WO2024002350A1 - Procédé et appareil de transmission de signal de référence de positionnement de liaison latérale - Google Patents

Procédé et appareil de transmission de signal de référence de positionnement de liaison latérale Download PDF

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Publication number
WO2024002350A1
WO2024002350A1 PCT/CN2023/104854 CN2023104854W WO2024002350A1 WO 2024002350 A1 WO2024002350 A1 WO 2024002350A1 CN 2023104854 W CN2023104854 W CN 2023104854W WO 2024002350 A1 WO2024002350 A1 WO 2024002350A1
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WIPO (PCT)
Prior art keywords
side link
positioning reference
reference signal
communication device
link positioning
Prior art date
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PCT/CN2023/104854
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English (en)
Chinese (zh)
Inventor
王园园
刘是枭
邬华明
彭淑燕
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维沃移动通信有限公司
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Publication of WO2024002350A1 publication Critical patent/WO2024002350A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a transmission method and device for a side link positioning reference signal.
  • the SideLink (SL) scenario supports SL positioning services; however, when the terminal provides SL positioning services, it continues to monitor or measure positioning-related information, which will cause greater power consumption and shorten the standby time.
  • Embodiments of the present application provide a transmission method and device for a side link positioning reference signal, which can solve the problem of high power consumption when a terminal provides SL positioning services.
  • a method for transmitting a side link positioning reference signal includes:
  • the first communication device determines the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX;
  • the first communication device performs transmission of the side link positioning reference signal.
  • a method for transmitting a side link positioning reference signal which method includes:
  • the second communication device performs Transmission of line-side link positioning reference signals.
  • a transmission device for a side link positioning reference signal which device includes:
  • the first determination module is used to determine the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX;
  • the first execution module is used to execute the transmission of side-link positioning reference signals in the scenario of one or more SL DRX and/or SL eDRX.
  • a device for transmitting a side link positioning reference signal which device includes:
  • the second execution module is used to execute the transmission of side-link positioning reference signals in the scenario of one or more SL DRX and/or SL eDRX.
  • a first communication device in a fifth aspect, includes a processor and a memory.
  • the memory stores a program or instructions executable on the processor.
  • the program or instructions are processed by the processor.
  • the processor When the processor is executed, the steps of the method described in the first aspect are implemented.
  • a first communication device including a processor and a communication interface, wherein the processor is used to:
  • the transmission of side link positioning reference signals is performed.
  • a second communication device in a seventh aspect, includes a processor and a memory.
  • the memory stores programs or instructions executable on the processor. The programs or instructions are processed by the processor. When the processor is executed, the steps of the method described in the second aspect are implemented.
  • a second communication device including a processor and a communication interface, wherein the processor is used for:
  • the transmission of side link positioning reference signals is performed.
  • a ninth aspect provides a transmission system for side link positioning reference signals, including: a first communication device and a second communication device.
  • the first communication device can be used to perform the side link positioning reference signal as described in the first aspect.
  • the second communication device may be configured to perform the steps of the method of transmitting a side link positioning reference signal as described in the second aspect.
  • a readable storage medium In a tenth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method are implemented as described in the first aspect. The steps of the method described in the second aspect.
  • a chip in an eleventh aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the method described in the first aspect. The steps of a method, or steps of implementing a method as described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement as described in the first aspect
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • Figure 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable
  • Figure 2 is an example diagram of links supported by the long-term evolution system provided by related technologies
  • Figure 3 is an example diagram of the SL DRX scenario provided by related technologies
  • FIG. 4 is a schematic diagram of the basic process of RTT positioning provided by related technologies
  • FIG. 5 is a schematic diagram of RTT positioning provided by related technologies
  • Figure 6 is a schematic diagram of Double side RTT provided by related technologies
  • Figure 7 is one of the schematic flow diagrams of the transmission method of the side link positioning reference signal provided by the embodiment of the present application.
  • Figure 8 is one of the transmission schematic diagrams of the side link positioning reference signal provided by the embodiment of the present application.
  • Figure 9 is the second schematic diagram of the transmission of the side link positioning reference signal provided by the embodiment of the present application.
  • FIG 10 is a flowchart of the transmission method of the side link positioning reference signal provided by the embodiment of the present application. Intention two;
  • Figure 11 is one of the structural schematic diagrams of a transmission device for side link positioning reference signals provided by an embodiment of the present application.
  • Figure 12 is a second structural schematic diagram of a transmission device for side link positioning reference signals provided by an embodiment of the present application.
  • Figure 13 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 14 is a schematic diagram of the hardware structure of a first communication device that implements an embodiment of the present application.
  • Figure 15 is a schematic diagram of the hardware structure of a second communication device that implements an embodiment of the present application.
  • first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced, LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA single-carrier frequency division multiple access
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • UMPC ultra-mobile personal computer
  • UMPC mobile Internet device
  • Mobile Internet Device MID
  • AR augmented reality
  • VR virtual reality
  • robots wearable devices
  • VUE vehicle-mounted equipment
  • PUE pedestrian terminal
  • smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
  • PC personal computers
  • teller machines or self-service Terminal devices such as mobile phones
  • wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), Smart wristbands, smart clothing, etc.
  • the network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or Wireless access network unit.
  • the access network device 12 may include a base station, a WLAN access point or a WiFi node, etc.
  • the base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (BTS), a radio Base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (TRP) or all
  • eNB evolved Node B
  • BTS Base Transceiver Station
  • BSS Basic Service Set
  • ESS Extended Service Set
  • Home Node B Home Evolved Node B
  • TRP Transmitting Receiving Point
  • Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Service Discovery function (Edge Application Server Discovery Function, EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), centralized network configuration ( Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), Binding Support Function (Binding Support Function, BSF), Application Function (AF), Location Server, Location Management Function (LMF), Evolved Serving Mobile Location Center (E-SMLC), etc.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • SMF Session Management
  • V2X Vehicle to everything
  • FIG. 2 is an example diagram of links supported by the long-term evolution system provided by related technologies.
  • the long-term evolution (Long Term Evolution, LTE) system supports uplink (Uplink, UL) and downlink (DownLink). , DL), and sidelink (SL) (also called secondary link, side link, side link, etc.) transmission, used between end user equipment (User Equipment, UE) without passing through network equipment Direct data transmission is performed, that is, data transmission is performed directly on the physical layer between user equipments UE (such as terminals).
  • LTE sidelink communicates based on broadcast. Although it can be used to support basic security communications of V2X, it is not suitable for other more advanced V2X services.
  • the 5G NR (New Radio) system can support more advanced sidelink transmission designs, such as unicast, multicast or group broadcast, etc., thus supporting more comprehensive business types.
  • the side link supports the scenario of discontinuous reception of DRX.
  • Figure 3 is an example diagram of the SL DRX scenario provided by related technologies, as shown in Figure 3, which includes:
  • sl-drx-onDurationTimer Indicates the duration for which the UE monitors Sidelink Control Information (SCI) within a DRX cycle. The timer is stopped when the DRX command (command) is received from the control unit (Medium Access Control Control Element, MAC CE) of the media access control.
  • SCI Sidelink Control Information
  • sl-drx-StartOffset Indicates the starting time of sl-drx-onDurationTimer
  • drx-InactivityTimer Indicates the length of time that SCI needs to be monitored after receiving a MAC indicating a new transmission of SL. This timer (Timer) is in the first slot after the reception of the SCI indicating a new transmission (SL) is completed. Start or restart. Stop this timer when DRX command MAC CE is received.
  • sl-drx-RetransmissionTimer This Timer is a parameter for each hybrid automatic repeat request process (Per HARQ process), indicating that the UE needs to continuously monitor the duration in order to receive the expected SL retransmission data. This Timer starts on the first symbol after the sl-drx-RetransmissionTimer times out. Stop this Timer when receiving an instruction to retransmit.
  • sl-drx-Cycle Indicates the cycle length of short-cycle DRX.
  • sl-drx-RetransmissionTimer This Timer is a Per HARQ process parameter, indicating the minimum time interval to wait for retransmission.
  • the Timer is started on the first symbol after the positive acknowledgment (ACK) or negative acknowledgment (Negative Acknowledgment, NACK) is sent.
  • ACK positive acknowledgment
  • NACK negative acknowledgment
  • the corresponding MAC does not listen to the SCI.
  • drx-RetransmissionTimerDL corresponding to the HARQ process is started.
  • FIG. 4 is a schematic diagram of the basic process of RTT positioning provided by related technologies.
  • Figure 5 is a schematic diagram of RTT positioning provided by related technologies.
  • RTT positioning technology is a positioning technology used for ranging. The main process is as follows:
  • the initiating device (Initiating Device) sends an RTT measurement request to the responding device (Responding Device). After the Responding Device receives the RTT measurement request, it is ready to receive the RTT measurement signal.
  • the 2.Initiating Device sends RTT measurement signal to Responding Device.
  • the Responding Device measures the RTT measurement signal and obtains the Time of Arrival (TOA) measurement time t1.
  • TOA Time of Arrival
  • the 4.Responding Device sends the receive-transmit (RX-TX) time difference (t2-t1) to the Initiating Device.
  • the RX-TX time difference (t2-t1) can also be sent in the payload of the RTT measurement signal at time t2.
  • the Initiating Device measures the RTT measurement signal sent by the Responding Device and obtains the TOA measurement time t3.
  • RTT positioning does not require absolute synchronization between the Initiating Device and the Responding Device. Because, t2 and t1 only need to refer to the synchronization source of the Responding Device, and t3 and t0 only need to refer to the synchronization source of the Initiating Device.
  • Figure 6 is a schematic diagram of Double side RTT provided by related technologies. As shown in Figure 6, it can also There are scenarios of Double side RTT or multi-RTT.
  • FIG 7 is one of the flow diagrams of the transmission method of the side link positioning reference signal provided by the embodiment of the present application.
  • the transmission method of the side link positioning reference signal includes:
  • Step 700 the first communication device determines the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX;
  • the first communication device may determine the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX, which may refer to determining the SL of one or more second communication devices.
  • Configuration of DRX and/or SL eDRX therefore, if there are multiple destinations, the configuration of SL DRX and/or SL eDRX of multiple destination UEs needs to be determined.
  • the second communication device may be a receiving terminal (RX UE), which may refer to determining the configuration of SL DRX and/or SL eDRX of one or more Rx UEs.
  • RX UE receiving terminal
  • the first communication device may also receive configurations of SL DRX and/or SL eDRX of one or more Rx UEs, or receive configurations of SL DRX and/or SL eDRX of one or more Rx UEs, using Used to determine the configuration of one or more SL DRX and/or SL eDRX.
  • the first communication device may also be configured according to the SL positioning configuration information, including but not limited to the configuration information of the SL positioning resource pool, the configuration of the Rx UE's SL DRX and/or SL eDRX, and the Rx UE's preferred side SL. At least one of the configurations of DRX and/or SL eDRX determines the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX.
  • the configuration of SL DRX and/or SL eDRX for multiple RX UEs can be determined.
  • the first communication device determines the configuration of one or more SL DRX and/or SL eDRX, which may refer to determining the configuration of one or more SL DRX and/or SL eDRX corresponding to the destination ID. Therefore, if there are multiple destination, you need to determine the configuration of SL DRX and/or SL eDRX of multiple destinationUEs.
  • the first communication device may also receive one or more destination IDs.
  • the configuration of SL DRX and/or SL eDRX, or the configuration of SL DRX and/or SL eDRX that is prone to receiving one or more destination IDUEs, is used to determine the configuration of one or more SL DRX and/or SL eDRX;
  • the first communication device determines the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX, which may refer to determining the SL corresponding to each SL process (sl process). Configuration of DRX and/or SL eDRX. Therefore, if there are multiple SL processes, the configuration of SL DRX and/or SL eDRX for multiple destinationUEs can be determined.
