WO2019153129A1 - 用户设备及用户设备之间发送和接收定位信号的方法 - Google Patents

用户设备及用户设备之间发送和接收定位信号的方法 Download PDF

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Publication number
WO2019153129A1
WO2019153129A1 PCT/CN2018/075494 CN2018075494W WO2019153129A1 WO 2019153129 A1 WO2019153129 A1 WO 2019153129A1 CN 2018075494 W CN2018075494 W CN 2018075494W WO 2019153129 A1 WO2019153129 A1 WO 2019153129A1
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WIPO (PCT)
Prior art keywords
reference signal
pssch
pscch
positioning reference
positioning
Prior art date
Application number
PCT/CN2018/075494
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English (en)
French (fr)
Inventor
唐海
林晖闵
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to KR1020207024505A priority Critical patent/KR20200116950A/ko
Priority to AU2018407846A priority patent/AU2018407846A1/en
Priority to PCT/CN2018/075494 priority patent/WO2019153129A1/zh
Priority to CN201880087630.3A priority patent/CN111656835A/zh
Priority to BR112020015862-3A priority patent/BR112020015862A2/pt
Priority to JP2020542367A priority patent/JP2021516485A/ja
Priority to MX2020008251A priority patent/MX2020008251A/es
Priority to EP18905737.5A priority patent/EP3751929A4/en
Publication of WO2019153129A1 publication Critical patent/WO2019153129A1/zh
Priority to US16/940,278 priority patent/US11470582B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • G01S5/0236—Assistance data, e.g. base station almanac
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • 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
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • 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 relates to the field of wireless communications, and in particular, to a technique for transmitting and receiving positioning signals between user equipments.
  • the vehicle networking system is a kind of side-link transmission technology (SL: Sidelink, side-link) based on LTE-D2D. Different from the traditional LTE system, the communication data is received or transmitted through the base station, and the vehicle networking system adopts the terminal. The way to communicate directly to the terminal, thus having higher spectral efficiency and lower transmission delay.
  • SL Sidelink, side-link
  • the problem still existing in the Internet of Vehicles system is the problem of positioning accuracy, that is, the positioning accuracy of satellite positioning alone (such as GPS, Beidou, etc.) cannot distinguish the lane (requiring sub-meter positioning), which needs to be passed between vehicles and vehicles. Position each other again to correct the accuracy of GPS positioning.
  • the primary problem that comes with this is how to position each other between vehicles and vehicles, that is, how to send signals for vehicle positioning.
  • the purpose of the present application is to provide a method for transmitting and receiving a positioning signal between a user equipment and a user equipment, which achieves higher positioning accuracy by mutual positioning between user equipments.
  • the present application discloses a method for transmitting a positioning signal between user equipments, including:
  • the first user equipment sends a positioning reference signal on the communication interface, and performs information transmission on the physical side control channel PSCCH and/or the physical side shared channel PSSCH, where the information transmission of the PSCCH and/or the PSSCH indicates the positioning reference signal Related properties.
  • the application also discloses a method for receiving a positioning signal between user equipments, including:
  • the second user equipment receives the positioning reference signal on the communication interface, and performs information reception on the physical side control channel PSCCH and/or the physical side shared channel PSSCH corresponding to the first user equipment;
  • the second user equipment receives the relevant attribute of the positioning reference signal according to the information of the PSCCH and/or the PSSCH.
  • the application also discloses a user equipment, including:
  • a first sending module configured to send a positioning reference signal on the communication interface
  • a second sending module configured to perform information transmission on the physical side control channel PSCCH and/or the physical side shared channel PSSCH, where the information of the PSCCH and/or the PSSCH transmits a related attribute indicating the positioning reference signal.
  • the application also discloses a user equipment, including:
  • a first receiving module configured to receive a positioning reference signal on the communication interface
  • a second receiving module configured to perform information reception on a physical side control channel PSCCH and/or a physical side shared channel PSSCH;
  • a determining module configured to determine, according to the information of the PSCCH and/or the PSSCH, a related attribute of the positioning reference signal.
  • the present application also discloses a computer storage medium having stored thereon computer executable instructions that, when executed by a processor, implement the method steps of any of claims 1-12, or claim 13 The method steps of any of the following.
  • the embodiment of the present application realizes mutual positioning between user equipments by means of direct communication between the user equipment and the user equipment, which has higher spectrum efficiency and lower transmission delay, and can achieve more High positioning accuracy.
  • feature A+B+C is disclosed in one example
  • feature A+B+D+E is disclosed in another example
  • features C and D are equivalent technical means that perform the same function, technically only Once used, it is impossible to adopt at the same time, and feature E can be combined with feature C technically.
  • the scheme of A+B+C+D should not be regarded as already recorded because of the technical infeasibility
  • A+B+ The C+E program should be considered as already documented.
  • 1 is a schematic diagram of mode 3 in a 5G communication system
  • FIG. 2 is a schematic diagram of mode 4 in a 5G communication system
  • FIG. 3 is a schematic flowchart of a method for transmitting a positioning signal between user equipments according to a first embodiment of the present application
  • FIG. 4 is a schematic flowchart of a method for receiving a positioning signal between user equipments according to a second embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a user equipment in a third implementation manner of the present application.
  • FIG. 6 is a schematic structural diagram of a user equipment in a fourth implementation manner of the present application.
  • V2V Vehicle to Vehicle, vehicle to vehicle
  • V2X Vehicle to Everything, vehicles to other equipment
  • D2D Device to Device, terminal to terminal
  • SA Scheduling Assignment, scheduling allocation
  • DCI Downlink Control Information, downlink control information
  • SCI Sidelink Control Information, sidelink control information
  • PSCCH Physical Sidelink Control Channel, physical side control channel
  • PSSCH Physical Sidelink Shared Channel, physical side line shared channel
  • PDCP Packet Data Convergence Protocol, Packet Data Convergence Protocol
  • RLC Radio Link Control, Radio Link Layer Control Protocol
  • UE User Equipment, user equipment
  • PRS PositioningReferenceSignal, positioning reference signal
  • DMRS Demodulation Reference Signal, demodulation reference signal
  • V2X The car networking technology (V2X) is standardized in 3GPP Rel-14, defining two transmission modes: mode 3 and mode 4, specifically:
  • Mode 3 As shown in FIG. 1 , the transmission resource of the in-vehicle terminal is allocated by the base station, and the in-vehicle terminal transmits data on the side line according to the resource allocated by the base station; the base station may allocate a single transmission resource to the terminal, A semi-statically transmitted resource can be allocated to a terminal.
  • the in-vehicle terminal adopts a transmission mode of sensing + reservation.
  • the vehicle terminal obtains a set of available transmission resources by means of interception in the resource pool, and the terminal randomly selects one resource from the set for data transmission. Since the service in the car network system has periodic characteristics, the terminal usually adopts a semi-static transmission mode, that is, after the terminal selects one transmission resource, the terminal continuously uses the resource in multiple transmission cycles, thereby reducing resource reselection and The probability of a resource conflict.
  • the terminal carries the information for reserving the next transmission resource in the control information of the current transmission, so that other terminals can determine whether the resource is reserved and used by the user by detecting the control information of the user, thereby reducing resource conflicts. purpose.
  • the user equipment mentioned may be various, such as a smart phone, a tablet computer, a desktop computer, a notebook computer, a customized wireless terminal, an Internet of Things node, a wireless communication module, and the like. As long as they can communicate wirelessly with each other according to an agreed communication protocol.
  • the technical solution of the present application can be applied to, but not limited to, an Internet of Vehicles system.
  • the first embodiment of the present application relates to a method of transmitting a positioning signal between user equipments.
  • 3 is a schematic flow chart of a method for transmitting a positioning signal between the user equipments.
  • the method for transmitting a positioning signal between the user equipments includes:
  • step 301 the first user equipment transmits a positioning reference signal on the communication interface.
  • step 302 information transmission is performed on the physical side control channel PSCCH and/or the physical side shared channel PSSCH, wherein the information transmission of the PSCCH and/or PSSCH indicates the relevant attribute of the positioning reference signal.
  • step 301 and step 302 have no necessary sequence relationship, and the positioning reference signal may be sent first, and then information transmission may be performed on the PSCCH and/or the PSSCH.
