WO2024016215A1 - Procédé et appareil de communication, dispositif, support d'enregistrement, puce, produit et programme - Google Patents

Procédé et appareil de communication, dispositif, support d'enregistrement, puce, produit et programme Download PDF

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Publication number
WO2024016215A1
WO2024016215A1 PCT/CN2022/106753 CN2022106753W WO2024016215A1 WO 2024016215 A1 WO2024016215 A1 WO 2024016215A1 CN 2022106753 W CN2022106753 W CN 2022106753W WO 2024016215 A1 WO2024016215 A1 WO 2024016215A1
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Prior art keywords
terminal
reference signal
positioning
positioning reference
identification
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PCT/CN2022/106753
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English (en)
Chinese (zh)
Inventor
赵振山
张世昌
马腾
丁伊
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/106753 priority Critical patent/WO2024016215A1/fr
Publication of WO2024016215A1 publication Critical patent/WO2024016215A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Definitions

  • the embodiments of this application relate to the field of mobile communication technology, and specifically relate to a communication method, device, equipment, storage medium, chip, product and program.
  • Wireless positioning technology uses wireless communication networks to measure some parameters of received radio waves and determine the location of a terminal within a certain period of time according to a specific algorithm in order to provide relevant location information to the end user. Information services or real-time monitoring and tracking.
  • the terminal may send a positioning reference signal so that the device that receives the positioning reference signal determines the location of the terminal.
  • how the terminal determines the transmitted positioning reference signal is an issue that has not been considered in this field.
  • Embodiments of the present application provide a communication method, device, equipment, storage medium, chip, product and program.
  • embodiments of the present application provide a communication method, which method includes:
  • the first terminal determines the first identity from the predetermined identity set
  • the first terminal sends a first positioning reference signal to the second terminal according to the first identifier.
  • embodiments of the present application provide a communication method, which method includes:
  • the second terminal receives the first positioning reference signal sent by the first terminal; wherein the first positioning reference signal is determined according to the first identifier in the predetermined identifier set.
  • embodiments of the present application provide a communication method, which method includes:
  • the network device configures a predetermined identifier set to the first terminal; the predetermined identifier set includes a first identifier, and the first identifier is used to determine the first positioning reference signal sent by the first terminal to the second terminal.
  • an embodiment of the present application provides a communication device, including:
  • a determining unit configured to determine the first identity from the predetermined identity set
  • the communication unit is configured to send a first positioning reference signal to the second terminal according to the first identification.
  • embodiments of the present application provide a communication device, including:
  • a communication unit configured to receive a first positioning reference signal sent by the first terminal; wherein the first positioning reference signal is determined according to a first identifier in a predetermined identifier set.
  • embodiments of the present application provide a communication device, including:
  • a communication unit configured to configure a predetermined identifier set to the first terminal; the predetermined identifier set includes a first identifier, and the first identifier is used to determine the first positioning reference signal sent by the first terminal to the second terminal.
  • embodiments of the present application provide a communication device, including: a processor and a memory,
  • the memory stores a computer program executable on the processor
  • embodiments of the present application provide a computer storage medium that stores one or more programs, and the one or more programs can be executed by one or more processors to implement the first aspect. , the method described in the second aspect or the third aspect.
  • embodiments of the present application provide a chip, including: a processor configured to call and run a computer program from a memory to implement the method described in the first aspect, the second aspect, or the third aspect.
  • inventions of the present application provide a computer program product.
  • the computer program product includes a computer storage medium.
  • the computer storage medium stores a computer program.
  • the computer program includes instructions that can be executed by at least one processor. When When the instructions are executed by the at least one processor, the method of the first aspect, the second aspect or the third aspect is implemented.
  • embodiments of the present application provide a computer program, which causes a computer to execute the method described in the first aspect, the second aspect, or the third aspect.
  • the first terminal determines a first identifier from a predetermined identifier set; the first terminal sends a first positioning reference signal to the second terminal based on the first identifier. In this way, the first terminal can determine the first positioning reference signal to send to the second terminal based on the first identifier determined from the predetermined identifier set, so that the first terminal can determine the first positioning reference signal to send to the second device.
  • Figure 1 is a schematic diagram of intranet communication within network coverage provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of side-link communication with partial network coverage provided by an embodiment of the present application
  • Figure 3 is a schematic diagram of network coverage outside line communication provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of side communication with a central control node provided by an embodiment of the present application.
  • Figure 5 is a schematic diagram of a unicast transmission method provided by an embodiment of the present application.
  • Figure 6 is a schematic diagram of a multicast transmission method provided by an embodiment of the present application.
  • Figure 7 is a schematic diagram of a broadcast transmission method provided by an embodiment of the present application.
  • Figure 8 is a schematic diagram of an NR-V2X system frame structure provided by an embodiment of the present application.
  • Figure 9 is a schematic diagram of another NR-V2X system frame structure provided by an embodiment of the present application.
  • Figure 10 is a schematic diagram of another NR-V2X system frame structure provided by an embodiment of the present application.
  • Figure 11 is a schematic diagram of the PSSCH DMRS frequency domain position provided by the embodiment of this application.
  • Figure 12 is a schematic flow chart of a communication method provided by an embodiment of the present application.
  • Figure 13 is a schematic flow chart of a communication method provided by an embodiment of the present application.
  • Figure 14 is a schematic flow chart of yet another communication method provided by an embodiment of the present application.
  • Figure 15 is a schematic diagram of network device-based positioning provided by an embodiment of the present application.
  • Figure 16 is a schematic diagram of terminal-based positioning provided by an embodiment of the present application.
  • Figure 17 is a schematic diagram for determining whether to feed back a positioning reference signal according to an embodiment of the present application.
  • Figure 18 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 19 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • Figure 20 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • Figure 21 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 22 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • side communication according to the network coverage of the communicating terminal equipment, it can be divided into side communication within the network coverage, side communication with partial network coverage, side communication outside the network coverage, and side communication with a central control node. , as shown in Figures 1 to 4 respectively.
  • Figure 1 is a schematic diagram of a side communication within a network coverage provided by an embodiment of the present application. As shown in Figure 1, in the side communication within a network coverage, all terminal devices performing side communication are within the coverage of the same network device. , thus, the above-mentioned terminal devices can all perform side-link communication based on the same side-link configuration by receiving the configuration signaling of the network device.
  • FIG. 2 is a schematic diagram of side communication with partial network coverage provided by an embodiment of the present application.
  • some terminal devices performing side communication are located within the coverage of the network equipment.
  • this part of the terminal equipment can receive the configuration signaling of the network equipment, and perform side communication according to the configuration of the network equipment.
  • the terminal device located outside the network coverage cannot receive the configuration signaling of the network device.
  • the terminal device outside the network coverage will use the pre-configuration information and the terminal located within the network coverage.
  • the information carried in the Physical Sidelink Broadcast CHannel (PSBCH) sent by the device determines the sidelink configuration and performs sidelink communication.
  • PSBCH Physical Sidelink Broadcast CHannel
  • Figure 3 is a schematic diagram of side-line communication outside network coverage provided by an embodiment of the present application. As shown in Figure 3, for side-line communication outside network coverage, all terminal devices performing side-line communication are located outside the network coverage.
  • the side-link configuration can be determined based on the pre-configuration information for side-link communication.
  • FIG 4 is a schematic diagram of side communication with a central control node provided by an embodiment of the present application.
  • multiple terminal devices for side communication with a central control node, multiple terminal devices (for example, terminal devices 1-3 ) constitutes a communication group.
  • the communication group has a central control node, which can also become a cluster head (Cluster Header, CH) terminal device.
  • the central control node has at least one of the following functions: responsible for the establishment of the communication group, the Functions such as joining and/or leaving, resource coordination, allocating side-link transmission resources to other terminal devices, receiving side-link feedback information from other terminal devices, and resource coordination with other communication groups.
  • Device-to-device communication is a Sidelink (SL) transmission technology based on Device to Device (D2D). It is different from the way communication data is received or sent through network devices in traditional cellular systems. Devices Communication to the device has higher spectral efficiency and lower transmission delay.
  • the Internet of Vehicles system uses direct communication from device to device.
  • the 3rd Generation Partnership Project (3GPP) defines two transmission modes: the first mode and the second mode.
  • the transmission resources of the terminal device can be allocated by the network device, and the terminal device can send data on the sidelink according to the resources allocated by the network device; the network device can allocate resources for a single transmission to the terminal device, Semi-static transmission resources can also be allocated to terminal devices. As shown in Figure 1, the terminal device is located within the network coverage, and the network allocates transmission resources for sidelink transmission to the terminal device.
  • the terminal device can select a resource in the resource pool for data transmission. As shown in Figure 3, the terminal device is located outside the cell coverage, and the terminal device can independently select transmission resources from the preconfigured resource pool for side transmission; or in Figure 1, the terminal device can independently select from the network configured resource pool. Transmission resources for sideline transmission.
  • Second mode resource selection follows the following two steps:
  • Step 1 The terminal device uses all available resources in the resource selection window as resource set A.
  • the terminal device uses the value set of the "resource reservation period" field in the resource pool configuration used to determine the corresponding time slot within the selection window.
  • the terminal device listens to the Physical Sidelink Control Channel (PSCCH) within the listening window, measure the Reference Signal Received Power (RSRP) of the PSCCH or the physical sidelink sharing of the PSCCH schedule.
  • RSRP of the channel Physical Sidelink Shared Channel, PSSCH
  • PSSCH Physical Sidelink Shared Channel
  • the possible values of the above X are ⁇ 20, 35, 50 ⁇ , and the terminal device determines the parameter X from the value set according to the priority of the data to be sent.
  • the above-mentioned SL-RSRP threshold is related to the priority carried in the PSCCH heard by the terminal device and the priority of the data to be sent by the terminal device.
  • the terminal device uses the remaining resources after resource exclusion in set A as a candidate resource set.
  • Step 2 The terminal device randomly selects several resources from the candidate resource set as its sending resources for initial transmission and retransmission.
  • NR New Radio
  • V2X Vehicle-to-Everything
  • the receiving device has an end device.
  • FIG. 5 is a schematic diagram of a unicast transmission method provided by an embodiment of the present application. As shown in Figure 5, unicast transmission can be performed between terminal device 1 and terminal device 2.
  • Figure 6 is a schematic diagram of a multicast transmission method provided by an embodiment of the present application.
  • the receiving end device can be all terminal devices in a communication group, or it can be in a certain transmission All terminal devices within distance.
  • terminal device 1, terminal device 2, terminal device 3 and terminal device 4 form a communication group, in which terminal device 1 sends data, and other terminal devices in the group can be receiving devices.
  • Figure 7 is a schematic diagram of a broadcast transmission method provided by an embodiment of the present application.
  • the receiving end device can be any terminal device around the sending end device.
  • terminal device 1 is The sending device and other terminal devices around it (ie, terminal device 2 to terminal device 6) are all receiving devices.
  • FIG 8 is a schematic diagram of an NR-V2X system frame structure provided by an embodiment of the present application. As shown in Figure 8, the horizontal axis is time and the vertical axis is frequency. In NR-V2X, PSSCH and its associated PSCCH are transmitted in the same time slot, and PSCCH can occupy 2 or 3 time domain symbols ( Figure 8 shows that it occupies 3 time domain symbols).
  • the time domain resource allocation of NR-V2X uses time slot as the allocation granularity. Configure the starting point and length of the time domain symbols used for sidelink transmission in a time slot through the parameters sidelink-start symbol (sl-startSymbols) and sidelink-symbol length (sl-lengthSymbols).
  • PSSCH and PSCCH can only use the remaining time domain symbols. However, if a physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH) is configured in a time slot ) transmission resources, PSSCH and PSCCH cannot occupy the time domain symbols used for PSFCH transmission, and the GP symbols before this symbol.
  • PSFCH Physical Sidelink Feedback Channel
  • the PSFCH occupies symbols 11 and 12
  • symbols 10 and 13 are used as GPs respectively
  • the time domain symbols that can be used for PSSCH transmission are symbols 3 to 9
  • PSCCH occupies 2 time domain symbols, namely symbols 4 and 5.
