WO2024098431A1 - 基于侧行链路的定位参考信号prs资源确定方法和装置 - Google Patents
基于侧行链路的定位参考信号prs资源确定方法和装置 Download PDFInfo
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- WO2024098431A1 WO2024098431A1 PCT/CN2022/131563 CN2022131563W WO2024098431A1 WO 2024098431 A1 WO2024098431 A1 WO 2024098431A1 CN 2022131563 W CN2022131563 W CN 2022131563W WO 2024098431 A1 WO2024098431 A1 WO 2024098431A1
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- prs
- terminal device
- positioning
- indication information
- sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
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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
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
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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
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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
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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 method and device for determining positioning reference signal (PRS) resources based on a sidelink.
- PRS positioning reference signal
- Sidelink SL positioning Positioning based on the sidelink (SL) between the terminal equipment (User Equipment, UE) and the UE is called sidelink SL positioning.
- Sidelink SL positioning usually includes: sidelink SL absolute positioning, sidelink SL relative positioning, and ranging.
- Sidelink SL positioning methods include: sidelink round trip time (SL RTT), sidelink time difference of arrival (SL TDOA), sidelink angle of arrival (SL AOA), SL carrier phase, etc.
- the sidelink SL positioning method can also be combined with the Uu positioning method (Uu positioning method refers to positioning based on the Uu interface (Uu interface is the wireless interface between the UE and the base station)) to improve positioning accuracy.
- the Uu positioning method can be used to obtain the absolute position of the reference UE, and then obtain the relative position of the target UE and the reference UE, and calculate the absolute position of the target UE by the absolute position of the reference UE and the relative position of the two.
- the UE being located can be called the target UE (target UE), and the UE that locates the target UE is called the anchor UE (anchor UE).
- anchor UE anchor UE
- the SL positioning results between the two UEs and the positioning assistant UE can be obtained by measuring the SL positioning results between the two UEs and the positioning assistant UE respectively.
- the resources (such as time-frequency domain resources) for sending the sidelink positioning reference signal (Sidelink positioning reference signal, SL PRS) are closely related to the quality of service (Quality of Service, QoS) requirements, and the UE that only initiates the sidelink SL positioning clearly defines the quality of service QoS requirements.
- QoS Quality of Service
- the UE participating in the sidelink SL positioning, and the network equipment responsible for resource allocation in the sidelink SL positioning (such as base stations and/or location management function (LMF)), cannot effectively determine the resources for sending the positioning reference signal SL PRS of the sidelink SL, which will affect the sidelink SL positioning effect.
- LMF location management function
- the embodiments of the present disclosure provide a method, apparatus, communication system, chip system, storage medium, computer program and computer program product for determining positioning reference signal PRS resources based on a side link, which can be applied in the field of communication technology, so that UE participating in side link SL positioning, and/or network equipment responsible for resource allocation in side link SL positioning, can effectively determine the resources for sending SL PRS based on the indication information, thereby effectively improving the side link SL positioning effect.
- an embodiment of the present disclosure provides a method for determining positioning reference signal PRS resources based on a side link, which is executed by a first terminal device, and the method includes: initiating side link SL positioning; sending indication information to a second terminal device, wherein the indication information is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS for the side link SL; and/or sending indication information to a network device, wherein the indication information is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS for the side link SL.
- the indication information includes at least one of the following:
- the quality of service (LCS) QoS information of the sidelink (SL) positioning service includes at least one of the following:
- the positioning reference signal SL PRS configuration information of the sidelink includes at least one of the following:
- the carrier frequency of SL PRS The carrier frequency of SL PRS
- Frequency hopping indication wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- the second terminal device is a terminal device that performs sidelink SL positioning.
- sending indication information to the second terminal device includes:
- the first signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a first auxiliary information providing message, the first auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a second auxiliary information providing message, and the second auxiliary information providing message includes: indication information.
- sending indication information to a network device includes:
- the second signaling including: indication information
- the second signaling includes at least:
- sending indication information to a network device includes:
- the second signaling including: indication information
- the second signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a third auxiliary information providing message, the third auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a fourth auxiliary information provision message, the fourth auxiliary information provision message includes: indication information; and/or
- the Long Term Evolution LTE Positioning Protocol LPP signaling includes: a fifth auxiliary information providing message, and the fifth auxiliary information providing message includes: indication information.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- an embodiment of the present disclosure provides another method for determining positioning reference signal PRS resources based on a side link, which is executed by a second terminal device, and the method comprises: receiving indication information sent by a first terminal device, wherein the indication information is used to instruct the second terminal device to determine resources for sending a positioning reference signal SL PRS for a side link SL, the positioning of the side link SL being initiated by the first terminal device; and determining resources for sending the positioning reference signal SL PRS for the side link SL according to the indication information.
- the indication information includes at least one of the following:
- the quality of service (LCS) QoS information of the sidelink (SL) positioning service includes at least one of the following:
- the positioning reference signal SL PRS configuration information of the sidelink includes at least one of the following:
- the carrier frequency of SL PRS The carrier frequency of SL PRS
- Frequency hopping indication wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- the second terminal device is a terminal device that performs sidelink SL positioning.
- receiving indication information sent by the first terminal device includes:
- the first signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a first auxiliary information providing message, the first auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a second auxiliary information providing message, and the second auxiliary information providing message includes: indication information.
- determining, according to the indication information, a resource for sending a positioning reference signal SL PRS of a sidelink SL includes:
- sending indication information to a network device includes:
- the third signaling including: indication information
- the third signaling includes at least one of the following:
- determining, according to the indication information, a resource for sending a positioning reference signal SL PRS of a sidelink SL includes:
- resources for sending the positioning reference signal SL PRS of the side link SL are selected according to the indication information.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- an embodiment of the present disclosure provides another method for determining positioning reference signal PRS resources based on a side link, which is executed by a network device, and the method comprises: receiving indication information sent by a first terminal device, wherein the indication information is used to instruct the network device to determine resources for sending a positioning reference signal SL PRS for a side link SL, the positioning of the side link SL being initiated by the first terminal device; and determining resources for sending the positioning reference signal SL PRS for the side link SL according to the indication information.
- the indication information includes at least one of the following:
- the quality of service (LCS) QoS information of the sidelink (SL) positioning service includes at least one of the following:
- the positioning reference signal SL PRS configuration information of the sidelink includes at least one of the following:
- the carrier frequency of SL PRS The carrier frequency of SL PRS
- Frequency hopping indication wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- receiving indication information sent by the first terminal device includes:
- the second signaling includes: indication information
- the second signaling includes at least:
- receiving indication information sent by the first terminal device includes:
- the second signaling includes: indication information
- the second signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a third auxiliary information providing message, the third auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a fourth auxiliary information provision message, the fourth auxiliary information provision message includes: indication information; and/or
- the Long Term Evolution LTE Positioning Protocol LPP signaling includes: a fifth auxiliary information providing message, and the fifth auxiliary information providing message includes: indication information.
- the method further includes:
- resources of the positioning reference signal SL PRS of the sending side line link SL are configured for the second terminal device, wherein the configured resources of the positioning reference signal SL PRS of the sending side line link SL are used for the positioning reference signal SL PRS of the sending side line link of the second terminal device.
- receiving indication information sent by the second terminal device includes:
- the third signaling includes: indication information
- the third signaling includes at least one of the following:
- the second terminal device is a terminal device that performs sidelink SL positioning.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- an embodiment of the present disclosure provides a communication device, which has some or all of the functions of the first terminal device in the method described in the first aspect above.
- the functions of the communication device may have some or all of the functions in the embodiments of the present disclosure, or may have the functions of implementing any one of the embodiments of the present disclosure alone.
- the functions may be implemented by hardware, or by hardware executing corresponding software.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform the corresponding functions in the above method.
- the transceiver module is used to support communication between the communication device and other devices.
- the communication device may also include a storage module, which is coupled to the transceiver module and the processing module, and stores computer programs and data necessary for the communication device.
- the processing module may be a processor
- the transceiver module may be a transceiver or a communication interface
- the storage module may be a memory
- an embodiment of the present disclosure provides another communication device, which has some or all of the functions of the second terminal device in the method example described in the second aspect above.
- the functions of the communication device may have some or all of the functions in the embodiments of the present disclosure, or may have the functions of implementing any one of the embodiments of the present disclosure alone.
- the functions may be implemented by hardware, or may be implemented by hardware executing corresponding software.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform the corresponding functions in the above method.
- the transceiver module is used to support communication between the communication device and other devices.
- the communication device may also include a storage module, which is used to couple with the transceiver module and the processing module, and stores the computer programs and data necessary for the communication device.
- an embodiment of the present disclosure provides another communication device, which has some or all of the functions of the network device in the method example described in the third aspect above, such as the functions of the communication device may have some or all of the functions in the embodiments of the present disclosure, or may have the functions of implementing any one of the embodiments of the present disclosure alone.
- the functions may be implemented by hardware, or may be implemented by hardware executing corresponding software.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform the corresponding functions in the above method.
- the transceiver module is used to support communication between the communication device and other devices.
- the communication device may also include a storage module, which is used to couple with the transceiver module and the processing module, and store the computer programs and data necessary for the communication device.
- an embodiment of the present disclosure provides a communication device, which includes a processor.
- the processor calls a computer program in a memory, it executes the method for determining a positioning reference signal PRS resource based on a side link as described in the first aspect above.
- an embodiment of the present disclosure provides a communication device, which includes a processor.
- the processor calls a computer program in a memory, it executes the method for determining a positioning reference signal PRS resource based on a side link described in the second aspect.
- an embodiment of the present disclosure provides a communication device, which includes a processor.
- the processor calls a computer program in a memory, it executes the method for determining a positioning reference signal (PRS) resource based on a side link as described in the third aspect above.