  • the information may be first transmitted on the PSCCH and/or the PSSCH, and then the positioning may be sent.
  • the reference signal; the positioning reference signal can also be transmitted simultaneously, and the information transmission can be performed on the PSCCH and/or the PSSCH.
  • the communication interface refers to a communication interface between the user equipment and the user equipment. In the present embodiment, it is preferably a PC5 interface.
  • the first user equipment has a corresponding PSCCH and/or PSSCH, and performs information transmission on the PSCCH and/or the PSSCH corresponding to the first user equipment, where the information transmission includes the PSCCH and/or the PSSCH and the positioning reference signal PRS.
  • the correspondence between the transmitting UE (first user equipment) and the PRS is determined by determining the correspondence between the PSCCH and/or the PSSCH and the PRS.
  • the correlation property of the positioning reference signal includes at least one of: a temporal position of the positioning reference signal, a frequency position, and a signal sequence.
  • Step 302 can be implemented in various ways. The following examples are as follows:
  • the first implementation of step 302 may be that the time position and/or frequency position of the information transmission through the PSCCH and/or the PSSCH indicates the relevant attributes of the positioning reference signal.
  • the correlation attribute of the positioning reference signal can be implicitly obtained from the time position and/or frequency position at which the information is transmitted via the PSCCH and/or PSSCH.
  • the first implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The time position of the positioning reference signal is the same as the time position of the PSCCH and/or PSSCH for information transmission; or the time position of the positioning reference signal is one-to-one corresponding to the time position of the PSCCH and/or PSSCH for information transmission. of.
  • Embodiment 2 The PSCCH separately schedules the positioning reference signal; or, when the PSCCH schedules the PSSCH, it corresponds to the positioning reference signal.
  • Embodiment 3 The frequency position of the positioning reference signal is the same as the frequency position of the PSCCH and/or PSSCH for information transmission; or, the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position of the PSCCH and/or PSSCH for information transmission. of.
  • Embodiment 4 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH performs information transmission.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or PSSCH, in which case only the first user equipment occupying a particular time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal.
  • a second implementation of step 302 may be that the content of the information transmitted by the PSCCH and/or the PSSCH indicates the relevant attributes of the positioning reference signal.
  • the correlation property of the positioning reference signal can be explicitly obtained by the content of the information transmitted by the PSCCH and/or PSSCH.
  • the second implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The temporal position of the positioning reference signal is indicated by the content of the information transmitted by the PSCCH and/or PSSCH.
  • Embodiment 2 The frequency position of the positioning reference signal is indicated by the content of the information transmitted by the PSCCH and/or the PSSCH.
  • Embodiment 3 The signal sequence of the positioning reference signal is a specific bit included in the information transmitted by the PSCCH and/or the PSSCH, or can be derived from other information contained in the information transmitted by the PSCCH and/or the PSSCH.
  • the signal sequence of the positioning reference signal is derived from other information contained in the information transmitted by the PSCCH and/or the PSSCH, for example, may be derived from the user identification information contained in the information transmitted by the PSCCH and/or the PSSCH.
  • the user identification information is 1 byte (8 bits) in length, and the value of the 8 bits of user identification information is modulo 8 operation.
  • the result obtained is 7, and the PRS is the 7th signal sequence in the transmitted data block.
  • it may be derived from the characteristics of the DMRS included in the information transmitted by the PSCCH and/or the PSSCH, such as by a cyclic shift of the DMRS.
  • the remaining relevant attributes of the positioning reference signal may also be specific bits contained in the information transmitted by the PSCCH and/or PSSCH.
  • the remaining relevant attributes of the positioning reference signal can also be derived from other information contained in the information transmitted by the PSCCH and/or PSSCH.
  • the user identification information contained in the information transmitted by the PSCCH and/or the PSSCH can be derived.
  • the characteristics of the DMRS included in the information transmitted by the PSCCH and/or the PSSCH may be derived, for example, by a cyclic shift of the DMRS.
  • Embodiment 4 The PSCCH separately schedules the positioning reference signal; or, the PSCCH schedules the PSSCH and corresponds to the positioning reference signal.
  • Embodiment 5 The frequency position of the positioning reference signal is the same as the frequency position of the PSCCH and/or PSSCH for information transmission; or the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position of the PSCCH and/or PSSCH for information transmission. of.
  • Embodiment 6 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH performs information transmission.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or PSSCH, in which case only the first user equipment occupying a particular time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal.
  • the time-frequency position of the PRS can be implicitly obtained by the time-frequency position of information transmission through the PSCCH and/or the PSSCH, and the signal of the PRS.
  • the sequence may be explicitly obtained by the content of the information transmitted by the PSCCH and/or the PSSCH; or conversely, the signal sequence of the PRS is implicitly obtained by the time-frequency position of the information transmission through the PSCCH and/or the PSSCH, and the time-frequency position of the PRS passes through the PSCCH And/or the content of the information transmitted by the PSSCH is explicitly obtained.
  • the receiving user equipment (the second user equipment) can learn the time-frequency location of the PRS, the signal sequence, and the correspondence between the transmitting UE (the transmitting user equipment, ie, the first user equipment) and the PRS through the PSCCH and/or the PSSCH, thereby A positioning signal is sent between user equipments to perform mutual positioning between user equipments.
  • a second embodiment of the present application relates to a method of receiving a positioning signal between user equipments.
  • the first embodiment is a method for transmitting a positioning signal between user equipments
  • the second embodiment is a method for receiving positioning signals between user equipments.
  • the two are corresponding processes, the technical concept is consistent, and related details can be used interchangeably.
  • . 4 is a schematic flow chart of a method for receiving a positioning signal between the user equipments.
  • the method for receiving a positioning signal between the user equipments includes:
  • step 401 the second user equipment receives the positioning reference signal on the communication interface.
  • step 402 information reception is performed on the physical side control channel PSCCH and/or the physical side shared channel PSSCH corresponding to the first user equipment.
  • step 401 and step 402 have no necessary sequence relationship, and the positioning reference signal may be received first, and then information reception may be performed on the PSCCH and/or the PSSCH.
  • the information may be received in the PSCCH and/or the PSSCH before receiving the positioning.
  • the reference signal; the positioning reference signal can also be received at the same time, and the information is received at the PSCCH and/or PSSCH.
  • the second user equipment receives the relevant attribute of the positioning reference signal according to the information of the PSCCH and/or the PSSCH.
  • the communication interface refers to a communication interface between the user equipment and the user equipment. In the present embodiment, it is preferably a PC5 interface.
  • the information reception includes a correspondence between the PSCCH and/or the PSSCH and the positioning reference signal PRS.
  • the correspondence between the transmitting UE (first user equipment) and the PRS is determined by determining the correspondence between the PSCCH and/or the PSSCH and the PRS.
  • time position, the frequency position, the content of the transmitted information, and the time position of the information received by the PSCCH and/or the PSSCH in the present embodiment in the PSCCH and/or the PSSCH in the first embodiment of the present application The frequency location and the content of the received information are the same.
  • the correlation property of the positioning reference signal includes at least one of: a temporal position of the positioning reference signal, a frequency position, and a signal sequence.
  • Step 403 can be implemented in various ways. The following examples are as follows:
  • the first implementation of step 403 may be to determine the relevant attributes of the positioning reference signal by the time position and/or the frequency position of the information reception through the PSCCH and/or the PSSCH.
  • the correlation attribute of the positioning reference signal can be implicitly obtained from the time position and/or frequency position at which the information is received via the PSCCH and/or PSSCH.
  • the first implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The time position of the positioning reference signal is the same as the time position of the PSCCH and/or PSSCH for information reception; or, the time position of the positioning reference signal is in one-to-one correspondence with the time position of the PSCCH and/or PSSCH for information reception. of.
  • Embodiment 2 The PSCCH separately schedules the positioning reference signal; or, when the PSCCH schedules the PSSCH, it corresponds to the positioning reference signal.
  • Embodiment 3 The frequency position of the positioning reference signal is the same as the frequency position at which the information is received by the PSCCH and/or the PSSCH; or the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position at which the PSCCH and/or the PSSCH receive information. of.
