WO2022194144A1 - Procédé de positionnement, terminal et dispositif côté réseau - Google Patents

Procédé de positionnement, terminal et dispositif côté réseau Download PDF

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Publication number
WO2022194144A1
WO2022194144A1 PCT/CN2022/080913 CN2022080913W WO2022194144A1 WO 2022194144 A1 WO2022194144 A1 WO 2022194144A1 CN 2022080913 W CN2022080913 W CN 2022080913W WO 2022194144 A1 WO2022194144 A1 WO 2022194144A1
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Prior art keywords
reference signal
information
positioning reference
positioning
adjacent
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PCT/CN2022/080913
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English (en)
Chinese (zh)
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庄子荀
王园园
司晔
邬华明
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维沃移动通信有限公司
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Publication of WO2022194144A1 publication Critical patent/WO2022194144A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding

Definitions

  • the present application belongs to the field of wireless communication technologies, and specifically relates to a positioning method, a terminal and a network side device.
  • the user equipment In the downlink angle positioning method, the user equipment (User Equipment, UE) measures the reference signal received power (Reference Signal Received Power, RSRP) based on the Positioning Reference Signal (Positioning Reference Signals, PRS), and reports the measurement results of up to 8 RSRPs to the Location Management Function (LMF), LMF can perform positioning.
  • UE User Equipment
  • RSRP Reference Signal Received Power
  • PRS Positioning Reference Signals
  • LMF Location Management Function
  • the RSRP of some PRSs may be measured and/or reported to improve the positioning accuracy.
  • the UE does not know which PRS RSRPs are more conducive to improving the positioning accuracy.
  • Embodiments of the present application provide a positioning method, a terminal, and a network-side device, which can solve the problem of how a terminal determines a positioning reference signal that needs to be measured and/or reported to improve positioning accuracy.
  • a positioning method including:
  • the terminal determines the target positioning reference signal
  • the target positioning reference signal is determined according to at least one of the following manners:
  • first auxiliary information sent by the network side, where the first auxiliary information is used to configure information related to positioning reference signal beams;
  • the first request information sent by the network side where the first request information is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • a positioning method including:
  • the LMF sends at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the LMF receives the first auxiliary information sent by the base station, where the first auxiliary information is used to configure information related to the positioning reference signal beam.
  • a positioning method including:
  • the base station sends at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • a positioning device comprising:
  • a determination module for determining a target positioning reference signal
  • a processing module configured to determine the first measurement information of the target positioning reference signal, and/or report the first measurement information of the target positioning reference signal
  • the target positioning reference signal is determined according to at least one of the following manners:
  • first auxiliary information sent by the network side, where the first auxiliary information is used to configure information related to positioning reference signal beams;
  • the first request information sent by the network side where the first request information is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • a positioning device comprising:
  • a first sending module configured to send at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the LMF receives the first auxiliary information sent by the base station, where the first auxiliary information is used to configure information related to the positioning reference signal beam.
  • a positioning device comprising:
  • a first sending module configured to send at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the second sending module is configured to send the first auxiliary information to the LMF, where the first auxiliary information is used to configure information related to the positioning reference signal beam.
  • a terminal in a seventh aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor. The steps of implementing the method as described in the first aspect.
  • a terminal including a processor and a communication interface, wherein the processor is configured to determine a target positioning reference signal; determine first measurement information of the target positioning reference signal, and/or report the first measurement information of the target positioning reference signal, where the first measurement information is used to determine terminal location information;
  • the target positioning reference signal is determined according to at least one of the following manners:
  • first auxiliary information sent by the network side, where the first auxiliary information is used to configure information related to positioning reference signal beams;
  • the first request information sent by the network side where the first request information is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • a network side device in a ninth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect or the third aspect when executed.
  • a network-side device including a processor and a communication interface, wherein the communication interface is configured to send at least one of the following to a terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • a network-side device including a processor and a communication interface, wherein the communication interface is configured to send at least one of the following to a terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • a twelfth aspect provides 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 steps of the method according to the first aspect are implemented, or the The steps of the method according to the second aspect, or the steps of implementing the method according to the third aspect.
  • a thirteenth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or instruction, implementing the first aspect Said method, or implements the method as described in the second aspect, or implements the method as described in the third aspect.
  • a fourteenth aspect provides a program product, the program product is stored in a non-volatile storage medium, the 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 second aspect, or the method described in the third aspect is implemented.
  • a fifteenth aspect provides a communication device configured to perform the steps of the method of the first aspect, or the steps of the method of the second aspect, or the steps of the method of the third aspect.
  • the terminal is instructed to measure and/or report which target positioning reference signal first measurement information is more conducive to improving positioning accuracy, so that the UE can determine For better positioning reference signals, the first measurement results of these positioning reference signals are reported, so that the accuracy of AoD can be improved.
  • FIG. 1 is a structural diagram of a wireless communication system to which an embodiment of the application can be applied;
  • FIG. 2 is a schematic diagram of a method of how to select a beam in a method for downlink AoD measurement
  • 3 is a schematic diagram of a two-dimensional beam pattern of two beams
  • FIG. 4 is a schematic diagram of a method for downlink AoD measurement
  • FIG. 5 is a schematic flowchart of a positioning method according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a method for determining a positioning reference signal corresponding to a transmission beam adjacent to the first positioning reference signal transmission beam according to an embodiment of the present application
  • FIG. 7 is a schematic diagram of a method for determining a positioning reference signal corresponding to a transmission beam adjacent to the first positioning reference signal transmission beam according to another embodiment of the present application;
  • FIG. 8 is a schematic flowchart of a positioning method according to another embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a positioning method according to another embodiment of the present application.
  • FIG. 10 is a schematic diagram of a method for determining a target positioning reference signal according to a predefined rule according to an embodiment of the application
  • FIG. 11 is a schematic diagram of a method for determining a target positioning reference signal according to first request information sent by a network side according to an embodiment of the present application;
  • FIG. 12 is a schematic diagram of a method for dynamically indicating the reporting of the first measurement information of the adjacent or better PRS at the network side according to an embodiment of the present application;
  • FIG. 13 is a schematic structural diagram of a positioning device according to an embodiment of the application.
  • FIG. 14 is a schematic structural diagram of a positioning device according to another embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of a positioning device according to another embodiment of the present application.
  • 16 is a schematic structural diagram of a communication device according to an embodiment of the application.
  • FIG. 17 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a hardware structure of a network side device according to an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques are also applicable to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
  • 6th generation 6th generation
  • 6G 6th generation
  • FIG. 1 shows a structural diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 may also be called a terminal device or user equipment (User Equipment, UE), and the terminal 11 may 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 terminal ( Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, WiFi node, Transmittion Reception 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 vocabulary, it should be noted that , in the embodiments of the present application, only the base station in the NR system is used as an example, but the specific type of the base station is not limited, and the core network device may
  • the downlink AoD measurement is to select the corresponding beam by measuring multiple RSRPs (ie the energy in Figure 2) (whichever beam has a larger measured energy, report which beam (or report PRS identification information (transmit and receive beams) ))).
  • the identification information of the beam is distinguished according to the identification information of the PRS, that is, different beams send different PRS (PRS resource set ID (Resource Set ID) and PRS resource ID (resource ID)). Different PRSs include different angle information (PRS Angle Items).
  • Table 1 is the PRS beam information in the NR system.
  • IE/Group Name is IE/group name
  • NR-PRS Beam Information is NR-PRS beam information
  • maxPRS-ResourceSets is the maximum PRS-resource set
  • INTEGER is an integer
  • the resource set in which the resources are associated with the angle is: the resource set in which the resource is associated with the angle
  • NR PRS Azimuth is the NR PRS azimuth
  • NR PRS Azimuth fine is the NR PRS fine azimuth
  • Fine angles is the fine angle
  • NR PRS Elevation is the NR PRS height
  • Elevation fine is the fine height
  • LCS to GCS Translation is the conversion from Local Coordinate System (LCS) to Global Coordinate System (GCS); Only the single value, 1,shall be used in this version of the specifications: this version Only a single value of 1 is used in the specification.
