WO2022117084A1 - 副链路sl上的定位方法、装置及终端 - Google Patents

副链路sl上的定位方法、装置及终端 Download PDF

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Publication number
WO2022117084A1
WO2022117084A1 PCT/CN2021/135471 CN2021135471W WO2022117084A1 WO 2022117084 A1 WO2022117084 A1 WO 2022117084A1 CN 2021135471 W CN2021135471 W CN 2021135471W WO 2022117084 A1 WO2022117084 A1 WO 2022117084A1
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Prior art keywords
reference signal
information
target
symbol
frequency domain
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PCT/CN2021/135471
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English (en)
French (fr)
Inventor
王园园
彭淑燕
司晔
邬华明
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维沃移动通信有限公司
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Priority to EP21900108.8A priority Critical patent/EP4258700A4/en
Publication of WO2022117084A1 publication Critical patent/WO2022117084A1/zh
Priority to US18/205,110 priority patent/US20230328716A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0072—Transmission between mobile stations, e.g. anti-collision systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • 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
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • 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
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/01—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations specially adapted for specific applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present application belongs to the technical field of wireless communication, and specifically relates to a positioning method, device and terminal on a secondary link SL.
  • Communication systems such as the 5th Generation New Radio (5G NR) system and the Long Term Evolution (LTE) system can all support Sidelink (SL) transmission, that is, User Equipment (User Equipment) Equipment, UE, that is, a terminal) can directly perform data transmission on the physical layer without going through a network device.
  • 5G NR 5th Generation New Radio
  • LTE Long Term Evolution
  • SL Sidelink
  • UE User Equipment
  • UE User Equipment
  • V2X Vehicle to Everything
  • IIoT Industrial Internet of Things
  • the embodiments of the present application provide a positioning method, device and terminal on the secondary link SL, which can solve the problem that the related SL technology cannot adapt to the V2X service.
  • a first aspect provides a positioning method on a secondary link SL, executed by a first terminal, the method includes: sending an SL reference signal; wherein the SL reference signal is used for at least one of the following: determining the the position of the first terminal; determine the relative position between the first terminal and at least one of the second terminals; determine the position of at least one of the second terminals; determine the first terminal and at least one of the second terminals distance between terminals.
  • a positioning method on a secondary link SL is provided, which is performed by a second terminal.
  • the method includes: receiving an SL reference signal sent by the first terminal; and performing at least one of the following according to the SL reference signal: The position of the first terminal is determined; the relative position between the first terminal and the second terminal is determined; the position of the second terminal is determined; the distance between the first terminal and the second terminal is determined.
  • a positioning apparatus on a secondary link SL includes: a sending module configured to send a SL reference signal; wherein the SL reference signal is used for at least one of the following: determining the first the position of a terminal; determine the relative position between the first terminal and at least one of the second terminals; determine the position of at least one of the second terminals; determine the first terminal and at least one of the second terminals the distance between.
  • a positioning apparatus on a secondary link SL includes: a receiving module, configured to receive an SL reference signal sent by a first terminal; a measurement module, configured to perform the following according to the SL reference signal At least one item: determine the position of the first terminal; determine the relative position between the first terminal and the second terminal; determine the position of the second terminal; determine the distance between the first terminal and the second terminal .
  • a terminal in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor Implement the steps of the method as described in the first aspect, or implement the steps of the method as described in the second aspect.
  • a network side device in a sixth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the When executed by the processor, the steps of the method described in the first aspect or the steps of the method described in the second aspect are realized.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method of the second aspect.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction, and implements the method described in the first aspect. The steps of the method described, or the steps of implementing the method described in the second aspect.
  • a computer program product comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the When executed by the processor, the steps of the method as described in the first aspect or the steps of the method as described in the second aspect are realized.
  • the first terminal sends an SL reference signal
  • the SL reference signal is used for at least one of the following: determining the location of the first terminal; determining the relationship between the first terminal and at least one of the second relative positions between terminals; determining the position of at least one of the second terminals; The terminal positioning service involved in the V2X service.
  • FIG. 1 is a schematic diagram of a wireless communication system provided by an exemplary embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a positioning method on an SL provided by an exemplary embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a positioning method on an SL provided by an exemplary embodiment of the present application.
  • FIG. 4 is a schematic diagram of a frequency domain resource allocation manner provided by an exemplary embodiment of the present application.
  • 5a, 5b, 5c, 5d, 5e, and 5f are schematic diagrams of target patterns provided by an exemplary embodiment of the present application, respectively.
  • 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, and 6i are schematic diagrams of target patterns provided by another exemplary embodiment of the present application, respectively.
  • FIG. 7 is a schematic flowchart of a positioning method on an SL provided by an exemplary embodiment of the present application.
  • FIG. 8 a and FIG. 8 b are respectively schematic diagrams of application scenarios of the positioning method on the SL provided by an exemplary embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a positioning method on an SL provided by another exemplary embodiment of the present application.
  • FIG. 10 is a schematic flowchart of a positioning method on an SL provided by another exemplary embodiment of the present application.
  • Fig. 11 is a schematic block structural diagram of a positioning device on an SL provided by an exemplary embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a positioning apparatus on an SL provided by another exemplary embodiment of the present application.
  • FIG. 13 is a schematic block structure diagram of a terminal provided by an exemplary embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data 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 "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
  • 6th generation 6th Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal, and 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), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (Mobile Internet Device, MID), wearable device (Wearable Device) vehicle, street light or vehicle-mounted equipment (VUE) , Pedestrian Terminal (PUE) and other terminal-side devices, and wearable devices include: bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 it is a schematic flowchart of a positioning method 200 on an SL provided by an exemplary embodiment of the present application.
  • the method 200 can be executed by a first terminal, and specifically can be implemented by software installed on the first terminal and/or Implemented in hardware, the method may include the following steps.
  • the SL reference signal may be used to implement terminal positioning in a V2X scenario, such as relative positioning or absolute positioning between terminals.
  • the SL reference signal may be used for at least one of the following (1)-(4).
  • the first terminal that transmits the SL reference signal may determine according to the SL reference signal, or it may be determined by the second terminal that receives or schedules the SL reference signal according to the The SL reference signal is determined, which is not limited here.
  • the first terminal may implement the SL reference signal in a unicast, multicast or broadcast manner of sending.
  • the first terminal can be used as a sending terminal for sending the SL reference signal, or can be used as a receiver for receiving SL reference signals sent by other terminals.
  • the terminal can also be used as a scheduling terminal that schedules other terminals to send or receive the SL reference signal, that is, according to different positioning requirements or positioning scenarios under V2X or IIoT, the first terminal can perform positioning services as different roles , the second terminal is similar to the first terminal, and details are not repeated here.
  • the first terminal sends an SL reference signal
  • the SL reference signal is used for at least one of the following: determining the location of the first terminal; determining the relationship between the first terminal and at least one of the second relative positions between terminals; determine the position of at least one of the second terminals; determine the distance between the first terminal and at least one of the second terminals, thus, terminal positioning on the SL can be realized, adapting to V2X Or terminal positioning service requirements in IIoT scenarios.
  • FIG. 3 it is a schematic flowchart of a positioning method 300 on an SL provided by an exemplary embodiment of the present application.
  • the method 300 can be executed by a first terminal, and specifically can be implemented by software installed on the first terminal and/or Executed by hardware, the method 300 may include the following steps.
  • S310 Send the SL reference signal according to the first content.
  • the first content includes at least one of the following (1)-(4).
  • the first scheduling request instructs a network side device (such as a base station, a core network device, etc.) to schedule the SL reference signal.
  • a network side device such as a base station, a core network device, etc.
  • the network side device is instructed to schedule the first terminal to send the SL reference signal.
  • the second scheduling request instructs the third terminal to schedule the SL reference signal, such as instructing the third terminal to schedule the first terminal to send the SL reference signal.
  • the third terminal may be the same as the aforementioned second terminal, or may be different, which is not limited herein.
  • the pre-configured requirements may be business requirements such as positioning requirements, ranging requirements, anti-collision requirements, and charging requirements.
  • the preconfigured requirement may also be a service requirement, a positioning request command, or the like.
  • the preconfigured requirement may be configured by a terminal or a network side device, or specified by a protocol, which is not limited herein.
  • the pre-configured requirement may trigger the sending of the SL signal under certain conditions, such as enabling automatic driving, intelligent logistics, and the like.
  • the pre-configured resource configuration may be configured by a terminal or a network-side device, or specified by a protocol, which is not limited here.
  • the resource configuration may include time domain resources, frequency domain resources, space domain resources, etc. involved in sending the SL reference signal, which is not limited in this embodiment.
  • the preconfigured resources are resources reserved in advance.
  • the preconfigured resources are resources that meet the requirements for sending SL reference signals.
  • the predetermined indication may be implemented through but not limited to secondary link control information (Sidelink Control Information, SCI), downlink control information (Downlink Control Information, DCI), etc., which is not limited in this embodiment.
  • secondary link control information SCI
  • Downlink Control Information DCI
  • DCI Downlink Control Information
  • the implementation process of S310 is different according to the difference of the first content.
  • the Sending the SL reference signal according to the first content includes: sending the SL reference signal according to the first scheduling request.
  • the sending the SL reference signal according to the first content includes: according to the first scheduling request and the preconfigured resource configuration Send SL reference signal.
  • the SL reference signal satisfies the following (1)-(5) at least one.
  • the transmission position of the SL reference signal exceeds the range of the first SL resource.
  • the first SL resource may include an SL bandwidth part (Bandwidth Part, BWP), an SL resource pool, an SL transmission channel, and the like.
  • BWP SL bandwidth part
  • SL resource pool an SL resource pool
  • SL transmission channel an SL transmission channel
  • the sending position of the SL reference signal may also have no corresponding relationship with the range of the first SL resource.
  • the SL reference signal may be sent independently of the first SL resource, which is not limited here.
  • the sending position of the SL reference signal is indicated by the first SCI or the first DCI.
  • the first SCI includes a level 1 SCI and/or a level 2 SCI.
  • the transmission state of the SL reference signal is indicated by the first SCI or the first DCI.
  • the sending position and sending state of the SL reference signal may be statically or dynamically indicated based on the first SCI or the first DCI indication, which is not limited in this embodiment.
  • the SL reference signal is a reference signal with a target pattern.
  • the sending state of the SL reference signal is related to the first specification information, and the second specification information includes priority information, resource pool information, channel busy ratio (Channel Busy Ratio, CBR), channel occupancy rate (Channel Occupancy) Ratio, CR), quality of service (QOS) parameters, terminal communication range (communication range), transmission type (such as unicast, multicast or broadcast, etc.), terminal type (such as VUE, PUE, toll station, cargo space identification, street lights, etc.) etc.) at least one.
  • CBR channel busy ratio
  • Channel Occupancy Ratio Channel occupancy rate
  • QOS quality of service
  • the SL reference signal when the first terminal sends the SL reference signal according to the first scheduling request or the second scheduling request, the SL reference signal satisfies the following (1)-(5 ) at least one of them.
  • the scheduling position of the SL reference signal exceeds the range of the first SL resource.
  • the first SL resource may include SL BWP, SL resource pool, SL transmission channel and the like. Assuming that the first SL resource is SL BWP, then the scheduling position of the SL reference signal may exceed the range of the first SL resource, or the scheduling position of the SL reference signal may cover the range of the first SL resource, or the scheduling position of the SL reference signal may exceed the range of the first SL resource.
  • the scheduling position is smaller than the first SL resource range, which is not limited in this embodiment.
  • the scheduling position of the SL reference signal may also have no corresponding relationship with the first SL resource range, for example, the SL reference signal may be scheduled independently of the first SL resource.
  • the scheduling position of the SL reference signal is indicated by the second SCI or the second DCI.
  • the SL reference signal can be scheduled at a fixed position through the N1-N2 symbols in the second SCI or the second DCI. It should be noted that the aforementioned N1-N2 symbols should not conflict with the SCI, DMRS, and PSFCH to avoid Ensure communication quality.
  • the fixed location scheduling may also indicate that the N1-N2 symbol indicates the scheduling offset of the SL reference signal relative to the second SCI or the second DCI, and the 1-N2 symbol may indicate a specific offset value, or Indicates that it is one of the configured offset values.
  • the SCI may include a first-level (1nd) SCI and/or a second-level (2nd) SCI
  • the 1ST SCI indicates whether to include the scheduling of the SL reference signal
  • the 2nd SCI indicates whether to include the scheduling of the SL reference signal. Indicates one of the time-frequency position and scheduling offset of the SL reference signal.
  • the target pattern corresponding to the SL reference signal is indicated by the third SCI or the third DCI.
  • the second SCI or the second DCI indicates which target pattern (or type) to use.
  • target pattern reference may be made to the subsequent description about pattern features, which will not be repeated here.
  • the scheduling status of the SL reference signal is indicated by the fourth SCI or the fourth DCI.
  • first SCI, second SCI, third SCI, and fourth SCI may be the same or different, and the aforementioned first DCI, second DCI, third DCI, and fourth DCI may be the same or different.
  • first DCI, second DCI, third DCI, and fourth DCI may be the same or different.
  • the scheduling status of the SL reference signal is related to second designation information, where the second designation information includes the SL reference signal or other signals, channel priority information, resource pool information, channel busy rate, and channel occupancy at least one of rate, QOS parameter, terminal communication range, transmission type, and terminal type.
  • the SL reference signal cannot be scheduled if the channel occupancy rate is higher than a certain threshold; for another example, if the communication range of the terminal is higher than a certain threshold, the SL reference signal cannot be scheduled.
  • the sequence features, frequency domain features, time domain features, symbol features, signal pattern features, all The parameter configuration of the SL reference signal is described in multiple aspects such as reference objects included in the SL reference signal.
  • sequence feature of the SL reference signal may carry at least one of the following (1)-(6).
  • the fourth designation information includes user identification information (such as identification information of one or more users), user group identification information, user time information, user time source information, signal scrambling information, At least one of cyclic redundancy check (Cyclic redundancy check, CRC) information.
  • user identification information such as identification information of one or more users
  • user group identification information such as identification information of one or more users
  • user time information such as identification information of one or more users
  • user time source information such as signal scrambling information
  • signal scrambling information such as cyclic redundancy check (Cyclic redundancy check, CRC) information.
  • CRC Cyclic redundancy check
  • the fifth designation information includes at least one of a cyclic displacement, a cyclic displacement pair, and a cyclic displacement group.
  • the cyclic shift value may be (0, . . . , 4), or (0, . . . , 8).
  • the selected comb may correspond to different cyclic displacements, such as (comb8, cyclic displacement 0), comb8, cyclic displacement 1), (comb8, cyclic displacement 2), ..., (comb8, cyclic displacement 8) ); or, different combs correspond to different maximum cyclic displacements, such as (comb8, maximum cyclic displacement 6), (comb12, cyclic displacement 4), (comb4, cyclic displacement 12), ..., (comb1, cyclic displacement 48) .
  • sixth designation information includes at least one of transmission channel information, transmission resource information, resource pool information, and bandwidth part (BWP) information corresponding to the SL reference signal.
  • BWP bandwidth part
  • the seventh designation information includes reference object identification information
  • the reference object includes a reference signal or a reference signal set.
  • the reference object identification information may be identification information of the reference object, such as resource identification or resource set identification.
  • the specified resource information is resource information used for sending the SL reference signal.
  • the specified resource information may include sending timing information for sending the SL reference signal, such as subframe, symbol, frame number, Coordinated Universal Time (UTC), and the like.
  • the SL may include physical resources, resources available for SL (eg, a preset time domain collection of all SL resource pools), and SL logical resources (eg, a preset SL resource in one resource pool).
  • the specified resource information provided in this embodiment may be the resource information of the SL or the logical resource information of the SL.
  • Geographic location information of a designated terminal where the designated terminal includes the first terminal and/or the second terminal.
  • the geographic location information may be latitude and longitude information, altitude information, floor information, environmental information, beacon ID, etc. where the designated terminal is located.
  • the SL reference signal may include at least one target pattern, and each of the target patterns may have a predetermined reference signal pattern.
  • the SL reference signal is an SRS, as shown in Fig. 5a, Fig. 5b, Fig. 5c, Fig. 5d, Fig. 5e, 5f, and Fig. 6a, Fig. 6b, Fig. 6c, Fig. 6d, Fig. 6e, 6f, 6g shown in the figure, respectively, are examples of partial patterns of the SRS given in this embodiment. It should be noted that the figures are only some possible patterns, the symbol position can be adjusted, and the starting position of the resource element (RE) can also be adjusted. . In addition, when the SL reference signal is another signal, the pattern of the other signal may refer to the description of the aforementioned SRS pattern, which will not be repeated here.
  • the target pattern feature corresponding to the target pattern has a corresponding relationship with at least one of the following: density, code division multiplexing (CDM) type, port number, comb (Comb) corresponding to the SL reference signal value, number of symbols, resource element (RE) offset, SL symbol type, symbol position, bandwidth, positioning requirements, sequence characteristics, transport channel, transport resources, resource pool, and BWP.
  • CDM code division multiplexing
  • Comb comb
  • SL reference signal value number of symbols
  • RE resource element
  • SL symbol type symbol position
  • bandwidth positioning requirements
  • the bandwidth may include at least one of the bandwidth of the Physical SideLink Shared Channel (PSSCH), the bandwidth of the resource pool (resource pool), the bandwidth of the BWP, and the bandwidth of the positioning frequency layer.
  • PSSCH Physical SideLink Shared Channel
  • resource pool resource pool
  • BWP bandwidth of the BWP
  • the target pattern feature may be determined with reference to a predetermined automatic gain control (Automatic Gain Control, AGC) manner.
  • AGC Automatic Gain Control
  • the predetermined AGC manner includes at least one of the following (1)-(4).
  • the repetition may be performed on a single or multiple symbols, for example, as shown in FIG. 6i, it should be noted that a discontinuous symbol pattern is represented in FIG. 6i.
  • the positioning symbol is greater than 1, if it is a position where AGC is required, the previous symbol or N/2 symbols are used for AGC; if no regulation scene is required, both can be used for position measurement.
  • the SL reference signal is sent after the eighth designation information, and the eighth designation information includes a 2-level SCI, a demodulation reference signal (Demodulation Reference Signal, DMRS), and a phase-tracking reference signal (Phase-tracking reference signal, PTRS) at least one.
  • DMRS Demodulation Reference Signal
  • PTRS Phase-tracking reference signal
  • sending the SL reference signal after the eighth designation information is equivalent to performing AGC regulation through other signals or channels (eg, the eighth designation information).
  • the AGC regulation of the target pattern feature is realized by configuring the measurement interval, that is, no signal or data is sent before the SL reference signal.
  • the target frequency domain information corresponding to the SL reference signal may include at least one of subcarrier spacing (SCS), start RE offset information, and bandwidth.
  • the target frequency domain information may be determined according to at least one of the following (1)-(10).
  • the configuration information of the BWP can be configured by a terminal or a network-side device, or specified by a protocol.
  • the target frequency domain information is determined according to the configuration information of the BWP, including the following (a)-(n) any one.
  • the starting point of the SL reference signal is equal to the starting point of the BWP.
  • the starting point of the SL reference signal is greater than the starting point of the BWP.
  • the frequency domain range of the SL reference signal is within the BWP.
  • the frequency domain range of the SL reference signal is smaller than the frequency domain range of the BWP.
  • the frequency domain range of the SL reference signal is equal to the frequency domain range of the BWP.
  • the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the BWP.
  • the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the BWP.
  • the beam (Beam) of the SL reference signal is consistent with the Beam associated with the BWP.
  • the start symbol of the SL reference signal is the symbol start position of the BWP.
  • the starting symbol of the SL reference signal is a first predetermined symbol, and the first predetermined symbol has a fixed offset relative to the starting position of the symbol of the BWP.
  • the symbol length of the SL reference signal is smaller than the symbol length of the BWP.
  • the symbol length of the SL reference signal is equal to the symbol length of the BWP.
  • the priority information of the SL reference signal is determined according to the priority information of the BWP.
  • the target frequency domain information is determined according to the configuration information of the resource pool, and includes any one of the following (a)-(n).
  • the starting point of the SL reference signal is equal to the starting point of the resource pool.
  • the starting point of the SL reference signal is greater than the starting point of the resource pool.
  • the frequency domain range of the SL reference signal is located in the resource pool.
  • the frequency domain range of the SL reference signal is smaller than the frequency domain range of the resource pool.
  • the frequency domain range of the SL reference signal is equal to the frequency domain range of the resource pool.
  • the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the resource pool.
  • the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers in the resource pool.