- PRS positioning reference signal
- an embodiment of the present disclosure provides a communication device, which includes a processor and a memory, in which a computer program is stored; the processor executes the computer program stored in the memory so that the communication device executes the method for determining the positioning reference signal PRS resources based on the side link described in the first aspect above.
- an embodiment of the present disclosure provides a communication device, which includes a processor and a memory, in which a computer program is stored; the processor executes the computer program stored in the memory so that the communication device executes the method for determining the positioning reference signal PRS resources based on the side link described in the second aspect above.
- an embodiment of the present disclosure provides a communication device, which includes a processor and a memory, in which a computer program is stored; the processor executes the computer program stored in the memory so that the communication device executes the method for determining the positioning reference signal PRS resources based on the side link described in the third aspect above.
- an embodiment of the present disclosure provides a communication device, which includes a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to enable the device to execute the side link-based positioning reference signal PRS resource determination method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device, which includes a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to enable the device to execute the side link-based positioning reference signal PRS resource determination method described in the second aspect above.
- an embodiment of the present disclosure provides a communication device, which includes a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to enable the device to execute the side link-based positioning reference signal PRS resource determination method described in the third aspect above.
- an embodiment of the present disclosure provides a communication system, the system comprising the communication device described in the fourth aspect, the communication device described in the fifth aspect, and the communication device described in the sixth aspect; or, the system comprising the communication device described in the seventh aspect, the communication device described in the eighth aspect, and the communication device described in the ninth aspect; or, the system comprising the communication device described in the tenth aspect, the communication device described in the eleventh aspect, and the communication device described in the twelfth aspect; or, the system comprising the communication device described in the thirteenth aspect, the communication device described in the fourteenth aspect, and the communication device described in the fifteenth aspect.
- an embodiment of the present disclosure provides a computer-readable storage medium for storing instructions for the above-mentioned first terminal device.
- the first terminal device executes the method for determining the positioning reference signal PRS resources based on the side link described in the above-mentioned first aspect.
- an embodiment of the present disclosure provides a computer-readable storage medium for storing instructions for the above-mentioned second terminal device.
- the second terminal device executes the method for determining the positioning reference signal PRS resources based on the side link described in the above-mentioned second aspect.
- an embodiment of the present disclosure provides a computer-readable storage medium for storing instructions used by the above-mentioned network device.
- the network device executes the method for determining the positioning reference signal PRS resources based on the side link described in the third aspect.
- the present disclosure further provides a computer program product comprising a computer program, which, when executed on a computer, enables the computer to execute the method for determining positioning reference signal PRS resources based on the side link as described in the first aspect above.
- the present disclosure further provides a computer program product comprising a computer program, which, when executed on a computer, enables the computer to execute the method for determining positioning reference signal PRS resources based on the side link as described in the second aspect above.
- the present disclosure further provides a computer program product comprising a computer program, which, when executed on a computer, enables the computer to execute the method for determining positioning reference signal PRS resources based on the side link as described in the third aspect above.
- the present disclosure provides a chip system comprising at least one processor and an interface for supporting a first terminal device to implement the functions involved in the first aspect, for example, determining or processing at least one of the data and information involved in the above method.
- the chip system further includes a memory, and the memory is used to store computer programs and data necessary for the first terminal device.
- the chip system can be composed of a chip, or can include a chip and other discrete devices.
- the present disclosure provides a chip system comprising at least one processor and an interface for supporting a second terminal device to implement the functions involved in the second aspect, for example, determining or processing at least one of the data and information involved in the above method.
- the chip system further includes a memory, and the memory is used to store computer programs and data necessary for the second terminal device.
- the chip system can be composed of a chip, or can include a chip and other discrete devices.
- the present disclosure provides a chip system, which includes at least one processor and an interface, for supporting a network device to implement the functions involved in the third aspect, for example, determining or processing at least one of the data and information involved in the above method.
- the chip system also includes a memory, and the memory is used to store computer programs and data necessary for the network device.
- the chip system can be composed of chips, or it can include chips and other discrete devices.
- the present disclosure provides a computer program, which, when executed on a computer, enables the computer to execute the method for determining positioning reference signal PRS resources based on the side link as described in the first aspect above.
- the present disclosure provides a computer program, which, when executed on a computer, enables the computer to execute the method for determining positioning reference signal PRS resources based on the side link as described in the second aspect above.
- the present disclosure provides a computer program, which, when executed on a computer, enables the computer to execute the method for determining positioning reference signal PRS resources based on the side link as described in the third aspect above.
- the method, apparatus, device, chip system, storage medium, computer program, and computer program product for determining a positioning reference signal PRS resource based on a sidelink provided in the embodiments of the present disclosure can achieve the following technical effects:
- the sidelink SL positioning is initiated by the first terminal device, and an indication message is sent to the second terminal device, wherein the indication message is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS of the sidelink SL, and/or an indication message is sent to the network device, wherein the indication message is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS of the sidelink SL.
- the UE participating in the sidelink SL positioning, and/or the network device responsible for resource allocation in the sidelink SL positioning can effectively determine the resources for sending the SL PRS based on the indication message, thereby effectively improving the sidelink SL positioning effect.
- FIG1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present disclosure.
- FIG2a is a schematic diagram of a flow chart of a method for determining a positioning reference signal (PRS) resource based on a sidelink provided by an embodiment of the present disclosure
- FIG2b is a schematic diagram of a flow chart of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG2c is a schematic diagram of a flow chart of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG3a is a schematic diagram of a flow chart of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG3b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG4a is a schematic diagram of a flow chart of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG4b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG4c is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG5 is a schematic flow chart of another method for determining positioning reference signal PRS resources based on a sidelink provided by an embodiment of the present disclosure
- FIG6a is a schematic diagram of a flow chart of another method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG6b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG6c is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG7a is a schematic diagram of a flow chart of another method for determining positioning reference signal PRS resources based on a sidelink provided by an embodiment of the present disclosure
- FIG7b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG8 is a schematic flow chart of another method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG9a is a schematic diagram of a flow chart of another method for determining positioning reference signal PRS resources based on a sidelink provided by an embodiment of the present disclosure
- FIG9b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG9c is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a sidelink provided by an embodiment of the present disclosure
- FIG10 is a schematic diagram of the structure of a communication device provided in an embodiment of the present disclosure.
- FIG11 is a schematic diagram of the structure of another communication device provided in an embodiment of the present disclosure.
- FIG. 12 is a schematic diagram of the structure of a chip according to an embodiment of the present disclosure.
- first, second, third, etc. may be used to describe various information in the disclosed embodiments, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
- the words "if” and “if” as used herein may be interpreted as “at” or "when” or "in response to determination".
- Sidelink A technology in which a terminal device uses the new radio (NR) spectrum resources and access technology to directly establish a connection with another terminal device to transmit application layer data.
- NR new radio
- Radio Resource Control refers to the management, control and scheduling of wireless resources through set strategies and means. It makes full use of limited wireless network resources as much as possible while meeting the quality of service requirements, ensures that the planned coverage area is reached, and maximizes service capacity and resource utilization.
- FIG. 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present disclosure.
- the communication system may include, but is not limited to, one network device and two terminal devices.
- the number and form of devices shown in FIG. 1 are only used for example and do not constitute a limitation on the embodiment of the present disclosure. In actual applications, two or more network devices and one or more terminal devices may be included.
- the communication system shown in FIG. 1 is exemplified by including one network device 101 and two terminal devices 102 and 103.
- LTE long term evolution
- 5G fifth generation
- NR 5G new radio
- the network device 101 in the embodiment of the present disclosure is an entity on the network side for transmitting or receiving signals.
- the network device 101 can be an evolved NodeB (eNB), a transmission reception point (TRP), a next generation NodeB (gNB) in an NR system, a base station in other future mobile communication systems, or an access node in a wireless fidelity (WiFi) system.
- eNB evolved NodeB
- TRP transmission reception point
- gNB next generation NodeB
- WiFi wireless fidelity
- the embodiment of the present disclosure does not limit the specific technology and specific device form adopted by the network device.
- the network device may be composed of a centralized unit (CU) and a distributed unit (DU), wherein the CU may also be called a control unit (control unit).
- the CU-DU structure may be used to split the protocol layer of a network device, such as a base station, with some functions of the protocol layer being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layer being distributed in the DU, and the DU being centrally controlled by the CU.
- the terminal devices 102 and 103 in the disclosed embodiment are entities for receiving or transmitting signals on the user side, such as mobile phones.
- the terminal device may also be referred to as a terminal device (terminal), a user equipment (UE), a mobile station (MS), a mobile terminal device (MT), etc.
- the terminal device may be a car with communication function, a smart car, a mobile phone (mobile phone), a wearable device, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in a smart city (smart city), a wireless terminal device in a smart home (smart home), etc.
- the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal device.
- the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution provided by the embodiment of the present disclosure.
- a person skilled in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution provided by the embodiment of the present disclosure is also applicable to similar technical problems.
- Figure 2a is a flow chart of a method for determining the positioning reference signal PRS resource based on the side link provided by an embodiment of the present disclosure, which is executed by a first terminal device.
- the method may include but is not limited to the following steps:
- S102a Initiate sidelink SL positioning.
- the terminal device that initiates the sidelink SL positioning can be called the first terminal device, and the first terminal device can be one of the target UE, anchor UE, and assistant UE, and there is no restriction on this.
- the second terminal device is a terminal device that performs sidelink SL positioning, that is, the UE participating in the sidelink SL positioning can be called the second terminal device.
- the second terminal device can be one of the target UE, anchor UE, and assistant UE.
- the types of the first terminal device and the second terminal device can be the same or different, and there is no limitation on this.
- the number of the second terminal device participating in the sidelink SL positioning may be one or more, and the second terminal device is a terminal device to send the positioning reference signal SL PRS of the sidelink SL.