  • Maximum no of DL-PRS resource sets per TRP.Value is 2 is: the maximum number of DL-PRS resource sets for each TRP. The value is 2.
  • Maximum no of DL-PRS resources of the DL-PRS resource set of the TRP.Value is 64: the maximum number of DL-PRS resources in the DL-PRS resource set of the TRP. The value is 64.
  • the UE can report a total of 8 RSRPs. For UE-based positioning, it depends on the UE implementation.
  • the thin solid line and the thick solid line are the two-dimensional beam patterns of beam 1 and beam 2, respectively, where the abscissa corresponds to the angle of the beam, and the ordinate corresponds to the normalized beam response.
  • the UE receives m PRSs and obtains m RSRPs based on the measurement of the m PRSs. If the UE selects n RSRPs to report from the m RSRPs, an n-dimensional vector [RSP1RSRP2...RSRPn] can be formed based on the n RSRPs.
  • the beam patterns of the transmit beams corresponding to each PRS are known. If the angle granularity is 1, the beam responses of the transmit beams of the PRS corresponding to the n RSRPs can be obtained at 360 angles.
  • the beam response vector is [BeamResponse1BeamResponse1...BeamResponsen], calculate the Euclidean distance for these two vectors (the RSRP vector reported by the UE and the corresponding beam vector), and the angle corresponding to the vector with the smallest Euclidean distance is the AoD angle to be measured.
  • the optimization precision is high.
  • the measured RSRP of the PRS corresponding to the blacked-out beam is the strongest. If it is reported, the AoD optimization precision is high.
  • the UE reports the RSRP of the PRS, it cannot be clearly determined which PRS transmission beams are adjacent or better.
  • the transmitted beam angles of the reported PRSs differ greatly, or the PRSs of adjacent beams are not included, when the LMF uses RSRP to perform AoD optimization, the optimization effect is significantly reduced.
  • the number of RSRPs reported by each transmission and reception point (Transmittion and Reception Point, TRP) of each UE is uncertain, and the maximum can be 8.
  • TRP Transmission and Reception Point
  • an embodiment of the present application provides a positioning method, including:
  • Step 51 The terminal determines the target positioning reference signal
  • the number of target positioning reference signals determined by the terminal may be one or more.
  • Step 52 the terminal determines the first measurement information of the target positioning reference signal, and/or reports the first measurement information of the target positioning reference signal, where the first measurement information is used to determine terminal location information;
  • the target positioning reference signal is determined according to at least one of the following manners:
  • first auxiliary information sent by the network side, where the first auxiliary information is used to configure information related to positioning reference signal beams;
  • the first request information sent by the network side where the first request information is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • the terminal by means of at least one of predefined rules, network side configuration and network side request, the terminal is instructed to measure and/or report which first measurement information of the target positioning reference signal is more conducive to improving positioning accuracy, so that the UE Better positioning reference signals can be determined, and first measurement results of these positioning reference signals can be measured and/or reported, so that the accuracy of AoD can be improved.
  • the first measurement information includes at least one of the following:
  • the RSRP in the current protocol is the RSRP of the PRS (multipath average or weighted RSRP), the first-path RSRP information is the first-path RSRP measured by the UE, and the reference-path RSRP information is the UE-measured RSRP of a certain reference path. Measured based on path.
  • the definition of the head path includes one of the following:
  • the first path is the first path detected when a PRS resource (resource) or SRS resource is measured, that is, the path with the smallest distance between the time when the path is received and the start time of subframe i, where subframe i is the received path. to the subframe of the PRS resource or SRS resource;
  • the first path is the first path detected when a PRS resource or SRS resource is measured, that is, the path with the smallest distance between the time when the path is received and the start time of symbol i, where subframe i is the path where the PRS is received. symbol of resource or SRS resource;
  • the first path is to measure several PRS resources or SRS resources, and the path with the smallest delay among the first detected paths, where the first detected path under each PRS resources or SRS resources, that is, received
  • the path with the smallest distance between the time of the path and the start time of subframe i is the first path of the PRS resource or SRS resource, where subframe i is the subframe in which the PRS resources or SRS resources are received, and each first detected The path with the smallest delay among the paths is the first path;
  • the first path is to measure several PRS resources or SRS resources, and the path with the smallest delay among the first detected paths, in which the first detected path under each PRS resources or SRS resources is received.
  • the path with the smallest distance between the time of the path and the starting time of symbol i is the first path of the PRS resources or SRS resources, where the symbol i is the subframe in which the PRS resources or SRS resources are received, and the first detected path of each The path with the smallest delay is the first path;
  • first path RSRP includes one of the following:
  • head radial phase includes one of the following:
  • the definition of the head radius angle includes one of the following:
  • first path RSTD includes one of the following:
  • TSubframeRxj-TSubframeRxi The relative time difference of the downlink subframe between the transmission point (Transmission Point, TP) j and the reference TP i is defined as TSubframeRxj-TSubframeRxi, where the downlink subframe j and the downlink subframe i are respectively the first path of the received positioning reference signal subframe;
  • First Path TOA includes one of the following:
  • the first precoding matrix information is used to determine angle information, including at least one of the following:
  • the precoding matrix corresponds to the angle information one-to-one. It can be understood that one precoding matrix corresponds to one angle.
  • one RSRP energy
  • one RSRP energy
  • a first-path RSRP first-path energy
  • the angle corresponding to the precoding matrix with the largest energy is the estimated angle of arrival.
  • the energy value and index value of adjacent precoding matrices help to To further improve the positioning accuracy.
  • the adjacent precoding matrix is indicated by at least one of the following manners:
  • PMI Precoding Matrix Indicator
  • the precoding matrix indices are adjacent, and the three precoding matrices whose precoding matrix indices are 1, 2, and 3 are adjacent precoding matrices.
  • the angles corresponding to the precoding matrices are adjacent. Assuming that there are 360 precoding matrices in total, and the corresponding angles are 0, 1, 2..., 359, then the precoding matrices with angles corresponding to 1, 2, and 3 degrees are adjacent. precoding matrix.
  • the first measurement information in the above embodiment is usually used for the AoD positioning method.
  • the AoD positioning method can also be combined with other positioning methods.
  • the first measurement information also includes at least one of the following :
  • RSTD Reference Signal Time Difference
  • the RSTD difference information may be the RSTD relative to the PRS resource, or the difference information relative to the RSTD of the reference path or other paths.
  • the RSTD difference information may be the RSTD relative to the PRS resource, or the difference information relative to the RSTD of the first path or other paths.
  • the RSTD difference information may be the RSTD relative to the PRS resource, or the difference information relative to the RSTD of the first path or the reference path.
  • TOA Time of Arrival
  • the TOA difference information may be the TOA relative to the PRS resource, or the TOA difference information relative to the reference path or other paths.
  • the TOA difference information may be the TOA relative to the PRS resource, or the TOA difference information relative to the first path or the reference path.
  • the TOA difference information may be the TOA relative to the PRS resource, or the TOA difference information relative to the reference path or other paths.
  • the Rx-Tx timing difference information may be the TOA relative to the PRS resource, or the difference information relative to the Rx-Tx timing difference of the reference path or other paths.
  • the Rx-Tx timing difference difference information may be the TOA relative to the PRS resource, or the difference value information relative to the Rx-Tx timing difference of the first path or other paths.
  • the Rx-Tx timing difference difference information may be the TOA relative to the PRS resource, or the Rx-Tx timing difference difference information relative to the head path or the reference path.
  • the other diameters are diameters other than the first diameter or the reference diameter.
  • the first auxiliary information includes at least one of the following:
  • Identification information of the positioning reference signal resource for example, the transmission and reception point identification (Identification, ID) (TRP ID) of the positioning reference signal resource, resource set ID (resource set ID), resource ID (resource ID), etc.
  • the first list of positioning reference signal identification information is the identification information of the positioning reference signal corresponding to the beam adjacent to the positioning reference signal resource transmission beam;
  • the first list of positioning reference signal identification information is configured based on each PRS resource, that is, one PRS resource corresponds to one first list of positioning reference signal identification information.