  • the start symbol of the SL reference signal is the symbol start position of the resource pool.
  • the start symbol of the SL reference signal is a first predetermined symbol, and the first predetermined symbol has a fixed offset with respect to the symbol start position of the resource pool.
  • the symbol length of the SL reference signal is smaller than the symbol length of the resource pool.
  • the symbol length of the SL reference signal is equal to the symbol length of the resource pool.
  • the priority information of the SL reference signal is determined according to the priority information of the resource pool.
  • the target frequency domain information is determined according to the transmission channel information, and may include any one of the following (a)-(n).
  • the starting point of the SL reference signal is equal to the starting point of the transport channel.
  • the starting point of the SL reference signal is greater than the starting point of the transport channel.
  • the frequency domain range of the SL reference signal is located within the transmission channel.
  • the frequency domain range of the SL reference signal is smaller than the frequency domain range of the transmission channel.
  • the frequency domain range of the SL reference signal is equal to the frequency domain range of the transmission channel.
  • the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the transport channel.
  • the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the transport channel.
  • the start symbol of the SL reference signal is the symbol start position of the transmission channel.
  • the starting symbol of the SL reference signal is a first predetermined symbol, and the first predetermined symbol has a fixed offset relative to the starting position of the symbol of the transmission channel.
  • the symbol length of the SL reference signal is smaller than the symbol length of the transport channel.
  • the symbol length of the SL reference signal is equal to the symbol length of the transport channel.
  • the priority information of the SL reference signal is determined according to the priority information of the transport channel.
  • the target frequency domain starting point is the target starting point, and/or at least one of the following frequency domain positions after a fixed frequency domain offset is performed relative to the target starting point, wherein the target starting point includes the BWP starting point, the resource pool frequency domain Any one of the starting point, the starting point of the transmission channel, and the absolute frequency domain position, the offset value of the fixed frequency domain offset can be configured by the terminal or the network side, or specified by the protocol, which is not limited in this embodiment.
  • the target frequency domain offset may be determined according to at least one of frequency domain granularity, target frequency domain starting point, and symbol information of the SL reference signal.
  • Symbol information of the SL reference signal For example, different symbols have different target frequency domain offset information, and for example, different symbol numbers have different target frequency domain offset information for each symbol.
  • the ninth designation information includes at least one of a synchronization signal block (SSB), a PTRS, a DMRS, and a channel state information-reference signal (CSI-RS).
  • SSB synchronization signal block
  • PTRS PTRS
  • DMRS DMRS
  • CSI-RS channel state information-reference signal
  • Target signal group corresponding to the SL reference signal For example, different target signal groups correspond to different target frequency information; for the same target signal group, corresponding target frequency information is the same. It can also be understood that the target signal group is configured once, that is, the same configuration is used in the target signal group.
  • Reference objects included in the SL reference signal where the reference objects include reference signals or reference signal resource sets.
  • the reference objects include reference signals or reference signal resource sets.
  • different reference objects have different corresponding target frequency information. It can also be understood that each reference object is configured once, that is, the same configuration is used in the reference object.
  • the target frequency domain information corresponding to the SL reference signal is determined according to the predetermined frequency range including: the frequency domain position corresponding to the SL reference signal exceeds the predetermined BWP range, or, the SL The frequency domain position corresponding to the reference signal is smaller than the predetermined BWP range, the frequency domain position corresponding to the SL reference signal covers the predetermined BWP range, or there is no correspondence between the frequency domain position corresponding to the SL reference signal and the predetermined BWP range .
  • the target time domain information corresponding to the SL reference signal may include at least one of a sending opportunity, a sending time interval, and a sending quantity within a predetermined duration.
  • the target time domain information may be determined according to at least one of the following (1)-(12).
  • the configuration information of the BWP may include BWP range, BWP offset information, BWP ID, SL configuration information, Sounding Reference Signal (Sounding Reference Signal, SRS) configuration information, and the like.
  • the configuration information of the resource pool may include resource pool ID, transmission channel configuration information, SL synchronization information, SL start resource block (Resource Block, RB) information, SL time information, SL signal information, SL window information, SL power information, etc.
  • the transmission channel configuration information may include the starting position of the transmission channel and the like.
  • a designated signal in a predetermined monitoring window where the designated signal includes at least one of RSRP, RSRQ, SN), RSSI, CR, and CBR.
  • Target time domain starting point information may be any one of the starting point of the BWP, the starting point of the resource pool, the starting point of the transmission channel, the absolute time, the system frame number (SFN), and the time slot (slot) time; The starting point of the BWP, the starting point of the resource pool, the starting point of the transmission channel, the absolute time, the SFN, and the offset time of the slot time.
  • Target time domain offset information may be the offset time relative to the starting point, or may be the duration of the SL reference signal.
  • the symbol information may be a symbol number, a symbol number, a symbol length, a symbol start or end position, and the like.
  • the target pattern can refer to the descriptions in Figs. 5a, 5b, 5b and the like.
  • the information of the reference object may be a reference signal resource identifier, a reference signal resource set identifier, resource allocation information, space direction information, power information, sending timing information, sending user information, receiving user information, etc. No restrictions.
  • the transmission is performed according to the DRX period, and if the period is greater than the period of the DRX, the transmission is performed according to the DRX period.
  • the transmission of the SL reference signal is independent of DRX.
  • the target time domain information may also be different from the time domain location information of the eleventh designation information, where the eleventh designation information includes at least one of 2-level SCI, DMRS, and PTRS.
  • the symbols included in the SL reference signal satisfy at least one of the following (1)-(9).
  • the symbol sequence formed by each of the symbols is in a staircase shape or a comb shape.
  • the time domain relative offset of each of the symbols is determined according to a first predetermined rule.
  • the first predetermined rule may be that the time domain relative offsets of the symbols may be set according to a pre-configured comb structure, may be the same, or may be set randomly, or may be different from the comb or symbol position or number.
  • the corresponding relationship is not limited in this embodiment.
  • the frequency domain start offset of each of the symbols is determined according to a second predetermined rule.
  • the second predetermined rule is similar to the first predetermined rule, and details are not described herein again.
  • the starting position of the time domain is only placed on the 0248 symbol, and the starting position of the frequency domain is only placed at 0123, 0231, etc., which is not limited here.
  • the relative offset of each of the symbols is not greater than the number of combs corresponding to the SL reference signal. In a possible embodiment, the relative offset of each of the symbols is 0.
  • the relative offset of each of the symbols is not greater than the total number of symbols in the SL reference signal.
  • the number of symbols of the SL reference signal corresponds to the reference object identification information, and the reference object includes a reference signal or a reference signal resource set.
  • the symbol information of the target symbol corresponds to the tenth specification information
  • the symbol information of the target symbol includes the number of symbols in the SL reference signal and the symbol offset of the target symbol
  • the tenth specification information includes At least one of transmission channel information, transmission resource information, resource pool information, and BWP corresponding to the SL reference signal.
  • the SL reference signal includes different information
  • the SL reference signal may include information of at least one reference object, and the reference object includes a reference signal resource or a reference signal resource set.
  • the information of the reference object includes at least one of the following (1)-(5).
  • Reference object identification information For example, the reference signal resource identifier, the reference signal resource set identifier, and the like.
  • the third designation information includes at least one of resource allocation information, space direction information, power information, transmission timing, a transmission user, and a receiving user.
  • the SL reference signal sent by the first terminal has a corresponding relationship with the designated geographic location information
  • the SL reference signal measured by the second terminal has a corresponding relationship with the designated geographic location information
  • the geographic location information may include zone information, longitude and latitude information, altitude information, communication range information, cell information, and the like.
  • the specified synchronization information includes synchronization reference signals and/or synchronization resources.
  • the information of the reference object includes specified synchronization information, it can be understood that it is necessary to perform positioning measurement and calculation on terminals (or users) having the same synchronization reference information.
  • Timestamp information includes at least one of absolute time, universal time, frame number, and relative time information.
  • the SL reference signal may simultaneously have at least one configuration in the foregoing 1-6, that is, the SL reference signal may simultaneously have the foregoing sequence feature, frequency domain feature, time domain feature, symbol feature, signal feature
  • One or more of pattern features and reference objects are not limited in this embodiment.
  • FIG. 7 it is a schematic flowchart of a positioning method 700 on an SL provided by an exemplary embodiment of the present application.
  • the method 700 may be executed by a first terminal, and specifically may be software installed on the first terminal and/or Implemented in hardware, the method 700 may include the following steps.
  • the sending of the SL reference signal may further include at least one of the following (1)-(4).
  • the SL reference signal is sent together with the target SCI.
  • the target SCI includes level 1 SCI and/or level 2 SCI.
  • the target SCI may carry at least one of the following (a)-(d).
  • the configuration information may be first resource information, first period information, terminal identification information, first time domain information, first power information, and first space information corresponding to the received SL reference signal, or the SL
  • the auxiliary information may be at least one of an identifier of a terminal that sends an SL signal, a location of a terminal that sends an SL signal, an identifier of a terminal that receives an SL reference signal, and a location of a terminal that sends an SL signal.
  • At least one of the following (a)-(d) in the SL reference signal corresponds to the target SSB.
  • At least one of the following (a)-(d) in the SL reference signal corresponds to the target transmission channel.
  • the SL reference signal is sent independently.
  • the SL reference signal may be sent independently of the SCI or other signals/channels.
  • the SL reference signal may include reference signals corresponding to at least one target signal group. Assuming that the positioning scenario is shown in Figure 8a, then it can be understood that one target signal group corresponds to the signal of one fleet.
  • the target signal group may satisfy any one of the following (1)-(5).
  • the reference signal type may include at least one of a first type of SL reference signal, a second type of SL reference signal and a third type of SL reference signal.
  • the first type of SL reference signal may carry a broadcast identification ID (such as a cell ID, a scrambling code ID, etc.) or/and a type ID. It is used for relative positioning of VUE, PUE, etc. to achieve anti-collision purposes. There is no need to distinguish who the terminal is. Note that the type ID may be predefined or assigned.
  • the RSU sends an SL reference signal
  • the VUE determines the distance from the toll or collision terminal according to the received SL reference signal, and stops when the measurable distance reaches the standard.
  • the SL reference signal sent by the RSU may allow the VUE to identify the RSU of this type. If the vehicle sends a signal, it needs to be able to identify the vehicle ID, accompanied by feedback.
  • the involved resource configuration manner may include: pre-configuring resources by the network side device, the first terminal randomly or preempting resources to send the SL reference signal.
  • pre-configuring resources by the network side device the first terminal randomly or preempting resources to send the SL reference signal.
  • this method can also be used in the storage of smart cargo spaces, or when the smart car returns to the charging light.
  • the second type SL reference signal carries a group ID.
  • the second-type SL reference signal can be used for multicast to identify the relative positions of users in the group.
  • the group ID carried in the second-type SL reference signal is used to uniquely identify different users in the same group. user.
  • the resources of SL reference signals of different users in the same group may be divided according to pre-configuration, pre-definition, group ID, and intra-group ID.
  • the second type SL reference signal can be used to determine the relative displacement between the vehicles in the convoy
  • the resource configuration methods involved may include: 1. Configured by the network side device, 2. Pre-configured by the network side + terminal resource allocation at a specified location, the terminal at the specified location may be the first terminal, the middle terminal, The last terminal or any other terminal, etc. For example, resource requirements and positioning requirements can be reported by the UE at the specified location, how short resources can be allocated (sent and fed back), and the first terminal needs to preempt reserve resources (including those of the second terminal).
  • the third type SL reference signal carries the terminal ID or/and the signal ID.
  • the third-type SL reference signal can be used for unicast, and the terminal ID or/and the signal ID that can be carried thereon are used for user identification.
  • the third type SL reference signal can be applied to scenarios that require unique identification, such as AGV (automated guided vehicle), Drone, and vehicle sharing. Terminal in need of rescue.
  • AGV automated guided vehicle
  • Drone vehicle sharing
  • the reliability of the terminal positioning result can be further improved, and the positioning requirements under V2X can be met.
  • a positioning method 900 on an SL is provided for an exemplary embodiment of the present application.
  • the method 900 can be executed by a second terminal, and specifically can be executed by software and/or hardware installed in the second terminal , the method 900 may include the following steps.
  • S910 Receive the SL reference signal sent by the first terminal.
  • the second terminal performs at least one of the following according to the received SL reference signal: determining the position of the first terminal; determining the relative position between the first terminal and at least one of the second terminals; Determine the position of at least one of the second terminals; determine the distance between the first terminal and at least one of the second terminals, so that terminal positioning on the SL can be realized, and the terminal positioning service requirements in the V2X scenario can be met. .
  • a positioning method 1000 on an SL is provided for an exemplary embodiment of the present application.
  • the method 1000 can be executed by a second terminal, and specifically can be executed by software and/or hardware installed in the second terminal , the method 1000 may include the following steps.
  • S1010 Receive an SL reference signal according to second content, where the second content includes at least one of the following (1)-(5).
  • a third scheduling request instructs the network side device to schedule and receive the SL reference signal.
  • the SL reference signal satisfies at least one of the following (1)-(5).
  • the receiving positions of the SL reference signals are independent.
  • the receiving position of the SL reference signal is indicated by the fifth SCI or the fifth DCI.
  • the five SCIs and the aforementioned first SCI may be the same or different, and the fifth DCI may be the same or different from the aforementioned first DCI, which is not limited in this embodiment.
  • the SL reference signal is a reference signal with a target pattern.
  • the receiving state of the SL reference signal is indicated by the first SCI or the first DCI.
  • the reception status of the SL reference signal is related to the first designation information, and the first designation information includes priority information, resource pool information, channel busy rate, channel occupancy rate, quality of service QOS parameter, terminal communication range, At least one of transmission type and terminal type.
  • the SL reference signal when the SL reference signal is received according to the first scheduling request or the second scheduling request, the SL reference signal satisfies at least one of the following (1)-(5) .
  • the scheduling position of the SL reference signal exceeds the range of the first SL resource.
  • the scheduling position of the SL reference signal is indicated by the second SCI or the second DCI.
  • the target pattern corresponding to the SL reference signal is indicated by the third SCI or the third DCI.
  • the scheduling status of the SL reference signal is indicated by the fourth SCI or the fourth DCI.
  • the second SCI, the third SCI, and the fourth SCI described in the foregoing (2)-(4) and the second SCI, the third SCI, and the fourth SCI described in the foregoing method embodiment 300 may be The correspondence is the same or may be different.
  • the second DCI, the third DCI, and the fourth DCI described in the foregoing (2)-(4) are the same as the second DCI and the third DCI described in the foregoing method embodiment 300.
  • the fourth DCI may be the same or different, which is not limited in this embodiment.
  • the scheduling state of the SL reference signal is related to the second designation information, and the second designation information includes priority information, resource pool information, channel busy rate, channel occupancy rate, quality of service QOS parameter, terminal communication range, At least one of transmission type and terminal type.
  • the following describes the parameter configuration of the SL reference signal from the aspects of sequence features, frequency domain features, time domain features, symbol features, and signal pattern features corresponding to the SL reference signal.
  • the sequence feature of the SL reference signal may carry at least one of the following:
  • the fourth designation information includes at least one of user identification information, user group identification information, user time information, user time source information, signal scrambling information, and cyclic redundancy check CRC information.
  • the fifth designation information includes at least one of a cyclic displacement, a cyclic displacement pair, and a cyclic displacement group.
  • sixth designation information includes at least one of transmission channel information, transmission resource information, resource pool information, and bandwidth part BWP information corresponding to the SL reference signal.
  • the seventh designation information includes reference object identification information
  • the reference object includes a reference signal or a reference signal set.
  • Specified resource information where the specified resource information is resource information used by the SL reference signal.
  • Geographic location information of a designated terminal where the designated terminal includes the first terminal and/or the second terminal.
  • the SL reference signal includes at least one target pattern.
  • the target pattern feature corresponding to the target pattern has a corresponding relationship with at least one of the following: the density corresponding to the SL reference signal, the code division multiplexing type, the number of ports, the comb value, the number of symbols, the number of REs Offset, SL symbol type, symbol position, bandwidth, positioning requirements, sequence characteristics, transport channel, transport resource, resource pool and BWP.
  • the target pattern feature is determined with reference to a predetermined automatic gain control (AGC) manner.
  • AGC automatic gain control
  • the predetermined AGC manner includes at least one of the following (1)-(4):
  • the SL reference signal is sent after eighth designation information, where the eighth designation information includes at least one of a 2-level SCI, a demodulation reference signal, and a phase tracking reference signal.
  • the target frequency domain information corresponding to the SL reference signal may include at least one of subcarrier spacing, starting RE offset information, and bandwidth.
  • the target frequency domain information may be determined according to at least one of the following (1)-(10).
  • the target frequency domain information is determined according to the configuration information of the BWP, and includes any one of the following (a)-(n).
  • the starting point of the SL reference signal is equal to the starting point of the BWP.
  • the starting point of the SL reference signal is greater than the starting point of the BWP.
  • the frequency domain range of the SL reference signal is within the BWP.
  • the frequency domain range of the SL reference signal is smaller than the frequency domain range of the BWP.
  • the frequency domain range of the SL reference signal is equal to the frequency domain range of the BWP.
  • the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the BWP.
  • the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the BWP.
  • the start symbol of the SL reference signal is the symbol start position of the BWP.
  • the starting symbol of the SL reference signal is a first predetermined symbol, and the first predetermined symbol has a fixed offset relative to the starting position of the symbol of the BWP.
  • the symbol length of the SL reference signal is smaller than the symbol length of the BWP.
  • the symbol length of the SL reference signal is equal to the symbol length of the BWP.
  • the priority information of the SL reference signal is determined according to the priority information of the BWP.
  • the target frequency domain information is determined according to the configuration information of the resource pool, and includes any one of the following (a)-(n).
  • the starting point of the SL reference signal is equal to the starting point of the resource pool.
  • the starting point of the SL reference signal is greater than the starting point of the resource pool.
  • the frequency domain range of the SL reference signal is located in the resource pool.
  • the frequency domain range of the SL reference signal is smaller than the frequency domain range of the resource pool.
  • the frequency domain range of the SL reference signal is equal to the frequency domain range of the resource pool.
  • the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the resource pool.
  • the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers in the resource pool.
  • the beam beam of the SL reference signal is consistent with the beam associated with the resource pool.
  • the start symbol of the SL reference signal is the symbol start position of the resource pool.
  • the start symbol of the SL reference signal is a first predetermined symbol, and the first predetermined symbol has a fixed offset with respect to the symbol start position of the resource pool.
  • the symbol length of the SL reference signal is smaller than the symbol length of the resource pool.
  • the symbol length of the SL reference signal is equal to the symbol length of the resource pool.
  • the priority information of the SL reference signal is determined according to the priority information of the resource pool.
  • the target frequency domain information is determined according to the transmission channel information, and includes any one of the following (a)-(n).
  • the starting point of the SL reference signal is equal to the starting point of the transport channel.
  • the starting point of the SL reference signal is greater than the starting point of the transport channel.
  • the frequency domain range of the SL reference signal is located within the transmission channel.
  • the frequency domain range of the SL reference signal is smaller than the frequency domain range of the transmission channel.
  • the frequency domain range of the SL reference signal is equal to the frequency domain range of the transmission channel.
  • the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the transport channel.
  • the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the transport channel.
  • the beam beam of the SL reference signal is consistent with the beam associated with the transmission channel.
  • the start symbol of the SL reference signal is the symbol start position of the transmission channel.
  • the start symbol of the SL reference signal is a first predetermined symbol, and the first predetermined symbol has a fixed offset relative to the start position of the symbol of the transmission channel.
  • the symbol length of the SL reference signal is smaller than the symbol length of the transport channel.
  • the symbol length of the SL reference signal is equal to the symbol length of the transport channel.
  • the priority information of the SL reference signal is determined according to the priority information of the transport channel.
  • the target frequency domain starting point is the target starting point, and/or at least one of the following frequency domain positions after a fixed frequency domain offset is performed relative to the target starting point, wherein the target starting point includes the BWP starting point, the resource pool frequency domain Either the start point or the transmission channel start point.
  • the target frequency domain offset is determined according to at least one of frequency domain granularity, target frequency domain starting point, and symbol information of the SL reference signal.
  • the ninth designation information includes at least one of a synchronization signal block SSB, a phase tracking reference signal, a demodulation reference signal, and a channel state information-reference signal.
  • the target time domain information corresponding to the SL reference signal may include at least one of a sending opportunity, a sending time interval, and a sending quantity within a predetermined duration.
  • the target time domain information may be determined according to at least one of the following (1)-(12).