  • Step 710 In the scenario of one or more SL DRX and/or SL eDRX, the first communication device performs transmission of the side link positioning reference signal.
  • side-link discontinuous reception SL DRX and/or side-link extended discontinuous reception SL eDRX can be introduced to help devices that provide SL positioning services. Save power consumption.
  • the relationship between the SL positioning process and the side-link discontinuous reception SL DRX and/or the side-link extended discontinuous reception SL eDRX can also be clarified, so that the positioning service and the energy-saving function can be better matched.
  • each embodiment of the present application i.e., the above-mentioned SL positioning service
  • various positioning methods such as RTT positioning method, Time Difference of Arrival (TDOA) positioning, and Angle-of-Arrival (AoA) positioning.
  • Positioning, Angle-of-Departure (AoD) positioning, etc. are not limited here.
  • the first communication device performs the transmission of the side link positioning reference signal, which may refer to: when the first communication device is in one or more SL DRX and/or SL eDRX scenarios, /or In the SL eDRX scenario, the first communication device performs the transmission of the side link positioning reference signal;
  • the first communication device performs the transmission of the side link positioning reference signal, which may mean: when the second communication device is in one or more SL DRX and/or SL eDRX scenarios, /Or in the SL eDRX scenario, the first communication device performs the transmission of the side link positioning reference signal;
  • the first communication device performs the transmission of the side link positioning reference signal, which may mean: when both the first communication device and the second communication device are in a Or in the scenario of multiple SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal;
  • the first communication device performs the transmission of the side link positioning reference signal, which may refer to: when the first communication device is in one or more SL DRX and/or SL eDRX scenarios, /or In the scenario of SL eDRX and the second communication device is not in the scenario of SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal;
  • the first communication device performs the transmission of the side link positioning reference signal, which may mean: when the second communication device is in one or more SL DRX and/or SL eDRX scenarios, /or In the scenario of SL eDRX and the first communication device is not in the scenario of SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal;
  • the first communication device performs the transmission of the side link positioning reference signal, which may refer to: when the first communication device is in one or more SL DRX and/or SL eDRX scenarios, In/or SL eDRX scenarios, and the second communication device is in different SL DRX and/or SL eDRX scenarios, the first communication device performs transmission of the side link positioning reference signal.
  • the first communication device may first determine the configuration of the one or more SL DRX and/or SL eDRX (which may be one or more SL DRX and/or SL eDRX of the first communication device and/or the second communication device). eDRX configuration), and then in the scenario of one or more SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal.
  • the first communication device when sending the side link positioning reference signal and/or other channels or signals to the second communication device, the SL DRX and/or SL eDRX of the second communication device need to be considered.
  • the first communication device when sending the side link positioning reference signal and/or other channels or signals to the second communication device, the SL DRX and/or SL eDRX of the first communication device need to be considered. configured so that the first communication device sends the side link positioning reference information at the activation time and/or other channels or signals.
  • the first communication device and the second communication device are a pair of communication devices.
  • the same SL DRX and/or SL eDRX (or the same on duration time) are maintained.
  • the first communication device maintains a larger on-duration time.
  • the first communication device may perform the transmission of the side link positioning reference signal by scheduling the terminal to transmit the side link positioning reference signal in one or more SL DRX and/or SL eDRX scenarios.
  • the first communication device may be a base station
  • the first communication device may perform the transmission of the side link positioning reference signal by scheduling the second communication device, for example, the second communication device is a terminal, so that the terminal is in a or multiple SL DRX and/or SL eDRX scenarios to transmit side link positioning reference signals.
  • the base station schedules the terminal to transmit the side link positioning reference signal, it needs to consider whether the terminal is in an active state. For example, the base station When in the active state, the scheduling terminal transmits the side link positioning reference signal. Furthermore, the base station considers that when the receiving terminal is in an active state, it schedules the sending terminal to transmit the side link positioning reference signal.
  • the first communication device may determine one or more SL DRX and/or SL eDRX for the second communication device (ie, the sending terminal or the receiving terminal), the first The communication device performs the transmission of the side link positioning reference signal, which may be configured to interact with one or more SL DRX and/or SL eDRX with the above-mentioned second communication device (ie, the sending terminal or the receiving terminal).
  • the base station aligns the configuration information of DRX and SL DRX and determines one or more SL DRX and/or SL eDRX of the terminal, thereby facilitating hybrid positioning and making the Uu port positioning reference signal and PC5 port (side link positioning reference signal) can be transmitted in active time.
  • the side link positioning reference signal may include SL positioning reference signal (Positioning Reference Signal, PRS), SL reference signal extension (used for positioning), such as SL synchronization signal block (Synchronization Signal and PBCH block, SSB), SL Channel State Information Reference Signal (CSI-RS), SL phase tracking reference signal One or more of (Phase-tracking reference signal, PTRS), SL demodulation reference signal (Demodulation Reference Signal, DMRS);
  • the side link positioning reference signal may include a reference signal used for SL positioning, or a signal transmitted in the SL positioning process.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the first communication device performs transmission of side link positioning reference signals, including at least one of the following:
  • the first communication device sends the side link positioning reference signal, wherein the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the first communication device receives or processes the side link positioning reference signal, wherein the side link positioning reference signal includes a second side link positioning reference signal SL-PRS 2;
  • the first communication device and the second communication device interact with the SL DRX and/or SL eDRX update configuration and/or auxiliary data of the side link positioning reference signal;
  • the first communication device and the second communication device exchange scheduling information of the side link positioning reference signal;
  • the first communication device and the second communication device exchange measurement information of the side link positioning reference signal
  • the second communication device is a peer device that performs side link positioning or information exchange with the first communication device for side link positioning.
  • the first communication device performs transmission of the side link positioning reference signal, which may include any one or more of the following:
  • the first communication device sends SL-PRS 1; or
  • the first communications device receives or processes SL-PRS 2; or
  • the first communication device and the second communication device interact with the SL DRX and/or SL eDRX update configuration and/or auxiliary data of the side link positioning reference signal, wherein the side link positioning reference signal
  • the auxiliary data may include SL PRS index (index), SL PRS identifier (Identifier, ID), SL PRS, SL PRS sequence (sequence), SL RPS sequence index, SL PRS time domain, SL PRS frequency domain resources, and SL PRS Any one or more items such as time information; or
  • the first communication device and the second communication device exchange scheduling information of the side link positioning reference signal;
  • the first communication device and the second communication device exchange measurement information of the side link positioning reference signal, where the measurement information may include SL-PRS measurement time difference, such as: Reference Signal Received Power (RSRP) , Reference Signal Time Difference (RSTD), toa, tdoa, T_(Tx-Rx), T_(Tx-Rx), SL-PRS measurement angle information, timestamp information, line of sight propagation (Line Of Sight, Any one or more of LOS) or Non Line of Sight (NLOS) indication information;
  • RSRP Reference Signal Received Power
  • RSTD Reference Signal Time Difference
  • SL-PRS 1 and SL-PRS 2 can be the same or different, and there can be mapping relationships in time, frequency domain or sequence, which are not limited here;
  • SL-PRS 1 and SL-PRS 2 may include one or more SL positioning reference signals, or may be multiple transmissions of one SL positioning reference signal, which are not limited here.
  • the second communication device may be a peer device that performs side-link positioning with the first communication device
  • the second communication device may be a peer device that interacts with the first communication device for information exchange for side link positioning.
  • the second communication device includes one or more terminals.
  • the second communication device when it includes multiple terminals, it may correspond to a Double side RTT/multi-RTT scenario.
  • the second communication device when it includes multiple terminals, it may correspond to multiple destination IDs or multiple SL processes.
  • the side link positioning reference signal is a multicast side link positioning reference signal.
  • the transmission position of the multicast side link positioning reference signal (such as multicast SL-PRS) can be Relevant to one or more of SL DRX cycle, destination L2 ID, and multicast ID;
  • the first communication device may restart the timer of the activation time (eg, sl-drx-InactivityTimer) when receiving a multicast request for the multicast side link positioning reference signal.
  • the timer of the activation time eg, sl-drx-InactivityTimer
  • the first communication device is associated with multiple multicast terminals (ie, the second communication device), they all need to maintain the timer, and the first communication device maintains the largest timer.
  • the method also includes:
  • the first communication device determines the transmission resource of the side link positioning reference signal so that the transmission of the side link positioning reference signal is in an activation time.
  • SL DRX and/or SL eDRX it is also necessary to determine how to transmit the side link positioning reference signal to avoid the scenario where the peer is in an inactive time and cannot monitor SL positioning. Better balance location services and power consumption requirements.
  • FIG. 8 is one of the transmission schematic diagrams of the side link positioning reference signal provided by the embodiment of the present application. As shown in FIG. 8 , the transmission of the side link positioning reference signal is in the activation time.
  • the transmission resources of the side link positioning reference signal can be reasonably determined.
  • the first communication device determines the transmission resources of the side link positioning reference signal, including at least one of the following:
  • the first communication device determines the transmission resource of the side link positioning reference signal based on the first information
  • the first information includes at least one of the following:
  • the DRX configuration information is the discontinuous transmission configuration information of the uu interface, and the SL DRX and/or SL eDRX configuration information is used for the configuration of the SL DRX and/or SL eDRX.
  • the first communication device determines the transmission resource of the side link positioning reference signal based on the first information. Implicit also includes the first communication device determining the transmission resource of the side-link positioning reference signal based on the first information and the configuration information of the side-link positioning reference signal. For example, at time n, the remaining activation time is less than the first threshold, and the side link positioning reference signal may not be sent in the current cycle. For another example, if at time n, the selectable activation time is less than the second threshold, the side link positioning reference signal may not be sent in the current cycle.
  • the first communication device cannot complete the related behavior of performing side-link positioning reference signal transmission, and may not be able to perform the transmission of the side-link positioning reference signal in the current cycle.
  • the first communication device determines the transmission resource of the side link positioning reference signal based on the first information.
  • the transmission resources of the partial side-link positioning reference signal may only be at the current activation time of the second communication device, and the second communication device is activated according to the transmission resources of the partial side-link positioning reference signal received at the activation time (for example, sl- drx-InactivityTimer) timer, so that the subsequent transmission resources of the side link positioning reference signal are also in the activation time.
  • resource selection may be performed according to the first information, and the transmission resources of the side link positioning reference signal may be determined so that the transmission of the side link positioning reference signal is in the activation time.
  • the first communication device determines the transmission resources of the side link positioning reference signal based on the first information, including:
  • the first communication device determines the transmission resource of the side link positioning reference signal in the resource selection window.
  • the first information may include one or more resource selection windows, and the first communication device may determine the transmission resource of the side link positioning reference signal in the one or more resource selection windows.
  • the first communication device determines the transmission resources of the side link positioning reference signal based on the first information, including:
  • the resource selection window is determined according to the first information, so that the resource selection window satisfies at least one of the following:
  • the resource selection window is located at the activation time of the SL DRX and/or SL eDRX;
  • the resource selection window is located at the activation time of the first communication device
  • the resource selection window is located at the expected activation time of the first communication device
  • the resource selection window is located at the activation time of the second communication device
  • the resource selection window is located at the expected activation time of the second communication device.
  • X percent of the resource selection window is located at the activation time of the SL DRX and/or SL eDRX.
  • the resource selection window determined by the optional first communication device is notified to the second communication device, so that the second communication device is in the activation time in the resource selection window.
  • the first communication device can also determine a resource selection window based on the first information, so that the resource selection window satisfies one or more of the following, and then determines the side link positioning reference signal in the resource selection window.