  • Embodiment 4 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH receive information.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or PSSCH, in which case only the first user equipment occupying a particular time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal.
  • the second implementation of step 403 may be to determine the relevant attributes of the positioning reference signal by the content of the information received by the PSCCH and/or the PSSCH.
  • the correlation attribute of the positioning reference signal can be explicitly obtained by the content of the information received by the PSCCH and/or the PSSCH.
  • the second implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The temporal position of the positioning reference signal is indicated by the content of the information received by the PSCCH and/or the PSSCH.
  • Embodiment 2 The frequency position of the positioning reference signal is indicated by the content of the information received by the PSCCH and/or the PSSCH.
  • Embodiment 3 The signal sequence of the positioning reference signal is a specific bit included in the information received by the PSCCH and/or the PSSCH, or can be derived from other information contained in the information received by the PSCCH and/or the PSSCH.
  • the signal sequence of the positioning reference signal is derived by other information contained in the information received by the PSCCH and/or the PSSCH, for example, may be derived from the user identification information contained in the information received by the PSCCH and/or the PSSCH.
  • the user identification information is 1 byte (8 bits) in length, and the value of the 8 bits of user identification information is modulo 8 operation.
  • the result obtained is 7, and the PRS is the seventh signal sequence in the received data block.
  • it may be derived from the characteristics of the DMRS included in the information received by the PSCCH and/or the PSSCH, such as by a cyclic shift of the DMRS.
  • the remaining relevant attributes of the positioning reference signal may also be specific bits contained in the information received by the PSCCH and/or PSSCH.
  • the remaining relevant attributes of the positioning reference signal can also be derived from other information contained in the information received by the PSCCH and/or PSSCH.
  • the user identification information contained in the information received by the PSCCH and/or the PSSCH can be derived.
  • the characteristics of the DMRS included in the information received by the PSCCH and/or the PSSCH may be derived, for example, by a cyclic shift of the DMRS.
  • Embodiment 4 The PSCCH separately schedules the positioning reference signal; or, the PSCCH schedules the PSSCH and corresponds to the positioning reference signal.
  • Embodiment 5 The frequency position of the positioning reference signal is the same as the frequency position at which the information is received by the PSCCH and/or the PSSCH; or the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position at which the PSCCH and/or the PSSCH receive information. of.
  • Embodiment 6 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH receive information.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or the PSSCH, in which case only the first user equipment occupying the specific time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal. .
  • the time-frequency position of the PRS may be implicitly obtained by the time-frequency position of information reception through the PSCCH and/or the PSSCH, and the signal of the PRS.
  • the sequence may be explicitly obtained by the content of the information received by the PSCCH and/or the PSSCH; or conversely, the signal sequence of the PRS is implicitly obtained by the time-frequency position of the information received by the PSCCH and/or the PSSCH, and the time-frequency position of the PRS is passed through the PSCCH. And/or the content of the information received by the PSSCH is explicitly obtained.
  • the receiving user equipment (the second user equipment) can learn the time-frequency location of the PRS, the signal sequence, and the correspondence between the transmitting UE (the transmitting user equipment, ie, the first user equipment) and the PRS through the PSCCH and/or the PSSCH, thereby It realizes sending and receiving positioning signals between user equipments, and mutually positioning between user equipments.
  • the third embodiment of the present application relates to a user equipment.
  • FIG. 5 is a schematic structural diagram of the user equipment. Specifically, as shown in FIG. 5, the user equipment includes:
  • the first sending module is configured to send a positioning reference signal on the communication interface, where the communication interface refers to a communication interface between the user equipment and the user equipment. In this embodiment, it is preferably a PC5 interface.
  • a second sending module configured to perform information transmission on the physical side control channel PSCCH and/or the physical side shared channel PSSCH, where the information transmission of the PSCCH and/or the PSSCH indicates a related attribute of the positioning reference signal.
  • the correlation property of the positioning reference signal includes at least one of: a temporal position of the positioning reference signal, a frequency position, and a signal sequence.
  • the second sending module determines the correspondence between the transmitting UE and the PRS by determining the correspondence between the PSCCH and/or the PSSCH and the PRS.
  • the second sending module can be implemented in multiple ways. The following examples are as follows:
  • a first implementation of the second transmitting module may be that the time position and/or the frequency position of the information transmission by the PSCCH and/or the PSSCH indicates the relevant attributes of the positioning reference signal.
  • the correlation attribute of the positioning reference signal can be implicitly obtained from the time position and/or frequency position at which the information is transmitted via the PSCCH and/or PSSCH.
  • the first implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The time position of the positioning reference signal is the same as the time position of the PSCCH and/or PSSCH for information transmission; or the time position of the positioning reference signal is one-to-one corresponding to the time position of the PSCCH and/or PSSCH for information transmission. of.
  • Embodiment 2 The PSCCH separately schedules the positioning reference signal; or, when the PSCCH schedules the PSSCH, it corresponds to the positioning reference signal.
  • Embodiment 3 The frequency position of the positioning reference signal is the same as the frequency position of the PSCCH and/or PSSCH for information transmission; or, the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position of the PSCCH and/or PSSCH for information transmission. of.
  • Embodiment 4 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH performs information transmission.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or PSSCH, in which case only the first user equipment occupying a particular time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal.
  • a second implementation of the second sending module may be that the content of the information transmitted by the PSCCH and/or the PSSCH indicates the relevant attributes of the positioning reference signal.
  • the correlation property of the positioning reference signal can be explicitly obtained by the content of the information transmitted by the PSCCH and/or PSSCH.
  • the second implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The temporal position of the positioning reference signal is indicated by the content of the information transmitted by the PSCCH and/or PSSCH.
  • Embodiment 2 The frequency position of the positioning reference signal is indicated by the content of the information transmitted by the PSCCH and/or the PSSCH.
  • Embodiment 3 The signal sequence of the positioning reference signal is a specific bit contained in the information transmitted by the PSCCH and/or the PSSCH, or can be derived from other information contained in the information transmitted by the PSCCH and/or the PSSCH.
  • the signal sequence of the positioning reference signal is derived from other information contained in the information transmitted by the PSCCH and/or the PSSCH, for example, may be derived from the user identification information contained in the information transmitted by the PSCCH and/or the PSSCH.
  • the user identification information is 1 byte (8 bits) in length, and the value of the 8 bits of user identification information is modulo 8 operation.
  • the result obtained is 7, and the PRS is the 7th signal sequence in the transmitted data block.
  • it may be derived from the characteristics of the DMRS included in the information transmitted by the PSCCH and/or the PSSCH, such as by a cyclic shift of the DMRS.
  • the remaining relevant attributes of the positioning reference signal may also be specific bits contained in the information transmitted by the PSCCH and/or PSSCH.
  • the remaining relevant attributes of the positioning reference signal can also be derived from other information contained in the information transmitted by the PSCCH and/or PSSCH.
  • the user identification information contained in the information transmitted by the PSCCH and/or the PSSCH can be derived.
  • the characteristics of the DMRS included in the information transmitted by the PSCCH and/or the PSSCH may be derived, for example, by a cyclic shift of the DMRS.
  • Embodiment 4 The PSCCH separately schedules the positioning reference signal; or, the PSCCH schedules the PSSCH and corresponds to the positioning reference signal.
  • Embodiment 5 The frequency position of the positioning reference signal is the same as the frequency position of the PSCCH and/or PSSCH for information transmission; or the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position of the PSCCH and/or PSSCH for information transmission. of.
  • Embodiment 6 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH performs information transmission.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or the PSSCH, in which case the first user equipment occupying the specific time position and/or frequency position of the PSSCH and/or PSSCH may only be allowed to transmit the positioning. Reference signal.
  • the time-frequency position of the PRS may be implicitly obtained by the time-frequency position of information transmission through the PSCCH and/or the PSSCH, and the PRS is obtained.
  • the signal sequence can be explicitly obtained by the content of the information transmitted by the PSCCH and/or the PSSCH; or conversely, the signal sequence of the PRS is implicitly obtained by the time-frequency position of the information transmission by the PSCCH and/or the PSSCH, and the time-frequency position of the PRS
  • the content of the information transmitted by the PSCCH and/or PSSCH is explicitly obtained.