  • the first list of positioning reference signal identification information includes at least one of the following:
  • the first list of identification information of the horizontal positioning reference signal is used to indicate the identification information of the PRS whose transmitting beam in the horizontal direction is adjacent to the transmitting beam of the PRS.
  • the second list of positioning reference signal identification information is configured based on each PRS resource set, that is, one PRS resource set corresponds to one second list of positioning reference signal identification information.
  • the type of the second list of positioning reference signal identification information includes at least one of the following:
  • the second list of identification information of the horizontal direction positioning reference signal is used to indicate the identification information of multiple PRSs adjacent to the horizontal direction transmission beam.
  • the second list of three-dimensional orientation reference signal identification information The second list of three-dimensional orientation reference signal identification information.
  • the transmit beam angle information includes at least one of the following:
  • the type of the sending beam index information includes at least one of the following:
  • the PRSs with the same horizontal angle of the transmit beams correspond to the same transmit beam indices in the horizontal direction.
  • the PRSs with the same vertical angle of the transmission beams correspond to the same transmit beam indices in the vertical direction.
  • the horizontal-vertical direction transmit beam index group For example, if there are 8 beams in the horizontal and vertical directions, one way is to use the horizontal-vertical direction transmit beam index group to represent the three-dimensional direction transmit beam index, such as [2,3] for the second horizontal direction and the vertical direction.
  • the three-dimensional beam corresponding to the third beam angle; another way is to number the indices according to the number of three-dimensional beams. For example, if there are 64 beams in total, they correspond to 64 three-dimensional beam indices.
  • the sending beam group information includes at least one of the following:
  • the type of transmission beam group identification information includes at least one of the following:
  • the beam group identification information is sent in the three-dimensional direction.
  • the sending beam group information further includes: second positioning reference signal identification information, where the second positioning reference signal identification information is configured by the network side and used to indicate a positioning reference signal corresponding to a center beam of a sending beam group .
  • one positioning reference signal resource may correspond to multiple transmit beam groups.
  • a reference signal whose positioning reference signal resource ID is 3 its beam group information includes ⁇ 1, 2, 3 ⁇ , where the beam The positioning reference signal resource ID corresponding to group 1 is ⁇ 1, 2, 3 ⁇ , the positioning reference signal resource ID corresponding to beam group 2 is ⁇ 2, 3, 4 ⁇ , and the positioning reference signal resource ID corresponding to beam group 3 is ⁇ 3 ,4,5 ⁇ ;
  • the center beam of the sending beam group may be determined according to the second positioning reference signal identification information.
  • the two positioning reference signal identification information of the beam group configured on the network side is 2, it indicates that the beam group corresponding to positioning reference signal resource 3 at this time is 1, that is, the beam group at the middle position of positioning reference signal resource 2, so as to determine the positioning reference The beam group corresponding to the signal resource.
  • the measured RSRP when the second positioning reference signal identification information is not configured on the network side, the measured RSRP may be used.
  • the measured RSRP of the positioning reference signal resource 3 when the measured RSRP of the positioning reference signal resource 3 is the largest , it is indicated that the beam group corresponding to the positioning reference signal resource 3 at this time is 2, that is, the beam group where the positioning reference signal resource 3 is in the middle position, so as to determine the beam group corresponding to the positioning reference signal resource.
  • the indication manner for sending beam group information includes at least one of the following:
  • the transmit beam group ⁇ 1, 2, 3 ⁇ indicates that the transmit beam group of the PRS includes transmit beam group 1, transmit beam group 2 and transmit beam group 3;
  • Direct indication for example, indicating that the transmit beam groups of the PRS are group 1, group 2, and group 3.
  • priority information corresponding to the positioning reference signal resource where the priority includes measurement and/or reporting priority
  • the adjacent transmit beams refer to a spatial relationship, that is, the transmit beams of the positioning reference signal are adjacent in space, which may be adjacent in the horizontal direction, adjacent in the vertical direction, or adjacent in the three-dimensional direction.
  • the number of adjacent transmit beams is 1 less than the number of transmit beams to be reported.
  • the type of the transmission beam includes at least one of the following: a horizontal transmission beam, a vertical transmission beam, and a three-dimensional transmission beam;
  • the indication manner of the adjacent beams includes at least one of the following:
  • the target positioning reference signal is a positioning reference signal in the second list of positioning reference signal identification information.
  • the base station side antenna information includes at least one of the following:
  • the panel information includes at least one of the following: panel identification information; panel number information; panel position information.
  • the panel identification information is:
  • Panel ID such as 1...M1
  • the panel identification information and the receiving beam identification information divided by each panel can be used to distinguish the receiving beams.
  • the identification information of the receiving beams divided by each UE can be determined with the number of the identification information to determine the panel identification information. For example, there are a total of 16 receiving beams, and the IDs are 0 to 15. If the ID is less than 8, it is considered to be the No. 1 panel. For example, if the ID is an odd number, it is the No. 1 panel.
  • the panel position information includes, but is not limited to, at least one of the following: arrangement information of multiple panels; panel spacing; and the position of the panels relative to the local coordinate system or the global coordinate system of the terminal.
  • the antenna information in the panel includes but is not limited to at least one of the following: antenna identification information; antenna number information; antenna position information; antenna polarization information.
  • the antenna position information includes, but is not limited to, at least one of the following: arrangement information of multiple antennas; antenna spacing; antenna aperture;
  • the terminal device angle information includes: the angle information of the terminal local coordinate system, such as the conversion parameters between the terminal local coordinate system and the global coordinate system, at least the angles ⁇ (bearing angle), ⁇ (down inclination angle) and ⁇ (tilt angle) of the terminal local coordinate system. horn).
  • the terminal device angle information can be reported in real time.
  • the antenna virtualization information includes but is not limited to at least one of the following: TXRU virtualization assumption; channel state information-reference signal (CSI Reference Signal, CSI-RS) port mapping information; Sounding Reference Signal (Sounding Reference Signal, SRS) port mapping information ; SRS-pos port mapping information; PRS port mapping information and so on.
  • CSI Reference Signal CSI Reference Signal
  • SRS Sounding Reference Signal
  • the calibration information includes but is not limited to at least one of the following: whether the group delay has been calibrated for multiple panels; whether the beam angle deviation has been calibrated, etc. (because the group delay or beam angle deviation will affect the beam pattern (beam pattern) or angle judgment); Timing error group (Timing error group) TEG information; group delay calibration value of each TEG.
  • the terminal receives the antenna information on the base station side, and can generate a corresponding precoding matrix pool according to the antenna information on the base station side, and at the same time, can perform channel estimation or obtain calibration information more accurately.
  • the second precoding matrix information includes at least one of the following:
  • DFT Discrete Fourier Transform
  • the terminal may directly obtain the precoding matrix pool according to the second precoding matrix information delivered by the network side, or generate a corresponding precoding matrix pool according to the oversampling parameter and DFT coefficients.
  • the first auxiliary information may be configured under one or more frequency layers (frequency layers), TRPs, resource sets (resource sets), or resources (resources).
  • the predefined rule includes at least one of the following:
  • the target positioning reference signal includes a first positioning reference signal and a positioning reference signal corresponding to a transmission beam adjacent to the first positioning reference signal transmission beam;
  • the target positioning reference signal includes a first positioning reference signal and a positioning reference signal belonging to the same resource set (resource set) or the same transmit beam group or the same priority as the first positioning reference signal, and the priority includes measurement and/or escalation priority;
  • the target positioning reference signal includes a positioning reference signal whose first measurement information is greater than first threshold information, wherein the first threshold information is predefined;
  • the first positioning reference signal includes at least one of the following:
  • RSRP is the largest positioning reference signal
  • the positioning reference signal with the largest first path RSRP The positioning reference signal with the largest first path RSRP
  • the positioning reference signal with the largest reference path RSRP The positioning reference signal with the largest reference path RSRP.