  • Transmission resources that is, it can ensure that the transmission of the side link positioning reference signal is at the activation time:
  • the resource selection window is located at the activation time of the SL DRX and/or SL eDRX; or
  • the resource selection window is located at the activation time of the first communication device, where the first communication device is in a SL DRX and/or SL eDRX scenario, and the activation time of the first communication device is based on the SL DRX and SL eDRX of the first communication device. /or SL eDRX configuration determined; or
  • the resource selection window is located at the expected activation time of the first communication device, wherein the first communication device is in a SL DRX and/or SL eDRX scenario, and the expected activation time of the first communication device is based on the first communication device.
  • the resource selection window is located at the activation time of the second communication device, wherein the second communication device is in a SL DRX and/or SL eDRX scenario, and the activation time of the second communication device is based on the SL of the second communication device.
  • the resource selection window is located at an expected activation time of the second communication device, where the second communication device is in a SL DRX and/or SL eDRX scenario, and the activation time of the second communication device is based on the second communication device.
  • X percent of said resource selection window is located at the activation time of said SL DRX and/or SL eDRX;
  • the starting time of the resource selection window is located at the activation time of the SL DRX and/or SL eDRX.
  • the resource selection window is a set of time units excluding inactive time in the side link resource pool; or;
  • the resource selection window is a side link resource pool determined according to the first information, wherein the side link resource pool does not include a time unit of inactive time.
  • the first communication device determines the transmission resources of the side link positioning reference signal based on the first information, including at least one of the following:
  • the first communication device determines that the transmission resource of the side link positioning reference signal is the activation time of the first communication device
  • the first communication device determines that the transmission resource of the side link positioning reference signal is the expected activation time of the first communication device
  • the first communication device determines that the transmission resource of the side link positioning reference signal is the activation time of the second communication device.
  • the first communication device determines that the transmission resource of the side link positioning reference signal is the expected activation time of the second communication device.
  • the optional resources of the first communication device may include resources corresponding to the activation time or expected activation time of the first communication device, and the selected resources may be used to send SL-PRS1, SL-PRS assistance data, and SLPRS One or more items of measurement information;
  • the optional resources of the first communication device may include resources corresponding to the activation time or expected activation time of the second communication device, and the selected resources may be used to send SL-PRS1, SL-PRS assistance data, and SLPRS One or more items of measurement information;
  • the optional resources of the first communication device may include resources corresponding to the activation time or expected activation time of the second communication device, and the selected resources may be used to send one of SL-PRS2 and SL-PRS measurement information. item or multiple items.
  • SL-PRS auxiliary data includes at least one of the following: expected reception time of SL-PRS, synchronization error information, pattern information, sequence information, sequence ID, comb N, symbol number, time domain position, frequency domain position , one or more of the power information;
  • the SL-PRS measurement information may include: RSRP, RSTD, toa, tdoa, T_(Tx-Rx), T_(Tx-Rx), SL-PRS measurement angle information, timestamp information, LOS or NLOS indication Any one or more items of information, etc.
  • the transmission resources of the side link positioning reference signal are used for the transmission of at least one of the following:
  • the first communication device sends the side link positioning reference signal, wherein the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the first communication device receives or processes the side link positioning reference signal, wherein the side link positioning reference signal includes a second side link positioning reference signal SL-PRS 2;
  • the first communication device and the second communication device interact with the SL DRX and/or SL eDRX update configuration and/or auxiliary data of the side link positioning reference signal;
  • the first communication device and the second communication device exchange scheduling information of the side link positioning reference signal;
  • the first communication device and the second communication device exchange measurement information of the side link positioning reference signal
  • the second communication device is a peer device that performs side link positioning or information exchange with the first communication device for side link positioning.
  • the first communication device determines the transmission resources of the side link positioning reference signal, including:
  • the first communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, and the resource selection window is used to determine the Transmission resources for side link positioning reference signals.
  • the transmission resources of the side link positioning reference signal can be determined based on the configuration of SL DRX and/or SL eDRX, so that the transmission of the side link positioning reference signal is at the activation time.
  • the resource selection window can be determined based on the configuration of SL DRX and/or SL eDRX. resources, and then the transmission resources of the side link positioning reference signal can be determined in the resource selection window, so that the transmission of the side link positioning reference signal is in the activation time.
  • the first communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, including:
  • the first communication device determines that the transmission time and/or resource selection window of the side link positioning reference signal is: the Xth time unit after the starting time of the SL DRX and/or SL eDRX;
  • X satisfies at least one of the following:
  • X is indicated by the network side, or determined by the first communication device, or preconfigured, or predefined by the protocol; or
  • the value of X is associated with at least one of the source address source ID, the destination layer 2 address Destination Layer-2 ID, or the transmission window of the side link positioning reference signal.
  • X is indicated by the network side, or determined by the first communication device, or preconfigured, or predefined by the protocol.
  • the unit of X may be the unit of time unit, such as slot, millisecond. (ms);
  • the value of X is related to one or more of the source ID, Destination Layer-2 ID or the transmission window of the side-link positioning reference signal.
  • the resource selection window is applicable to at least one of the following:
  • the resource selection window in each embodiment of the present application may be applicable to any scenario of unicast, multicast, or broadcast, or may be applicable to any scenario of unicast, multicast, or broadcast.
  • indication information used to indicate the cast type applicable to each resource selection window (such as one or more ⁇ unicast, multicast, broadcast ⁇ ;
  • indication information used to indicate the cast type applicable to the resource selection window (such as one or more ⁇ unicast, multicast, broadcast ⁇ .
  • the first communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, including:
  • the first communication device determines that the transmission time and/or resource selection window of the side link positioning reference signal is located before the wake-up time on duration of the SL DRX and/or SL eDRX expires.
  • the first communication device may determine that the transmission time of the side link positioning reference signal is before the wake-up time on duration of SL DRX and/or SL eDRX expires;
  • the first communication device may determine that the resource selection window is located before the wake-up time on duration of SL DRX and/or SL eDRX expires.
  • the first communication device may determine that the resource selection window is located before the wake-up time on duration of SL DRX and/or SL eDRX expires, which may be the starting time of the resource selection window on SL DRX and/or SL eDRX. Before the wake-up time on duration expires;
  • the first communication device may determine that the resource selection window is located before the wake-up time of SL DRX and/or SL eDRX expires, which may be the starting time of the resource selection window + Y before the expiration of SL DRX and/or SL eDRX.
  • the wake-up time of SL eDRX is before the expiration of on duration, that is, the time of the resource selection window with at least Y time is before the expiration of on duration, so that the resource selection window is at the activation time for at least Y time.
  • the first communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, including:
  • the first communication device determines that the period of the side link positioning reference signal and/or the resource selection window is: N times the period of the SL DRX and/or SL eDRX, where N is a positive integer.
  • the first communication device may determine that the period of the transmission time of the side link positioning reference signal is N times the period of SL DRX and/or SL eDRX, where N is a positive integer;
  • the first communication device may determine that the period of the resource selection window is N times the period of SL DRX and/or SL eDRX, where N is a positive integer.
  • Figure 9 is the second schematic diagram of the transmission of the side link positioning reference signal provided by the embodiment of the present application. As shown in Figure 9, the transmission of the side link positioning reference signal can be set to be completed in a cycle of SL DRX and/or SL eDRX. .
  • the method also includes:
  • the first communication device determines a target activation time so that one or more side link positioning procedures are at the target activation time
  • the side link positioning process includes at least one of the following:
  • the time period of the activation time can be customized, that is, the target activation time.
  • the first communication device determines the target activation time, including:
  • the first communication device starts or restarts the first timer after transmitting the second information or transmitting the side link positioning reference signal, or starts or restarts the first timer based on a high-level trigger;
  • the first communication device uses the time after the starting or restarting the first timer and before the expiration of the first timer as the target activation time;
  • the second information includes at least one of the following:
  • the first indication information is used to indicate the request or reception or scheduling of the side link positioning reference signal
  • the second indication information is used to indicate the configuration information or activation information of the side link positioning reference signal.
  • the first timer may be started or restarted after the second information is transmitted or the side link positioning reference signal is transmitted, or started based on a high-level trigger Or restart the first timer, and use the time after starting or restarting the first timer and before the expiration of the first timer as the target activation time;
  • the MAC maintains a first timer, and the length of the timer can be specified by the protocol/network/higher layer/first communication device.
  • the MAC maintains a first timer, and the length of the timer can be determined based on the positioning service.
  • the first timer may be sl-drx-InactivityTimer
  • the second information may include one or more of the following:
  • the first indication information is used to indicate the request or reception or scheduling of the side link positioning reference signal.
  • the second indication information is used to indicate the configuration information or activation information of the side link positioning reference signal, which may be in the MAC CE; or
  • the configuration information or activation information of the side link positioning reference signal can be carried in Radio Resource Control (RRC) or LTE Positioning Protocol (LPP) or higher layer.
  • RRC Radio Resource Control
  • LTE Positioning Protocol LTE Positioning Protocol
  • the method further includes:
  • the first communication device monitors the third information and/or performs transmission of a side link positioning reference signal
  • the third information includes at least one of the following:
  • Hybrid automatic retransmission information wherein the hybrid automatic retransmission information indicates that the side link positioning process or the transmission of the side link positioning reference signal has been completed
  • the third indication information is used to respond to the second information, or to indicate that the side link positioning process or the side link positioning reference signal has been measured; or
  • the first communication device may perform transmission of the side link positioning reference signal
  • the first communication device may monitor the third information
  • the third information may include one or more of the following:
  • Hybrid automatic retransmission information wherein the hybrid automatic retransmission information indicates that the side link positioning process or the transmission of the side link positioning reference signal has been completed, such as knowledge SL positioning information has been received;
  • the third indication information is used to respond to the second information, or to indicate that the side link positioning process or the side link positioning reference signal has been measured, for example, it can indicate that SL-PRS3 has completed transmission;
  • the side link control information SCI can be some specific SCI, such as the SCI used for scheduling, reporting, or feedback.
  • it can also be the SCI used for scheduling the side link positioning reference signal,
  • it can also be SCI used to indicate positioning.
  • it can also be SCI scrambled with a positioning-specific wireless network temporary identifier (Radio Network Temporary Identifier, RNTI).
  • RNTI Radio Network Temporary Identifier
  • the method further includes:
  • the first communications device stops the first timer or determines that the first timer has expired.
  • the first communication device may stop the first timer on its own or determine that the first timer has expired;
  • the first communication device may stop the first timer or determine that the first timer expires based on a preset trigger condition
  • the first communication device may stop the first timer or determine that the first timer expires based on indication information from other devices.
  • the first communication device stops the first timer or determines that the first timer expires, including:
  • the first communication device receives fourth information
  • the first communication device stops the first timer or determines that the first timer expires based on the fourth information
  • the fourth information includes at least one of the following:
  • Control unit MAC CE information of the first media access control wherein the first MAC CE information includes a bit used to indicate the first timer;
  • the first communication device may stop the first timer or determine that the first timer expires after receiving the fourth information
  • the fourth information may include one or more of the following:
  • SL DRX and/or SL eDRX control indication commands such as Sidelink DRX Command indication
  • Sidelink positioning control indication command such as Sidelink positioning Command indication
  • Control unit MAC CE information of the first media access control wherein the first MAC CE information includes a bit used to indicate the first timer;
  • the method further includes determining a new activation time, where the activation time includes at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes from receiving the second information to the side link positioning reference signal Measuring the time between information feedback;
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time includes the time between scheduling the sending of the first side link positioning reference signal and the sending of the third side link positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the activation time may only include:
  • the activation time includes:
  • the activation time includes the above (i)-(v) and/or a new activation time
  • the new activation time may include at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes from receiving the second information to the side link positioning reference signal Measuring the time between information feedback;
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time including the time between scheduling the transmission of the first sidelink positioning reference signal and the transmission of the third sidelink positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the solution maintains two activation times, one for non-positioning services, one for positioning services, or one for positioning exclusive resource pools.