  • Symbol index 0-2 are symbols that are not available for sidelinks.
  • FIG. 9 is a schematic diagram of another NR-V2X system frame structure provided by an embodiment of the present application.
  • the horizontal axis is time and the vertical axis is frequency.
  • PSCCH and PSSCH there may also be PSFCH in a sidelink time slot in NR-V2X.
  • the first Orthogonal Frequency Division Multiplexing (OFDM) symbol is copied Information sent on the second symbol, which is usually used for Automatic Gain Control (AGC).
  • AGC Automatic Gain Control
  • transceiver conversion which is used for the UE to transition from the transmit (or receive) state to the receive (or transmit) state.
  • the PSCCH may occupy two or three OFDM symbols starting from the second siderow symbol (in the corresponding embodiment of FIG. 9, the PSCCH occupies three OFDM symbols starting from the second siderow symbol).
  • symbol in the frequency domain, the number of Physical Resource Blocks (PRBs) occupied by the PSCCH is within the sub-band range of a PSSCH. If the number of PRBs occupied by the PSCCH is less than the size of a sub-channel of the PSSCH, or,
  • the frequency domain resources of PSSCH include multiple sub-channels, so on the OFDM symbol where PSCCH is located, PSCCH can be frequency-division multiplexed with PSSCH.
  • the symbol with index 0 is used for AGC
  • the symbols with index 1, index 4 and index 7 are also used to transmit the demodulation reference signal (Demodulation Reference Signal, DMRS)
  • the symbols with index 10 and index 13 are used for GP.
  • the symbol with index 11 is used for AGC of PSFCH reception and the 12th symbol is used for transmitting PSFCH. Symbols with indexes 2-3, 5-6, and 8-9 can also be used to transmit PSSCH.
  • the index corresponding to the i-th symbol is i-1, and i is an integer greater than or equal to 1.
  • symbols and OFDM symbols are understood the same.
  • the DMRS of PSSCH in NR-V2X draws on the design of the NR Uu interface and uses multiple time domain PSSCH DMRS patterns.
  • the number of DMRS patterns that can be used is related to the number of PSSCH symbols in the resource pool. For a specific number of PSSCH symbols (including the first AGC symbol) and the number of PSCCH symbols, the available DMRS patterns and each The position of DMRS symbols is determined. Table 1 shows the number and position of DMRS symbols under different numbers of PSSCH and PSCCH symbols:
  • Figure 10 is a schematic diagram of another NR-V2X system frame structure provided by an embodiment of the present application. As shown in Figure 10, the horizontal axis is time and the vertical axis is frequency. Symbols with index 0 are used for AGC, symbols with index 1-2 are used to transmit PSCCH, symbols with indexes 1, 4, 7, and 10 are used to transmit DMRS, and symbols with index 13 are GP. Symbols with indexes 2-3, 5-6, 8-9, and 11-12 can also be used to transmit PSSCH.
  • the specific time-domain DMRS pattern used is selected by the sending UE and indicated in the first-level sidelink control information (Sidelink Control Information, SCI).
  • SCI Servicelink Control Information
  • PSSCH DMRS sequence is almost the same as that of PSCCH DMRS sequence.
  • the only difference lies in the initialization formula c init of pseudo-random sequence c(m), p i is the i-th cyclic redundancy check (Cyclic Redundancy Checksum, CRC) of the PSCCH that schedules the PSSCH, and L 24 is the number of bits of the PSCCH CRC.
  • CRC Cyclic Redundancy Checksum
  • NR Physical Downlink Shared Channel (PDSCH) and Physical Uplink Shared Channel (PUSCH) support two frequency domain DMRS patterns, namely DMRS frequency domain type 1 and DMRS frequency domain type 2, and for For each frequency domain type, there are two different types: single DMRS symbol and dual DMRS symbol.
  • Single-symbol DMRS frequency domain type 1 supports 4 DMRS ports
  • single-symbol DMRS frequency domain type 2 can support 6 DMRS ports, and in the case of dual DMRS symbols, the number of supported ports doubles.
  • PSSCH only needs to support up to two DMRS ports, only single-symbol DMRS frequency domain type 1 is supported.
  • FIG 11 is a schematic diagram of the PSSCH DMRS frequency domain location provided by the embodiment of the present application. As shown in Figure 11, the PSSCH DMRS on the resource element (Resource Element, RE) index 0, 2, 4, 6, 8 or 10 supports port 0 or Port 1.
  • Resource element Resource Element, RE
  • Positioning based on side lines is one of the enhancement solutions for positioning technology.
  • the enhancement solution will consider scenarios and requirements that support NR positioning use cases within cellular network coverage, partial coverage and outside coverage.
  • Positioning method that combines lateral measurements and Uu interface measurements
  • Sidelink positioning reference signal including signal design, physical layer control signaling, resource allocation, physical layer measurement quantities, and related physical layer processes
  • Positioning system architecture and signaling processes such as configuration, measurement reporting, etc.
  • the terminal can directly determine its own absolute geographical location based on the measurement results.
  • Absolute positioning can be called terminal-based absolute positioning.
  • the terminal can report the measurement results to a positioning server, such as Location Management Function (LMF), and then the LMF calculates the absolute position of the terminal and notifies the terminal. This method is called terminal-assisted absolute positioning.
  • LMF Location Management Function
  • the terminal can estimate the relative distance and relative direction based on the received positioning reference signal, estimating the round-trip time (RTT), angle of arrival, signal reception strength and other information. .
  • RTT round-trip time
  • the terminal needs to send a positioning sequence or Sidelink-Positioning Reference Signal (SL-PRS).
  • S-PRS Sidelink-Positioning Reference Signal
  • how to determine the positioning reference signal is a problem that needs to be solved.
  • LTE Long Term Evolution
  • TDD LTE Time Division Duplex
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • IoT Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • 5G communication systems Also known as New Radio (NR) communication system
  • NR New Radio
  • future communication system such as 6G, 7G communication system
  • the network equipment in the embodiment of the present application may include access network equipment and/or core network equipment.
  • the access network device can provide communication coverage for a specific geographical area and can communicate with terminal equipment (eg, UE) located within the coverage area.
  • terminal equipment eg, UE
  • the terminal device in the above embodiment can be applied to the first terminal or the second terminal in the embodiment of the present application.
  • the first terminal or the second terminal in the embodiment of this application may be called user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), user unit, user station, Mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
  • UE User Equipment
  • MS Mobile Station
  • MT mobile terminal
  • user unit user station
  • Mobile station Remote station
  • remote terminal mobile device
  • user terminal user terminal
  • wireless communication device user agent or user device.
  • the first terminal or the second terminal may include one of the following or a combination of at least two: Internet of Things (IoT) equipment, satellite terminal, Wireless Local Loop (Wireless Local Loop, WLL) station, personal digital assistant (Personal Digital Assistant, PDA), handheld device with wireless communication function, computing device or other processing device connected to a wireless modem, server, mobile phone (mobile phone), tablet computer (Pad), computer with wireless transceiver function, handheld Computers, desktop computers, personal digital assistants, portable media players, smart speakers, navigation devices, smart watches, smart glasses, smart necklaces and other wearable devices, pedometers, digital TVs, virtual reality (VR) terminals Equipment, augmented reality (AR) terminal equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, smart grids Wireless terminals in (smart grid), wireless terminals in transportation safety (transportation safety), wireless terminals in smart city (smart city), wireless terminals in smart home (smart home), and vehicles and vehicle-mounted devices in the Internet of
  • the first terminal or the second terminal may be any terminal device, including but not limited to terminal devices that adopt wired or wireless connections with the network device 120 or other terminal devices.
  • the first terminal or the second terminal may be used for D2D communication.
  • Access network equipment may include one of the following or at least a combination of both: evolutionary base station (Evolutional Node B, eNB or eNodeB) in the Long Term Evolution (LTE) system, next generation wireless access network (Next Generation) Radio Access Network (NG RAN) equipment, base stations (gNB) in NR systems, small stations, micro stations, wireless controllers in Cloud Radio Access Network (CRAN), Wireless-Fidelity (Wireless-Fidelity) , Wi-Fi) access point, transmission reception point (TRP), relay station, access point, vehicle-mounted device, wearable device, hub, switch, bridge, router, future evolved public land mobile network Network equipment in (Public Land Mobile Network, PLMN), etc.
  • evolutionary base station Evolutional Node B, eNB or eNodeB
  • NG RAN next generation wireless access network
  • gNB base stations
  • CRAN Cloud Radio Access Network
  • Wireless-Fidelity Wireless-Fidelity
  • Wi-Fi Wi-Fi
  • the core network equipment can be 5G core network (5G Core, 5GC) equipment.
  • the core network equipment can include one or at least a combination of the following: Access and Mobility Management Function (AMF), authentication server Function (Authentication Server Function, AUSF), User Plane Function (UPF), Session Management Function (Session Management Function, SMF), Location Management Function (LMF), Policy Control Function (Policy Control Function, PCF).
  • AMF Access and Mobility Management Function
  • AUSF Authentication Server Function
  • UPF User Plane Function
  • Session Management Function Session Management Function
  • SMF Session Management Function
  • LMF Location Management Function
  • Policy Control Function Policy Control Function
  • PCF Policy Control Function
  • the core network device may also be the Evolved Packet Core (EPC) device of the LTE network, for example, the session management function + core network data gateway (Session Management Function + Core Packet Gateway, SMF + PGW-C) equipment.
  • EPC Evolved Packet Core
  • SMF+PGW-C can simultaneously realize the functions that SMF and PGW-C can realize.
  • the above-mentioned core network equipment may also be called by other names, or a new network entity may be formed by dividing the functions of the core network, which is not limited by the embodiments of this application.
  • system and "network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship that describes related objects, indicating that three relationships can exist. For example, A and/or B can mean: A exists alone, A and B exist simultaneously, and they exist alone. B these three situations.
  • the character "/” in this article generally indicates that the related objects are an "or” relationship.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • the "correspondence” mentioned in the embodiments of this application can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed. , configuration and configured relationship.
  • the "predefined”, “protocol agreement”, “predetermined” or “predefined rules” mentioned in the embodiments of this application can be preset in the equipment (for example, including terminal equipment and network equipment).
  • predefined can refer to what is defined in the protocol.
  • the "protocol" may refer to a standard protocol in the communication field, which may include, for example, LTE protocol, NR protocol, and related protocols applied in future communication systems. This application does not limit this. .
  • Figure 12 is a schematic flow chart of a communication method provided by an embodiment of the present application. As shown in Figure 12, the method includes:
  • the first terminal determines the first identity from the predetermined identity set.
  • the first terminal sends a first positioning reference signal to the second terminal according to the first identifier.
  • the predetermined identification set may be a pre-obtained identification set.
  • the predetermined identity set may include one or more identity sets, each of the one or more identity sets including at least one identity.
  • the identities in an identity set do not have the same identity, or the same identity exists.
  • the predetermined identification set includes multiple identification sets, the same identification may exist among the identifications included in different identification sets, or the same identification may not exist among the identifications included in different identification sets.
  • the predetermined identification set includes a first identification set and a second identification set, and both the first identification set and the second identification set may include the first identification, or, in the case where the first identification set includes the first identification, the second identification set The collection does not include the first identifier.
  • the first terminal determines the first identifier from a predetermined identifier set, which may include: the first terminal directly selects the first identifier from the predetermined identifier set according to a predetermined rule.
  • the first terminal determines the first identity from the predetermined identity set, which may include: the first terminal selects the first identity set from the predetermined identity set, and selects the first identity from the first identity set.
  • the first terminal determines the first identity from the predetermined identity set, which may include: if the predetermined identity set includes only one identity set, that is, the first identity set, the first terminal selects the first identity from the first identity set. .
  • S1202 may include: the first terminal determines a first positioning reference signal according to the first identifier; and the first terminal sends the first positioning reference signal to the second terminal.
  • the first terminal sending the first positioning reference signal to the second terminal may include: the first terminal sending the first positioning reference signal in a broadcast/multicast manner, so that the first terminal can send the first positioning reference signal to the second terminal.