  • a designated signal in a predetermined monitoring window includes at least one of reference signal received power, reference signal received quality, signal-to-noise ratio, received signal strength indication, channel occupancy rate, and channel busy rate.
  • the target time domain information is different from the time domain location information of the eleventh designation information, and the eleventh designation information includes at least one of the 2-level SCI, DMRS, and PTRS.
  • the symbols included in the SL reference signal satisfy at least one of the following (1)-(9).
  • the symbol sequence formed by each of the symbols is in a staircase shape or a comb shape.
  • the time domain relative offset of each of the symbols is determined according to a first predetermined rule.
  • the frequency domain start offset of each of the symbols is determined according to a second predetermined rule.
  • the relative offset of each of the symbols is not greater than the total number of symbols in the SL reference signal.
  • the number of symbols of the SL reference signal corresponds to the reference object identification information, and the reference object includes a reference signal or a reference signal resource set.
  • the symbol information of the target symbol corresponds to the tenth specified information
  • the symbol information of the target symbol includes the number of symbols in the SL reference signal, the symbol position and the symbol offset of the target symbol, the tenth
  • the specified information includes at least one of transmission channel information, transmission resource information, resource pool information, and BWP corresponding to the SL reference signal.
  • the SL reference signal includes different information
  • the SL reference signal may include information of at least one reference object, and the reference object includes a reference signal resource or a reference signal resource set.
  • the information of the reference object includes at least one of the following (1)-(5).
  • the third designation information includes at least one of resource allocation information, space direction information, power information, transmission timing, a transmission user, and a receiving user.
  • the specified synchronization information includes synchronization reference signals and/or synchronization resources.
  • Timestamp information includes at least one of absolute time, universal time, frame number, and relative time information.
  • the receiving SL reference signal includes at least one of the following (1)-(4).
  • the SL reference signal is received together with the target SCI.
  • the target SCI includes level 1 SCI and/or level 2 SCI.
  • the target SCI may carry at least one of the following (a)-(d).
  • At least one of the following (a)-(d) in the SL reference signal corresponds to the target SSB.
  • At least one of the following (a)-(d) in the SL reference signal corresponds to the target transmission channel.
  • the SL reference signal is received independently.
  • the SL reference signal may be sent independently of the SCI or other information/channel.
  • the SL reference signal may include a reference signal corresponding to at least one target signal group, and the target signal group satisfies any one of the following.
  • the reference signal types are different.
  • the reference signal type includes at least one of a first type of SL reference signal, a second type of SL reference signal, and a third type of SL reference signal.
  • the first type SL reference signal carries the broadcast ID or/and type ID
  • the second type SL reference signal carries the group ID
  • the third type SL reference signal carries the terminal ID or // and the signal ID.
  • the execution body may be the positioning device on the SL, or a control module in the positioning device on the SL for executing the positioning method on the SL.
  • the positioning device on the SL provided by the embodiment of the present application is described by taking the positioning device on the SL performing the positioning method on the SL as an example.
  • the apparatus 1100 includes: a sending module 1110 for sending an SL reference signal; wherein the SL reference The signal is used for at least one of the following: determine the position of the first terminal; determine the relative position between the first terminal and at least one of the second terminals; determine the position of at least one of the second terminals; distance between the first terminal and at least one of the second terminals.
  • the sending module 1110 is configured to send the SL reference signal according to at least one of the following: a first scheduling request, the first scheduling request instructs the network side device to schedule the SL reference signal; the second scheduling request request, the second scheduling request instructs the third terminal to schedule the SL reference signal; preconfigured demand; preconfigured resource configuration; and predetermined indication.
  • the SL reference signal satisfies at least one of the following: the sending position of the SL reference signal exceeds the range of the first SL resource; the sending position of the SL reference signal is determined by the first secondary link control information SCI or first downlink control information DCI indication; the SL reference signal is a reference signal with a target pattern; the transmission status of the SL reference signal is indicated by the first SCI or the first DCI; the transmission status of the SL reference signal
  • the first designation information includes at least one of priority information, resource pool information, channel busy rate, channel occupancy rate, quality of service QOS parameter, terminal communication range, transmission type, and terminal type.
  • the SL reference signal when the SL reference signal is sent according to the first scheduling request or the second scheduling request, the SL reference signal satisfies at least one of the following: The scheduling position exceeds the range of the first SL resource; the scheduling position of the SL reference signal is indicated by the second SCI or the second DCI; the target pattern corresponding to the SL reference signal is indicated by the third SCI or the third DCI; the SL reference signal is indicated by the third SCI or the third DCI; The scheduling state of the signal is indicated by the fourth SCI or the fourth DCI; the scheduling state of the SL reference signal is related to the second designation information, and the second designation information includes priority information, resource pool information, channel busy rate, and channel occupancy. at least one of rate, quality of service QOS parameter, terminal communication range, transmission type, and terminal type.
  • the SL reference signal includes information of at least one reference object, and the reference object includes a reference signal resource or a reference signal resource set; wherein, the information of the reference object includes at least one of the following: reference object identification information; third designation information, where the third designation information includes at least one of resource allocation information, space direction information, power information, transmission timing, a transmitting user and a receiving user; the geographical location information of the designated terminal, the The designated terminal includes the first terminal and/or the second terminal; designated synchronization information, the designated synchronization information includes synchronization reference signals and/or synchronization resources; timestamp information, the timestamp information includes absolute time, universal time, frame number , at least one of relative time information.
  • the SL reference signal includes reference signals corresponding to at least one target signal group, and the target signal group satisfies any one of the following: different target signal groups correspond to different reference signal types; different target signal groups correspond to different reference signal types; The target signal groups correspond to the identifiers of different target signal groups; different target signal groups correspond to different reference objects, and the reference objects include reference signals or reference signal sets; different target signal groups map different Resource pool; different target signal groups correspond to different positioning requirements.
  • the reference signal type includes at least one of a first-type SL reference signal, a second-type SL reference signal, and a third-type SL reference signal; wherein the first-type SL reference signal
  • the sequence feature of the SL reference signal carries at least one of the following: fourth specification information, where the fourth specification information includes user identification information, user group identification information, user time information, user at least one of time source information, signal scrambling information, and cyclic redundancy check CRC information; fifth designation information, the fifth designation information includes at least one of a cyclic displacement, a cyclic displacement pair, and a cyclic displacement group; sixth Designation information, the sixth designation information includes at least one of transmission channel information, transmission resource information, resource pool information, and bandwidth part BWP information corresponding to the SL reference signal; seventh designation information, the seventh designation information includes Reference object identification information, the reference object includes a reference signal or a reference signal set; designated resource information, the designated resource information is the resource information used for sending the SL reference signal; the geographical location information of the designated terminal, the designated terminal Including the first terminal and/or the second terminal.
  • fourth specification information includes user identification information, user group identification information, user time information, user at least one of time source information, signal scrambling information
  • the SL reference signal includes at least one target pattern.
  • the target pattern feature corresponding to the target pattern has a corresponding relationship with at least one of the following: the density corresponding to the SL reference signal, the code division multiplexing type, the number of ports, the comb value, and the number of symbols. , RE offset, SL symbol type, symbol position, bandwidth, positioning requirements, sequence characteristics, transport channel, transport resource, resource pool, and BWP.
  • the target pattern feature is determined with reference to a predetermined automatic gain control (AGC) manner.
  • AGC automatic gain control
  • the predetermined AGC manner includes at least one of the following: repeating a specified symbol in the SL reference signal K times, K>1; controlling the number of symbols in the SL reference signal to be greater than 1;
  • the SL reference signal is sent after eighth designation information, where the eighth designation information includes at least one of a 2-level SCI, a demodulation reference signal, and a phase tracking reference signal; and a measurement interval is configured.
  • the target frequency domain information corresponding to the SL reference signal is determined according to at least one of the following: configuration information of the bandwidth part BWP; configuration information of the resource pool; transmission channel information; target frequency domain starting point information; target frequency domain offset information; symbol information of the SL reference signal; ninth designation information, the ninth designation information includes the synchronization signal block SSB, the phase tracking reference signal, the demodulation reference signal, and the channel state information-reference signal. at least one;
  • the information includes at least one of subcarrier spacing, starting RE offset information, and bandwidth.
  • the target frequency domain starting point is at least one of the following: a target starting point; a frequency domain position after a fixed frequency domain offset is performed relative to the target starting point; wherein, the target starting point includes a BWP starting point, a resource Either the starting point of the pool frequency domain or the starting point of the transmission channel.
  • the target frequency domain offset is determined according to at least one of the following: frequency domain granularity; target frequency domain starting point; symbol information of the SL reference signal.
  • the target frequency domain information is determined according to the configuration information of the BWP, including any one of the following: the configuration information of each BWP in the SL reference signal; the starting point of the SL reference signal equal to the starting point of the BWP; the starting point of the SL reference signal is greater than the starting point of the BWP; the frequency domain range of the SL reference signal is within the BWP; the frequency domain range of the SL reference signal is smaller than the BWP frequency domain range; the frequency domain range of the SL reference signal is equal to the frequency domain range of the BWP; the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the BWP; the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the BWP; the beam Beam of the SL reference signal is consistent with the Beam associated with the BWP; the start symbol of the SL reference signal is the symbol start position of the BWP; the The starting symbol of the SL reference signal
  • the target frequency domain information is determined according to the configuration information of the resource pool, including any one of the following: the starting point of the SL reference signal is equal to the starting point of the resource pool; the SL reference signal The starting point of the SL reference signal is greater than the starting point of the resource pool; the frequency domain range of the SL reference signal is within the frequency domain range corresponding to the resource pool; the frequency domain range of the SL reference signal is smaller than the frequency domain range corresponding to the resource pool ; the frequency domain range of the SL reference signal is equal to the frequency domain range corresponding to the resource pool; the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the resource pool; the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the resource pool; the beam Beam of the SL reference signal is consistent with the Beam associated with the resource pool; the start symbol of the SL reference signal is the symbol start position of the resource pool ; the start symbol of the SL reference signal is a second pre
  • the target frequency domain information is determined according to the transmission channel information, including any one of the following: the start point of the SL reference signal is equal to the start point of the transmission channel; the start point of the SL reference signal is greater than the starting point of the transmission channel; the frequency domain range of the SL reference signal is within the frequency domain range corresponding to the transmission channel; the frequency domain range of the SL reference signal is smaller than the frequency domain range corresponding to the transmission channel; The frequency domain range of the SL reference signal is equal to the frequency domain range corresponding to the transmission channel; the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the transmission channel; the subcarrier spacing of the SL reference signal is the an integer multiple of the subcarriers of the transmission channel; the beam Beam of the SL reference signal is consistent with the Beam associated with the resource pool; the start symbol of the SL reference signal is the start position of the symbol of the transmission channel; the The starting symbol of the SL reference signal is a third predetermined symbol, and the third
  • the target time domain information corresponding to the SL reference signal is determined according to at least one of the following: BWP configuration information; resource pool configuration information; transmission channel configuration information; SSB, phase tracking reference signal, solution Adjust any one of the reference signal and the channel state information-reference signal;
  • a designated signal in a predetermined monitoring window includes at least one of reference signal received power, reference signal received quality, signal-to-noise ratio, received signal strength indication, channel occupancy rate, and channel busy rate; target time domain starting point information; target time-domain offset information; symbol information of the SL reference signal; target pattern information included in the SL reference signal; information of a target signal group corresponding to the SL reference signal; reference information included in the SL reference signal object information, the reference object includes a reference signal or a reference signal resource set; SL discontinuous reception configuration information; wherein, the target time domain information includes at least one of transmission timing, transmission time interval, and the number of transmissions within a predetermined duration .
  • the target time domain information is different from the time domain location information of the eleventh designation information, and the eleventh designation information includes at least one of 2-level SCI, DMRS, and PTRS.
  • At least one of the following SL reference signals corresponds to a target SSB or a target transmission channel: target frequency domain information; target time domain information; signal sequence information; signal synchronization information.
  • the symbols included in the SL reference signal satisfy at least one of the following: the frequency domain offsets between the symbols are the same; the time domain offsets between the symbols are the same ;
  • the symbol sequence formed by each of the symbols is stepped or comb-shaped;
  • the time domain relative offset of each of the symbols is determined according to the first predetermined rule; the frequency domain start offset of each of the symbols is determined according to the second predetermined rule; the relative offset of each of the symbols is not greater than the The number of combs corresponding to the SL reference signal; the relative offset of each of the symbols is not greater than the total number of symbols in the SL reference signal; the number of symbols of the SL reference signal corresponds to the reference object identification information, and the reference object includes a reference signal or a reference signal resource set; the symbol information of the target symbol corresponds to the tenth specified information, the symbol information of the target symbol includes the number of symbols in the SL reference signal and the symbol offset of the target symbol, the The tenth specified information includes at least one of transmission channel information, transmission resource information, resource pool information, and BWP corresponding to the SL reference signal.
  • the sending module 1110 is further configured to at least one of the following: the SL reference signal is sent together with the target SCI; the SL reference signal is sent together with the target SSB; the SL reference signal is sent together with the target The transport channels are sent together; the SL reference signals are sent separately.
  • the target SCI includes a level 1 SCI and/or a level 2 SCI.
  • the target SCI carries at least one of the following: configuration information of the SL reference signal; auxiliary information of the SL reference signal; measurement request information of the SL reference signal; Measurement request information of the SL reference signal.
  • the apparatus 1200 includes: a receiving module 1210, configured to receive an SL reference signal sent by a first terminal ;
  • the measurement module 1220 is used for at least one of the following according to the SL reference signal: determine the position of the first terminal; determine the relative position between the first terminal and the second terminal; determine the position of the second terminal; A distance between the first terminal and the second terminal is determined.
  • the receiving module is configured to receive the SL reference signal according to at least one of the following: a third scheduling request, where the third scheduling request instructs the network side device to schedule and receive the SL reference signal; a fourth scheduling request request, the third scheduling request instructs the third terminal to schedule and receive the SL reference signal; preconfigured demand; preconfigured resource configuration; and predetermined indication.
  • the SL reference signal satisfies at least one of the following: the receiving position of the SL reference signal is independent; the receiving position of the SL reference signal passes the fifth secondary link control information SCI or the fifth downlink control information.
  • Control information DCI indication; the SL reference signal is a reference signal with a target pattern; the reception status of the SL reference signal is indicated by the sixth SCI or the sixth DCI; the reception status of the SL reference signal is related to the first specified information , the first designation information includes at least one of priority information, resource pool information, channel busy rate, channel occupancy rate, quality of service QOS parameter, terminal communication range, transmission type, and terminal type.
  • the SL reference signal when the SL reference signal is received according to the third scheduling request or the fourth scheduling request, the SL reference signal satisfies at least one of the following: The scheduling position exceeds the range of the first SL resource; the scheduling position of the SL reference signal is indicated by the second SCI or the second DCI; the target pattern corresponding to the SL reference signal is indicated by the third SCI or the third DCI; the SL reference signal is indicated by the third SCI or the third DCI; The scheduling state of the signal is indicated by the fourth SCI or the fourth DCI; the scheduling state of the SL reference signal is related to the second designation information, and the second designation information includes priority information, resource pool information, channel busy rate, and channel occupancy. at least one of rate, quality of service QOS parameter, terminal communication range, transmission type, and terminal type.
  • the SL reference signal includes information of at least one reference object, and the reference object includes a reference signal resource or a reference signal resource set; wherein, the information of the reference object includes at least one of the following: reference object identification information; third designation information, where the third designation information includes at least one of resource allocation information, space direction information, power information, transmission timing, a transmitting user and a receiving user; the geographical location information of the designated terminal, the The designated terminal includes the first terminal and/or the second terminal; designated synchronization information, the designated synchronization information includes synchronization reference signals and/or synchronization resources; timestamp information, the timestamp information includes absolute time, universal time, frame number , at least one of relative time information.
  • the SL reference signal includes reference signals corresponding to at least one target signal group, and the target signal group satisfies any one of the following: different target signal groups correspond to different reference signal types; different target signal groups correspond to different reference signal types; The target signal groups correspond to the identifiers of different target signal groups; different target signal groups correspond to different reference objects, and the reference objects include reference signals or reference signal sets; different target signal groups map different Resource pool; different target signal groups correspond to different positioning requirements.
  • the reference signal type includes at least one of a first-type SL reference signal, a second-type SL reference signal, and a third-type SL reference signal; wherein the first-type SL reference signal
  • the sequence feature of the SL reference signal carries at least one of the following: fourth specification information, where the fourth specification information includes user identification information, user group identification information, user time information, user at least one of time source information, signal scrambling information, and cyclic redundancy check CRC information; fifth designation information, the fifth designation information includes at least one of a cyclic displacement, a cyclic displacement pair, and a cyclic displacement group; sixth Designation information, the sixth designation information includes at least one of transmission channel information, transmission resource information, resource pool information, and bandwidth part BWP information corresponding to the SL reference signal; seventh designation information, the seventh designation information includes Reference object identification information, the reference object includes a reference signal or a reference signal set; designated resource information, the designated resource information is the resource information used for sending the SL reference signal; the geographical location information of the designated terminal, the designated terminal Including the first terminal and/or the second terminal.
  • fourth specification information includes user identification information, user group identification information, user time information, user at least one of time source information, signal scrambling information
  • the SL reference signal includes at least one target pattern.
  • the target pattern feature corresponding to the target pattern has a corresponding relationship with at least one of the following: the density corresponding to the SL reference signal, the code division multiplexing type, the number of ports, the comb value, and the number of symbols. , RE offset, SL symbol type, symbol position, bandwidth, positioning requirements, sequence characteristics, transport channel, transport resource, resource pool, and BWP.
  • the target pattern feature is determined with reference to a predetermined automatic gain control (AGC) manner.
  • AGC automatic gain control
  • the predetermined AGC manner includes at least one of the following: repeating a specified symbol in the SL reference signal K times, K>1; controlling the number of symbols in the SL reference signal to be greater than 1;
  • the SL reference signal is sent after eighth designation information, where the eighth designation information includes at least one of a 2-level SCI, a demodulation reference signal, and a phase tracking reference signal; and a measurement interval is configured.
  • the target frequency domain information corresponding to the SL reference signal is determined according to at least one of the following: configuration information of the bandwidth part BWP; configuration information of the resource pool; transmission channel information; target frequency domain starting point information; target frequency domain offset information; symbol information of the SL reference signal; ninth designation information, the ninth designation information includes the synchronization signal block SSB, the phase tracking reference signal, the demodulation reference signal, and the channel state information-reference signal. at least one;
  • the information includes at least one of subcarrier spacing, starting RE offset information, and bandwidth.
  • the target frequency domain starting point is at least one of the following: a target starting point; a frequency domain position after a fixed frequency domain offset is performed relative to the target starting point; wherein, the target starting point includes a BWP starting point, a resource Either the starting point of the pool frequency domain or the starting point of the transmission channel.
  • the target frequency domain offset is determined according to at least one of the following: frequency domain granularity; target frequency domain starting point; symbol information of the SL reference signal.