  • the number of the target positioning reference signals is determined according to at least one of the following:
  • the number of target positioning reference signals to be measured and/or reported is the same as the number of transmit beams that need to be measured and/or reported as indicated in the first assistance information or the first request information.
  • the number of target positioning reference signals measured and/or reported is the number of adjacent transmit beams indicated in the first assistance information or the first request information plus 1.
  • the number of target positioning reference signals measured and/or reported is the same as the number of beams in the transmit beam group indicated in the first assistance information or the first request information.
  • the number is X (X is equal to 3 or greater than 3), and if it is a three-dimensional beam, the number is Y (Y is equal to 5 or greater than 5).
  • the number of measured and/or reported target positioning reference signals is the same as the number of predefined transmit beams.
  • the number of measured and/or reported target positioning reference signals is the number of predefined adjacent transmit beams plus 1.
  • the number of reported target positioning reference signals is the same as the specific positioning reference signal data.
  • the positioning reference signal corresponding to the transmission beam adjacent to the first positioning reference signal transmission beam includes at least one of the following:
  • a positioning reference signal adjacent to the first positioning reference signal identification information for example, resourceID
  • a positioning reference signal whose difference value from the first positioning reference signal identification information (eg, resourceID) is smaller than M (M>0).
  • the corresponding transmit beams of [PRS resource 1, PRS resource 2, PRS resource3, PRS resource4, PRS resource5, PRS resource6] are respectively [beam1, beam2, beam3, beam4, beam5, beam6], then PRS The adjacent transmit beams of resource3 transmit beam are PRS resource 2 and PRS resource 4.
  • the transmission time of the first positioning reference signal is less than M (M>0).
  • the order of transmission time is [PRS resource 2, PRS resource5, PRS resource1, PRS resource3, PRS resource6, PRS resource4], then PRS resource3 sends the positioning reference signal corresponding to the beam corresponding to the adjacent positioning reference
  • the signals are positioning reference signals corresponding to PRS resource 1 and PRS resource 6.
  • the receiving time of the first positioning reference signal is less than N (N>0).
  • a positioning reference signal whose difference value from the transmission beam angle information of the first positioning reference signal is less than L (L>0).
  • the positioning reference signal corresponding to the transmission beam adjacent to the first positioning reference signal transmission beam is a positioning reference signal adjacent to the first positioning reference signal identification information
  • the identification information of the positioning reference signal are configured to be the same or in a one-to-one correspondence.
  • PRS resource1 corresponds to transmit beam 1
  • PRS resource2 corresponds to transmit beam 2
  • PRS resource3 corresponds to transmit beam 3
  • transmit beams 1, 2, and 3 are adjacent respectively;
  • the transmission time sequence of the positioning reference signal is the same as or in a one-to-one correspondence with the transmission beam sequence:
  • a positioning reference signal adjacent to the reception time of the first positioning reference signal is
  • PRS resource1, PRS resource2, and PRS resource3 are sent in sequence, they correspond to transmit beams 1, 2, and 3, respectively, and transmit beams 1, 2, and 3 are adjacent to each other.
  • the first request information includes at least one of the following:
  • Priority information of a specific positioning reference signal includes measurement and/or reporting priority
  • the number of the target positioning reference signals measured and/or reported is the same as the number of the specific positioning reference signals.
  • the target positioning reference signal is determined by at least one of the following methods:
  • the target positioning reference signal is a positioning reference signal whose transmission beam angle information belongs to the transmission beam angle range;
  • the target positioning reference signal is a positioning reference signal whose first measurement information is greater than the second threshold information
  • the target positioning reference signal is a positioning reference signal corresponding to the specific positioning reference signal identification information
  • the target positioning reference signal is a positioning reference signal with the same or adjacent transmission beam index information of a specific positioning reference signal
  • the target positioning reference signal is the same positioning reference signal as the beam group of the specific positioning reference signal
  • the target positioning reference signal is a positioning reference signal with the same priority as the transmission beam of the specific positioning reference signal.
  • the update of the related configuration of adjacent beams may also be dynamically indicated through the first request information.
  • the first request information is carried in at least one of the following messages:
  • LTE Positioning Protocol (LTE Positioning Protocol, LPP) message RequestLocationInformation IE;
  • Media Access Control Layer Control Element Media Access Control Element, MAC CE
  • DCI Downlink Control Information
  • the positioning method further includes: the terminal receives first indication information delivered by the network side, where the first indication information is used to indicate whether the first measurement of the adjacent beam needs to be reported information.
  • reporting the first measurement information of the target positioning reference signal includes at least one of the following:
  • the measurement reporting group includes identification information and first measurement information of target positioning reference signals other than the first positioning reference signal;
  • the measurement reporting group includes targets other than the first positioning reference signal. First measurement information of the positioning reference signal.
  • the positioning method further includes: the terminal reporting device capability information to the network side, where the capability information includes at least one of the following:
  • determining the target positioning reference signal includes: if the number of adjacent beams that need to be measured and/or reported to the terminal is greater than the device capability of the terminal, determining the measurement according to the priority information corresponding to the positioning reference signal resource. and/or the reported target positioning reference signal.
  • the positioning method further includes: the terminal receiving second auxiliary information sent by the network side, and receiving, according to the second auxiliary information, a positioning reference signal sent by the network side, the
  • the second auxiliary information includes at least one of the following:
  • the usage scenario is used to configure the transmission antenna port, transmission mode and/or repetition mode, etc. of the corresponding positioning reference signal to the UE.
  • the positioning reference signal supports the configuration of antenna switching
  • the positioning reference signal supports the mapping method of antenna switching.
  • the number of sending ports indicates the number of ports used to send a positioning reference signal resource, and the number of sending times indicates the maximum number of positioning reference signal resources that can be sent under a positioning reference signal sending opportunity.
  • the send ports used for the second send cannot be exactly the same.
  • a guard interval of Q symbol lengths needs to be configured between two transmissions of the positioning reference signal resources, where the two transmissions of the positioning reference signal resources are transmitted in the same time slot, and Q is an integer greater than 0.
  • the correspondence between the number of transmission ports of the positioning reference signal and the number of times of transmission, or, the configuration of the positioning reference signal supporting antenna switching includes: the number of X transmission ports and Y times of transmission, and both X and Y are greater than or equal to 1. positive integer of .
  • 'tXrY' for XTYR means that Y PRSs are transmitted on different symbols, each PRS is sent on X ports, and Y PRSs are sent on different ports.
  • the transmission port of the positioning reference signal, the number of times of transmission, and the mapping mode of the positioning reference signal, or, the mapping mode of the positioning reference signal supporting antenna switching includes at least one of the following:
  • N positioning reference signal resources in the L positioning reference signal resource sets are mapped to each transmission
  • the ports corresponding to each transmission are different, and M, L, N, A, B, C, D, and E are all integers greater than 0.
  • each positioning reference signal resource corresponds to each transmission
  • the first Y positioning reference signal resources correspond to Y times of transmission, and every Y repetition of subsequent positioning reference signal resources corresponds to Y times of transmission;
  • the number of positioning reference signal resources is less than the number of transmissions, the number of transmissions and the number of positioning reference signal resources are the same.
  • the number of positioning reference signal resources is M; if N positioning reference signal resource sets in the L positioning reference signal resource sets If the positioning reference signal resources are mapped to each transmission, the number of positioning reference signal resources is L*N; if B of the A positioning reference signal resources in the same positioning reference signal resource set are repeatedly mapped to each transmission, the positioning reference signal The number of signal resources is A*B; if E of the D positioning reference signal resources in the C positioning reference signal resource sets are repeatedly mapped to each transmission, the number of positioning reference signal resources is C*D*E.
  • the first measurement information of each target positioning reference signal corresponds to the same receive beam
  • the same receive beam includes at least one of the following:
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the receive beam corresponding to the transmit beam of the sounding reference signal (Sounding Reference Signal, SRS) of the transmit channel for example, the receive beam corresponding to the transmit beam that sent the SRS last time;
  • Sounding Reference Signal Sounding Reference Signal
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the terminal reports receiving beam information corresponding to the first measurement information of each target positioning reference signal, including at least one of the following:
  • an embodiment of the present application further provides a positioning method, including:
  • Step 81 The LMF sends at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the LMF receives the first auxiliary information sent by the base station, where the first auxiliary information is used to configure information related to the positioning reference signal beam.