  • the method also includes:
  • the first communication device determines to perform transmission of the side link positioning reference signal during the inactive time based on the fourth indication information
  • the fourth indication information is used to indicate that the first communication device has the ability to perform transmission of the side link positioning reference signal during the inactive time.
  • the first communication device may also perform the transmission of the side-link positioning reference signal during the inactive time when enabled by the fourth indication information to perform the transmission of the side-link positioning reference signal during the inactive time. transmission.
  • the fourth indication information can be understood as enabling indication information of a non-active time behavior
  • the fourth indication information may be partialSensingInactiveTime
  • the first communication device when receiving the fourth indication information, can stop DRX, end the on-duration and inactive timer, and can determine the inactive time to perform transmission of the side link positioning reference signal.
  • performing the transmission of the side link positioning reference signal during the non-activation time includes at least one of the following:
  • the first communication device only measures/transmits aperiodic side link positioning reference signals
  • the first communication device does not measure/transmit periodic side link positioning reference signals or semi-persistent side links road positioning reference signal
  • the first communication device measures/transmits aperiodic side link positioning reference signals or semi-persistent side link positioning reference signals
  • the first communication device does not measure/transmit periodic side link positioning reference signals
  • the first communication device does not measure/transmit aperiodic side link positioning reference signals, semi-persistent side link positioning reference signals, and periodic side link positioning reference signals;
  • the first communication device only measures/transmits at least one of a semi-persistent side link positioning reference signal or a periodic side link positioning reference signal;
  • the first communication device receives a side link control channel
  • the first communication device transmits side link positioning reference signal measurement information.
  • the first communication device may only measure/transmit aperiodic SL-PRS and not measure/transmit periodic SL-PRS or semi-persistent SL-PRS.
  • the first communication device may measure/transmit aperiodic SL-PRS or semi-persistent SL-PRS, but not measure/transmit periodic SL-PRS.
  • the first communication device may not measure/transmit aperiodic SL-PRS, semi-persistent SL-PRS, or periodic SL-PRS.
  • the first communication device may only measure/transmit one or more of semi-persistent SL-PRS or periodic SL-PRS.
  • the first communication device may receive the PSCCH and transmit SL-PRS measurement information.
  • the first communication device may continuously monitor (monitor) M time units at most, such as M slots.
  • the multiple SL-PRS transmission or scheduling, or the SL-PRS measurement information feedback should be completed within M time units.
  • the method also includes:
  • the first communication device determines to perform the transmission of the side-link positioning reference signal at the activation time based on the priority information for performing the transmission of the side-link positioning reference signal, and/or determines to perform the transmission of the side-link positioning reference signal at the deactivation time.
  • the transmission of the side link positioning reference signal is performed at a time.
  • the first communication device determines to perform the transmission of the side-link positioning reference signal at the activation time based on priority information for performing the transmission of the side-link positioning reference signal, and/or determines to perform the transmission of the side-link positioning reference signal at the inactive time.
  • Performing the transmission of the side link positioning reference signal includes at least one of the following:
  • the first communication device determines that the priority information is higher than a priority threshold, the first communication device determines to perform transmission of the side link positioning reference signal during the inactive time;
  • the first communication device determines that the priority information is higher than a priority threshold, the first communication device determines to perform transmission of the side link positioning reference signal at the activation time;
  • the first communication device determines that the priority information is lower than a priority threshold, the first communication device determines to perform transmission of the side link positioning reference signal during the inactive time; or
  • the first communication device determines that the priority information is lower than a priority threshold, the first communication device determines to perform transmission of the side link positioning reference signal at the activation time.
  • the first communication device may determine at least one of the following based on priority information for performing transmission of the side link positioning reference signal before the activation time ends:
  • the first communication device can perform measurement of the side link positioning reference signal (such as SL-PRS) or transmission.
  • the side link positioning reference signal such as SL-PRS
  • the method further includes: the first communication device and the second communication device transmitting the determined transmission resources and/or resources of the resource selection window of the side link positioning reference signal.
  • the first communication device may send the transmission resources of the side link positioning reference signal determined by the first communication device to the second communication device;
  • the first communication device may send the resources of the resource selection window determined by the first communication device to the second communication device;
  • the transmission resources of the side link positioning reference signal determined by the first communication device may be determined for the second communication device, and then may be indicated to the second communication device after determination;
  • the resources in the resource selection window determined by the first communication device may be determined for the second communication device, and then may be indicated to the second communication device after determination;
  • the first communication device may receive transmission resources of the side link positioning reference signal that the second communication device prefers;
  • the first communications device may receive resources of a resource selection window preferred by the second communications device.
  • the method also includes:
  • the first communication device transmits at least one of the following during activation time:
  • the first communication device determines the configuration of one or more SL DRX and/or SL eDRX, including:
  • the first communication device determines a configuration of one SL DRX and/or SL eDRX from multiple SL DRX and/or SL eDRX based on expectations, self-determination, or pre-configuration; or
  • the first communication device determines configurations of multiple SL DRX and/or SL eDRX, and the configurations of the multiple SL DRX and/or SL eDRX are configured by the first communication device for different peer devices.
  • the first communication device determines a plurality of SL DRX and/or SL eDRX configurations, and the multiple SL DRX and/or SL eDRX configurations are configured by the first communication device for different destinations, wherein different The destination can correspond to different peer devices.
  • the first communication device can determine the preferred/recommended/configured SL DRX according to the SL-PRS configuration (dedicated resource pool, or positioning service request); for example, the preferred/recommended/configured SL DRX configuration ( preferred SL DRX configuration), such as the preferred/recommended/configured SL DRX cycle (preferred SL DRX cycle), such as the preferred/recommended/configured SL DRX wake-up time (preferred SL DRX onduration time).
  • the preferred/recommended/configured SL DRX configuration such as the preferred/recommended/configured SL DRX cycle (preferred SL DRX cycle), such as the preferred/recommended/configured SL DRX wake-up time (preferred SL DRX onduration time).
  • the method further includes: the first communication device and the second communication device transmitting the configuration of the SL DRX and/or SL eDRX.
  • the first communication device may send the configuration to the second communication device after determining the configuration of SL DRX and/or SL eDRX;
  • the configuration of SL DRX and/or SL eDRX determined by the first communication device may be determined by the first communication device for the second communication device, and may be indicated to the second communication device after determination;
  • the first communication device may receive the configuration of SL DRX and/or SL eDRX sent from the second communication device.
  • the activation time includes at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes the time from receiving the second information to feedback of the side link positioning reference signal measurement information
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time includes the time between scheduling the sending of the first side link positioning reference signal and the sending of the third side link positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the activation time mentioned in the embodiments of this application may be at least one of the following:
  • the fourth time is the time between scheduling the transmission of a side link positioning reference signal (such as SL-PRS1) and the reception of another side link positioning reference signal (such as SL-PRS2).
  • a side link positioning reference signal such as SL-PRS1
  • another side link positioning reference signal such as SL-PRS2
  • the multiple terminals maintain the same cycle of SL DRX and/or SL eDRX and/or the same on duration time.
  • multiple terminals can be configured with the same SL DRX and/or SL eDRX configuration
  • the configuration of SL DRX and/or SL eDRX of multiple terminals can have a common part of SL DRXP;
  • the SL DRX cycle configuration of the transmitter and receiver of the side link positioning reference signal is consistent.
  • multiple terminals may be configured with the same broadcast positioning monitoring occurrence (resource selection window), which is located during the on duration of SL DRX.
  • the fifth information is the same as the sixth information
  • the fifth information includes at least one of the following:
  • the on duration time of the first communication device
  • the sixth information includes at least one of the following:
  • the on duration time of the first communication device
  • the on duration time of the second communication device is the on duration time of the second communication device.
  • the transmission position of the multicast side link positioning reference signal is associated with at least one of the periods of SL DRX and/or SL eDRX, destination L2 ID, or multicast identification.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • FIG 10 is a schematic flowchart 2 of the transmission method of the side link positioning reference signal provided by the embodiment of the present application. As shown in Figure 10, the transmission method of the side link positioning reference signal includes:
  • Step 1000 in the scenario of one or more SL DRX and/or SL eDRX, the second communication device performs transmission of the side link positioning reference signal.
  • side-link discontinuous reception SL DRX and/or side-link extended discontinuous reception SL eDRX can be introduced to help devices that provide SL positioning services. Save power consumption.
  • the relationship between the SL positioning process and the side-link discontinuous reception SL DRX and/or the side-link extended discontinuous reception SL eDRX can also be clarified, so that the positioning service and the energy-saving function can be better matched.
  • each embodiment of the present application is applicable to various positioning methods, such as RTT positioning method, TDOA positioning, AoA positioning, AoD positioning, etc., which are not limited here.
  • the second communication device performs the transmission of the side link positioning reference signal, which may mean: when the first communication device is in one or more SL DRX and/or SL eDRX scenarios, /or In the SL eDRX scenario, the first communication device performs the transmission of the side link positioning reference signal;
  • the second communication device performs the transmission of the side link positioning reference signal, which may mean: when the second communication device is in one or more SL DRX and/or SL eDRX scenarios, /or in the SL eDRX scenario, the first communication device performs side link positioning reference signal transmission;
  • the second communication device performs the transmission of the side link positioning reference signal, which may mean: when both the first communication device and the second communication device are in a Or in the scenario of multiple SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal;
  • the second communication device performs the transmission of the side link positioning reference signal, which may mean: when the first communication device is in one or more SL DRX and/or SL eDRX scenarios, /or In the scenario of SL eDRX and the second communication device is not in the scenario of SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal;
  • the second communication device performs the transmission of the side link positioning reference signal, which may mean: when the second communication device is in one or more SL DRX and/or SL eDRX scenarios, /or In the scenario of SL eDRX and the first communication device is not in the scenario of SL DRX and/or SL eDRX, the first communication device performs the transmission of the side link positioning reference signal;
  • the first communication device performs the transmission of the side link positioning reference signal, which may refer to: when the first communication device is in one or more SL DRX and/or SL eDRX scenarios, In/or SL eDRX scenarios, and the second communication device is in different SL DRX and/or SL eDRX scenarios, the first communication device performs transmission of the side link positioning reference signal.
  • the first communication device and the second communication device are a pair of communication devices.
  • the same SL DRX and/or SL eDRX (or the same on duration time) are maintained.
  • the first communication device maintains a larger on-duration time.
  • the first communication device may perform the transmission of the side link positioning reference signal by scheduling the terminal to transmit the side link positioning reference signal in one or more SL DRX and/or SL eDRX scenarios.
  • the side link positioning reference signal may include SL positioning reference signal (Positioning Reference Signal, PRS), SL reference signal extension (used for positioning), such as SL synchronization signal block (Synchronization Signal and PBCH block, SSB), SL Channel State Information Reference Signal (CSI-RS), SL phase-tracking reference signal (PTRS), SL demodulation reference signal (Demodulation One or more of Reference Signal, DMRS);
  • SL positioning reference signal Positioning Reference Signal
  • PRS Positioning Reference Signal
  • SL reference signal extension used for positioning
  • SL synchronization signal block Synchrom Reference Signal and PBCH block
  • CSI-RS SL Channel State Information Reference Signal
  • PTRS phase-tracking reference signal
  • DMRS Demodulation One or more of Reference Signal
  • the side link positioning reference signal may include a reference signal used for SL positioning, or a signal transmitted in the SL positioning process.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the method also includes:
  • the second communication device determines the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX.
