WO2023208114A1 - 定位方法、装置、终端及网络设备 - Google Patents
定位方法、装置、终端及网络设备 Download PDFInfo
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- WO2023208114A1 WO2023208114A1 PCT/CN2023/091168 CN2023091168W WO2023208114A1 WO 2023208114 A1 WO2023208114 A1 WO 2023208114A1 CN 2023091168 W CN2023091168 W CN 2023091168W WO 2023208114 A1 WO2023208114 A1 WO 2023208114A1
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- prs
- terminal
- information
- positioning
- measurement
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Classifications
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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
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- 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
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- 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
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
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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
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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
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- 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 disclosure relates to the field of communication technology, and in particular, to a positioning method, device, terminal and network equipment.
- Corresponding positioning measurement values are defined for each positioning technology in New Radio (NR).
- the user equipment User Equipment, UE, also called terminal equipment
- measures the downlink positioning reference signal Downlink Positioning Reference
- Signal, DL PRS Downlink Positioning Reference
- the uplink positioning technology uses the base station gNB to measure the uplink positioning reference signal (Uplink Positioning Reference Signal, UL SRS) reference signal to obtain the positioning measurement value and report it.
- UL SRS Uplink Positioning Reference Signal
- the above positioning method is based on Uu port positioning. Since the location of the base station is known, absolute positioning of the terminal device can be achieved.
- the purpose of this disclosure is to provide a positioning method, device, terminal and network equipment to solve the problem of using positioning methods in related technologies.
- terminal positioning cannot be performed without network coverage and GPS signal support. The problem.
- An embodiment of the present disclosure provides a positioning method, which is executed by a first terminal.
- the method includes:
- trigger signaling Send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, And report the first measurement information corresponding to the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- Measurement and positioning are performed according to the sent trigger signaling.
- the method further includes:
- the method further includes:
- Second measurement information measuring the second SL-PRS is obtained.
- the positioning method wherein the measurement and positioning is performed according to the sent trigger signaling, includes:
- Measurement and positioning are performed based on one or more of the following information obtained after sending the trigger signaling:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the second measurement information includes one or more of the following information:
- the method before sending the trigger signaling, the method further includes:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the positioning method after performing measurement and positioning, the method further includes:
- the positioning method further includes:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the positioning method further includes:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the positioning method further includes:
- the absolute position of the first terminal is obtained.
- the positioning method further includes:
- the positioning method wherein, in the case where the at least one first device includes a roadside unit RSU, the method further includes:
- the method further includes:
- the absolute position of the first terminal is determined.
- the positioning method further includes:
- the deactivation signaling is used to deactivate the transmission of the first SL-PRS
- the deactivation signaling is used to deactivate the transmission of the second SL-PRS.
- An embodiment of the present disclosure also provides a positioning method, which is executed by the first device, and the method includes:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- the second trigger signaling is used to instruct the at least one first device to send a second SL-PRS.
- the method further includes:
- the first measurement information is reported to the first terminal and/or the positioning server.
- the method further includes:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the positioning method before receiving the trigger signaling, the method further includes:
- the positioning method further includes:
- the relative position information is the relative position between the first terminal and the at least one first device.
- the positioning method further includes:
- the method when the first device is a roadside unit RSU, the method further includes:
- An embodiment of the present disclosure also provides a terminal, which is a first terminal, including a memory, a transceiver, and a processor:
- Memory used to store computer programs
- transceiver used to send and receive data under the control of the processor
- processor used to read the computer program in the memory and perform the following operations:
- trigger signaling Send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- Measurement and positioning are performed according to the sent trigger signaling.
- the processor is further configured to:
- the processor is further configured to:
- Second measurement information measuring the second SL-PRS is obtained.
- the processor performs measurement and positioning based on the sent trigger signaling, including:
- Measurement and positioning are performed based on one or more of the following information obtained after sending the trigger signaling:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the second measurement information includes one or more of the following information:
- the processor before sending the trigger signaling, the processor is further configured to:
- the first trigger signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second trigger signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the processor is also used to:
- the processor is also used to:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the processor is also used to:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the processor is also used to:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the processor is also used to:
- the absolute position of the first terminal is obtained.
- the processor is also used to:
- the processor is further configured to:
- the processor is further configured to:
- the absolute position of the first terminal is determined.
- the processor is also used to:
- the deactivation signaling is used to deactivate the transmission of the first SL-PRS
- the deactivation signaling is used to deactivate the transmission of the second SL-PRS.
- An embodiment of the present disclosure also provides a network device, which is a first device, including a memory, a transceiver, and a processor:
- Memory used to store computer programs
- transceiver used to send and receive data under the control of the processor
- processor used to read the computer program in the memory and perform the following operations:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- the second trigger signaling is used to instruct the at least one first device to send a second SL-PRS.
- the processor is further configured to:
- the first measurement information is reported to the first terminal and/or the positioning server.
- the processor is further configured to:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the processor before receiving the trigger signaling, the processor is further configured to:
- the processor is also used to:
- the relative position information is the relative position between the first terminal and the at least one first device.
- the processor is also used to:
- the processor is also used to:
- the processor is further configured to:
- An embodiment of the present disclosure also provides a positioning device, which is applied to a first terminal, and the device includes:
- a first sending module configured to send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- the first processing module is configured to perform measurement and positioning according to the sent trigger signaling.
- An embodiment of the present disclosure also provides a positioning device, which is applied to the first device, and the device includes:
- the second processing module is configured to receive trigger signaling sent by the first terminal, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- the second trigger signaling is used to instruct the at least one first device to send a second SL-PRS.
- Embodiments of the present disclosure also provide a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute any of the methods described above. .
- the first terminal sends trigger signaling to enable the transmission and measurement of the direct link positioning reference signal SL-PRS between the first terminal and at least one first device, and can use Measure the measurement information of SL-PRS to perform measurement and positioning between the first terminal and at least one first device to achieve positioning between the first terminal and at least one first device in a scenario without network coverage, solving the problem of no When network coverage and GPS signal support are available, terminal positioning cannot be performed.
- Figure 1 is a schematic diagram of a wireless communication system architecture according to an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of the positioning method according to Embodiment 1 of the present disclosure
- Figure 3 is one of the schematic diagrams of an implementation of the positioning method according to the embodiment of the present disclosure.
- Figure 4 is one of the schematic diagrams of the application system of the positioning method according to Embodiment 1 of the present disclosure
- Figure 5 is a second schematic diagram of the implementation of the positioning method according to the embodiment of the present disclosure.
- Figure 6 is a second schematic diagram of the application system of the positioning method according to Embodiment 1 of the present disclosure.
- Figure 7 is a third schematic diagram of the implementation of the positioning method according to the embodiment of the present disclosure.
- Figure 8 is the third schematic diagram of the application system of the positioning method according to Embodiment 1 of the present disclosure.
- Figure 9 is a schematic diagram of the fourth implementation of the positioning method according to the embodiment of the present disclosure.
- Figure 10 is the fourth schematic diagram of the application system of the positioning method according to Embodiment 1 of the present disclosure.
- Figure 11 is the fifth schematic diagram of the application system of the positioning method according to the embodiment of the present disclosure.
- Figure 12 is a fifth schematic diagram of an implementation of the positioning method according to the embodiment of the present disclosure.
- Figure 13 is a schematic diagram of the sixth implementation of the positioning method according to the embodiment of the present disclosure.
- Figure 14 is a schematic flowchart of the positioning method according to Embodiment 2 of the present disclosure.
- Figure 15 is a schematic flowchart of the positioning method according to Embodiment 3 of the present disclosure.
- Figure 16 is a schematic flow chart of the positioning method according to Embodiment 4 of the present disclosure.
- Figure 17 is one of the structural schematic diagrams of the terminal according to an embodiment of the present disclosure.
- Figure 18 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
- Figure 19 is a schematic structural diagram of the positioning server according to an embodiment of the present disclosure.
- Figure 20 is a second structural schematic diagram of a terminal according to an embodiment of the present disclosure.
- Figure 21 is one of the structural schematic diagrams of the positioning device according to the embodiment of the present disclosure.
- Figure 22 is the second structural schematic diagram of the positioning device according to the embodiment of the present disclosure.
- Figure 23 is the third structural schematic diagram of the positioning device according to the embodiment of the present disclosure.
- Figure 24 is the fourth structural schematic diagram of the positioning device according to the embodiment of the present disclosure.
- the term "and/or” describes the association relationship of associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, and B exists alone. these three situations.
- the character "/” generally indicates that the related objects are in an "or” relationship.
- the term “plurality” refers to two or more than two, and other quantifiers are similar to it.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- GPRS general packet Wireless service
- LTE long term evolution
- FDD frequency division duplex
- TDD LTE time division duplex
- UMTS Universal mobile telecommunication system
- WiMAX microwave access
- 5G New Radio, NR 5G New Radio
- EPS Evolved Packet System
- 5GS 5G system
- EPS Evolved Packet System
- 5GS 5G system
- FIG. 1 shows a block diagram of a wireless communication system to which the positioning method according to the embodiment of the present disclosure is applicable.