  • the target frequency domain information is determined according to the configuration information of the BWP, including any one of the following: the configuration information of each BWP in the SL reference signal; the starting point of the SL reference signal equal to the starting point of the BWP; the starting point of the SL reference signal is greater than the starting point of the BWP; the frequency domain range of the SL reference signal is within the BWP; the frequency domain range of the SL reference signal is smaller than the BWP frequency domain range; the frequency domain range of the SL reference signal is equal to the frequency domain range of the BWP; the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the BWP; the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the BWP; the beam Beam of the SL reference signal is consistent with the Beam associated with the BWP; the start symbol of the SL reference signal is the symbol start position of the BWP; the The starting symbol of the SL reference signal
  • the target frequency domain information is determined according to the configuration information of the resource pool, including any one of the following: the starting point of the SL reference signal is equal to the starting point of the resource pool; the SL reference signal The starting point of the SL reference signal is greater than the starting point of the resource pool; the frequency domain range of the SL reference signal is within the frequency domain range corresponding to the resource pool; the frequency domain range of the SL reference signal is smaller than the frequency domain range corresponding to the resource pool ; the frequency domain range of the SL reference signal is equal to the frequency domain range corresponding to the resource pool; the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the resource pool; the subcarrier spacing of the SL reference signal is an integer multiple of the subcarriers of the resource pool; the beam Beam of the SL reference signal is consistent with the Beam associated with the resource pool; the start symbol of the SL reference signal is the symbol start position of the resource pool ; the start symbol of the SL reference signal is a second pre
  • the target frequency domain information is determined according to the transmission channel information, including any one of the following: the start point of the SL reference signal is equal to the start point of the transmission channel; the start point of the SL reference signal is greater than the starting point of the transmission channel; the frequency domain range of the SL reference signal is within the frequency domain range corresponding to the transmission channel; the frequency domain range of the SL reference signal is smaller than the frequency domain range corresponding to the transmission channel; The frequency domain range of the SL reference signal is equal to the frequency domain range corresponding to the transmission channel; the subcarrier spacing of the SL reference signal is the same as the subcarrier spacing of the transmission channel; the subcarrier spacing of the SL reference signal is the an integer multiple between subcarriers of the transmission channel; the beam of the SL reference signal is consistent with the beam associated with the resource pool; the start symbol of the SL reference signal is the start position of the symbol of the transmission channel; the The starting symbol of the SL reference signal is a third predetermined symbol, and the third predetermined symbol has
  • the target time domain information corresponding to the SL reference signal is determined according to at least one of the following: BWP configuration information; resource pool configuration information; transmission channel configuration information; SSB, phase tracking reference signal, solution Adjust any one of the reference signal and the channel state information-reference signal; the designated signal in the predetermined monitoring window, the designated signal includes the reference signal received power, the reference signal received quality, the signal-to-noise ratio, the received signal strength indication, the channel occupancy rate , at least one of channel busy rate; target time domain starting point information; target time domain offset information; symbol information of the SL reference signal; target pattern information included in the SL reference signal; Information of a target signal group; information of a reference object included in the SL reference signal, where the reference object includes a reference signal or a reference signal resource set; SL discontinuous reception configuration information; wherein, the target time domain information includes a transmission opportunity , at least one of the sending time interval, and the number of sending within a predetermined time period.
  • the target time domain information is different from the time domain location information of the eleventh designation information, and the eleventh designation information includes at least one of 2-level SCI, DMRS, and PTRS.
  • At least one of the following SL reference signals corresponds to a target SSB or a target transmission channel: target frequency domain information; target time domain information; signal sequence information; signal synchronization information.
  • the symbols included in the SL reference signal satisfy at least one of the following: the frequency domain offsets between the symbols are the same; the time domain offsets between the symbols are the same
  • the symbol sequence formed by each of the symbols is in the shape of a staircase or a comb; the relative offset in the time domain of each of the symbols is determined according to a first predetermined rule; the initial offset in the frequency domain of each of the symbols is determined according to a second predetermined rule The rules are determined; the relative offset of each of the symbols is not greater than the number of combs corresponding to the SL reference signal; the relative offset of each of the symbols is not greater than the total number of symbols in the SL reference signal; the SL reference The number of symbols of the signal corresponds to the reference object identification information, and the reference object includes a reference signal or a reference signal resource set; the symbol information of the target symbol corresponds to the tenth specified information, and the symbol information of the target symbol includes the SL reference signal. and the symbol offset of the target symbol, the tenth specified information
  • the receiving the SL reference signal includes at least one of the following: the SL reference signal is received together with the target SCI; the SL reference signal is received together with the target SSB; the SL reference signal is received together with the target The transport channels are received together; the SL reference signals are received separately.
  • the target SCI includes a level 1 SCI and/or a level 2 SCI.
  • the target SCI carries at least one of the following: configuration information of the SL reference signal; auxiliary information of the SL reference signal; measurement request information of the SL reference signal; Measurement request information of the SL reference signal.
  • the positioning device on the SL in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the positioning device on the SL in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the positioning device on the SL provided by the embodiment of the present application can implement each process implemented by the method embodiments in FIGS. 2 to 10 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 13 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1300 includes but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, a processor 1310 and other components .
  • the terminal 1300 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1310 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 13 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1304 may include a graphics processor (Graphics Processing Unit, GPU) 1341 and a microphone 13042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1306 may include a display panel 13061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1307 includes a touch panel 13071 and other input devices 13072 .
  • the touch panel 13071 is also called a touch screen.
  • the touch panel 13071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 13072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 1301 receives the downlink data from the network side device, and then processes it to the processor 1310; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1309 may be used to store software programs or instructions as well as various data.
  • the memory 1309 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1309 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1310 may include one or more processing units; optionally, the processor 1310 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1310.
  • the processor 1310 invokes the instructions or programs in the memory 1309 to execute the method executed by each module shown in FIG. 11 or FIG. 12 , and achieves the same technical effect. To avoid repetition, details are not described here.
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the positioning method on the SL is implemented, and can To achieve the same technical effect, in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used for running network-side device programs or instructions to implement the above-mentioned SL.
  • the various processes of the embodiments of the positioning method can achieve the same technical effect, and are not repeated here in order to avoid repetition.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • An embodiment of the present application further provides a computer program product, the computer program product includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being When the processor is executed, each process of the above-mentioned embodiment of the positioning method on the SL is implemented, and the same technical effect can be achieved. To avoid repetition, details are not described here.

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Abstract

本申请公开了一种副链路SL上的定位方法、装置及终端，属于无线通信技术领域。所述方法包括：第一终端发送SL参考信号；其中，所述SL参考信号用于以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一个所述第二终端之间的距离。

Description

副链路SL上的定位方法、装置及终端
交叉引用
本发明要求在2020年12月04日提交中国专利局、申请号为202011403558.6、发明名称为“副链路SL上的定位方法、装置及终端”的中国专利申请的优先权，该申请的全部内容通过引用结合在本发明中。
技术领域
本申请属于无线通信技术领域，具体涉及一种副链路SL上的定位方法、装置及终端。
背景技术
如第五代新空口(5 th Generation New Radio，5G NR)系统、长期演进(Long Term Evolution，LTE)系统等通信系统，均可支持副链路(Sidelink，SL)传输，即用户设备(User Equipment，UE，也就是终端)之间可不通过网络设备而直接在物理层上进行数据传输。
但是，对于SL传输中涉及的车联网(Vehicle to Everything，V2X)或工业物联网(IIoT)等场景，相关SL技术虽能满足V2X的基本安全类通信，但是无法适应其他更高级的V2X业务，如定位业务等。
发明内容
本申请实施例提供一种副链路SL上的定位方法、装置及终端，能够解决相关SL技术无法适应V2X业务的问题。
第一方面，提供了一种副链路SL上的定位方法，由第一终端执行，所述方法包括：发送SL参考信号；其中，所述SL参考信号用于以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一 个所述第二终端之间的距离。
第二方面，提供了一种副链路SL上的定位方法，由第二终端执行，所述方法包括：接收第一终端发送的SL参考信号；根据所述SL参考信号执行以下至少一项：确定第一终端的位置；确定第一终端与所述第二终端之间的相对位置；确定所述第二终端的位置；确定第一终端与所述第二终端之间的距离。
