WO2023217300A1 - 定位配置信息请求方法、装置、目标终端及网络侧设备 - Google Patents
定位配置信息请求方法、装置、目标终端及网络侧设备 Download PDFInfo
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- WO2023217300A1 WO2023217300A1 PCT/CN2023/099913 CN2023099913W WO2023217300A1 WO 2023217300 A1 WO2023217300 A1 WO 2023217300A1 CN 2023099913 W CN2023099913 W CN 2023099913W WO 2023217300 A1 WO2023217300 A1 WO 2023217300A1
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- prs
- request
- terminal
- configuration information
- target terminal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- the present application belongs to the field of communication technology, and specifically relates to a positioning configuration information requesting method, device, target terminal and network side equipment.
- the fifth generation mobile communication technology (5th Generation Mobile Communication Technology, 5G) R18 has planned to study the problem of side link (SL) positioning to meet the needs of vehicle to everything (V2X), public safety (Public Safety), etc. Scene positioning requirements.
- Sidelink positioning involves positioning capability interaction, Positioning Reference Signal (PRS) configuration interaction, auxiliary information interaction, PRS measurement, measurement result reporting, positioning result calculation and other steps.
- PRS configuration usually has a great impact on Sidelink positioning accuracy. Influence.
- Embodiments of the present application provide a positioning configuration information requesting method, device, target terminal and network side equipment, which can solve the current problem of low positioning accuracy of Sidelink.
- a method for requesting positioning configuration information includes:
- the target terminal sends a first request to the first network side device; the first request is used to request the
- the first network side device configures the first positioning reference signal PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or the first PRS transmission resource are used for sidelink Sidelink positioning;
- the target terminal receives a first response from the first network side device; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- a method for requesting positioning configuration information includes:
- the first network side device receives a first request from the target terminal; the first request is used to request the first network side device to configure first PRS configuration information and/or first PRS transmission resources; the first PRS configuration Information and/or the first PRS sends resources for Sidelink positioning;
- the first network side device sends a first response to the target terminal based on the first request; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- a method for requesting positioning configuration information includes:
- the second network side device receives a second request from the first network side device; the second request includes a request for the second network side device to configure second PRS configuration information and/or second PRS transmission resources;
- the second PRS configuration information and/or the second PRS transmission resource are used for Sidelink positioning;
- the second network side device sends a second response to the first network side device based on the second request; the second response includes the second PRS configuration information and/or the second PRS transmission resource.
- a device for requesting positioning configuration information which device includes:
- the first sending module is configured to send a first request to the first network side device; the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS sending resource; the The first PRS configuration information and/or the first PRS transmission resource are used for Sidelink positioning;
- a first receiving module configured to receive a first response from the first network side device; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- a device for requesting positioning configuration information which device includes:
- the second receiving module is configured to receive a first request from the target terminal; the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS transmission resource; the The first PRS configuration information and/or the first PRS transmission resource are used for Sidelink positioning;
- the second sending module is configured to send a first response to the target terminal based on the first request; the first response includes the first PRS configuration information and/or the first PRS sending resource.
- a device for requesting positioning configuration information which device includes:
- the third receiving module is configured to receive a second request from the first network side device; the second request includes requesting the second network side device to configure the second PRS configuration information and/or the second PRS transmission resource;
- the second PRS configuration information and/or the second PRS transmission resource are used for Sidelink positioning;
- a third sending module configured to send a second response to the first network side device based on the second request; the second response includes the second PRS configuration information and/or the second PRS transmission resource.
- a target terminal in a seventh aspect, includes a processor and a memory.
- the memory stores programs or instructions that can be run on the processor.
- the program or instructions are implemented when executed by the processor. The steps of the method as described in the first aspect.
- a target terminal including a processor and a communication interface; wherein the communication interface is used to send a first request to a first network side device; the first request is used to request the first network
- the side device configures the first positioning reference signal PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or the first PRS transmission resource are used for Sidelink positioning; the communication interface is also used for Receive a first response from the first network side device; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- a first network side device in a ninth aspect, includes a processor and a memory.
- the memory stores programs or instructions that can be run on the processor.
- the program or instructions are processed by the processor.
- the processor When the processor is executed, the steps of the method described in the second aspect are implemented.
- a first network side device including a processor and a communication interface; wherein the communication interface is used to receive a first request from a target terminal; the first request is used to request the first The network side device configures the first PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or the first PRS transmission resource is used for Sidelink positioning; the communication interface is also used to based on the first request, send a first response to the target terminal; in the first response Including the first PRS configuration information and/or the first PRS transmission resource.
- a second network side device in an eleventh aspect, includes a processor and a memory.
- the memory stores programs or instructions that can be run on the processor.
- the program or instructions are configured by the processor.
- the processor when executed, implements the steps of the method as described in the third aspect.
- a second network side device including a processor and a communication interface; wherein the communication interface is used to receive a second request from the first network side device; the second request includes To request the second network side device to configure second PRS configuration information and/or second PRS transmission resources; the second PRS configuration information and/or second PRS transmission resources are used for Sidelink positioning; the communication interface also uses Based on the second request, send a second response to the first network side device; the second response includes the second PRS configuration information and/or the second PRS transmission resource.
- a positioning configuration information requesting system including: a target terminal, a first network side device, and a second network side device.
- the target terminal can be used to perform the steps of the method described in the first aspect
- the first network side device may be configured to perform the steps of the method described in the second aspect
- the second network side device may be configured to perform the steps of the method described in the third aspect.
- a readable storage medium is provided.
- Programs or instructions are stored on the readable storage medium.
- the steps of the method described in the first aspect are implemented, or the steps of the method are implemented.
- a chip in a fifteenth aspect, includes a processor and a communication interface.
- the communication interface is coupled to the processor.
- the processor is used to run programs or instructions to implement the method described in the first aspect. method, or implement the method as described in the second aspect, or implement the method as described in the third aspect.
- a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement as described in the first aspect
- the received first PRS configuration information and/or the first PRS transmission resource requested by the target terminal are used by the target terminal for Sidelink positioning, the received first PRS configuration information and/or first The PRS transmission resources meet the positioning requirements of the target terminal.
- the target terminal performs positioning based on the first PRS configuration information and/or the first PRS transmission resources that meet the positioning requirements of the target terminal, which can effectively improve the positioning accuracy of the target terminal Sidelink.
- Figure 1 is a schematic diagram of a wireless communication system applicable to the embodiment of the present application.
- Figure 2 is one of the flow diagrams of the positioning configuration information request method provided by the embodiment of the present application.
- FIG. 3 is the second schematic flowchart of the positioning configuration information request method provided by the embodiment of the present application.
- Figure 4 is the third schematic flowchart of the positioning configuration information request method provided by the embodiment of the present application.
- Figure 5 is one of the signaling interaction diagrams of the positioning configuration information request method provided by the embodiment of the present application.
- Figure 6 is the second signaling interaction diagram of the positioning configuration information request method provided by the embodiment of the present application.
- Figure 7 is the third signaling interaction diagram of the positioning configuration information request method provided by the embodiment of the present application.
- Figure 8 is one of the structural schematic diagrams of the positioning configuration information requesting device provided by the embodiment of the present application.
- Figure 9 is the second structural schematic diagram of the positioning configuration information requesting device provided by the embodiment of the present application.
- Figure 10 is the third structural schematic diagram of the positioning configuration information requesting device provided by the embodiment of the present application.
- Figure 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- Figure 12 is a schematic structural diagram of a target terminal provided by an embodiment of the present application.
- Figure 13 is a schematic structural diagram of a first network side device provided by an embodiment of the present application.
- Figure 14 is a schematic structural diagram of a second network side device provided by an embodiment of the present application.
- first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
- the first object can be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced, LTE-A Long Term Evolution
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency Division Multiple Access
- system and “network” in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the following description, but these techniques can also be applied to communication systems other than NR system applications, such as 6th generation Generation, 6G) communication system.
- 6G 6th generation Generation
- FIG. 1 is a schematic diagram of a wireless communication system applicable to the embodiment of the present application.
- the wireless communication system shown in Figure 1 includes a terminal 11 and a network side device 12.
- the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer.
- Tablet Personal Computer Tablet Personal Computer
- laptop computer laptop computer
- PDA Personal Digital Assistant
- PDA Personal Digital Assistant
- UMPC ultra-mobile personal computer
- UMPC mobile Internet device
- MID mobile Internet Device
- AR augmented reality
- VR virtual reality
- robots wearable devices
- VUE vehicle-mounted equipment
- PUE pedestrian terminal
- smart home home equipment with wireless communication functions equipment, such as refrigerators, TVs, washing machines or furniture, etc.
- PCs personal computers
- Wearable devices include: smart watches, smart bracelets, smart headphones, Smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11.
- the network side equipment 12 may include access network equipment or core network equipment, where the access network equipment may also be called wireless access network equipment, radio access network (Radio Access Network, RAN), radio access network function or wireless access network unit.
- Access network equipment can include base stations, WLAN access points or WiFi nodes, etc.
- the base station can be called Node B, Evolved Node B (eNB), access point, Base Transceiver Station (BTS), radio base station , radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home B-Node, Home Evolved B-Node, Transmitting Receiving Point (TRP) or the above
- eNB Evolved Node B
- BTS Base Transceiver Station
- BSS Basic Service Set
- ESS Extended Service Set
- TRP Transmitting Receiving Point
- FIG. 2 is one of the flow diagrams of the positioning configuration information request method provided by the embodiment of the present application. As shown in Figure 2, the method includes step 201 and step 202; wherein:
- Step 201 The target terminal sends a first request to the first network side device; the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or The first PRS sends resources for Sidelink positioning.