  • the second communication device may first determine the configuration of the one or more SL DRX and/or SL eDRX (which may be one or more SL DRX and/or SL eDRX of the first communication device and/or the second communication device). eDRX configuration), and then in the scenario of one or more SL DRX and/or SL eDRX, the second communication device performs the transmission of the side link positioning reference signal.
  • the second communication device may be a receiving terminal (RX UE), which may refer to determining the configuration of SL DRX and/or SL eDRX of one or more Rx UEs.
  • RX UE receiving terminal
  • the Rx UE may send the determined or tended configuration of one or more SL DRX and/or SL eDRX of the Rx UE to the first communication device, so that the first communication device determines one or more SL DRX and /or configuration of SL eDRX.
  • the second communication device may be the destination ID UE, or may be associated with the destination ID;
  • the destination ID UE may send the determined or preferred SL DRX and/or SL eDRX configurations of one or more Rx UEs to the first communication device, so that the first communication device receives one or more destination IDs.
  • the configuration of the SL DRX and/or SL eDRX, or the configuration of the SL DRX and/or SL eDRX that the UE prefers to receive one or more destination IDs, is used to determine the configuration of one or more SL DRX and/or SL eDRX.
  • the second communication device performs transmission of side link positioning reference signals, including at least one of the following:
  • the second communication device receives or processes the side link positioning reference signal, wherein the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the second communication device sends the side link positioning reference signal, wherein the side link positioning reference signal includes a second side link positioning reference signal SL-PRS 2;
  • the second communication device interacts with the first communication device to exchange the SL DRX and/or SL eDRX update configuration and/or auxiliary data of the side link positioning reference signal;
  • the second communication device exchanges scheduling information of the side link positioning reference signal with the first communication device
  • the second communication device exchanges measurement information of the side link positioning reference signal with the first communication device.
  • the second communication device performs transmission of the side link positioning reference signal, which may include any one or more of the following:
  • the second communication device sends SL-PRS 1; or
  • the second communications device receives or processes SL-PRS 2; or
  • the second communication device interacts with the first communication device the SL DRX and/or SL eDRX update configuration and/or the auxiliary data of the side link positioning reference signal, where the auxiliary data of the side link positioning reference signal may include SL PRS index (index), SL PRS identification (Identifier, ID), SL PRS, SL PRS sequence (sequence), SL RPS sequence index, SL PRS time domain, SL PRS frequency domain resources, and SL PRS time information, etc. one or more items; or
  • the second communication device exchanges scheduling information of the side link positioning reference signal with the first communication device.
  • the second communication device exchanges measurement information of the side link positioning reference signal with the first communication device, where the measurement information may include SL-PRS measurement time difference, such as: RSRP, RSTD, toa, tdoa, T_(Tx- Rx), T_(Tx-Rx), any one or more of SL-PRS measurement angle information, timestamp information, LOS or NLOS indication information, etc.;
  • SL-PRS measurement time difference such as: RSRP, RSTD, toa, tdoa, T_(Tx- Rx), T_(Tx-Rx), any one or more of SL-PRS measurement angle information, timestamp information, LOS or NLOS indication information, etc.
  • SL-PRS 1 and SL-PRS 2 can be the same or different, and there can be mapping relationships in time, frequency domain or sequence, which are not limited here;
  • SL-PRS 1 and SL-PRS 2 may include one or more SL positioning reference signals, or may be multiple transmissions of one SL positioning reference signal, which are not limited here.
  • the second communication device may be a peer device that performs side-link positioning with the first communication device
  • the second communication device may be a peer device that interacts with the first communication device for information exchange for side link positioning.
  • the second communication device includes one or more terminals.
  • the second communication device when it includes multiple terminals, it may correspond to a Double side RTT/multi-RTT scenario.
  • the second communication device when it includes multiple terminals, it may correspond to multiple destination IDs or multiple SL processes.
  • the side link positioning reference signal is a multicast side link positioning reference signal.
  • the transmission position of the multicast side link positioning reference signal (such as multicast SL-PRS) can be related to one or more of the SL DRX cycle, destination L2 ID, and multicast ID;
  • the second communication device may restart the timer of the activation time (eg, sl-drx-InactivityTimer) when receiving a multicast request for the multicast side link positioning reference signal.
  • the timer of the activation time eg, sl-drx-InactivityTimer
  • the timer needs to be maintained, and the first communication device maintains the largest timer.
  • the first communication device and/or the second communication device may restart the timer of the activation time (eg, sl-drx-InactivityTimer) when receiving a multicast request for the multicast side link positioning reference signal.
  • the timer of the activation time eg, sl-drx-InactivityTimer
  • the method also includes:
  • the second communication device determines the transmission resource of the side link positioning reference signal so that the transmission of the side link positioning reference signal is in an activation time.
  • the transmission resources of the side link positioning reference signal are used for the transmission of at least one of the following:
  • the second communication device receives or processes the side link positioning reference signal, wherein the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the second communication device sends the side link positioning reference signal, wherein the side link positioning reference signal includes a second side link positioning reference signal SL-PRS 2;
  • the second communication device interacts with the first communication device to exchange the SL DRX and/or SL eDRX update configuration and/or auxiliary data of the side link positioning reference signal;
  • the second communication device exchanges scheduling information of the side link positioning reference signal with the first communication device
  • the second communication device exchanges measurement information of the side link positioning reference signal with the first communication device.
  • SL DRX and/or SL eDRX it is also necessary to determine how to transmit the side link positioning reference signal to avoid the scenario where the peer is in an inactive time and cannot monitor SL positioning. Better balance location services and power consumption requirements.
  • the transmission of the side link positioning reference signal is in the activation time.
  • the transmission resources of the side link positioning reference signal can be reasonably determined.
  • the second communication device determines the transmission resources of the side link positioning reference signal, including:
  • the second communication device determines the transmission resource of the side link positioning reference signal based on the instruction of the first communication device or based on the instruction of the network side.
  • the transmission resource of the side link positioning reference signal may be determined for the second communication device, and may be indicated to the second communication device after the determination. equipment;
  • the second communication device may determine the transmission resource of the side link positioning reference signal based on the indication of the first communication device.
  • the second communication device may determine the transmission resources of the side link positioning reference signal based on instructions from the network side.
  • the second communication device determines the transmission resources of the side link positioning reference signal, including:
  • the second communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, and the resource selection window is used to determine the Transmission resources for side link positioning reference signals.
  • the second communication device may determine the transmission resources of the side link positioning reference signal based on the configuration of SL DRX and/or SL eDRX, so that the transmission of the side link positioning reference signal is in the activation time.
  • the second communication device can determine the resources of the resource selection window based on the configuration of SL DRX and/or SL eDRX, and then can determine the transmission resources of the side link positioning reference signal in the resource selection window to enable side link positioning.
  • the transmission of the reference signal is at active time.
  • the first communication device and the second communication device may determine the transmission resources of the side link positioning reference signal based on the configuration of SL DRX and/or SL eDRX, so that the transmission of the side link positioning reference signal is in the activation time. .
  • the second communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, including:
  • the second communication device determines that the transmission time and/or resource selection window of the side link positioning reference signal is: the Xth time unit after the starting time of the SL DRX and/or SL eDRX;
  • X satisfies at least one of the following:
  • X is indicated by the network side, or determined by the first communication device, or preconfigured, or predefined by the protocol; or
  • the value of X is associated with at least one of the source address source ID, the destination layer 2 address Destination Layer-2 ID, or the transmission window of the side link positioning reference signal.
  • X is indicated by the network side, or the first communication device indicates it to the second communication device after determination.
  • the unit of X can be the unit of time unit, such as time slot (slot) or millisecond (ms);
  • the value of X is related to one or more of the source ID, Destination Layer-2 ID or the transmission window of the side-link positioning reference signal.
  • the second communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, including:
  • the second communication device determines that the transmission time and/or resource selection window of the side link positioning reference signal is located before the wake-up time on duration of the SL DRX and/or SL eDRX expires.
  • the second communication device may determine that the transmission time of the side link positioning reference signal is before the wake-up time on duration of SL DRX and/or SL eDRX expires;
  • the second communication device may determine that the resource selection window is located before the wake-up time on duration of SL DRX and/or SL eDRX expires.
  • the second communication device may determine that the resource selection window is located before the wake-up time on duration of SL DRX and/or SL eDRX expires, which may be the starting time of the resource selection window on SL DRX and/or SL eDRX. Before the wake-up time on duration expires;
  • the second communication device may determine that the resource selection window is located before the wake-up time of SL DRX and/or SL eDRX expires, which may be the starting time of the resource selection window + Y before the expiration of SL DRX and/or SL eDRX.
  • the wake-up time of SL eDRX is before the expiration of on duration, that is, the time of the resource selection window with at least Y time is before the expiration of on duration, so that the resource selection window is at the activation time for at least Y time.
  • the second communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, including:
  • the second communication device determines that the period of the side link positioning reference signal and/or the resource selection window is: N times the period of the SL DRX and/or SL eDRX, where N is a positive integer.
  • the second communication device may determine that the period of the transmission time of the side link positioning reference signal is N times the period of SL DRX and/or SL eDRX, where N is a positive integer;
  • the second communication device may determine that the period of the resource selection window is N times the period of SL DRX and/or SL eDRX, where N is a positive integer.
  • the method also includes:
  • the second communication device determines a target activation time so that one or more side link positioning procedures are at the target activation time
  • the side link positioning process includes at least one of the following:
  • the second communication device can customize a time period of the activation time, that is, the target activation time.
  • the first communication device can customize a time period of the activation time, that is, the target activation time.
  • the first communication device and the second communication device can jointly customize the time period of the activation time, or one party can indicate it to the other party after determination. , that is, the target activation time.
  • the first communication device and the second communication device have a consistent understanding of the target activation time.
  • the second communication device determines the target activation time, including:
  • the second communication device starts or restarts the first timer after transmitting the second information or transmitting the side link positioning reference signal, or starts or restarts the first timer based on a high-level trigger;
  • the second communication device uses the time after the starting or restarting the first timer and before the expiration of the first timer as the target activation time;
  • the second information includes at least one of the following:
  • the first indication information is used to indicate the request or reception or scheduling of the side link positioning reference signal
  • the second indication information is used to indicate the configuration information or activation information of the side link positioning reference signal
  • the second communication device may start or restart the first timer after transmitting the second information or transmitting the side link positioning reference signal, or Start or restart the first timer based on high-level triggering, and use the time after starting or restarting the first timer and before the expiration of the first timer as the target activation time;
  • the MAC maintains a first timer, and the length of the timer can be specified by the protocol/network/higher layer/first communication device.
  • the MAC maintains a first timer, and the length of the timer can be determined based on the positioning service.
  • the first timer may be sl-drx-InactivityTimer
  • the second information may include one or more of the following:
  • the first indication information is used to indicate the request or reception or scheduling of the side link positioning reference signal.
  • the second indication information is used to indicate the configuration information or activation information of the side link positioning reference signal, which may be in the MAC CE; or
  • the configuration information or activation information of the side link positioning reference signal can be carried in RRC or LPP or higher layers.
  • the method further includes:
  • the second communication device Before the first timer expires, the second communication device transmits third information and/or performs transmission of a side link positioning reference signal;
  • the third information includes at least one of the following:
  • Hybrid automatic retransmission information indicates that the side link positioning process or the transmission of the side link positioning reference signal has been completed
  • the third indication information is used to respond to the second information, or to indicate that the side link positioning process or the side link positioning reference signal has been measured;
  • the second communication device may perform transmission of the side link positioning reference signal
  • the second communication device may monitor the third information
  • the third information may include one or more of the following:
  • Hybrid automatic retransmission information wherein the hybrid automatic retransmission information indicates that the side link positioning process or the transmission of the side link positioning reference signal has been completed, such as knowledge SL positioning information has been received;
  • the third indication information is used to respond to the second information, or to indicate that the side link positioning process or the side link positioning reference signal has been measured, for example, it can indicate that SL-PRS3 has completed transmission;
  • the side link control information SCI can be some specific SCI, such as the SCI used for scheduling, reporting, or feedback.