第三方面，提供了一种副链路SL上的定位装置，所述装置包括：发送模块，用于发送SL参考信号；其中，所述SL参考信号用于以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一个所述第二终端之间的距离。
第四方面，提供了一种副链路SL上的定位装置，所述装置包括：接收模块，用于接收第一终端发送的SL参考信号；测量模块，用于根据所述SL参考信号执行以下至少一项：确定第一终端的位置；确定第一终端与所述第二终端之间的相对位置；确定所述第二终端的位置；确定第一终端与所述第二终端之间的距离。
第五方面，提供了一种终端，该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第六方面，提供了一种网络侧设备，该网络侧设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第七方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第八方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通 信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现如第一方面所述的方法的步骤，或实现如第二方面所述的方法的步骤。
第九方面，提供了一种计算机程序产品，该计算机程序产品包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤，或实现如第二方面所述的方法的步骤。
在本申请实施例中，第一终端通过发送SL参考信号，所述SL参考信号用于以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一个所述第二终端之间的距离，由此，能够实现SL上的终端定位，进而适应V2X业务中涉及的终端定位业务。
附图说明
图1是本申请一示例性实施例提供的无线通信系统的示意图。
图2是本申请一示例性实施例提供的SL上的定位方法的流程示意图。
图3是本申请一示例性实施例提供的SL上的定位方法的流程示意图。
图4是本申请一示例性实施例提供的频域资源分配方式示意图。
图5a、图5b、图5c、图5d、图5e、图5f分别是本申请一示例性实施例提供的目标图样示意图。
图6a、图6b、图6c、图6d、图6e、图6f、图6g、图6h、图6i分别是本申请另一示例性实施例提供的目标图样示意图。
图7是本申请一示例性实施例提供的SL上的定位方法的流程示意图。
图8a、图8b分别是本申请一示例性实施例提供的SL上的定位方法应用场景示意图。
图9是本申请又一示例性实施例提供的SL上的定位方法的流程示意图。
图10是本申请又一示例性实施例提供的SL上的定位方法的流程示意图。
图11是本申请一示例性实施例提供的SL上的定位装置的方框结构示意 图。
图12是本申请另一示例性实施例提供的SL上的定位装置的方框结构示意图。
图13是本申请一示例性实施例提供的终端的方框结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，尽管这些技术也可应用于NR系统应用以外的应用，如 第6代(6 th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11也可以称作终端设备或者用户终端，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)车辆、路灯或车载设备(VUE)、行人终端(PUE)等终端侧设备，可穿戴式设备包括：手环、耳机、眼镜等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例，但是并不限定基站的具体类型。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的技术方案进行详细地说明。
如图2所示，为本申请一示例性实施例提供的SL上的定位方法200的流程示意图，该方法200可由第一终端执行，具体可由安装于所述第一终端上的软件和/或硬件执行，所述方法可以包括如下步骤。
S210，发送SL参考信号。
其中，所述SL参考信号可用于实现V2X场景下的终端定位，如终端之间的相对定位或绝对定位等。在本实施例中，所述SL参考信号可用于以下(1)-(4)中至少一项。
(1)确定所述第一终端的位置。
(2)确定所述第一终端与至少一个所述第二终端之间的相对位置。
(3)确定至少一个所述第二终端的位置。
(4)确定所述第一终端与至少一个所述第二终端之间的距离。
前述(1)-(4)中，可以是由发送所述SL参考信号的第一终端根据所述SL参考信号确定，也可以是由接收或调度所述SL参考信号的第二终端根据所述SL参考信号确定，在此不做限制。另外，所述第一终端在发送所述SL参考信号时，根据V2X下的定位需求或定位场景的不同，所述第一终端可以采用单播、组播或者广播的方式实现所述SL参考信号的发送。
需要的注意的是，根据V2X下的定位需求或定位场景的不同，所述第一终端可以作为用于发送所述SL参考信号的发送终端，也可以作为接收其他终端发送的SL参考信号的接收终端，还可以作为调度其他终端发送或接收所述SL参考信号的调度终端，也就是，根据V2X或IIoT下的定位需求或定位场景的不同，所述第一终端可作为不同的角色实现定位业务，所述第二终端与所述第一终端类似，在此不再赘述。
本实施例中，所述第一终端通过发送SL参考信号，所述SL参考信号用于以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一个所述第二终端之间的距离，由此，能够实现SL上的终端定位，适应V2X或IIoT场景下的终端定位业务需求。
如图3所示，为本申请一示例性实施例提供的SL上的定位方法300的流程示意图，该方法300可由第一终端执行，具体可由安装于所述第一终端上的软件和/或硬件执行，所述方法300可以包括如下步骤。
S310，根据第一内容发送SL参考信号。
其中，所述第一内容包括以下(1)-(4)中至少一项。
(1)第一调度请求。
其中，所述第一调度请求指示网络侧设备(如基站、核心网设备等)调 度所述SL参考信号。例如，指示网络侧设备调度第一终端发送所述SL参考信号。
(1)第二调度请求。
其中，所述第二调度请求指示第三终端调度所述SL参考信号，如指示第三终端调度第一终端发送所述SL参考信号。其中，所述第三终端可以与前述的第二终端相同，也可以不同，在此不做限制。
(2)预配置需求。
其中，所述预配置需求可以是定位需求、测距需求、防碰撞需求、收费需求等业务需求。又或者，所述预配置需求还可以是业务需求、定位请求命令等。
一种实现方式中，所述预配置的需求可以由终端或网络侧设备配置，或者由协议规定，在此不做限制。
另一种实现方式中，所述预配置需求可以在特定条件下触发发送SL信号，如开启自动驾驶、智能物流等。
(3)预配置的资源配置。
与前述的预配置需求类似，所述预配置的资源配置可以由终端或网络侧设备配置，或者由协议规定，在此不做限制。
一种实现方式中，所述资源配置可以包括发送所述SL参考信号所涉及的时域资源、频域资源、空域资源等，本实施例在此不做限制。
另一种实现方式中，所述预配置资源为提前预留的资源。
又一种实现方式中，所述预配置资源为满足发送SL参考信号的资源。
(4)预定指示。
其中，所述预定指示可以通过但不限于副链路控制信息(Sidelink Control Information，SCI)、下行控制信息(Downlink Control Information，DCI)等实现，本实施例不做限制。
可以理解的是，在前述(1)-(4)中，根据所述第一内容的不同，S310的实现过程有所不同，例如，在所述第一内容包括第一调度请求时，所述根 据第一内容发送SL参考信号，包括：根据所述第一调度请求发送SL参考信号。又例如，在所述第一内容包括第一调度请求和预配置的资源配置的情况下，所述根据第一内容发送SL参考信号，包括：根据所述第一调度请求和预配置的资源配置发送SL参考信号。
需要说明的是，S310中所述的SL参考信号的实现过程除可参照前述S210中的描述之外，作为一种可能的实现方式，所述SL参考信号满足以下(1)-(5)中至少之一。
(1)所述SL参考信号的发送位置超出第一SL资源范围。
其中，所述第一SL资源可以包括SL带宽部分(Bandwidth Part，BWP)、SL资源池、SL传输信道等。
应注意，所述SL参考信号的发送位置还可以与所述第一SL资源范围没有对应关系，如所述SL参考信号的可以独立于第一SL资源发送，在此不做限制。
(2)所述SL参考信号的发送位置通过第一SCI或第一DCI指示。
其中，所述第一SCI包括1级SCI和/或2级SCI。
(3)所述SL参考信号的发送状态通过第一SCI或第一DCI指示。
其中，前述(2)和(3)中，所述SL参考信号的发送位置、发送状态可以基于第一SCI或第一DCI指示进行静态指示或动态指示，本实施例对此不做限制。
(4)所述SL参考信号为具有目标图样的参考信号。
其中，关于所述目标图样可参照后续对关于图样特征的描述，在此不再赘述。
(5)所述SL参考信号的发送状态与第一指定信息相关，所述第二指定信息包括优先级信息、资源池信息、信道忙率(Channel Busy Ratio，CBR)、信道占用率(Channel Occupancy Ratio，CR)、服务质量(QOS)参数、终端通信范围(communication range)、传输类型(如单播、组播或广播等)、终端类型(如VUE、PUE、收费站、货位标识、路灯等)中的至少一个。
另一种实现方式中，在所述第一终端根据所述第一调度请求或所述第二调度请求发送所述SL参考信号的情况下，所述SL参考信号满足以下(1)-(5)中至少之一。
(1)所述SL参考信号的调度位置超出第一SL资源范围。
其中，所述第一SL资源可以包括SL BWP、SL资源池、SL传输信道等。假设所述第一SL资源为SL BWP，那么，所述SL参考信号的调度位置可以超出第一SL资源范围，或者所述SL参考信号的调度位置覆盖第一SL资源范围，或者SL参考信号的调度位置小于第一SL资源范围，本实施例在此不做限制。
应注意，所述SL参考信号的调度位置还可以与所述第一SL资源范围没有对应关系，如所述SL参考信号的可以独立于第一SL资源调度。
(2)所述SL参考信号的调度位置通过第二SCI或第二DCI指示。
例如，所述SL参考信号可以通过第二SCI或第二DCI中的第N1-N2个符号进行固定位置调度，应注意，前述第N1-N2个符号应该与SCI、DMRS、PSFCH不冲突，以确保通信质量。
另外，所述固定位置调度还可以表示，通过N1-N2符号指示SL参考信号相对于第二SCI或第二DCI的调度偏移，所述1-N2符号可以指示具体的偏移值，也可以指示其为配置的偏移值中的一个。
又例如，以所述第二SCI为例，假设SCI可以包括一级(1nd)SCI和/或二级(2nd)SCI，那么，通过1ST SCI指示是否包括SL参考信号的调度，或者通过2nd SCI指示SL参考信号的时频位置、调度偏移之一。
(3)所述SL参考信号对应的目标图样通过第三SCI或第三DCI指示。
在一个可能的实施例中，存在多个目标图样(或者多个类型)，第二SCI或第二DCI指示采用哪个目标图样(或者哪个类型))。其中，关于所述目标图样可参照后续关于图样特征的描述，在此不再赘述。
(4)所述SL参考信号的调度状态通过第四SCI或第四DCI指示。
可以理解，前述的第一SCI、第二SCI、第三SCI、第四SCI可以相同或 不同，前述的第一DCI、第二DCI、第三DCI、第四DCI可以相同或不同，在此不做限制，另外，(3)和(4)中指示目标图样和调度状态的指示方式可参照前述(2)中的描述，在此不再赘述。
(5)所述SL参考信号的调度状态与第二指定信息相关，所述第二指定信息包括所述SL参考信号或其他信号、信道的优先级信息、资源池信息、信道忙率、信道占用率、QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
例如，若信道占用率高于一定的阈值，SL参考信号则不能被调度；又例如，终端通信范围高于一定的阈值，SL参考信号则不能被调度。
可以理解的是，本实现方式中，(1)-(5)的相关描述可参照前述实现方式的描述，为避免重复，在此不再赘述。
进一步，在前述内容的基础上，为了进一步确保SL上的定位结果的可靠性，下面将从所述SL参考信号对应的序列特征、频域特征、时域特征、符号特征、信号图样特征、所述SL参考信号包括的参考对象等多个方面对所述SL参考信号的参数配置进行说明。
1、序列特征
其中，所述SL参考信号的序列特征中可承载有以下(1)-(6)中至少之一。
(1)第四指定信息，所述第四指定信息包括用户识别信息(如一个或多个的用户的识别信息)、用户组识别信息、用户时间信息、用户时间源信息、信号加扰信息、循环冗余校验(Cyclic redundancy check，CRC)信息中的至少一个。
(2)第五指定信息，所述第五指定信息包括循环位移、循环位移对、循环位移组中的至少一个。
其中，所述循环移位值可以为(0，……，4)，或(0，……，8)。一种实现方式中，选定的comb可以对应不同的循环位移，如(comb8，循环位移0)、comb8，循环位移1)、(comb8，循环位移2)、……、(comb8，循 环位移8)；或者，不同的comb对应不同的最大循环位移，如(comb8，最大循环位移6)、(comb12，循环位移4)、(comb4，循环位移12)、……、(comb1，循环位移48)。
(3)第六指定信息，所述第六指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、带宽部分(BWP)信息中的至少一个。
(4)第七指定信息，所述第七指定信息包括参考对象识别信息，所述参考对象包括参考信号或参考信号集。例如，所述参考对象识别信息可以是所述参考对象的标识信息，如资源识别或资源集标识等。
(5)指定资源信息，所述指定资源信息为发送所述SL参考信号所使用的资源信息。其中，所述指定资源信息可以包括发送所述SL参考信号的发送时机信息，如子帧、符号、帧号、通用时间(Coordinated Universal Time，UTC)等。
可以理解，在SL中，可以包括物理资源、可用于SL的资源(如预设的所有SL资源池的时域合集)、SL逻辑资源(如预设的一个资源池中的SL的资源)。基于此，本实施例所给出的所述指定资源信息可以是SL的资源信息或SL的逻辑资源信息。
(6)指定终端的地理位置信息，所述指定终端包括所述第一终端和/或所述第二终端。其中，所述地理位置信息可以是所述指定终端所处的经纬度信息、海拔信息、楼层信息、环境信息、信标标识(beacon ID)等。
2、图样(pattern)特征
其中，所述SL参考信号可以包括至少一个目标图样，每个所述目标图样可具有预定的参考信号图样。
示例性，假设SL参考信号为SRS，如图5a、图5b、图5c、图5d、图5e、5f所示，以及如图6a、图6b、图6c、图6d、图6e、6f、6g所示，分别为本实施例给出的SRS的部分图样示例，应注意，所述图示仅为部分可能图样，所述符号位置可以调整，所述资源单元(RE)起始位置也可以调整。此 外，在所述SL参考信号为其他信号时，所述其他信号的图样可参照前述SRS图样的描述，在此不再赘述。
一种实现方式中，所述目标图样对应的目标图样特征与以下至少之一具有对应关系：所述SL参考信号对应的密度、码分复用(CDM)类型、端口数、梳状(Comb)值、符号数目、资源单元(RE)偏移、SL符号类型、符号位置、带宽、定位需求、序列特征、传输信道、传输资源、资源池以及BWP。
其中，所述带宽可以包括物理副链路共享信道(Physical SideLink Shared Channel，PSSCH)的带宽、资源池(resource pool)带宽、BWP的带宽、定位频率层的带宽中的至少之一。
另一种实现方式中，所述目标图样特征可参照预定自动增益控制(Automatic Gain Control，AGC)方式确定。例如，所述预定AGC方式包括以下(1)-(4)至少之一。
(1)对所述SL参考信号中的指定符号重复(repetition)K次，K>1。
其中，可对单个或多个符号进行repetition，例如图6i所示，应注意，图6i中表示非连续符号图样。
(2)控制所述SL参考信号中的符号数目大于1，例如图5a、图5b、图5c、图5d所示。
其中，采用定位符号大于1，若为需要AGC的位置，前一个符号或N/2个符号用于AGC；若不需要调控场景，均可以用于位置测量。
(3)所述SL参考信号发送于第八指定信息之后，所述第八指定信息包括2级SCI、解调参考信号(Demodulation Reference Signal，DMRS)和相位跟踪参考信号(Phase-tracking reference signal，PTRS)中的至少之一。
需要注意，在前述(3)中，将所述SL参考信号发送于第八指定信息之后，相当于通过其他信号或信道(如第八指定信息)进行AGC调控。
(4)配置测量间隔(gap)。
其中，通过配置测量间隔的方式实现了对所述目标图样特征的AGC调控，即在SL参考信号之前没有信号或数据的发送。
3、频域特征
其中，参阅图4，所述SL参考信号对应的目标频域信息可以包括子载波间隔(SCS)、起始RE偏移信息、带宽中的至少一个。一种实现方式中，所述目标频域信息可根据以下(1)-(10)至少之一确定。
(1)带宽部分的配置信息。
其中，所述BWP的配置信息的可由终端或网络侧设备配置，或者由协议规定，本实施例中，目标频域信息根据所述BWP的配置信息确定，包括以下(a)-(n)中任意一项。
(a)所述SL参考信号中的每个BWP的配置信息。
(b)所述SL参考信号的起点等于所述BWP的起点。
(c)所述SL参考信号的起点大于所述BWP的起点。
(d)所述SL参考信号的频域范围位于所述BWP内。
(e)所述SL参考信号的频域范围小于所述BWP的频域范围。
(f)所述SL参考信号的频域范围等于所述BWP的频域范围。
(g)所述SL参考信号的子载波间隔与所述BWP的子载波间隔相同。
(h)所述SL参考信号的子载波间隔是所述BWP的子载波间的整数倍。
(i)所述SL参考信号的波束(Beam)与所述BWP关联的Beam一致。
(j)所述SL参考信号的起始符号为所述BWP的符号起始位置。
(k)所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述BWP的符号起始位置具有固定偏移。
(l)所述SL参考信号的符号长度小于所述BWP的符号长度。
(m)所述SL参考信号的符号长度等于所述BWP的符号长度。
(n)所述SL参考信号的优先级信息根据所述BWP的优先级信息确定。
(2)资源池的配置信息。
示例性的，所述目标频域信息根据所述资源池的配置信息确定，包括以下(a)-(n)中任意一项。
(a)所述SL参考信号中的每个资源池的配置信息。
(b)所述SL参考信号的起点等于所述资源池的起点。
(c)所述SL参考信号的起点大于所述资源池的起点。
(d)所述SL参考信号的频域范围位于所述资源池内。
(e)所述SL参考信号的频域范围小于所述资源池的频域范围。
(f)所述SL参考信号的频域范围等于所述资源池的频域范围。
(g)所述SL参考信号的子载波间隔与所述资源池的子载波间隔相同。
(h)所述SL参考信号的子载波间隔是所述资源池的子载波间的整数倍。
(i)所述SL参考信号的Beam与所述资源池关联的Beam一致。
(j)所述SL参考信号的起始符号为所述资源池的符号起始位置。
(k)所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述资源池的符号起始位置具有固定偏移。
(l)所述SL参考信号的符号长度小于所述资源池的符号长度。
(m)所述SL参考信号的符号长度等于所述资源池的符号长度。
(n)所述SL参考信号的优先级信息根据所述资源池的优先级信息确定。
(3)传输信道信息。
示例性的，所述目标频域信息根据所述传输信道信息确定，可以包括以下(a)-(n)中任意一项。
(a)所述SL参考信号中的每个传输信道的配置信息。
(b)所述SL参考信号的起点等于所述传输信道的起点。
(c)所述SL参考信号的起点大于所述传输信道的起点。
(d)所述SL参考信号的频域范围位于所述传输信道内。
(e)所述SL参考信号的频域范围小于所述传输信道的频域范围。
(f)所述SL参考信号的频域范围等于所述传输信道的频域范围。
(g)所述SL参考信号的子载波间隔与所述传输信道的子载波间隔相同。
(h)所述SL参考信号的子载波间隔是所述传输信道的子载波间的整数倍。
(i)所述SL参考信号的Beam与所述传输信道关联的Beam一致。
(j)所述SL参考信号的起始符号为所述传输信道的符号起始位置。
(k)所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述传输信道的符号起始位置具有固定偏移。
(l)所述SL参考信号的符号长度小于所述传输信道的符号长度。
(m)所述SL参考信号的符号长度等于所述传输信道的符号长度。
(n)所述SL参考信号的优先级信息根据所述传输信道的优先级信息确定。
(4)目标频域起点信息。
其中，所述目标频域起点为目标起点，和/或，相对于目标起点进行固定频域偏移后的频域位置以下至少之一，其中，所述目标起点包括BWP起点、资源池频域起点、传输信道起点、绝对频域位置中的任一项，所述固定频域偏移的偏移值可由终端或网络侧配置，或协议规定，本实施例对此不做限制。
(5)目标频域偏移信息。
其中，所述目标频域偏移可根据频域粒度、目标频域起点、所述SL参考信号的符号信息中的至少之一确定。
(6)所述SL参考信号的符号信息。例如，不同的符号，目标频域偏移信息不同，又例如，不同的符号数目，每个符号的目标频域偏移信息不同。
(7)第九指定信息，所述第九指定信息包括同步信号块(SSB)、PTRS、DMRS和信道状态信息-参考信号(CSI-RS)中的至少一个。
(8)所述SL参考信号对应的目标信号组的信息。例如，不同的目标信号组，对应的目标频率信息不同；相同的目标信号组，对应的目标频率信息相同。也可以理解为对目标信号组配置一次，即目标信号组内使用相同的配置。
(9)所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集。例如，不同的参考对象，对应的目标频率信息不同。也可以理解为对每个参考对象配置一次，即参考对象内使用相同的配置。
(10)预定频率范围。
其中，假设所述预定频率为BWP，那么，所述SL参考信号对应的目标 频域信息根据所述预定频率范围确定包括：SL参考信号对应的频域位置超出所述预定BWP范围，或者，SL参考信号对应的频域位置小于所述预定BWP范围，SL参考信号对应的频域位置覆盖所述预定BWP范围，或者，所述SL参考信号对应的频域位置与预定BWP范围之间没有对应关系。
4、时域特征
其中，所述SL参考信号对应的目标时域信息可以包括发送时机、发送时间间隔、预定时长内的发送数量中的至少一个。
一种实现方式中，所述目标时域信息可以根据以下(1)-(12)至少之一确定。
(1)BWP的配置信息。
其中，所述BWP的配置信息可以包括BWP范围、BWP偏移量信息、BWP ID、SL配置信息、探测参考信号(Sounding Reference Signal，SRS)配置信息等。
(2)资源池的配置信息。
其中，所述资源池的配置信息可以包括资源池ID、传输信道配置信息、SL同步信息、SL起始资源块(Resource Block，RB)信息、SL时间信息、SL信号信息、SL窗口信息、SL功率信息等。
(3)传输信道配置信息。
其中，所述传输信道配置信息可以包括传输信道起始位置等。
(4)SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的任意一个。
(5)预定监控窗内的指定信号，所述指定信号包括RSRP、RSRQ、SN)、RSSI、CR、CBR中的至少一个。
(6)目标时域起点信息。其中，所述目标频域起点信息可以是BWP的起点、资源池的起点、传输信道的起点、绝对时间、系统帧号(SFN)、时隙(slot)时间的任意一个；也可以是相对于BWP的起点、资源池的起点、传输信道的起点、绝对时间、SFN、slot时间的偏移时间。
(7)目标时域偏移信息。其中，所述目标频域偏移信息可以是相对于起点的偏移时间，也可以是SL参考信号的持续时间。
(8)所述SL参考信号的符号信息。其中，该符号信息可以是符号编号，也可是符号数目、符号长度、符号起始或终止位置等。
(9)所述SL参考信号中包括的目标图样信息。
其中，所述目标图样可参照图5a、5b、5b等中的描述。
(10)所述SL参考信号对应的目标信号组的信息。例如，不同的目标信号组，对应的目标时域信息不同；相同的目标信号组，对应的目标时域信息相同。也可以理解为每个标信号组配置，即目标信号组内使用相同的配置。
(11)所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集。
其中，所述参考对象的信息可以是参考信号资源标识、参考信号资源集标识、资源分配信息、空间方向信息、功率信息、发送时机信息、发送用户信息、接收用户信息等，本实施例在此不做限制。
(12)SL非连续接收(Discontinuous Reception，DRX)配置信息。
其中，在一个实施例中，若周期小于DRX的周期，则按照DRX周期发送，如果周期大于DRX的周期，按照DRX周期发送。在另一个实施例中，SL参考信号的发送与DRX无关。
此外，应注意的是，所述目标时域信息还可以与第十一指定信息的时域位置信息不同，所述第十一指定信息包括2级SCI、DMRS、PTRS中的至少一个。
5、符号特征
其中，所述SL参考信号中包括的符号满足以下(1)-(9)至少之一。
(1)各所述符号之间的频域偏移量相同。
(2)各所述符号之间的时域偏移量相同。
(3)各所述符号形成的符号序列呈阶梯状或梳状。
(4)各所述符号的时域相对偏移量按照第一预定规则确定。
其中，所述第一预定规则可以是各所述符号的时域相对偏移量可以按照预配置的梳状结构设置、可以相同、也可以随机化设置、还可以与comb或符号位置或编号有对应关系，本实施例对此不做限制。