- the target terminal sends a first request to the first network side device, where the first request can be carried in a UEAssistanceInformation message or a SidelinkUEInformationNR message sent by the target terminal to the first network side device, and the first request is used to request the first network
- the side device configures the first PRS configuration information and/or the first PRS sending resource to the target terminal and/or the reference terminal, and the first The PRS configuration information and/or the first PRS transmission resource are used for Sidelink positioning.
- the target terminal may send the first request to the first network side device before it has a positioning need; it may also send the first request to the first network side device after it has a positioning need.
- Step 202 The target terminal receives a first response from the first network side device; the first response includes first PRS configuration information and/or first PRS transmission resources.
- the target terminal receives a first response from the first network side device, where the first request may be carried in a Radio Resource Control (Radio Resource Control, RRC) reconfiguration (Reconfiguration) message, and the first response includes the first
- RRC Radio Resource Control
- RRC Radio Resource Control
- the target terminal after receiving the first response from the first network side device, the target terminal will configure itself based on the first PRS configuration information and/or the first PRS transmission resource. After the configuration is completed, the target terminal sends a request to the third network side device. A network-side device sends an RRC Reconfig Complete message.
- the received first PRS configuration information and/or the first PRS transmission resource requested by the target terminal are used by the target terminal for Sidelink positioning, the received first PRS configuration
- the information and/or the first PRS transmission resources meet the positioning requirements of the target terminal.
- the target terminal performs positioning based on the first PRS configuration information and/or the first PRS transmission resources that meet the positioning requirements of the target terminal, which can effectively improve the sidelink of the target terminal. positioning accuracy.
- the first request may include at least one of the following:
- the positioning QoS list of the target terminal may correspond to one or more positioning QoS, and the positioning QoS may include at least one of the following: positioning accuracy; positioning delay requirement.
- the movement state of the target terminal may include at least one of the following: movement of the target terminal Speed; the direction of movement of the target terminal.
- the measurement results of the target terminal may include at least one of the following: reference signal received power (RSRP) measurement results of the serving cell and/or neighboring cells; RSRP measurement results of the reference terminal.
- RSRP reference signal received power
- the RSRP measurement results of the serving cell and/or neighboring cells can be the synchronization signal block reference signal received power (Synchronization Signal Block-Reference Signal Received Power, SSB-RSRP) of the base station.
- the measurement results of the base station are associated with the base station identification ID, and the base station The ID is, for example, a cell ID.
- the RSRP measurement result of the reference terminal can be the Sidelink-Reference Signal Received Power (SL-RSRP) or the Sidelink Discovery Reference Signal Received Power (SD-RSRP). ), the measurement result of the reference terminal is associated with the reference terminal ID, which is, for example, layer 2 ID.
- SL-RSRP Sidelink-Reference Signal Received Power
- SD-RSRP Sidelink Discovery Reference Signal Received Power
- the PRS configuration information of the reference terminal may include at least one of the following:
- the PRS type of the reference terminal may include at least one of the following: periodic PRS; semi-static PRS; aperiodic PRS.
- the PRS configuration information of the target terminal may include at least one of the following:
- the target terminal s PRS sending start time and duration
- the first PRS configuration information may include at least one of the following:
- the location information of the reference terminal may be the latitude and longitude information of the reference terminal.
- the identification of the reference terminal may be layer2 ID.
- the first PRS transmission resource may include at least one of the following:
- the PRS sends the initial frequency point information of the resource, for example, point A.
- the starting time of the PRS transmission resource is, for example, a starting symbol or a starting slot.
- the termination time of the PRS transmission resource is, for example, a termination symbol or a termination slot.
- the PRS sends the duration of the resource, such as a duration symbol or a duration slot.
- the first response may also include at least one of the following:
- the PRS transmission activation indication of the reference terminal is used to indicate whether the PRS transmission of the reference terminal needs to be activated
- the target terminal’s PRS transmission activation indication is used to indicate whether the target terminal’s PRS transmission needs to be activated
- the failure information includes at least one of the following:
- At least one parameter included in the first request cannot be satisfied
- At least one parameter included in the first request cannot be satisfied, and the allowed value range of the parameter that cannot be satisfied;
- the first network side device does not support the first request.
- the target terminal when the reference terminal's PRS transmission activation indication is used to indicate that the reference terminal's PRS transmission needs to be activated, the target terminal sends a first activation request to the first network side device; wherein the first activation request is used to request Activate PRS transmission of the reference terminal;
- the target terminal sends a second activation request to the first network side device; wherein, The second activation request is used to request activation of PRS transmission of the target terminal.
- the target terminal sends the first network side device to the first network side device.
- An activation request to request the first network side device to activate the PRS transmission of the reference terminal.
- the target terminal's PRS transmission activation indication is used to indicate that the target terminal's PRS transmission needs to be activated, that is, when the target terminal's PRS transmission needs to be activated
- the target terminal sends a second activation request to the first network side device. , to request the first network side device to activate PRS sending of the target terminal.
- the activation request may include a media access control element (Medium Access Control-Control Element, MAC CE) or uplink control information (Uplink Control Information, UCI).
- MAC CE Media Access Control-Control Element
- UCI Uplink Control Information
- whether the PRS transmission of the reference terminal needs to be activated can also be implicitly indicated by the PRS type of the reference terminal.
- the PRS type of the reference terminal is periodic PRS, it means that the reference terminal's PRS transmission does not need to be activated; when the PRS type of the reference terminal is semi-static PRS or aperiodic PRS, it means that the reference terminal's PRS transmission does not need to be activated.
- PRS sending needs to be activated.
- the target terminal sends a first activation request to the first network side device to request The first network side device activates PRS transmission of the reference terminal.
- whether the PRS transmission of the target terminal needs to be activated can also be implicitly indicated by the PRS type of the target terminal.
- the PRS type of the target terminal is periodic PRS, it means that the target terminal's PRS transmission does not need to be activated; when the PRS type of the target terminal is semi-static PRS or aperiodic PRS, it means that the target terminal's PRS transmission does not need to be activated.
- PRS sending needs to be activated.
- the target terminal When the PRS type of the target terminal is semi-static PRS or aperiodic PRS, which means that the PRS transmission of the target terminal needs to be activated, the target terminal sends a second activation request to the first network side device to request The first network side device activates PRS transmission of the target terminal.
- the target terminal receives a first indication from the first network side device; the first indication is used to instruct the first network side device to allow the target The target terminal sends the first request.
- the target terminal receives a first indication from the first network side device, where the first indication may be carried in a broadcast message or a dedicated message from the first network side device.
- the broadcast message is, for example, a System Information Block (System Information Block). , SIB)12 message
- the dedicated message is, for example, the RRCReconfiguration message
- the first indication is used to indicate that the target terminal can send the first request to the first network side device.
- the target terminal sends the first request to the first network side device before receiving the first instruction from the first network side device
- the first response received by the target terminal from the first network side device may include failure information corresponding to the first request, and the failure information may be: the first network side device does not support the first request.
- the first indication may include at least one of the following:
- the target terminal may be set to start a first timer after sending the first request, and the target terminal may be set not to allow the first request to be sent again before the first timer expires.
- a configuration list of reference terminals that can request configuration includes: the configuration identification of the reference terminal, and/or the PRS configuration information of the reference terminal;
- the PRS configuration information of the reference terminal may be explicitly indicated in the first indication, or may be specified in a protocol.
- the PRS configuration information of the target terminal may be explicitly stated in the first indication, or may be specified in a protocol.
- the target terminal After the target terminal receives the first response from the first network side device, the target terminal The terminal measures the PRS of the reference terminal based on the first response and obtains the first PRS measurement result; the target terminal calculates the positioning result of the target terminal based on the first PRS measurement result.
- the first PRS measurement result may include at least one of the following:
- the target terminal first measures the PRS of the reference terminal based on the first response to obtain the first PRS measurement result, and then directly calculates the positioning result of the target terminal based on the first PRS measurement result of the reference terminal.
- the target terminal receives a second PRS measurement result from the reference terminal;
- the second PRS measurement result is a measurement result obtained by the reference terminal measuring the PRS of the target terminal based on the first response;
- the target terminal calculates the positioning result of the target terminal based on the first PRS measurement result, including: the target terminal calculates the positioning result of the target terminal based on the first PRS measurement result and the second PRS measurement result; wherein the second PRS measurement result may include the following At least one:
- the target terminal measures the PRS of the reference terminal based on the first response, and obtains the first PRS measurement result; the target terminal also receives the second PRS measurement result from the reference terminal, and the second PRS measurement result is the reference terminal measuring the target based on the first response. Measurement results obtained by the terminal's PRS. The target terminal may then combine the first PRS measurement result of the reference terminal and the second PRS measurement result of the target terminal to calculate the positioning result of the target terminal.
- the target terminal combines the first PRS measurement result of the reference terminal and the target Compared with calculating the positioning result of the target terminal based only on the first PRS measurement result of the reference terminal, the positioning result of the target terminal is more accurate, that is, the positioning result of the target terminal is improved.
- the positioning accuracy of the target terminal Sidelink.
- FIG. 3 is a second schematic flowchart of the positioning configuration information request method provided by an embodiment of the present application. As shown in Figure 3, the method includes steps 301 to 303.
- Step 301 The first network side device receives a first request from the target terminal; the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or Or the first PRS sends resources for Sidelink positioning;
- the first network side device receives a first request from the target terminal, where the first request may be carried in a UEAssistanceInformation message or a SidelinkUEInformationNR message sent by the target terminal to the first network side device, and the first request is used to request the first
- the network side device configures the first PRS configuration information and/or the first PRS transmission resource to the target terminal and/or the reference terminal, and the first PRS configuration information and/or the first PRS transmission resource are used for Sidelink positioning.