  • SCI used for scheduling the side link positioning reference signal can also be SCI used to indicate positioning.
  • it can also be SCI scrambled with positioning-specific RNTI.
  • the method further includes:
  • the second communications device stops the first timer or determines that the first timer has expired.
  • the second communication device may stop the first timer on its own or determine that the first timer has expired;
  • the second communication device may stop the first timer or determine that the first timer expires based on a preset trigger condition
  • the second communication device may stop the first timer or determine that the first timer expires based on indication information from the other device.
  • the second communication device stops the first timer or determines that the first timer expires, including:
  • the second communication device receives seventh information
  • the second communication device stops the first timer or determines that the first timer expires based on the seventh information
  • the seventh information includes at least one of the following:
  • the second communication device may stop the first timer or determine that the first timer expires after receiving the seventh information
  • the seventh information may include one or more of the following:
  • SL DRX and/or SL eDRX control indication commands such as Sidelink DRX Command indication
  • Sidelink positioning control indication command such as Sidelink positioning Command indication
  • Control unit MAC CE information of the first media access control wherein the first MAC CE information includes a bit used to indicate the first timer;
  • the method further includes determining a new activation time, where the activation time includes: One item missing:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes the time from receiving the second information to feedback of the side link positioning reference signal measurement information
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time includes the time between scheduling the sending of the first side link positioning reference signal and the sending of the third side link positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the activation time only includes:
  • the activation time includes:
  • the activation time includes the above (i)-(v) and/or new activation time.
  • Live time can include at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes the time from receiving the second information to feedback of the side link positioning reference signal measurement information
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time including the time between scheduling the transmission of the first sidelink positioning reference signal and the transmission of the third sidelink positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the solution maintains two activation times, one for non-positioning services, one for positioning services, or one for positioning exclusive resource pools.
  • the method also includes:
  • the second communication device determines to perform the transmission of the side link positioning reference signal during the inactive time based on the fifth indication information
  • the fifth indication information is used to indicate that the second communication device has the ability to perform transmission of the side link positioning reference signal during the inactive time.
  • the second communication device may also perform the transmission of the side-link positioning reference signal during the inactive time when enabled by the fifth indication information to perform the transmission of the side-link positioning reference signal during the inactive time. transmission.
  • the fifth indication information can be understood as enabling indication information of a non-active time behavior
  • the fifth indication information may be partialSensingInactiveTime
  • the second communication device when receiving the fifth indication information, can stop DRX, end the on-duration and inactive timer, and can determine the inactive time to perform transmission of the side link positioning reference signal.
  • performing the transmission of the side link positioning reference signal during the non-activation time includes at least one of the following:
  • the second communication device only measures/transmits aperiodic side link positioning reference signals
  • the second communication device does not measure/transmit the periodic side link positioning reference signal or the semi-persistent side link positioning reference signal
  • the second communication device measures/transmits aperiodic side link positioning reference signals or semi-persistent side link positioning reference signals
  • the second communication device does not measure/transmit periodic side link positioning reference signals
  • the second communication device does not measure/transmit aperiodic side link positioning reference signals, semi-persistent side link positioning reference signals, and periodic side link positioning reference signals;
  • the second communication device only measures/transmits at least one of a semi-persistent side link positioning reference signal or a periodic side link positioning reference signal;
  • the second communication device receives a side link control channel
  • the second communication device transmits side link positioning reference signal measurement information.
  • the second communication device may only measure/transmit aperiodic SL-PRS and not measure/transmit periodic SL-PRS or semi-persistent SL-PRS.
  • the second communication device may measure/transmit aperiodic SL-PRS or semi-persistent SL-PRS, but not measure/transmit periodic SL-PRS.
  • the second communication device may not measure/transmit aperiodic SL-PRS, semi-persistent SL-PRS, and periodic SL-PRS.
  • the second communication device may only measure/transmit one or more of semi-persistent SL-PRS or periodic SL-PRS.
  • the second communication device may transmit PSCCH and transmit SL-PRS measurement information.
  • the second communication device can continuously monitor (monitor) M time units at most, such as M slots.
  • the multiple SL-PRS transmission or scheduling, or the measurement information of the SL-PRS is reflected Feedback should be transmitted within M time units.
  • the method also includes:
  • the second communication device determines to perform the transmission of the side link positioning reference signal at the activation time based on the priority information for performing the transmission of the side link positioning reference signal, and/or determines to perform the transmission of the side link positioning reference signal at the inactive time. Transmission of link positioning reference signals.
  • the second communication device determines to perform the transmission of the side-link positioning reference signal at the activation time based on priority information for performing the transmission of the side-link positioning reference signal, and/or determines to perform the transmission of the side-link positioning reference signal at the inactive time.
  • Performing the transmission of the side link positioning reference signal includes at least one of the following:
  • the second communication device determines that the priority information is higher than a priority threshold, the second communication device determines to perform transmission of the side link positioning reference signal during the inactive time;
  • the second communication device determines that the priority information is higher than a priority threshold, the second communication device determines to perform transmission of the side link positioning reference signal at the activation time;
  • the second communication device determines that the priority information is lower than a priority threshold, the second communication device determines to perform transmission of the side link positioning reference signal during the inactive time; or
  • the second communication device determines that the priority information is lower than a priority threshold, the second communication device determines to perform transmission of the side link positioning reference signal at the activation time.
  • the second communication device may determine at least one of the following based on priority information for performing transmission of the side link positioning reference signal before the activation time ends:
  • the first communication device can perform measurement of the side link positioning reference signal (such as SL-PRS) or transmission.
  • the side link positioning reference signal such as SL-PRS
  • the method further includes: the second communication device and the first communication device transmitting the determined transmission resources and/or resources of the resource selection window of the side link positioning reference signal.
  • the first communication device may send the transmission resources of the side link positioning reference signal determined by the first communication device to the second communication device;
  • the first communication device may send the resources of the resource selection window determined by the first communication device to the second communication device;
  • the transmission resources of the side link positioning reference signal determined by the first communication device may be determined for the second communication device, and then may be indicated to the second communication device after determination;
  • the resources in the resource selection window determined by the first communication device may be determined for the second communication device, and then may be indicated to the second communication device after determination;
  • the second communication device may send the transmission resource of the side link positioning reference signal determined by the second communication device to the first communication device;
  • the second communication device may send the resources of the resource selection window determined by the second communication device to the first communication device.
  • the method also includes:
  • the second communication device transmits at least one of the following during the activation time:
  • At least one of the following can be transmitted:
  • the resource selection window is applicable to at least one of the following:
  • the resource selection window in each embodiment of the present application may be applicable to any scenario of unicast, multicast, or broadcast, or may be applicable to any scenario of unicast, multicast, or broadcast.
  • indication information used to indicate the cast type applicable to each resource selection window (such as one or more ⁇ unicast, multicast, broadcast ⁇ ;
  • indication information used to indicate the cast type applicable to the resource selection window (such as one or more ⁇ unicast, multicast, broadcast ⁇ .
  • the second communication device determines the configuration of one or more SL DRX and/or SL eDRX, including:
  • the second communication device determines the configuration of one SL DRX and/or SL eDRX from multiple SL DRX and/or SL eDRX based on expectations, or self-determination, or based on pre-configuration; or
  • the second communication device determines the configuration of SL DRX and/or SL eDRX based on the instruction of the first communication device or the instruction of the network side.
  • the second communication device can determine the preferred/recommended/configured SL DRX according to the SL-PRS configuration (dedicated resource pool, or location service request); for example, the preferred/recommended/configured SL DRX configuration ( preferred SL DRX configuration), such as the preferred/recommended/configured SL DRX cycle (preferred SL DRX cycle), such as the preferred/recommended/configured SL DRX wake-up time (preferred SL DRX onduration time).
  • the preferred/recommended/configured SL DRX configuration such as the preferred/recommended/configured SL DRX cycle (preferred SL DRX cycle), such as the preferred/recommended/configured SL DRX wake-up time (preferred SL DRX onduration time).
  • the method further includes: the second communication device and the first communication device transmitting the configuration of the SL DRX and/or SL eDRX.
  • the first communication device may send the configuration to the second communication device after determining the configuration of SL DRX and/or SL eDRX;
  • the configuration of SL DRX and/or SL eDRX determined by the first communication device may be determined by the first communication device for the second communication device, and may be indicated to the second communication device after determination;
  • the second communication device may send the configuration to the first communication device after determining the configuration of SL DRX and/or SL eDRX.
  • the activation time includes at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes the time from receiving the second information to feedback of the side link positioning reference signal measurement information
  • the second time includes the time from scheduling or transmitting the side link positioning reference signal to The time between side link positioning reference signal measurement information feedback;
  • a third time, the third time including the time between scheduling the transmission of the first sidelink positioning reference signal and the transmission of the third sidelink positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the activation time mentioned in the embodiments of this application may be at least one of the following:
  • the fourth time is the time between scheduling the transmission of a side link positioning reference signal (such as SL-PRS1) and the reception of another side link positioning reference signal (such as SL-PRS2).
  • a side link positioning reference signal such as SL-PRS1
  • another side link positioning reference signal such as SL-PRS2
  • the multiple terminals maintain the same cycle of SL DRX and/or SL eDRX and/or the same on duration time.
  • multiple terminals can be configured with the same SL DRX and/or SL eDRX configuration
  • the configuration of SL DRX and/or SL eDRX of multiple terminals can have a common part of SL DRXP;
  • the SL DRX cycle configuration of the transmitter and receiver of the side link positioning reference signal is consistent.
  • multiple terminals may be configured with the same broadcast positioning monitoring occurrence (resource selection window), which is located during the on duration of SL DRX.
  • the first communication device includes a base station
  • the fifth information and the sixth information same;
  • the fifth information includes at least one of the following:
  • the on duration time of the first communication device
  • the sixth information includes at least one of the following:
  • the on duration time of the first communication device
  • the on duration time of the second communication device is the on duration time of the second communication device.
  • the transmission position of the multicast side link positioning reference signal is associated with at least one of the periods of SL DRX and/or SL eDRX, destination L2 ID, or multicast identification.
  • the transmission position of the multicast side link positioning reference signal is associated with at least one of the periods of SL DRX and/or SL eDRX, destination L2 ID, or multicast identification.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the execution subject of the side-link positioning reference signal transmission method provided by the embodiments of the present application may be a transmission device for the side-link positioning reference signal.
  • a side-link positioning reference signal transmission device performing a side-link positioning reference signal transmission method is used as an example to illustrate the side-link positioning reference signal transmission device provided by the embodiment of the present application.
  • Figure 11 is one of the structural schematic diagrams of a side link positioning reference signal transmission device provided by an embodiment of the present application. As shown in Figure 11, the device 1100 includes:
  • the first determining module 1110 is used to determine the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX;
  • the first execution module 1120 is used in the scenario of one or more SL DRX and/or SL eDRX, Performs transmission of side-link positioning reference signals.
  • the side-link positioning reference signal transmission device provided by the embodiments of the present application can implement each process implemented by the above method embodiments and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the first execution module is used for at least one of the following:
  • the first communication device sends the side link positioning reference signal, wherein the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the first communication device receives or processes the side link positioning reference signal, wherein the side link positioning reference signal includes a second side link positioning reference signal SL-PRS 2;
  • the first communication device and the second communication device interact with the SL DRX and/or SL eDRX update configuration
  • the first communication device and the second communication device exchange auxiliary data of the side link positioning reference signal
  • the first communication device and the second communication device exchange scheduling information of the side link positioning reference signal;
  • the first communication device and the second communication device exchange measurement information of the side link positioning reference signal
  • the second communication device is a peer device that performs side link positioning or information exchange with the first communication device for side link positioning.