(5)各所述符号的频域起始偏移量按照第二预定规则确定。
其中，所述第二预定规则与所述第一预定规则类似，在此不再赘述。
例如，时域其起始位置只放在0248符号上、频域起始位置只放在0123、0231等处，在此不做做限制。
(6)各所述符号的相对偏移量不大于所述SL参考信号对应的comb数。一种可能的实施例中，各所述符号的相对偏移量为0。
(7)各所述符号的相对偏移量不大于所述SL参考信号中的总符号数。
(8)所述SL参考信号的符号数与参考对象识别信息对应，所述参考对象包括参考信号或参考信号资源集。
(9)目标符号的符号信息与第十指定信息对应，所述目标符号的符号信息包括所述SL参考信号中的符号数和所述目标符号的符号偏移量，所述第十指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、BWP中的至少一种。
6、参考对象
其中，根据实际定位需求的不同，所述SL参考信号中包括不同的信息，例如，所述SL参考信号可以包括至少一个参考对象的信息，所述参考对象包括参考信号资源或参考信号资源集。其中，所述参考对象的信息包括以下(1)-(5)至少之一。
(1)参考对象识别信息。例如，所述参考信号资源标识、参考信号资源集标识等。
(2)第三指定信息，所述第三指定信息包括资源分配信息、空间方向信息、功率信息、发送时机、发送用户和接收用户的至少之一。
(3)指定终端的地理位置信息，所述指定终端包括第一终端和/或第二终端。
其中，根据指定终端的不同，可以理解为所述第一终端发送SL参考信号与和指定地理位置信息有对应关系，或者第二终端测量所述SL参考信号和指定地理位置信息有对应关系。
本实施例中，如果只对某个距离范围内进行定位计算或测量，那么，所述地理位置信息可以包括区域(zone)信息、经纬度信息、海拔信息、通信范围信息、小区信息等。
(4)指定同步信息，所述指定同步信息包括同步参考信号和/或同步资源。
其中，在所述参考对象的信息包括指定同步信息的情况下，可以理解为：需要对具有相同的同步参考信息的终端(或用户)进行定位测量、计算。
(5)时间戳信息，所述时间戳信息包括绝对时间、通用时间、帧号、相对时间信息的至少一个。
需要注意的，基于前述1-6中描述所述SL参考信号的配置信息，能够有效确保在基于所述SL参考信号进行终端定位时的可靠性。一种实现方式，所述SL参考信号可以同时具有前述1-6中的至少一个配置，也就是，所述SL参考信号可同时具有前述序列特征、频域特征、时域特征、符号特征、信号图样特征、参考对象中的一个或多个，本实施例对此不做限制。
如图7所示，为本申请一示例性实施例提供的SL上的定位方法700的流程示意图，该方法700可由第一终端执行，具体可由安装于所述第一终端上的软件和/或硬件执行，所述方法700可以包括如下步骤。
S710，发送SL参考信号。
其中，S710的实现过程除了参照前述各方法实施例中的描述之外，作为一种可能的实现方式，所述发送SL参考信号，还可以包括以下(1)-(4)至少之一。
(1)所述SL参考信号与目标SCI一起发送。
其中，所述目标SCI包括1级SCI和/或2级SCI。
本实施例中，所述目标SCI中可携带有以下(a)-(d)至少之一。
(a)所述SL参考信号的配置信息。
其中，所述配置信息可以是所受SL参考信号对应的第一资源信息、第一周期信息、终端识别信息、第一时域信息、第一功率信息和第一空间信息，或者，所述SL参考信号对应的序列特征、频域特征、时域特征、符号特征、信号图样特征等。
(b)所述SL参考信号的辅助信息。
其中，所述辅助信息可以是发送SL信号的终端标识、发送SL信号的终端位置、接收SL参考信号的终端标识、发送SL信号的终端位置的至少之一。
(c)所述SL参考信号的测量请求信息。
(d)所述SL参考信号的测量请求信息。
(2)所述SL参考信号与目标SSB一起发送。
一种实现方式中，所述SL参考信号中的以下(a)-(d)至少之一与目标SSB对应。
(a)目标频域信息。
(b)目标时域信息。
(c)信号序列信息。
(d)信号同步信息。
(3)所述SL参考信号与目标传输信道一起发送。
一种实现方式中，所述SL参考信号中的以下(a)-(d)至少之一与目标传输信道对应。
(a)目标频域信息。
(b)目标时域信息。
(c)信号序列信息。
(d)信号同步信息。
(4)所述SL参考信号单独发送。
例如，所述SL参考信号可以独立于SCI或其他信号/信道发送。
进一步，根据定位需求/场景的不同，所述SL参考信号可以包括至少一 个目标信号组对应的参考信号，假设定位场景如图8a所示，那么，可以理解一个目标信号组对应一个车队的信号。
本实施例中，所述目标信号组可以满足以下(1)-(5)中任意一项。
(1)不同的所述目标信号组对应不同的目标信号组的标识。
(2)不同的所述目标信号组对应不同的参考对象，所述参考对象包括参考信号或参考信号集。
(3)不同的所述目标信号组映射不同的资源池。
(4)不同的所述目标信号组对应不同的定位需求。
(5)不同的所述目标信号组对应不同的参考信号类型。
其中，所述参考信号类型可以包括第一类型SL参考信号、第二类型SL参考信号和第三类型SL参考信号中的至少之一。
(a)所述第一类型SL参考信号中可携带有广播标识ID(如小区ID、扰码ID等)或/和类型ID。用于对VUE、PUE等进行相对定位，以实现防碰撞等目的，在此情况下，所述第一类型SL参考信号中携带的类型ID是用于区分发送所述SL参考信号的类型，而无需区分终端是谁。需要注意，所述类型ID可以为预先定义或分配的。
示例性的，请结合参阅图8a，在此场景下，RSU发送SL参考信号，VUE根据接收到的SL参考信号判定其与收费或碰撞终端之间的距离，在可测距离达标时，停车。
其中，RSU发送的SL参考信号，可以让VUE识别是该类型的RSU即可。若是车辆发送信号，则需要可识别车辆ID，并伴有反馈。
另外，在图8b所示场景下，所涉及的资源配置方式可以包括：由网络侧设备预先配置资源、第一终端随机或者抢占资源发送SL参考信号。关于其涉及的频域资源和时域资源可参照前述描述，在此不再赘述。
又比如，在IIoT场景中，智能货位存储中，或者智能小车返回充电灯，也可以采用此方法。
(b)所述第二类型SL参考信号中携带有组ID。其中，所述第二类型 SL参考信号可用于组播，以识别组内用户的相对位置，在此情况下，所述第二类型SL参考信号中携带的组ID用于唯一识别同组的不同用户。
应注意，同组的不同用户的SL参考信号的资源可根据预配置、预定义、组ID、组内ID进行划分。
示例性，请结合参阅图8b，以行驶的三个车队(对应三个目标信号组)为例，所述第二类型SL参考信号可用于确定车队内的各车辆之间的相对位移，其中，所涉及的资源配置方式可以包括：1、由网络侧设备进行配置，2、由网络侧预配置+指定位置的终端资源分配，所述指定位置的终端可以是第一个终端、中间一个终端、最后一个终端或其他任意位置的终端等。例如，可以由指定位置的UE进行资源需求和定位需求上报、多短资源可以被分配(发送和反馈)、第一终端需要抢占reserve资源(包括第二终端的)。
(c)所述第三类型SL参考信号中携带有终端ID或/和信号ID。其中，所述第三类型SL参考信号可用于单播，其上可携带的终端ID或/和信号ID用于用户识别。
示例性的，所述第三类型SL参考信号可以应用于AGV(automated guided vehicle)、Drone、车辆共享等需要唯一识别的场景，在进行资源配置时，可由网络侧设备实现资源配置，如配置给需要救援的终端。
本实施例中吗，通过定义不同类型的SL参考信号，能够进一步提高终端定位结果的可靠性，适应V2X下的定位需求。
如图9所示，为本申请一示例性实施例提供的SL上的定位方法900，所述方法900可由第二终端执行，具体可由安装于所述第二终端中的软件和/或硬件执行，所述方法900可以包括如下步骤。
S910，接收第一终端发送的SL参考信号。
S920，根据所述SL参考信号执行预定操作，所述预定操作包括以下(1)-(4)至少一项。
(1)确定第一终端的位置。
(2)确定第一终端与所述第二终端之间的相对位置。
(3)确定所述第二终端的位置。
(4)确定第一终端与所述第二终端之间的距离。
本实施例中，第二终端根据接收到的SL参考信号执行以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一个所述第二终端之间的距离，由此，能够实现SL上的终端定位，适应V2X场景下的终端定位业务需求。
如图10所示，为本申请一示例性实施例提供的SL上的定位方法1000，所述方法1000可由第二终端执行，具体可由安装于所述第二终端中的软件和/或硬件执行，所述方法1000可以包括如下步骤。
S1010，根据第二内容接收SL参考信号，其中，所述第二内容包括以下(1)-(5)至少之一。
(1)第三调度请求，所述第三调度请求指示网络侧设备调度接收所述SL参考信号。
(2)第四调度请求，所述第三调度请求指示第三终端调度接收所述SL参考信号。
(3)预配置需求。
(4)预配置的资源配置。
(5)预定指示。
S1020，根据所述SL参考信号执行预定操作。
其中，S1010和S1020的实现过程除可参照前述方法实施例中的相关描述之外，作为一种可能的实现方式，所述SL参考信号满足以下(1)-(5)中至少之一。
(1)所述SL参考信号的接收位置独立。
(2)所述SL参考信号的接收位置通过第五SCI或第五DCI指示。
其中，所述五SCI与前述的第一SCI可以相同，也可以不同，所述第五DCI与前述的第一DCI可以相同，也可以不同，本实施例在此不做限制。
(3)所述SL参考信号为具有目标图样的参考信号。
(4)所述SL参考信号的接收状态通过第一SCI或第一DCI指示。
(5)所述SL参考信号的接收状态与第一指定信息相关，所述第一指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
另一种实现方式时，在根据所述第一调度请求或所述第二调度请求接收所述SL参考信号的情况下，所述SL参考信号满足以下(1)-(5)中至少之一。
(1)所述SL参考信号的调度位置超出第一SL资源范围。
(2)所述SL参考信号的调度位置通过第二SCI或第二DCI指示。
(3)所述SL参考信号对应的目标图样通过第三SCI或第三DCI指示。
(4)所述SL参考信号的调度状态通过第四SCI或第四DCI指示。
应注意的是，前述(2)-(4)中所述的第二SCI、第三SCI、第四SCI与前述方法实施例300中所述的第二SCI、第三SCI、第四SCI可以对应相同，也可以不同，类似的，前述(2)-(4)中所述的第二DCI、第三DCI、第四DCI与前述方法实施例300中所述的第二DCI、第三DCI、第四DCI可以对应相同，也可以不同，本实施例在此不做限制。
(5)所述SL参考信号的调度状态与第二指定信息相关，所述第二指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
在前述内容的基础上，下面将从所述SL参考信号对应的序列特征、频域特征、时域特征、符号特征、信号图样特征多个方面对所述SL参考信号的参数配置进行说明。
1、序列特征
所述SL参考信号的序列特征中可承载有以下至少之一：
(1)第四指定信息，所述第四指定信息包括用户识别信息、用户组识别信息、用户时间信息、用户时间源信息、信号加扰信息、循环冗余校验CRC 信息中的至少一个。
(2)第五指定信息，所述第五指定信息包括循环位移、循环位移对、循环位移组中的至少一个。
(3)第六指定信息，所述第六指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、带宽部分BWP信息中的至少一个。
(4)第七指定信息，所述第七指定信息包括参考对象识别信息，所述参考对象包括参考信号或参考信号集。
(5)指定资源信息，所述指定资源信息为所述SL参考信号所使用的资源信息。
(6)指定终端的地理位置信息，所述指定终端包括所述第一终端和/或所述第二终端。
2、图样特征
所述SL参考信号包括至少一个目标图样(pattern)。
一种实现方式中，所述目标图样对应的目标图样特征与以下至少之一具有对应关系：所述SL参考信号对应的密度、码分复用类型、端口数、梳状值、符号数目、RE偏移、SL符号类型、符号位置、带宽、定位需求、序列特征、传输信道、传输资源、资源池以及BWP。
另一种实现方式中，所述目标图样特征参照预定自动增益控制AGC方式确定。例如，所述预定AGC方式包括以下(1)-(4)至少之一：
(1)对所述SL参考信号中的指定符号重复K次，K>1。
(2)控制所述SL参考信号中的符号数目大于1。
(3)所述SL参考信号发送于第八指定信息之后，所述第八指定信息包括2级SCI、解调参考信号和相位跟踪参考信号中的至少之一。
(4)配置测量间隔。
3、频域特征
所述SL参考信号对应的目标频域信息可以包括子载波间隔、起始RE偏 移信息、带宽中的至少一个。
一种实现方式中，所述目标频域信息可根据以下(1)-(10)至少之一确定。
(1)BWP的配置信息。
示例性的，所述目标频域信息根据所述BWP的配置信息确定，包括以下(a)-(n)中任意一项。
(a)所述SL参考信号中的每个BWP的配置信息。
(b)所述SL参考信号的起点等于所述BWP的起点。
(c)所述SL参考信号的起点大于所述BWP的起点。
(d)所述SL参考信号的频域范围位于所述BWP内。
(e)所述SL参考信号的频域范围小于所述BWP的频域范围。
(f)所述SL参考信号的频域范围等于所述BWP的频域范围。
(g)所述SL参考信号的子载波间隔与所述BWP的子载波间隔相同。
(h)所述SL参考信号的子载波间隔是所述BWP的子载波间的整数倍。
(i)所述SL参考信号的波束Beam与所述BWP关联的Beam一致。
(j)所述SL参考信号的起始符号为所述BWP的符号起始位置。
(k)所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述BWP的符号起始位置具有固定偏移。
(l)所述SL参考信号的符号长度小于所述BWP的符号长度。
(m)所述SL参考信号的符号长度等于所述BWP的符号长度。
(n)所述SL参考信号的优先级信息根据所述BWP的优先级信息确定。
(2)资源池的配置信息。
其中，所述目标频域信息根据所述资源池的配置信息确定，包括以下(a)-(n)中任意一项。
(a)所述SL参考信号中的每个资源池的配置信息。
(b)所述SL参考信号的起点等于所述资源池的起点。
(c)所述SL参考信号的起点大于所述资源池的起点。
(d)所述SL参考信号的频域范围位于所述资源池内。
(e)所述SL参考信号的频域范围小于所述资源池的频域范围。
(f)所述SL参考信号的频域范围等于所述资源池的频域范围。
(g)所述SL参考信号的子载波间隔与所述资源池的子载波间隔相同。
(h)所述SL参考信号的子载波间隔是所述资源池的子载波间的整数倍。
(i)所述SL参考信号的波束Beam与所述资源池关联的Beam一致。
(j)所述SL参考信号的起始符号为所述资源池的符号起始位置。
(k)所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述资源池的符号起始位置具有固定偏移。
(l)所述SL参考信号的符号长度小于所述资源池的符号长度。
(m)所述SL参考信号的符号长度等于所述资源池的符号长度。
(n)所述SL参考信号的优先级信息根据所述资源池的优先级信息确定。
(3)传输信道信息。
其中，所述目标频域信息根据所述传输信道信息确定，包括以下(a)-(n)中任意一项。
(a)所述SL参考信号中的每个传输信道的配置信息。
(b)所述SL参考信号的起点等于所述传输信道的起点。
(c)所述SL参考信号的起点大于所述传输信道的起点。
(d)所述SL参考信号的频域范围位于所述传输信道内。
(e)所述SL参考信号的频域范围小于所述传输信道的频域范围。
(f)所述SL参考信号的频域范围等于所述传输信道的频域范围。
(g)所述SL参考信号的子载波间隔与所述传输信道的子载波间隔相同。
(h)所述SL参考信号的子载波间隔是所述传输信道的子载波间的整数倍。
(i)所述SL参考信号的波束Beam与所述传输信道关联的Beam一致。
(j)所述SL参考信号的起始符号为所述传输信道的符号起始位置。
(k)所述SL参考信号的起始符号为第一预定符号，所述第一预定符号 相对于所述传输信道的符号起始位置具有固定偏移。
(l)所述SL参考信号的符号长度小于所述传输信道的符号长度。
(m)所述SL参考信号的符号长度等于所述传输信道的符号长度。
(n)所述SL参考信号的优先级信息根据所述传输信道的优先级信息确定。
(4)目标频域起点信息。
其中，所述目标频域起点为目标起点，和/或，相对于目标起点进行固定频域偏移后的频域位置以下至少之一，其中，所述目标起点包括BWP起点、资源池频域起点、传输信道起点中的任一项。
(5)目标频域偏移信息。
其中，所述目标频域偏移根据频域粒度、目标频域起点、所述SL参考信号的符号信息中的至少之一确定。
(6)所述SL参考信号的符号信息。
(7)第九指定信息，所述第九指定信息包括同步信号块SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的至少一个。
(8)所述SL参考信号对应的目标信号组的信息。
(9)所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集。
(10)预定频率范围。
4、时域特征
所述SL参考信号对应的目标时域信息可以包括发送时机、发送时间间隔、预定时长内的发送数量中的至少一个。一种实现方式中，所述目标时域信息可以根据以下(1)-(12)至少之一确定。
(1)BWP的配置信息。
(2)资源池的配置信息。
(3)传输信道配置信息。
(4)SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信 号中的任意一个。
(5)预定监控窗内的指定信号，所述指定信号包括参考信号接收功率、参考信号接收质量、信噪比、接收信号强度指示、信道占用率、信道忙率中的至少一个。
(6目标时域起点信息。
(7)目标时域偏移信息。
(8)所述SL参考信号的符号信息。
(9)所述SL参考信号中包括的目标图样信息。
(10)所述SL参考信号对应的目标信号组的信息。
(11)所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集。
(12)SL非连续接收(DRX)配置信息。
另一种实现方式中，所述目标时域信息与第十一指定信息的时域位置信息不同，所述第十一指定信息包括2级SCI、DMRS、PTRS中的至少一个。
5、符号特征
所述SL参考信号中包括的符号满足以下(1)-(9)至少之一。
(1)各所述符号之间的频域偏移量相同。
(2)各所述符号之间的时域偏移量相同。
(3)各所述符号形成的符号序列呈阶梯状或梳状。
(4)各所述符号的时域相对偏移量按照第一预定规则确定。
(5)各所述符号的频域起始偏移量按照第二预定规则确定。
(6)各所述符号的相对偏移量不大于所述SL参考信号对应的comb数。
(7)各所述符号的相对偏移量不大于所述SL参考信号中的总符号数。
(8)所述SL参考信号的符号数与参考对象识别信息对应，所述参考对象包括参考信号或参考信号资源集。
(9)目标符号的符号信息与第十指定信息对应，所述目标符号的符号信息包括所述SL参考信号中的符号数、符号位置和所述目标符号的符号偏移 量，所述第十指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、BWP中的至少一种。
6、参考对象
其中，根据实际定位需求的不同，所述SL参考信号中包括不同的信息，例如，所述SL参考信号可以包括至少一个参考对象的信息，所述参考对象包括参考信号资源或参考信号资源集。其中，所述参考对象的信息包括以下(1)-(5)中的至少之一。
(1)参考对象识别信息。
(2)第三指定信息，所述第三指定信息包括资源分配信息、空间方向信息、功率信息、发送时机、发送用户和接收用户的至少之一。
(3)指定终端的地理位置信息，所述指定终端包括第一终端和/或第二终端。
(4)指定同步信息，所述指定同步信息包括同步参考信号和/或同步资源。
(5)时间戳信息，所述时间戳信息包括绝对时间、通用时间、帧号、相对时间信息的至少一个。
进一步，作为一种可能的实现方式，所述接收SL参考信号，包括以下(1)-(4)至少之一。
(1)所述SL参考信号与目标SCI一起接收。
其中，所述目标SCI包括1级SCI和/或2级SCI。
本实施例中，所述目标SCI中可携带有以下(a)-(d)至少之一。
(a)所述SL参考信号的配置信息。
(b)所述SL参考信号的辅助信息。
(c)所述SL参考信号的测量请求信息。
(d)所述SL参考信号的测量请求信息。
(2)所述SL参考信号与目标SSB一起接收。
一种实现方式中，所述SL参考信号中的以下(a)-(d)至少之一与目标 SSB对应。
(a)目标频域信息。
(b)目标时域信息。
(c)信号序列信息。
(d)信号同步信息。
(3)所述SL参考信号与目标传输信道一起接收。
一种实现方式中，所述SL参考信号中的以下(a)-(d)至少之一与目标传输信道对应。
(a)目标频域信息。
(b)目标时域信息。
(c)信号序列信息。
(d)信号同步信息。
(4)所述SL参考信号单独接收。
例如，所述SL参考信号可以独立于SCI或其他信息/信道发送。
进一步，根据定位场景的不同，所述SL参考信号可以包括至少一个目标信号组对应的参考信号，所述目标信号组满足以下任意一项。
(1)不同的所述目标信号组对应不同的参考信号类型。
其中，根据不同的信号类型划分方式，所述参考信号类型不同。
例如，所述参考信号类型包括第一类型SL参考信号、第二类型SL参考信号和第三类型SL参考信号中的至少之一。其中，所述第一类型SL参考信号中携带有广播标识ID或/和类型ID；所述第二类型SL参考信号中携带有组ID；所述第三类型SL参考信号中携带有终端ID或/和信号ID。
(2)不同的所述目标信号组对应不同的目标信号组的标识。
(3)不同的所述目标信号组对应不同的参考对象，所述参考对象包括参考信号或参考信号集。
(4)不同的所述目标信号组映射不同的资源池。
(5)不同的所述目标信号组对应不同的定位需求。
需要说明的是，本实施例中所述的各实现方式的实现过程可参照前述方法200-1000中的相关藐视，为避免重复，本实施例在此不再赘述。
需要说明的是，本申请实施例提供的SL上的定位方法，执行主体可以为SL上的定位装置，或者，该SL上的定位装置中的用于执行SL上的定位方法的控制模块。本申请实施例中以SL上的定位装置执行SL上的定位方法为例，说明本申请实施例提供的SL上的定位装置。
如图11所示，为本申请一示例性实施例提供的SL上的定位装置1100的方框结构示意图，该装置1100包括：发送模块1110，用于发送SL参考信号；其中，所述SL参考信号用于以下至少一项：确定所述第一终端的位置；确定所述第一终端与至少一个所述第二终端之间的相对位置；确定至少一个所述第二终端的位置；确定所述第一终端与至少一个所述第二终端之间的距离。
一种可能的实现方式中，所述发送模块1110用于根据以下至少一项发送SL参考信号：第一调度请求，所述第一调度请求指示网络侧设备调度所述SL参考信号；第二调度请求，所述第二调度请求指示第三终端调度所述SL参考信号；预配置需求；预配置的资源配置；预定指示。
一种可能的实现方式中，所述SL参考信号满足以下至少之一：所述SL参考信号的发送位置超出第一SL资源范围；所述SL参考信号的发送位置通过第一副链路控制信息SCI或第一下行控制信息DCI指示；所述SL参考信号为具有目标图样的参考信号；所述SL参考信号的发送状态通过第一SCI或第一DCI指示；所述SL参考信号的发送状态与第一指定信息相关，所述第一指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
一种可能的实现方式中，在根据所述第一调度请求或所述第二调度请求发送所述SL参考信号的情况下，所述SL参考信号满足以下至少之一：所述SL参考信号的调度位置超出第一SL资源范围；所述SL参考信号的调度位置通过第二SCI或第二DCI指示；所述SL参考信号对应的目标图样通过第三SCI或第三DCI指示；所述SL参考信号的调度状态通过第四SCI或第四DCI 指示；所述SL参考信号的调度状态与第二指定信息相关，所述第二指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
一种可能的实现方式中，所述SL参考信号中包括至少一个参考对象的信息，所述参考对象包括参考信号资源或参考信号资源集；其中，所述参考对象的信息包括以下至少之一：参考对象识别信息；第三指定信息，所述第三指定信息包括资源分配信息、空间方向信息、功率信息、发送时机、发送用户和接收用户的至少之一；指定终端的地理位置信息，所述指定终端包括第一终端和/或第二终端；指定同步信息，所述指定同步信息包括同步参考信号和/或同步资源；时间戳信息，所述时间戳信息包括绝对时间、通用时间、帧号、相对时间信息的至少一个。
一种可能的实现方式中，所述SL参考信号包括至少一个目标信号组对应的参考信号，所述目标信号组满足以下任意一项：不同的所述目标信号组对应不同的参考信号类型；不同的所述目标信号组对应不同的目标信号组的标识；不同的所述目标信号组对应不同的参考对象，所述参考对象包括参考信号或参考信号集；不同的所述目标信号组映射不同的资源池；不同的所述目标信号组对应不同的定位需求。
一种可能的实现方式中，所述参考信号类型包括第一类型SL参考信号、第二类型SL参考信号和第三类型SL参考信号中的至少之一；其中，所述第一类型SL参考信号中携带有广播标识ID或/和类型ID；所述第二类型SL参考信号中携带有组ID；所述第三类型SL参考信号中携带有终端ID或/和信号ID。