- Step 302 The first network side device sends a first response to the target terminal based on the first request; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- the first network side device sends a first response to the target terminal, where the first request may be carried in an RRCReconfiguration message, the first response includes the first PRS configuration information and/or the first PRS transmission resource, and the first PRS The configuration information and/or the first PRS sending resource are used to configure the target terminal.
- the target terminal after receiving the first response from the first network side device, the target terminal will configure itself based on the first PRS configuration information and/or the first PRS transmission resource. After the target terminal configuration is completed, the first The network side device will receive the RRC Reconfig Complete message from the target terminal.
- the first request may include at least one of the following:
- the PRS configuration information of the reference terminal may include at least one of the following:
- the PRS type of the reference terminal may include at least one of the following: periodic PRS; semi-static PRS; aperiodic PRS.
- the PRS configuration information of the target terminal may include at least one of the following:
- the target terminal s PRS sending start time and duration
- the first PRS configuration information may include at least one of the following:
- the first PRS transmission resource may include at least one of the following:
- the first response also includes at least one of the following:
- the PRS transmission activation indication of the reference terminal is used to indicate whether the PRS transmission of the reference terminal needs to be activated
- the target terminal’s PRS transmission activation indication is used to indicate whether the target terminal’s PRS transmission needs to be activated
- the failure information may include at least one of the following:
- At least one parameter included in the first request cannot be satisfied
- At least one parameter included in the first request cannot be satisfied, and the allowed value range of the parameter that cannot be satisfied;
- the first network side device does not support the first request.
- the first network side device before the first network side device receives the first request from the target terminal, the first network side device sends a first indication to the target terminal; the first indication is used to instruct the first network side device to allow the target terminal to send the first ask.
- the first network side device sends a first indication to the target terminal, where the first indication may be carried in a broadcast message or a dedicated message sent by the first network side device.
- the broadcast message is, for example, a SIB12 message
- the dedicated message is, for example, RRCReconfiguration.
- the first indication is used to indicate that the target terminal can send the first request to the first network side device.
- the first indication may include at least one of the following:
- Configuration list of reference terminals that can request configuration;
- the configuration list of reference terminals includes: the configuration identification of the reference terminal, and/or the PRS configuration information of the reference terminal;
- Configuration list of target terminals that can request configuration includes: the configuration identification of the target terminal, and/or the PRS configuration information of the target terminal.
- the first network side device determines the first PRS configuration information and/or the first PRS transmission resource based on the first request, the first network side device sends the first configuration to the reference terminal; the first configuration includes the A PRS configuration information and/or a first PRS transmission resource.
- the first network side device after determining the first PRS configuration information and/or the first PRS transmission resource, the first network side device sends the first configuration to the reference terminal, where the first configuration includes the first PRS configuration information and/or the first PRS Send resources to be used by the reference terminal based on the first PRS configuration information and/or the first PRS sends resources to configure itself.
- the reference terminal after receiving the first configuration from the first network side device, the reference terminal will configure itself based on the first PRS configuration information and/or the first PRS transmission resources in the first configuration. After the configuration is completed, , the reference terminal sends an RRC Reconfig Complete message to the first network side device.
- the first network side device determines the first PRS configuration information and/or the first PRS transmission resource based on the first request, if the serving cells of the reference terminal and the target terminal are different, the first network side device Send a second request to the second network side device connected to the reference terminal; the second request includes requesting the second network side device to configure second PRS configuration information and/or second PRS transmission resources; the second PRS configuration information and/or the second PRS sends resources for Sidelink positioning;
- the first network side device receives a second response from the second network side device; the second response includes second PRS configuration information and/or second PRS transmission resources.
- the first network side device communicates with the second network side to which the reference terminal is accessed.
- the device sends a second request to request the second network side device to configure the second PRS configuration information and/or the second PRS sending resource for Sidelink positioning, and the first network side device receives the second response from the second network side device,
- the second response including the second PRS configuration information and/or the second PRS transmission resource may be carried in the first response and sent to the target terminal, and then the target terminal performs the processing based on the second PRS configuration information and/or the second PRS transmission resource. configuration.
- the second request may include at least one of the following:
- the second PRS configuration information may include at least one of the following:
- the failure information may include at least one of the following:
- the second network side device does not support the second request.
- the second PRS transmission resource may include at least one of the following:
- the target terminal is based on satisfying the target terminal.
- the first PRS configuration information and/or the first PRS transmission resource required for positioning of the terminal for positioning can effectively improve the positioning accuracy of the target terminal Sidelink.
- FIG. 4 is a third schematic flowchart of the positioning configuration information request method provided by the embodiment of the present application. As shown in Figure 4, the method includes steps 401 to 403.
- Step 401 The second network side device receives a second request from the first network side device; the second request includes a request for the second network side device to configure the second PRS configuration information and/or the second PRS transmission resource; second PRS configuration information and/or second PRS transmission resources are used for Sidelink positioning;
- Step 402 The second network side device sends a second response to the first network side device based on the second request; the second response includes second PRS configuration information and/or second PRS transmission resources.
- the second network side device receives a second request from the first network side device to request the second network side device to configure the second PRS configuration information and/or the second PRS transmission resource to the reference terminal, and then the second network side device The side device sends a second response to the first network side device, where the second response includes second PRS configuration information and/or second PRS transmission resources configured with reference to the terminal.
- the second request may include at least one of the following:
- the second PRS configuration information may include at least one of the following:
- the failure information may include at least one of the following:
- the second network side device does not support the second request.
- the second PRS transmission resource may include at least one of the following:
- the PRS configuration information of the reference terminal may include at least one of the following:
- the PRS configuration information of the target terminal includes at least one of the following:
- the target terminal s PRS sending start time and duration
- the first network side device when the serving cell of the reference terminal and the serving cell of the target terminal are not the same cell, the first network side device sends a message to the second network side device connected to the reference terminal.
- the second request is to request the second network side device to configure the second PRS configuration information and/or the second PRS transmission resource for Sidelink positioning, so that the target terminal and/or the reference terminal can obtain the PRS configuration that meets the Sidelink positioning accuracy requirements of the target terminal. and Sidelink resources, which can effectively improve the positioning accuracy of the target terminal Sidelink.
- the following describes the interaction process of the positioning configuration information request method provided by the embodiment of the present application in the form of signaling interaction.
- Figure 5 is one of the signaling interaction diagrams of the positioning configuration information request method provided by the embodiment of the present application. As shown in Figure 5, the method includes steps 501 to 503.
- Step 501 The target terminal sends a first request to the first network side device.
- the first network side device receives the first request from the target terminal.
- the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or the first PRS transmission resource are used for Sidelink position.
- Step 502 The first network side device sends a first response to the target terminal based on the first request.
- the target terminal receives the first response from the first network side device.
- the first response includes first PRS configuration information and/or first PRS transmission resources.
- the following takes the first network side device as the first base station, the reference terminal and the target terminal having the same serving cell, and the serving cells are both the first base station device as an example to describe the interaction process of the positioning configuration information request method provided by the embodiment of the present application. .
- Figure 6 is the second signaling interaction diagram of the positioning configuration information request method provided by the embodiment of the present application. As shown in Figure 6, the method includes steps 601 to 608.
- Step 601 The target terminal receives the Sidelink positioning request configuration from the first base station.
- the target terminal may receive a first indication from the first base station through a broadcast message (such as a SIB12 message) or a dedicated message (such as an RRCReconfiguration message).
- the first indication is a Sidelink positioning request configuration, which is used to indicate that the target terminal is allowed to send a request to the first base station.
- the base station sends the first request.
- the Sidelink positioning request configuration can include at least one of the following:
- the target terminal can be set to start the first timer after sending a Sidelink positioning configuration request to the first base station, and the target terminal is not allowed to send a Sidelink positioning configuration request before the first timer times out.
- the PRS type is such as periodic PRS, semi-static PRS, or aperiodic PRS.
- each configuration list may include:
- the terminal configuration may include the above-mentioned PRS transmission frequency point, PRS type, PRS transmission cycle, number of symbols within the PRS transmission cycle, symbol spacing within the PRS transmission cycle, PRS transmission bandwidth, and number of repetitions within the PRS transmission bandwidth.
- the above terminal configuration can be explicitly stated in the Sidelink positioning request configuration, or can be specified through the protocol.
- Step 602 The target terminal sends a Sidelink positioning configuration request to the first base station.
- the target terminal sends a first request to the first base station.
- the first request Sidelink positioning configuration request (positioning assistance information) can be understood as a target terminal and reference terminal configuration request, and is used to request the first base station to configure the target terminal and reference terminal. Terminal to configure.
- the Sidelink positioning configuration request can be carried in the UEAssistanceInformation message or the SidelinkUEInformationNR message.
- the Sidelink positioning configuration request can include one or more of the following:
- the positioning QoS list of the target terminal can correspond to one or more positioning QoS, and the positioning QoS includes positioning accuracy and positioning delay requirements.
- the movement status of the target terminal may include speed and direction.
- the measurement results of the target terminal may include RSRP measurement results of the serving cell and neighboring cells and/or RSRP measurement results of the reference terminal, where the reference terminal is associated with the layer2 ID.
- the PRS type is, for example, periodic PRS, semi- Static PRS and aperiodic PRS.
- Reference terminal/target terminal s PRS transmission cycle request
- Reference terminal/target terminal s symbol spacing request within the PRS transmission cycle
- Reference terminal/target terminal s PRS sending cycle number request
- Reference terminal/target terminal s PRS sending start time and duration request
- step 602-0 may be included:
- Step 602-0 The target terminal needs to perform Sidelink positioning.
- the target terminal can send a Sidelink positioning configuration request to the first base station after determining that Sidelink positioning is required.
- Step 603 The first base station selects a reference terminal based on the Sidelink positioning configuration request, and determines the PRS configuration and associated Sidelink resources of the target terminal and the reference terminal.