  • the second communication device includes one or more terminals.
  • the side link positioning reference signal is a multicast side link positioning reference signal.
  • the device also includes:
  • the second determination module is used to determine the transmission resources of the side link positioning reference signal so that the transmission of the side link positioning reference signal is in the activation time.
  • the second determination module is used to:
  • the first communication device determines the transmission resource of the side link positioning reference signal based on the first information
  • the first information includes at least one of the following:
  • the DRX configuration information is the discontinuous transmission configuration information of the uu port
  • the SL DRX and/or SL eDRX configuration information is used for the configuration of the SL DRX and/or SL eDRX.
  • the second determination module is used to:
  • the first communication device determines the transmission resource of the side link positioning reference signal in the resource selection window.
  • the second determination module is used to:
  • the resource selection window is determined according to the first information, so that the resource selection window satisfies at least one of the following:
  • the resource selection window is located at the activation time of the SL DRX and/or SL eDRX;
  • the resource selection window is located at the activation time of the first communication device
  • the resource selection window is located at the expected activation time of the first communication device
  • the resource selection window is located at the activation time of the second communication device
  • the resource selection window is located at the expected activation time of the second communication device.
  • X percent of the resource selection window is located at the activation time of the SL DRX and/or SL eDRX.
  • only some resources may be in the activation time.
  • the resource selection window is a time excluding inactive time in the side link resource pool. unit collection; or;
  • the resource selection window is a side link resource pool determined according to the first information, wherein the side link resource pool does not include a time unit of inactive time.
  • the resource selection window is applicable to at least one of the following:
  • the second determination module is used for at least one of the following:
  • the transmission resource of the side link positioning reference signal is determined to be the expected activation time of the second communication device.
  • the second determination module is used to:
  • the resource selection window is used to determine the side link positioning reference signal transmission resources.
  • the device also includes:
  • a first transmission module configured to transmit the determined transmission resources and/or resources of the resource selection window of the side link positioning reference signal with the second communication device.
  • the second determination module is used to:
  • Determine the transmission time and/or resource selection window of the side link positioning reference signal to be: the Xth time unit after the starting time of the SL DRX and/or SL eDRX;
  • X satisfies at least one of the following:
  • X is indicated by the network side, or determined by the first communication device, or preconfigured, or predefined by the protocol; or
  • the value of X is associated with at least one of the source address source ID, the destination layer 2 address Destination Layer-2 ID, or the transmission window of the side link positioning reference signal.
  • the second determination module is used to:
  • the transmission time and/or resource selection window of the side link positioning reference signal is located before the wake-up time on duration of the SL DRX and/or SL eDRX expires.
  • the second determination module is used to:
  • the period of the side link positioning reference signal and/or the resource selection window is: N times the period of the SL DRX and/or SL eDRX, where N is a positive integer.
  • the device also includes:
  • the third determination module is used to determine the target activation time so that one or more side link positioning processes are at the target activation time;
  • the side link positioning process includes at least one of the following:
  • the third determination module is used to:
  • the time after starting or restarting the first timer and before expiration of the first timer will be used as the target activation time
  • the second information includes at least one of the following:
  • the first indication information is used to indicate the request or reception or scheduling of the side link positioning reference signal
  • the second indication information is used to indicate the configuration information or activation information of the side link positioning reference signal.
  • the device also includes:
  • a first monitoring module configured to monitor the third information and/or perform the transmission of the side link positioning reference signal after the first timer is started or restarted and before the first timer expires;
  • the third information includes at least one of the following:
  • Hybrid automatic repeat information wherein the hybrid automatic repeat information indicates that the side link positioning process or the transmission of the side link positioning reference signal has been completed
  • the third indication information is used to respond to the second information, or to indicate that the side link positioning process or the side link positioning reference signal has been measured; or
  • the device also includes:
  • a first stopping module configured to stop the first timer or determine that the first timer expires after starting or restarting the first timer.
  • the first stop module is used for:
  • the fourth information includes at least one of the following:
  • Control element MAC CE information of the first media access control wherein the first MAC CE information includes a bit used to indicate the first timer;
  • the device also includes:
  • a fourth determination module configured to determine to execute the transmission of the side link positioning reference signal during the inactive time based on the fourth indication information
  • the fourth indication information is used to indicate that the first communication device has the ability to perform transmission of the side link positioning reference signal during the inactive time.
  • the fourth determination module is used for at least one of the following:
  • the periodic side link positioning reference signal is not measured/transmitted
  • the device also includes:
  • the fifth determination module is configured to determine to execute the transmission of the side-link positioning reference signal at the activation time based on the priority information of executing the transmission of the side-link positioning reference signal, and/or determine to execute the transmission of the side-link positioning reference signal at the non-activation time. Transmission of side link positioning reference signals.
  • the fifth determination module is used for at least one of the following:
  • the first communication device determines that the priority information is higher than a priority threshold, determine to perform the transmission of the side link positioning reference signal during the inactive time;
  • the first communication device determines that the priority information is higher than a priority threshold, determine to perform transmission of the side link positioning reference signal at the activation time;
  • the first communication device determines that the priority information is lower than a priority threshold, it is determined that Determining to perform the transmission of the side link positioning reference signal during an inactive time;
  • the first communication device determines that the priority information is lower than a priority threshold, it is determined to perform transmission of the side link positioning reference signal at the activation time.
  • the device also includes:
  • the second transmission module is used to transmit at least one of the following during the activation time:
  • the first determination module is used for:
  • the device also includes:
  • the third transmission module is used to transmit the configuration of the SL DRX and/or SL eDRX with the second communication device.
  • the activation time includes at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes the time from receiving the second information to feedback of the side link positioning reference signal measurement information
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time including the time between scheduling the transmission of the first sidelink positioning reference signal and the transmission of the third sidelink positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first sidelink positioning reference signal to the reception of the second sidelink positioning reference signal.
  • the multiple terminals maintain the same cycle of SL DRX and/or SL eDRX and/or the same on duration time.
  • the fifth information is the same as the sixth information
  • the fifth information includes at least one of the following:
  • the on duration time of the first communication device
  • the sixth information includes at least one of the following:
  • the on duration time of the first communication device
  • the on duration time of the second communication device is the on duration time of the second communication device.
  • the transmission position of the multicast side link positioning reference signal is associated with at least one of the periods of SL DRX and/or SL eDRX, destination L2 ID, or multicast identification.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the side-link positioning reference signal transmission device in the embodiment of the present application may be an electronic device, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a terminal or other devices other than the terminal.
  • the electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted electronic device, a mobile Internet device (MID), or augmented reality (AR)/virtual reality (VR).
  • MID mobile Internet device
  • AR augmented reality
  • VR virtual reality
  • the device for transmitting the side link positioning reference signal in the embodiment of the present application may be a device with an operating system.
  • the operating system can be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of this application.
  • the side-link positioning reference signal transmission device provided by the embodiment of the present application can implement each process implemented by the method embodiments of Figures 7 to 9 and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • Figure 12 is a second structural schematic diagram of a side link positioning reference signal transmission device provided by an embodiment of the present application. As shown in Figure 12, the device 1200 includes:
  • the second execution module 1210 is configured to perform transmission of side link positioning reference signals in the scenario of one or more SL DRX and/or SL eDRX.
  • the side-link positioning reference signal transmission device provided by the embodiments of the present application can implement each process implemented by the above method embodiments and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the device also includes:
  • the sixth determination module is used to determine the configuration of one or more side link discontinuous reception SL DRX and/or side link extended discontinuous reception SL eDRX.
  • the second execution module is used for at least one of the following:
  • the second communication device receives or processes the side link positioning reference signal, wherein the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the second communication device sends the side link positioning reference signal, wherein the side link positioning reference signal
  • the bit reference signal includes the second side link positioning reference signal SL-PRS 2;
  • the second communication device interacts with the first communication device to exchange the SL DRX and/or SL eDRX update configuration and/or auxiliary data of the side link positioning reference signal;
  • the second communication device exchanges scheduling information of the side link positioning reference signal with the first communication device.
  • the second communication device exchanges measurement information of the side link positioning reference signal with the first communication device.
  • the second communication device includes one or more terminals.
  • the side link positioning reference signal is a multicast side link positioning reference signal.
  • the device also includes:
  • the seventh determination module is used to determine the transmission resources of the side link positioning reference signal so that the transmission of the side link positioning reference signal is in the activation time.
  • the seventh determination module is used for:
  • the transmission resource of the side link positioning reference signal is determined based on an instruction from the first communication device or an instruction from the network side.
  • the seventh determination module is used for:
  • the second communication device determines the transmission resources and/or resources of the resource selection window of the side link positioning reference signal based on the configuration of the SL DRX and/or SL eDRX, and the resource selection window is used to determine the Transmission resources for side link positioning reference signals.
  • the device also includes:
  • the fourth transmission module is configured to transmit the determined transmission resources and/or resources of the resource selection window of the side link positioning reference signal with the first communication device.
  • the seventh determination module is used for:
  • Determine the transmission time and/or resource selection window of the side link positioning reference signal to be: the Xth time unit after the starting time of the SL DRX and/or SL eDRX;
  • X satisfies at least one of the following:
  • X is indicated by the network side, or determined by the first communication device, or preconfigured, or predefined by the protocol; or
  • the value of X is associated with at least one of the source address source ID, the destination layer 2 address Destination Layer-2 ID, or the transmission window of the side link positioning reference signal.
  • the seventh determination module is used for:
  • the second communication device determines that the transmission time and/or resource selection window of the side link positioning reference signal is located before the wake-up time on duration of the SL DRX and/or SL eDRX expires.
  • the seventh determination module is used for:
  • the second communication device determines that the period of the side link positioning reference signal and/or the resource selection window is: N times the period of the SL DRX and/or SL eDRX, where N is a positive integer.
  • the device also includes:
  • the eighth determination module is used to determine the target activation time so that one or more side link positioning processes are at the target activation time;
  • the side link positioning process includes at least one of the following:
  • the eighth determination module is used for:
  • the second information includes at least one of the following:
  • the first indication information is used to indicate the request or reception or scheduling of the side link positioning reference signal
  • the second indication information is used to indicate the configuration information or activation information of the side link positioning reference signal.
  • the device further includes:
  • a fifth transmission module configured to transmit third information and/or perform transmission of side link positioning reference signals before the expiration of the first timer
  • the third information includes at least one of the following:
  • Hybrid automatic retransmission information indicates that the side link positioning process or the transmission of the side link positioning reference signal has been completed
  • the third indication information is used to respond to the second information, or to indicate that the side link positioning process or the side link positioning reference signal has been measured; or
  • the device further includes:
  • the second stopping module is used to stop the first timer or determine the expiration of the first timer.
  • a second stop module is used for:
  • the seventh information includes at least one of the following:
  • Control unit MAC CE information of the first media access control wherein the first MAC CE information includes a bit used to indicate the first timer;
  • the device also includes:
  • a ninth determination module configured to determine to execute the transmission of the side link positioning reference signal during the inactive time based on the fifth indication information
  • the fifth indication information is used to indicate that the second communication device has the ability to perform transmission of the side link positioning reference signal during the inactive time.