- the wireless communication system includes terminal equipment and network side equipment.
- Terminal equipment includes UE1 and UE2; data is transmitted between the network side equipment and UE1 and UE2 through the Uu interface.
- UE1 and UE2 can communicate at short distances.
- Data is transmitted within a remote range through a direct communication link (also called Sidelink).
- the wireless interface corresponding to the Sidelink link is called a direct communication interface, also called a Sidelink interface.
- NR includes downlink positioning technology, uplink positioning technology and mixed uplink and downlink positioning technology.
- NR's downlink positioning technology includes NR Downlink-Time Difference Of Arrival (DL-TDOA) and NR Downlink Angle of Departure (DL-AoD);
- uplink positioning technology includes NR UL-TDOA and NR UL-AoA;
- uplink and downlink hybrid positioning technology includes NR Multiple-Round Trip Time (Multi-RTT).
- Corresponding positioning measurement values are defined for each positioning technology.
- the UE measures the downlink positioning reference signal (DL PRS) to obtain the positioning measurement value and reports it.
- the gNB measures the uplink detection reference signal. (Uplink Sounding Reference Signal, UL SRS) reference signal to obtain positioning measurement values and report them.
- DL PRS downlink positioning reference signal
- UL SRS Uplink Sounding Reference Signal
- any of the above positioning technologies are based on the Uu interface and use the principle that the location of the base station is known and multiple base stations position a terminal to achieve absolute positioning of the UE.
- the vehicle position is unknown, there is no network coverage, and there is no Global Positioning System (GPS) signal, the relative position relationship between the vehicles cannot be obtained, and it cannot be used.
- GPS Global Positioning System
- inventions of the present disclosure provide a positioning method.
- the first terminal sends trigger signaling, so that the direct link positioning reference signal SL-PRS can be transmitted between the first terminal and at least one first device. and measurement, and can use the measurement information measured on SL-PRS to perform measurement and positioning between the first terminal and at least one first device, so as to realize the measurement and positioning between the first terminal and at least one first device when there is no network coverage. positioning in between.
- the positioning method described in one embodiment of the present disclosure is executed by the first terminal, as shown in Figure 2.
- the method includes:
- S210 Send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- S220 Perform measurement and positioning according to the sent trigger signaling.
- At least one first device includes at least a second terminal and/or at least a road side unit (Road Side Unit).
- the first terminal and the second terminal may be vehicle-mounted terminals.
- data transmission is performed between the first terminal and at least one first device through Sidelink.
- the first terminal sends a first triggering signaling to at least one first device, which is used to instruct the first terminal to send the first SL-PRS to at least one first device, and /or instruct at least one first device to receive the first SL-PRS and report the first measurement information of the first SL PRS; based on the sent first trigger signaling, the first terminal also sends the first first device to the at least one first device.
- SL-PRS and receive the first measurement information reported by at least one first device after measuring the first SL-PRS, so that the first terminal can perform measurement and positioning based on the received first measurement information;
- the first terminal sends a second trigger signaling to at least one first device to instruct the at least one first device to send a second SL-PRS, so that the at least one first device sends a second SL-PRS, so that The first terminal may perform measurement and positioning based on the second measurement information measured on the second SL-PRS.
- the first terminal sends the first trigger signaling and/or the second trigger signaling, so that the direct link positioning reference signal SL can be performed between the first terminal and at least one first device.
- - PRS transmission and measurement and can use the measurement information of SL-PRS measurement to perform measurement and positioning between the first terminal and at least one first device, so that in a scenario without network coverage, the first terminal and at least one Positioning between first devices.
- the method further includes:
- the method further includes:
- Second measurement information measuring the second SL-PRS is obtained.
- the first trigger signaling and the second trigger signaling may be sent through a control channel or a broadcast channel respectively.
- step S220 performing measurement and positioning based on the sent trigger signaling includes:
- Measurement and positioning are performed based on one or more of the following information obtained after sending the trigger signaling:
- the relative position between the first terminal and at least one first device can be determined, realizing positioning in a scenario without network coverage. .
- the first measurement information includes one or more of the following information:
- the reference signal time delay difference (Reference Signal Time Difference, RSTD) of the first SL-PRS is a reference signal time delay difference (Reference Signal Time Difference, RSTD) of the first SL-PRS.
- the second measurement information includes one or more of the following information:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the method further includes:
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the first terminal uses the positioning method described in the embodiment of the present disclosure to send a positioning request message to at least one first device to request positioning with at least one first device.
- At least one first device located around the first terminal sends a positioning response message to the first terminal.
- the positioning response message is sent to the first terminal. That is, only at least one first device that is within a preset range from the first terminal will send a positioning response message according to the positioning request message sent by the first terminal.
- the positioning request message includes resource configuration information of the second SL-PRS, used to indicate that at least one first device needs to send the resource configuration used by the second SL-PRS; the second SL-PRS included in the positioning response message
- the resource set of the PRS and/or the resource configuration information of the second SL-PRS are used to feed back to the first terminal the resource set and/or resources used by at least one first device to send the second SL-PRS, so that the first terminal
- the measurement of the second SL-PRS may be performed according to the resource configuration of the second SL-PRS indicated in the positioning response message.
- the first terminal sends the second trigger signaling to at least one first device, receives the second SL-PRS sent by the at least one first device, and measures the second SL-PRS.
- the second measurement information is used to perform measurement and positioning.
- the first terminal also sends a positioning request message to at least one first device, so that the at least one first device located within a preset distance range of the first terminal sends a positioning request message to the first device.
- a terminal sends a positioning response message, used to indicate the device information of at least one first device, the resource set for sending the second SL-PRS, the resource configuration information for sending the second SL-PRS, and the beam angle information for sending the second SL-PRS. one or more of them.
- the specific implementation process of the first embodiment includes :
- the first terminal sends a positioning request message to at least one second terminal;
- the positioning request message includes resource configuration information of the second SL-PRS (resource configuration information for the second terminal to send SL-PRS) and/or terminal information of the first terminal; optionally, the positioning request message Can be sent through control channel or broadcast channel;
- S320 At least one second terminal sends a positioning response message to the first terminal
- the positioning response message is sent to the first terminal.
- the positioning response message includes one or more of resource configuration information of the second SL-PRS, terminal information of the second terminal, and beam angle information of the second SL-PRS.
- the second SL-PRS is also the SL-PRS sent by the second terminal.
- the resource configuration information of the second SL-PRS includes a resource set of the second SL-PRS (SL-PRS resource set) and/or a resource (SL-PRS resource) configuration of the second SL-PRS.
- the first terminal sends the second trigger signaling to at least one second terminal that sends the positioning response message;
- the first terminal sends the second trigger signaling to the corresponding at least one second terminal according to the terminal information of the second terminal in the received positioning response message.
- the second trigger signaling is sent through a control channel or a broadcast channel.
- a single second trigger signaling can be used to trigger multiple second terminals to transmit the second SL-PRS, or multiple second trigger signaling can be used.
- the second trigger signaling sequentially triggers each second terminal to transmit the second SL-PRS.
- At least one second terminal After receiving the second trigger signaling, at least one second terminal sends the second SL-PRS to the first terminal according to the resource configuration information of the second SL-PRS in the positioning request message and/or the positioning response message;
- the first terminal measures the second SL-PRS sent by at least one second terminal, obtains the second measurement information, and performs measurement and positioning based on the second measurement information.
- the second measurement information includes the angle of arrival (Angle of Arrival, AOA) of the second SL-PRS and/or the time difference between different antenna panels receiving the second SL-PRS.
- AOA Angle of Arrival
- the first terminal uses an angle estimation algorithm to determine the angle of arrival AOA of each second SL-PRS based on the measured second SL-PRS.
- each antenna panel can measure the signal arrival time of the corresponding second SL PRS, and then obtain the Time Difference of Arrival between different antenna panels. ,TDOA). Further, the first terminal can respectively determine the relative position information between at least one second terminal and the first terminal based on the AOA measurement value and the TDOA measurement value.
- the relative position includes the distance between the second terminal and the first terminal and/or the azimuth angle information between the second terminal and the first terminal.
- the first terminal can obtain the relative position information of at least one second terminal and the first terminal according to the SL-PRS sent by at least one second terminal.
- the first terminal sends the first trigger signaling to at least one first device, and sends the first SL-PRS to at least one first device, and the at least one first device performs the first SL-PRS Measure, and send the obtained first measurement information to the first terminal; and, the first terminal sends second trigger signaling to at least one first device, receives the second SL-PRS sent by at least one first device, and The second SL-PRS performs measurements to obtain second measurement information; and performs measurement and positioning based on the first measurement information and the second quantity information.