一种可能的实现方式中，所述SL参考信号的序列特征中承载有以下至少之一：第四指定信息，所述第四指定信息包括用户识别信息、用户组识别信息、用户时间信息、用户时间源信息、信号加扰信息、循环冗余校验CRC信息中的至少一个；第五指定信息，所述第五指定信息包括循环位移、循环位移对、循环位移组中的至少一个；第六指定信息，所述第六指定信息 包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、带宽部分BWP信息中的至少一个；第七指定信息，所述第七指定信息包括参考对象识别信息，所述参考对象包括参考信号或参考信号集；指定资源信息，所述指定资源信息为发送所述SL参考信号所使用的资源信息；指定终端的地理位置信息，所述指定终端包括所述第一终端和/或所述第二终端。
一种可能的实现方式中，所述SL参考信号包括至少一个目标图样。
一种可能的实现方式中，所述目标图样对应的目标图样特征与以下至少之一具有对应关系：所述SL参考信号对应的密度、码分复用类型、端口数、梳状值、符号数目、RE偏移、SL符号类型、符号位置、带宽、定位需求、序列特征、传输信道、传输资源、资源池以及BWP。
一种可能的实现方式中，所述目标图样特征参照预定自动增益控制AGC方式确定。
一种可能的实现方式中，所述预定AGC方式包括以下至少之一：对所述SL参考信号中的指定符号重复K次，K>1；控制所述SL参考信号中的符号数目大于1；所述SL参考信号发送于第八指定信息之后，所述第八指定信息包括2级SCI、解调参考信号和相位跟踪参考信号中的至少之一；配置测量间隔。
一种可能的实现方式中，所述SL参考信号对应的目标频域信息根据以下至少之一确定：带宽部分BWP的配置信息；资源池的配置信息；传输信道信息；目标频域起点信息；目标频域偏移信息；所述SL参考信号的符号信息；第九指定信息，所述第九指定信息包括同步信号块SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的至少一个；
所述SL参考信号对应的目标信号组的信息；所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；预定频率范围；其中，所述目标频域信息包括子载波间隔、起始RE偏移信息、带宽中的至少一个。
一种可能的实现方式中，所述目标频域起点为以下至少之一：目标起点； 相对于目标起点进行固定频域偏移后的频域位置；其中，所述目标起点包括BWP起点、资源池频域起点、传输信道起点中的任一项项。
一种可能的实现方式中，所述目标频域偏移根据以下至少之一确定：频域粒度；目标频域起点；所述SL参考信号的符号信息。
一种可能的实现方式中，所述目标频域信息根据所述BWP的配置信息确定，包括以下任意一项：所述SL参考信号中的每个BWP的配置信息；所述SL参考信号的起点等于所述BWP的起点；所述SL参考信号的起点大于所述BWP的起点；所述SL参考信号的频域范围位于所述BWP内；所述SL参考信号的频域范围小于所述BWP的频域范围；所述SL参考信号的频域范围等于所述BWP的频域范围；所述SL参考信号的子载波间隔与所述BWP的子载波间隔相同；所述SL参考信号的子载波间隔是所述BWP的子载波间的整数倍；所述SL参考信号的波束Beam与所述BWP关联的Beam一致；所述SL参考信号的起始符号为所述BWP的符号起始位置；所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述BWP的符号起始位置具有固定偏移；所述SL参考信号的符号长度小于所述BWP的符号长度；所述SL参考信号的符号长度等于所述BWP的符号长度；所述SL参考信号的优先级信息根据所述BWP的优先级信息确定。
一种可能的实现方式中，所述目标频域信息根据所述资源池的配置信息确定，包括以下任意一项：所述SL参考信号的起点等于所述资源池的起点；所述SL参考信号的起点大于所述资源池的起点；所述SL参考信号的频域范围位于所述资源池对应的频域范围内；所述SL参考信号的频域范围小于所述资源池对应的频域范围；所述SL参考信号的频域范围等于所述资源池对应的频域范围；所述SL参考信号的子载波间隔与所述资源池的子载波间隔相同；所述SL参考信号的子载波间隔是所述资源池的子载波间的整数倍；所述SL参考信号的波束Beam与所述资源池关联的Beam一致；所述SL参考信号的起始符号为所述资源池的符号起始位置；所述SL参考信号的起始符号为第二预定符号，所述第二预定符号相对于所述资源池的符号起始位置具有固定偏移； 所述SL参考信号的符号长度小于所述资源池的符号长度；所述SL参考信号的符号长度等于所述资源池的符号长度；所述SL参考信号的优先级信息根据所述资源池的优先级信息确定。
一种可能的实现方式中，所述目标频域信息根据所述传输信道信息确定，包括以下任意一项：所述SL参考信号的起点等于所述传输信道的起点；所述SL参考信号的起点大于所述传输信道的起点；所述SL参考信号的频域范围位于所述传输信道对应的频域范围内；所述SL参考信号的频域范围小于所述传输信道对应的频域范围；所述SL参考信号的频域范围等于所述传输信道对应的频域范围；所述SL参考信号的子载波间隔与所述传输信道的子载波间隔相同；所述SL参考信号的子载波间隔是所述传输信道的子载波间的整数倍；所述SL参考信号的波束Beam与所述资源池关联的Beam一致；所述SL参考信号的起始符号为所述传输信道的符号起始位置；所述SL参考信号的起始符号为第三预定符号，所述第三预定符号相对于所述传输信道的符号起始位置具有固定偏移；所述SL参考信号的符号长度小于传输信道的符号长度；所述SL参考信号的符号长度等于传输信道的符号长度；所述SL参考信号的优先级信息根据所述传输信道的优先级信息确定。
一种可能的实现方式中，所述SL参考信号对应的目标时域信息根据以下至少之一确定：BWP的配置信息；资源池的配置信息；传输信道配置信息；SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的任意一个；
预定监控窗内的指定信号，所述指定信号包括参考信号接收功率、参考信号接收质量、信噪比、接收信号强度指示、信道占用率、信道忙率中的至少一个；目标时域起点信息；目标时域偏移信息；所述SL参考信号的符号信息；所述SL参考信号中包括的目标图样信息；所述SL参考信号对应的目标信号组的信息；所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；SL非连续接收配置信息；其中，所述目标时域信息包括发送时机、发送时间间隔、预定时长内的发送数量中的至少一个。
一种可能的实现方式中，所述目标时域信息与第十一指定信息的时域位置信息不同，所述第十一指定信息包括2级SCI、DMRS、PTRS中的至少一个。
一种可能的实现方式中，所述SL参考信号中的以下至少之一与目标SSB或目标传输信道对应：目标频域信息；目标时域信息；信号序列信息；信号同步信息。
一种可能的实现方式中，所述SL参考信号中包括的符号满足以下至少之一：各所述符号之间的频域偏移量相同；各所述符号之间的时域偏移量相同；各所述符号形成的符号序列呈阶梯状或梳状；
各所述符号的时域相对偏移量按照第一预定规则确定；各所述符号的频域起始偏移量按照第二预定规则确定；各所述符号的相对偏移量不大于所述SL参考信号对应的comb数；各所述符号的相对偏移量不大于所述SL参考信号中的总符号数；所述SL参考信号的符号数与参考对象识别信息对应，所述参考对象包括参考信号或参考信号资源集；目标符号的符号信息与第十指定信息对应，所述目标符号的符号信息包括所述SL参考信号中的符号数和所述目标符号的符号偏移量，所述第十指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、BWP中的至少一种。
一种可能的实现方式中，所述发送模块1110还用于以下至少之一：所述SL参考信号与目标SCI一起发送；所述SL参考信号与目标SSB一起发送；所述SL参考信号与目标传输信道一起发送；所述SL参考信号单独发送。
一种可能的实现方式中，所述目标SCI包括1级SCI和/或2级SCI。
一种可能的实现方式中，所述目标SCI中携带有以下至少之一：所述SL参考信号的配置信息；所述SL参考信号的辅助信息；所述SL参考信号的测量请求信息；所述SL参考信号的测量请求信息。
如图12所示，为本申请示例性实施例提供的一种SL上的定位装置1200的方框结构示意图，所述装置1200包括：接收模块1210，用于接收第一终端发送的SL参考信号；测量模块1220，用于根据所述SL参考信号以下至少 一项：确定第一终端的位置；确定第一终端与所述第二终端之间的相对位置；确定所述第二终端的位置；确定第一终端与所述第二终端之间的距离。
一种可能的实现方式中，所述接收模块用于根据以下至少一项接收SL参考信号：第三调度请求，所述第三调度请求指示网络侧设备调度接收所述SL参考信号；第四调度请求，所述第三调度请求指示第三终端调度接收所述SL参考信号；预配置需求；预配置的资源配置；预定指示。
一种可能的实现方式中，所述SL参考信号满足以下至少之一：所述SL参考信号的接收位置独立；所述SL参考信号的接收位置通过第五副链路控制信息SCI或第五下行控制信息DCI指示；所述SL参考信号为具有目标图样的参考信号；所述SL参考信号的接收状态通过第六SCI或第六DCI指示；所述SL参考信号的接收状态与第一指定信息相关，所述第一指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
一种可能的实现方式中，在根据所述第三调度请求或所述第四调度请求接收所述SL参考信号的情况下，所述SL参考信号满足以下至少之一：所述SL参考信号的调度位置超出第一SL资源范围；所述SL参考信号的调度位置通过第二SCI或第二DCI指示；所述SL参考信号对应的目标图样通过第三SCI或第三DCI指示；所述SL参考信号的调度状态通过第四SCI或第四DCI指示；所述SL参考信号的调度状态与第二指定信息相关，所述第二指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
一种可能的实现方式中，所述SL参考信号中包括至少一个参考对象的信息，所述参考对象包括参考信号资源或参考信号资源集；其中，所述参考对象的信息包括以下至少之一：参考对象识别信息；第三指定信息，所述第三指定信息包括资源分配信息、空间方向信息、功率信息、发送时机、发送用户和接收用户的至少之一；指定终端的地理位置信息，所述指定终端包括第一终端和/或第二终端；指定同步信息，所述指定同步信息包括同步参考信号和/或 同步资源；时间戳信息，所述时间戳信息包括绝对时间、通用时间、帧号、相对时间信息的至少一个。
一种可能的实现方式中，所述SL参考信号包括至少一个目标信号组对应的参考信号，所述目标信号组满足以下任意一项：不同的所述目标信号组对应不同的参考信号类型；不同的所述目标信号组对应不同的目标信号组的标识；不同的所述目标信号组对应不同的参考对象，所述参考对象包括参考信号或参考信号集；不同的所述目标信号组映射不同的资源池；不同的所述目标信号组对应不同的定位需求。
一种可能的实现方式中，所述参考信号类型包括第一类型SL参考信号、第二类型SL参考信号和第三类型SL参考信号中的至少之一；其中，所述第一类型SL参考信号中携带有广播标识ID或/和类型ID；所述第二类型SL参考信号中携带有组ID；所述第三类型SL参考信号中携带有终端ID或/和信号ID。
一种可能的实现方式中，所述SL参考信号的序列特征中承载有以下至少之一：第四指定信息，所述第四指定信息包括用户识别信息、用户组识别信息、用户时间信息、用户时间源信息、信号加扰信息、循环冗余校验CRC信息中的至少一个；第五指定信息，所述第五指定信息包括循环位移、循环位移对、循环位移组中的至少一个；第六指定信息，所述第六指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、带宽部分BWP信息中的至少一个；第七指定信息，所述第七指定信息包括参考对象识别信息，所述参考对象包括参考信号或参考信号集；指定资源信息，所述指定资源信息为发送所述SL参考信号所使用的资源信息；指定终端的地理位置信息，所述指定终端包括所述第一终端和/或所述第二终端。
一种可能的实现方式中，所述SL参考信号包括至少一个目标图样。
一种可能的实现方式中，所述目标图样对应的目标图样特征与以下至少之一具有对应关系：所述SL参考信号对应的密度、码分复用类型、端口数、梳状值、符号数目、RE偏移、SL符号类型、符号位置、带宽、定位需求、 序列特征、传输信道、传输资源、资源池以及BWP。
一种可能的实现方式中，所述目标图样特征参照预定自动增益控制AGC方式确定。
一种可能的实现方式中，所述预定AGC方式包括以下至少之一：对所述SL参考信号中的指定符号重复K次，K>1；控制所述SL参考信号中的符号数目大于1；所述SL参考信号发送于第八指定信息之后，所述第八指定信息包括2级SCI、解调参考信号和相位跟踪参考信号中的至少之一；配置测量间隔。
一种可能的实现方式中，所述SL参考信号对应的目标频域信息根据以下至少之一确定：带宽部分BWP的配置信息；资源池的配置信息；传输信道信息；目标频域起点信息；目标频域偏移信息；所述SL参考信号的符号信息；第九指定信息，所述第九指定信息包括同步信号块SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的至少一个；
所述SL参考信号对应的目标信号组的信息；所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；预定频率范围；其中，所述目标频域信息包括子载波间隔、起始RE偏移信息、带宽中的至少一个。
一种可能的实现方式中，所述目标频域起点为以下至少之一：目标起点；相对于目标起点进行固定频域偏移后的频域位置；其中，所述目标起点包括BWP起点、资源池频域起点、传输信道起点中的任一项项。
一种可能的实现方式中，所述目标频域偏移根据以下至少之一确定：频域粒度；目标频域起点；所述SL参考信号的符号信息。
一种可能的实现方式中，所述目标频域信息根据所述BWP的配置信息确定，包括以下任意一项：所述SL参考信号中的每个BWP的配置信息；所述SL参考信号的起点等于所述BWP的起点；所述SL参考信号的起点大于所述BWP的起点；所述SL参考信号的频域范围位于所述BWP内；所述SL参考信号的频域范围小于所述BWP的频域范围；所述SL参考信号的频域范围等 于所述BWP的频域范围；所述SL参考信号的子载波间隔与所述BWP的子载波间隔相同；所述SL参考信号的子载波间隔是所述BWP的子载波间的整数倍；所述SL参考信号的波束Beam与所述BWP关联的Beam一致；所述SL参考信号的起始符号为所述BWP的符号起始位置；所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述BWP的符号起始位置具有固定偏移；所述SL参考信号的符号长度小于所述BWP的符号长度；所述SL参考信号的符号长度等于所述BWP的符号长度；所述SL参考信号的优先级信息根据所述BWP的优先级信息确定。
一种可能的实现方式中，所述目标频域信息根据所述资源池的配置信息确定，包括以下任意一项：所述SL参考信号的起点等于所述资源池的起点；所述SL参考信号的起点大于所述资源池的起点；所述SL参考信号的频域范围位于所述资源池对应的频域范围内；所述SL参考信号的频域范围小于所述资源池对应的频域范围；所述SL参考信号的频域范围等于所述资源池对应的频域范围；所述SL参考信号的子载波间隔与所述资源池的子载波间隔相同；所述SL参考信号的子载波间隔是所述资源池的子载波间的整数倍；所述SL参考信号的波束Beam与所述资源池关联的Beam一致；所述SL参考信号的起始符号为所述资源池的符号起始位置；所述SL参考信号的起始符号为第二预定符号，所述第二预定符号相对于所述资源池的符号起始位置具有固定偏移；所述SL参考信号的符号长度小于所述资源池的符号长度；所述SL参考信号的符号长度等于所述资源池的符号长度；所述SL参考信号的优先级信息根据所述资源池的优先级信息确定。
一种可能的实现方式中，所述目标频域信息根据所述传输信道信息确定，包括以下任意一项：所述SL参考信号的起点等于所述传输信道的起点；所述SL参考信号的起点大于所述传输信道的起点；所述SL参考信号的频域范围位于所述传输信道对应的频域范围内；所述SL参考信号的频域范围小于所述传输信道对应的频域范围；所述SL参考信号的频域范围等于所述传输信道对应的频域范围；所述SL参考信号的子载波间隔与所述传输信道的子载波间隔相 同；所述SL参考信号的子载波间隔是所述传输信道的子载波间的整数倍；所述SL参考信号的波束与所述资源池关联的波束一致；所述SL参考信号的起始符号为所述传输信道的符号起始位置；所述SL参考信号的起始符号为第三预定符号，所述第三预定符号相对于所述传输信道的符号起始位置具有固定偏移；所述SL参考信号的符号长度小于传输信道的符号长度；所述SL参考信号的符号长度等于传输信道的符号长度；所述SL参考信号的优先级信息根据所述传输信道的优先级信息确定。
一种可能的实现方式中，所述SL参考信号对应的目标时域信息根据以下至少之一确定：BWP的配置信息；资源池的配置信息；传输信道配置信息；SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的任意一个；预定监控窗内的指定信号，所述指定信号包括参考信号接收功率、参考信号接收质量、信噪比、接收信号强度指示、信道占用率、信道忙率中的至少一个；目标时域起点信息；目标时域偏移信息；所述SL参考信号的符号信息；所述SL参考信号中包括的目标图样信息；所述SL参考信号对应的目标信号组的信息；所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；SL非连续接收配置信息；其中，所述目标时域信息包括发送时机、发送时间间隔、预定时长内的发送数量中的至少一个。
一种可能的实现方式中，所述目标时域信息与第十一指定信息的时域位置信息不同，所述第十一指定信息包括2级SCI、DMRS、PTRS中的至少一个。
一种可能的实现方式中，所述SL参考信号中的以下至少之一与目标SSB或目标传输信道对应：目标频域信息；目标时域信息；信号序列信息；信号同步信息。
一种可能的实现方式中，所述SL参考信号中包括的符号满足以下至少之一：各所述符号之间的频域偏移量相同；各所述符号之间的时域偏移量相同；各所述符号形成的符号序列呈阶梯状或梳状；各所述符号的时域相对偏移量按照第一预定规则确定；各所述符号的频域起始偏移量按照第二预定规则确 定；各所述符号的相对偏移量不大于所述SL参考信号对应的comb数；各所述符号的相对偏移量不大于所述SL参考信号中的总符号数；所述SL参考信号的符号数与参考对象识别信息对应，所述参考对象包括参考信号或参考信号资源集；目标符号的符号信息与第十指定信息对应，所述目标符号的符号信息包括所述SL参考信号中的符号数和所述目标符号的符号偏移量，所述第十指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、BWP中的至少一种。
一种可能的实现方式中，所述接收SL参考信号，包括以下至少之一：所述SL参考信号与目标SCI一起接收；所述SL参考信号与目标SSB一起接收；所述SL参考信号与目标传输信道一起接收；所述SL参考信号单独接收。
一种可能的实现方式中，所述目标SCI包括1级SCI和/或2级SCI。
一种可能的实现方式中，所述目标SCI中携带有以下至少之一：所述SL参考信号的配置信息；所述SL参考信号的辅助信息；所述SL参考信号的测量请求信息；所述SL参考信号的测量请求信息。
本申请实施例中的SL上的定位装置可以是装置，也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例中的SL上的定位装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统，可以为ios操作系统，还可以为其他可能的操作系统，本申请实施例不作具体限定。
本申请实施例提供的SL上的定位装置能够实现图2至图10的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
如图13所示，图13为实现本申请实施例的一种终端的硬件结构示意图。
该终端1300包括但不限于：射频单元1301、网络模块1302、音频输出 单元1303、输入单元1304、传感器1305、显示单元1306、用户输入单元1307、接口单元1308、存储器1309、以及处理器1310等部件。
本领域技术人员可以理解，终端1300还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器1310逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图13中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元1304可以包括图形处理器(Graphics Processing Unit，GPU)1341和麦克风13042，图形处理器13041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元1306可包括显示面板13061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板13061。用户输入单元1307包括触控面板13071以及其他输入设备13072。触控面板13071，也称为触摸屏。触控面板13071可包括触摸检测装置和触摸控制器两个部分。其他输入设备13072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元1301将来自网络侧设备的下行数据接收后，给处理器1310处理；另外，将上行的数据发送给网络侧设备。通常，射频单元1301包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1309可用于存储软件程序或指令以及各种数据。存储器1309可主要包括存储程序或指令区和存储数据区，其中，存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器1309可以包括高速随机存取存储器，还可以包括非易失性存储器，其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储 器(Electrically EPROM，EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器1310可包括一个或多个处理单元；可选的，处理器1310可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序或指令等，调制解调处理器主要处理无线通信，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器1310中。
其中，处理器1310调用存储器1309中的指令或程序执行图11或图12所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述SL上的定位方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现上述SL上的定位方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序产品，该计算机程序产品包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时，实现上述SL上的定位方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意 在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (56)

  1. 一种副链路SL上的定位方法，由第一终端执行，所述方法包括：
    发送SL参考信号；其中，所述SL参考信号用于以下至少一项：
    确定所述第一终端的位置；
    确定所述第一终端与至少一个第二终端之间的相对位置；
    确定至少一个所述第二终端的位置；
    确定所述第一终端与至少一个所述第二终端之间的距离。
  2. 如权利要求1所述的方法，其中，所述发送SL参考信号，包括：
    根据以下至少一项发送SL参考信号：
    第一调度请求，所述第一调度请求指示网络侧设备调度所述SL参考信号；
    第二调度请求，所述第二调度请求指示第三终端调度所述SL参考信号；
    预配置需求；
    预配置的资源配置；
    预定指示。
  3. 如权利要求1所述的方法，其中，所述SL参考信号满足以下至少之一：
    所述SL参考信号的发送位置超出第一SL资源范围；
    所述SL参考信号的发送位置通过第一副链路控制信息SCI或第一下行控制信息DCI指示；
    所述SL参考信号为具有目标图样的参考信号；
    所述SL参考信号的发送状态通过第一SCI或第一DCI指示；
    所述SL参考信号的发送状态与第一指定信息相关，所述第一指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量参数、终端通信范围、传输类型、终端类型中的至少一个。
  4. 如权利要求2所述的方法，其中，在根据所述第一调度请求或所述第二调度请求发送所述SL参考信号的情况下，所述SL参考信号满足以下至少之一：
    所述SL参考信号的调度位置超出第一SL资源范围；
    所述SL参考信号的调度位置通过第二SCI或第二DCI指示；
    所述SL参考信号对应的目标图样通过第三SCI或第三DCI指示；
    所述SL参考信号的调度状态通过第四SCI或第四DCI指示；
    所述SL参考信号的调度状态与第二指定信息相关，所述第二指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量参数、终端通信范围、传输类型、终端类型中的至少一个。
  5. 如权利要求1所述的方法，其中，所述SL参考信号中包括至少一个参考对象的信息，所述参考对象包括参考信号资源或参考信号资源集；
    其中，所述参考对象的信息包括以下至少之一：
    参考对象识别信息；
    第三指定信息，所述第三指定信息包括资源分配信息、空间方向信息、功率信息、发送时机、发送用户和接收用户的至少之一；
    指定终端的地理位置信息，所述指定终端包括第一终端和/或第二终端；