  • the first measurement information of which target positioning reference signals are instructed by the terminal to measure and/or report through the LMF configuration and/or request is more conducive to improving the positioning accuracy, so that the UE can determine a better positioning reference signal and report it.
  • the first measurement results of these positioning reference signals thereby enabling the accuracy of the AoD to be improved.
  • the first auxiliary information includes at least one of the following:
  • the first list of positioning reference signal identification information is identification information of positioning reference signals corresponding to beams adjacent to the positioning reference signal resource transmission beam
  • the second list of positioning reference signal identification information is identification information of positioning reference signals adjacent to the transmission beam
  • priority information corresponding to the positioning reference signal resource where the priority includes measurement and/or reporting priority
  • Types of transmit beams include at least one of the following: horizontal transmit beams, vertical transmit beams, and three-dimensional transmit beams;
  • the first request information includes at least one of the following:
  • priority information of a specific positioning reference signal includes measurement and/or reporting priority
  • the first request information is carried in the following message:
  • the positioning method further includes: the network-side device sends first indication information to the terminal, where the first indication information is used to indicate whether the first measurement information of adjacent beams needs to be reported .
  • the positioning method further includes: the network-side device sends second auxiliary information to the terminal, where the second auxiliary information includes at least one of the following:
  • the transmission port of the positioning reference signal the number of times of transmission, and the mapping method of the positioning reference signal
  • the positioning reference signal supports the configuration of antenna switching
  • the positioning reference signal supports the mapping method of antenna switching
  • the number of sending ports indicates the number of ports used to send a positioning reference signal resource, and the number of sending times indicates the maximum number of positioning reference signal resources that can be sent under a positioning reference signal sending opportunity.
  • the send ports used for the second send cannot be exactly the same.
  • a guard interval of Q symbol lengths needs to be configured between two transmissions of the positioning reference signal resources, where the two transmissions of the positioning reference signal resources are transmitted in the same time slot, and Q is an integer greater than 0.
  • the positioning method further includes: receiving, by the LMF, first measurement information of the target positioning reference signal reported by the terminal;
  • the first measurement information includes at least one of the following:
  • the first measurement information further includes at least one of the following:
  • Rx-Tx timing difference information or Rx-Tx timing difference difference information of other paths
  • the other diameters are diameters other than the first diameter or the reference diameter.
  • an embodiment of the present application further provides a positioning method, including:
  • Step 91 The base station sends at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the first measurement information of which target positioning reference signals are instructed by the base station to measure and/or report through the base station configuration and/or request is more conducive to improving the positioning accuracy, so that the UE can determine a better positioning reference signal and report it.
  • the first measurement results of these positioning reference signals thereby enabling the accuracy of the AoD to be improved.
  • the first auxiliary information includes at least one of the following:
  • the first list of positioning reference signal identification information is identification information of positioning reference signals corresponding to beams adjacent to the positioning reference signal resource transmission beam
  • the second list of positioning reference signal identification information is identification information of positioning reference signals adjacent to the transmission beam
  • priority information corresponding to the positioning reference signal resource where the priority includes measurement and/or reporting priority
  • Types of transmit beams include at least one of the following: horizontal transmit beams, vertical transmit beams, and three-dimensional transmit beams;
  • the first request information includes at least one of the following:
  • Priority information of a specific positioning reference signal includes measurement and/or reporting priority
  • the first request information is carried in at least one of the following messages:
  • the positioning method according to the embodiment of the present application is described below by taking an example.
  • Embodiment 1 of the present application is a diagrammatic representation of Embodiment 1 of the present application:
  • the first auxiliary information configured on the network side may be as follows:
  • the type of the first list of positioning reference signal identification information or the second list of positioning reference signal identification information includes at least one of the following:
  • a list of horizontal positioning reference signal identification information such as ⁇ PRS resource ID1, PRS resource ID2,...PRS resource IDn ⁇ , indicating the ID of the PRS adjacent or better in the horizontal direction to dl-PRS-SequenceID-r16 .
  • Vertical positioning reference signal identification information list such as ⁇ PRS resource ID1, PRS resource ID2, ...PRS resource IDn ⁇ , indicating the ID of the PRS adjacent or better in the vertical direction to dl-PRS-SequenceID-r16 .
  • Three-dimensional direction positioning reference signal identification information list such as ⁇ PRS resource ID1, PRS resource ID2,...PRS resource IDn ⁇ , indicating the ID of the PRS adjacent to dl-PRS-SequenceID-r16 in the three-dimensional direction or better .
  • the transmit beam index information includes at least one of the following:
  • the beam index in the horizontal direction is 1, the beam index of the second beam is 2, ... the beam index of the eighth beam is 8. If the beam index of the first positioning reference signal measured by the UE is 3, the PRS corresponding to the two horizontal beam indices (1 and 2) adjacent to 3 are the adjacent PRS in the horizontal direction or a better PRS.
  • the beam index of the first positioning reference signal measured by the UE is 3
  • the PRS corresponding to the two vertical beam indices (1 and 2) adjacent to 3 are the adjacent PRS in the vertical direction or a better PRS.
  • Mode 1 is to transmit the beam index group in the horizontal direction-vertical direction. If there are 8 beam angles in the horizontal direction and 8 beam angles in the vertical direction, there are 64 three-dimensional beam angles in total.
  • the beams are indexed in a certain order, for example, [the beam angle of the first beam angle in the horizontal direction and the beam angle of the first beam in the vertical direction] corresponds to the beam index [1,1], [the first beam angle in the horizontal direction and the first beam angle in the vertical direction]
  • the beam index of the beam angle of the two beams] is [1, 2], ...
  • the beam index of the eighth beam in the vertical direction of the first beam angle in the horizontal direction] is [1, 8] ...
  • the beam index of the fourth beam angle of the fourth beam in the vertical direction] is [4,4]...[The beam index of the eighth beam in the vertical direction of the eighth beam angle in the horizontal direction] is [8,8] ].
  • the 3D beam index of the first positioning reference signal measured by the UE is [3,4]
  • the four beam indices adjacent to [3,4] [2,4],[4,4],[3, 2], [3, 5]
  • the corresponding PRS is the adjacent PRS in the three-dimensional direction or a better PRS.
  • Mode 2 is to send beam indices in the three-dimensional direction.
  • 64 beams are numbered in a certain order, for example, they are sorted from the smallest angle, corresponding to the 64 beam indices sent in the three-dimensional direction. If the beam index of the first positioning reference signal measured by the UE is 12, then the PRSs corresponding to the two 3D beam indices (11 and 13) adjacent to 12 are adjacent PRSs in the 3D direction or better PRSs.
  • the second embodiment of the present application :
  • the target positioning reference signal is determined according to a predefined rule, and the specific steps are as follows:
  • Step 1 Terminal capability communication is performed between the terminal and the LMF.
  • the terminal reports the device capability information to the LMF.
  • the capability information reference may be made to the descriptions in the foregoing embodiments, and will not be described one by one.
  • Step 2 The terminal sends Request assistant data to the LMF
  • Step 3 The LMF sends the Provide assistant data (auxiliary support data) to the terminal, and the Provide assistant data carries the first auxiliary information;
  • Step 4 the base station sends a positioning reference signal (PRS) to the terminal;
  • PRS positioning reference signal
  • Step 5 The terminal determines the target positioning reference signal according to the predefined rule, and determines and measures the first measurement information of the target positioning reference signal.
  • Step 6 LMF sends LPP Request Location Information (LTE positioning protocol request location information) to the terminal;
  • Step 7 The terminal sends the LPP Provide Location Information (the LTE positioning protocol provides location information) to the LMF, and the LPP Provide Location Information carries the first measurement information of the target positioning reference signal.
