信息;
    用于按需选择的PRS的响应信息。
  24. 根据权利要求23所述的方法,其中,所述用于按需选择的PRS的资源信息包括如下至少一项:
    所述网络侧设备用于按需选择的PRS时域资源;
    所述网络侧设备用于按需选择的PRS频域资源;
    所述网络侧设备用于按需选择的PRS的带宽;
    所述网络侧设备用于按需选择的PRS的持续时间;
    所述网络侧设备用于按需选择的PRS的周期;
    所述网络侧设备用于按需选择的PRS的时域偏移;
    所述网络侧设备用于按需选择的PRS的起始时间;
    所述网络侧设备用于按需选择的PRS的符号;
    所述网络侧设备用于按需选择的PRS的重复次数。
  25. 根据权利要求23所述的方法,其中,所述用于按需选择的PRS的资源信息包括如下至少一项:
    所述网络侧设备用于按需选择的PRS最大定位参考信号资源数目;
    所述网络侧设备用于按需选择的PRS最大定位参考信号资源集合数目;
    所述网络侧设备用于按需选择的PRS的最大TRP数目;
    所述网络侧设备用于按需选择的PRS的最大带宽;
    所述网络侧设备用于按需选择的PRS的最长持续时间;
    所述网络侧设备用于按需选择的PRS的最小周期;
    所述网络侧设备用于按需选择的PRS的最大周期;
    所述网络侧设备用于按需选择的PRS的最早时域偏移;
    所述网络侧设备用于按需选择的PRS的最早起始时间;
    所述网络侧设备用于按需选择的PRS的最大符号数;
    所述网络侧设备用于按需选择的PRS的最大重复次数。
  26. 根据权利要求23所述的方法,其中,所述用于按需选择的PRS的响应信息包括如下至少一项:
    错误指示信息;
    错误类型信息;
    无可用资源信息;
    错误原因信息;
    肯定确认ACK信息;
    否定确认NACK信息;
    不支持按需选择PRS信息;
    目标PRS配置集合的标识信息,所述至少一个PRS配置集合包括所述目标PRS配置集合;
    请求成功指示信息或请求失败指示信息;
    配置成功指示信息或配置失败指示信息;
    所述目标PRS配置集合的配置信息。
  27. 根据权利要求22所述的方法,其中,所述定位辅助数据请求信息携带如下至少一项:
    按需选择定位参考信号PRS请求信息;
    按需选择PRS密钥请求信息。
  28. 根据权利要求22所述的方法,其中,所述方法还包括:
    所述网络侧设备接收按需选择PRS密钥请求信息,其中,所述按需选择PRS密钥请求信息携带在预设服务请求消息、预设注册请求消息或长期演进 定位协议消息中。
  29. 根据权利要求26所述的方法,其中,所述至少一个PRS配置集合包括目标PRS配置集合。
  30. 根据权利要求29所述的方法,其中,所述定位辅助数据请求信息携带按需选择PRS请求信息;
    所述按需选择PRS请求信息包括如下至少一项:
    所述目标PRS配置集合的标识信息;
    所述终端的位置信息;
    配置参数。
  31. 根据权利要求30所述的方法,其中,所述配置参数包括如下至少一项:
    所述目标PRS配置集合的标识信息对应的PRS的带宽信息;
    所述目标PRS配置集合的标识信息对应的PRS的发送的起始时间;
    所述目标PRS配置集合的标识信息对应的PRS的发送的终止时间;
    所述目标PRS配置集合的标识信息对应的PRS的发送的持续时间;
    用于测量按需选择的PRS的测量窗信息;
    用于配置按需选择的PRS的配置窗信息;
    选定的发送接收点TRP集合;
    选定的TRP数目;
    选定的TRP标识信息;
    选定的定位参考信号资源集合;
    选定的定位参考信号资源;
    选定的定位参考信号的标识信息;
    选定的定位参考信号资源集数目;
    选定的定位参考信号资源数目;
    选定的定位参考信号资源集合的标识信息。
  32. 根据权利要求27所述的方法,其中,所述按需选择PRS请求信息包括如下至少一项:
    用于指示按需选择PRS的指示信息;
    按需选择的PRS的辅助信息;
    所述终端的位置信息;
    预期离开角信息;
    所述终端测量的同步信号块SSB的测量信息;
    所述终端测量的信道状态信息参考信号CSI-RS的测量信息。
  33. 根据权利要求22所述的方法,其中,所述方法还包括:
    所述网络侧设备发送第二定位辅助数据,所述第二定位辅助数据包括如下至少一项:
    目标PRS的配置信息,所述目标PRS为按需选择选定的PRS;
    目标PRS的激活信息。
  34. 根据权利要求33所述的方法,其中,所述目标PRS满足如下至少一项:
    在同一小区下的所述目标PRS的资源与第一PRS的资源不冲突,所述第一PRS为与所述目标PRS在同一小区的其他PRS;
    第一服务小区的所述目标PRS的资源与第一服务小区的PRS资源不冲突;
    第一服务小区的所述目标PRS的资源与第二服务小区的PRS资源不冲突,所述第一服务小区与所述第二服务小区为不同服务小区;
    非服务小区的所述目标PRS的资源与服务小区的PRS的资源不冲突;