- the second terminal device to send the positioning reference signal SL PRS of the sidelink SL may be determined by the first terminal device based on a specific sidelink SL positioning method, and there is no limitation on this.
- both terminal devices involved in ranging have the need to send SL PRS; in the sidelink time difference of arrival SLTDOA method, usually the anchor UE has the need to send SL PRS; in the sidelink angle of arrival SL-AOA, usually the target UE has the need to send SL PRS.
- the assistant UE also has the need to send SL PRS.
- S202a Send indication information to the second terminal device, wherein the indication information is used to instruct the second terminal device to determine resources for sending a positioning reference signal SL PRS of the side link SL.
- the resources of the positioning reference signal SL PRS of the sending side link SL can be time-frequency domain resources, and the information used to indicate the resources of the positioning reference signal SL PRS of the sending side link SL can be called indication information.
- the resources of the sidelink positioning reference signal (the resources, for example, time-frequency domain resources, used to send the SL PRS) have a great relationship with the quality of service (QoS) requirements, and the UE that only initiates the sidelink SL positioning clearly defines the quality of service QoS requirements
- the first terminal device may send an indication message to the second terminal device, wherein the indication message is used to instruct the second terminal device to determine the resources for sending the sidelink SL positioning reference signal SL PRS.
- the side link SL positioning is initiated by the first terminal device, and an indication information is sent to the second terminal device, wherein the indication information is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS of the side link SL, so that the UE participating in the side link SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the side link SL positioning effect.
- FIG2 b is a flow chart of a method for determining positioning reference signal PRS resources based on a side link provided in an embodiment of the present disclosure, and the method is executed by a first terminal device.
- the method may include but is not limited to the following steps:
- S102b Initiate sidelink SL positioning.
- S202b Send indication information to the network device, wherein the indication information is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS of the side link SL.
- the network device can be responsible for resource allocation, or can also send the side link SL positioning reference signal SL PRS to support the side link SL positioning.
- the resources of the sidelink positioning reference signal (the resources, for example, time-frequency domain resources, used to send the SL PRS) have a great relationship with the quality of service (QoS) requirements, and the UE that only initiates the sidelink SL positioning clearly defines the quality of service QoS requirements
- the first terminal device may send an indication message to the network device, wherein the indication message is used to instruct the network device to determine the resources for sending the sidelink SL positioning reference signal SL PRS.
- the network device may send a positioning request to the first terminal device, and the first terminal device may determine the sidelink positioning method indicated by the network device based on the positioning request, and then the first terminal device initiates sidelink SL positioning based on the sidelink positioning method.
- the first terminal device may send indication information to the network device to instruct the network device to be responsible for resource allocation in the sidelink SL positioning process (such as allocating resources to any other possible UE involved in the sidelink SL positioning process), or instruct the network device to determine the resources required for this device to send SL PRS (to support sidelink SL positioning), and there is no restriction on this.
- the first terminal device may trigger the initiation of sidelink SL positioning, and then the first terminal device may send an indication message to the network device to instruct the network device to be responsible for resource allocation during the sidelink SL positioning process, or to instruct the network device to determine the resources required for the device to send SL PRS (to support sidelink SL positioning). There is no restriction on this.
- the network device may be a base station or a core network, such as a location management function.
- the side link SL positioning is initiated by the first terminal device, and an indication information is sent to the network device, wherein the indication information is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS of the side link SL, so that the network device can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the side link SL positioning effect.
- the first terminal may first initiate side link SL positioning, and then send an indication message to the network device to instruct the network device to determine the resources for sending the positioning reference signal SL PRS for the side link SL.
- the order of initiating side link SL positioning and sending an indication message to the network device to instruct the network device to determine the resources for sending the positioning reference signal SL PRS for the side link SL can be adjusted as needed, for example, executing them simultaneously, or sending the indication message first and then initiating side link positioning.
- Figure 2c is a flowchart of a method for determining positioning reference signal PRS resources based on a side link provided by an embodiment of the present disclosure, and the method is executed by a first terminal device.
- the method may include but is not limited to the following steps:
- S102c Initiate sidelink SL positioning.
- S202c Sending indication information to the second terminal device, wherein the indication information is used to instruct the second terminal device to determine resources for sending a positioning reference signal SL PRS for the side link SL, and sending indication information to the network device, wherein the indication information is used to instruct the network device to determine resources for sending a positioning reference signal SL PRS for the side link SL.
- the first terminal device is supported to send indication information to the second terminal device and the network device to instruct the second terminal device and the network device to determine the resources for sending the positioning reference signal SL PRS of the side link SL.
- the indication information sent to the second terminal device is used to instruct the second terminal device to determine the resources required for the device to send the SL PRS
- the indication information sent to the network device is used to instruct the network device to determine the resources required for the device to send the SL PRS, or to instruct the network device to be responsible for resource allocation during the positioning process of the side link SL, and there is no restriction on this.
- the first terminal device may send indication information to the second terminal device and the network device.
- the specific sending method may be determined according to the actual side link SL positioning situation, and there is no limitation on this.
- the second terminal device and/or network device can determine the resources used to send the SL PRS based on the indication information sent by the first terminal device, and there is no limitation on this.
- the side link SL positioning is initiated by the first terminal device, and indication information is sent to the second terminal device and the network device, wherein the indication information is used to instruct the second terminal device and the network device to determine the resources for sending the positioning reference signal SL PRS of the side link SL, so that the UE participating in the side link SL positioning and the network device responsible for resource allocation in the side link SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the side link SL positioning effect.
- the indication information includes at least one of the following: quality of service (Sidelink Location Service Quality of Service, LCS QoS) information of the sidelink SL positioning service; configuration information of the sidelink positioning reference signal SL PRS, which can effectively improve the comprehensiveness and indication effect of the indication information.
- quality of service Sidelink Location Service Quality of Service, LCS QoS
- the quality of service LCS QoS information of the sidelink SL positioning service can be used to describe the quality of service QoS requirements related to the sidelink SL positioning, and the sidelink positioning reference signal SL PRS configuration information can be used to perform signal configuration of the SL PRS.
- the quality of service LCS QoS information of the sidelink SL positioning service includes one or more of the LCS QoS level, LCS QoS accuracy, LCS QoS response time, LCS QoS distance range parameters, requested elevation coordinates (requested vertical coordinates), requested speed, requested distance, requested angle, requested relative position, requested absolute position, and requested zenith angle (requested zenith angle), thereby effectively improving the comprehensiveness of the indication of the quality of service LCS QoS information of the sidelink SL positioning service.
- LCS QoS Class can be, for example, Best Effort Class, Multiple QoS Class, Assured QoS Class, and there is no restriction on this.
- the accuracy of LCS QoS can be, for example, horizontal accuracy, vertical accuracy, distance accuracy, azimuth angle accuracy, and zenith angle accuracy, and there is no restriction on this.
- the response time (Response Time) of LCS QoS, Response Time can represent the maximum response time between location request and location response, in seconds/milliseconds, etc. It can also be, for example, no delay (no delay), low delay (low delay), delay tolerant (delay tolerant), and there is no restriction on this.
- the distance range parameter (range parameter) of LCS QoS indicates the distance requirement between the positioning UE and the located UE.
- the range parameter indicates that the accuracy requirement needs to be met within the distance range indicated by the range.
- the network device may be a base station or a core network, for example, a location management function.
- Configuration information of the positioning reference signal SL PRS of the side link includes one or more of the bandwidth of the SL PRS, the comb size of the SL PRS, the number of orthogonal frequency division multiplexing (OFDM) symbols of the SL PRS, the subcarrier spacing of the SL PRS, the carrier frequency of the SL PRS, the time-frequency resource position of the SL PRS, and a frequency hopping indication.
- OFDM orthogonal frequency division multiplexing
- the frequency hopping indication is used to indicate whether to perform frequency hopping, thereby effectively improving the comprehensiveness of the indication of the positioning reference signal SL PRS configuration information of the side link, and supporting the second terminal device and/or network device to select accurate resources for sending the positioning reference signal SL PRS based on the SL PRS configuration information.
- the bandwidth of SL PRS can indicate a bandwidth value or a bandwidth range; the comb size of SL PRS; the number of OFDM symbols of SL PRS; the SCS of SL PRS; the carrier frequency of SL PRS; and the time-frequency resource position of SL PRS.
- the frequency hopping indication is used to indicate whether to perform frequency hopping, wherein the comb size of SL PRS indicates the subcarrier density occupied in one SL PRS symbol.
- FIG3a is a flow chart of a method for determining positioning reference signal PRS resources based on a side link provided by an embodiment of the present disclosure, and the method is executed by a first terminal device.
- the method may include but is not limited to the following steps:
- S103a Initiate sidelink SL positioning.
- S203a Send a first signaling to the second terminal device, the first signaling includes: indication information, wherein the indication information is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS of the side link SL.
- the first signaling may include one or more of Sidelink Positioning Protocol (SLPP) signaling and Ranging and sidelink positioning protocol (RSPP) signaling, which can effectively improve the flexibility of sending indication information, so that the positioning reference signal PRS resource determination method based on the sidelink can be effectively applied to various sidelink SL positioning scenarios.
- SLPP Sidelink Positioning Protocol
- RSPP sidelink positioning protocol
- the side link positioning protocol SLPP signaling includes: a first auxiliary information providing message, the first auxiliary information providing message includes: indication information; and/or the ranging and side link positioning protocol RSPP signaling includes: a second auxiliary information providing message, the second auxiliary information providing message includes: indication information, that is, the indication information can be carried by the auxiliary information providing message to send the indication information to the second terminal device based on the side link positioning protocol SLPP signaling and/or the ranging and side link positioning protocol RSPP signaling.
- the auxiliary information provision message (provide assistant information message) contained in the sidelink positioning protocol SLPP signaling sent to the second terminal device can be called the first auxiliary information provision message
- the auxiliary information provision message (provide assistant information message) contained in the ranging and sidelink positioning protocol RSPP signaling sent to the second terminal device can be called the second auxiliary information provision message.