  • the first embodiment is a method embodiment corresponding to the present embodiment, and the present embodiment can be implemented in cooperation with the first embodiment.
  • the related technical details mentioned in the first embodiment are still effective in the present embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the first embodiment.
  • the fourth embodiment of the present application relates to a user equipment.
  • FIG. 6 is a schematic structural diagram of the user equipment. Specifically, as shown in FIG. 6, the user equipment includes:
  • the first receiving module is configured to receive a positioning reference signal on the communication interface, where the communication interface refers to a communication interface between the user equipment and the user equipment. In this embodiment, it is preferably a PC5 interface.
  • a second receiving module configured to perform information reception on the physical side control channel PSCCH and/or the physical side shared channel PSSCH.
  • a determining module configured to receive, according to information of the PSCCH and/or the PSSCH, a related attribute that determines the positioning reference signal.
  • the correlation property of the positioning reference signal includes at least one of: a temporal position of the positioning reference signal, a frequency position, and a signal sequence.
  • the determining module determines the correspondence between the transmitting UE (the first user equipment) and the PRS by determining the correspondence between the PSCCH and/or the PSSCH and the PRS. Determining the module can be implemented in multiple ways. The following examples illustrate:
  • the first implementation of the determining module may be that the time position and/or frequency position of the information reception via the PSCCH and/or the PSSCH determines the relevant attributes of the positioning reference signal.
  • the correlation attribute of the positioning reference signal can be implicitly obtained from the time position and/or frequency position at which the information is received via the PSCCH and/or PSSCH.
  • the first implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The time position of the positioning reference signal is the same as the time position of the PSCCH and/or PSSCH for information reception; or, the time position of the positioning reference signal is in one-to-one correspondence with the time position of the PSCCH and/or PSSCH for information reception. of.
  • Embodiment 2 The PSCCH separately schedules the positioning reference signal; or, when the PSCCH schedules the PSSCH, it corresponds to the positioning reference signal.
  • Embodiment 3 The frequency position of the positioning reference signal is the same as the frequency position at which the information is received by the PSCCH and/or the PSSCH; or the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position at which the PSCCH and/or the PSSCH receive information. of.
  • Embodiment 4 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH receive information.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or PSSCH, in which case only the first user equipment occupying a particular time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal.
  • a second implementation of the determining module may be to determine the relevant attributes of the positioning reference signal by the content of the information received by the PSCCH and/or the PSSCH.
  • the correlation attribute of the positioning reference signal can be explicitly obtained by the content of the information received by the PSCCH and/or the PSSCH.
  • the second implementation manner may also have various preferred embodiments, as follows:
  • Embodiment 1 The temporal position of the positioning reference signal is indicated by the content of the information received by the PSCCH and/or the PSSCH.
  • Embodiment 2 The frequency position of the positioning reference signal is indicated by the content of the information received by the PSCCH and/or the PSSCH.
  • Embodiment 3 The signal sequence of the positioning reference signal is a specific bit included in the information received by the PSCCH and/or the PSSCH, or can be derived from other information contained in the information received by the PSCCH and/or the PSSCH.
  • the signal sequence of the positioning reference signal is derived by other information contained in the information received by the PSCCH and/or the PSSCH, for example, may be derived from the user identification information contained in the information received by the PSCCH and/or the PSSCH.
  • the user identification information is 1 byte (8 bits) in length, and the value of the 8 bits of user identification information is modulo 8 operation.
  • the result obtained is 7, and the PRS is the seventh signal sequence in the received data block.
  • it may be derived from the characteristics of the DMRS included in the information received by the PSCCH and/or the PSSCH, such as by a cyclic shift of the DMRS.
  • the remaining relevant attributes of the positioning reference signal may also be specific bits contained in the information received by the PSCCH and/or PSSCH.
  • the remaining relevant attributes of the positioning reference signal can also be derived from other information contained in the information received by the PSCCH and/or PSSCH.
  • the user identification information contained in the information received by the PSCCH and/or the PSSCH can be derived.
  • the characteristics of the DMRS included in the information received by the PSCCH and/or the PSSCH may be derived, for example, by a cyclic shift of the DMRS.
  • Embodiment 4 The PSCCH separately schedules the positioning reference signal; or, the PSCCH schedules the PSSCH and corresponds to the positioning reference signal.
  • Embodiment 5 The frequency position of the positioning reference signal is the same as the frequency position at which the information is received by the PSCCH and/or the PSSCH; or the frequency position of the positioning reference signal is in one-to-one correspondence with the frequency position at which the PSCCH and/or the PSSCH receive information. of.
  • Embodiment 6 The frequency position of the positioning reference signal is different from the frequency position at which the PSCCH and/or PSSCH receive information.
  • the positioning reference signal occupies a larger bandwidth than the PSCCH and/or PSSCH.
  • the positioning reference signal occupies the full bandwidth of the PSCCH and/or the PSSCH, in which case only the first user equipment occupying the specific time position and/or frequency position of the PSSCH and/or PSSCH may be allowed to transmit the positioning reference signal. .
  • the time-frequency position of the PRS may be implicitly obtained by the time-frequency position of information reception through the PSCCH and/or the PSSCH, and the signal of the PRS.
  • the sequence may be explicitly obtained by the content of the information received by the PSCCH and/or the PSSCH; or conversely, the signal sequence of the PRS is implicitly obtained by the time-frequency position of the information received by the PSCCH and/or the PSSCH, and the time-frequency position of the PRS is passed through the PSCCH. And/or the content of the information received by the PSSCH is explicitly obtained.
  • the second embodiment is a method embodiment corresponding to the present embodiment, and the present embodiment can be implemented in cooperation with the second embodiment.
  • the related technical details mentioned in the second embodiment are still effective in the present embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the second embodiment.
  • each module mentioned in each device implementation manner of the present invention is a logic module.
  • a logic module may be a physical module, a part of a physical module, or multiple physical entities.
  • the combined implementation of modules, the physical implementation of these logic modules themselves is not the most important, the combination of the functions implemented by these logic modules is the key to solving the technical problems raised by the present invention.
  • the above-mentioned various device embodiments of the present invention do not introduce a module that is not closely related to solving the technical problem proposed by the present invention, which does not indicate that the above device implementation does not have other Module.
  • the implementation functions of the modules shown in the foregoing user equipment implementation manner can be understood by referring to the related description of the method for transmitting a positioning signal between the user equipment and the method for receiving a positioning signal.
  • the functions of the modules shown in the above embodiments of the user equipment may be implemented by a program running on a processor, or may be implemented by a specific logic circuit.
  • the user equipment when the user equipment is implemented in the form of a software function module and sold or used as a separate product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • embodiments of the invention are not limited to any specific combination of hardware and software.
  • the embodiment of the present invention further provides a computer storage medium, wherein a computer executable instruction is stored, and the computer executable instruction is executed by a processor to implement a method for transmitting a positioning signal between the user equipments of the embodiment of the present invention.
  • a method of receiving a positioning signal is provided.
  • an action is performed according to an element, it means the meaning of performing the action at least according to the element, and includes two cases: the action is performed only according to the element, and according to the element and Other elements perform this behavior.
  • the expressions of plural, multiple, and plural include 2, 2, 2, and 2 or more, 2 or more, and 2 or more.