  • LPP Provide Location Information the LTE positioning protocol provides location information
  • Step 8 The LMF locates the terminal according to the received first measurement information of the target positioning reference signal.
  • the target positioning reference signal is determined according to the first request information sent by the network side, and the specific steps are as follows:
  • Step 1 Terminal capability communication is performed between the terminal and the LMF.
  • the terminal reports the device capability information to the LMF.
  • the capability information reference may be made to the descriptions in the foregoing embodiments, and will not be described one by one.
  • Step 2 The terminal sends Request assistant data to the LMF
  • Step 3 The LMF sends the Provide assistant data (auxiliary support data) to the terminal, and the Provide assistant data carries the first auxiliary information;
  • Step 4 the base station sends a positioning reference signal (PRS) to the terminal;
  • PRS positioning reference signal
  • Step 5 The LMF sends LPP Request Location Information (LTE positioning protocol request location information) to the terminal, carrying the first request information; the content of the first request information refers to the description in the above embodiment, and will not be described one by one.
  • LPP Request Location Information LTE positioning protocol request location information
  • Step 6 The terminal determines the target positioning reference signal according to the first request information, and determines and measures the first measurement information of the target positioning reference signal.
  • Step 7 The terminal sends the LPP Provide Location Information (the LTE positioning protocol provides location information) to the LMF, and the LPP Provide Location Information carries the first measurement information of the target positioning reference signal.
  • LPP Provide Location Information the LTE positioning protocol provides location information
  • Step 8 The LMF locates the terminal according to the received first measurement information of the target positioning reference signal.
  • the network side dynamically indicates the reporting of the first measurement information of the adjacent or better PRS, and the specific steps are as follows:
  • Step 1 Terminal capability communication is performed between the terminal and the LMF.
  • the terminal reports the device capability information to the LMF.
  • the capability information reference may be made to the descriptions in the foregoing embodiments, and will not be described one by one.
  • Step 2 The terminal sends Request assistant data to the LMF
  • Step 3 The LMF sends the Provide assistant data (auxiliary support data) to the terminal, and the Provide assistant data carries the first auxiliary information;
  • Step 4 the base station sends a positioning reference signal (PRS) to the terminal;
  • PRS positioning reference signal
  • Step 5 the terminal determines the target positioning reference signal according to the first auxiliary information, and determines and measures the first measurement information of the target positioning reference signal;
  • Step 6 The terminal sends the LPP Provide Location Information (the LTE positioning protocol provides location information) to the LMF, and the LPP Provide Location Information carries the first measurement information of the target positioning reference signal.
  • LPP Provide Location Information the LTE positioning protocol provides location information
  • Step 7 the LMF determines the first request information according to the received first measurement information
  • Step 8 the base station or the LMF sends the first request information to the terminal;
  • Step 9 the terminal re-determines the target positioning reference signal according to the first request information, and determines and measures the first measurement information of the target positioning reference signal;
  • Step 10 The terminal reports the first measurement information of the re-measured target positioning reference signal to the LMF.
  • the reporting manner of the first measurement information of the target positioning reference signal includes at least one of the following manners:
  • Mode 1 Report the first measurement information of the first positioning reference signal, and report the first measurement information of the target positioning reference signal other than the first positioning reference signal in the additional measurement, for example, report the first measurement information of the adjacent PRS.
  • the following bold part is the first measurement information of the first positioning reference signal, and the part with horizontal lines is the first measurement information of the target positioning reference signal other than the first positioning reference signal.
  • Manner 3 Report the first measurement information and measurement reporting group information of the first positioning reference signal, where the measurement reporting group includes identification information and first measurement information of the target positioning reference signal other than the first positioning reference signal, such as phase The first measurement information of the neighboring PRS.
  • Mode 3 Report the first measurement information of the first positioning reference signal. If the network side indicates that the first measurement information of the adjacent beam needs to be reported, only the target positioning reference signal other than the first positioning reference signal needs to be reported in the additional measurement of the first measurement information.
  • Mode 4 Report the first measurement information and measurement reporting group information of the first positioning reference signal. If the network side indicates that the first measurement information of the adjacent beam needs to be reported, the measurement reporting group includes the first positioning reference signal except the first positioning reference signal. other than the first measurement information of the target positioning reference signal.
  • the LMF or the base station configures the UE precoding matrix pool (including the wideband precoding matrix pool and/or the narrowband precoding matrix pool); and/or
  • LMF or base station is configured to UE to generate the required parameters of the precoding matrix pool, such as antenna panel configuration information (antenna panel spacing, number, oversampling factor, etc.);
  • the UE obtains the precoding matrix pool and the angle information corresponding to each precoding matrix through at least one of the above two methods; the UE searches each precoding matrix in the precoding matrix pool according to the channel obtained by measurement , and the angle corresponding to the precoding matrix with the largest channel response is determined as the measured AoD angle.
  • the UE performs position calculation according to the AoD angle.
  • the UE reports location information and precoding matrix information (precoding matrix index and/or corresponding angle).
  • the LMF or the base station configures the UE precoding matrix pool (including the wideband precoding matrix pool and/or the narrowband precoding matrix pool); and/or
  • the LMF or the base station configures the parameters required for the UE to generate a precoding matrix pool, such as antenna panel configuration information (antenna panel spacing, number, oversampling factor, etc.);
  • the UE obtains the precoding matrix pool and the angle information corresponding to each precoding matrix through at least one of the above two methods; the UE searches each precoding matrix in the precoding matrix pool according to the channel obtained by measurement , and the angle corresponding to the precoding matrix with the largest channel response is determined as the measured AoD angle.
  • the UE reports the first measurement information, including at least one of the following:
  • the determined channel response (RSRP) corresponding to the precoding matrix that maximizes the channel response
  • the first-path channel response (first-path RSRP) corresponding to the determined precoding matrix that maximizes the channel response;
  • the channel response (RSRP) corresponding to the adjacent precoding matrix
  • First-path channel responses (first-path RSRP) corresponding to adjacent precoding matrices
  • the LMF calculates the AoD angle according to the first measurement information reported by the UE, and performs position calculation.
  • the definition of the first path includes one of the following:
  • the first path is the first path detected when a PRS resource or SRS resource is measured, that is, the path with the smallest distance between the time when the path is received and the start time of subframe i, where subframe i is the path where the PRS is received. resource or subframe of SRS resource;
  • the first path is the first path detected when a PRS resource or SRS resource is measured, that is, the path with the smallest distance between the time when the path is received and the start time of symbol i, where subframe i is the path where the PRS is received. symbol of resource or SRS resource;
  • the first path is to measure several PRS resources or SRS resources, and the path with the smallest delay among the first detected paths, where the first detected path under each PRS resources or SRS resources, that is, received
  • the path with the smallest distance between the time of the path and the start time of subframe i is the first path of the PRS resource or SRS resource, where subframe i is the subframe in which the PRS resources or SRS resources are received, and each first detected The path with the smallest delay among the paths is the first path;
  • the first path is to measure several PRS resources or SRS resources, and the path with the smallest delay among the first detected paths, in which the first detected path under each PRS resources or SRS resources is received.
  • the path with the smallest distance between the time of the path and the starting time of symbol i is the first path of the PRS resources or SRS resources, where the symbol i is the subframe in which the PRS resources or SRS resources are received, and the first detected path of each The path with the smallest delay is the first path;
  • first path RSRP includes one of the following:
  • the definition of the first radial phase includes one of the following:
  • the definition of the head radius angle includes one of the following:
  • the horizontal and/or vertical angle of the arrival/departure angle of the head path relative to a reference direction may be In the global coordinate system (GCS) or In the local coordinate system (LCS);
  • first path RSTD includes one of the following:
  • TSubframeRxj-TSubframeRxi The relative time difference of downlink subframes between transmission point (TP) j and reference TP i, defined as TSubframeRxj-TSubframeRxi, where downlink subframe j and downlink subframe i are respectively the subframes of the first path of the received positioning reference signal ;
  • first path TOA includes one of the following:
  • the execution body 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.