- the first base station selects the reference terminal based on the Sidelink positioning configuration request, determines the PRS configuration of the target terminal and the reference terminal as the first PRS configuration information, and determines the Sidelink resource associated with the target terminal and the reference terminal as the first PRS transmission resource.
- Step 604-1 The first base station sends the Sidelink positioning configuration to the selected reference terminal.
- the first base station sends the first configuration to the selected reference terminal, and the first configuration is the Sidelink positioning configuration.
- Sidelink positioning configuration can include one or more of the following:
- Step 604-2 The reference terminal sends an RRC Reconfig Complete message to the first base station.
- Step 605-1 The first base station sends a Sidelink positioning configuration request response to the target terminal.
- the first base station sends a first response to the target terminal, and the first response is a Sidelink positioning configuration request response.
- the Sidelink positioning configuration request response can be sent through the RRCReconfiguration message, and the Sidelink positioning configuration request response can include one or more of the following:
- the location information is, for example, longitude and latitude information.
- the identification of the reference terminal is, for example, layer2 ID.
- the PRS type of the reference terminal/target terminal is, for example, periodic PRS, semi-static PRS and aperiodic PRS.
- PRS transmission activation indication of the reference terminal/target terminal that is, whether the PRS transmission of the configured reference terminal/target terminal needs to be activated by request.
- PRS transmission of the reference terminal/target terminal needs to be activated can be implicitly represented by the PRS type. For example, periodic PRS indicates that PRS transmission does not need to be activated, semi-static PRS and aperiodic PRS indicate that PRS transmission needs to be activated.
- Step 605-2 The target terminal sends an RRC Reconfig Complete message to the first base station.
- Step 606-1 The target terminal measures the PRS of the reference terminal.
- the target terminal measures the PRS of the reference terminal according to the received first PRS configuration information and/or the first PRS transmission resource.
- Step 606-2 Measure the PRS of the target terminal with the reference terminal.
- the reference terminal measures the PRS of the target terminal according to the received first PRS configuration information and/or the first PRS transmission resource.
- step 606-2 is an optional step and is represented by a dotted box in the figure.
- step 606-2 If you choose to perform step 606-2, you need to perform the following step 607;
- step 606-2 that is, if only step 606-1 is performed, step 607 does not need to be performed.
- the target terminal may send a measurement request to the reference terminal.
- the measurement request may include the PRS configuration information of the target terminal to request the reference terminal to measure the PRS of the target terminal.
- Step 607 When the reference terminal measures the PRS of the target terminal, the reference terminal sends the PRS measurement result to the target terminal.
- the reference terminal after measuring the PRS of the target terminal according to the received first PRS configuration information and/or the first PRS transmission resource, the reference terminal needs to feed back the PRS measurement result to the target terminal.
- the PRS measurement results may include one or more of the following, but are not limited to:
- step 607 is an optional step, it is represented by a dotted arrow in the figure.
- Step 608 The target terminal calculates its own positioning result based on the PRS measurement result.
- the target terminal can calculate its own positioning result based only on the PRS measurement results corresponding to the PRS of the reference terminal measured by the target terminal; it can also be combined with the PRS measurement results corresponding to the PRS of the reference terminal measured by the target terminal, and the target measured by the reference terminal.
- the PRS measurement result corresponding to the terminal's PRS is used to calculate its own positioning result.
- the first network side device is the first base station
- the second network side device is the second base station
- the serving cells of the reference terminal and the target terminal are different
- the serving cell of the target terminal is the first base station
- the serving cell of the reference terminal is The second base station is taken as an example to describe the interaction process of the positioning configuration information request method provided by the embodiment of the present application.
- the serving cell of the reference terminal located at the edge of the target terminal's serving cell may not be the same base station as the target terminal's serving cell. In this case, the base stations need to exchange configuration request information of the reference terminal.
- Figure 7 is the third signaling interaction diagram of the positioning configuration information request method provided by the embodiment of the present application. As shown in Figure 7, the method includes steps 701 to 708.
- Step 701 The target terminal receives the Sidelink positioning request configuration from the first base station.
- Step 702 The target terminal sends a Sidelink positioning configuration request to the first base station.
- step 702-0 may be included:
- Step 702-0 The target terminal needs to perform Sidelink positioning.
- Step 703 The first base station selects a reference terminal based on the Sidelink positioning configuration request, and determines the PRS configuration and associated Sidelink resources of the target terminal and the reference terminal.
- Step 704-0 The first base station sends a Sidelink configuration request to the second base station.
- the first base station sends a second request to the second base station, and the second request is a Sidelink configuration request.
- the Sidelink configuration request can include one or more of the following:
- the PRS configuration information of the reference terminal may include at least one of the following:
- the PRS configuration information of the target terminal includes at least one of the following:
- the target terminal s PRS sending start time and duration
- Step 704-1' The second base station sends the Sidelink positioning configuration to the reference terminal.
- Step 704-2' the reference terminal sends an RRC Reconfig Complete message to the second base station.
- Step 704-3 The second base station sends a Sidelink configuration response to the first base station.
- the second base station sends a second response to the first base station, and the second response is a Sidelink configuration response.
- the Sidelink configuration response can include at least one of the following:
- the failure information may include at least one of the following:
- the second network side device does not support the second request.
- Step 705-1 The first base station sends a Sidelink positioning configuration request response to the target terminal.
- Step 705-2 The target terminal sends an RRC Reconfig Complete message to the first base station.
- Step 706-1 The target terminal measures the PRS of the reference terminal.
- the target terminal sends according to the received first PRS configuration information and/or the first PRS Resource, measurement reference terminal's PRS.
- Step 706-2' The reference terminal measures the PRS of the target terminal.
- the reference terminal measures the PRS of the target terminal according to the received first PRS configuration information and/or the first PRS transmission resource.
- step 706-2' is an optional step and is represented by a dotted box in the figure.
- step 706-2' If you choose to perform step 706-2', you need to perform the following step 707';
- step 706-2' that is, if only step 706-1 is performed, there is no need to perform step 707'.
- Step 707' When the reference terminal measures the PRS of the target terminal, the reference terminal sends the PRS measurement result to the target terminal.
- step 707' is an optional step, it is represented by a dotted arrow in the figure.
- Step 708 The target terminal calculates its own positioning result based on the PRS measurement results.
- the received first PRS configuration information and/or the first PRS transmission resource requested by the target terminal are used by the target terminal for Sidelink positioning, the received first PRS configuration information and/or first The PRS transmission resources meet the positioning requirements of the target terminal.
- the target terminal performs positioning based on the first PRS configuration information and/or the first PRS transmission resources that meet the positioning requirements of the target terminal, which can effectively improve the positioning accuracy of the target terminal Sidelink.
- step 704 is executed directly.
- step 704-2 where step 704-1 and step 704-2 are roughly the same as the above-mentioned step 604-1 and step 604-2.
- step 706-2' and step 707' are not executed, but Step 706-2 and step 707 are directly executed, wherein step 706-2 and step 707 are substantially the same as the above-mentioned step 606-2 and step 607, and will not be described again here.
- the execution subject may be a positioning configuration information requesting device.
- the positioning configuration information requesting device performing the positioning configuration information requesting method is taken as an example to illustrate the positioning configuration information requesting device provided by the embodiment of this application.
- FIG 8 is one of the structural schematic diagrams of the positioning configuration information requesting device provided by the embodiment of the present application. As shown in Figure 8, the positioning configuration information requesting device 800 is applied to the target terminal and includes:
- the first sending module 801 is used to send a first request to the first network side device; the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS sending resource; the first PRS configuration information And/or the first PRS sends resources for Sidelink positioning;
- the first receiving module 802 is configured to receive a first response from the first network side device; the first response includes first PRS configuration information and/or first PRS transmission resources.
- the first PRS configuration information and/or the first PRS sending resource requested by the target terminal through the first sending module are used by the target terminal for Sidelink positioning, the first The first PRS configuration information and/or the first PRS transmission resources received by the receiving module meet the positioning requirements of the target terminal, and the target terminal is based on the first PRS configuration information and/or the first PRS transmission resources that meet the positioning requirements of the target terminal. Positioning can effectively improve the positioning accuracy of the target terminal Sidelink.
- FIG 9 is the second structural schematic diagram of the positioning configuration information requesting device provided by the embodiment of the present application. As shown in Figure 9, the positioning configuration information requesting device 900 is applied to the first network side device and includes:
- the second receiving module 901 is used to receive the first request from the target terminal; the first request is used to request the first network side device to configure the first PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or Or the first PRS sends resources for Sidelink positioning;
- the second sending module 902 is configured to send a first response to the target terminal based on the first request; the first response includes the first PRS configuration information and/or the first PRS sending resource.
- the target terminal since the first PRS configuration information and/or the first PRS transmission resource in the first request received by the second receiving module of the first network side device are used by the target terminal to request For Sidelink positioning, the first PRS configuration information and/or the first PRS transmission resources sent to the target terminal through the second sending module meet the positioning requirements of the target terminal, then the target terminal is based on the positioning requirements that meet the positioning requirements of the target terminal. Positioning using the first PRS configuration information and/or the first PRS transmission resource can effectively improve the positioning accuracy of the target terminal Sidelink.
- FIG 10 is a third structural schematic diagram of a positioning configuration information requesting device provided by an embodiment of the present application. As shown in Figure 10, the positioning configuration information requesting device 1000 is applied to the second network side device, including include:
- the third receiving module 1001 is configured to receive a second request from the first network side device; the second request includes requesting the second network side device to configure the second PRS configuration information and/or the second PRS sending resource; second PRS configuration information and/or second PRS transmission resources are used for Sidelink positioning;
- the third sending module 1002 is configured to send a second response to the first network side device based on the second request; the second response includes second PRS configuration information and/or second PRS sending resources.