    指定同步信息，所述指定同步信息包括同步参考信号和/或同步资源；
    时间戳信息，所述时间戳信息包括绝对时间、通用时间、帧号、相对时间信息的至少一个。
  6. 如权利要求1所述的方法，其中，所述SL参考信号包括至少一个目标信号组对应的参考信号，所述目标信号组满足以下任意一项：
    不同的所述目标信号组对应不同的参考信号类型；
    不同的所述目标信号组对应不同的目标信号组的标识；
    不同的所述目标信号组对应不同的参考对象，所述参考对象包括参考信号或参考信号集；
    不同的所述目标信号组映射不同的资源池；
    不同的所述目标信号组对应不同的定位需求。
  7. 如权利要求6所述的方法，其中，所述参考信号类型包括第一类型SL参考信号、第二类型SL参考信号和第三类型SL参考信号中的至少之一；其 中，
    所述第一类型SL参考信号中携带有广播标识ID或/和类型ID；
    所述第二类型SL参考信号中携带有组ID；
    所述第三类型SL参考信号中携带有终端ID或/和信号ID。
  8. 如权利要求1所述的方法，其中，所述SL参考信号的序列特征中承载有以下至少之一：
    第四指定信息，所述第四指定信息包括用户识别信息、用户组识别信息、用户时间信息、用户时间源信息、信号加扰信息、循环冗余校验信息中的至少一个；
    第五指定信息，所述第五指定信息包括循环位移、循环位移对、循环位移组中的至少一个；
    第六指定信息，所述第六指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、带宽部分BWP信息中的至少一个；
    第七指定信息，所述第七指定信息包括参考对象识别信息，所述参考对象包括参考信号或参考信号集；
    指定资源信息，所述指定资源信息为发送所述SL参考信号所使用的资源信息；
    指定终端的地理位置信息，所述指定终端包括所述第一终端和/或所述第二终端。
  9. 如权利要求1所述的方法，其中，所述SL参考信号包括至少一个目标图样。
  10. 如权利要求9所述的方法，其中，所述目标图样对应的目标图样特征与以下至少之一具有对应关系：
    所述SL参考信号对应的密度、码分复用类型、端口数、梳状值、符号数目、资源单元偏移、SL符号类型、符号位置、带宽、定位需求、序列特征、传输信道、传输资源、资源池以及BWP。
  11. 如权利要求10所述的方法，其中，所述目标图样特征参照预定自动 增益控制AGC方式确定。
  12. 如权利要求11所述的方法，其中，所述预定AGC方式包括以下至少之一：
    对所述SL参考信号中的指定符号重复K次，K>1；
    控制所述SL参考信号中的符号数目大于1；
    所述SL参考信号发送于第八指定信息之后，所述第八指定信息包括2级SCI、解调参考信号和相位跟踪参考信号中的至少之一；
    配置测量间隔。
  13. 如权利要求1所述的方法，其中，所述SL参考信号对应的目标频域信息根据以下至少之一确定：
    BWP的配置信息；
    资源池的配置信息；
    传输信道信息；
    目标频域起点信息；
    目标频域偏移信息；
    所述SL参考信号的符号信息；
    第九指定信息，所述第九指定信息包括同步信号块SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的至少一个；
    所述SL参考信号对应的目标信号组的信息；
    所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；
    预定频率范围；
    其中，所述目标频域信息包括子载波间隔、起始资源单元偏移信息、带宽中的至少一个。
  14. 如权利要求13所述的方法，其中，所述目标频域起点为以下至少之一：
    目标起点；
    相对于目标起点进行固定频域偏移后的频域位置；
    其中，所述目标起点包括BWP起点、资源池频域起点、传输信道起点中的任一项项。
  15. 如权利要求13所述的方法，其中，所述目标频域偏移根据以下至少之一确定：
    频域粒度；
    目标频域起点；
    所述SL参考信号的符号信息。
  16. 如权利要求13所述的方法，其中，所述目标频域信息根据所述BWP的配置信息确定，包括以下任意一项：
    所述SL参考信号中的每个BWP的配置信息；
    所述SL参考信号的起点等于所述BWP的起点；
    所述SL参考信号的起点大于所述BWP的起点；
    所述SL参考信号的频域范围位于所述BWP内；
    所述SL参考信号的频域范围小于所述BWP的频域范围；
    所述SL参考信号的频域范围等于所述BWP的频域范围；
    所述SL参考信号的子载波间隔与所述BWP的子载波间隔相同；
    所述SL参考信号的子载波间隔是所述BWP的子载波间的整数倍；
    所述SL参考信号的波束与所述BWP关联的波束一致；
    所述SL参考信号的起始符号为所述BWP的符号起始位置；
    所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述BWP的符号起始位置具有固定偏移；
    所述SL参考信号的符号长度小于所述BWP的符号长度；
    所述SL参考信号的符号长度等于所述BWP的符号长度；
    所述SL参考信号的优先级信息根据所述BWP的优先级信息确定。
  17. 如权利要求13所述的方法，其中，所述目标频域信息根据所述资源池的配置信息确定，包括以下任意一项：
    所述SL参考信号的起点等于所述资源池的起点；
    所述SL参考信号的起点大于所述资源池的起点；
    所述SL参考信号的频域范围位于所述资源池对应的频域范围内；
    所述SL参考信号的频域范围小于所述资源池对应的频域范围；
    所述SL参考信号的频域范围等于所述资源池对应的频域范围；
    所述SL参考信号的子载波间隔与所述资源池的子载波间隔相同；
    所述SL参考信号的子载波间隔是所述资源池的子载波间的整数倍；
    所述SL参考信号的波束与所述资源池关联的波束一致；
    所述SL参考信号的起始符号为所述资源池的符号起始位置；
    所述SL参考信号的起始符号为第二预定符号，所述第二预定符号相对于所述资源池的符号起始位置具有固定偏移；
    所述SL参考信号的符号长度小于所述资源池的符号长度；
    所述SL参考信号的符号长度等于所述资源池的符号长度；
    所述SL参考信号的优先级信息根据所述资源池的优先级信息确定。
  18. 如权利要求13所述的方法，其中，所述目标频域信息根据所述传输信道信息确定，包括以下任意一项：
    所述SL参考信号的起点等于所述传输信道的起点；
    所述SL参考信号的起点大于所述传输信道的起点；
    所述SL参考信号的频域范围位于所述传输信道对应的频域范围内；
    所述SL参考信号的频域范围小于所述传输信道对应的频域范围；
    所述SL参考信号的频域范围等于所述传输信道对应的频域范围；
    所述SL参考信号的子载波间隔与所述传输信道的子载波间隔相同；
    所述SL参考信号的子载波间隔是所述传输信道的子载波间的整数倍；
    所述SL参考信号的波束与所述资源池关联的波束一致；
    所述SL参考信号的起始符号为所述传输信道的符号起始位置；
    所述SL参考信号的起始符号为第三预定符号，所述第三预定符号相对于所述传输信道的符号起始位置具有固定偏移；所述SL参考信号的符号长度 小于传输信道的符号长度；
    所述SL参考信号的符号长度等于传输信道的符号长度；
    所述SL参考信号的优先级信息根据所述传输信道的优先级信息确定。
  19. 如权利要求1所述的方法，其中，所述SL参考信号对应的目标时域信息根据以下至少之一确定：
    BWP的配置信息；
    资源池的配置信息；
    传输信道配置信息；
    SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的任意一个；
    预定监控窗内的指定信号，所述指定信号包括参考信号接收功率、参考信号接收质量、信噪比、接收信号强度指示、信道占用率、信道忙率中的至少一个；
    目标时域起点信息；
    目标时域偏移信息；
    所述SL参考信号的符号信息；
    所述SL参考信号中包括的目标图样信息；
    所述SL参考信号对应的目标信号组的信息；
    所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；
    SL非连续接收配置信息；
    其中，所述目标时域信息包括发送时机、发送时间间隔、预定时长内的发送数量中的至少一个。
  20. 如权利要求19所述的方法，其中，所述目标时域信息与第十一指定信息的时域位置信息不同，所述第十一指定信息包括2级SCI、DMRS、PTRS中的至少一个。
  21. 如权利要求1所述的方法，其中，所述SL参考信号中的以下至少之 一与目标SSB或目标传输信道对应：
    目标频域信息；
    目标时域信息；
    信号序列信息；
    信号同步信息。
  22. 如权利要求1所述的方法，其中，所述SL参考信号中包括的符号满足以下至少之一：
    各所述符号之间的频域偏移量相同；
    各所述符号之间的时域偏移量相同；
    各所述符号形成的符号序列呈阶梯状或梳状；
    各所述符号的时域相对偏移量按照第一预定规则确定；
    各所述符号的频域起始偏移量按照第二预定规则确定；
    各所述符号的相对偏移量不大于所述SL参考信号对应的梳状数；
    各所述符号的相对偏移量不大于所述SL参考信号中的总符号数；
    所述SL参考信号的符号数与参考对象识别信息对应，所述参考对象包括参考信号或参考信号资源集；
    目标符号的符号信息与第十指定信息对应，所述目标符号的符号信息包括所述SL参考信号中的符号数和所述目标符号的符号偏移量，所述第十指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、BWP中的至少一种。
  23. 如权利要求1-22中的任一项所述的方法，其中，所述发送SL参考信号，包括以下至少之一：
    所述SL参考信号与目标SCI一起发送；
    所述SL参考信号与目标SSB一起发送；
    所述SL参考信号与目标传输信道一起发送；
    所述SL参考信号单独发送。
  24. 如权利要求23所述的方法，其中，所述目标SCI包括1级SCI和/或 2级SCI。
  25. 如权利要求23所述的方法，其中，所述目标SCI中携带有以下至少之一：
    所述SL参考信号的配置信息；
    所述SL参考信号的辅助信息；
    所述SL参考信号的测量请求信息；
    所述SL参考信号的测量请求信息。
  26. 一种副链路SL上的定位方法，由第二终端执行，所述方法包括：
    接收第一终端发送的SL参考信号；
    根据所述SL参考信号执行以下至少一项：
    确定第一终端的位置；
    确定第一终端与所述第二终端之间的相对位置；
    确定所述第二终端的位置；
    确定第一终端与所述第二终端之间的距离。
  27. 如权利要求26所述的方法，其中，接收SL参考信号，包括：
    根据以下至少一项接收SL参考信号：
    第三调度请求，所述第三调度请求指示网络侧设备调度接收所述SL参考信号；
    第四调度请求，所述第三调度请求指示第三终端调度接收所述SL参考信号；
    预配置需求；
    预配置的资源配置；
    预定指示。
  28. 如权利要求26所述的方法，其中，所述SL参考信号满足以下至少之一：
    所述SL参考信号的接收位置独立；
    所述SL参考信号的接收位置通过第五副链路控制信息SCI或第五下行 控制信息DCI指示；
    所述SL参考信号为具有目标图样的参考信号；
    所述SL参考信号的接收状态通过第六SCI或第六DCI指示；
    所述SL参考信号的接收状态与第一指定信息相关，所述第一指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
  29. 如权利要求27所述的方法，其中，在根据所述第三调度请求或所述第四调度请求接收所述SL参考信号的情况下，所述SL参考信号满足以下至少之一：
    所述SL参考信号的调度位置超出第一SL资源范围；
    所述SL参考信号的调度位置通过第二SCI或第二DCI指示；
    所述SL参考信号对应的目标图样通过第三SCI或第三DCI指示；
    所述SL参考信号的调度状态通过第四SCI或第四DCI指示；
    所述SL参考信号的调度状态与第二指定信息相关，所述第二指定信息包括优先级信息、资源池信息、信道忙率、信道占用率、服务质量QOS参数、终端通信范围、传输类型、终端类型中的至少一个。
  30. 如权利要求26所述的方法，其中，所述SL参考信号中包括至少一个参考对象的信息，所述参考对象包括参考信号资源或参考信号资源集；
    其中，所述参考对象的信息包括以下至少之一：
    参考对象识别信息；
    第三指定信息，所述第三指定信息包括资源分配信息、空间方向信息、功率信息、发送时机、发送用户和接收用户的至少之一；
    指定终端的地理位置信息，所述指定终端包括第一终端和/或第二终端；
    指定同步信息，所述指定同步信息包括同步参考信号和/或同步资源；
    时间戳信息，所述时间戳信息包括绝对时间、通用时间、帧号、相对时间信息的至少一个。
  31. 如权利要求26所述的方法，其中，所述SL参考信号包括至少一个目 标信号组对应的参考信号，所述目标信号组满足以下任意一项：
    不同的所述目标信号组对应不同的参考信号类型；
    不同的所述目标信号组对应不同的目标信号组的标识；
    不同的所述目标信号组对应不同的参考对象，所述参考对象包括参考信号或参考信号集；
    不同的所述目标信号组映射不同的资源池；
    不同的所述目标信号组对应不同的定位需求。
  32. 如权利要求31所述的方法，其中，所述参考信号类型包括第一类型SL参考信号、第二类型SL参考信号和第三类型SL参考信号中的至少之一；其中，
    所述第一类型SL参考信号中携带有广播标识ID或/和类型ID；
    所述第二类型SL参考信号中携带有组ID；
    所述第三类型SL参考信号中携带有终端ID或/和信号ID。
  33. 如权利要求26所述的方法，其中，所述SL参考信号的序列特征中承载有以下至少之一：
    第四指定信息，所述第四指定信息包括用户识别信息、用户组识别信息、用户时间信息、用户时间源信息、信号加扰信息、循环冗余校验CRC信息中的至少一个；
    第五指定信息，所述第五指定信息包括循环位移、循环位移对、循环位移组中的至少一个；
    第六指定信息，所述第六指定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、带宽部分BWP信息中的至少一个；
    第七指定信息，所述第七指定信息包括参考对象识别信息，所述参考对象包括参考信号或参考信号集；
    指定资源信息，所述指定资源信息为发送所述SL参考信号所使用的资源信息；
    指定终端的地理位置信息，所述指定终端包括所述第一终端和/或所述第 二终端。
  34. 如权利要求26所述的方法，其中，所述SL参考信号包括至少一个目标图样。
  35. 如权利要求34所述的方法，其中，所述目标图样对应的目标图样特征与以下至少之一具有对应关系：
    所述SL参考信号对应的密度、码分复用类型、端口数、梳状值、符号数目、资源单元偏移、SL符号类型、符号位置、带宽、定位需求、序列特征、传输信道、传输资源、资源池以及BWP。
  36. 如权利要求35所述的方法，其中，所述目标图样特征参照预定自动增益控制AGC方式确定。
  37. 如权利要求36所述的方法，其中，所述预定AGC方式包括以下至少之一：
    对所述SL参考信号中的指定符号重复K次，K>1；
    控制所述SL参考信号中的符号数目大于1；
    所述SL参考信号发送于第八指定信息之后，所述第八指定信息包括2级SCI、解调参考信号和相位跟踪参考信号中的至少之一；
    配置测量间隔。
  38. 如权利要求26所述的方法，其中，所述SL参考信号对应的目标频域信息根据以下至少之一确定：
    BWP的配置信息；
    资源池的配置信息；
    传输信道信息；
    目标频域起点信息；
    目标频域偏移信息；
    所述SL参考信号的符号信息；
    第九指定信息，所述第九指定信息包括同步信号块SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的至少一个；
    所述SL参考信号对应的目标信号组的信息；
    所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；
    预定频域范围；
    其中，所述目标频域信息包括子载波间隔、起始资源单元偏移信息、带宽中的至少一个。
  39. 如权利要求38所述的方法，其中，所述目标频域起点为以下至少之一：
    目标起点；
    相对于目标起点进行固定频域偏移后的频域位置；
    其中，所述目标起点包括BWP起点、资源池频域起点、传输信道起点中的任一项项。
  40. 如权利要求38所述的方法，其中，所述目标频域偏移根据以下至少之一确定：
    频域粒度；
    目标频域起点；
    所述SL参考信号的符号信息。
  41. 如权利要求38所述的方法，其中，所述目标频域信息根据所述BWP的配置信息确定，包括以下任意一项：
    所述SL参考信号中的每个BWP的配置信息；
    所述SL参考信号的起点等于所述BWP的起点；
    所述SL参考信号的起点大于所述BWP的起点；
    所述SL参考信号的频域范围位于所述BWP内；
    所述SL参考信号的频域范围小于所述BWP的频域范围；
    所述SL参考信号的频域范围等于所述BWP的频域范围；
    所述SL参考信号的子载波间隔与所述BWP的子载波间隔相同；
    所述SL参考信号的子载波间隔是所述BWP的子载波间的整数倍；
    所述SL参考信号的波束与所述BWP关联的波束一致；
    所述SL参考信号的起始符号为所述BWP的符号起始位置；
    所述SL参考信号的起始符号为第一预定符号，所述第一预定符号相对于所述BWP的符号起始位置具有固定偏移；
    所述SL参考信号的符号长度小于所述BWP的符号长度；
    所述SL参考信号的符号长度等于所述BWP的符号长度；
    所述SL参考信号的优先级信息根据所述BWP的优先级信息确定。
  42. 如权利要求38所述的方法，其中，所述目标频域信息根据所述资源池的配置信息确定，包括以下任意一项：
    所述SL参考信号的起点等于所述资源池的起点；
    所述SL参考信号的起点大于所述资源池的起点；
    所述SL参考信号的频域范围位于所述资源池对应的频域范围内；
    所述SL参考信号的频域范围小于所述资源池对应的频域范围；
    所述SL参考信号的频域范围等于所述资源池对应的频域范围；
    所述SL参考信号的子载波间隔与所述资源池的子载波间隔相同；
    所述SL参考信号的子载波间隔是所述资源池的子载波间的整数倍；
    所述SL参考信号的波束与所述资源池关联的波束一致；
    所述SL参考信号的起始符号为所述资源池的符号起始位置；
    所述SL参考信号的起始符号为第二预定符号，所述第二预定符号相对于所述资源池的符号起始位置具有固定偏移；
    所述SL参考信号的符号长度小于所述资源池的符号长度；
    所述SL参考信号的符号长度等于所述资源池的符号长度；
    所述SL参考信号的优先级信息根据所述资源池的优先级信息确定。
  43. 如权利要求38所述的方法，其中，所述目标频域信息根据所述传输信道信息确定，包括以下任意一项：
    所述SL参考信号的起点等于所述传输信道的起点；
    所述SL参考信号的起点大于所述传输信道的起点；
    所述SL参考信号的频域范围位于所述传输信道对应的频域范围内；
    所述SL参考信号的频域范围小于所述传输信道对应的频域范围；
    所述SL参考信号的频域范围等于所述传输信道对应的频域范围；
    所述SL参考信号的子载波间隔与所述传输信道的子载波间隔相同；
    所述SL参考信号的子载波间隔是所述传输信道的子载波间的整数倍；
    所述SL参考信号的波束与所述资源池关联的波束一致；
    所述SL参考信号的起始符号为所述传输信道的符号起始位置；
    所述SL参考信号的起始符号为第三预定符号，所述第三预定符号相对于所述传输信道的符号起始位置具有固定偏移；所述SL参考信号的符号长度小于传输信道的符号长度；
    所述SL参考信号的符号长度等于传输信道的符号长度；
    所述SL参考信号的优先级信息根据所述传输信道的优先级信息确定。
  44. 如权利要求26所述的方法，其中，所述SL参考信号对应的目标时域信息根据以下至少之一确定：
    BWP的配置信息；
    资源池的配置信息；
    传输信道配置信息；
    SSB、相位跟踪参考信号、解调参考信号和信道状态信息-参考信号中的任意一个；
    预定监控窗内的指定信号，所述指定信号包括参考信号接收功率、参考信号接收质量、信噪比、接收信号强度指示、信道占用率、信道忙率中的至少一个；
    目标时域起点信息；
    目标时域偏移信息；
    所述SL参考信号的符号信息；
    所述SL参考信号中包括的目标图样信息；
    所述SL参考信号对应的目标信号组的信息；
    所述SL参考信号中包括的参考对象的信息，所述参考对象包括参考信号或参考信号资源集；
    SL非连续接收配置信息；
    其中，所述目标时域信息包括发送时机、发送时间间隔、预定时长内的发送数量中的至少一个。
  45. 如权利要求44所述的方法，其中，所述目标时域信息与第十一指定信息的时域位置信息不同，所述第十一指定信息包括2级SCI、DMRS、PTRS中的至少一个。
  46. 如权利要求26所述的方法，其中，所述SL参考信号中的以下至少之一与目标SSB或目标传输信道对应：
    目标频域信息；
    目标时域信息；
    信号序列信息；
    信号同步信息。
  47. 如权利要求26所述的方法，其中，所述SL参考信号中包括的符号满足以下至少之一：
    各所述符号之间的频域偏移量相同；
    各所述符号之间的时域偏移量相同；
    各所述符号形成的符号序列呈阶梯状或梳状；
    各所述符号的时域相对偏移量按照第一预定规则确定；
    各所述符号的频域起始偏移量按照第二预定规则确定；
    各所述符号的相对偏移量不大于所述SL参考信号对应的梳状数；
    各所述符号的相对偏移量不大于所述SL参考信号中的总符号数；
    所述SL参考信号的符号数与参考对象识别信息对应，所述参考对象包括参考信号或参考信号资源集；
    目标符号的符号信息与第十指定信息对应，所述目标符号的符号信息包括所述SL参考信号中的符号数和所述目标符号的符号偏移量，所述第十指 定信息包括所述SL参考信号对应的传输信道信息、传输资源信息、资源池信息、BWP中的至少一种。
  48. 如权利要求26所述的方法，其中，所述接收第一终端发送的SL参考信号，包括以下至少之一：
    所述SL参考信号与目标SCI一起接收；
    所述SL参考信号与目标SSB一起接收；
    所述SL参考信号与目标传输信道一起接收；
    所述SL参考信号单独接收。
  49. 如权利要求48所述的方法，其中，所述目标SCI包括1级SCI和/或2级SCI。
  50. 如权利要求48所述的方法，其中，所述目标SCI中携带有以下至少之一：
    所述SL参考信号的配置信息；
    所述SL参考信号的辅助信息；
    所述SL参考信号的测量请求信息；
    所述SL参考信号的测量请求信息。
  51. 一种副链路SL上的定位装置，所述装置包括：
    发送模块，用于发送SL参考信号；其中，所述SL参考信号用于以下至少一项：
    确定第一终端的位置；
    确定所述第一终端与至少一个第二终端之间的相对位置；
    确定至少一个所述第二终端的位置；
    确定所述第一终端与至少一个所述第二终端之间的距离。
  52. 一种副链路SL上的定位装置，所述装置包括：
    接收模块，用于接收第一终端发送的SL参考信号；
    测量模块，用于根据所述SL参考信号以下至少一项：
    确定第一终端的位置；
    确定第一终端与第二终端之间的相对位置；
    确定所述第二终端的位置；
    确定第一终端与所述第二终端之间的距离。
  53. 一种终端，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至25任一项所述的副链路SL上的定位方法的步骤，或者，实现如权利要求26至50任一项所述的副链路SL上的定位方法的步骤。
  54. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1-25任一项所述的副链路SL上的定位方法的步骤，或者实现如权利要求26至50任一项所述的副链路SL上的定位方法的步骤。
  55. 一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，如权利要求1-25任一项所述的副链路SL上的定位方法的步骤，或者实现如权利要求26至50任一项所述的副链路SL上的定位方法的步骤。
  56. 一种计算机程序产品，所述程序产品被存储在非瞬态存储介质中，所述程序产品被至少一个处理器运行时实现如权利要求1-25任一项所述的副链路SL上的定位方法的步骤，或者实现如权利要求26至50任一项所述的副链路SL上的定位方法的步骤。
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