- the first terminal sends the first SL-PRS and then receives the second SL-PRS; in another implementation, optionally, the first terminal receives the second SL-PRS and then sends First SL-PRS.
- the following takes the first terminal to first receive the second SL-PRS and then send the first SL-PRS as an example to describe in detail the second implementation of the positioning method according to the embodiment of the present disclosure.
- the first terminal sends a positioning request message to at least one second terminal;
- the positioning request message includes resource configuration information of the second SL-PRS (resource configuration information for the second terminal to send SL-PRS) and/or terminal information of the first terminal; optionally, the positioning request message Can be sent through control channel or broadcast channel;
- At least one second terminal sends a positioning response message to the first terminal
- the positioning response message is sent to the first terminal.
- the positioning response message includes one or more of resource configuration information of the second SL-PRS, terminal information of the second terminal, and beam angle information of the second SL-PRS.
- the second SL-PRS is also the SL-PRS sent by the second terminal.
- the resource configuration information of the second SL-PRS includes a resource set of the second SL-PRS (SL-PRS resource set) and/or a resource (SL-PRS resource) configuration of the second SL-PRS.
- the first terminal sends the second trigger signaling to at least one second terminal that sends the positioning response message
- the first terminal sends the second trigger signaling to the corresponding at least one second terminal according to the terminal information of the second terminal in the received positioning response message.
- the second trigger signaling is sent through a control channel or a broadcast channel.
- a single second trigger signaling can be used to trigger multiple second terminals to transmit the second SL-PRS, or multiple second triggers can be used.
- the signaling triggers each second terminal in turn to transmit the second SL-PRS.
- At least one second terminal After receiving the second trigger signaling, at least one second terminal sends the second SL-PRS to the first terminal according to the resource configuration information of the second SL-PRS in the positioning request message and/or the positioning response message;
- the first terminal measures the second SL-PRS sent by at least one second terminal to obtain second measurement information.
- the second measurement information includes the angle of arrival AOA information of each second SL-PRS, as shown in for AOA_r;
- the first terminal determines the time to send the first SL-PRS and sends the first trigger signaling
- the first terminal sends the first trigger signaling through a control channel or a broadcast channel.
- the first triggering signaling includes the sending time of the first SL-PRS and/or the resource configuration information of the sent first SL-PRS;
- the first terminal sends the first SL-PRS to at least one second terminal;
- At least one second terminal receives the first SL-PRS sent by the first terminal and determines the first measurement information
- At least one second terminal determines the arrival angle AOA of each received first SL-PRS, as represented by AOA_t; and at least one second terminal determines to send the second SL-PRS and receive the first SL -The time difference of PRS, expressed as T_rxtx;
- the first measurement information includes the arrival angle AOA of each received first SL-PRS, and/or the time difference between sending the second SL-PRS and receiving the first SL-PRS.
- At least one second terminal sends the calculated first measurement information to the first terminal
- the first terminal receives the first measurement information and performs measurement and positioning based on the first measurement information and the second measurement information.
- the first terminal also determines the time difference between receiving the second SL-PRS and sending the first SL-PRS, which is recorded as T_rxtx.
- the first terminal can calculate the distance between the first terminal and at least one second terminal based on the AOA_r, AOA_t, T_rxtx and T_txrx obtained by sending the first SL-PRS and receiving the second SL-PRS. and angle information, thereby determining the relative positional relationship between the first terminal and each first terminal, thereby achieving relative positioning.
- the first terminal uses multiple antennas of one antenna panel to form an array, which enables relative positioning between terminals.
- the first terminal does not need to be configured with multiple antenna panels.
- the method further includes:
- the first terminal uses the calculated relative position information with at least one second terminal (second device)
- the information is sent to the second terminal and/or the positioning server, so that the second terminal and/or the positioning server learns the relative position between the first terminal and at least one second terminal.
- At least one first device may also include a road side unit (RSU), and the location information of each road side unit is known.
- RSU road side unit
- the RSU may perform the same operation as the second terminal in Embodiment 1 and 2.
- the RSU can also send its location information to the target UE to achieve absolute positioning of the target UE.
- the first terminal sends the first trigger signaling to at least one first device, and sends the first SL-PRS to at least one first device, and the at least one first device performs the first SL-PRS Measure and send the obtained first measurement information to the first terminal.
- the first terminal sends a positioning request message to at least one second terminal;
- the positioning request message includes resource configuration information of the first SL-PRS (resource configuration information of the SL-PRS sent by the first terminal), terminal information of the first terminal, and measurement information that needs to be reported (for example, including TDOA and / or AOA), the beam angle information of the first SL-PRS; optionally, the positioning request message can be sent through the control channel or broadcast channel;
- At least one second terminal sends a positioning response message to the first terminal
- the positioning response message is sent to the first terminal.
- the positioning response message may include terminal information of the second terminal, beam angle information of the first SL-PRS that can be received, etc.
- the first SL-PRS is also the SL-PRS sent by the first terminal.
- the first terminal sends first trigger signaling to at least one second terminal that sends the positioning response message;
- the first triggering signaling includes resource configuration information of the first SL-PRS, terminal information of the first terminal, measurement information that needs to be reported (for example, including TDOA and/or AOA), the first SL-PRS One or more of the reporting methods of beam angle information and measurement information;
- the first terminal sends the first SL-PRS to at least one second terminal according to the sent first trigger signaling;
- At least one second terminal receives the first SL-PRS, measures the first SL-PRS according to the measurement information that needs to be reported indicated in the positioning request message or the first trigger signaling, and obtains the corresponding first measurement information. , and report the first measurement information to the first terminal according to the measurement information reporting method indicated by the first trigger signaling;
- the first terminal can calculate and obtain relative position information with at least one second terminal based on the AOA value and TDOA value in the first measurement information, thereby achieving relative positioning.
- the first terminal sends the first trigger signaling to at least one first device, and sends the first SL-PRS to the at least one first device according to the first trigger signaling.
- a device measures the first SL-PRS and sends the obtained first measurement information to a first terminal; and the first terminal sends a second trigger signaling to at least one first device and receives at least one first device.
- the second SL-PRS is sent to measure the second SL-PRS to obtain second measurement information; and perform measurement and positioning based on the first measurement information and the second measurement information.
- the first terminal first sends the first SL-PRS and then receives the second SL-PRS.
- the implementation process includes the following steps:
- the first terminal sends first trigger signaling to at least one second terminal, and sends the first SL-PRS to at least one second terminal according to the first trigger signaling; optionally, the first trigger signaling includes the The measurement information that at least one second terminal needs to report (for example, including T_txrx and/or AOA) and/or the way in which the at least one second terminal reports the measurement information.
- the measurement information that at least one second terminal needs to report for example, including T_txrx and/or AOA
- the first terminal sends second trigger signaling to at least one second terminal, and the second trigger signaling instructs at least one second terminal to send a second SL-PRS to the first terminal; optionally, the second trigger signaling includes a Terminal information for a terminal.
- At least one second terminal sends a second SL-PRS to the first terminal according to the second trigger signaling
- the second terminal determines a time difference between sending the second SL-PRS and receiving the first SL-PRS, as represented by T_txrx. And, according to the first trigger signaling, receive the first SL-PRS, and report the first measurement information to the first terminal; optionally, the first measurement information includes the angle of arrival AOA of the first SL-PRS, as represented by AOA_t and/or T_txrx.
- the first terminal receives the second SL-PRS according to the second trigger signaling, determines the angle of arrival AOA information of each second SL-PRS, as represented by AOA_r, and the first terminal determines whether to send the first SL-PRS and to receive the second SL-PRS.
- the time difference between the two SL-PRS is expressed as T_rxtx; that is, the second measurement information is obtained, including the angle of arrival AOA information of each second SL-PRS, and/or the first SL-PRS is sent and the second SL-PRS is received. PRS time difference.
- the first terminal calculates the distance information and angle information between the first terminal and at least one second terminal based on the first measurement information and the second measurement information obtained above, that is, based on AOA_r, AOA_t, T_rxtx and T_txrx, and then Obtain the relative position relationship between the first terminal and at least one second terminal to achieve relative positioning.
- the first terminal may also send the second trigger signaling first and then send the first trigger signaling.
- the first SL-PRS sent by the first terminal and/or the second SL-PRS sent by at least one second terminal respectively include one or more SL-PRS. resources, each resource corresponds to a beam direction.
- the first SL-PRS or the second SL-PRS may be transmitted in a beam scanning manner.
- the beam angle information of each first SL-PRS and each second SL-PRS may be notified to the corresponding receiving end.
- the first triggering signaling includes beam angle information of the first SL-PRS sent by the first terminal and/or reporting information of measurement information AOD (angle of departure).