  • a certain positioning reference signal may include: the first terminal sending the first positioning reference signal to the second terminal in a unicast manner.
  • the first positioning reference signal can be carried in the sideline control information SCI, PC5 Radio Resource Control (PC5-Radio Resource Control, PC5-RRC) signaling or media access control (Media Access Control, MAC) control element ( Control Element, CE).
  • sideline control information SCI PC5 Radio Resource Control (PC5-Radio Resource Control, PC5-RRC) signaling or media access control (Media Access Control, MAC) control element ( Control Element, CE).
  • PC5 Radio Resource Control PC5-Radio Resource Control, PC5-RRC
  • media access control Media Access Control, MAC
  • CE Control Element
  • the identifier (such as the first identifier or the second identifier described below) included in the predetermined identifier set in any embodiment of this application may be one of the following: positioning reference signal identifier, positioning reference signal identifier, sequence identifier, signal identifier .
  • the positioning reference signal in any embodiment of the present application can be interpreted the same as at least one of the following: : positioning sequence, reference sequence, positioning reference sequence, side row sequence, side row positioning sequence, side row reference sequence, positioning signal sequence, reference signal sequence, positioning reference signal sequence, side row signal sequence, side row positioning signal sequence, side row row reference signal sequence, side row positioning reference signal sequence, side link positioning reference signal sequence, side link positioning reference signal, side row positioning reference signal, side row reference signal, side row reference signal, side row positioning signal, positioning reference signal, reference signals, positioning signals, etc.
  • the positioning reference signal can be determined according to formula (1):
  • r(m) represents the positioning reference signal sequence
  • m is an integer greater than or equal to 0.
  • the pseudo-random sequence c(n) is determined according to the following formula (2) to formula (4):
  • x 1 (n+31) (x 1 (n+3)+x 1 (n))mod2 (3);
  • x 2 (n+31) (x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod2 (4);
  • x 1 (n+N C ) and x 2 (n+N C ) are determined using formula (3) and formula (4) respectively.
  • the initialization of the second m sequence x 2 (n) can be identified according to the positioning reference signal sequence Sure.
  • the initialization of x 2 (n) may include values from x 2 (0) to x 2 (30).
  • the second m sequence x 2 (n) is initialized according to determined, and the value of c init is identified according to the positioning reference signal sequence Sure. According to different positioning reference signal sequence identification A corresponding positioning reference signal sequence can be generated. For example, c init is determined according to formula (5):
  • the value of c init is 1. In order to make both sides equal, since 2 0 is 1, x 2 (0) is 1, and other values other than x 2 (0) (including x 2 (1) to x 2 ( 30)) are all 0. For another example, the value of c init is 2. In order to make both sides equal, since 2 1 is 2, x 2 (1) is 1, and other values other than x 2 (1) (including x 2 (0), x 2 (2) to x 2 (30)) are all 0. Therefore, through the value of c init , the values of x 2 (0) to x 2 (30) can be obtained.
  • the above embodiment provides an implementation method of determining the positioning reference signal based on the positioning reference signal sequence identifier. In other embodiments, there may be other ways to determine the positioning reference signal based on the positioning reference signal sequence identifier. The embodiments of the present application do not limit this, and any implementation that can determine the positioning reference signal based on the positioning reference signal sequence identifier should be within the protection scope of the present application.
  • the embodiments of this application can provide how to determine the positioning reference signal sequence identifier Methods.
  • the first positioning reference signal may be determined based on the above method.
  • the positioning reference signal sequence identifier is the following second identifier
  • the following second positioning reference signal may be determined based on the above method.
  • the positioning reference signal sequence identifier is the first identifier
  • the following third positioning reference signal may be determined based on the above method.
  • the first positioning reference signal is used to determine the location information of the first terminal and/or the location information of the second terminal.
  • the location information of the first terminal may include the current location information of the first terminal and/or the location information of the first terminal relative to the second terminal.
  • the location information of the second terminal may include the current location information of the second terminal and/or the location information of the second terminal relative to the first terminal.
  • the current location information may include at least one of the following: latitude and longitude information, altitude information (or altitude information), and location coordinate information.
  • the position information of the first terminal relative to the second terminal may include: the distance between the first terminal and the second terminal, and/or the azimuth angle and/or elevation angle of the first terminal relative to the second terminal.
  • the position information of the second terminal relative to the first terminal may include: the distance between the second terminal and the first terminal, and/or the azimuth angle and/or pitch of the second terminal relative to the first terminal. horn.
  • the first terminal may receive the location information of the first terminal and/or the location information of the second terminal sent by the second terminal, or, A terminal may receive parameters for determining location information sent by a second terminal (for example, the time at which a positioning reference signal is sent and/or received), and the first terminal may determine the location information of the first terminal and/or the second terminal based on the parameters.
  • the location information of the terminal, or the first terminal can receive the measurement result based on the first positioning reference signal sent by the second terminal, and the first terminal can determine the location information of the first terminal and/or the location of the second terminal based on the measurement result. information.
  • the first terminal and/or the second terminal may send the location information of the first terminal and/or the location information of the second terminal to the network device.
  • the first terminal and/or the second terminal may send the location information of the first terminal and/or the location information of the second terminal to the location server (eg, location management function LMF).
  • the location server eg, location management function LMF.
  • the first terminal may receive a third positioning reference signal sent by the second terminal, based on the time when the first terminal sends the first positioning reference signal, and/ Or the time when the third positioning reference signal is received, and/or the time when the second terminal receives the first positioning reference signal, and/or the time when the second terminal sends the third positioning reference signal, determine the location information of the first terminal and /or the location information of the second terminal.
  • the time when the second terminal receives the first positioning reference signal, and/or the time when the second terminal sends the third positioning reference signal may be sent by the second terminal to the first terminal.
  • the first terminal may send the location information of the first terminal and/or the location information of the second terminal to the second terminal.
  • the first terminal may send parameters for determining location information (for example, the time of transmitting and/or receiving the positioning reference signal) to the second terminal, so that the second terminal may determine the location information of the first terminal based on the parameters. and/or the location information of the second terminal.
  • the first terminal may send a measurement result based on the third positioning reference signal to the second terminal, and the second terminal may determine the location information of the first terminal and/or the location information of the second terminal based on the measurement result.
  • the first terminal and/or the second terminal may send the location information of the first terminal and/or the location information of the second terminal to the network device.
  • the first terminal and/or the second terminal may send the location information of the first terminal and/or the location information of the second terminal to the location server (eg, location management function LMF).
  • the location server eg, location management function LMF.
  • the first terminal receives the third positioning reference signal sent by the second terminal, performs measurements based on the third positioning reference signal, or determines the location information and/or the first terminal based on the third positioning reference signal. or the location information of the second terminal.
  • the first terminal may send the measurement result, the location information of the first terminal and/or the location information of the second terminal to the second terminal.
  • the first terminal and/or the second terminal may send the measurement result, the location information of the first terminal, and/or the location information of the second terminal to the network device.
  • the first terminal and/or the second terminal may send the measurement result, the location information of the first terminal and/or the location information of the second terminal to the positioning server (for example, the location management function LMF).
  • the measurement results in any embodiment of the present application can be used to determine the location information of the first terminal and/or the location information of the second terminal.
  • the location information and/or measurement results sent between the first terminal and the second terminal can be carried in SCI, PC5-RRC signaling or MAC CE.
  • the measurement results, the location information of the first terminal and/or the location information of the second terminal sent by the second terminal to the first terminal can be carried in SCI, PC5-RRC signaling or MAC CE.
  • the measurement results, the location information of the first terminal and/or the location information of the second terminal sent by the first terminal to the second terminal can be carried in SCI, PC5-RRC signaling or MAC CE.
  • the first terminal determines a first identifier from a predetermined identifier set; the first terminal sends a first positioning reference signal to the second terminal based on the first identifier. In this way, the first terminal can determine the first positioning reference signal to send to the second terminal based on the first identifier determined from the predetermined identifier set, so that the first terminal can determine the first positioning reference signal to send to the second device.
  • the first terminal determines the first identity from a predetermined identity set, including:
  • the first terminal acquires a first positioning method
  • the first terminal determines the first identifier from the predetermined identifier set according to the first positioning method.
  • the first positioning method may be used to determine the location information of the first terminal and/or the location information of the second terminal.
  • the first terminal may determine the location information of the first terminal and/or the location information of the second terminal based on the first positioning method.
  • the second terminal may determine the location information of the first terminal and/or the location information of the second terminal based on the first positioning method, and then the first terminal receives the location information of the first terminal and/or the location information of the second terminal sent by the second terminal. Location information of the second terminal.
  • the first positioning method may include one positioning method or multiple positioning methods.
  • the first positioning method may be the positioning method of the first terminal.
  • the first positioning method may be a positioning method of the second terminal, or a positioning method of other terminals other than the first terminal and the second terminal.
  • the first positioning method when the first positioning method is the positioning method of the first terminal, the first positioning method may be a positioning method supported by the first terminal.
  • the first positioning method When the first positioning method is not a positioning method of the first terminal, the first positioning method may be a positioning method supported by the first terminal.
  • the first positioning method may be a positioning method supported by the first terminal or not a positioning method supported by the first terminal.
  • the first positioning method may be one or more of the positioning methods supported by the first terminal or the positioning methods that can be used.
  • the first positioning method may be the positioning method to be used by the first terminal.
  • the first terminal may obtain the first positioning method from preconfigured information.
  • the first positioning method is a positioning method in which the first terminal receives instructions from the network device, the second terminal or other terminals.
  • the other terminals in any embodiment of the present application may refer to other terminals other than the first terminal and the second terminal unless otherwise specified.
  • the first positioning method may have a mapping relationship or an association relationship with the first identification, so that the first terminal may determine the first identification based on the mapping relationship or association relationship and the first positioning method.
  • there may be a functional relationship between the identifier corresponding to the first positioning method and the first identifier, and the first terminal may determine the first identifier based on the functional relationship and the first positioning method.
  • the first terminal may determine the first identity set from the predetermined identity set according to the first positioning method; determine the first identity from the first identity set.
  • the first terminal may select multiple identities from the subscription identity set according to the first positioning method, and determine the first identity from the multiple identities.
  • the first identification is determined by the first positioning method, and the first positioning reference signal is determined based on the first identification, so that the location information can be determined based on the first positioning method corresponding to the first positioning reference signal, which improves the convenience of determining location information.
  • the predetermined identification set includes at least one identification set; the first terminal determines the first identification from the predetermined identification set according to the first positioning method, including:
  • the first terminal determines a first identification set corresponding to the first positioning method; wherein the first identification set is included in the at least one identification set;
  • the first terminal determines the first identification from the first identification set.
  • At least one identification set may be pre-divided or pre-set.
  • at least one identity set may be agreed upon by the protocol, or at least one identity set may be preconfigured, or at least one identity set may be configured by the second device, or at least one identity set may be configured by the network device , or, at least one identification set may be configured by other terminals.
  • the first identification set corresponding to the first positioning method may include one identification set or multiple identification sets in at least one identification set.
  • the first terminal determines the first identifier from the first identifier set, which may include: the first terminal determines multiple identifiers from the first identifier set, and the first terminal determines the first identifier from the multiple identifiers.
  • First logo the first logo.
  • the first terminal determines the first identity from the first identity set, including: the first terminal randomly determines the first identity from the first identity set.
  • the first terminal determines the first identity from the first identity set, including: the first terminal determines the first identity from the first identity set according to at least one of the following: The first identification: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, whether the first positioning reference signal is used to respond to the information sent by the second terminal.
  • the first terminal when the first terminal receives the second positioning reference signal sent by the second terminal, the first terminal feeds back the first positioning reference signal for the second positioning reference signal to the second terminal.
  • the first positioning reference signal may be based on The first identification A selected from the first identification set is determined.
  • the first positioning reference signal may be determined based on the first identity B selected from the first identity set.
  • the first identifier A and the first identifier B may be the same or different.
  • the first terminal determines multiple identities from the first identity set based on the first information
  • the first terminal determines the multiple identities from the multiple identities based on the second information. the first identifier
  • the first information is part of the third information;
  • the third information includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • Resource information of positioning reference signals includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • the second information is part or all of the third information except the first information.