  • an embodiment of the present application further provides a positioning device 130, including:
  • a determining module 131 configured to determine a target positioning reference signal
  • a processing module 132 configured to determine the first measurement information of the target positioning reference signal, and/or report the first measurement information of the target positioning reference signal;
  • the target positioning reference signal is determined according to at least one of the following manners:
  • first auxiliary information sent by the network side, where the first auxiliary information is used to configure information related to positioning reference signal beams;
  • the first request information sent by the network side where the first request information is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • the first measurement information includes at least one of the following:
  • the first precoding matrix information is used to determine angle information, including at least one of the following:
  • the adjacent precoding matrix is indicated by at least one of the following manners:
  • the first measurement information further includes at least one of the following:
  • Reference signal time difference RSTD information or RSTD difference information of the first path Reference signal time difference RSTD information or RSTD difference information of the first path
  • Rx-Tx timing difference information or Rx-Tx timing difference difference information of other paths
  • the other diameters are diameters other than the first diameter or the reference diameter.
  • the first auxiliary information includes at least one of the following:
  • the first list of positioning reference signal identification information is identification information of positioning reference signals corresponding to beams adjacent to the positioning reference signal resource transmission beam
  • the second list of positioning reference signal identification information is identification information of positioning reference signals adjacent to the transmission beam
  • priority information corresponding to the positioning reference signal resource where the priority includes measurement and/or reporting priority
  • Types of transmit beams include at least one of the following: horizontal transmit beams, vertical transmit beams, and three-dimensional transmit beams;
  • the base station side antenna information further includes at least one of the following:
  • the second precoding matrix information includes at least one of the following:
  • the first list of positioning reference signal identification information includes at least one of the following:
  • the first list of identification information of the horizontal positioning reference signal
  • the first list of identification information of the three-dimensional direction positioning reference signal is the first list of identification information of the three-dimensional direction positioning reference signal.
  • the type of the second list of positioning reference signal identification information includes at least one of the following:
  • the second list of three-dimensional orientation reference signal identification information The second list of three-dimensional orientation reference signal identification information.
  • the transmit beam angle information includes at least one of the following:
  • the type of the sending beam index information includes at least one of the following:
  • 3D direction transmit beam index.
  • the sending beam group information includes at least one of the following:
  • the number of beams in the transmit beam group is the number of beams in the transmit beam group.
  • the type of transmission beam group identification information includes at least one of the following:
  • the beam group identification information is sent in the three-dimensional direction.
  • the sending beam group information further includes: second positioning reference signal identification information, where the second positioning reference signal identification information is configured by the network side and used to indicate a positioning reference signal corresponding to a center beam of a sending beam group .
  • the indication manner for sending beam group information includes at least one of the following:
  • the indication manner of the adjacent beams includes at least one of the following:
  • the target positioning reference signal is a positioning reference signal in the second list of positioning reference signal identification information.
  • the predefined rules include at least one of the following:
  • the target positioning reference signal includes a first positioning reference signal and a positioning reference signal corresponding to a transmission beam adjacent to the first positioning reference signal transmission beam;
  • the target positioning reference signal includes a first positioning reference signal and a positioning reference signal belonging to the same resource set or the same transmit beam group or the same priority as the first positioning reference signal, where the priority includes measurement and/or reporting priority;
  • the target positioning reference signal includes a positioning reference signal whose first measurement information is greater than first threshold information, wherein the first threshold information is predefined;
  • the first positioning reference signal includes at least one of the following:
  • RSRP is the largest positioning reference signal
  • the positioning reference signal with the largest first path RSRP The positioning reference signal with the largest first path RSRP
  • the positioning reference signal with the largest reference path RSRP The positioning reference signal with the largest reference path RSRP
  • the number of the target positioning reference signals is determined according to at least one of the following:
  • the positioning reference signal corresponding to the transmission beam adjacent to the first positioning reference signal transmission beam includes at least one of the following:
  • the positioning reference signal of the first positioning reference signal identifies the positioning reference signal in the first list.
  • the positioning reference signal corresponding to the transmission beam adjacent to the first positioning reference signal transmission beam is a positioning reference signal adjacent to the first positioning reference signal identification information
  • the identification information of the positioning reference signal are configured to be the same or in a one-to-one correspondence.
  • the transmission time sequence of the positioning reference signal is the same as or in a one-to-one correspondence with the transmission beam sequence:
  • a positioning reference signal adjacent to the reception time of the first positioning reference signal is
  • the first request information includes at least one of the following:
  • Priority information of a specific positioning reference signal includes measurement and/or reporting priority
  • the number of the target positioning reference signals measured and/or reported is the same as the number of the specific positioning reference signals.
  • the determining module 131 determines the target positioning reference signal in at least one of the following ways:
  • the target positioning reference signal is a positioning reference signal whose transmission beam angle information belongs to the transmission beam angle range;
  • the target positioning reference signal is a positioning reference signal whose first measurement information is greater than the second threshold information
  • the target positioning reference signal is a positioning reference signal corresponding to the specific positioning reference signal identification information
  • the target positioning reference signal is a positioning reference signal with the same transmit beam index information of a specific positioning reference signal
  • the target positioning reference signal is the same positioning reference signal as the specific positioning reference signal transmission beam group;
  • the target positioning reference signal is a positioning reference signal with the same priority as the transmission beam of the specific positioning reference signal.
  • the first request information is carried in at least one of the following messages:
  • the positioning device 130 further includes:
  • the first receiving module is configured to receive first indication information delivered by the network side, where the first indication information is used to indicate whether it is necessary to report the first measurement information of adjacent beams.
  • reporting the first measurement information of the target positioning reference signal includes at least one of the following:
  • the measurement reporting group includes identification information and first measurement information of target positioning reference signals other than the first positioning reference signal;
  • the measurement reporting group includes target positioning other than the first positioning reference signal.
  • the first measurement information of the reference signal If the network side indicates that the first measurement information of the adjacent beam needs to be reported, the measurement reporting group includes target positioning other than the first positioning reference signal. The first measurement information of the reference signal.
  • the positioning device 130 further includes:
  • a first reporting module configured to report device capability information to the network side, where the capability information includes at least one of the following:
  • determining the target positioning reference signal includes: if the number of adjacent beams that need to be measured and/or reported to the terminal is greater than the device capability of the terminal, determining the measurement according to the priority information corresponding to the positioning reference signal resource. and/or the reported target positioning reference signal.
  • the positioning device 130 further includes:
  • the second receiving module is configured to receive the second auxiliary information sent by the network side, and receive the positioning reference signal sent by the network side according to the second auxiliary information, where the second auxiliary information includes at least one of the following:
  • the transmission port of the positioning reference signal the number of times of transmission, and the mapping method of the positioning reference signal
  • the positioning reference signal supports the configuration of antenna switching
  • the positioning reference signal supports the mapping method of antenna switching
  • the number of sending ports indicates the number of ports used to send a positioning reference signal resource, and the number of sending times indicates the maximum number of positioning reference signal resources that can be sent under a positioning reference signal sending opportunity.
  • the send ports used for the second send cannot be exactly the same.
  • a guard interval of Q symbol lengths needs to be configured between two transmissions of the positioning reference signal resources, where the two transmissions of the positioning reference signal resources are transmitted in the same time slot, and Q is an integer greater than 0.
  • the corresponding relationship between the number of transmission ports of the positioning reference signal and the number of times of transmission, or the configuration of the positioning reference signal supporting antenna switching includes: the number of X transmission ports and the number of Y times of transmission.
  • the transmission port of the positioning reference signal, the number of times of transmission, and the mapping mode of the positioning reference signal, or, the mapping mode of the positioning reference signal supporting antenna switching includes at least one of the following:
  • N positioning reference signal resources in the L positioning reference signal resource sets are mapped to each transmission
  • the ports corresponding to each transmission are different, and M, L, N, A, B, C, D, and E are all integers greater than 0.
  • each positioning reference signal resource corresponds to each transmission
  • the first Y positioning reference signal resources correspond to Y times of transmission, and every Y repetition of subsequent positioning reference signal resources corresponds to Y times of transmission;
  • the number of positioning reference signal resources is less than the number of transmissions, the number of transmissions and the number of positioning reference signal resources are the same.