- AOD angle of departure
- at least one second terminal can determine the AOD information sent by the first SL-PRS based on the corresponding beam angle information and the received power RSRP value corresponding to the first SL-PRS, and use the AOD information (that is, the first measurement information including the AOD information sent by the first SL-PRS) is fed back to the first terminal.
- the first terminal can determine the relative position relationship between the first terminal and the second terminal based on the AOD value fed back by at least one second terminal and the time difference between the first terminal and the second terminal for sending and receiving the SL-PRS. Use AOA value for positioning.
- the first triggering signaling may not include the beam angle information of the first SL-PRS, but may include the reporting information of the measurement value RSRP.
- at least one second terminal can report the RSRP information of each first SL-PRS to the first terminal.
- the first terminal calculates the measurement value AOD based on the RSRP information and the corresponding beam angle information of the first SL-PRS, and performs positioning calculation. Calculate.
- the first terminal can also measure the RSRP value of the second SL-PRS sent by at least one second terminal, and obtain the third SL-PRS value contained in the response message of the second terminal after sending the positioning request message to the second terminal.
- the beam angle information of the second SL-PRS is used to obtain the AOD value sent by the corresponding second SL-PRS, which is used for positioning calculation.
- the positioning method described in the embodiment of the present disclosure can calculate the relative position relationship between the first terminal and at least one first device by using any one of the above-mentioned Embodiment 1 to Embodiment 4.
- first device may include at least one second terminal and/or at least one RSU.
- first terminal and the second terminal may respectively be vehicle-mounted terminals.
- the method further includes:
- the first terminal when the first terminal is within network coverage, the first terminal can report the calculated relative position information between the first terminal and at least one first device to the positioning server, so that the positioning server can The obtained relative position information is used to calculate the absolute position of the first terminal, thereby utilizing the relative positioning between terminals to achieve the effect of improving absolute positioning accuracy.
- the method further includes:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the first terminal when the first terminal is within the network coverage, the first terminal reports the third measurement information for DL-PRS measurement to the positioning server, and performs SL-PRS measurement between the first terminal and at least one first device.
- the first measurement information and/or the second measurement information measured by the PRS can enable the positioning server to perform positioning calculations.
- the positioning server can calculate and obtain One or more of the following information:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the method further includes:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the first terminal performs downlink positioning reference signal DL-PRS measurement to obtain third measurement information; reports the third measurement information and the first measurement information to the positioning server; or, The third measurement information and the second measurement information are reported to the positioning server, so that the positioning server performs positioning measurement.
- this implementation process includes:
- the positioning server sends first instruction information to the first terminal, instructing the first terminal to perform downlink positioning reference signal DL-PRS measurement.
- the first indication information indicates one or more of the following information to the first terminal:
- Multiple network devices (such as base stations) send DL-PRS configuration information;
- the first terminal reports the measurement information reporting method
- At least one first device sends resource configuration information of the second SL-PRS.
- the positioning server may also send the resource configuration information of the first SL-PRS sent by the first terminal to the at least one first device.
- the method further includes:
- the method also includes:
- the first terminal sends the first trigger signaling to at least one second terminal, and sends the first SL-PRS to at least one second terminal according to the first trigger signaling, as shown in Figure 10.
- the first terminal sends second trigger signaling to at least one second terminal, and the second trigger signaling instructs at least one second terminal to send a second SL-PRS to the first terminal.
- At least one second terminal sends a second SL-PRS to the first terminal according to the second trigger signaling.
- At least one second terminal receives the first SL-PRS according to the first trigger signaling, determines the angle of arrival AOA of the first SL-PRS, represented as AOA_t; and determines to send the second SL-PRS and receive the first SL-PRS.
- the time difference of PRS expressed as T_txrx;
- the first measurement information (for example, including AOA_t and T_txrx) is sent to the positioning server.
- the first terminal receives the second SL-PRS according to the second trigger signaling, determines the angle of arrival of each second SL-PRS, as represented by AOA_r; and determines to send the first SL-PRS and receive the second SL-PRS.
- the time difference of PRS expressed as T_rxtx;
- second measurement information (for example, including AOA_r and T_rxtx) is reported to the positioning server.
- the first terminal performs DL-PRS measurement according to the measurement information that needs to be reported for positioning measurement and the configuration information of DL-PRS indicated by the first indication information, and determines the third measurement information.
- the third measurement information includes DL-PRS. Measurement quantities of RSTD and/or DL-RSRP;
- the first terminal reports the third measurement information to the positioning server.
- the positioning server calculates and obtains the absolute position information of the first terminal based on the known base station position and the third measurement information reported by the first terminal. At the same time, the positioning server calculates relative position information between the first terminal and at least one second terminal based on the second measurement information reported by the first terminal and the first measurement information reported by at least one second terminal.
- the positioning server sends second indication information to the first terminal and/or the second terminal; the second indication information includes one or more of the following information:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the first terminal sending the first SL-PRS to at least one second terminal and the at least one second terminal sending the second SL-PRS to the first terminal may be instructed by the positioning server instead of by The first terminal sends trigger signaling to implement.
- the method further includes:
- the absolute position of the first terminal is obtained.
- the network device may be a serving base station of the first terminal.
- the positioning server can configure the network device (such as a service base station) to trigger the first terminal to send the SRS. After the network device measures the SRS, it reports the fourth measurement information. The positioning server can use the fourth measurement information reported by the network device. and the absolute position of the network device to calculate the absolute position of the first terminal.
- the network device such as a service base station
- the specific implementation process using this implementation mode includes:
- the positioning server instructs the first terminal to perform positioning measurement and indicates positioning assistance data to the first terminal; optionally, the positioning assistance data includes reporting information of the measurement results reported by the first terminal, such as measurement information that needs to be reported and/or Methods of reporting measurement information, etc.;
- the positioning server configures the serving base station of the first terminal to measure the SRS sent by the first terminal and report fourth measurement information; optionally, the fourth measurement information includes uplink relative time of arrival (UL-RTOA) and/or UL-AOA;
- UL-RTOA uplink relative time of arrival
- UL-AOA uplink relative time of arrival
- the serving base station of the first terminal sends third trigger signaling to the first terminal to trigger the first terminal to send SRS;
- the serving base station measures the SRS sent by the first terminal, obtains the UL-RTOA and/or UL-AOA, and reports the measured UL-RTOA and/or UL-AOA to the positioning server;
- the first terminal may also send the first trigger signaling and/or the second trigger signaling.
- the first terminal sends the first trigger signal to at least one second terminal.
- SL-PRS, and/or at least one second terminal can send a second SL-PRS to the first terminal, and report the respectively obtained first measurement information and/or second measurement information to the positioning server.
- the positioning server may also calculate the first measurement information based on the second measurement information reported by the first terminal (for example, including AOA_r and/or T_rxtx) and the first measurement information reported by at least one second terminal (for example, including AOA_t and/or T_txrx). The relative position between the terminal and at least one second terminal.
- the positioning server sends second indication information to the first terminal and/or the second terminal;
- the second indication information includes one or more of the following information:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the first terminal when the first terminal is within network coverage, in addition to the above-mentioned positioning measurement using the positioning server, the first terminal can also perform positioning. Measure to obtain the absolute position of the first terminal and/or the relative position with at least one second terminal.
- the positioning method of the present disclosure also includes:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the first terminal can obtain the absolute position of the first terminal based on the third measurement information obtained by measuring the downlink positioning reference signal DL-PRS and the absolute position of at least one network device, and report the absolute position to the positioning server. absolute position.
- the implementation process includes:
- the positioning server sends first instruction information to the first terminal, instructing the first terminal to perform downlink positioning reference signal DL-PRS measurement.
- the first indication information indicates one or more of the following information to the first terminal:
- Multiple network devices (such as base stations) send DL-PRS configuration information;
- Multiple network devices (such as base stations) send DL-PRS beam angle information;
- At least one first device sends resource configuration information of the second SL-PRS
- the first terminal sends first trigger signaling to at least one second terminal, and sends the first SL-PRS to at least one second terminal according to the first trigger signaling.
- At least one second terminal receives the first SL-PRS according to the first trigger signaling and determines the angle of arrival AOA of the first SL-PRS; optionally, assuming that the first terminal has multiple antenna arrays, then at least one The second terminal also measures the SL-RSTD value of the first SL-PRS; based on the measured angle of arrival AOA and SL-RSTD value, at least one second terminal reports the first measurement information to the first terminal;
- the first terminal measures the DL-PRS sent by multiple network devices according to the configuration of the positioning server, obtains the corresponding DL-RSTD/DL-RSRP (third measurement information), and calculates the The absolute position information of the device is used to calculate the absolute position information of the first terminal;
- the first terminal calculates the relative position between the first terminal and at least one second terminal based on the first measurement information reported by at least one second terminal;
- the first terminal reports the calculated absolute position of the first terminal and/or the relative position with at least one second terminal to the positioning server.