  • the first terminal determines the first identity from the first identity set according to the first information
  • the first information is part of the third information;
  • the third information includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2. Resource information of positioning reference signals.
  • the first terminal determines the first identifier set corresponding to the first positioning method, including: the first terminal determines the first identifier corresponding to the first positioning method according to the corresponding relationship. set; wherein the corresponding relationship includes: the corresponding relationship between the at least one identification set and at least one positioning method; the first positioning method is included in the at least one positioning method.
  • At least one identification set may correspond to at least one positioning method one-to-one.
  • at least one identification set may be identification sets A1, A2 and A3 respectively
  • at least one positioning method may be positioning methods B1, B2 and B3 respectively
  • identification sets A1, A2 and A3 may respectively correspond to positioning methods B1, B2 and B3.
  • one identification set may correspond to one or more positioning methods, and/or one positioning method may correspond to one or more identification sets.
  • the identification set may be determined as the first identification set.
  • the multiple identity sets can be determined as the first identity set, or one identity set can be selected from the multiple identity sets as the first identity set, Or the union or intersection of multiple identity sets is determined as the first identity set.
  • the corresponding relationship may be expressed as a corresponding list or a list in other embodiments.
  • the corresponding relationship is stipulated in the agreement. In other embodiments, the corresponding relationship is determined by the first terminal based on preconfiguration. In some embodiments, the corresponding relationship is configured by a network device. In some embodiments, the corresponding relationship is configured by the second terminal. In some embodiments, the corresponding relationship is configured by other terminals besides the first terminal and the second terminal.
  • the first terminal obtains the first positioning method, including: the first terminal determines the first positioning method according to a protocol; or, the first terminal determines the first positioning method according to a preconfiguration. Positioning method; or, the first terminal determines the first positioning method according to the information configured by the network device; or, the first terminal determines the first positioning method according to the information configured by the second terminal; or, The first terminal determines the first positioning method based on information configured by the first terminal and other terminals other than the second terminal.
  • the first terminal may be configured with one or more positioning methods, and the first terminal may select the first positioning method from the one or more positioning methods.
  • the first terminal may determine the first positioning method from multiple positioning methods based on at least one of the first terminal's remaining power, positioning accuracy requirements, positioning services, whether it is connected to a network device, whether it is within network coverage, etc. .
  • the first terminal may randomly select the first positioning method from multiple positioning methods.
  • the multiple positioning methods may all be positioning methods supported by the first terminal, or at least some of the multiple positioning methods may be positioning methods supported by the first terminal.
  • the first positioning method may be a positioning method supported or not supported by the first terminal.
  • the first terminal can directly obtain the first positioning method according to the protocol agreement, or according to the preconfiguration, or according to the information configured by the network device, or according to the information configured by the second terminal, or according to the information configured by other terminals. .
  • the first terminal may determine multiple positioning methods based on protocol agreement, or based on preconfiguration, or based on network device configuration information, or based on information configured by the second terminal, or based on information configured by other terminals. , determine the first positioning method from multiple positioning methods.
  • the first terminal determines the first identity from a predetermined identity set, including: the first terminal receives a second positioning reference signal sent by the second terminal; the first terminal determines the first identity according to the second positioning reference signal sent by the second terminal.
  • the second positioning reference signal determines the first identification from the predetermined identification set.
  • the second positioning reference signal may be sent in a broadcast, multicast or unicast manner, so that the first terminal can receive the second positioning reference signal.
  • the second positioning reference signal can be carried in SCI, PC5-RRC signaling or MAC CE.
  • the first terminal determines to feed back the first positioning reference signal to the second terminal based on the second positioning reference signal sent by the second terminal, so that the second terminal can use the first positioning reference signal and the second positioning reference signal. Determine the location information of the first terminal and/or the second terminal based on the reference signal.
  • the first terminal determines the first identity from the predetermined identity set according to the second positioning reference signal, including:
  • the first terminal determines a second identifier corresponding to the second positioning reference signal
  • the first terminal determines the first identification from the predetermined identification set according to the second identification.
  • the first terminal may determine the second identifier corresponding to the second positioning reference signal according to the above formula (1) to formula (5).
  • the second identifier corresponding to the second positioning reference signal may include one identifier or multiple identifiers.
  • the second identifier may be selected from the multiple identifiers.
  • selecting the second identifier from multiple identifiers may include: randomly selecting the second identifier from the multiple identifiers, or selecting from the multiple identifiers according to the positioning method or the first positioning method supported by the first terminal.
  • Second identification For example, the second identifier is included in multiple identifiers and included in a positioning method supported by the first terminal or a first identifier set corresponding to the first positioning method.
  • the first identification and the second identification may be the same or different.
  • both the first identification and the second identification may be included in the first identification set.
  • the first identification and the second identification may be included in different identification sets.
  • the first identification may be included in a first identification set
  • the second identification may be included in a second identification set.
  • the first terminal may determine the second positioning method according to the second identification; the first terminal may determine the first identification from the predetermined identification set according to the second positioning method.
  • the second positioning method may be a positioning method of the second terminal, and/or may be a positioning method of the first terminal.
  • the second positioning method and the first positioning method may be the same or different.
  • the first terminal and the second terminal may negotiate the positioning method in advance.
  • the first terminal determines the first identifier from the predetermined identifier set according to the second positioning method corresponding to the second identifier.
  • the first terminal determines the first identifier from the predetermined identifier set according to the first positioning method.
  • the implementation of determining the first identifier in the identifier set is similar and will not be described again in this application.
  • the first terminal may determine the second identity set to which the second identity belongs; and determine the second positioning method based on the second identity set.
  • the first terminal determines the first identifier from the predetermined identifier set according to the second positioning method, which may include: the first terminal determines the first identifier from the second identifier set according to the second positioning method.
  • the predetermined set of identities includes at least one set of identities
  • the first terminal determines the first identity from the predetermined identity set according to the second identity, including: the first terminal determines the second identity set to which the second identity belongs; the second The identity set is included in the at least one identity set; the first terminal determines the first identity from the second identity set.
  • the second identity set may include one or more identity sets in at least one identity set, or the second identity set may be an intersection or union of multiple identity sets.
  • the identity set to which the second identity belongs may be one or more identity sets.
  • the identity set may be determined as the second identity set.
  • the second identity set can be determined from the multiple identity sets, or an identity set can be selected from the multiple identity sets, and the selected identity set can be The set is determined as the second identification set, or the union or intersection of the plurality of identification sets can be determined as the second identification set.
  • the first terminal determines the first identity from the second identity set, including:
  • the first terminal determines a second positioning method corresponding to the second identification set
  • the first terminal determines the first identifier from the second identifier set.
  • the first terminal determines the second positioning method corresponding to the second identification set, including: the first terminal determines the second positioning method corresponding to the second identification set according to the corresponding relationship.
  • the corresponding relationship includes: the corresponding relationship between the at least one identification set and at least one positioning method; the second positioning method is included in the at least one positioning method.
  • the second positioning method may include one or more positioning methods.
  • the first positioning method includes at least one of the following: round trip time RTT positioning method, multiple round trip time multi-RTT positioning method, reference signal time difference (RSTD) positioning method, arrival Time Difference Of Arrival (TDOA) positioning method, Observed Time Difference Of Arrival (OTDOA) positioning method, Angle of Departure (AOD) positioning method, Angle of Arrival (AOA) positioning method .
  • RSTD reference signal time difference
  • TDOA arrival Time Difference Of Arrival
  • OTDOA Observed Time Difference Of Arrival
  • AOD Angle of Departure
  • AOA Angle of Arrival
  • the second positioning method includes at least one of the following: round trip time RTT positioning method, multiple round trip time multi-RTT positioning method, reference signal time difference RSTD positioning method, time of arrival difference TDOA positioning method, observed arrival Time difference OTDOA positioning method, angle of departure AOD positioning method, angle of arrival AOA positioning method.
  • the first positioning method includes at least one of the following: a positioning method based on a network device; a positioning method based on a terminal; and a positioning method based on a combination of a network device and a terminal.
  • the second positioning method includes at least one of the following: a positioning method based on a network device; a positioning method based on a terminal; and a positioning method based on a combination of a network device and a terminal.
  • the first positioning method and the second positioning method may be the same or different or partially the same.
  • the first positioning method includes a multi-RTT positioning method
  • the second positioning method includes a multi-RTT positioning method and a terminal-based positioning method.
  • the first positioning method may be any one of the above-listed positioning methods, or a combination of at least two of the above-listed positioning methods.
  • the first positioning method may be a multi-RTT positioning method and an AOA positioning method.
  • the second positioning method may be a multi-RTT positioning method and a terminal-based positioning method.
  • the first terminal and/or the second terminal can respectively determine the position information and/or the corresponding position information of the at least two first terminals based on the at least two positioning methods.
  • the location information of the first terminal and/or the location information of the second terminal determining the location information of the first terminal and/or the location information of the second terminal based on the location information of at least two first terminals and/or the location information of at least two second terminals.
  • the average value, maximum value, minimum value, median, etc. of the location information of at least two first terminals and/or the location information of at least two second terminals may be determined as the location information of the first terminal and /or the location information of the second terminal.
  • the second positioning method is a method that requires feedback of positioning reference signals, including one of the following:
  • the second positioning method includes: multi-RTT positioning method
  • the second positioning method includes: a multi-RTT positioning method and a terminal-based positioning method;
  • the second positioning method includes: a multi-RTT positioning method, and a positioning method based on the combination of network equipment and terminals.
  • the second positioning method includes the multi-RTT positioning method
  • the first terminal when the first terminal receives the second positioning reference signal sent by the second terminal, the first terminal needs to feedback to the second terminal The first positioning reference signal.
  • the second terminal may determine at least three positioning reference signals (including the first positioning reference signal) based on the time at which the second positioning reference signal is sent and the time at which the positioning reference signals (including the first positioning reference signal) received by at least three terminals (including the first terminal) are respectively fed back. Location information of each terminal among the terminals and/or location information of the second terminal.
  • the first terminal determines the first identity from the second identity set, including: the first terminal randomly determines the first identity from the second identity set.
  • the first terminal determines the first identity from the second identity set, including: the first terminal determines the first identity from the second identity set according to at least one of the following: The first identification: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, whether the first positioning reference signal is used to respond to the information sent by the second terminal.
  • the first identity selected from the second identity set may be the same as the first positioning reference signal is not used to respond to the second positioning reference signal.
  • the first identifier selected from the second identifier set is the same.
  • the first terminal determines multiple identifiers from the second identifier set based on the first information
  • the first terminal determines the multiple identifiers from the multiple identifiers based on the second information. the first identifier;
  • the first information is part of the third information;
  • the third information includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • Resource information of positioning reference signals includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • the second information is part or all of the third information except the first information.
  • the first terminal determines the first identity from a predetermined identity set, including: the first terminal randomly determines the first identity from the predetermined identity set.
  • the first terminal determines the first identity from the predetermined identity set, including: the first terminal determines the first identity from the predetermined identity set according to at least one of the following: The identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, The second identifier corresponding to the second positioning reference signal sent by the second terminal, and the resource information of the second positioning reference signal sent by the second terminal.
  • the first identifier selected from the predetermined identifier set may be the same as the first positioning reference signal is not used in response to the second positioning reference signal.
  • the first identifiers selected from the predetermined identifier set are the same or different.
  • the identity of the first terminal includes at least one of the following:
  • C-RNTI Cell-Radio Network Temporary Identifier
  • the identity of the second terminal includes at least one of the following:
  • Part or all of the C-RNTI of the second terminal part or all of the group identifier of the communication group to which the second terminal belongs, part or all of the group identifier of the communication group of the second terminal, all Part or all of the Layer 2 source target identifier of the second terminal, and part or all of the Layer 2 destination identifier of the second terminal.
  • the identifier of the first terminal and/or the identifier of the second terminal may be all of the above-mentioned identifiers, or the identifier of the first terminal and/or the identifier of the second terminal may be part of the above-mentioned identifiers.
  • the identification of the first terminal and/or the identification of the second terminal may be a predetermined number of bits.