    第一非服务小区的所述目标PRS资源与第一非服务小区的PRS资源不冲突;
    第一非服务小区的所述目标PRS资源与第二非服务小区的PRS资源不冲突,所述第一非服务小区与所述第二非服务小区为不同的非服务小区。
  35. 根据权利要求33所述的方法,其中,第二PRS为除所述目标PRS之外的PRS,在所述目标PRS的资源与所述第二PRS的资源冲突的情况下,所述方法还包括如下其中一项:
    所述网络侧设备根据所述目标PRS的优先级和所述第二PRS的优先级,发送所述目标PRS或所述第二PRS;
    所述网络侧设备期待取消所述第二PRS的发送;
    所述网络侧设备发送所述目标PRS和所述第二PRS;
    所述网络侧设备发送用于指示是否发送所述第二PRS的指示信息。
  36. 根据权利要求22所述的方法,其中,所述方法还包括:
    所述网络侧设备发送第二密钥信息,所述第二密钥信息用于对目标PRS的辅助信息进行解析,所述目标PRS为按需选择选定的PRS。
  37. 根据权利要求36所述的方法,其中,所述第二密钥信息包括有效性信息,所述有效性信息包括如下至少一项:
    时间信息;
    区域信息;
    事件信息;
    空间关系信息。
  38. 根据权利要求36所述的方法,其中,所述第二密钥信息包括至少一个密钥的密钥信息;
    所述至少一个密钥包括如下至少一项:
    静态密钥;
    动态密钥;
    按需选择的密钥;
    至少两级密钥。
  39. 根据权利要求38所述的方法,其中,所述第二密钥信息还包括如下至少一项:
    有效性标识信息;
    分组标识信息;
    扰码标识信息;
    可使用广播类型信息;
    小区标识信息
    TRP标识信息;
    发送定位参考信号的波束标识信息;
    发送定位参考信号的波束方向信息;
    定位参考信号的标识信息;
    空间关系标识信息。
  40. 一种定位装置,包括:
    接收模块,用于接收第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的定位参考信号PRS的配置信息;
    和/或,
    发送模块,用于发送定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
  41. 根据权利要求40所述的装置,其中,所述第一定位辅助数据包括如下至少一项:
    用于解析按需选择的PRS的第一密钥信息;
    用于按需选择的至少一个PRS配置集合;
    用于按需选择的PRS的资源信息;
    用于按需选择的PRS的响应信息。
  42. 根据权利要求40所述的装置,其中,所述定位辅助数据请求信息携带如下至少一项:
    按需选择定位参考信号PRS请求信息;
    按需选择PRS密钥请求信息。
  43. 一种定位装置,包括:
    发送模块,用于发送第一定位辅助数据,所述第一定位辅助数据用于指示用于按需选择的定位参考信号PRS的配置信息;
    和/或,
    接收模块,用于接收定位辅助数据请求信息,所述定位辅助数据请求信息用于指示用于按需选择的PRS的相关请求信息。
  44. 根据权利要求43所述的装置,其中,所述第一定位辅助数据包括如下至少一项:
    用于解析按需选择的PRS的第一密钥信息;
    用于按需选择的至少一个PRS配置集合;
    用于按需选择的PRS的资源信息;
    用于按需选择的PRS的响应信息。
  45. 根据权利要求43所述的装置,其中,所述定位辅助数据请求信息携 带如下至少一项:
    按需选择定位参考信号PRS请求信息;
    按需选择PRS密钥请求信息。
  46. 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求1至21中任一项所述的定位方法的步骤。
  47. 一种网络侧设备,包括处理器,其中,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求22至39中任一项所述的定位方法的步骤。
  48. 一种可读存储介质,所述可读存储介质上存储程序或指令,其中,所述程序或指令被处理器执行时实现如权利要求1至21中任一项所述的定位方法的步骤,或者,所述程序或指令被处理器执行时实现如权利要求22至39中任一项所述的定位方法的步骤。
  49. 一种芯片,包括处理器和通信接口,其中,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1-21中任一项所述的定位方法的步骤,或者实现如权利要求22-39中任一项所述的定位方法的步骤。
  50. 一种计算机程序产品,所述计算机程序产品被至少一个处理器执行以实现如权利要求1-21中任一项所述的定位方法的步骤,或者实现如权利要求22-39中任一项所述的定位方法的步骤。
  51. 一种通信设备,被配置为执行如权利要求1至21中任一项所述的定位方法的步骤,或,执行如权利要求22至39中任一项所述的定位方法的步骤。
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