- the first network side device when the serving cell of the reference terminal and the serving cell of the target terminal are not the same cell, the first network side device sends a message to the second network side device connected to the reference terminal.
- the second request is to request the second network side device to configure the second PRS configuration information and/or the second PRS transmission resource for Sidelink positioning, so that the target terminal and/or the reference terminal can obtain the PRS configuration that meets the Sidelink positioning accuracy requirements of the target terminal. and Sidelink resources, which can effectively improve the positioning accuracy of the target terminal Sidelink.
- the positioning configuration information requesting device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
- the electronic device may be a terminal or other devices other than the terminal.
- the electronic device can be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted electronic device, a mobile internet device (Mobile Internet Device, MID), or augmented reality (AR)/virtual reality (VR).
- terminals may include but are not limited to the types of terminals 11 listed above, and other devices may be servers, NAS, etc., which are not specifically limited in the embodiments of this application.
- the positioning configuration information requesting device in the embodiment of the present application may be a device with an operating system.
- the operating system can be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of this application.
- the positioning configuration information requesting device provided by the embodiment of the present application can implement each process implemented by the method embodiments of Figures 2 to 7, and achieve the same technical effect. To avoid duplication, details will not be described here.
- Figure 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- the communication device 1100 includes a processor 1101 and a memory 1102.
- the memory 1102 stores programs that can run on the processor 1101. or instructions.
- the communication device 1100 is a target terminal
- the program or instructions are executed by the processor 1101
- each step of the target terminal side positioning configuration information requesting method embodiment is implemented, and the same technical effect can be achieved.
- the communication device 1100 is a first network-side device
- the program or instruction is executed by the processor 1101
- each step of the first network-side device-side positioning configuration information requesting method embodiment is implemented, and the same technical effect can be achieved.
- the communication device 1100 is a second network side device
- the program or instruction is executed by the processor 1101
- each step of the second network side device side positioning configuration information requesting method embodiment is implemented, and the same technical effect can be achieved, as To avoid repetition, we will not go into details here.
- An embodiment of the present application also provides a target terminal, including a processor and a communication interface.
- the communication interface is used to send a first request to a first network side device; the first request is used to request the first network side device to configure the first A positioning reference signal PRS configuration information and/or a first PRS transmission resource; the first PRS configuration information and/or a first PRS transmission resource are used for Sidelink positioning; the communication interface is also used to receive signals from the first A first response from the network side device; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- This target terminal embodiment corresponds to the above-mentioned target terminal side method embodiment. Each implementation process and implementation method of the above-mentioned method embodiment can be applied to this target terminal embodiment, and can achieve the same technical effect.
- Figure 12 is a schematic structural diagram of a target terminal provided by an embodiment of the present application.
- the target terminal 1200 includes but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, At least some components of the display unit 1206, the user input unit 1207, the interface unit 1208, the memory 1209, the processor 1210, and the like.
- the target terminal 1200 may also include a power supply (such as a battery) that supplies power to various components.
- the power supply may be logically connected to the processor 1210 through a power management system.
- the power management system is used to manage functions such as charging, discharging, and power consumption management.
- the terminal structure shown in Figure 12 does not constitute a limitation on the terminal.
- the terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.
- the input unit 1204 may include a graphics processing unit (Graphics Processing Unit, GPU) 12041 and a microphone 12042.
- the graphics processor 12041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras).
- the display unit 1206 may include a display panel 12061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 1207 includes at least one of a touch panel 12071 and other input devices 12072 .
- Touch panel 12071 also known as touch screen.
- the touch panel 12071 may include two parts: a touch detection device and a touch controller.
- Other input devices 12072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
- the radio frequency unit 1201 after receiving downlink data from the network side device, the radio frequency unit 1201 can transmit it to the processor 1210 for processing; in addition, the radio frequency unit 1201 can send uplink data to the network side device.
- the radio frequency unit 1201 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
- Memory 1209 may be used to store software programs or instructions as well as various data.
- the memory 1209 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
- memory 1209 may include volatile memory or nonvolatile memory, or memory 1209 may include both volatile and nonvolatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
- RAM Random Access Memory
- SRAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM Double Data Rate SDRAM
- DDRSDRAM double data rate synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
- Synch link DRAM synchronous link dynamic random access memory
- SLDRAM direct memory bus
- the processor 1210 may include one or more processing units; optionally, the processor 1210 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1210.
- the radio frequency unit 1201 is used to send a first request to the first network side device; the first request is used to request the first network side device to configure the first positioning reference signal PRS configuration information and/or send the first PRS. Resources; the first PRS configuration information and/or first PRS transmission resources are used for Sidelink positioning.
- the radio frequency unit 1201 is further configured to receive a first response from the first network side device; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- the received first PRS configuration information and/or the first PRS transmission resource requested by the target terminal are used by the target terminal for Sidelink positioning, the received first PRS configuration information and/or first The PRS transmission resources meet the positioning requirements of the target terminal.
- the target terminal performs positioning based on the first PRS configuration information and/or the first PRS transmission resources that meet the positioning requirements of the target terminal, which can effectively improve the positioning accuracy of the target terminal Sidelink.
- the radio frequency unit 1201 is also configured to send a first activation request to the first network side device when the PRS transmission activation indication of the reference terminal is used to indicate that the PRS transmission of the reference terminal needs to be activated; Wherein, the first activation request is used to request activation of PRS transmission of the reference terminal;
- the PRS transmission activation indication at the target terminal is used to indicate the PRS transmission requirements of the target terminal.
- To be activated send a second activation request to the first network side device; wherein the second activation request is used to request activation of PRS transmission of the target terminal.
- the radio frequency unit 1201 is also configured to receive a first indication from the first network side device before sending the first request to the first network side device; the first indication is used to indicate the first network side device.
- the network side device allows the target terminal to send the first request.
- the radio frequency unit 1201 is further configured to, after receiving the first response from the first network side device, measure the PRS of the reference terminal based on the first response to obtain the first PRS measurement result; and based on the first response The first PRS measurement result is to calculate the positioning result of the target terminal.
- the radio frequency unit 1201 is also configured to receive a second PRS measurement result from the reference terminal; the second PRS measurement result is obtained by the reference terminal based on the first response measurement of the PRS of the target terminal. measurement results; and based on the first PRS measurement result and the second PRS measurement result, calculate the positioning result of the target terminal.
- Embodiments of the present application also provide a first network side device, including a processor and a communication interface.
- the communication interface is used to receive a first request from a target terminal; the first request is used to request the configuration of the first network side device.
- the first PRS configuration information and/or the first PRS transmission resource; the first PRS configuration information and/or the first PRS transmission resource are used for Sidelink positioning; the communication interface is also used to send a message to the target based on the first request.
- the terminal sends a first response; the first response includes the first PRS configuration information and/or the first PRS transmission resource.
- This first network-side device embodiment corresponds to the above-mentioned first network-side device method embodiment.
- Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this first network-side device embodiment, and can achieve the same technical effects.
- Figure 13 is a schematic structural diagram of a first network side device provided by an embodiment of the present application.
- the first network side device 1300 includes: an antenna 1301, a radio frequency device 1302, a baseband device 1303, a processor 1304 and a memory 1305 .
- the antenna 1301 is connected to the radio frequency device 1302.
- the radio frequency device 1302 receives information through the antenna 1301 and sends the received information to the baseband device 1303 for processing.
- the baseband device 1303 processes the information to be sent and sends it to the radio frequency device 1302.
- the radio frequency device 1302 processes the received information and then sends it out through the antenna 1301.
- the method performed by the network side device in the above embodiment can be implemented in the baseband device 1303, which includes a baseband processor.
- the baseband device 1303 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.
- the network side device may also include a network interface 1306, which is, for example, a common public radio interface (CPRI).
- a network interface 1306, which is, for example, a common public radio interface (CPRI).
- CPRI common public radio interface
- the first network side device 1300 in the embodiment of the present application also includes: instructions or programs stored in the memory 1305 and executable on the processor 1304.
- the processor 1304 calls the instructions or programs in the memory 1305 to execute as described above.
- the positioning configuration information request method can achieve the same technical effect. To avoid duplication, it will not be described in detail here.
- Embodiments of the present application also provide a second network side device, including a processor and a communication interface.
- the communication interface is used to receive a second request from the first network side device; the second request includes a method for requesting the first network side device.
- the second network side device configures the second PRS configuration information and/or the second PRS transmission resource; the second PRS configuration information and/or the second PRS transmission resource are used for Sidelink positioning; the communication interface is also used to based on the second request , sending a second response to the first network side device; the second response includes the second PRS configuration information and/or the second PRS transmission resource.
- This second network-side device embodiment corresponds to the above-mentioned second network-side device method embodiment.
- Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this second network-side device embodiment, and can achieve the same technical effects.
- FIG 14 is a schematic structural diagram of a second network side device provided by an embodiment of the present application.
- the second network side device 1400 includes: an antenna 1401, a radio frequency device 1402, a baseband device 1403, a processor 1404 and a memory 1405 .
- Antenna 1401 is connected to radio frequency device 1402.
- the radio frequency device 1402 receives information through the antenna 1401 and sends the received information to the baseband device 1403 for processing.
- the baseband device 1403 processes the information to be sent and sends it to the radio frequency device 1402.
- the radio frequency device 1402 processes the received information and passes it through the antenna 1401. Send it out.
- the method performed by the network side device in the above embodiment can be implemented in the baseband device 1403, which includes a baseband processor.
- the baseband device 1403 may include, for example, at least one baseband board, which is provided with multiple chips, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.
- the network side device may also include a network interface 1406, which is, for example, a common public radio interface (CPRI).
- a network interface 1406 which is, for example, a common public radio interface (CPRI).