  • the ninth determination module is used for at least one of the following:
  • the periodic side link positioning reference signal is not measured/transmitted
  • the device also includes:
  • a tenth determination module configured to determine to perform the transmission of the side-link positioning reference signal at the activation time based on the priority information of the transmission of the side-link positioning reference signal, and/or determine to perform the transmission of the side-link positioning reference signal at the non-activation time. Transmission of side link positioning reference signals.
  • the tenth determination module is used for at least one of the following:
  • the second communication device determines that the priority information is higher than a priority threshold, determine to perform the transmission of the side link positioning reference signal during the inactive time;
  • the second communication device determines that the priority information is higher than a priority threshold, it is determined that The transmission of the side link positioning reference signal is scheduled to be performed at the activation time;
  • the second communication device determines that the priority information is lower than a priority threshold, determine to perform the transmission of the side link positioning reference signal during the inactive time;
  • the second communication device determines that the priority information is lower than a priority threshold, it is determined to perform transmission of the side link positioning reference signal at the activation time.
  • the device also includes:
  • the sixth transmission module is used to transmit at least one of the following during the activation time:
  • the sixth determination module is used to:
  • the configuration of SL DRX and/or SL eDRX is determined.
  • the device also includes:
  • the seventh transmission module is used to transmit the configuration of the SL DRX and/or SL eDRX with the first communication device.
  • the activation time includes at least one of the following:
  • the time for periodic side link positioning reference signal transmission or the time for feedback or reporting of periodic side link positioning reference signal measurement information;
  • the first time includes the time from receiving the second information to feedback of the side link positioning reference signal measurement information
  • a second time, the second time includes the time between scheduling or sending side link positioning reference signal transmission and side link positioning reference signal measurement information feedback;
  • a third time, the third time including the time between scheduling the transmission of the first sidelink positioning reference signal and the transmission of the third sidelink positioning reference signal;
  • the fourth time includes the time from scheduling the transmission of the first side link positioning reference signal to the reception of the second side link positioning reference signal.
  • the multiple terminals maintain the same cycle of SL DRX and/or SL eDRX and/or the same on duration time.
  • the fifth information is the same as the sixth information
  • the fifth information includes at least one of the following:
  • the on duration time of the first communication device
  • the sixth information includes at least one of the following:
  • the on duration time of the first communication device
  • the on duration time of the second communication device is the on duration time of the second communication device.
  • the transmission position of the multicast side link positioning reference signal is associated with at least one of the periods of SL DRX and/or SL eDRX, destination L2 ID, or multicast identification.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the side-link positioning reference signal transmission device in the embodiment of the present application may be an electronic device, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a terminal or other devices other than the terminal.
  • the electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted electronic device, or a mobile Internet device.
  • Device (MID), augmented reality (AR)/virtual reality (VR) device, robot, wearable device, ultra-mobile personal computer (UMPC), netbook or personal digital assistant ( Personal digital assistant (PDA), etc. can also be a server, Network Attached Storage (NAS), personal computer (PC), television (television, TV), teller machine or self-service machine, etc.
  • NAS Network Attached Storage
  • PC personal computer
  • TV television
  • teller machine or self-service machine etc.
  • the device for transmitting the side link positioning reference signal in the embodiment of the present application may be a device with an operating system.
  • the operating system can be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of this application.
  • the side-link positioning reference signal transmission device provided by the embodiment of the present application can implement each process implemented by the method embodiments of Figures 8 to 10, and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • Figure 13 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • an embodiment of the present application also provides a communication device 1300, which includes a processor 1301 and a memory 1302.
  • the memory 1302 stores A program or instruction that can be run on the processor 1301.
  • the communication device 1300 is a first communication device
  • the program or instruction is executed by the processor 1301, the side link positioning reference corresponding to the first communication device is implemented.
  • Each step of the signal transmission method embodiment can achieve the same technical effect.
  • the communication device 1300 is a second communication device
  • the program or instruction is executed by the processor 1301
  • the steps of the above-mentioned side link positioning reference signal transmission method embodiment corresponding to the second communication device are implemented, and the same technology can be achieved. The effect will not be described here to avoid repetition.
  • An embodiment of the present application also provides a first communication device, including a processor and a communication interface.
  • the processor is configured to:
  • FIG. 14 is a schematic diagram of the hardware structure of a first communication device that implements an embodiment of the present application.
  • the terminal 1400 includes but is not limited to: a radio frequency unit 1401, a network module 1402, an audio output unit 1403, an input unit 1404, a sensor 1405, a display unit 1406, a user input unit 1407, an interface unit 1408, a memory 1409, a processor 1410, etc. At least some parts.
  • the terminal 1400 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply may be logically connected to the processor 1410 through a power management system, thereby managing charging, discharging, and function through the power management system. Consumption management and other functions.
  • the terminal structure shown in FIG. 14 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.
  • the input unit 1404 may include a graphics processing unit (Graphics Processing Unit, GPU) 14041 and a microphone 14042.
  • the graphics processor 14041 is used in the video capture mode or the image capture mode.
  • the image data of still pictures or videos obtained by an image capture device is processed.
  • the display unit 1406 may include a display panel 14061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like.
  • the user input unit 1407 includes a touch panel 14071 and at least one of other input devices 14072. Touch panel 14 071, also known as touch screen.
  • the touch panel 14071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 14072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
  • the radio frequency unit 1401 after receiving downlink data from the network side device, the radio frequency unit 1401 can transmit it to the processor 1410 for processing; in addition, the radio frequency unit 1401 can send uplink data to the network side device.
  • the radio frequency unit 1401 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
  • Memory 1409 may be used to store software programs or instructions as well as various data.
  • Memory 1409 can It mainly includes a first storage area for storing programs or instructions and a second storage area for storing data.
  • the first storage area can store an operating system, an application program or instructions required for at least one function (such as a sound playback function, an image playback function). etc.
  • memory 1409 may include volatile memory or nonvolatile memory, or memory 1409 may include both volatile and nonvolatile memory.
  • the non-volatile memory can 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.
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • 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, DDRSDRAM
  • Enhanced SDRAM, ESDRAM synchronous link dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus random access memory
  • the processor 1410 may include one or more processing units; optionally, the processor 1410 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1410.
  • processor 1410 is used for:
  • the transmission of side link positioning reference signals is performed.
  • the side-link positioning reference signal transmission device provided by the embodiments of the present application can implement each process implemented by the above method embodiments and achieve the same technical effect. To avoid duplication, it will not be repeated here. Repeat.
  • SL positioning is achieved by performing the transmission of side-link positioning reference signals in one or more SL DRX and/or SL eDRX scenarios, avoiding continuous monitoring of positioning-related information, and saving power. Consumption.
  • the processor 1410 is used for at least one of the following:
  • the side link positioning reference signal includes a first side link positioning reference signal SL-PRS 1;
  • the side link positioning reference signal includes a second side link positioning reference signal SL-PRS 2;
  • the second communication device is a peer device that performs side link positioning or information exchange with the first communication device for side link positioning.
  • the second communication device includes one or more terminals.
  • the side link positioning reference signal is a multicast side link positioning reference signal.
  • processor 1410 is used to:
  • the transmission resource of the side link positioning reference signal is determined so that the transmission of the side link positioning reference signal is in an activation time.
  • processor 1410 is used to:
  • the first information includes at least one of the following:
  • the DRX configuration information is the discontinuous transmission configuration information of the uu port
  • the SL DRX and/or SL eDRX configuration information is used for the configuration of the SL DRX and/or SL eDRX.
  • processor 1410 is used to:
  • the transmission resources of the side link positioning reference signal are determined.
  • processor 1410 is used to:
  • the resource selection window is determined according to the first information, so that the resource selection window satisfies at least one of the following:
  • the resource selection window is located at the activation time of the SL DRX and/or SL eDRX;
  • the resource selection window is located at the activation time of the first communication device
  • the resource selection window is located at the expected activation time of the first communication device
  • the resource selection window is located at the activation time of the second communication device
  • the resource selection window is located at the expected activation time of the second communication device.
  • X percent of the resource selection window is located at the activation time of the SL DRX and/or SL eDRX.
  • the resource selection window is a set of time units excluding inactive time in the side link resource pool; or;
  • the resource selection window is a side link resource pool determined according to the first information, wherein the side link resource pool does not include a time unit of inactive time.
  • the resource selection window is applicable to at least one of the following:
  • the second determination module is used for at least one of the following:
  • the transmission resource of the side link positioning reference signal is determined to be the expected activation time of the second communication device.
  • processor 1410 is used to:
  • the resource selection window is used to determine the side link positioning reference signal transmission resources.
  • processor 1410 is used to:
  • processor 1410 is used to:
  • Determine the transmission time and/or resource selection window of the side link positioning reference signal to be: the Xth time unit after the starting time of the SL DRX and/or SL eDRX;
  • X satisfies at least one of the following:
  • X is indicated by the network side, or determined by the first communication device, or preconfigured, or predefined by the protocol; or
  • the value of X is associated with at least one of the source address source ID, the destination layer 2 address Destination Layer-2 ID, or the transmission window of the side link positioning reference signal.
  • processor 1410 is used to:
  • the transmission time and/or resource selection window of the side link positioning reference signal is located before the wake-up time on duration of the SL DRX and/or SL eDRX expires.
  • processor 1410 is used to:

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

La présente demande appartient au domaine technique des communications. Sont divulgués un procédé et un appareil de transmission d'un signal de référence de positionnement de liaison latérale. Le procédé de transmission d'un signal de référence de positionnement de liaison latérale dans les modes de réalisation de la présente demande comprend : la détermination, par un premier dispositif de communication, de la configuration d'une ou de plusieurs réceptions discontinues de liaison latérale (DRX SL) et/ou de réceptions discontinues étendues de liaison latérale (eDRX SL) ; et dans un scénario desdits un ou plusieurs DRX SL et/ou eDRX SL, la transmission, par le premier dispositif de communication, d'un signal de référence de positionnement de liaison latérale.
PCT/CN2023/104854 2022-07-01 2023-06-30 Procédé et appareil de transmission de signal de référence de positionnement de liaison latérale WO2024002350A1 (fr)

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Application Number Priority Date Filing Date Title
CN202210775542.0 2022-07-01
CN202210775542.0A CN117377136A (zh) 2022-07-01 2022-07-01 旁链路定位参考信号的传输方法及装置

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WO2024002350A1 true WO2024002350A1 (fr) 2024-01-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021133104A1 (fr) * 2019-12-26 2021-07-01 엘지전자 주식회사 Procédé d'émission de prs préconfiguré pour positionnement de liaison latérale, et appareil associé
CN113225842A (zh) * 2020-01-21 2021-08-06 华硕电脑股份有限公司 无线通信系统中配置侧链路不连续接收的方法和设备
US20210385766A1 (en) * 2020-06-04 2021-12-09 Qualcomm Incorporated Timing accuracy for reference signal transmission during user equipment (ue) power saving state
CN114071699A (zh) * 2020-08-05 2022-02-18 维沃移动通信有限公司 定位方法、装置及相关设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021133104A1 (fr) * 2019-12-26 2021-07-01 엘지전자 주식회사 Procédé d'émission de prs préconfiguré pour positionnement de liaison latérale, et appareil associé
CN113225842A (zh) * 2020-01-21 2021-08-06 华硕电脑股份有限公司 无线通信系统中配置侧链路不连续接收的方法和设备
US20210385766A1 (en) * 2020-06-04 2021-12-09 Qualcomm Incorporated Timing accuracy for reference signal transmission during user equipment (ue) power saving state
CN114071699A (zh) * 2020-08-05 2022-02-18 维沃移动通信有限公司 定位方法、装置及相关设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
OPPO: "Remaining Issues on UL Positioning Reference Signal", 3GPP TSG RAN WG1 #100 R1-2000463, 14 February 2020 (2020-02-14), XP051852873 *

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