- Figure 3b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure.
- a first terminal device may initiate side link SL positioning, and send a first signaling to a second terminal device to instruct the second terminal device to determine the resource for sending a positioning reference signal SL PRS of the side link SL by the device based on the indication information in the first signaling.
- the first terminal device initiates the sidelink SL positioning and sends the first signaling to the second terminal device
- the first signaling includes: indication information, wherein the indication information is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS of the sidelink SL, so that the UE participating in the sidelink SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, and effectively improve the sidelink SL positioning effect.
- Sending the indication information to the second terminal device by sending a signaling method can effectively reduce the indication overhead and also improve the indication security.
- the positioning reference signal PRS resource determination method based on the side link provided in the embodiment of the present disclosure when the first terminal device is in an out of coverage state (out of coverage) and the second terminal device is in an out of coverage state (out of coverage) or in coverage state (in coverage), can effectively improve the sending effect of the indication information.
- FIG4a is a flow chart of a method for determining positioning reference signal PRS resources based on a side link provided in an embodiment of the present disclosure, and the method is executed by a first terminal device.
- the method may include but is not limited to the following steps:
- S104a Initiate sidelink SL positioning.
- S204a Send a second signaling to the network device, the second signaling includes: indication information, wherein the indication information is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS of the side link SL.
- the network device may parse the second signaling sent by the first terminal device to obtain indication information, so as to select resources for sending the positioning reference signal SL PRS of the side link SL based on the indication information, wherein the resources selected by the network device for sending the positioning reference signal SL PRS of the side link SL may be used by the network device to directly send the SL PRS, or may be resources for sending the SL PRS configured by the network device for other terminal devices participating in the side link SL positioning, and there is no restriction on this.
- the network device may be a base station or a core network, for example, a location management function.
- Figure 4b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure.
- the first terminal device may initiate side link SL positioning and send a second signaling to the base station to instruct the base station to determine the resource for sending the positioning reference signal SL PRS of the side link SL based on the indication information in the second signaling, or to perform resource allocation during the positioning process of the side link SL.
- Figure 4c is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure.
- the side link SL positioning can be initiated by the first terminal device, and the second signaling can be sent to the location management function LMF through transparent transmission by the base station to instruct the location management function LMF to determine the resources for sending the positioning reference signal SL PRS of the side link SL based on the indication information in the second signaling, or to allocate resources during the positioning process of the side link SL.
- the first terminal device initiates the sidelink SL positioning and sends a second signaling to the network device
- the second signaling includes: indication information, wherein the indication information is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS of the sidelink SL, so that the network device can effectively determine the resources for sending the SL PRS based on the indication information, and effectively improve the sidelink SL positioning effect.
- Sending the indication information to the network device by sending a signaling method can effectively reduce the indication overhead and also improve the indication security.
- the network device may be a base station or a core network, such as a location management function (LMF).
- LMF location management function
- the second signaling includes at least: a radio resource control RRC message.
- the second signaling includes one or more of sidelink positioning protocol SLPP signaling, ranging and sidelink positioning protocol RSPP signaling, and long term evolution (LTE) positioning protocol LPP signaling, which can effectively improve the flexibility of sending indication information, so that the positioning reference signal PRS resource determination method based on the sidelink can be effectively applied to various sidelink SL positioning scenarios.
- LTE long term evolution
- the sidelink positioning protocol SLPP signaling includes: a third auxiliary information provision message, the third auxiliary information provision message includes: indication information; and/or the ranging and sidelink positioning protocol RSPP signaling includes: a fourth auxiliary information provision message, the fourth auxiliary information provision message includes: indication information; and/or the long term evolution LTE positioning protocol LPP signaling includes: a fifth auxiliary information provision message, the fifth auxiliary information provision message includes: indication information, that is, the indication information can be carried by the auxiliary information provision message to send the indication information to the second terminal device based on the sidelink positioning protocol SLPP signaling, and/or the ranging and sidelink positioning protocol RSPP signaling, and/or the long term evolution positioning protocol LPP signaling.
- the auxiliary information provision message (provide assistant information message) contained in the sidelink positioning protocol SLPP signaling sent to the network device can be called the third auxiliary information provision message
- the auxiliary information provision message (provide assistant information message) contained in the ranging and sidelink positioning protocol RSPP signaling sent to the network device can be called the fourth auxiliary information provision message
- the auxiliary information provision message (provide assistant information message) contained in the long term evolution LTE positioning protocol LPP signaling sent to the network device can be called the fifth auxiliary information provision message.
- FIG5 is a flow chart of another method for determining a positioning reference signal (PRS) resource based on a sidelink provided by an embodiment of the present disclosure, the method being executed by a second terminal device.
- a UE participating in sidelink SL positioning may be referred to as a second terminal device, and the second terminal device may be one of a target UE, an anchor UE, and an assistant UE, without limitation.
- the method may include but is not limited to the following steps:
- S105 Receive indication information sent by the first terminal device, wherein the indication information is used to instruct the second terminal device to determine resources for sending a positioning reference signal SL PRS of the side link SL, and the positioning of the side link SL is initiated by the first terminal device.
- S205 Determine the resources for sending the positioning reference signal SL PRS of the side link SL according to the indication information.
- the second terminal device may receive indication information sent by the first terminal device, and based on the indication information, determine resources for sending the positioning reference signal SL PRS of the side link SL.
- the second terminal device can determine the resources for sending the positioning reference signal SL PRS of the side link SL according to the resource allocation mode of the device, and then, based on the determined resources for sending the positioning reference signal SL PRS of the side link SL, send the positioning reference signal SL PRS of the side link SL to support the positioning of the side link SL.
- the positioning of the side link SL is initiated by the first terminal device, and based on the indication information, the resources for sending the positioning reference signal SL PRS of the side link SL are determined, so that the UE participating in the side link SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the side link SL positioning effect.
- the method for determining positioning reference signal PRS resources based on the side link indicates that information includes quality of service LCS QoS information of the side link SL positioning service and one or more items of positioning reference signal SL PRS configuration information of the side link.
- the quality of service LCS QoS information of the sidelink SL positioning service includes one or more of the LCS QoS level, LCS QoS accuracy, LCS QoS response time, LCS QoS distance range parameters, requested elevation coordinates (requested vertical coordinates), requested speed, requested distance, requested angle, requested relative position, requested absolute position, and requested zenith angle (requested zenith angle), thereby effectively improving the comprehensiveness of the indication of the quality of service LCS QoS information of the sidelink SL positioning service.
- the configuration information of the positioning reference signal SL PRS of the side link includes one or more of the bandwidth of the SL PRS, the comb size of the SL PRS, the number of orthogonal frequency division multiplexing OFDM symbols of the SL PRS, the subcarrier spacing of the SL PRS, the carrier frequency of the SL PRS, the time-frequency resource position of the SL PRS, and the frequency hopping indication, wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- the method for determining the positioning reference signal PRS resources based on the side link can also be used by the second terminal device to receive the first signaling sent by the first terminal device, and the first signaling includes: indication information, wherein the first signaling includes one or more of the side link positioning protocol SLPP signaling, ranging and side link positioning protocol RSPP signaling, so that the second terminal device participating in the side link SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, and effectively improve the side link SL positioning effect.
- the indication overhead can be effectively reduced, and the indication security can also be improved. It can also effectively improve the flexibility of sending the indication information, so that the method for determining the positioning reference signal PRS resources based on the side link can be effectively applied to a variety of side link SL positioning scenarios.
- the sidelink positioning protocol SLPP signaling includes: a first auxiliary information providing message, the first auxiliary information providing message includes: indication information; and/or the ranging and sidelink positioning protocol RSPP signaling includes: a second auxiliary information providing message, the second auxiliary information providing message includes: indication information, that is, the indication information can be carried by the auxiliary information providing message to receive the indication information sent by the first terminal device based on the sidelink positioning protocol SLPP signaling and/or the ranging and sidelink positioning protocol RSPP signaling.
- FIG6a is a flow chart of another method for determining positioning reference signal PRS resources based on a side link provided in an embodiment of the present disclosure, and the method is executed by a second terminal device.
- the method may include but is not limited to the following steps:
- S106a Receive indication information sent by the first terminal device, wherein the indication information is used to instruct the second terminal device to determine resources for sending a positioning reference signal SL PRS of the side link SL, and the positioning of the side link SL is initiated by the first terminal device.
- S206a In response to the second terminal device being in the first resource allocation mode, sending indication information to the network device.
- the network dynamic scheduling mode means that the network device dynamically allocates the transmission resources on the sidelink SL to the UE according to the cache data reported by the UE
- the autonomous selection mode means that the UE randomly selects the transmission resources from the network broadcast or pre-configured resource pool.
- the second terminal device can determine the resource allocation mode of the device based on its state (for example, out of coverage state or in coverage state); if it is out of coverage (out of coverage), the second terminal device is in the second resource allocation mode; if it is in coverage (in coverage), the second terminal device is in the first resource allocation mode; alternatively, the second terminal device may also determine the resource allocation mode of the device based on the indication of the base station, without limitation.
- the second terminal device is supported to flexibly determine the resources of the positioning reference signal SL PRS of the sending side link SL based on the resource allocation mode of the device.
- a third signaling may be sent to a network device, and the third signaling includes: indication information; wherein the third signaling includes one or more of SidelinkUEInformationNR signaling, Sidelink Positioning Protocol SLPP signaling, Ranging and Sidelink Positioning Protocol RSPP signaling, and Long Term Evolution LTE Positioning Protocol LPP signaling, so as to flexibly forward the indication information to the network device.