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Abstract

本申请涉及无线通信领域，公开了一种用户设备及用户设备之间发送和接收定位信号的方法。本申请中，第一用户设备在通信接口上发送定位参考信号，并且在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，PSCCH和/或PSSCH的信息发射指示定位参考信号的相关属性。通过用户设备和用户设备之间直接通信的方式来实现用户设备之间的相互定位，具有更高的频谱效率以及更低的传输时延，能够达到更高的定位精度。

Description

用户设备及用户设备之间发送和接收定位信号的方法 技术领域
本申请涉及无线通信领域，特别涉及一种用户设备之间发送和接收定位信号的技术。
背景技术
车联网系统是基于LTE-D2D的一种侧行链路传输技术(SL：Sidelink，侧行链路)，与传统的LTE系统中通信数据通过基站接收或者发送的方式不同，车联网系统采用终端到终端直接通信的方式，因此具有更高的频谱效率以及更低的传输时延。
但是,车联网系统中仍然存在的问题是定位精度的问题，即单独靠卫星定位(例如GPS，北斗等)的定位精度无法区别车道(需要亚米级定位)，这就需要通过车车之间再次相互定位，从而对GPS定位的精度进行修正。而这带来的首要问题就是如何在车车之间进行相互定位，即如何发送车车定位的信号。
发明内容
本申请的目的在于提供一种用户设备及用户设备之间发送和接收定位信号的方法，通过用户设备之间的相互定位，从而达到更高的定位精度。
为了解决上述问题，本申请公开了一种用户设备之间发送定位信号的方法，包括：
第一用户设备在通信接口上发送定位参考信号，并且在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，该PSCCH和/或PSSCH的信息发射指示该定位参考信号的相关属性。
本申请还公开了一种用户设备之间接收定位信号的方法，包括：
第二用户设备在通信接口上接收定位参考信号，并且在与第一用户设备对应的物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息接收；
该第二用户设备根据该PSCCH和/或PSSCH的信息接收确定该定位参考信号的相关属性。
本申请还公开了一种用户设备，包括：
第一发送模块，用于在通信接口上发送定位参考信号；
第二发送模块，用于在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，该PSCCH和/或PSSCH的信息发射指示该定位参考信号的相关属性。
本申请还公开了一种用户设备，包括：
第一接收模块，用于在通信接口上接收定位参考信号；
第二接收模块，用于在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息接收；
确定模块，用于根据该PSCCH和/或PSSCH的信息接收确定该定位参考信号的相关属性。
本申请还公开了一种计算机存储介质，其上存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现权利要求1-12中任一项所述的方法步骤，或者权利要求13-24中任一项所述的方法步骤。
本申请实施方式与现有技术相比，通过用户设备和用户设备之间直接通信的方式来实现用户设备之间的相互定位，具有更高的频谱效率以及更低的传输时延，能够达到更高的定位精度。
本申请的说明书中记载了大量的技术特征，分布在各个技术方案中，如果要罗列出本申请所有可能的技术特征的组合(即技术方案)的话，会使得说明书过于冗长。为了避免这个问题，本申请上述发明内容中公开的各个技术特征、在下文各个实施方式和例子中公开的各技术特征、以及附图中公开的各个技术特征，都可以自由地互相组合，从而构成各种新的技术方案(这些技术方案均因视为在本说明书中已经记载)，除非这种技术特征的组合在技术上是不可行的。例如，在一个例子中公开了特征A+B+C，在另一个例子中公开了特征A+B+D+E，而特征C和D是起到相同作用的等同技术手段，技术上只要择一使用即可，不可能同时采用，特征E技术上可以与特征C相组合，则，A+B+C+D的方案因技术不可行而应当不被视为已经记载，而A+B+C+E的方案应当视为已经被记载。
附图说明
图1是5G通信系统中模式3的示意图；
图2是5G通信系统中模式4的示意图；
图3是本申请第一实施方式中一种用户设备之间发送定位信号的方法的流程示意图；
图4是本申请第二实施方式中一种用户设备之间接收定位信号的方法的流程示意图；
图5是本申请第三实施方式中一种用户设备的结构示意图；
图6是本申请第四实施方式中一种用户设备的结构示意图。
具体实施方式
在以下的叙述中，为了使读者更好地理解本申请而提出了许多技术细节。但是，本领域的普通技术人员可以理解，即使没有这些技术细节和基于以下各实施方式的种种变化和修改，也可以实现本申请所要求保护的技术方案。
部分术语的说明：
LTE：Long Term Evaluation，长期演进
V2V：Vehicle to Vehicle，车辆到车辆
V2X：Vehicle to Everything，车辆到其他设备
D2D：Device to Device，终端到终端
SA：Scheduling Assignment，调度分配
DCI：Downlink Control Information，下行链路控制信息
SCI：Sidelink Control Information，侧行链路控制信息
PSCCH：Physical Sidelink Control Channel，物理侧行控制信道
PSSCH：Physical Sidelink Shared Channel，物理侧行共享信道
PDCP：Packet Data Convergence Protocol，分组数据汇聚协议
RLC：Radio Link Control，无线链路层控制协议
SL：Sidelink，侧行链路
UE：User Equipment，用户设备
PRS:PositioningReferenceSignal，定位参考信号
DMRS：Demodulation Reference Signal，解调参考信号
cyclic shift，循环移位
下面简要介绍一下本申请的应用场景：
在3GPP Rel-14中对车联网技术(V2X)进行了标准化，定义了两种传输模式：模式3和模式4，具体地说：
模式3：如图1所示，车载终端的传输资源是由基站分配的，车载终端根据基站分配的资源在侧行链路上进行数据的发送；基站可以为终端分配单次传输的资源，也可以为终端分配半静态传输的资源。
模式4：如图2所示，车载终端采用侦听(sensing)+预留(reservation)的传输方式。车载终端在资源池中通过侦听的方式获取可用的传输资源集合，终端从该集合中随机选取一个资源进行数据的传输。由于车联网系统中的业务具有周期性特征，因此终端通常采用半静态传输的方式，即终端选取一个传输资源后，就会在多个传输周期中持续的使用该资源，从而降低资源重选以及资源冲突的概率。终端会在本次传输的控制信息中携带预留下次传输资源的信息，从而使得其他终端可以通过检测该用户的控制信息判断这块资源是否被该用户预留和使用，达到降低资源冲突的目的。
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本发明的实施方式作进一步地详细描述。
首先，需要说明的是，
在本申请的各实施方式中，所提到的用户设备可以是多种多样的，例如智能手机、平板电脑、台式电脑、笔记本电脑、定制的无线终端、物联网节点、无线通信模块等等，只要相互之间能够根据约定的通信协议进行无线通信即可。
本申请的技术方案可以(但不限于)应用于车联网系统中。
本申请第一实施方式涉及一种用户设备之间发送定位信号的方法。图3是该用户设备之间发送定位信号的方法的流程示意图。
具体地说，如图3所示，该用户设备之间发送定位信号的方法包括：
在步骤301中，第一用户设备在通信接口上发送定位参考信号。
在步骤302中，在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，PSCCH和/或PSSCH的信息发射指示定位参考信号的相关属性。
需要说明的是，步骤301和步骤302没有必然的先后关系，可以先发送定位参考信号，再在PSCCH和/或PSSCH进行信息发射；也可以先在PSCCH和/或PSSCH进行信息发射，再发送定位参考信号；也可以同时发送定位参考信号，和在PSCCH和/或PSSCH进行信息发射。
此后结束本流程。
在步骤301中，通信接口是指用户设备和用户设备之间的通信接口，在本实施方式中，优选地，为PC5接口。
在步骤302中，第一用户设备具有对应的PSCCH和/或PSSCH，在与第一用户设备对应的PSCCH和/或PSSCH进行信息发射，该信息发射包含了PSCCH和/或PSSCH与定位参考信号PRS的对应关系。换句话说，在步骤302中，通过确定PSCCH和/或PSSCH与PRS的对应关系，从而确定发送UE(第一用户设备)与PRS的对应关系。
定位参考信号的相关属性包括至少以下之一：定位参考信号的时间位置、频率位置、以及信号序列。
步骤302可以有多种实现方式，下面举例说明：
步骤302的第一种实现方式可以是，通过PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示定位参考信号的相关属性。换句话说，定位参考信号的相关属性可以通过PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置隐式获得。该第一种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置与PSCCH和/或PSSCH进行信息发射的时间位置是相同的；或者，定位参考信号的时间位置与PSCCH和/或PSSCH进行信息发射的时间位置是一一对应的。
实施例2：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例3：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是一一对应的。
实施例4：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
步骤302的第二种实现方式可以是，通过PSCCH和/或PSSCH所发射的 信息的内容指示定位参考信号的相关属性。换句话说，定位参考信号的相关属性可以通过PSCCH和/或PSSCH所发射的信息的内容显式获得。该第二种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置通过PSCCH和/或PSSCH所发射的信息的内容指示。
实施例2：定位参考信号的频率位置通过PSCCH和/或PSSCH所发射的信息的内容指示。
实施例3：定位参考信号的信号序列是在PSCCH和/或PSSCH所发射的信息中包含的特定比特，或者能够通过PSCCH和/或PSSCH所发射的信息中包含的其他信息推得。
定位参考信号的信号序列通过PSCCH和/或PSSCH所发射的信息中包含的其他信息推得的情况，例如，可以通过PSCCH和/或PSSCH所发射的信息中包含的用户标识信息推得。举个例子来说，假设发射数据块中共有8个信号序列，该用户标识信息为1个字节(8个比特)的长度，将该8个比特的用户标识信息的值进行取模8运算得到的结果为7，则PRS为发射数据块中的第7个信号序列。或者，也可以通过PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
或者，除了信号序列之外，定位参考信号的其余相关属性也可以是在PSCCH和/或PSSCH所发射的信息中包含的特定比特。