  • the first measurement information of each target positioning reference signal corresponds to the same receive beam, and the same receive beam includes at least one of the following:
  • the positioning device 130 further includes:
  • the second reporting module is configured to report the receiving beam information corresponding to the first measurement information of each target positioning reference signal, including at least one of the following:
  • the positioning device in this embodiment of the present application may be a device, a device with an operating system, or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the positioning apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application further provides a positioning device 140, including:
  • the first sending module 141 is configured to send at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the receiving module 142 is configured to receive first auxiliary information sent by the base station, where the first auxiliary information is used to configure information related to positioning reference signal beams.
  • the first auxiliary information includes at least one of the following:
  • the first list of positioning reference signal identification information is identification information of positioning reference signals corresponding to beams adjacent to the positioning reference signal resource transmission beam
  • the second list of positioning reference signal identification information is identification information of positioning reference signals adjacent to the transmission beam
  • priority information corresponding to the positioning reference signal resource where the priority includes measurement and/or reporting priority
  • Types of transmit beams include at least one of the following: horizontal transmit beams, vertical transmit beams, and three-dimensional transmit beams;
  • the first request information includes at least one of the following:
  • Priority information of a specific positioning reference signal includes measurement and/or reporting priority
  • the first request information is carried in at least one of the following messages:
  • the network side device further includes:
  • the second sending module is configured to send first indication information to the terminal, where the first indication information is used to indicate whether it is necessary to report the first measurement information of adjacent beams.
  • the network side device further includes:
  • the third sending module is configured to send second auxiliary information to the terminal, where the second auxiliary information includes at least one of the following:
  • the transmission port of the positioning reference signal the number of times of transmission, and the mapping method of the positioning reference signal
  • the positioning reference signal supports the configuration of antenna switching
  • the positioning reference signal supports the mapping method of antenna switching
  • the number of sending ports indicates the number of ports used to send a positioning reference signal resource, and the number of sending times indicates the maximum number of positioning reference signal resources that can be sent under a positioning reference signal sending opportunity.
  • the send ports used for the second send cannot be exactly the same.
  • a guard interval of Q symbol lengths needs to be configured between two transmissions of the positioning reference signal resources, where the two transmissions of the positioning reference signal resources are transmitted in the same time slot, and Q is an integer greater than 0.
  • the network side device further includes:
  • a receiving module configured to receive the first measurement information of the target positioning reference signal reported by the terminal
  • the first measurement information includes at least one of the following:
  • the first measurement information further includes at least one of the following:
  • Reference signal time difference RSTD information or RSTD difference information of the first path Reference signal time difference RSTD information or RSTD difference information of the first path
  • Rx-Tx timing difference information or Rx-Tx timing difference difference information of other paths
  • the other diameters are diameters other than the first diameter or the reference diameter.
  • the positioning apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 8 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a positioning device 150, including:
  • the first sending module 151 is configured to send at least one of the following to the terminal:
  • first auxiliary information where the first auxiliary information is used to configure information related to positioning reference signal beams
  • first request information where the first request information is used to indicate a positioning reference signal or a configuration update that the network side expects to report;
  • the second sending module 152 is configured to send first auxiliary information to the LMF, where the first auxiliary information is used to configure information related to positioning reference signal beams.
  • the first auxiliary information includes at least one of the following:
  • the first list of positioning reference signal identification information is the identification information of the positioning reference signal corresponding to the beam adjacent to the positioning reference signal resource transmission beam
  • the second list of positioning reference signal identification information is identification information of positioning reference signals adjacent to the transmission beam
  • priority information corresponding to the positioning reference signal resource where the priority includes measurement and/or reporting priority
  • Types of transmit beams include at least one of the following: horizontal transmit beams, vertical transmit beams, and three-dimensional transmit beams;
  • the first request information includes at least one of the following:
  • Priority information of a specific positioning reference signal includes measurement and/or reporting priority
  • the first request information is carried in at least one of the following messages:
  • the positioning apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 9 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application further provides a communication device 160, including a processor 161, a memory 162, and a program or instruction stored in the memory 162 and executable on the processor 161, for example, the communication
  • the device 160 is a terminal
  • the program or instruction is executed by the processor 161
  • each process of the above-mentioned embodiment of the positioning method executed by the terminal can be realized, and the same technical effect can be achieved.
  • the communication device 160 is an LMF
  • the program or instruction is executed by the processor 161
  • each process of the above-mentioned embodiment of the positioning method executed by the LMF can be realized, and the same technical effect can be achieved.
  • the communication device 160 is a base station
  • the program or instruction is executed by the processor 161
  • each process of the above-mentioned positioning method embodiment executed by the base station can be implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to determine a target positioning reference signal; determine first measurement information of the target positioning reference signal, and/or report the target positioning reference signal The first measurement information is used to determine the terminal location information; wherein, the target positioning reference signal is determined according to at least one of the following methods: a predefined rule; the first auxiliary information sent by the network side, the The first auxiliary information is used to configure information related to the positioning reference signal beam; the first request information sent by the network side is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 17 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 170 includes but is not limited to: a radio frequency unit 171, a network module 172, an audio output unit 173, an input unit 174, a sensor 175, a display unit 176, a user input unit 177, an interface unit 178, a memory 179, and a processor 1710, etc. at least part of the components.
  • the terminal 170 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 17 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 174 may include a graphics processor (Graphics Processing Unit, GPU) 1741 and a microphone 1742. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 176 may include a display panel 1761, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 177 includes a touch panel 1771 and other input devices 1772 .
  • the touch panel 1771 is also called a touch screen.
  • the touch panel 1771 may include two parts, a touch detection device and a touch controller.
  • Other input devices 1772 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 171 receives the downlink data from the network side device, and then processes it to the processor 1710; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 171 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.
  • Memory 179 may be used to store software programs or instructions as well as various data.
  • the memory 179 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 179 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile 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 1710 may include one or more processing units; optionally, the processor 1710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1710.
  • the processor 1710 is configured to determine the target positioning reference signal; and, determine the first measurement information of the target positioning reference signal, and/or report the first measurement information of the target positioning reference signal, the first The measurement information is used to determine terminal location information;
  • the target positioning reference signal is determined according to at least one of the following manners:
  • first auxiliary information sent by the network side, where the first auxiliary information is used to configure information related to positioning reference signal beams;
  • the first request information sent by the network side where the first request information is used to indicate the positioning reference signal or configuration update that the network side expects to report.
  • the terminal is instructed to measure and/or report which target positioning reference signal first measurement information is more conducive to improving positioning accuracy, so that the UE can determine For better positioning reference signals, the first measurement results of these positioning reference signals are reported, so that the accuracy of AoD can be improved.
  • the first measurement information includes at least one of the following:

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Abstract

La présente demande se rapporte au domaine technique des communications sans fil et concerne un procédé de positionnement, ainsi qu'un terminal et un dispositif côté réseau. Selon les modes de réalisation de la présente demande, le procédé de positionnement comprend les étapes suivantes : un terminal détermine un signal de référence de positionnement cible; et le terminal détermine les premières informations de mesure du signal de référence de positionnement cible, et/ou rapporte les premières informations de mesure du signal de référence de positionnement cible, les premières informations de mesure servant à déterminer les informations de position du terminal, le signal de référence de positionnement cible étant déterminé selon au moins l'un des modes suivants : une règle prédéfinie; des premières informations auxiliaires envoyées par un côté réseau, les premières informations auxiliaires servant à configurer des informations relatives à un faisceau de signal de référence de positionnement; et des premières informations de demande envoyées par le côté réseau, les premières informations de demande servant à indiquer le signal de référence de positionnement ou la mise à jour de configuration que le côté réseau s'attend à rapporter.
PCT/CN2022/080913 2021-03-17 2022-03-15 Procédé de positionnement, terminal et dispositif côté réseau WO2022194144A1 (fr)

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