- the third signaling includes one or more of SidelinkUEInformationNR signaling, Sidelink Positioning Protocol SLPP signaling, Ranging and Sidelink Positioning Protocol RSPP signaling, and Long Term Evolution LTE Positioning Protocol LPP signaling, so as to flexibly forward the indication information to the network device.
- the second terminal device can send one or more of SidelinkUEInformationNR signaling, Sidelink Positioning Protocol SLPP signaling, Ranging and Sidelink Positioning Protocol RSPP signaling, and Long Term Evolution LTE Positioning Protocol LPP signaling to the base station or location management function LMF, wherein the Sidelink Positioning Protocol SLPP signaling, Ranging and Sidelink Positioning Protocol RSPP signaling, and Long Term Evolution LTE Positioning Protocol LPP signaling can respectively include an auxiliary information provision message provide assistant information, and the auxiliary information provision message provide assistant information can carry indication information to enable the second network device to forward the indication information to the network device.
- SidelinkUEInformationNR signaling Sidelink Positioning Protocol SLPP signaling, Ranging and Sidelink Positioning Protocol RSPP signaling, and Long Term Evolution LTE Positioning Protocol LPP signaling
- the Sidelink Positioning Protocol SLPP signaling, Ranging and Sidelink Positioning Protocol RSPP signaling, and Long Term Evolution LTE Positioning Protocol LPP signaling can respectively include an auxiliary information provision message
- S306a Obtain the resources of the positioning reference signal SL PRS of the sending side line link SL configured by the network device based on the indication information.
- the second terminal device when it determines that it is in the first resource allocation mode, it can send an indication message to the network device, and then the network device configures resources for sending the positioning reference signal SL PRS of the side link SL for the second terminal device based on the indication message.
- the second terminal device can obtain the resources for sending the positioning reference signal SL PRS of the side link SL configured by the network device to send the SL PRS.
- the positioning of the side link SL is initiated by the first terminal device, and in response to the second terminal device being in the first resource allocation mode, the indication information is sent to the network device, and the resources for sending the positioning reference signal SL PRS of the side link SL configured by the network device are obtained, so that the UE participating in the positioning of the side link SL can effectively determine the resources for sending the SL PRS based on the indication information, and effectively improve the positioning effect of the side link SL.
- the second terminal device to flexibly determine the resources for sending the positioning reference signal SL PRS of the side link SL based on the resource allocation mode of the device. After determining that the device supports the first resource allocation mode, the resources for sending the positioning reference signal SL PRS of the side link SL configured by the network device are obtained, wherein the resources for sending the positioning reference signal SL PRS of the side link SL are determined by the indication information, and the resources for sending the positioning reference signal SL PRS of the side link SL can be obtained in a timely manner.
- Figure 6b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure. That is, the first terminal device initiates the positioning of the side link SL, and sends an indication message to the second terminal device based on the first signaling. Then, after receiving the indication message sent by the first terminal device, the second terminal device can determine the resource allocation mode of the device. If the device is in the first resource allocation mode (mode 1 of network dynamic scheduling), the second terminal device can send the indication message to the base station based on the third signaling, and the base station allocates time-frequency domain resources to the second terminal device, and there is no restriction on this.
- mode 1 of network dynamic scheduling
- Figure 6c is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure. That is, the first terminal device initiates the positioning of the side link SL, and sends an indication message to the second terminal device based on the first signaling. Then, after receiving the indication message sent by the first terminal device, the second terminal device can determine the resource allocation mode of the device. If the device is in the first resource allocation mode (mode 1 of network dynamic scheduling), the second terminal device can also send the indication message to the location management function LMF based on the third signaling, and the location management function LMF allocates time-frequency domain resources to the second terminal device, and there is no restriction on this.
- mode 1 of network dynamic scheduling mode 1 of network dynamic scheduling
- FIG7 a is a flow chart of another method for determining positioning reference signal PRS resources based on a side link provided in an embodiment of the present disclosure, and the method is executed by a second terminal device.
- the method may include but is not limited to the following steps:
- S107a Receive indication information sent by the first terminal device, wherein the indication information is used to instruct the second terminal device to determine resources for sending a positioning reference signal SL PRS of the side link SL, and the positioning of the side link SL is initiated by the first terminal device.
- S207a In response to the second terminal device being in the second resource allocation mode, select resources for sending the positioning reference signal SL PRS of the side link SL according to the indication information.
- the second terminal device determines that the device is in the second resource allocation mode, it can randomly select resources for sending the positioning reference signal SL PRS of the side link SL from the network broadcast or pre-configured resource pool.
- the UE participating in the sidelink SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, effectively improving the sidelink SL positioning effect.
- the resources for sending the positioning reference signal SL PRS of the sidelink SL are selected according to the indication information, so that the resources for sending the positioning reference signal SL PRS of the sidelink SL can be selected in a timely manner.
- Figure 7b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure. That is, the first terminal device initiates the positioning of the side link SL, and sends an indication message to the second terminal device based on the first signaling. Then, after receiving the indication message sent by the first terminal device, the second terminal device can determine the resource allocation mode of the device. If the device is in the second resource allocation mode (mode 2), the second terminal device can autonomously select the resource for sending the positioning reference signal SL PRS of the side link SL from the resource pool broadcast by the network, and there is no restriction on this.
- mode 2 the second resource allocation mode
- the positioning reference signal PRS resource determination method based on the side link provided in the embodiment of the present disclosure when the first terminal device is in an out of coverage state (out of coverage) and the second terminal device is in an out of coverage state (out of coverage) or in coverage state (in coverage), can effectively improve the sending effect of the indication information.
- FIG8 is a flow chart of another method for determining positioning reference signal PRS resources based on a side link provided by an embodiment of the present disclosure, and the method is executed by a network device.
- the method may include but is not limited to the following steps:
- S108 Receive indication information sent by the first terminal device, wherein the indication information is used to instruct the network device to determine resources for sending a positioning reference signal SL PRS for the side link SL, and the positioning of the side link SL is initiated by the first terminal device.
- S208 Determine the resources for sending the positioning reference signal SL PRS of the side link SL according to the indication information.
- the resources for sending the positioning reference signal SL PRS of the side link SL determined by the network device can be used by the network device to directly send the SL PRS.
- the network device can also configure resources for sending the positioning reference signal SL PRS of the side link SL for other terminal devices participating in the side link SL positioning. Then, the configured resources for sending the positioning reference signal SL PRS of the side link SL can support other terminal devices participating in the side link SL positioning to send SL PRS, and there is no restriction on this.
- the positioning of the side link SL is initiated by the first terminal device, and based on the indication information, the resources for sending the positioning reference signal SL PRS of the side link SL are determined, so that the network device can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the positioning effect of the side link SL.
- the method for determining positioning reference signal (PRS) resources based on the side link includes indication information including at least one of the following: quality of service (LCS) QoS information of the side link (SL) positioning service; and configuration information of the positioning reference signal (SL) PRS of the side link.
- indication information including at least one of the following: quality of service (LCS) QoS information of the side link (SL) positioning service; and configuration information of the positioning reference signal (SL) PRS of the side link.
- the quality of service LCS QoS information of the sidelink SL positioning service includes one or more of the LCS QoS level, LCS QoS accuracy, LCS QoS response time, LCS QoS distance range parameters, requested elevation coordinates (requested vertical coordinates), requested speed, requested distance, requested angle, requested relative position, requested absolute position, and requested zenith angle (requested zenith angle), thereby effectively improving the comprehensiveness of the indication of the quality of service LCS QoS information of the sidelink SL positioning service.
- the configuration information of the positioning reference signal SL PRS of the side link includes at least one of the following: the bandwidth of SL PRS; the comb size of SL PRS; the number of orthogonal frequency division multiplexing OFDM symbols of SL PRS; the subcarrier spacing of SL PRS; the carrier frequency of SL PRS; the time-frequency resource position of SL PRS; and the frequency hopping indication, wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- the method for determining positioning reference signal PRS resources based on the sidelink also includes: receiving a second signaling sent by a first terminal device, the second signaling including: indication information; wherein, if the network device is a base station, the second signaling includes at least: a radio resource control RRC message; if the network device is a location management function LMF, the second signaling includes at least one of the following: a sidelink positioning protocol SLPP signaling; a ranging and sidelink positioning protocol RSPP signaling; a long term evolution LTE positioning protocol LPP signaling.
- the embodiment of the present disclosure provides a method for determining positioning reference signal PRS resources based on the side link, wherein the side link positioning protocol SLPP signaling includes: a third auxiliary information provision message, the third auxiliary information provision message includes: indication information; and/or the ranging and side link positioning protocol RSPP signaling includes: a fourth auxiliary information provision message, the fourth auxiliary information provision message includes: indication information; and/or the long term evolution LTE positioning protocol LPP signaling includes: a fifth auxiliary information provision message, the fifth auxiliary information provision message includes: indication information.
- FIG9a is a flow chart of another method for determining positioning reference signal PRS resources based on a side link provided by an embodiment of the present disclosure, and the method is executed by a network device.
- the method may include but is not limited to the following steps:
- S109a Receive indication information sent by the first terminal device, wherein the indication information is used to instruct the network device to determine resources for sending a positioning reference signal SL PRS for the side link SL, and the positioning of the side link SL is initiated by the first terminal device.
- S209a Determine the resources for sending the positioning reference signal SL PRS of the side link SL according to the indication information.
- the resources for sending the positioning reference signal SL PRS of the side link SL determined by the network device can be used by the network device to directly send the SL PRS.
- the network device can also configure resources for sending the positioning reference signal SL PRS of the side link SL for other terminal devices participating in the side link SL positioning. Then, the configured resources for sending the positioning reference signal SL PRS of the side link SL can support other terminal devices participating in the side link SL positioning to send SL PRS, and there is no restriction on this.
- S309a Receive indication information sent by the second terminal device.
- the indication information can be received by the second terminal device from the first terminal device and forwarded to the network device.