  • the identity of the first terminal may be an identity corresponding to a preset number of bits in the C-RNTI of the first terminal.
  • the identity of the first terminal may be the identity corresponding to the highest preset number of bits in the C-RNTI of the first terminal, or the identity corresponding to the lowest preset number of bits, or a randomly selected preset number of bits. corresponding identification.
  • the identifier corresponding to the preset number of bits may be continuous, non-continuous, or partially continuous.
  • the resource information includes at least one of the following: time domain resource information, frequency domain resource information, and frequency layer information.
  • the frequency layer information may be called positioning frequency layer (Positioning Frequency Layer) information.
  • the resource information of the first positioning reference signal may represent resource information used to transmit the first positioning reference signal.
  • the resource information of the second positioning reference signal may represent resource information used to transmit the second positioning reference signal.
  • the resource information of the first positioning reference signal may include at least one of the following: time domain resource information used to transmit the first positioning reference signal, frequency domain resource information used to transmit the first positioning reference signal, Frequency layer information of the first positioning reference signal.
  • the resource information of the second positioning reference signal may include at least one of the following: time domain resource information used to transmit the second positioning reference signal, frequency domain resource information used to transmit the second positioning reference signal, Frequency layer information of the second positioning reference signal.
  • the time domain resource information used to transmit the first positioning reference signal and the time domain resource information used to transmit the second positioning reference signal may have the same or different symbols in the time slot.
  • the frequency domain resource information used to transmit the first positioning reference signal and the frequency domain resource information used to transmit the second positioning reference signal may be the same or different.
  • the frequency layer information used to transmit the first positioning reference signal may be the same as or different from the frequency layer information used to transmit the second positioning reference signal.
  • the resource information of the first positioning reference signal may be agreed by the first terminal according to the protocol, or may be determined by the first terminal according to preconfiguration, or may be configured by the network device, or may be configured by the second terminal. , or may be configured by other terminals other than the first terminal and the second terminal, or may be determined independently by the first terminal.
  • the resource information of the second positioning reference signal may be agreed by the second terminal according to the protocol, or may be determined by the second terminal according to preconfiguration, or may be configured by the network device, or may be configured by the first terminal. , or may be configured by other terminals other than the first terminal and the second terminal, or may be determined independently by the second terminal.
  • the time domain resource information includes at least one of the following: time unit information, position information of the first symbol occupied in the time unit, information on the number of occupied symbols, and repetition period information. , repetition number information, interval information between repeated positioning reference signals, time slot offset information, symbol offset information.
  • the frequency domain resource information includes at least one of the following: bandwidth, starting physical resource block PRB information, and starting resource element RE offset information.
  • the frequency layer information includes at least one of the following: subcarrier spacing, cyclic prefix, bandwidth, starting PRB information, PointA information, comb tooth size, comb tooth spacing, resource unit spacing ( Resource Element Spacing).
  • the resource information includes at least one of the following: time unit information, position information of the first symbol occupied in the time unit, information on the number of occupied symbols, repetition period information, Repeat number information, interval information between repeated positioning reference signals, time slot offset information, symbol offset information, bandwidth, starting physical resource block PRB information, starting resource element RE offset information, subcarrier spacing, cycle Prefix, PointA information, comb tooth size, comb tooth interval, resource unit interval.
  • the time unit information may be time domain resource information.
  • the time unit information includes at least one of the following: time slot information (such as time slot index) in which the positioning reference signal (including the first positioning reference signal or the second positioning reference signal) is located, the time slot occupied by the positioning reference signal in the time slot
  • the first OFDM symbol position information for example, the first OFDM symbol index
  • the number of OFDM symbols occupied by the positioning reference signal for example, the first OFDM symbol index
  • the time unit may include at least one of the following: one or more frames, one or more subframes, one or more time slots, and one or more symbols.
  • the time unit may be a time slot.
  • the position information of the first symbol occupied in the time unit may include: the position information of the first symbol occupied in the time slot.
  • the positioning reference signal (including the first positioning reference signal or the second positioning reference signal) may be repeatedly transmitted, for example, may be repeatedly transmitted in the time domain or in the frequency domain.
  • the repetition period information can be the repetition period of the repeatedly transmitted positioning reference signal
  • the repetition number information can be the number of repetitions of the repeatedly transmitted positioning reference signal
  • the interval information between repeated positioning reference signals can be the interval for repeated transmission of positioning reference signals.
  • the cyclic prefix (CP) may include a normal CP (normal CP) or an extended CP (extended CP).
  • the cyclic prefix of the positioning reference signal may include: the CP in the time slot used for transmitting the positioning reference signal is a normal CP or an extended CP.
  • the bandwidth may include: a bandwidth used to transmit the positioning reference signal, or a system bandwidth.
  • PointA information may include PointA location information.
  • the PointA location information may be the center location information of subcarrier 0 of Common Resource Block (CRB) 0.
  • CRB Common Resource Block
  • the resource information used to transmit the positioning reference signal may be comb resources.
  • the resource unit interval may represent the time domain interval and/or frequency domain interval between two resource units used for transmitting the positioning reference signal.
  • the first terminal determines the first identity from the predetermined identity set, including:
  • the first terminal determines multiple identifiers from the predetermined identifier set based on the first information
  • the first terminal determines the first identifier from the multiple identifiers based on the second information
  • the first information is part of the third information;
  • the third information includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • Resource information of positioning reference signals includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • the second information is part or all of the third information except the first information.
  • the first terminal determines from the set of identities based on the identity of the first terminal.
  • the first identifier is determined among the plurality of identifiers.
  • the first terminal determines whether the first positioning reference signal is used to respond to the first positioning reference signal.
  • the second positioning reference signal sent by the two terminals determines the first identity from at least two identities.
  • the second identification and the first identification are the same.
  • the second identification and the first identification have a functional relationship.
  • the second identity can be determined according to the following formula:
  • the first identifier can be determined according to the following formula: in, Represents the second identifier; Represents the first identifier; f1() and f2() represent functional relationships.
  • the predetermined identity set is agreed upon by the protocol; or the predetermined identity set is determined by the first terminal according to preconfiguration; or the predetermined identity set is configured by a network device ; Or, the predetermined identification set is configured by the second terminal; or the predetermined identification set is configured by other terminals other than the first terminal and the second terminal.
  • Figure 13 is a schematic flowchart of a communication method provided by an embodiment of the present application. As shown in Figure 13, the method includes:
  • the second terminal receives the first positioning reference signal sent by the first terminal; wherein the first positioning reference signal is determined according to the first identifier in the predetermined identifier set.
  • both the first terminal and the second terminal may pre-configure a predetermined identity set.
  • the first positioning reference signal is used to determine the location information of the first terminal and/or the location information of the second terminal.
  • the first terminal may be determined based on the sending time and/or receiving time of the first positioning reference signal, or based on time domain information when sending and/or time domain information when receiving the first positioning reference signal. location information and/or location information of the second terminal.
  • the second terminal may determine the location information of the first terminal and/or based on the sending time of the first positioning reference signal and/or the receiving time of the first positioning reference signal. Location information of the second terminal.
  • the second terminal may send the second positioning reference signal to the first terminal, and the second terminal may send the second positioning reference signal based on the time and/or receive the second positioning reference signal.
  • the time to the first positioning reference signal, and/or the time when the first terminal receives the second positioning reference signal, and/or the time when the first terminal sends the first positioning reference signal determine the location information of the first terminal and/or Location information of the second terminal.
  • the time when the first terminal receives the second positioning reference signal and/or the time when the first terminal sends the first positioning reference signal may be sent by the first terminal to the second terminal.
  • the second terminal may also send the location information of the first terminal and/or the location information of the second terminal to the first terminal.
  • the second terminal may send parameters for determining location information to the first terminal (for example, the time at which the positioning reference signal is sent and/or received), so that the first terminal can determine the location information of the first terminal based on the parameters. and/or the location information of the second terminal, so that the second terminal can receive the location information of the first terminal and/or the location information of the second terminal sent by the first terminal.
  • the second terminal may send a measurement result based on the first positioning reference signal to the first terminal, and the first terminal may determine the location information of the first terminal and/or the location information of the second terminal based on the measurement result.
  • the second terminal may send a third positioning reference signal to the first terminal, so that the first terminal determines the first positioning reference signal according to the sending time of the first positioning reference signal and the third positioning reference signal.
  • the reception time of the signal determines the location information of the first terminal and/or the location information of the second terminal, or so that the first terminal determines the location information of the first terminal according to the sending time of the first positioning reference signal and/or the receiving time of the third positioning reference signal.
  • the second terminal may also receive the location information of the first terminal and/or the location information of the second terminal sent by the first terminal.
  • the first positioning reference signal may be carried in SCI, PC5-RRC signaling or MAC CE.
  • location information and/or measurement results can be carried in SCI, PC5-RRC signaling or MAC CE.
  • the method further includes: the second terminal determining, based on the first positioning reference signal, whether to feed back a third positioning reference signal for the first positioning reference signal to the first terminal.
  • the second terminal may determine to feed back a third positioning reference signal for the first positioning reference signal to the first terminal according to the first positioning reference signal, or the second terminal may determine to feed back a third positioning reference signal for the first positioning reference signal according to the first positioning reference signal. , determining not to feed back the third positioning reference signal for the first positioning reference signal to the first terminal.
  • the second terminal may determine the position of the first terminal according to the first positioning reference signal. information and/or location information of the second terminal.
  • the third positioning reference signal can be carried in SCI, PC5-RRC signaling or MAC CE.
  • the second terminal determines whether to send a third positioning reference signal to the first terminal according to the first positioning reference signal, including:
  • the second terminal does not feedback the feedback signal for the second positioning reference signal to the first terminal.
  • a third positioning reference signal of the first positioning reference signal In the case where the first positioning signal is a feedback signal for the second positioning reference signal sent by the second terminal to the first terminal, the second terminal does not feedback the feedback signal for the second positioning reference signal to the first terminal.
  • the second terminal receives the first positioning method sent by the first terminal.
  • positioning reference signal the first positioning reference signal is a feedback signal for the second positioning reference signal sent by the second terminal to the first terminal, and the second terminal determines not to feed back the third positioning reference signal.
  • the second terminal determines whether to send a third positioning reference signal to the first terminal according to the first positioning reference signal, including:
  • the second terminal determines that the first positioning reference signal corresponds to first identification
  • the second terminal determines the first positioning method corresponding to the first identification
  • the second terminal feeds back the third positioning reference signal for the first positioning reference signal to the first terminal;
  • the second terminal does not feed back the third positioning reference signal for the first positioning reference signal to the first terminal.
  • the first positioning signal is not a feedback signal for the second positioning reference signal sent by the second terminal to the first terminal
  • the first positioning signal is a signal actively sent by the first terminal to the first terminal. The signal sent by the second terminal.
  • the second terminal may determine the first identifier corresponding to the first positioning reference signal according to the above formula (1) to formula (5).
  • the implementation in which the second terminal determines the first identifier corresponding to the first positioning reference signal may be the same as in the above embodiment, in which the first terminal determines the second identifier corresponding to the second positioning reference signal. Identification is implemented similarly.
  • the first positioning method is a method that requires feedback of positioning reference signals, including at least one of the following:
  • the first positioning method includes: multi-RTT positioning method
  • the first positioning method includes: a multi-RTT positioning method and a terminal-based positioning method;
  • the first positioning method includes: a multi-RTT positioning method, and a positioning method based on the combination of network equipment and terminals.
  • the first positioning method is a method that does not require feedback of positioning reference signals, including at least one of the following: the first positioning method includes: round trip time RTT positioning method, reference signal time difference RSTD positioning method, arrival Time difference TDOA positioning method, observed time difference of arrival OTDOA positioning method, angle of departure AOD positioning method, angle of arrival AOA positioning method.
  • the first positioning method is a method that does not require feedback of positioning reference signals, including: the first positioning method includes: a multi-RTT positioning method, and a network device-based positioning method.
  • the second terminal determines the first positioning method corresponding to the first identifier, including: the second terminal determines that the first identifier belongs to a first identifier set; the second terminal Determine the first positioning method corresponding to the first identification set.