- CPRI common public radio interface
- the second network side device 1400 in the embodiment of the present application also includes: instructions or programs stored in the memory 1405 and executable on the processor 1404.
- the processor 1404 calls the instructions or programs in the memory 1405 to execute as described above.
- the positioning configuration information request method can achieve the same technical effect. To avoid duplication, it will not be described in detail here.
- Embodiments of the present application also provide a positioning configuration information request system, including: a target terminal, a first network side device, and a second network side device.
- the target terminal can be used to perform the target terminal side positioning configuration information request as described above.
- the first network side device may be used to perform the steps of the first network side device side positioning configuration information requesting method as described above, and the second network side device may be used to perform the second network side device side positioning configuration information requesting method as described above.
- the steps of the device-side positioning configuration information request method including: a target terminal, a first network side device, and a second network side device.
- Embodiments of the present application also provide a readable storage medium.
- the readable storage medium may be volatile or non-volatile.
- the readable storage medium stores a program or instructions. The program Or when the instruction is executed by the processor, each process of the above positioning configuration information requesting method embodiment is implemented, and the same technical effect can be achieved. To avoid duplication, it will not be described again here.
- the processor is the processor in the terminal described in the above embodiment.
- the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
- An embodiment of the present application further provides a chip.
- the chip includes a processor and a communication interface.
- the communication interface is coupled to the processor.
- the processor is used to run programs or instructions to implement the above.
- Each process of the embodiment of the positioning configuration information request method can achieve the same technical effect. To avoid duplication, it will not be described again here.
- chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
- Embodiments of the present application further provide a computer program/program product.
- the computer program/program product is stored in a storage medium.
- the computer program/program product is executed by at least one processor to implement the above positioning configuration information requesting method.
- Each process of the embodiment can achieve the same technical effect, so to avoid repetition, it will not be described again here.
- the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
- the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to related technologies.
- the computer software product is stored in a storage medium (such as ROM/RAM, disk, CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.
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Abstract
本申请公开了一种定位配置信息请求方法、装置、目标终端及网络侧设备,属于通信技术领域,本申请实施例的定位配置信息请求方法包括:目标终端向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一定位参考信号PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于旁链路Sidelink定位;所述目标终端接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
Description
相关申请的交叉引用
本申请要求于2022年05月11日提交的申请号为202210514459.8,发明名称为“定位配置信息请求方法、装置、目标终端及网络侧设备”的中国专利申请的优先权,其通过引用方式全部并入本申请。
本申请属于通信技术领域,具体涉及一种定位配置信息请求方法、装置、目标终端及网络侧设备。
第五代移动通信技术(5th Generation Mobile Communication Technology,5G)R18已规划研究旁链路(Sidelink,SL)定位的问题,以满足车联网(Vehicle to Everything,V2X)、公共安全(Public Safety)等场景的定位需求。通常Sidelink定位涉及定位能力交互、定位参考信号(Positioning Reference Signal,PRS)配置交互、辅助信息交互、PRS测量、测量结果上报、定位结果计算等步骤,其中,PRS配置通常对Sidelink定位精度有很大影响。
目前,如何生成满足定位需求的PRS配置以解决目前Sidelink的定位精度低的问题,仍是亟待解决的技术问题。
发明内容
本申请实施例提供一种定位配置信息请求方法、装置、目标终端及网络侧设备,能够解决目前Sidelink的定位精度低的问题。
第一方面,提供了一种定位配置信息请求方法,该方法包括:
目标终端向第一网络侧设备发送第一请求;所述第一请求用于请求所述
第一网络侧设备配置第一定位参考信号PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于旁链路Sidelink定位;
所述目标终端接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
第二方面,提供了一种定位配置信息请求方法,该方法包括:
第一网络侧设备接收来自目标终端的第一请求;所述第一请求用于请求所述第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;
所述第一网络侧设备基于所述第一请求,向所述目标终端发送第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
第三方面,提供了一种定位配置信息请求方法,该方法包括:
第二网络侧设备接收来自第一网络侧设备的第二请求;所述第二请求中包括用于请求所述第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;
所述第二网络侧设备基于所述第二请求,向所述第一网络侧设备发送第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。
第四方面,提供了一种定位配置信息请求装置,该装置包括:
第一发送模块,用于向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;
第一接收模块,用于接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
第五方面,提供了一种定位配置信息请求装置,该装置包括:
第二接收模块,用于接收来自目标终端的第一请求;所述第一请求用于请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述
第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;
第二发送模块,用于基于所述第一请求,向所述目标终端发送第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
第六方面,提供了一种定位配置信息请求装置,该装置包括:
第三接收模块,用于接收来自第一网络侧设备的第二请求;所述第二请求中包括用于请求第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;
第三发送模块,用于基于所述第二请求,向所述第一网络侧设备发送第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。
第七方面,提供了一种目标终端,该目标终端包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第八方面,提供了一种目标终端,包括处理器及通信接口;其中,所述通信接口用于向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一定位参考信号PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于旁链路Sidelink定位;所述通信接口还用于接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
第九方面,提供了一种第一网络侧设备,该网络侧设备包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第二方面所述的方法的步骤。