- the second terminal device determines that the device is in the first resource allocation mode, it can forward the indication information to the network device, and the network device can receive the indication information sent by the second terminal device.
- S409a According to the indication information, configure resources of the positioning reference signal SL PRS of the sending side link SL for the second terminal device, wherein the configured resources of the positioning reference signal SL PRS of the sending side link SL are used for the positioning reference signal SL PRS of the sending side link SL of the second terminal device.
- the network device can effectively determine the resources for sending the SL PRS based on the indication information, effectively improving the sidelink SL positioning effect. It is also possible to configure the second terminal device with the resources for sending the positioning reference signal SL PRS of the sidelink SL, and the configured resources for sending the positioning reference signal SL PRS of the sidelink SL are used by the second terminal device to send the positioning reference signal SL PRS of the sidelink SL.
- Figure 9b is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure. That is, the first terminal device initiates the positioning of the side link SL, sends an indication message to the second terminal device based on the first signaling, and sends an indication message to the base station based on the second signaling. Then, after receiving the indication message sent by the first terminal device, the second terminal device can determine the resource allocation mode of the device.
- the second terminal device can also send the indication message to the base station based on the third signaling, and the base station allocates time-frequency domain resources to the second terminal device, and there is no restriction on this.
- Figure 9c is an interactive schematic diagram of a method for determining a positioning reference signal PRS resource based on a side link provided by an embodiment of the present disclosure. That is, the first terminal device initiates the positioning of the side link SL, sends an indication message to the second terminal device based on the first signaling, and sends an indication message to the location management function LMF based on the second signaling. Then, after receiving the indication message sent by the first terminal device, the second terminal device can determine the resource allocation mode of the device.
- the second terminal device can also send the indication message to the location management function LMF based on the third signaling, and the location management function LMF allocates time-frequency domain resources to the second terminal device, and there is no restriction on this.
- the sidelink-based positioning reference signal PRS resource determination method receives indication information sent by the second terminal device, which may be receiving third signaling sent by the second terminal device, and the third signaling includes: indication information; wherein the third signaling includes at least one of the following: SidelinkUEInformationNR signaling; Sidelink Positioning Protocol SLPP signaling; Ranging and Sidelink Positioning Protocol RSPP signaling; Long Term Evolution LTE Positioning Protocol LPP signaling.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- FIG10 is a schematic diagram of the structure of a communication device provided by an embodiment of the present disclosure.
- the communication device 100 shown in FIG10 may include a transceiver module 1001 and a processing module 1002.
- the transceiver module 1001 may include a sending module and/or a receiving module, the sending module is used to implement a sending function, the receiving module is used to implement a receiving function, and the transceiver module 1001 may implement a sending function and/or a receiving function.
- the communication device 100 may be a terminal device (such as the first terminal device and the second terminal device in the aforementioned method embodiment), or a device in a terminal device, or a device that can be used in conjunction with a terminal device.
- the communication device 100 may be a network device (such as the network device in the aforementioned method embodiment), or a device in a network device, or a device that can be used in conjunction with a network device.
- the communication device 100 at the first terminal device side, includes:
- the processing module 1002 is used to initiate side link SL positioning
- the transceiver module 1001 is used to send indication information to the second terminal device, wherein the indication information is used to instruct the second terminal device to determine the resources of the positioning reference signal SL PRS for sending the side link SL; and/or send indication information to the network device, wherein the indication information is used to instruct the network device to determine the resources of the positioning reference signal SL PRS for sending the side link SL.
- the indication information includes at least one of the following:
- the quality of service (LCS) QoS information of the sidelink (SL) positioning service includes at least one of the following:
- the positioning reference signal SL PRS configuration information of the sidelink includes at least one of the following:
- the carrier frequency of SL PRS The carrier frequency of SL PRS
- Frequency hopping indication wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- the second terminal device is a terminal device that performs sidelink SL positioning.
- sending indication information to the second terminal device includes:
- the first signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a first auxiliary information providing message, the first auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a second auxiliary information providing message, and the second auxiliary information providing message includes: indication information.
- sending indication information to a network device includes:
- the second signaling including: indication information
- the second signaling includes at least:
- sending indication information to a network device includes:
- the second signaling including: indication information
- the second signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a third auxiliary information providing message, and the third auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a fourth auxiliary information provision message, the fourth auxiliary information provision message includes: indication information; and/or
- the Long Term Evolution LTE Positioning Protocol LPP signaling includes: a fifth auxiliary information providing message, and the fifth auxiliary information providing message includes: indication information.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- the sidelink SL positioning is initiated by the first terminal device, and an indication message is sent to the second terminal device, wherein the indication message is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS of the sidelink SL, and/or an indication message is sent to the network device, wherein the indication message is used to instruct the network device to determine the resources for sending the positioning reference signal SL PRS of the sidelink SL, so that the UE participating in the sidelink SL positioning, and/or the network device responsible for resource allocation in the sidelink SL positioning, can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the sidelink SL positioning effect.
- the communication device 100 at the second terminal device side, includes:
- the transceiver module 1001 is used to receive indication information sent by the first terminal device, wherein the indication information is used to instruct the second terminal device to determine the resources for sending the positioning reference signal SL PRS of the side link SL, and the positioning of the side link SL is initiated by the first terminal device.
- the processing module 1002 is used to determine the resources for sending the positioning reference signal SL PRS of the side link SL according to the indication information.
- the indication information includes at least one of the following:
- the quality of service (LCS) QoS information of the sidelink (SL) positioning service includes at least one of the following:
- the positioning reference signal SL PRS configuration information of the sidelink includes at least one of the following:
- the carrier frequency of SL PRS The carrier frequency of SL PRS
- Frequency hopping indication wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- the second terminal device is a terminal device that performs sidelink SL positioning.
- receiving indication information sent by the first terminal device includes:
- the first signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a first auxiliary information providing message, the first auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a second auxiliary information providing message, and the second auxiliary information providing message includes: indication information.
- determining, according to the indication information, a resource for sending a positioning reference signal SL PRS of a sidelink SL includes:
- sending indication information to a network device includes:
- the third signaling including: indication information
- the third signaling includes at least one of the following:
- determining, according to the indication information, a resource for sending a positioning reference signal SL PRS of a sidelink SL includes:
- resources for sending the positioning reference signal SL PRS of the side link SL are selected according to the indication information.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- the positioning of the side link SL is initiated by the first terminal device, and based on the indication information, the resources for sending the positioning reference signal SL PRS of the side link SL are determined, so that the UE participating in the side link SL positioning can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the side link SL positioning effect.
- the communication device 100 on the network device side, includes:
- the transceiver module 1001 is used to receive indication information sent by the first terminal device, wherein the indication information is used to instruct the network device to determine a resource for sending a positioning reference signal SL PRS of the sidelink SL, and the positioning of the sidelink SL is initiated by the first terminal device;
- the processing module 1002 is used to determine the resources for sending the positioning reference signal SL PRS of the side link SL according to the indication information.
- the indication information includes at least one of the following:
- the quality of service (LCS) QoS information of the sidelink (SL) positioning service includes at least one of the following:
- the positioning reference signal SL PRS configuration information of the sidelink includes at least one of the following:
- the carrier frequency of SL PRS The carrier frequency of SL PRS
- Frequency hopping indication wherein the frequency hopping indication is used to indicate whether to perform frequency hopping.
- receiving indication information sent by the first terminal device includes:
- the second signaling includes: indication information
- the second signaling includes at least:
- receiving indication information sent by the first terminal device includes:
- the second signaling includes: indication information
- the second signaling includes at least one of the following:
- the side link positioning protocol SLPP signaling includes: a third auxiliary information providing message, and the third auxiliary information providing message includes: indication information; and/or
- the ranging and sidelink positioning protocol RSPP signaling includes: a fourth auxiliary information provision message, the fourth auxiliary information provision message includes: indication information; and/or the long term evolution LTE positioning protocol LPP signaling includes: a fifth auxiliary information provision message, the fifth auxiliary information provision message includes: indication information.
- the method further includes:
- resources of the positioning reference signal SL PRS of the sending side line link SL are configured for the second terminal device, wherein the configured resources of the positioning reference signal SL PRS of the sending side line link SL are used for the positioning reference signal SL PRS of the sending side line link of the second terminal device.
- receiving indication information sent by the second terminal device includes:
- the third signaling includes: indication information
- the third signaling includes at least one of the following:
- the second terminal device is a terminal device that performs sidelink SL positioning.
- the first terminal device is in an out-of-coverage state
- the second terminal device is in an out-of-coverage state or an in-coverage state.
- the positioning of the side link SL is initiated by the first terminal device, and based on the indication information, the resources for sending the positioning reference signal SL PRS of the side link SL are determined, so that the network device can effectively determine the resources for sending the SL PRS based on the indication information, thereby effectively improving the positioning effect of the side link SL.
- FIG11 is a schematic diagram of the structure of another communication device provided in an embodiment of the present disclosure.
- the communication device 110 may be a network device (such as the network device in the aforementioned method embodiment), or a terminal device (such as the first terminal device or the second terminal device in the aforementioned method embodiment), or a chip, a chip system, or a processor that supports the network device to implement the aforementioned method, or a chip, a chip system, or a processor that supports the terminal device to implement the aforementioned method.
- the device may be used to implement the method described in the aforementioned method embodiment, and the details may refer to the description in the aforementioned method embodiment.
- the communication device 110 may include one or more processors 1101.
- the processor 1101 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor or a central processing unit.
- the baseband processor may be used to process the communication protocol and communication data
- the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a computer program, and process the data of the computer program.
- the communication device 110 may further include one or more memories 1102, on which a computer program 1104 may be stored, and a computer program 1103 may be stored in the processor 1101, and the processor 1101 executes the computer program 1104 and/or the computer program 1103, so that the communication device 110 performs the method described in the above method embodiment.