- the positioning server indicates the absolute position of the first terminal and/or the relative position to the at least one second terminal reported by the first terminal to the at least one second terminal.
- the positioning server may calculate the absolute position of at least one second terminal based on the absolute position of the first terminal reported by the first terminal and/or the relative position with at least one second terminal, and The calculated absolute position is transmitted to the first terminal.
- the positioning server instructs the first terminal to perform positioning measurement.
- the positioning server configures the base station to report UL-RTOA and/or UL-AOA information to the first terminal based on the SRS measurement sent by the first terminal.
- the positioning server also indicates the SL-PRS configuration information of at least one second terminal to the target UE. Further, the positioning server also indicates the SL-PRS configuration information of the first terminal to at least one second terminal, and instructs the reporting of the positioning measurement results of the at least one second terminal. information, and the measurement results are reported to the first terminal.
- the implementation process of this embodiment includes:
- the first terminal sends first trigger signaling to at least one second terminal, and sends the first SL-PRS to at least one second terminal according to the first trigger signaling;
- the first terminal sends second trigger signaling to at least one second terminal, and the second trigger signaling instructs at least one second terminal to send a second SL-PRS to the first terminal.
- At least one second terminal sends a second SL-PRS to the first terminal according to the second trigger signaling
- At least one second terminal receives the first SL-PRS according to the first trigger signaling, determines the angle of arrival AOA of the first SL-PRS, as represented by AOA_t; and determines to send the second SL-PRS and receive the first SL -The time difference of PRS, expressed as T_txrx;
- the first measurement information (for example, including AOA_t and T_txrx) is sent to the first terminal.
- the first terminal receives the second SL-PRS according to the second trigger signaling, obtains the second measurement information, determines the angle of arrival of each second SL-PRS, as represented by AOA_r; and determines to send the first SL-PRS.
- the time difference between receiving the second SL-PRS expressed as T_rxtx;
- the first terminal calculates the distance information and angle information between the first terminal and at least one second terminal based on the first measurement information and the second measurement information obtained above, that is, based on AOA_r, AOA_t, T_rxtx and T_txrx. , and then obtain the relative position relationship between the first terminal and at least one second terminal to achieve relative positioning;
- the first terminal receives an instruction message sent by the network device (such as the serving base station of the first terminal) to instruct the first terminal to send the SRS;
- the network device such as the serving base station of the first terminal
- the first terminal sends SRS according to the instruction message
- the network device measures the SRS sent by the first terminal to obtain fourth measurement information, such as including UL-RTOA and/or UL-AOA, and the network device sends the fourth measurement information to the first terminal.
- fourth measurement information such as including UL-RTOA and/or UL-AOA
- the first terminal determines the absolute position of the first terminal based on the fourth measurement information and the absolute position of the network device.
- the network device triggers the first terminal to send an SRS, and after measuring the SRS, reports the UL-RTOA and/or UL-AOA to the positioning server.
- the positioning server is configured according to the network Based on the UL-RTOA/UL-AOA reported by the device and the absolute position information of the base station, the absolute position of the first position is calculated, and the absolute position is indicated to the first terminal.
- the method further includes:
- the method further includes:
- the absolute position of the first terminal is determined.
- At least one first device can be an RSU.
- the RSU has a fixed position.
- the absolute position of the first terminal can be determined based on the positioning result of the measurement positioning, that is, based on the relative position between the first terminal and the RSU. .
- the method further includes:
- the deactivation signaling is used to deactivate the transmission of the first SL-PRS
- the deactivation signaling is used to deactivate the transmission of the second SL-PRS.
- the transmission of the first SL-PRS and/or the second SL-PRS can be deactivated.
- the first terminal sends the first trigger signaling and/or the second trigger signaling, so that the direct link positioning reference signal SL can be performed between the first terminal and at least one first device.
- - PRS transmission and measurement and can use the measurement information of SL-PRS measurement to perform measurement and positioning between the first terminal and at least one first device, so that in a scenario without network coverage, the first terminal and at least one Positioning between first devices.
- Another embodiment of the present disclosure also provides a positioning method, which is executed by the first device. As shown in Figure 14, the method includes:
- the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, And go up Report the first measurement information of the first SL-PRS;
- the second trigger signaling is used to instruct the at least one first device to send a second SL-PRS.
- At least one first device includes at least a second terminal and/or at least a road side unit (Road Side Unit).
- the first terminal and the second terminal may be vehicle-mounted terminals.
- the first terminal sends the first trigger signaling and/or the second trigger signaling, so that the direct link positioning reference signal SL can be performed between the first terminal and at least one first device.
- - PRS transmission and measurement and can use the measurement information of SL-PRS measurement to perform measurement and positioning between the first terminal and at least one first device, so that in a scenario without network coverage, the first terminal and at least one Positioning between first devices.
- the method further includes:
- the first measurement information is reported to the first terminal and/or the positioning server.
- the method further includes:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference (Relative Signal Time Difference, RSTD) of the first SL-PRS is the reference signal delay difference (Relative Signal Time Difference, RSTD) of the first SL-PRS.
- the positioning method wherein before receiving the trigger signaling, the method also includes:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the positioning method further includes:
- the relative position information is the relative position between the first terminal and the at least one first device.
- the positioning method further includes:
- the positioning method further includes:
- the method when the first device is a roadside unit RSU, the method further includes:
- the positioning method described in the embodiment of the present disclosure is applied to the specific implementation of the first device, and can also be applied to the implementation process performed by the first device.
- the execution process of the positioning method is not performed on the first device here.
- One embodiment of the present disclosure also provides a positioning method, which is executed by a positioning server. As shown in Figure 15, the method includes:
- S1501. Receive first information sent by at least one first terminal, where the first information includes one or more of the following information:
- the first terminal reports measurement information after receiving the SL-PRS.
- the positioning method further includes:
- the positioning method further includes: when the first information includes the measurement information, the method further includes:
- the calculated absolute position is sent to the first terminal and/or the at least one first device.
- the positioning method further includes:
- the measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of SL-PRS The reference signal delay difference RSTD of SL-PRS.
- Embodiments of the present disclosure also provide another positioning method, as shown in Figure 16, executed by the first terminal.
- the method includes:
- the first terminal reports measurement information after receiving the SL-PRS.
- the method further includes:
- the measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of SL-PRS The reference signal delay difference RSTD of SL-PRS.
- the terminal is a first terminal. As shown in Figure 17, it includes a memory 1710, a transceiver 1720 and a processor 1700:
- Memory 1710 used to store computer programs
- transceiver 1720 used to send and receive data under the control of the processor
- processor 1700 used to read the computer program in the memory and perform the following operations:
- trigger signaling Send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- Measurement and positioning are performed according to the sent trigger signaling.
- the processor 1700 is further configured to:
- the processor 1700 is further configured to:
- Second measurement information measuring the second SL-PRS is obtained.
- the processor 1700 performs measurement positioning based on the sent trigger signaling, including:
- Measurement and positioning are performed based on one or more of the following information obtained after sending the trigger signaling:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the second measurement information includes one or more of the following information:
- the processor 1700 before sending the trigger signaling, is further configured to:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the processor 1700 is further configured to:
- the processor 1700 is also used to:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the processor 1700 is also used to:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the processor 1700 is also used to:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the processor 1700 is also used to:
- the absolute position of the first terminal is obtained.
- the processor 1700 is also used to:
- the processor 1700 is further configured to:
- the processor 1700 is also used to:
- the absolute position of the first terminal is determined.
- the processor 1700 is also used to:
- the deactivation signaling is used to deactivate the transmission of the first SL-PRS
- the deactivation signaling is used to deactivate the transmission of the second SL-PRS.
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1700 and various circuits of the memory represented by memory 1710 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein.
- the bus interface provides the interface.
- the transceiver 1720 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, etc. Transmission medium.
- the user interface 1730 can also be an interface capable of externally connecting internal and external required equipment.
- the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
- the processor 1700 is responsible for managing the bus architecture and general processing, and the memory 1710 can store data used by the processor 1700 when performing operations.
- the processor 1700 can be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable Logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
- CPU Central Processing Unit
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the network device is a first device, optionally a terminal or an RSU. As shown in Figure 18, it includes a memory 1810, a transceiver 1820 and a processor 1800:
- Memory 1810 used to store computer programs
- transceiver 1820 used to send and receive data under the control of the processor
- processor 1800 used to read the computer program in the memory and perform the following operations:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- the second trigger signaling is used to instruct the at least one first device to send a second SL-PRS.
- the processor 1800 when the trigger signaling includes the first trigger signaling, the processor 1800 is further configured to:
- the first measurement information is reported to the first terminal and/or the positioning server.
- the processor 1800 when the trigger signaling includes second trigger signaling, the processor 1800 is further configured to:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the processor 1800 is also configured to:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the network device, the processor 1800 is also used to:
- the relative position information is the relative position between the first terminal and the at least one first device.