或者，定位参考信号的其余相关属性也能够通过PSCCH和/或PSSCH所发射的信息中包含的其他信息推得。例如，可以通过PSCCH和/或PSSCH所发射的信息中包含的用户标识信息推得。又例如，可以通过PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
实施例4：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例5：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是一一对应的。
实施例6：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
此外，需要说明的是，上述列举出的步骤302的两种实现方式可以组合使用，例如，PRS的时频位置可以通过PSCCH和/或PSSCH进行信息发射的时频位置隐式获得，PRS的信号序列可以通过PSCCH和/或PSSCH所发射的信息的内容显式获得；或者反过来，PRS的信号序列通过PSCCH和/或PSSCH进行信息发射的时频位置隐式获得，PRS的时频位置通过PSCCH和/或PSSCH所发射的信息的内容显式获得。
这样，接收用户设备(第二用户设备)通过PSCCH和/或PSSCH就可以获知PRS的时频位置、信号序列，以及发送UE(发送用户设备，即第一用户设备)与PRS的对应关系，从而实现在用户设备之间发送定位信号，在用户设备之间进行相互定位。
本申请第二实施方式涉及一种用户设备之间接收定位信号的方法。
第一实施方式是用户设备之间发送定位信号的方法，第二实施方式是用户设备之间接收定位信号的方法，两者是相对应的过程，技术构思是一致的，相关的细节可以互用。图4是该用户设备之间接收定位信号的方法的流程示意图。
具体地说，如图4所示，该用户设备之间接收定位信号的方法包括：
在步骤401中，第二用户设备在通信接口上接收定位参考信号。
在步骤402中，在与第一用户设备对应的物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息接收。
需要说明的是，步骤401和步骤402没有必然的先后关系，可以先接收定位参考信号，再在PSCCH和/或PSSCH进行信息接收；也可以先在PSCCH和/或PSSCH进行信息接收，再接收定位参考信号；也可以同时接收定位参考信号，和在PSCCH和/或PSSCH进行信息接收。
在步骤403中，第二用户设备根据PSCCH和/或PSSCH的信息接收确定定位参考信号的相关属性。
此后结束本流程。
在步骤401中，通信接口是指用户设备和用户设备之间的通信接口，在本实施方式中，优选地，为PC5接口。
在步骤402中，信息接收包含了PSCCH和/或PSSCH与定位参考信号PRS的对应关系。在步骤403中，通过确定PSCCH和/或PSSCH与PRS的对应关系，从而确定发送UE(第一用户设备)与PRS的对应关系。
需要说明的是，本申请第一实施方式中PSCCH和/或PSSCH进行信息发射的时间位置、频率位置、所发射的信息的内容与本实施方式中PSCCH和/或PSSCH进行信息接收的时间位置、频率位置、所接收的信息的内容是相同的。
定位参考信号的相关属性包括至少以下之一：定位参考信号的时间位置、频率位置、以及信号序列。
步骤403可以有多种实现方式，下面举例说明：
步骤403的第一种实现方式可以是，通过PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定定位参考信号的相关属性。换句话说，定位参考信号的相关属性可以通过PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置隐式获得。该第一种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置与PSCCH和/或PSSCH进行信息接收的时间位置是相同的；或者，定位参考信号的时间位置与PSCCH和/或PSSCH进行信息接收的时间位置是一一对应的。
实施例2：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例3：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是一一对应的。
实施例4：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情 况下，可以只允许占用PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
步骤403的第二种实现方式可以是，通过PSCCH和/或PSSCH所接收的信息的内容确定定位参考信号的相关属性。换句话说，定位参考信号的相关属性能够通过PSCCH和/或PSSCH所接收的信息的内容显式获得。该第二种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置通过PSCCH和/或PSSCH所接收的信息的内容指示。
实施例2：定位参考信号的频率位置通过PSCCH和/或PSSCH所接收的信息的内容指示。
实施例3：定位参考信号的信号序列是在PSCCH和/或PSSCH所接收的信息中包含的特定比特，或者能够通过PSCCH和/或PSSCH所接收的信息中包含的其他信息推得。
定位参考信号的信号序列通过PSCCH和/或PSSCH所接收的信息中包含的其他信息推得的情况，例如，可以通过PSCCH和/或PSSCH所接收的信息中包含的用户标识信息推得。举个例子来说，假设接收数据块中共有8个信号序列，该用户标识信息为1个字节(8个比特)的长度，将该8个比特的用户标识信息的值进行取模8运算得到的结果为7，则PRS为接收数据块中的第7个信号序列。或者，也可以通过PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
或者，除了信号序列之外，定位参考信号的其余相关属性也可以是在PSCCH和/或PSSCH所接收的信息中包含的特定比特。
或者，定位参考信号的其余相关属性也能够通过PSCCH和/或PSSCH所接收的信息中包含的其他信息推得。例如，可以通过PSCCH和/或PSSCH所接收的信息中包含的用户标识信息推得。又例如，可以通过PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
实施例4：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例5：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是一一对应的。
实施例6：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
此外，需要说明的是，上述列举出的步骤403的两种实现方式可以组合使用，例如，PRS的时频位置可以通过PSCCH和/或PSSCH进行信息接收的时频位置隐式获得，PRS的信号序列可以通过PSCCH和/或PSSCH所接收的信息的内容显式获得；或者反过来，PRS的信号序列通过PSCCH和/或PSSCH进行信息接收的时频位置隐式获得，PRS的时频位置通过PSCCH和/或PSSCH所接收的信息的内容显式获得。
这样，接收用户设备(第二用户设备)通过PSCCH和/或PSSCH就可以获知PRS的时频位置、信号序列，以及发送UE(发送用户设备，即第一用户设备)与PRS的对应关系，从而实现在用户设备之间发送和接收定位信号，在用户设备之间进行相互定位。
本申请第三实施方式涉及一种用户设备。
图5是该用户设备的结构示意图，具体地说，如图5所示，该用户设备包括：
第一发送模块，用于在通信接口上发送定位参考信号，其中，通信接口是指用户设备和用户设备之间的通信接口，在本实施方式中，优选地，为PC5接口。
第二发送模块，用于在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，PSCCH和/或PSSCH的信息发射指示定位参考信号的相关属性。
定位参考信号的相关属性包括至少以下之一：定位参考信号的时间位置、频率位置、以及信号序列。
第二发送模块，通过确定确定PSCCH和/或PSSCH与PRS的对应关系，从而确定发送UE与PRS的对应关系。第二发送模块可以有多种实现方式， 下面举例说明：
第二发送模块的第一种实现方式可以是，通过PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示定位参考信号的相关属性。换句话说，定位参考信号的相关属性可以通过PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置隐式获得。该第一种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置与PSCCH和/或PSSCH进行信息发射的时间位置是相同的；或者，定位参考信号的时间位置与PSCCH和/或PSSCH进行信息发射的时间位置是一一对应的。
实施例2：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例3：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是一一对应的。
实施例4：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
第二发送模块的第二种实现方式可以是，通过PSCCH和/或PSSCH所发射的信息的内容指示定位参考信号的相关属性。换句话说，定位参考信号的相关属性可以通过PSCCH和/或PSSCH所发射的信息的内容显式获得。该第二种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置通过PSCCH和/或PSSCH所发射的信息的内容指示。
实施例2：定位参考信号的频率位置通过PSCCH和/或PSSCH所发射的信息的内容指示。
实施例3：定位参考信号的信号序列是在PSCCH和/或PSSCH所发射的信息中包含的特定比特，或者能够通过PSCCH和/或PSSCH所发射的信息中包 含的其他信息推得。
定位参考信号的信号序列通过PSCCH和/或PSSCH所发射的信息中包含的其他信息推得的情况，例如，可以通过PSCCH和/或PSSCH所发射的信息中包含的用户标识信息推得。举个例子来说，假设发射数据块中共有8个信号序列，该用户标识信息为1个字节(8个比特)的长度，将该8个比特的用户标识信息的值进行取模8运算得到的结果为7，则PRS为发射数据块中的第7个信号序列。或者，也可以通过PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
或者，除了信号序列之外，定位参考信号的其余相关属性也可以是在PSCCH和/或PSSCH所发射的信息中包含的特定比特。
或者，定位参考信号的其余相关属性也能够通过PSCCH和/或PSSCH所发射的信息中包含的其他信息推得。例如，可以通过PSCCH和/或PSSCH所发射的信息中包含的用户标识信息推得。又例如，可以通过PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
实施例4：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例5：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是一一对应的。