- data may also be stored in the memory 1102.
- the communication device 110 and the memory 1102 may be provided separately or integrated together.
- the communication device 110 may further include a transceiver 1105 and an antenna 1106.
- the transceiver 1105 may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
- the transceiver 1105 may include a receiver and a transmitter, the receiver may be referred to as a receiver or a receiving circuit, etc., and is used to implement a receiving function; the transmitter may be referred to as a transmitter or a transmitting circuit, etc., and is used to implement a transmitting function.
- the communication device 110 may further include one or more interface circuits 1107.
- the interface circuit 1107 is used to receive code instructions and transmit them to the processor 1101.
- the processor 1101 executes the code instructions to enable the communication device 110 to execute the method described in the above method embodiment.
- the processor 1101 may include a transceiver for implementing the receiving and sending functions.
- the transceiver may be a transceiver circuit, an interface, or an interface circuit.
- the transceiver circuit, interface, or interface circuit for implementing the receiving and sending functions may be separate or integrated.
- the above-mentioned transceiver circuit, interface, or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface, or interface circuit may be used for transmitting or delivering signals.
- the processor 1101 may store a computer program 1103, which runs on the processor 1101 and enables the communication device 110 to perform the method described in the above method embodiment.
- the computer program 1103 may be fixed in the processor 1101, in which case the processor 1101 may be implemented by hardware.
- the communication device 110 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
- the processor and transceiver described in the present disclosure may be implemented in an integrated circuit (IC), an analog IC, a radio frequency integrated circuit RFIC, a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc.
- the processor and transceiver may also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
- CMOS complementary metal oxide semiconductor
- NMOS N-type metal oxide semiconductor
- PMOS P-type metal oxide semiconductor
- BJT bipolar junction transistor
- BiCMOS bipolar CMOS
- SiGe silicon germanium
- GaAs gallium arsenide
- the communication device described in the above embodiments may be a terminal device (such as the first terminal device or the second terminal device in the aforementioned method embodiment) or a network device (such as the network device in the aforementioned method embodiment), but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may not be limited by FIG. 11.
- the communication device may be an independent device or may be part of a larger device.
- the communication device may be:
- the IC set may also include a storage component for storing data and computer programs;
- ASIC such as modem
- the communication device can be a chip or a chip system
- the communication device can be a chip or a chip system
- the chip shown in Figure 12 includes a processor 1201 and an interface 1202.
- the number of processors 1201 can be one or more, and the number of interfaces 1202 can be multiple.
- the interface 1202 is used to implement one or more steps in FIG. 2 to FIG. 4 .
- the interface 1202 is used to implement one or more steps in FIG. 5 to FIG. 7 .
- Interface 1202 is used to implement one or more steps in FIG. 8 to FIG. 9 .
- the chip further includes a memory 1203, and the memory 1203 is used to store necessary computer programs and data.
- the embodiments of the present disclosure also provide a communication system, which includes the communication device as a terminal device in the embodiment of FIG. 10 (such as the first terminal device or the second terminal device in the embodiment of the method) and a communication device as a network device (such as the network device in the embodiment of the method), or the system includes the communication device as a terminal device in the embodiment of FIG. 11 (such as the first terminal device or the second terminal device in the embodiment of the method) and a communication device as a network device (such as the network device in the embodiment of the method).
- the present disclosure also provides a readable storage medium having instructions stored thereon, which implement the functions of any of the above method embodiments when executed by a computer.
- the present disclosure also provides a computer program product, which implements the functions of any of the above method embodiments when executed by a computer.
- the computer program product includes one or more computer programs.
- the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer program can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer program can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
- the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
- the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
- a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
- an optical medium e.g., a high-density digital video disc (DVD)
- DVD high-density digital video disc
- SSD solid state disk
- At least one in the present disclosure may also be described as one or more, and a plurality may be two, three, four or more, which is not limited in the present disclosure.
- the technical features in the technical feature are distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc., and there is no order of precedence or size between the technical features described by the "first”, “second”, “third”, “A”, “B”, “C” and “D”.
- the corresponding relationships shown in the tables in the present disclosure can be configured or predefined.
- the values of the information in each table are only examples and can be configured as other values, which are not limited by the present disclosure.
- the corresponding relationships shown in some rows may not be configured.
- appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
- the names of the parameters shown in the titles of the above tables can also use other names that can be understood by the communication device, and the values or representations of the parameters can also be other values or representations that can be understood by the communication device.
- other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables.
- the predefined in the present disclosure may be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.
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Abstract