第十方面,提供了一种第一网络侧设备,包括处理器及通信接口;其中,所述通信接口用于接收来自目标终端的第一请求;所述第一请求用于请求所述第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;所述通信接口还用于基于所述第一请求,向所述目标终端发送第一响应;所述第一响应中
包括所述第一PRS配置信息和/或所述第一PRS发送资源。
第十一方面,提供了一种第二网络侧设备,该网络侧设备包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第三方面所述的方法的步骤。
第十二方面,提供了一种第二网络侧设备,包括处理器及通信接口;其中,所述通信接口用于接收来自第一网络侧设备的第二请求;所述第二请求中包括用于请求所述第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;所述通信接口还用于基于所述第二请求,向所述第一网络侧设备发送第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。
第十三方面,提供了一种定位配置信息请求系统,包括:目标终端、第一网络侧设备及第二网络侧设备,所述目标终端可用于执行如第一方面所述的方法的步骤,所述第一网络侧设备可用于执行如第二方面所述的方法的步骤,所述第二网络侧设备可用于执行如第三方面所述的方法的步骤。
第十四方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤,或者实现如第三方面所述的方法的步骤。
第十五方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如第一方面所述的方法,或实现如第二方面所述的方法,或实现如第三方面所述的方法。
第十六方面,提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤,或者实现如第三方面所述的方法的步骤。
在本申请实施例中,由于目标终端请求的第一PRS配置信息和/或第一PRS发送资源,是目标终端用于进行Sidelink定位的,故接收到的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,目标终端基于满足目标终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
图1是本申请实施例可应用的无线通信系统的示意图;
图2是本申请实施例提供的定位配置信息请求方法的流程示意图之一;
图3是本申请实施例提供的定位配置信息请求方法的流程示意图之二;
图4是本申请实施例提供的定位配置信息请求方法的流程示意图之三;
图5是本申请实施例提供的定位配置信息请求方法的信令交互图之一;
图6是本申请实施例提供的定位配置信息请求方法的信令交互图之二;
图7是本申请实施例提供的定位配置信息请求方法的信令交互图之三;
图8是本申请实施例提供的定位配置信息请求装置的结构示意图之一;
图9是本申请实施例提供的定位配置信息请求装置的结构示意图之二;
图10是本申请实施例提供的定位配置信息请求装置的结构示意图之三;
图11是本申请实施例提供的通信设备的结构示意图;
图12是本申请实施例提供的目标终端的结构示意图;
图13是本申请实施例提供的第一网络侧设备的结构示意图;
图14是本申请实施例提供的第二网络侧设备的结构示意图。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但是这些技术也可应用于NR系统应用以外的通信系统,如第6代(6th Generation,6G)通信系统。
图1是本申请实施例可应用的无线通信系统的示意图,图1示出的无线通信系统包括终端11和网络侧设备12。其中,终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(VUE)、行人终端(PUE)、智能家居(具有无线通信功能的家居设
备,如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(personal computer,PC)、柜员机或者自助机等终端侧设备,可穿戴式设备包括:智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装等。需要说明的是,在本申请实施例并不限定终端11的具体类型。
网络侧设备12可以包括接入网设备或核心网设备,其中,接入网设备也可以称为无线接入网设备、无线接入网(Radio Access Network,RAN)、无线接入网功能或无线接入网单元。接入网设备可以包括基站、WLAN接入点或WiFi节点等,基站可被称为节点B、演进节点B(eNB)、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、家用B节点、家用演进型B节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例进行介绍,并不限定基站的具体类型。
下面结合附图,通过一些实施例及其应用场景对本申请实施例提供的定位配置信息请求方法进行详细地说明。
本申请实施例提供的定位配置信息请求方法,可应用于目标终端。图2是本申请实施例提供的定位配置信息请求方法的流程示意图之一,如图2所示,该方法包括步骤201和步骤202;其中:
步骤201、目标终端向第一网络侧设备发送第一请求;第一请求用于请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位。
具体地,目标终端向第一网络侧设备发送第一请求,其中,第一请求可以承载于目标终端向第一网络侧设备发送的UEAssistanceInformation消息或SidelinkUEInformationNR消息中,第一请求用于请求第一网络侧设备给目标终端和/或参考终端,配置第一PRS配置信息和/或第一PRS发送资源,第一
PRS配置信息和/或第一PRS发送资源用于Sidelink定位。
可选地,目标终端可以在自身有定位需求之前,向第一网络侧设备发送第一请求;也可以在自身有定位需求之后,再向第一网络侧设备发送第一请求。
步骤202、目标终端接收来自第一网络侧设备的第一响应;第一响应中包括第一PRS配置信息和/或第一PRS发送资源。
具体地,目标终端接收来自第一网络侧设备的第一响应,其中,第一请求可以承载于无线资源控制(Radio Resource Control,RRC)重配置(Reconfiguration)消息中,第一响应中包括第一PRS配置信息和/或第一PRS发送资源,第一PRS配置信息和/或第一PRS发送资源用以对目标终端进行配置。
可以理解的是,目标终端在接收来自第一网络侧设备的第一响应之后,会基于第一PRS配置信息和/或第一PRS发送资源对自身进行配置,在配置完成后,目标终端向第一网络侧设备发送RRC重配置完成(RRC Reconfig Complete)消息。
本申请实施例提供的定位配置信息请求方法中,由于目标终端请求的第一PRS配置信息和/或第一PRS发送资源,是目标终端用于进行Sidelink定位的,故接收到的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,目标终端基于满足目标终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
可选地,第一请求可以包括以下至少一项:
1)目标终端的定位服务质量(Quality of Service,QoS)列表;
具体地,目标终端的定位QoS列表可以对应一个或多个定位QoS,定位QoS可以包括以下至少一项:定位精度;定位时延要求。
2)目标终端的移动状态;
具体地,目标终端的移动状态可以包括以下至少一项:目标终端的移动
速度;目标终端的移动方向。
3)目标终端的测量结果;
具体地,目标终端的测量结果可以包括以下至少一项:服务小区和/或邻小区的参考信号接收功率(Reference Signal Received Power,RSRP)测量结果;参考终端的RSRP测量结果。
其中,服务小区和/或邻小区的RSRP测量结果可以为基站的同步信号块参考信号接收功率(Synchronization Signal Block-Reference Signal Received Power,SSB-RSRP),基站的测量结果关联于基站标识ID,基站ID例如为小区标识(cell ID)。
参考终端的RSRP测量结果可以为旁链路参考信号接收功率(Sidelink-Reference Signal Received Power,SL-RSRP),也可以为旁链路发现参考信号接收功率(Sidelink Discovery Reference Signal Received Power,SD-RSRP),参考终端的测量结果关联于参考终端ID,参考终端ID例如为层(layer)2 ID。
4)用于请求目标终端的PRS配置信息的请求;
5)用于请求目标终端的配置标识列表的请求;
6)用于请求参考终端的数量的请求;
7)用于请求参考终端的位置信息的请求;
8)用于请求参考终端的标识的请求;
9)用于请求参考终端的PRS配置信息的请求;
10)用于请求参考终端的配置标识列表的请求。
具体地,参考终端的PRS配置信息可以包括以下至少一项:
1)参考终端的PRS发送频点;
2)参考终端的PRS类型;
具体地,参考终端的PRS类型可以包括以下至少一项:周期PRS;半静态PRS;非周期PRS。
3)参考终端的PRS发送周期;
4)参考终端的PRS发送周期内符号数;
5)参考终端的PRS发送周期内符号间距;
6)参考终端的PRS发送周期数;
7)参考终端的PRS发送带宽;
8)参考终端的PRS发送带宽内重复次数;
9)参考终端的PRS发送开始时间和持续时间;
10)参考终端的PRS发送频域梳状大小。
具体地,目标终端的PRS配置信息可以包括以下至少一项:
1)目标终端的PRS发送频点;
2)目标终端的PRS类型;
3)目标终端的PRS发送周期;
4)目标终端的PRS发送周期内符号数;
5)目标终端的PRS发送周期内符号间距;
6)目标终端的PRS发送周期数;
7)目标终端的PRS发送带宽;
8)目标终端的PRS发送带宽内重复次数;
9)目标终端的PRS发送开始时间和持续时间;
10)目标终端的PRS发送频域梳状大小。
可选地,第一PRS配置信息可以包括以下至少一项:
1)参考终端的位置信息;
具体地,参考终端的位置信息可以为参考终端的经纬度信息。
2)参考终端的标识;
具体地,参考终端的标识可以为layer2 ID。
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)目标终端的PRS配置信息;
6)目标终端的配置标识列表。
可选地,第一PRS发送资源可以包括以下至少一项:
1)PRS发送资源的带宽;
2)PRS发送资源的初始频点信息;
具体地,PRS发送资源的初始频点信息,例如为point A。
3)PRS发送资源的起始时间;
具体地,PRS发送资源的起始时间,例如为起始符号或起始时隙(slot)。
4)PRS发送资源的终止时间;
具体地,PRS发送资源的终止时间,例如为终止符号或终止slot。
5)PRS发送资源的持续时间;
具体地,PRS发送资源的持续时间,例如为持续符号或持续slot。
6)PRS发送资源的周期;
7)PRS发送资源的关联资源池标识。
可选地,第一响应中还可以包括以下至少一项:
1)参考终端的PRS发送激活指示,用于指示参考终端的PRS发送是否需要被激活;
2)目标终端的PRS发送激活指示,用于指示目标终端的PRS发送是否需要被激活;
3)第一请求对应的失败信息。
具体地,失败信息包括以下至少一项:
a.第一请求包括的至少一个参数无法满足;
b.第一请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;
c.第一网络侧设备不支持第一请求。
可选地,在参考终端的PRS发送激活指示用于指示参考终端的PRS发送需要被激活的情况下,目标终端向第一网络侧设备发送第一激活请求;其中,第一激活请求用于请求激活参考终端的PRS发送;
可选地,在目标终端的PRS发送激活指示用于指示目标终端的PRS发送需要被激活的情况下,目标终端向第一网络侧设备发送第二激活请求;其中,
第二激活请求用于请求激活目标终端的PRS发送。
具体地,在参考终端的PRS发送激活指示用于指示参考终端的PRS发送需要被激活的情况下,即在参考终端的PRS发送需要被激活的情况下,目标终端向第一网络侧设备发送第一激活请求,以请求第一网络侧设备激活参考终端的PRS发送。
在目标终端的PRS发送激活指示用于指示目标终端的PRS发送需要被激活的情况下,即在目标终端的PRS发送需要被激活的情况下,目标终端向第一网络侧设备发送第二激活请求,以请求第一网络侧设备激活目标终端的PRS发送。
其中,激活请求可以包括媒体接入控制单元(Medium Access Control-Control Element,MAC CE)或上行控制信息(Uplink Control Information,UCI)。
可选地,参考终端的PRS发送是否需要被激活,还可以由参考终端的PRS类型隐式表示。举例来说,在参考终端的PRS类型为周期PRS的情况下,表示参考终端的PRS发送不需要被激活;在参考终端的PRS类型为半静态PRS或非周期PRS的情况下,表示参考终端的PRS发送需要被激活。
在参考终端的PRS类型为半静态PRS或非周期PRS的情况下,即表示在参考终端的PRS发送需要被激活的情况下,由目标终端向第一网络侧设备发送第一激活请求,以请求第一网络侧设备激活参考终端的PRS发送。