实施例6：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息发射的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送所述定位参考信号。
此外，需要说明的是，上述列举出的第二发送模块的两种实现方式可以组合使用，例如，PRS的时频位置可以通过PSCCH和/或PSSCH进行信息发射的时频位置隐式获得，PRS的信号序列可以通过PSCCH和/或PSSCH所发射的信息的内容显式获得；或者反过来，PRS的信号序列通过PSCCH和/或PSSCH 进行信息发射的时频位置隐式获得，PRS的时频位置通过PSCCH和/或PSSCH所发射的信息的内容显式获得。
第一实施方式是与本实施方式相对应的方法实施方式，本实施方式可与第一实施方式互相配合实施。第一实施方式中提到的相关技术细节在本实施方式中依然有效，为了减少重复，这里不再赘述。相应地，本实施方式中提到的相关技术细节也可应用在第一实施方式中。
本申请第四实施方式涉及一种用户设备。
图6是该用户设备的结构示意图，具体地说，如图6所示，该用户设备包括：
第一接收模块，用于在通信接口上接收定位参考信号，其中，通信接口是指用户设备和用户设备之间的通信接口，在本实施方式中，优选地，为PC5接口。
第二接收模块，用于在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息接收。
确定模块，用于根据PSCCH和/或PSSCH的信息接收确定定位参考信号的相关属性。
定位参考信号的相关属性包括至少以下之一：定位参考信号的时间位置、频率位置、以及信号序列。
确定模块通过确定PSCCH和/或PSSCH与PRS的对应关系，从而确定发送UE(第一用户设备)与PRS的对应关系。确定模块可以有多种实现方式，下面举例说明：
确定模块的第一种实现方式可以是，通过PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定定位参考信号的相关属性。换句话说，定位参考信号的相关属性可以通过PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置隐式获得。该第一种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置与PSCCH和/或PSSCH进行信息接收的时间位置是相同的；或者，定位参考信号的时间位置与PSCCH和/或PSSCH进行信息接收的时间位置是一一对应的。
实施例2：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例3：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是一一对应的。
实施例4：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
确定模块的第二种实现方式可以是，通过PSCCH和/或PSSCH所接收的信息的内容确定定位参考信号的相关属性。换句话说，定位参考信号的相关属性能够通过PSCCH和/或PSSCH所接收的信息的内容显式获得。该第二种实现方式，也可以有多种优选的实施例，具体如下所述：
实施例1：定位参考信号的时间位置通过PSCCH和/或PSSCH所接收的信息的内容指示。
实施例2：定位参考信号的频率位置通过PSCCH和/或PSSCH所接收的信息的内容指示。
实施例3：定位参考信号的信号序列是在PSCCH和/或PSSCH所接收的信息中包含的特定比特，或者能够通过PSCCH和/或PSSCH所接收的信息中包含的其他信息推得。
定位参考信号的信号序列通过PSCCH和/或PSSCH所接收的信息中包含的其他信息推得的情况，例如，可以通过PSCCH和/或PSSCH所接收的信息中包含的用户标识信息推得。举个例子来说，假设接收数据块中共有8个信号序列，该用户标识信息为1个字节(8个比特)的长度，将该8个比特的用户标识信息的值进行取模8运算得到的结果为7，则PRS为接收数据块中的第7个信号序列。或者，也可以通过PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
或者，除了信号序列之外，定位参考信号的其余相关属性也可以是在PSCCH和/或PSSCH所接收的信息中包含的特定比特。
或者，定位参考信号的其余相关属性也能够通过PSCCH和/或PSSCH所 接收的信息中包含的其他信息推得。例如，可以通过PSCCH和/或PSSCH所接收的信息中包含的用户标识信息推得。又例如，可以通过PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征推得，比如通过DMRS的循环移位(cyclic shift)推得。
实施例4：PSCCH单独调度定位参考信号；或者，PSCCH调度PSSCH的同时，对应定位参考信号。
实施例5：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是相同的；或者，定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是一一对应的。
实施例6：定位参考信号的频率位置与PSCCH和/或PSSCH进行信息接收的频率位置是不同的。例如，定位参考信号占用比PSCCH和/或PSSCH更大的带宽。或者，定位参考信号占用PSCCH和/或PSSCH的全带宽，在这种情况下，可以只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的第一用户设备发送定位参考信号。
此外，需要说明的是，上述列举出的确定模块的两种实现方式可以组合使用，例如，PRS的时频位置可以通过PSCCH和/或PSSCH进行信息接收的时频位置隐式获得，PRS的信号序列可以通过PSCCH和/或PSSCH所接收的信息的内容显式获得；或者反过来，PRS的信号序列通过PSCCH和/或PSSCH进行信息接收的时频位置隐式获得，PRS的时频位置通过PSCCH和/或PSSCH所接收的信息的内容显式获得。
第二实施方式是与本实施方式相对应的方法实施方式，本实施方式可与第二实施方式互相配合实施。第二实施方式中提到的相关技术细节在本实施方式中依然有效，为了减少重复，这里不再赘述。相应地，本实施方式中提到的相关技术细节也可应用在第二实施方式中。
需要说明的是，本发明各设备实施方式中提到的各模块都是逻辑模块，在物理上，一个逻辑模块可以是一个物理模块，也可以是一个物理模块的一部分，还可以以多个物理模块的组合实现，这些逻辑模块本身的物理实现方式并不是最重要的，这些逻辑模块所实现的功能的组合才是解决本发明所提出的技术问题的关键。此外，为了突出本发明的创新部分，本发明上述各设 备实施方式并没有将与解决本发明所提出的技术问题关系不太密切的模块引入，这并不表明上述设备实施方式并不存在其它的模块。
需要说明的是，本领域技术人员应当理解，上述用户设备实施方式中所示的各模块的实现功能可参照前述用户设备之间发送定位信号的方法和接收定位信号的方法的相关描述而理解。上述用户设备实施方式中所示的各模块的功能可通过运行于处理器上的程序而实现，也可通过具体的逻辑电路而实现。本发明实施例上述用户设备如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实施例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中，包括若干指令用以使得一台计算机设备(可以是个人计算机、服务器、或者网络设备等)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read Only Memory)、磁碟或者光盘等各种可以存储程序代码的介质。这样，本发明实施例不限制于任何特定的硬件和软件结合。
相应地，本发明实施例还提供一种计算机存储介质，其中存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现本发明实施例的上述用户设备之间发送定位信号的方法和接收定位信号的方法。
需要说明的是，在本专利的申请文件中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，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、物品或者设备不仅包括那些要素，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、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。本专利的申请文件中，如果提到根据某要素执行某行为，则是指至少根据该要素执行该行为的意思，其中包括了两种情况：仅根据该要素执行该行为、和根据该要素和其它要素执行该行为。多个、多次、多种 等表达包括2个、2次、2种以及2个以上、2次以上、2种以上。
在本申请提及的所有文献都在本申请中引用作为参考，就如同每一篇文献被单独引用作为参考那样。此外应理解，在阅读了本申请的上述讲授内容之后，本领域技术人员可以对本申请作各种改动或修改，这些等价形式同样落于本申请所要求保护的范围。

Claims (49)

  1. 一种用户设备之间发送定位信号的方法，其特征在于，包括：
    第一用户设备在通信接口上发送定位参考信号，并且在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，所述PSCCH和/或PSSCH的信息发射指示所述定位参考信号的相关属性。
  2. 根据权利要求1所述的用户设备之间发送定位信号的方法，其特征在于，所述信息发射指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性。
  3. 根据权利要求2所述的用户设备之间发送定位信号的方法，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  4. 根据权利要求2或3所述的用户设备之间发送定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性，包括：所述定位参考信号的时间位置与所述PSCCH和/或PSSCH进行信息发射的时间位置是相同的。
  5. 根据权利要求2或3所述的用户设备之间发送定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性，包括：所述定位参考信号的频率位置与所述PSCCH和/或PSSCH进行信息发射的频率位置是相同的。
  6. 根据权利要求2或3所述的用户设备之间发送定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性，包括：只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的所述第一用户设备发送所述定位参考信号。
  7. 根据权利要求1所述的用户设备之间发送定位信号的方法，其特征在于，所述信息发射指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所发射的信息的内容指示所述定位参考信号的相关属性。
  8. 根据权利要求7所述的用户设备之间发送定位信号的方法，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  9. 根据权利要求7或8所述的用户设备之间发送定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH所发射的信息的内容指示所述定位参考信号的相关属性，包括:通过所述PSCCH和/或PSSCH所发射的信息中包含的用户标识信息指示所述定位参考信号的相关属性。