Description
Claims (38)
- 一种基于侧行链路的定位参考信号PRS资源确定方法,其特征在于,被第一终端设备执行,所述方法包括:发起侧行链路SL定位;向第二终端设备发送指示信息,其中,所述指示信息用于指示所述第二终端设备确定发送侧行链路SL的定位参考信号SL PRS的资源;和/或向网络设备发送指示信息,其中,所述指示信息用于指示所述网络设备确定发送侧行链路SL的定位参考信号SL PRS的资源。
- 如权利要求1所述的方法,其特征在于,所述指示信息包括以下至少一项:侧行链路定位服务的服务质量LCS QoS信息;侧行链路的定位参考信号SL PRS配置信息。
- 如权利要求2所述的方法,其特征在于,所述侧行链路SL定位服务的服务质量LCS QoS信息包括以下至少一项:LCS QoS级别;LCS QoS的精度;LCS QoS的响应时间;LCS QoS的距离范围参数;请求高程坐标;请求速度;请求距离;请求角度;请求相对位置;请求绝对位置;请求天顶角角度。
- 如权利要求2所述的方法,其特征在于,所述侧行链路的定位参考信号SL PRS配置信息包括以下至少一项:SL PRS的带宽;SL PRS的梳的大小;SL PRS的正交频分复用OFDM符号数;SL PRS的子载波间隔;SL PRS的载波频率;SL PRS的时频资源位置;跳频指示,其中,所述跳频指示用于指示是否跳频。
- 如权利要求1所述的方法,其特征在于,所述第二终端设备为进行所述侧行链路SL定位的终端设备。
- 如权利要求1-5任一项所述的方法,其特征在于,所述向第二终端设备发送指示信息,包括:向所述第二终端设备发送第一信令,所述第一信令包括:所述指示信息;其中,所述第一信令包括以下至少一项:侧行链路定位协议SLPP信令;测距和侧行链路定位协议RSPP信令。
- 如权利要求6所述的方法,其特征在于,其中,所述侧行链路定位协议SLPP信令包括:第一辅助信息提供消息,所述第一辅助信息提供消息包括:所述指示信息;和/或所述测距和侧行链路定位协议RSPP信令包括:第二辅助信息提供消息,所述第二辅助信息提供消息包括:所述指示信息。
- 如权利要求1-5任一项所述的方法,其特征在于,所述向网络设备发送指示信息,包括:向所述网络设备发送第二信令,所述第二信令包括:所述指示信息;其中,如果所述网络设备为基站,则所述第二信令至少包括:无线资源控制RRC消息。
- 如权利要求1-5任一项所述的方法,其特征在于,所述向网络设备发送指示信息,包括:向所述网络设备发送第二信令,所述第二信令包括:所述指示信息;其中,如果所述网络设备为位置管理功能LMF,则所述第二信令包括以下至少一项:侧行链路定位协议SLPP信令;测距和侧行链路定位协议RSPP信令;长期演进LTE定位协议LPP信令。
- 如权利要求9所述的方法,其特征在于,其中,所述侧行链路定位协议SLPP信令包括:第三辅助信息提供消息,所述第三辅助信息提供消息包括:所述指示信息;和/或所述测距和侧行链路定位协议RSPP信令包括:第四辅助信息提供消息,所述第四辅助信息提供消息包括:所述指示信息;和/或所述长期演进LTE定位协议LPP信令包括:第五辅助信息提供消息,所述第五辅助信息提供消息包括:所述指示信息。
- 如权利要求1-10任一项所述的方法,其特征在于,所述第一终端设备处于覆盖范围外态,所述第二终端设备处于覆盖范围外态或覆盖范围内态。
- 一种基于侧行链路的定位参考信号PRS资源确定方法,其特征在于,被第二终端设备执行,所述方法包括:接收第一终端设备发送的指示信息,其中,所述指示信息用于指示所述第二终端设备确定发送侧行链路SL的定位参考信号SL PRS的资源,所述侧行链路SL的定位由所述第一终端设备发起;根据所述指示信息,确定所述发送侧行链路SL的定位参考信号SL PRS的资源。
- 如权利要求12所述的方法,其特征在于,所述指示信息包括以下至少一项:侧行链路SL定位服务的服务质量LCS QoS信息;侧行链路的定位参考信号SL PRS配置信息。
- 如权利要求13所述的方法,其特征在于,所述侧行链路SL定位服务的服务质量LCS QoS信息包括以下至少一项:LCS QoS级别;LCS QoS的精度;LCS QoS的响应时间;LCS QoS的距离范围参数;请求高程坐标;请求速度;请求距离;请求角度;请求相对位置;请求绝对位置;请求天顶角角度。
- 如权利要求13所述的方法,其特征在于,所述侧行链路的定位参考信号SL PRS配置信息包括以下至少一项:SL PRS的带宽;SL PRS的梳的大小;SL PRS的正交频分复用OFDM符号数;SL PRS的子载波间隔;SL PRS的载波频率;SL PRS的时频资源位置;跳频指示,其中,所述跳频指示用于指示是否跳频。
- 如权利要求12所述的方法,其特征在于,所述第二终端设备为进行所述侧行链路SL定位的终端设备。
- 如权利要求12-16任一项所述的方法,其特征在于,所述接收第一终端设备发送的指示信息,包括:接收所述第一终端设备发送的第一信令,所述第一信令包括:所述指示信息;其中,所述第一信令包括以下至少一项:侧行链路定位协议SLPP信令;测距和侧行链路定位协议RSPP信令。
- 如权利要求17所述的方法,其特征在于,其中,所述侧行链路定位协议SLPP信令包括:第一辅助信息提供消息,所述第一辅助信息提供消息包括:所述指示信息; 和/或所述测距和侧行链路定位协议RSPP信令包括:第二辅助信息提供消息,所述第二辅助信息提供消息包括:所述指示信息。
- 如权利要求12-18任一项所述的方法,其特征在于,所述根据所述指示信息,确定所述发送侧行链路SL的定位参考信号SL PRS的资源,包括:响应于所述第二终端设备为第一资源分配模式,向所述网络设备发送所述指示信息;获取所述网络设备基于所述指示信息配置的所述发送侧行链路SL的定位参考信号SL PRS的资源。
- 如权利要求19所述的方法,其特征在于,所述向所述网络设备发送所述指示信息,包括:向所述网络设备发送第三信令,所述第三信令包括:所述指示信息;其中,所述第三信令包括以下至少一项:SidelinkUEInformationNR信令;侧行链路定位协议SLPP信令;测距和侧行链路定位协议RSPP信令;长期演进LTE定位协议LPP信令。
- 如权利要求12-18任一项所述的方法,其特征在于,所述根据所述指示信息,确定所述发送侧行链路SL的定位参考信号SL PRS的资源,包括:响应于所述第二终端设备为第二资源分配模式,根据所述指示信息选择所述发送侧行链路SL的定位参考信号SL PRS的资源。
- 如权利要求12-21任一项所述的方法,其特征在于,所述第一终端设备处于覆盖范围外态,所述第二终端设备处于覆盖范围外态或覆盖范围内态。
- 一种基于侧行链路的定位参考信号PRS资源确定方法,其特征在于,被网络设备执行,所述方法包括:接收第一终端设备发送的指示信息,其中,所述指示信息,用于指示所述网络设备确定发送侧行链路SL的定位参考信号SL PRS的资源,所述侧行链路SL的定位由所述第一终端设备发起;根据所述指示信息,确定所述发送侧行链路SL的定位参考信号SL PRS的资源。
- 如权利要求23所述的方法,其特征在于,所述指示信息包括以下至少一项:侧行链路SL定位服务的服务质量LCS QoS信息;侧行链路的定位参考信号SL PRS配置信息。
- 如权利要求24所述的方法,其特征在于,所述侧行链路SL定位服务的服务质量LCS QoS信息包括以下至少一项:LCS QoS级别;LCS QoS的精度;LCS QoS的响应时间;LCS QoS的距离范围参数;请求高程坐标;请求速度;请求距离;请求角度;请求相对位置;请求绝对位置;请求天顶角角度。
- 如权利要求24所述的方法,其特征在于,所述侧行链路的定位参考信号SL PRS配置信息包括以下至少一项:SL PRS的带宽;SL PRS的梳的大小;SL PRS的正交频分复用OFDM符号数;SL PRS的子载波间隔;SL PRS的载波频率;SL PRS的时频资源位置;跳频指示,其中,所述跳频指示用于指示是否跳频。
- 如权利要求23-26任一项所述的方法,其特征在于,所述接收第一终端设备发送的指示信息,包括:接收所述第一终端设备发送的第二信令,所述第二信令包括:所述指示信息;其中,如果所述网络设备为基站,则所述第二信令至少包括:无线资源控制RRC消息。
- 如权利要求23-26任一项所述的方法,其特征在于,所述接收第一终端设备发送的指示信息,包括:接收所述第一终端设备发送的第二信令,所述第二信令包括:所述指示信息;其中,如果所述网络设备为位置管理功能LMF,则所述第二信令包括以下至少一项:侧行链路定位协议SLPP信令;测距和侧行链路定位协议RSPP信令;长期演进LTE定位协议LPP信令。
- 如权利要求28所述的方法,其特征在于,其中,所述侧行链路定位协议SLPP信令包括:第三辅助信息提供消息,所述第三辅助信息提供消息包括:所述指示信息;和/或所述测距和侧行链路定位协议RSPP信令包括:第四辅助信息提供消息,所述第四辅助信息提供消息包括:所述指示信息;和/或所述长期演进LTE定位协议LPP信令包括:第五辅助信息提供消息,所述第五辅助信息提供消息包括:所述指示信息。
- 如权利要求23-26任一项所述的方法,其特征在于,所述方法还包括:接收第二终端设备发送的指示信息;根据所述指示信息,为所述第二终端设备配置发送侧行链路SL的定位参考信号SL PRS的资源,其中,所配置的发送侧行链路SL的定位参考信号SL PRS的资源用于所述第二终端设备发送所述侧行链路的定位参考信号SL PRS。
- 如权利要求30所述的方法,其特征在于,所述接收第二终端设备发送的指示信息,包括:接收所述第二终端设备发送的第三信令,所述第三信令包括:所述指示信息;其中,所述第三信令包括以下至少一项:SidelinkUEInformationNR信令;侧行链路定位协议SLPP信令;测距和侧行链路定位协议RSPP信令;长期演进LTE定位协议LPP信令。
- 如权利要求30所述的方法,其特征在于,所述第二终端设备为进行所述侧行链路SL定位的终端设备。
- 如权利要求30-32任一项所述的方法,其特征在于,所述第一终端设备处于覆盖范围外态,所述第二终端设备处于覆盖范围外态或覆盖范围内态。
- 一种通信装置,其特征在于,所述装置包括:处理模块,用于发起侧行链路SL定位;收发模块,用于向第二终端设备发送指示信息,其中,所述指示信息用于指示所述第二终端设备确定发送侧行链路SL的定位参考信号SL PRS的资源;和/或向网络设备发送指示信息,其中,所述指示信息用于指示所述网络设备确定发送侧行链路SL的定位参考信号SL PRS的资源。
- 一种通信装置,其特征在于,所述装置包括:收发模块,用于接收第一终端设备发送的指示信息,其中,所述指示信息用于指示所述第二终端设备确定发送侧行链路SL的定位参考信号SL PRS的资源,所述侧行链路SL的定位由所述第一终端设备发起;处理模块,用于根据所述指示信息,确定所述发送侧行链路SL的定位参考信号SL PRS的资源。
- 一种通信装置,其特征在于,所述装置包括:收发模块,用于接收第一终端设备发送的指示信息,其中,所述指示信息,用于指示所述网络设备确定发送侧行链路SL的定位参考信号SL PRS的资源,所述侧行链路SL的定位由所述第一终端设备发起;处理模块,用于根据所述指示信息,确定所述发送侧行链路SL的定位参考信号SL PRS的资源。
- 一种通信系统,其特征在于,所述通信系统包括第一终端设备、第二终端设备,以及网络设备,其中,所述第一终端设备执行如权利要求1-11中任一项所述的方法,所述第二终端设备执行如权利要求12-22中任一项所述的方法,所述网络设备执行如权利要求23-33中任一项所述的方法。
- 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求1-33中任一项所述的方法被实现。
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| EP22964899.3A EP4618653A4 (en) | 2022-11-11 | 2022-11-11 | METHOD AND APPARATUS FOR DETERMINING POSITIONING REFERENCE SIGNAL RESOURCES (PRS) BASED ON A LATERAL LINK |
| PCT/CN2022/131563 WO2024098431A1 (zh) | 2022-11-11 | 2022-11-11 | 基于侧行链路的定位参考信号prs资源确定方法和装置 |
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| WO2024234388A1 (zh) * | 2023-05-18 | 2024-11-21 | 北京小米移动软件有限公司 | 资源确定方法、装置、通信设备、通信系统和存储介质 |
| CN116546619A (zh) * | 2023-05-19 | 2023-08-04 | 中国信息通信研究院 | 一种边链路信令定位方法和设备 |
| CN119276442A (zh) * | 2023-07-04 | 2025-01-07 | 华为技术有限公司 | 通信方法和通信装置 |
| WO2025015442A1 (zh) * | 2023-07-14 | 2025-01-23 | Oppo广东移动通信有限公司 | 用于无线通信的方法和通信设备 |
| CN120935827A (zh) * | 2023-08-10 | 2025-11-11 | Oppo广东移动通信有限公司 | 资源选择方法和终端设备 |
| CN119483850A (zh) * | 2023-08-10 | 2025-02-18 | 夏普株式会社 | 由用户设备执行的方法以及用户设备 |
| WO2025031232A1 (zh) * | 2023-08-10 | 2025-02-13 | 华为技术有限公司 | 一种通信方法及装置 |
| CN117546553A (zh) * | 2023-09-05 | 2024-02-09 | 北京小米移动软件有限公司 | 终端定位方法及装置、存储介质 |
| CN117441351A (zh) * | 2023-09-08 | 2024-01-23 | 北京小米移动软件有限公司 | 消息收发方法、装置、通信设备和存储介质 |
| WO2025065430A1 (zh) * | 2023-09-27 | 2025-04-03 | 北京小米移动软件有限公司 | 资源分配方法、装置、设备及存储介质 |
| CN117546555A (zh) * | 2023-09-27 | 2024-02-09 | 北京小米移动软件有限公司 | 信息传输方法、设备和存储介质 |
| CN117581621A (zh) * | 2023-09-27 | 2024-02-20 | 北京小米移动软件有限公司 | 资源分配方法、设备和存储介质 |
| CN119729865A (zh) * | 2023-09-28 | 2025-03-28 | 华为技术有限公司 | 指示方法以及相关装置 |
| CN119946880A (zh) * | 2023-11-03 | 2025-05-06 | 华为技术有限公司 | 一种通信方法及装置 |
| CN120034947A (zh) * | 2023-11-23 | 2025-05-23 | 上海华为技术有限公司 | 一种通信方法及装置 |
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