  • the first identification set may include one or more identification sets.
  • the second terminal may determine the one identification set as the first identification set.
  • the second terminal may determine the multiple identity sets as the first identity set, or the second terminal may determine an identity from the multiple identity sets. sets, and determines a determined identity set as the first identity set, or the second terminal may determine the intersection or union of multiple identity sets as the first identity set.
  • the first identification set may correspond to one positioning method or multiple positioning methods.
  • the second terminal determines the first positioning method corresponding to the first identification set, including: the second terminal determines the third positioning method corresponding to the first identification set according to the corresponding relationship.
  • the corresponding relationship is stipulated in the protocol; or, the corresponding relationship is determined by the second terminal according to preconfiguration; or, the corresponding relationship is configured by a network device; or, the corresponding relationship is The relationship is configured by the first terminal; or the corresponding relationship is configured by other terminals other than the first terminal and the second terminal.
  • the second terminal after the second terminal actively sends the second positioning reference signal to the first terminal, the second terminal receives the first positioning reference signal sent by the first terminal.
  • the method further includes:
  • the second terminal determines the second identity from a predetermined identity set
  • the second terminal sends a second positioning reference signal to the first terminal according to the second identification.
  • the second terminal may determine the second positioning reference signal according to the second identifier; the second terminal sends the second positioning reference signal to the first terminal.
  • the second terminal sending the second positioning reference signal to the first terminal may include: the second terminal sending the second positioning reference signal in a broadcast/multicast manner, so that the second terminal can send the second positioning reference signal to the first terminal. 2. Positioning reference signal.
  • the second terminal sending the second positioning reference signal to the first terminal may include: the second terminal sending the second positioning reference signal to the first terminal in a unicast manner.
  • the second terminal determines the second identity from the predetermined identity set in a manner similar to the way the first terminal determines the first identity from the predetermined identity set, and the second terminal determines the description of the second identity from the predetermined identity set,
  • the description of the first identification may be determined with reference to the first terminal from the predetermined identification set.
  • the second terminal determines the second identity from a predetermined identity set, including: the second terminal obtains a second positioning method; the second terminal obtains a second positioning method from the second positioning method according to the second positioning method.
  • the second identification is determined from a predetermined identification set.
  • the predetermined set of identities includes at least one set of identities
  • the second terminal determines the second identity from the predetermined identity set according to the second positioning method, including:
  • the second terminal determines a second identification set corresponding to the second positioning method; wherein the second identification set is included in the at least one identification set;
  • the second terminal determines the second identity from the second identity set.
  • the second terminal determines the second identity from the second identity set, including: the second terminal randomly determines the second identity from the second identity set.
  • the second terminal determines the second identity from the second identity set, including: the second terminal determines the second identity from the second identity set according to at least one of the following: The second identification: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, whether the second positioning reference signal is used to respond to a certain signal sent by the first terminal.
  • the second identification the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, whether the second positioning reference signal is used to respond to a certain signal sent by the first terminal.
  • the second terminal determines the second identification set corresponding to the second positioning method, including:
  • the second terminal determines the second identification set corresponding to the second positioning method according to the corresponding relationship; wherein the corresponding relationship includes: the corresponding relationship between the at least one identification set and at least one positioning method; The second positioning method is included in the at least one positioning method.
  • the second terminal obtains the second positioning method, including:
  • the second terminal determines the second positioning method according to the protocol agreement; or the second terminal determines the second positioning method according to preconfiguration; or the second terminal determines the second positioning method according to network device configuration information. the second positioning method; or the second terminal determines the second positioning method according to the information configured by the second terminal; or the second terminal determines the second positioning method according to the first terminal and the second terminal. Information configured by other terminals determines the second positioning method.
  • the first positioning method includes at least one of the following: a round trip time RTT positioning method, a multiple round trip time multi-RTT positioning method, a reference signal time difference RSTD positioning method, an arrival time difference TDOA positioning method, an observed time difference of arrival OTDOA positioning method, departure angle AOD positioning method, arrival angle AOA positioning method.
  • the second positioning method includes at least one of the following: a round trip time RTT positioning method, a multiple round trip time multi-RTT positioning method, a reference signal time difference RSTD positioning method, an arrival time difference TDOA positioning method, an observed time difference of arrival OTDOA positioning method, angle of departure AOD positioning method, angle of arrival AOA positioning method.
  • the predetermined identity set is agreed upon by a protocol; or, the predetermined identity set is determined by the second terminal according to preconfiguration; or, the predetermined identity set is configured by a network device; or, The predetermined identity set is configured by the first terminal; or the predetermined identity set is configured by other terminals other than the first terminal and the second terminal.
  • Figure 14 is a schematic flow chart of another communication method provided by an embodiment of the present application. As shown in Figure 14, the method includes:
  • the network device configures a predetermined identifier set to the first terminal; the predetermined identifier set includes a first identifier, and the first identifier is used to determine the first positioning reference signal sent by the first terminal to the second terminal.
  • the description about the predetermined identification set can be understood with reference to the description of the above embodiments.
  • the network device may send the preset identity set in a broadcast/multicast manner, so that the network device configures the predetermined identity set to the first terminal, or the network device may send the predetermined identity set to the first terminal in a unicast manner. .
  • the predetermined identity set may be carried in system messages, downlink control information (Downlink Control Information, DCI), RRC signaling or MAC CE.
  • DCI Downlink Control Information
  • RRC signaling MAC CE
  • the predetermined identification set includes at least one identification set; the at least one identification set includes a first identification set, and the first identification set includes the first identification;
  • the first identification set corresponds to the first positioning method; the first positioning method is included in the at least one positioning method.
  • the method further includes: the network device configuring the corresponding relationship and/or the first positioning method to the first terminal.
  • the corresponding relationship and/or the first positioning method may be carried in system messages, DCI, RRC signaling or MAC CE.
  • the embodiment of this application provides how to determine the positioning reference signal sequence identifier (including the above-mentioned first identification and/or second identification) method.
  • multiple positioning reference signal sequence identification sets (corresponding to the above-mentioned predetermined identification sets) can be configured, and different positioning reference signal sequence identification sets are suitable for different positioning methods.
  • Each positioning reference signal sequence identifier set includes one or more positioning reference signal sequence identifiers; when the positioning reference signal sequence identifier set contains a positioning reference signal sequence identifier, the positioning reference signal sequence identifier set can also be represented as the positioning reference Signal sequence identifier.
  • the positioning reference signal sequence identification set and the positioning method have a corresponding relationship, and the corresponding relationship is preconfigured or configured by the network.
  • the first terminal obtains first information and determines a first positioning method based on the first information; the first terminal obtains second information and determines a relationship between the positioning method and the positioning reference signal sequence identification set based on the second information.
  • the first terminal determines a set of positioning reference signal sequence identifiers according to the first positioning method and the corresponding relationship, and the first terminal determines a first positioning reference signal sequence identifier (corresponding to the above-mentioned first identifier) from the set of positioning reference signal sequence identifiers. ). For example, the first terminal randomly selects a positioning reference signal sequence identifier from the positioning reference signal sequence set as the first positioning reference signal sequence identifier.
  • the first terminal determines the first positioning reference signal sequence identifier from the positioning reference signal sequence identifier set according to at least one of the following: the identifier of the first terminal, the identifier of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, and the resource information of the second positioning reference signal sent by the second terminal.
  • the first terminal receives the positioning reference signal sent by the second terminal and determines the second positioning reference signal sequence identifier corresponding to the positioning reference signal (corresponding to the above-mentioned second identifier); the first terminal obtains the second information , determine the corresponding relationship between the positioning method and the positioning reference signal sequence identifier set according to the second information; the first terminal determines the positioning method according to the second positioning reference signal sequence identifier and the corresponding relationship. Further, the first terminal may determine whether it is necessary to send the first positioning reference signal to the second terminal according to the positioning method. For example, if the positioning method is the Multi-RTT method, the first terminal determines to send the first positioning reference signal; if the positioning method is the RSTD or TDOA method, the first terminal determines not to send the first positioning reference signal.
  • the positioning method is the Multi-RTT method
  • the first terminal determines to send the first positioning reference signal
  • the positioning method is the RSTD or TDOA method
  • the first terminal determines not to send the first positioning reference signal.
  • multiple positioning reference signal sequence identification sets may be configured, including a first positioning reference signal sequence identification set and a second positioning reference signal sequence identification set, wherein the first positioning reference signal sequence identification set is suitable for based on In the positioning of network equipment, the second positioning reference signal sequence identification set is suitable for terminal-based positioning.
  • a third positioning reference signal sequence identifier set may also be included, and the third positioning reference signal sequence identifier set is suitable for a positioning method based on the combination of network equipment and terminals.
  • the third positioning reference signal sequence identification set may be the intersection or union of the first positioning reference signal sequence identification set and the second positioning reference signal sequence identification set.
  • the positioning based on the network device means that the sending end or the receiving end of the positioning reference signal is a network device; the positioning based on the terminal means that the sending end or the receiving end of the positioning reference signal are both terminals.
  • the transmitter or receiver of the positioning reference signal based on the combination of network equipment and terminals can be either a network equipment or a terminal.
  • Figure 15 is a schematic diagram of positioning based on network devices provided by an embodiment of the present application.
  • three network devices send positioning reference signals to the target terminal (for example, the first terminal or the second terminal mentioned above).
  • the target terminal may determine the location information of the target terminal and/or the location information of the target terminal relative to the three network devices according to the positioning reference signal. For example, the target terminal can determine the location information based on the time when the positioning reference signal is sent and the time when it is received.
  • the position can also be determined by positioning reference signals sent by four or more network devices. Location.
  • Figure 16 is a schematic diagram of terminal-based positioning provided by an embodiment of the present application.
  • three terminals can send positioning reference signals to the target terminal, and the target terminal can determine the location information of the target terminal based on the positioning reference signal. and/or the location information of the target terminal relative to the three terminals.
  • the target terminal can determine the location information based on the time when the positioning reference signal is sent and the time when it is received.
  • FIG. 16 shows that the position is determined through positioning reference signals sent by three terminals, in other embodiments, the position can also be determined through positioning reference signals sent by four or more terminals.
  • Methods for positioning terminals include network device-based positioning methods, terminal-based positioning methods, and methods that combine network device-based positioning methods and terminal-based positioning methods (i.e., the above-mentioned positioning method based on a combination of network equipment and terminals) ), a corresponding positioning reference signal sequence identifier set can be configured for at least one of the three methods, which can enable the terminal to determine whether to send a corresponding positioning reference signal based on the detected positioning reference signal sequence identifier.
  • Figure 17 is a schematic diagram for determining whether to feed back a positioning reference signal provided by an embodiment of the present application.
  • some terminals in the system are configured to use a positioning method based on network equipment, such as the first terminal; some terminals are Configured as a terminal-based positioning method, such as a third terminal; both the first terminal and the third terminal adopt a Multi-RTT-based positioning method.
  • the first terminal obtains the first information, determines a first positioning reference signal sequence identifier set (which may correspond to the first identifier set) based on the network device positioning method based on the first information, and selects the first positioning reference signal sequence identifier ( Corresponding to the above-mentioned first identifier), generate a first positioning reference signal according to the identifier, and send the first positioning reference signal to the network device and the second terminal.
  • the first terminal may broadcast or multicast the first positioning reference signal.
  • the third terminal acquires the second information, determines a second positioning reference signal sequence identifier set corresponding to the terminal positioning method based on the second information, selects a fourth positioning reference signal sequence identifier set therefrom, and generates a fourth positioning reference signal based on the identifier, Send the fourth positioning reference signal to the second terminal.
  • the third terminal may broadcast or multicast the fourth positioning reference signal. It should be noted that although Figure 17 shows the third terminal sending the fourth positioning reference signal to the second terminal, in other embodiments, the third terminal can also send the fourth terminal not shown in Figure 17, The fifth terminal, network equipment, etc. send the fourth positioning reference signal.