  10. 根据权利要求7或8所述的用户设备之间发送定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH所发射的信息的内容指示所述定位参考信号的相关属性，包括:通过所述PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征指示所述定位参考信号的相关属性。
  11. 根据权利要求10所述的用户设备之间发送定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所发射的信息中包含的DMRS的循环移位指示所述定位参考信号的相关属性。
  12. 根据权利要求1所述的用户设备之间发送定位信号的方法，其特征在于，所述通信接口是用户设备和用户设备之间的通信接口。
  13. 一种用户设备之间接收定位信号的方法，其特征在于，包括：
    第二用户设备在通信接口上接收定位参考信号，并且在与第一用户设备对应的物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息接收；
    所述第二用户设备根据所述PSCCH和/或PSSCH的信息接收确定所述定位参考信号的相关属性。
  14. 根据权利要求13所述的用户设备之间接收定位信号的方法，其特征在于，所述根据所述PSCCH和/或PSSCH的信息接收确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性。
  15. 根据权利要求14所述的用户设备之间接收定位信号的方法，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  16. 根据权利要求14或15所述的用户设备之间接收定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性，包括：所述定位参考信号的时间位置与所述PSCCH和/或PSSCH进行信息接收的时间位置是相同的。
  17. 根据权利要求14或15所述的用户设备之间接收定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性，包括：所述定位参考信号的频率位置与所述PSCCH和/或PSSCH进行信息接收的频率位置是相同的。
  18. 根据权利要求15所述的用户设备之间接收定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性，包括：只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的所述第一用户设备发送所述定位参考信号。
  19. 根据权利要求13所述的用户设备之间接收定位信号的方法，其特征在于，所述根据所述PSCCH和/或PSSCH的信息接收确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息的内容确定所述定位参考信号的相关属性。
  20. 根据权利要求19所述的用户设备之间接收定位信号的方法，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  21. 根据权利要求19或20所述的用户设备之间接收定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH所接收的信息的内容确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息中包含的用户标识信息确定所述定位参考信号的相关属性。
  22. 根据权利要求19或20所述的用户设备之间接收定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH所接收的信息的内容确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征确定所述定位参考信号的相关属性。
  23. 根据权利要求22所述的用户设备之间接收定位信号的方法，其特征在于，所述通过所述PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息中包含的DMRS的循环移位确定所述定位参考信号的相关属性。
  24. 根据权利要求13所述的用户设备之间接收定位信号的方法，其特征在于，所述通信接口是用户设备和用户设备之间的通信接口。
  25. 一种用户设备，其特征在于，包括：
    第一发送模块，用于在通信接口上发送定位参考信号；
    第二发送模块，用于在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息发射，其中，所述PSCCH和/或PSSCH的信息发射指示所述定位参考信号的相关属性。
  26. 根据权利要求25所述的用户设备，其特征在于，所述信息发射指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性。
  27. 根据权利要求26所述的用户设备，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  28. 根据权利要求26或27所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性，包括：所述定位参考信号的时间位置与所述PSCCH和/或PSSCH进行信息发射的时间位置是相同的。
  29. 根据权利要求26或27所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性，包括：所述定位参考信号的频率位置与所述PSCCH和/或PSSCH进行信息发射的频率位置是相同的。
  30. 根据权利要求26或27所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息发射的时间位置和/或频率位置指示所述定位参考信号的相关属性，包括：只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的所述第一发送模块发送所述定位参考信号。
  31. 根据权利要求25所述的用户设备，其特征在于，所述信息发射指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所发射的信息的内容指示所述定位参考信号的相关属性。
  32. 根据权利要求31所述的用户设备，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  33. 根据权利要求31或32所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH所发射的信息的内容指示所述定位参考信号的相关属性，包 括：通过所述PSCCH和/或PSSCH所发射的信息中包含的用户标识信息指示所述定位参考信号的相关属性。
  34. 根据权利要求31或32所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH所发射的信息的内容指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征指示所述定位参考信号的相关属性。
  35. 根据权利要求34所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH所发射的信息中包含的DMRS的特征指示所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所发射的信息中包含的DMRS的循环移位指示所述定位参考信号的相关属性。
  36. 根据权利要求25所述的用户设备，其特征在于，所述通信接口是用户设备和用户设备之间的通信接口。
  37. 一种用户设备，其特征在于，包括：
    第一接收模块，用于在通信接口上接收定位参考信号；
    第二接收模块，用于在物理侧行控制信道PSCCH和/或物理侧行共享信道PSSCH进行信息接收；
    确定模块，用于根据所述PSCCH和/或PSSCH的信息接收确定所述定位参考信号的相关属性。
  38. 根据权利要求37所述的用户设备，其特征在于，所述根据所述PSCCH和/或PSSCH的信息接收确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性。
  39. 根据权利要求38所述的用户设备，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  40. 根据权利要求38或39所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性，包括：所述定位参考信号的时间位置与所述PSCCH和/或PSSCH进行信息接收的时间位置是相同的。
  41. 根据权利要求38或39所述的用户设备，其特征在于，所述通过所述 PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性，包括：所述定位参考信号的频率位置与所述PSCCH和/或PSSCH进行信息接收的频率位置是相同的。
  42. 根据权利要求38或39所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH进行信息接收的时间位置和/或频率位置确定所述定位参考信号的相关属性，包括：只允许占用所述PSSCH和/或PSSCH的特定时间位置和/或频率位置的所述第一用户设备发送所述定位参考信号。
  43. 根据权利要求37所述的用户设备，其特征在于，所述根据所述PSCCH和/或PSSCH的信息接收确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息的内容确定所述定位参考信号的相关属性。
  44. 根据权利要求43所述的用户设备，其特征在于，所述定位参考信号的相关属性包括至少以下之一：所述定位参考信号的时间位置、频率位置、以及信号序列。
  45. 根据权利要求43或44所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH所接收的信息的内容确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息中包含的用户标识信息确定所述定位参考信号的相关属性。
  46. 根据权利要求43或44所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH所接收的信息的内容确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征确定所述定位参考信号的相关属性。
  47. 根据权利要求46所述的用户设备，其特征在于，所述通过所述PSCCH和/或PSSCH所接收的信息中包含的DMRS的特征确定所述定位参考信号的相关属性，包括：通过所述PSCCH和/或PSSCH所接收的信息中包含的DMRS的循环移位确定所述定位参考信号的相关属性。
  48. 根据权利要求37所述的用户设备，其特征在于，所述通信接口是用户设备和用户设备之间的通信接口。
  49. 一种计算机存储介质，其上存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现权利要求1-12中任一项所述的方法步骤，或者权利要求13-24中任一项所述的方法步骤。
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