- the network device, the processor 1800 is also used to:
- the network device and the method further include:
- the network device when the first device is a road side unit RSU, the processor 1800 is further configured to:
- the bus architecture can include any number of interconnected buses and bridges, specifically Various circuits of one or more processors represented by processor 1800 and memory represented by memory 1810 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein.
- the bus interface provides the interface.
- the transceiver 1820 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, etc. Transmission medium.
- the user interface 1830 can also be an interface that can connect external and internal required equipment.
- the connected equipment includes but is not limited to a small keyboard, a display, a speaker, a microphone, a joystick, etc.
- the processor 1800 is responsible for managing the bus architecture and general processing, and the memory 1810 can store data used by the processor 1800 when performing operations.
- the processor 1800 can be a CPU, an integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- FIG. 19 Another embodiment of the present disclosure also provides a positioning server, as shown in Figure 19, including a memory 1910, a transceiver 1920 and a processor 1900:
- Memory 1910 used to store computer programs
- transceiver 1920 used to send and receive data under the control of the processor
- processor 1900 used to read the computer program in the memory and perform the following operations:
- the first terminal reports measurement information after receiving the SL-PRS.
- the processor 1900 is also used to:
- the processor 1900 is further configured to:
- the calculated absolute position is sent to the first terminal and/or the at least one first device.
- the processor 1900 is also used to:
- the measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of SL-PRS The reference signal delay difference RSTD of SL-PRS.
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1900 and various circuits of the memory represented by memory 1910 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein.
- the bus interface provides the interface.
- the transceiver 1920 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
- the processor 1900 is responsible for managing the bus architecture and general processing, and the memory 1910 can store data used by the processor 1900 when performing operations.
- the processor 1900 may be a central processing unit, an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), Processors can also adopt multi-core architecture.
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the terminal is a first terminal. As shown in Figure 20, it includes a memory 2010, a transceiver 2020 and a processor 2000:
- trigger signaling Send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- Measurement and positioning are performed according to the sent trigger signaling.
- the processor 2000 is further configured to:
- the measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of SL-PRS The reference signal delay difference RSTD of SL-PRS.
- An embodiment of the present disclosure also provides a positioning device, which is applied to the first terminal.
- the device includes:
- the first sending module 2101 is configured to send trigger signaling to at least one first device, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- Second trigger signaling used to instruct the at least one first device to send a second SL-PRS
- the first processing module 2102 is configured to perform measurement and positioning according to the sent trigger signaling.
- the first sending module 2101 is also used to:
- the first sending module 2101 is also used to:
- Second measurement information measuring the second SL-PRS is obtained.
- the first processing module 2102 performs measurement positioning based on the sent trigger signaling, including:
- Measurement and positioning are performed based on one or more of the following information obtained after sending the trigger signaling:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the second measurement information includes one or more of the following information:
- the first processing module 2102 before sending the trigger signaling, is also used to:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the first processing module 2102 is also used to:
- the first processing module 2102 is also used to:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the first processing module 2102 is also used to:
- the relative position between the first terminal and the at least one first device is the relative position between the first terminal and the at least one first device.
- the first processing module 2102 is also used to:
- the positioning server According to the first instruction information sent by the positioning server, perform downlink positioning reference signal DL-PRS measurement to obtain third measurement information;
- the first processing module 2102 is also used to:
- the absolute position of the first terminal is obtained.
- the first processing module 2102 is also used to:
- the first processing module 2102 is also used to:
- the first processing module 2102 is also used to:
- the absolute position of the first terminal is determined.
- the first processing module 2102 is also used to:
- the deactivation signaling is used to deactivate the transmission of the first SL-PRS
- the deactivation signaling is used to deactivate the transmission of the second SL-PRS.
- An embodiment of the present disclosure also provides a positioning device, which is applied to the first device.
- the device includes:
- the second processing module 2201 is configured to receive trigger signaling sent by the first terminal, where the trigger signaling includes one or more of the following:
- the first triggering signaling is used to instruct the first terminal to send the first direct link positioning reference signal SL-PRS; and/or to instruct the at least one first device to receive the first SL-PRS, and report the first measurement information of the first SL-PRS;
- the second trigger signaling is used to instruct the at least one first device to send a second SL-PRS.
- the trigger signaling includes the first trigger signaling.
- the second processing module 2201 is also used to:
- the first measurement information is reported to the first terminal and/or the positioning server.
- the method when the trigger signaling includes second trigger signaling, the method further includes:
- the first measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of the first SL-PRS is the reference signal delay difference RSTD of the first SL-PRS.
- the second processing module 2201 before receiving the trigger signaling, the second processing module 2201 is also used to:
- the first triggering signaling includes one or more of the following information:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the at least one first device needs to report
- the resource configuration information of the first SL-PRS
- the time when the at least one first device reports measurement information is the time when the at least one first device reports measurement information.
- the second triggering signaling includes: One or more of:
- Terminal information of the first terminal
- Device information of the at least one first device
- the measurement information that the first terminal needs to report is the measurement information that the first terminal needs to report
- the resource configuration information of the second SL-PRS
- the time when the first terminal reports measurement information is the time when the first terminal reports measurement information.
- the positioning request message includes one or more of the following information:
- Terminal information of the first terminal
- the resource configuration information of the first SL-PRS
- the resource configuration information of the second SL-PRS
- the measurement capability of the first terminal is the measurement capability of the first terminal
- the measurement information type reporting request supported by the first terminal The measurement information type reporting request supported by the first terminal.
- the positioning response message includes one or more of the following information:
- the resource set of the second SL-PRS The resource set of the second SL-PRS
- the resource configuration information of the second SL-PRS
- Device information of the at least one first device
- the second processing module 2201 is also used to:
- the relative position information is the relative position between the first terminal and the at least one first device.
- the second processing module 2201 is also used to:
- the positioning device wherein the method further includes:
- the second processing module 2201 is also used to:
- An embodiment of the present disclosure also provides a positioning device, which is applied to a positioning server. As shown in Figure 23, the device includes:
- the third processing module 2301 is configured to receive first information sent by at least one first terminal, where the first information includes one or more of the following information:
- the first terminal reports measurement information after receiving the SL-PRS.
- the third processing module 2301 is also used for:
- the third processing module 2301 is also used to:
- the calculated absolute position is sent to the first terminal and/or the at least one first device.
- the third processing module 2301 is also used for:
- the measurement information includes one or more of the following information:
- the reference signal delay difference RSTD of SL-PRS The reference signal delay difference RSTD of SL-PRS.
- An embodiment of the present disclosure also provides a positioning device, which is applied to the first terminal. As shown in Figure 24, the device includes:
- the fourth processing module 2401 is configured to send first information to the positioning server, where the first information includes one or more of the following information:
- the first terminal reports measurement information after receiving the SL-PRS.