  • the second terminal detects the first positioning reference signal and the fourth positioning reference signal, determines the corresponding first positioning reference signal sequence identifier and the fourth positioning reference signal sequence identifier, and combines the first information and the second information (where the first information including: a first positioning reference signal sequence identifier set corresponding to the network device positioning method; the second information includes: a second positioning reference signal sequence identifier set corresponding to the terminal positioning method), determining the first positioning reference signal sequence identifier and The fourth positioning reference signal sequence identifiers respectively belong to the first positioning reference signal sequence identifier set and the second positioning reference signal sequence identifier set, and these two sets respectively correspond to network device-based positioning and terminal-based positioning.
  • the second terminal determines to send the fifth positioning reference signal to the third terminal (optionally, the fifth positioning reference signal may be sent in a unicast manner) in response to the fourth positioning reference signal of the third terminal, And no positioning reference signal is fed back to the first terminal.
  • the third terminal may determine the location information of the second terminal and/or the location information of the third terminal based on the time of sending the fourth positioning reference signal and/or the time of receiving the fifth positioning reference signal.
  • the location information of the second terminal includes the current location information of the second terminal and/or the location information of the second terminal relative to the third terminal; the location information of the third terminal includes the current location information of the third terminal and/or Location information of the third terminal relative to the second terminal.
  • the sixth positioning reference signal may be fed back to the first terminal (optionally, the sixth positioning reference signal may be transmitted through unicast (sent in a manner), so that the first terminal determines the location information of the first terminal and/or the location information of the network device based on the time when the first positioning reference signal is sent and/or the time when the sixth positioning reference signal is received.
  • the location information of the first terminal includes the current location information of the first terminal and/or the location information of the first terminal relative to the network device; the location information of the network device includes the current location information of the network device and/or the location information of the network device relative to Location information of the first terminal.
  • the second terminal receives the first positioning reference signal sent by the first terminal.
  • the third positioning reference signal needs to be fed back to the first terminal.
  • the second terminal may be configured as a terminal-based positioning method, or configured as a positioning method based on a combination of the network device and the terminal, and the second terminal may broadcast or multicast the second positioning reference signal.
  • the first terminal needs to feed back the first positioning reference signal to the second terminal.
  • the third terminal may determine the fourth positioning reference signal in a manner similar to the first terminal determining the first positioning reference signal; the second terminal may determine the fifth positioning reference signal in a manner similar to the second terminal determining the third positioning reference signal.
  • the method of positioning the reference signal is similar.
  • the terminal obtains a set of positioning reference signal sequence identifiers, which includes N positioning reference signal sequence identifiers, where N is an integer greater than or equal to 1, and the terminal is based on the following information Determine at least one of the positioning reference signal sequence identifiers: terminal identification information, resource information of the positioning reference signal to be sent, resource information of the received positioning reference signal, and whether the second positioning reference signal to be sent is used to respond to the received positioning reference signal.
  • the first positioning reference signal and the positioning reference signal sequence identifier corresponding to the received positioning reference signal.
  • the terminal identity includes at least one of the following: cell wireless network temporary identity C-RNTI, group identity of the communication group where the terminal is located, group identity of the terminal in the communication group, layer 2 source target identity, layer 2 destination identity ( Destination ID).
  • the terminal identification information may be all or part of the identification information of one or more terminal identifications listed above.
  • the terminal identification information includes a partial bit sequence of the terminal identification.
  • the resource information includes at least one of the following:
  • Time domain resource information of the positioning reference signal (such as at least one of the following: the time slot information where the positioning reference signal is located, the position information of the first OFDM symbol occupied by the positioning reference signal in the time slot, the number of OFDM symbols occupied by the positioning reference signal Information, the repetition period information of the positioning reference signal, the repetition number information of the positioning reference signal; the time domain interval information of two adjacent repeated positioning reference signals; time slot offset information; symbol offset information);
  • Frequency domain resource information of the positioning reference signal (such as at least one of the following: the bandwidth of the positioning reference signal PRS, the starting PRB information of the PRS, and the starting RE offset information of the PRS);
  • Locate frequency layer information which is used to indicate at least one of the following: PRS subcarrier spacing, cyclic prefix, resource bandwidth, starting PRB information, PointA information, comb size or resource unit spacing.
  • the positioning reference signal sequence identity may be determined based on the terminal identity. For example, in order to locate the first terminal, the first terminal and several other terminals or Road Side Units (Road Side Unit, RSU) form a communication group, and the first terminal determines or The intra-group identification information within the communication group determines the positioning reference signal sequence identification.
  • RSU Road Side Unit
  • the positioning reference signal sequence identifier may be determined based on resources of the positioning reference signal. For example, the first terminal obtains the first information and determines the positioning reference signal resource according to the first information, that is, the transmission resource used to transmit the positioning reference signal; the first terminal determines the positioning reference signal according to the time domain resource and/or frequency domain resource information of the positioning reference signal. Determine one or more positioning reference signal sequence identifiers; if multiple positioning reference signal sequence identifiers are determined, further, the first terminal determines a positioning reference signal sequence identifier from the multiple positioning reference signal sequence identifiers based on other information. Other information is, for example, terminal identification information.
  • the positioning reference signal sequence identifier may be determined based on the positioning reference signal sequence identifier corresponding to the received positioning reference signal sequence.
  • the first terminal receives a second positioning reference signal sent by another terminal, and the first terminal needs to send a first positioning reference signal in response to the second positioning reference signal.
  • the first positioning reference signal sequence identifier can be based on The second positioning reference signal sequence identifier is determined.
  • the second positioning reference signal sequence corresponds to the second positioning reference signal sequence identifier; the first positioning reference signal sequence corresponds to the first positioning reference signal sequence identifier, and the first positioning reference signal sequence identifier has a corresponding relationship with the second positioning reference signal sequence.
  • the two positioning reference signal sequence identifiers are the same; or the second positioning reference signal sequence identifier and the first positioning reference signal sequence identifier have a functional relationship, that is, it can be determined based on the second positioning reference signal sequence identifier and the functional relationship.
  • the first positioning reference signal sequence identifier, or the second positioning reference signal sequence identifier can be determined according to the first positioning reference signal sequence identifier and the functional relationship.
  • the second identity can be determined according to the following formula:
  • the first identifier can be determined according to the following formula: in, Represents the second identifier; Represents the first identifier; f1() and f2() represent functional relationships.
  • the embodiments of this application provide a method for the first terminal to determine the positioning reference signal sequence identifier based on the positioning method, terminal identification, positioning signal transmission resources and other information, so that the terminal can determine the corresponding positioning reference signal identifier.
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in this application.
  • the implementation of the examples does not constitute any limitations.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, where “downlink” is used to indicate that the transmission direction of signals or data is from the station.
  • uplink is used to indicate that the transmission direction of the signal or data is the second direction from the user equipment of the cell to the site
  • sidelink is used to indicate that the transmission direction of the signal or data is A third direction sent from User Device 1 to User Device 2.
  • downlink signal indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship describing associated objects, indicating that three relationships can exist. Specifically, A and/or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the related objects are an "or" relationship.
  • Figure 18 is a schematic structural diagram of a communication device provided by an embodiment of the present application. As shown in Figure 18, the communication device 1800 can be applied to the first terminal.
  • the communication device 1800 includes: a determining unit 1801 for determining from a predetermined identifier A first identifier is determined in the set; the communication unit 1802 is configured to send a first positioning reference signal to the second terminal according to the first identifier.
  • the determining unit 1801 is further configured to: obtain a first positioning method; and determine the first identification from the predetermined identification set according to the first positioning method.
  • the predetermined identification set includes at least one identification set; the determining unit 1801 is further configured to: determine the first identification set corresponding to the first positioning method; wherein the first identification set includes the The first identifier is determined from the first identifier set in the at least one identifier set.
  • the determining unit 1801 is further configured to: randomly determine the first identifier from the first identifier set; or, the determining unit 1801 is further configured to: determine from the first identifier set according to at least one of the following: The first identification is determined in an identification set: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, and whether the first positioning reference signal is used to respond to the The second positioning reference signal sent by the second terminal, the second identifier corresponding to the second positioning reference signal sent by the second terminal, and the resource information of the second positioning reference signal sent by the second terminal.
  • the determining unit 1801 is further configured to: determine the first identification set corresponding to the first positioning method according to the corresponding relationship; wherein the corresponding relationship includes: the at least one identification set and at least Correspondence between one positioning method; the first positioning method is included in the at least one positioning method.
  • the corresponding relationship is stipulated in the protocol; or, the corresponding relationship is determined by the first terminal according to preconfiguration; or, the corresponding relationship is configured by a network device; or, the corresponding relationship is The relationship is configured by the second terminal; or the corresponding relationship is configured by other terminals other than the first terminal and the second terminal.
  • the determining unit 1801 is further configured to: determine the first positioning method according to protocol agreement; or determine the first positioning method according to preconfiguration; or determine the first positioning method according to network device configuration information.
  • the communication unit 1802 is further configured to: receive a second positioning reference signal sent by the second terminal; the determining unit 1801 is further configured to: according to the second positioning reference signal, determine the predetermined identifier from the second positioning reference signal. The first identifier is determined in the set.
  • the determining unit 1801 is further configured to: determine a second identifier corresponding to the second positioning reference signal; and determine the first identifier from the predetermined identifier set according to the second identifier.
  • the predetermined identity set includes at least one identity set; the determining unit 1801 is further configured to: determine a second identity set to which the second identity belongs; the second identity set is included in the at least one identity set. in the identification set; determining the first identification from the second identification set.
  • the determining unit 1801 is further configured to: determine a second positioning method corresponding to the second identification set; when the second positioning method is a method that requires feedback of a positioning reference signal, from the The first identifier is determined from the second identifier set.
  • the first positioning method or the second positioning method includes at least one of the following: a round trip time RTT positioning method, a multiple round trip time multi-RTT positioning method, a reference signal time difference RSTD positioning method, a time difference of arrival TDOA positioning method, Observe the arrival time difference OTDOA positioning method, departure angle AOD positioning method, and arrival angle AOA positioning method.
  • the first positioning method or the second positioning method includes at least one of the following: a positioning method based on a network device; a positioning method based on a terminal; and a positioning method based on a combination of a network device and a terminal.
  • the second positioning method is a method that requires feedback of positioning reference signals, including one of the following: the second positioning method includes: a multi-RTT positioning method; the second positioning method includes: a multi- RTT positioning method, and terminal-based positioning method; the second positioning method includes: multi-RTT positioning method, and positioning method based on the combination of network equipment and terminals.
  • the determining unit 1801 is further configured to: randomly determine the first identifier from the second identifier set; or, the determining unit 1801 is further configured to: determine from the first identifier set according to at least one of the following: Determine the first identifier from a set of two identifiers: the identifier of the first terminal, the identifier of the second terminal, the resource information of the first positioning reference signal, and whether the first positioning reference signal is used to respond to the request.
  • the determining unit 1801 is further configured to: randomly determine the first identifier from the predetermined identifier set; or, the determining unit 1801 is further configured to: determine the first identifier from the predetermined identifier according to at least one of the following: Determine the first identification in the set: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, and whether the first positioning reference signal is used to respond to the first positioning reference signal.
  • the identity of the first terminal includes at least one of the following:
  • Part or all of the cell radio network temporary identifier C-RNTI of the first terminal part or all of the group identification of the communication group to which the first terminal belongs, and part or all of the group identification of the communication group of the first terminal.
  • Part or all of the Layer 2 source identification of the first terminal part or all of the Layer 2 destination identification of the first terminal.
  • the identity of the second terminal includes at least one of the following: part or all of the C-RNTI of the second terminal, part or all of the group identifier of the communication group to which the second terminal belongs. , part or all of the intra-group identification of the second terminal in the communication group, part or all of the layer 2 source and destination identification of the second terminal, part or all of the layer 2 destination identification of the second terminal, or all.
  • the resource information includes at least one of the following: time domain resource information, frequency domain resource information, and frequency layer information.
  • the time domain resource information includes at least one of the following: time unit information, position information of the first symbol occupied in the time unit, information on the number of occupied symbols, repetition period information, and repetition number information. , the interval information, time slot offset information, and symbol offset information between repeated positioning reference signals;
  • the frequency domain resource information includes at least one of the following: bandwidth, starting physical resource block PRB information, starting resource element RE offset information;
  • the frequency layer information includes at least one of the following: subcarrier spacing, cyclic prefix, bandwidth, starting PRB information, PointA information, comb tooth size, comb tooth spacing, and resource unit spacing.