- the fourth processing module 2401 is also used to:
- the measurement information includes one or more of the following information:
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Abstract
Description
Claims (57)
- 一种定位方法,由第一终端执行,所述方法包括:向至少一个第一设备发送触发信令,所述触发信令包括以下的一项或多项:第一触发信令,用于指示所述第一终端发送第一直通链路定位参考信号SL-PRS;和/或用于指示所述至少一个第一设备接收所述第一SL-PRS,并上报所述第一SL-PRS对应的第一测量信息;第二触发信令,用于指示所述至少一个第一设备发送第二SL-PRS;根据所发送的所述触发信令,进行测量定位。
- 根据权利要求1所述的定位方法,其中,所述触发信令包括第一触发信令的情况下,所述方法还包括:根据所述第一触发信令,向所述至少一个第一设备发送所述第一SL-PRS;接收所述至少一个第一设备对所述第一SL-PRS测量后上报的第一测量信息。
- 根据权利要求1所述的定位方法,其中,所述触发信令包括第二触发信令的情况下,所述方法还包括:接收所述至少一个第一设备发送的所述第二SL-PRS;获得对所述第二SL-PRS进行测量的第二测量信息。
- 根据权利要求1至3任一项所述的定位方法,其中,所述根据所发送的所述触发信令,进行测量定位,包括:根据发送所述触发信令后获得的以下信息中的一项或多项,进行测量定位:向所述至少一个第一设备发送所述第一SL-PRS后,获得的所述至少一个第一设备对所述第一SL-PRS测量后上报的第一测量信息;接收所述至少一个第一设备发送的所述第二SL-PRS后,对所述第二SL-PRS进行测量的第二测量信息。
- 根据权利要求1至2任一项所述的定位方法,其中,所述第一测量信息包括以下信息中的一项或多项:所述第一SL-PRS的参考信号接收功率RSRP;所述第一SL-PRS的第一径参考信号接收功率RSRPP;所述第一SL-PRS的到达角AOA;所述第一SL-PRS的出发角AOD;发送所述第二SL-PRS与接收所述第一SL-PRS的时间差;所述第一SL-PRS的参考信号时延差RSTD。
- 根据权利要求3所述的定位方法,其中,所述第二测量信息包括以下信息中的一项或多项:所述第二SL-PRS的到达角AOA;发送所述第一SL-PRS与接收所述第二SL-PRS的时间差;不同天线面板接收所述第二SL-PRS的时间差。
- 根据权利要求1所述的定位方法,其中,在发送所述触发信令之前,所述方法还包括:向所述至少一个第一设备发送定位请求消息;接收所述至少一个第一设备发送的定位响应消息。
- 根据权利要求1所述的定位方法,其中,所述第一触发信令包括以下信息中的一项或多项:所述第一终端的终端信息;所述至少一个第一设备的设备信息;所述至少一个第一设备需要上报的测量信息;所述至少一个第一设备上报测量信息的方式;所述第一SL-PRS的资源配置信息;所述第一SL-PRS的发送时间;所述至少一个第一设备上报测量信息的时间。
- 根据权利要求1所述的定位方法,其中,所述第二触发信令包括以下信息中的一项或多项:所述第一终端的终端信息;所述至少一个第一设备的设备信息;所述第一终端需要上报的测量信息;所述第一终端上报测量信息的上报方式;所述第二SL-PRS的资源配置信息;所述第一终端上报测量信息的时间。
- 根据权利要求7所述的定位方法,其中,所述定位请求消息包括以下信息中的一项或多项:所述第一终端的终端信息;所述至少一个第一设备需要上报的测量信息;所述第一SL-PRS的资源配置信息;所述第一SL-PRS的波束角度信息;所述第二SL-PRS的资源配置信息;所述第二SL-PRS的波束角度信息;所述至少一个第一设备上报测量信息的上报方式;所述第一终端的测量能力;所述第一终端支持的测量信息类型上报请求。
- 根据权利要求7所述的定位方法,其中,所述定位响应消息包括以下信息中的一项或多项:所述第二SL-PRS的资源集;所述第二SL-PRS的资源配置信息;所述至少一个第一设备的设备信息;所述第二SL-PRS的波束角度信息;所述至少一个第一设备的测量能力;所述至少一个第一设备支持的测量信息类型。
- 根据权利要求1所述的定位方法,其中,在进行测量定位之后,所述方法还包括:获得所述第一终端与所述至少一个第一设备之间的相对位置信息;将所述相对位置信息上报至所述至少一个第一设备和/或定位服务器。
- 根据权利要求4所述的定位方法,其中,所述方法还包括:根据定位服务器发送的第一指示信息,进行下行链路定位参考信号DL-PRS测量,获得第三测量信息;将所述第三测量信息和所述第一测量信息上报至所述定位服务器;或者,将所述第三测量信息和所述第二测量信息上报至所述定位服务器。
- 根据权利要求1或12所述的定位方法,其中,所述方法还包括:根据定位服务器发送的第一指示信息,进行下行链路定位参考信号DL-PRS测量,获得第三测量信息;根据至少一网络设备的绝对位置和所述第三测量信息,获得所述第一终端的绝对位置;将所述第一终端的绝对位置上报至定位服务器。
- 根据权利要求1或12所述的定位方法,其中,所述方法还包括:根据网络设备的第三触发信令,发送测量参考信号SRS;获取所述网络设备对所述SRS测量获得的第四测量信息;根据所述第四测量信息和所述网络设备的绝对位置,获得所述第一终端的绝对位置。
- 根据权利要求1所述的定位方法,其中,所述方法还包括:接收定位服务器发送的所述第一SL-PRS的资源配置信息和/或所述第二SL-PRS的资源配置信息。
- 根据权利要求1所述的定位方法,其中,在所述至少一个第一设备包括路侧单元RSU的情况下,所述方法还包括:接收所述RSU发送的位置信息;其中,在根据所述触发信令,进行测量定位之后,所述方法还包括:根据所述测量定位的定位结果,确定所述第一终端的绝对位置。
- 根据权利要求1所述的定位方法,其中,所述方法还包括:向所述至少一个第一设备发送去激活信令;其中,在所述触发信令包括所述第一触发信令的情况下,所述去激活信令用于去激活所述第一SL-PRS的传输;在所述触发信令包括所述第二触发信令的情况下,所述去激活信令用于去激活所述第二SL-PRS的传输。
- 一种定位方法,由第一设备执行,所述方法包括:接收第一终端发送的触发信令,所述触发信令包括以下中的一项或多项:第一触发信令,用于指示所述第一终端发送第一直通链路定位参考信号SL-PRS;和/或用于指示所述至少一个第一设备接收所述第一SL-PRS,并上报所述第一SL-PRS的第一测量信息;第二触发信令,用于指示所述至少一个第一设备发送第二SL-PRS。
- 根据权利要求19所述的定位方法,其中,所述触发信令包括第一触发信令的情况下,所述方法还包括:接收所述第一终端发送的所述第一SL-PRS;对所述第一SL-PRS进行测量后,向所述第一终端和/或定位服务器上报第一测量信息。
- 根据权利要求19所述的定位方法,其中,所述触发信令包括第二触发信令的情况下,所述方法还包括:根据所述第二触发信令,向所述第一终端发送第二SL-PRS。
- 根据权利要求19或20所述的定位方法,其中,所述第一测量信息包括以下信息中的一项或多项:所述第一SL-PRS的参考信号接收功率RSRP;所述第一SL-PRS的第一径参考信号接收功率RSRPP;所述第一SL-PRS的到达角AOA;所述第一SL-PRS的出发角AOD;发送所述第二SL-PRS与接收所述第一SL-PRS的时间差;所述第一SL-PRS的参考信号时延差RSTD。
- 根据权利要求19所述的定位方法,其中,在接收所述触发信令之前,所述方法还包括:接收所述第一终端发送的定位请求消息;根据所述定位请求消息,向所述第一终端发送定位响应消息。
- 根据权利要求19所述的定位方法,其中,所述方法还包括:获得所述第一终端发送的相对位置信息;其中,所述相对位置信息为所述第一终端与所述至少一个第一设备之间的相对位置。
- 根据权利要求19所述的定位方法,其中,所述方法还包括:接收定位服务器发送的所述第一SL-PRS的资源配置信息,和/或所述第 二SL-PRS的资源配置信息。
- 根据权利要求19所述的定位方法,其中,在所述第一设备为路侧单元RSU的情况下,所述方法还包括:向所述第一终端发送所述RSU的位置信息。
- 一种终端,所述终端为第一终端,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:向至少一个第一设备发送触发信令,所述触发信令包括以下的一项或多项:第一触发信令,用于指示所述第一终端发送第一直通链路定位参考信号SL-PRS;和/或用于指示所述至少一个第一设备接收所述第一SL-PRS,并上报所述第一SL-PRS的第一测量信息;第二触发信令,用于指示所述至少一个第一设备发送第二SL-PRS;根据所发送的所述触发信令,进行测量定位。
- 根据权利要求27所述的终端,其中,所述触发信令包括第一触发信令的情况下,所述处理器还用于:根据所述第一触发信令,向所述至少一个第一设备发送所述第一SL-PRS;接收所述至少一个第一设备对所述第一SL-PRS测量后上报的第一测量信息。
- 根据权利要求27所述的终端,其中,所述触发信令包括第二触发信令的情况下,所述处理器还用于:接收所述至少一个第一设备发送的所述第二SL-PRS;获得对所述第二SL-PRS进行测量的第二测量信息。
- 根据权利要求27至29任一项所述的终端,其中,所述处理器根据所发送的所述触发信令,进行测量定位,包括:根据发送所述触发信令后获得的以下信息中的一项或多项,进行测量定位:向所述至少一个第一设备发送所述第一SL-PRS后,获得的所述至少一个第一设备对所述第一SL-PRS测量后上报的第一测量信息;接收所述至少一个第一设备发送的所述第二SL-PRS后,对所述第二SL-PRS进行测量的第二测量信息。
- 根据权利要求27至28任一项所述的终端,其中,所述第一测量信息包括以下信息中的一项或多项:所述第一SL-PRS的参考信号接收功率RSRP;所述第一SL-PRS的第一径参考信号接收功率RSRPP;所述第一SL-PRS的到达角AOA;所述第一SL-PRS的出发角AOD;发送所述第二SL-PRS与接收所述第一SL-PRS的时间差;所述第一SL-PRS的参考信号时延差RSTD。
- 根据权利要求29所述的终端,其中,所述第二测量信息包括以下信息中的一项或多项:所述第二SL-PRS的到达角AOA;发送所述第一SL-PRS与接收所述第二SL-PRS的时间差;不同天线面板接收所述第二SL-PRS的时间差。
- 根据权利要求27所述的终端,其中,在发送所述触发信令之前,所述处理器还用于:向所述至少一个第一设备发送定位请求消息;接收所述至少一个第一设备发送的定位响应消息。
- 根据权利要求27所述的终端,其中,所述第一触发信令包括以下信息中的一项或多项:所述第一终端的终端信息;所述至少一个第一设备的设备信息;所述至少一个第一设备需要上报的测量信息;所述至少一个第一设备上报测量信息的方式;所述第一SL-PRS的资源配置信息;所述第一SL-PRS的发送时间;所述至少一个第一设备上报测量信息的时间。
- 根据权利要求27的终端,其中,所述第二触发信令包括以下信息中 的一项或多项:所述第一终端的终端信息;所述至少一个第一设备的设备信息;所述第一终端需要上报的测量信息;所述第一终端上报测量信息的上报方式;所述第二SL-PRS的资源配置信息;所述第一终端上报测量信息的时间。
- 根据权利要求33所述的终端,其中,所述定位请求消息包括以下信息中的一项或多项:所述第一终端的终端信息;所述至少一个第一设备需要上报的测量信息;所述第一SL-PRS的资源配置信息;所述第一SL-PRS的波束角度信息;所述第二SL-PRS的资源配置信息;所述第二SL-PRS的波束角度信息;所述至少一个第一设备上报测量信息的上报方式;所述第一终端的测量能力;所述第一终端支持的测量信息类型上报请求。
- 根据权利要求33所述的终端,其中,所述定位响应消息包括以下信息中的一项或多项:所述第二SL-PRS的资源集;所述第二SL-PRS的资源配置信息;所述至少一个第一设备的设备信息;所述第二SL-PRS的波束角度信息;所述至少一个第一设备的测量能力;所述至少一个第一设备支持的测量信息类型。
- 根据权利要求27所述的终端,其中,在进行测量定位之后,所述处理器还用于:获得所述第一终端与所述至少一个第一设备之间的相对位置信息;将所述相对位置信息上报至所述至少一个第一设备和/或定位服务器。
- 根据权利要求30所述的终端,其中,所述处理器还用于:根据定位服务器发送的第一指示信息,进行下行链路定位参考信号DL-PRS测量,获得第三测量信息;将所述第三测量信息和所述第一测量信息上报至所述定位服务器;或者,将所述第三测量信息和所述第二测量信息上报至所述定位服务器。
- 根据权利要求38所述的终端,其中,所述处理器还用于:接收所述定位服务器发送的第二指示信息;所述第二指示信息包括以下信息中的一项或多项:所述第一终端的绝对位置;所述至少一个第一设备的绝对位置;所述第一终端与所述至少一个第一设备之间的相对位置。
- 根据权利要求27或38所述的终端,其中,所述处理器还用于:根据定位服务器发送的第一指示信息,进行下行链路定位参考信号DL-PRS测量,获得第三测量信息;根据至少一网络设备的绝对位置和所述第三测量信息,获得所述第一终端的绝对位置;将所述第一终端的绝对位置上报至定位服务器。
- 根据权利要求27或38所述的终端,其中,所述处理器还用于:根据网络设备的第三触发信令,发送SRS;获取所述网络设备对所述SRS测量获得的第四测量信息;根据所述第四测量信息和所述网络设备的绝对位置,获得所述第一终端的绝对位置。
- 根据权利要求27所述的终端,其中,所述处理器还用于:接收定位服务器发送的所述第一SL-PRS的资源配置信息和/或所述第二SL-PRS的资源配置信息。
- 根据权利要求27所述的终端,其中,在所述至少一个第一设备包括路侧单元RSU的情况下,所述处理器还用于:接收所述RSU发送的位置信息;其中,在根据所述触发信令,进行测量定位之后,所述处理器还用于:根据所述测量定位的定位结果,确定所述第一终端的绝对位置。
- 根据权利要求27所述的终端,其中,所述处理器还用于:向所述至少一个第一设备发送去激活信令;其中,在所述触发信令包括所述第一触发信令的情况下,所述去激活信令用于去激活所述第一SL-PRS的传输;在所述触发信令包括所述第二触发信令的情况下,所述去激活信令用于去激活所述第二SL-PRS的传输。
- 一种网络设备,所述网络设备为第一设备,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:接收第一终端发送的触发信令,所述触发信令包括以下中的一项或多项:第一触发信令,用于指示所述第一终端发送第一直通链路定位参考信号SL-PRS;和/或用于指示所述至少一个第一设备接收所述第一SL-PRS,并上报所述第一SL-PRS的第一测量信息;第二触发信令,用于指示所述至少一个第一设备发送第二SL-PRS。
- 根据权利要求46所述的网络设备,其中,所述触发信令包括第一触发信令的情况下,所述处理器还用于:接收所述第一终端发送的所述第一SL-PRS;对所述第一SL-PRS进行测量后,向所述第一终端和/或定位服务器上报第一测量信息。
- 根据权利要求46所述的网络设备,其中,所述触发信令包括第二触发信令的情况下,所述处理器还用于:根据所述第二触发信令,向所述第一终端发送第二SL-PRS。
- 根据权利要求46或47所述的网络设备,其中,所述第一测量信息包括以下信息中的一项或多项:所述第一SL-PRS的参考信号接收功率RSRP;所述第一SL-PRS的第一径参考信号接收功率RSRPP;所述第一SL-PRS的到达角AOA;所述第一SL-PRS的出发角AOD;发送所述第二SL-PRS与接收所述第一SL-PRS的时间差;所述第一SL-PRS的参考信号时延差RSTD。
- 根据权利要求46所述的网络设备,其中,在接收所述触发信令之前,所述处理器还用于:接收所述第一终端发送的定位请求消息;根据所述定位请求消息,向所述第一终端发送定位响应消息。
- 根据权利要求46所述的网络设备,其中,所述处理器还用于:获得所述第一终端发送的相对位置信息;其中,所述相对位置信息为所述第一终端与所述至少一个第一设备之间的相对位置。
- 根据权利要求46所述的网络设备,其中,所述处理器还用于:接收定位服务器发送的第二指示信息;所述第二指示信息包括以下信息中的一项或多项:所述第一终端的绝对位置;所述第一设备的绝对位置;所述第一终端与所述第一设备之间的相对位置。
- 根据权利要求46所述的网络设备,其中,所述处理器还用于:接收定位服务器发送的所述第一SL-PRS的资源配置信息,和/或所述第二SL-PRS的资源配置信息。
- 根据权利要求46所述的网络设备,其中,在所述第一设备为路侧单元RSU的情况下,所述处理器还用于:向所述第一终端发送所述RSU的位置信息。
- 一种定位装置,所述装置包括:第一发送模块,用于向至少一个第一设备发送触发信令,所述触发信令包括以下的一项或多项:第一触发信令,用于指示所述第一终端发送第一直通链路定位参考信号SL-PRS;和/或用于指示所述至少一个第一设备接收所述第一SL-PRS,并上报所述第一SL-PRS的第一测量信息;第二触发信令,用于指示所述至少一个第一设备发送第二SL-PRS;第一处理模块,用于根据所发送的所述触发信令,进行测量定位。
- 一种定位装置,所述装置包括:第二处理模块,用于接收第一终端发送的触发信令,所述触发信令包括以下中的一项或多项:第一触发信令,用于指示所述第一终端发送第一直通链路定位参考信号SL-PRS;和/或用于指示所述至少一个第一设备接收所述第一SL-PRS,并上报所述第一SL-PRS的第一测量信息;第二触发信令,用于指示所述至少一个第一设备发送第二SL-PRS。
- 一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行权利要求1至26任一项所述的方法。
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| US20210373148A1 (en) * | 2019-02-15 | 2021-12-02 | Huawei Technologies Co., Ltd. | Method and apparatus for positioning terminal device |
| CN112584487A (zh) * | 2019-09-29 | 2021-03-30 | 大唐移动通信设备有限公司 | 信号传输方法及装置 |
| WO2021203443A1 (zh) * | 2020-04-10 | 2021-10-14 | 华为技术有限公司 | 一种定位信息上报的方法及通信装置 |
| WO2021232228A1 (en) * | 2020-05-19 | 2021-11-25 | Qualcomm Incorporated | User equipment positioning signal measurement and/or transmission |
| WO2022005674A1 (en) * | 2020-07-02 | 2022-01-06 | Qualcomm Incorporated | Techniques for determining position over sidelink using multiple antennas |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW202344113A (zh) | 2023-11-01 |
| MX2024012888A (es) | 2024-11-08 |
| TWI876332B (zh) | 2025-03-11 |
| EP4518361A4 (en) | 2025-08-13 |
| EP4518361A1 (en) | 2025-03-05 |
| CN117015030A (zh) | 2023-11-07 |
| US20250212157A1 (en) | 2025-06-26 |
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