  • the determining unit 1801 is further configured to: when the first terminal determines multiple identities from the predetermined identity set based on the first information, determine the multiple identities from the plurality of identities based on the second information. Determine the first identifier among the identifiers;
  • the first information is part of the third information;
  • the third information includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • Resource information of positioning reference signals includes: the identification of the first terminal, the identification of the second terminal, the resource information of the first positioning reference signal, Whether the first positioning reference signal is used to respond to the second positioning reference signal sent by the second terminal, the second identification corresponding to the second positioning reference signal sent by the second terminal, the third positioning reference signal sent by the second terminal 2.
  • the second information is part or all of the third information except the first information.
  • the second identifier is the same as the first identifier; or,
  • the second identification and the first identification have a functional relationship.
  • the predetermined identity set is agreed upon by a protocol; or, the predetermined identity set is determined by the first terminal according to preconfiguration; or, the predetermined identity set is configured by a network device; or, The predetermined identity set is configured by the second terminal; or the predetermined identity set is configured by other terminals other than the first terminal and the second terminal.
  • Figure 19 is a schematic structural diagram of another communication device provided by an embodiment of the present application. As shown in Figure 19, the communication device 1900 can be applied to the second terminal.
  • the communication device 1900 includes:
  • the communication unit 1901 is configured to receive a first positioning reference signal sent by the first terminal; wherein the first positioning reference signal is determined according to a first identifier in a predetermined identifier set.
  • the communication device 1900 further includes: a determining unit 1902, configured to determine resources (including time domain resources and/or frequency domain resources) for receiving the first positioning reference signal.
  • the communication unit 1901 is also configured to receive the first positioning reference signal sent by the first terminal according to the determined resource of the first positioning reference signal.
  • the communication unit 1901 is further configured to: determine whether to feed back a third positioning reference signal for the first positioning reference signal to the first terminal according to the first positioning reference signal.
  • the communication unit 1901 is further configured to: when the first positioning signal is a feedback signal for the second positioning reference signal sent by the second terminal to the first terminal, not to The first terminal feeds back the third positioning reference signal for the first positioning reference signal.
  • the determining unit 1902 is further configured to: in the case where the first positioning signal is not a feedback signal for the second positioning reference signal sent by the second terminal to the first terminal, the The second terminal determines the first identifier corresponding to the first positioning reference signal; the second terminal determines the first positioning method corresponding to the first identifier;
  • the communication unit 1901 is further configured to: when the first positioning method is a method that requires feedback of a positioning reference signal, the second terminal feeds back the positioning reference signal for the first positioning reference signal to the first terminal. a third positioning reference signal; or, when the first positioning method is a method that does not require feedback of a positioning reference signal, the second terminal does not feed back the first positioning reference signal to the first terminal.
  • the third positioning reference signal of the signal is further configured to: when the first positioning method is a method that requires feedback of a positioning reference signal, the second terminal feeds back the positioning reference signal for the first positioning reference signal to the first terminal.
  • the determining unit 1902 is further configured to: determine that the first identifier belongs to a first identifier set; and determine the first positioning method corresponding to the first identifier set.
  • the determining unit 1902 is further configured to: determine the first positioning method corresponding to the first identification set according to the corresponding relationship; wherein the corresponding relationship includes: the at least one identification set and at least Correspondence between one positioning method; the first positioning method is included in the at least one positioning method.
  • the corresponding relationship is stipulated in the protocol; or, the corresponding relationship is determined by the second terminal according to preconfiguration; or, the corresponding relationship is configured by a network device; or, the corresponding relationship is The relationship is configured by the first terminal; or the corresponding relationship is configured by other terminals other than the first terminal and the second terminal.
  • the determining unit 1902 is further configured to determine a second identity from a predetermined identity set; the communication unit 1901 is further configured to: send a second positioning reference to the first terminal according to the second identity. Signal.
  • the determining unit 1902 is further configured to: obtain a second positioning method; and determine the second identification from the predetermined identification set according to the second positioning method.
  • the determining unit 1902 is further configured to: determine the second positioning method according to the protocol agreement; or determine the second positioning method according to the preconfiguration; or determine the second positioning method according to the network device configuration information. Two positioning methods; or, determine the second positioning method according to the information configured by the second terminal; or determine the second positioning method according to the information configured by the first terminal and other terminals other than the second terminal. method.
  • the first positioning method or the second positioning method includes at least one of the following: a round trip time RTT positioning method, a multiple round trip time multi-RTT positioning method, a reference signal time difference RSTD positioning method, a time difference of arrival TDOA positioning method, Observe the arrival time difference OTDOA positioning method, departure angle AOD positioning method, and arrival angle AOA positioning method.
  • the predetermined identity set is agreed upon by a protocol; or, the predetermined identity set is determined by the second terminal according to preconfiguration; or, the predetermined identity set is configured by a network device; or, The predetermined identity set is configured by the first terminal; or the predetermined identity set is configured by other terminals other than the first terminal and the second terminal.
  • Figure 20 is a schematic structural diagram of another communication device provided by an embodiment of the present application. As shown in Figure 20, the communication device 2000 can be applied to network equipment.
  • the communication device 2000 includes:
  • Communication unit 2001 configured to configure a predetermined identification set to the first terminal; the predetermined identification set includes a first identification, and the first identification is used to determine the first positioning reference signal sent by the first terminal to the second terminal. .
  • the communication device 2000 further includes: a determining unit 2002, configured to determine a predetermined identity set.
  • the predetermined identification set includes at least one identification set; the at least one identification set includes a first identification set, and the first identification set includes the first identification;
  • the first identification set corresponds to the first positioning method; the first positioning method is included in the at least one positioning method.
  • the communication unit 2001 is further configured to configure the corresponding relationship and/or the first positioning method to the first terminal.
  • Figure 21 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication device 2100 may include one of the following: a first terminal, a second terminal, or a network device.
  • the communication device 2100 shown in Figure 21 may include a processor 2110 and a memory 2120.
  • the memory 2120 stores a computer program that can be run on the processor 2110.
  • the processor 2110 executes the program, any of the above embodiments can be implemented. communication methods.
  • the memory 2120 may be a separate device independent of the processor 2110, or may be integrated in the processor 2110.
  • the communication device 2100 may also include a transceiver 2130, and the processor 2110 may control the transceiver 2130 to communicate with other devices, specifically, may send information or data to other devices, or Receive information or data from other devices.
  • the transceiver 2130 may include a transmitter and a receiver.
  • the transceiver 2130 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 2100 may be the first terminal, the second terminal or the network device in the embodiment of the present application, and the communication device 2100 may implement the first terminal, the second terminal in the various methods of the embodiment of the present application.
  • the corresponding process implemented by the second terminal or network device will not be described again for the sake of simplicity.
  • Embodiments of the present application also provide a computer storage medium that stores one or more programs, and the one or more programs can be executed by one or more processors to implement any implementation of the present application. Communication method in the example.
  • the computer-readable storage medium can be applied to the first terminal, the second terminal or the network device in the embodiments of the present application, and the computer program causes the computer to execute the first terminal in each method of the embodiments of the present application.
  • the corresponding process implemented by the terminal, the second terminal or the network device will not be described again for the sake of simplicity.
  • Figure 22 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 2200 shown in Figure 22 includes a processor 2210.
  • the processor 2210 is used to call and run a computer program from the memory to implement the method in any embodiment of the present application.
  • chip 2200 may also include memory 2220.
  • the processor 2210 can call and run the computer program from the memory 2220 to implement the method in the embodiment of the present application.
  • the memory 2220 may be a separate device independent of the processor 2210, or may be integrated into the processor 2210.
  • the chip 2200 may also include an input interface 2230.
  • the processor 2210 can control the input interface 2230 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 2200 may also include an output interface 2240.
  • the processor 2210 can control the output interface 2240 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the first terminal, the second terminal or the network device in the embodiments of the present application, and the chip can implement the first terminal, the second terminal or the network device in the various methods of the embodiments of the present application.
  • the corresponding process of network device implementation will not be described again here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application also provide a computer program product.
  • the computer program product includes a computer storage medium.
  • the computer storage medium stores a computer program.
  • the computer program includes instructions that can be executed by at least one processor. When the When the instructions are executed by the at least one processor, the communication method in any embodiment of the present application is implemented.
  • the computer program product can be applied to the first terminal, the second terminal or the network device in the embodiments of the present application, and the computer program instructions cause the computer to perform the various methods in the embodiments of the present application by the first terminal. , the corresponding process implemented by the second terminal or network device will not be repeated here for the sake of simplicity.
  • the computer program product in the embodiment of this application may also be called a software product in other embodiments.
  • An embodiment of the present application also provides a computer program, which causes a computer to execute the communication method in any embodiment of the present application.
  • the computer program can be applied to the first terminal, the second terminal or the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to perform various methods in the embodiments of the present application.
  • the corresponding process implemented by the first terminal, the second terminal or the network device will not be described again for the sake of simplicity.
  • the processor, communication device or chip in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities. During the implementation process, each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor, communication device or chip may include the integration of any one or more of the following: general-purpose processor, application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), digital signal processor (Digital Signal Processor, DSP), digital Digital Signal Processing Device (DSPD), Programmable Logic Device (PLD), Field Programmable Gate Array (FPGA), Central Processing Unit (CPU), graphics Processor (Graphics Processing Unit, GPU), embedded neural network processing units (NPU), controller, microcontroller, microprocessor, programmable logic device, discrete gate or transistor logic device, discrete Hardware components.
  • ASIC Application Specific Integrated Circuit
  • DSP digital Signal Processor
  • DSPD digital Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Random Access Memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application can also be static random access memory (static RAM, SRAM) or dynamic random access memory (dynamic RAM).
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous link dynamic random access memory synchronous link dynamic random access memory
  • direct Rambus RAM Direct Rambus RAM, DR RAM
  • memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

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

Abstract

Des modes de réalisation de la présente demande concernent un procédé et un appareil de communication, un dispositif, un support d'enregistrement, une puce, un produit et un programme. Le procédé comprend les étapes suivantes : un premier terminal détermine un premier identifiant à partir d'un ensemble d'identifiants prédéterminé ; et le premier terminal envoie un premier signal de référence de positionnement à un second terminal selon le premier identifiant.
PCT/CN2022/106753 2022-07-20 2022-07-20 Procédé et appareil de communication, dispositif, support d'enregistrement, puce, produit et programme WO2024016215A1 (fr)

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PCT/CN2022/106753 WO2024016215A1 (fr) 2022-07-20 2022-07-20 Procédé et appareil de communication, dispositif, support d'enregistrement, puce, produit et programme

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CN110635876A (zh) * 2018-06-22 2019-12-31 维沃移动通信有限公司 Nr系统的定位参考信号配置、接收方法和设备
CN111436127A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 一种参考信号发送方法及装置
CN112583553A (zh) * 2019-09-29 2021-03-30 大唐移动通信设备有限公司 信号传输方法及装置
CN112673652A (zh) * 2018-09-20 2021-04-16 Oppo广东移动通信有限公司 一种信号传输方法及装置、终端
CN114339987A (zh) * 2020-09-30 2022-04-12 展讯通信（上海）有限公司 定位参考信号的传输方法及装置、存储介质、终端

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Publication number Priority date Publication date Assignee Title
CN110635876A (zh) * 2018-06-22 2019-12-31 维沃移动通信有限公司 Nr系统的定位参考信号配置、接收方法和设备
CN112673652A (zh) * 2018-09-20 2021-04-16 Oppo广东移动通信有限公司 一种信号传输方法及装置、终端
CN111436127A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 一种参考信号发送方法及装置
CN112583553A (zh) * 2019-09-29 2021-03-30 大唐移动通信设备有限公司 信号传输方法及装置
CN114339987A (zh) * 2020-09-30 2022-04-12 展讯通信（上海）有限公司 定位参考信号的传输方法及装置、存储介质、终端

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