与参考终端同理,目标终端的PRS发送是否需要被激活,也可以由目标终端的PRS类型隐式表示。举例来说,在目标终端的PRS类型为周期PRS的情况下,表示目标终端的PRS发送不需要被激活;在目标终端的PRS类型为半静态PRS或非周期PRS的情况下,表示目标终端的PRS发送需要被激活。
在目标终端的PRS类型为半静态PRS或非周期PRS的情况下,即表示在目标终端的PRS发送需要被激活的情况下,由目标终端向第一网络侧设备发送第二激活请求,以请求第一网络侧设备激活目标终端的PRS发送。
可选地,目标终端向第一网络侧设备发送第一请求之前,目标终端接收来自第一网络侧设备的第一指示;第一指示用于指示第一网络侧设备允许目
标终端发送第一请求。
具体地,目标终端接收来自第一网络侧设备的第一指示,其中,第一指示可以承载于来自第一网络侧设备的广播消息或专用消息中,广播消息例如为系统信息块(System Information Block,SIB)12消息,专用消息例如为RRCReconfiguration消息,第一指示用于指示目标终端可以向第一网络侧设备发送第一请求。
可以理解的是,若目标终端在接收来自第一网络侧设备的第一指示之前,向第一网络侧设备发送了第一请求,则目标终端接收的来自第一网络侧设备的第一响应中,可能包括第一请求对应的失败信息,失败信息可以为:第一网络侧设备不支持第一请求。
可选地,第一指示可以包括以下至少一项:
1)允许目标终端发送第一请求;
2)第一计时器的时长;
具体地,可以设置目标终端在发送第一请求后启动第一计时器,并设置目标终端在第一计时器超时前不允许再次发送第一请求。
3)可请求配置的参考终端的数量;
4)可请求配置的参考终端的PRS配置信息;
5)可请求配置的参考终端的配置列表;所述参考终端的配置列表包括:参考终端的配置标识,和/或参考终端的PRS配置信息;
具体地,参考终端的PRS配置信息可以在第一指示中明确表示,也可以通过协议规定。
6)可请求配置的目标终端的PRS配置信息;
7)可请求配置的目标终端的配置列表;所述目标终端的配置列表包括:目标终端的配置标识,和/或目标终端的PRS配置信息。
具体地,目标终端的PRS配置信息可以在第一指示中明确表示,也可以通过协议规定。
可选地,在目标终端接收来自第一网络侧设备的第一响应之后,目标终
端基于第一响应测量参考终端的PRS,得到第一PRS测量结果;目标终端基于第一PRS测量结果,计算目标终端的定位结果。
其中,第一PRS测量结果可以包括以下至少一项:
1)参考信号时间差(ReferenceSignal Time Difference,RSTD)测量结果;
2)往返时延(round-trip time,RTT)测量结果;
3)到达角(Angle Of Arrival,AOA)测量结果;
4)离开角(Angle Of Departure,AOD)测量结果;
5)RSRP。
具体地,目标终端先基于第一响应测量参考终端的PRS,得到第一PRS测量结果,之后可以直接根据参考终端的第一PRS测量结果,计算目标终端的定位结果。
可选地,目标终端接收来自参考终端的第二PRS测量结果;第二PRS测量结果,是参考终端基于第一响应测量目标终端的PRS得到的测量结果;
目标终端基于第一PRS测量结果,计算目标终端的定位结果,包括:目标终端基于第一PRS测量结果和第二PRS测量结果,计算目标终端的定位结果;其中,第二PRS测量结果可以包括以下至少一项:
1)RSTD测量结果;
2)RTT测量结果;
3)AOA测量结果;
4)AOD测量结果;
5)RSRP。
具体地,目标终端基于第一响应测量参考终端的PRS,得到第一PRS测量结果;目标终端还接收来自参考终端的第二PRS测量结果,第二PRS测量结果是参考终端基于第一响应测量目标终端的PRS得到的测量结果。之后目标终端可以结合参考终端的第一PRS测量结果和目标终端的第二PRS测量结果,计算目标终端的定位结果。
本申请实施例中,目标终端结合了参考终端的第一PRS测量结果和目标
终端的第二PRS测量结果计算目标终端的定位结果,相较于目标终端仅基于参考终端的第一PRS测量结果计算目标终端的定位结果,得到的目标终端的定位结果更准确,也即提高了目标终端Sidelink的定位精度。
本申请实施例提供的定位配置信息请求方法,还可应用于第一网络侧设备。图3是本申请实施例提供的定位配置信息请求方法的流程示意图之二,如图3所示,该方法包括步骤301至步骤303。
步骤301、第一网络侧设备接收来自目标终端的第一请求;第一请求用于请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;
具体地,第一网络侧设备接收来自目标终端的第一请求,其中,第一请求可以承载于目标终端向第一网络侧设备发送的UEAssistanceInformation消息或SidelinkUEInformationNR消息中,第一请求用于请求第一网络侧设备给目标终端和/或参考终端,配置第一PRS配置信息和/或第一PRS发送资源,第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位。
步骤302、第一网络侧设备基于第一请求,向目标终端发送第一响应;第一响应中包括第一PRS配置信息和/或第一PRS发送资源。
具体地,第一网络侧设备向目标终端发送第一响应,其中,第一请求可以承载于RRCReconfiguration消息中,第一响应中包括第一PRS配置信息和/或第一PRS发送资源,第一PRS配置信息和/或第一PRS发送资源用以对目标终端进行配置。
可以理解的是,目标终端在接收来自第一网络侧设备的第一响应之后,会基于第一PRS配置信息和/或第一PRS发送资源对自身进行配置,在目标终端配置完成后,第一网络侧设备会接收到来自目标终端的RRC Reconfig Complete消息。
可选地,第一请求可以包括以下至少一项:
1)目标终端的定位QoS列表;
2)目标终端的移动状态;
3)目标终端的测量结果;
4)用于请求目标终端的PRS配置信息的请求;
5)用于请求目标终端的配置标识列表的请求;
6)用于请求参考终端的数量的请求;
7)用于请求参考终端的位置信息的请求;
8)用于请求参考终端的标识的请求;
9)用于请求参考终端的PRS配置信息的请求;
10)用于请求参考终端的配置标识列表的请求。
具体地,参考终端的PRS配置信息可以包括以下至少一项:
1)参考终端的PRS发送频点;
2)参考终端的PRS类型;
具体地,参考终端的PRS类型可以包括以下至少一项:周期PRS;半静态PRS;非周期PRS。
3)参考终端的PRS发送周期;
4)参考终端的PRS发送周期内符号数;
5)参考终端的PRS发送周期内符号间距;
6)参考终端的PRS发送周期数;
7)参考终端的PRS发送带宽;
8)参考终端的PRS发送带宽内重复次数;
9)参考终端的PRS发送开始时间和持续时间;
10)参考终端的PRS发送频域梳状大小。
具体地,目标终端的PRS配置信息可以包括以下至少一项:
1)目标终端的PRS发送频点;
2)目标终端的PRS类型;
3)目标终端的PRS发送周期;
4)目标终端的PRS发送周期内符号数;
5)目标终端的PRS发送周期内符号间距;
6)目标终端的PRS发送周期数;
7)目标终端的PRS发送带宽;
8)目标终端的PRS发送带宽内重复次数;
9)目标终端的PRS发送开始时间和持续时间;
10)目标终端的PRS发送频域梳状大小。
可选地,第一PRS配置信息可以包括以下至少一项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)目标终端的PRS配置信息;
6)目标终端的配置标识列表。
可选地,第一PRS发送资源可以包括以下至少一项:
1)PRS发送资源的带宽;
2)PRS发送资源的初始频点信息;
3)PRS发送资源的起始时间;
4)PRS发送资源的终止时间;
5)PRS发送资源的持续时间;
6)PRS发送资源的周期;
7)PRS发送资源的关联资源池标识。
可选地,第一响应中还包括以下至少一项:
1)参考终端的PRS发送激活指示,用于指示参考终端的PRS发送是否需要被激活;
2)目标终端的PRS发送激活指示,用于指示目标终端的PRS发送是否需要被激活;
3)第一请求对应的失败信息。
具体地,失败信息可以包括以下至少一项:
a.第一请求包括的至少一个参数无法满足;
b.第一请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;
c.第一网络侧设备不支持第一请求。
可选地,在第一网络侧设备接收来自目标终端的第一请求之前,第一网络侧设备向目标终端发送第一指示;第一指示用于指示第一网络侧设备允许目标终端发送第一请求。
具体地,第一网络侧设备向目标终端发送第一指示,其中,第一指示可以承载于第一网络侧设备发送的广播消息或专用消息中,广播消息例如为SIB12消息,专用消息例如为RRCReconfiguration消息,第一指示用于指示目标终端可以向第一网络侧设备发送第一请求。
可选地,第一指示可以包括以下至少一项:
1)允许目标终端发送第一请求;
2)第一计时器的时长;
3)可请求配置的参考终端的数量;
4)可请求配置的参考终端的PRS配置信息;
5)可请求配置的参考终端的配置列表;参考终端的配置列表包括:参考终端的配置标识,和/或参考终端的PRS配置信息;
6)可请求配置的目标终端的PRS配置信息;
7)可请求配置的目标终端的配置列表;目标终端的配置列表包括:目标终端的配置标识,和/或目标终端的PRS配置信息。
可选地,在第一网络侧设备基于第一请求,确定第一PRS配置信息和/或第一PRS发送资源之后,第一网络侧设备向参考终端发送第一配置;第一配置中包括第一PRS配置信息和/或第一PRS发送资源。
具体地,第一网络侧设备在确定第一PRS配置信息和/或第一PRS发送资源之后,会向参考终端发送第一配置,第一配置中包括第一PRS配置信息和/或第一PRS发送资源,以由参考终端基于第一PRS配置信息和/或第一
PRS发送资源对自身进行配置。
可以理解的是,参考终端在接收来自第一网络侧设备的第一配置之后,会基于第一配置中的第一PRS配置信息和/或第一PRS发送资源对自身进行配置,在配置完成后,参考终端向第一网络侧设备发送RRC Reconfig Complete消息。
可选地,在第一网络侧设备基于第一请求,确定第一PRS配置信息和/或第一PRS发送资源之后,在参考终端与目标终端的服务小区不同的情况下,第一网络侧设备向参考终端所接入的第二网络侧设备发送第二请求;第二请求中包括用于请求第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;
第一网络侧设备接收来自第二网络侧设备的第二响应;第二响应中包括第二PRS配置信息和/或第二PRS发送资源。
具体地,在参考终端与目标终端的服务小区不同的情况下,即在参考终端的服务小区不是第一网络侧设备的情况下,第一网络侧设备向参考终端所接入的第二网络侧设备发送第二请求,以请求第二网络侧设备配置用于Sidelink定位的第二PRS配置信息和/或第二PRS发送资源,第一网络侧设备接收来自第二网络侧设备的第二响应,可以将第二响应中包括第二PRS配置信息和/或第二PRS发送资源携带在第一响应中发送给目标终端,进而由目标终端基于第二PRS配置信息和/或第二PRS发送资源进行配置。
可选地,第二请求可以包括以下至少一项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)目标终端的PRS配置信息;
6)目标终端的配置标识列表;
7)用于请求参考终端的数量的请求;
8)用于请求参考终端的位置信息的请求;
9)用于请求参考终端的标识的请求;
10)用于请求参考终端的PRS配置信息的请求;
11)用于请求参考终端的配置标识列表的请求。
可选地,第二PRS配置信息可以包括以下至少一项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)第二请求对应的失败信息。
具体地,失败信息可以包括以下至少一项:
1)第二请求包括的至少一个参数无法满足;
2)第二请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;
3)第二网络侧设备不支持第二请求。
可选地,第二PRS发送资源可以包括以下至少一项:
1)PRS发送资源的带宽;
2)PRS发送资源的初始频点信息;
3)PRS发送资源的起始时间;
4)PRS发送资源的终止时间;
5)PRS发送资源的持续时间;
6)PRS发送资源的周期;
7)PRS发送资源的关联资源池标识。
本申请实施例提供的定位配置信息请求方法中,由于第一网络侧设备接收的第一请求中的第一PRS配置信息和/或第一PRS发送资源,是目标终端请求用于进行Sidelink定位的,故向目标终端发送的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,则目标终端基于满足目标
终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
本申请实施例提供的定位配置信息请求方法,还可应用于第二网络侧设备。图4是本申请实施例提供的定位配置信息请求方法的流程示意图之三,如图4所示,该方法包括步骤401至步骤403。
步骤401、第二网络侧设备接收来自第一网络侧设备的第二请求;第二请求中包括用于请求第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;
步骤402、第二网络侧设备基于第二请求,向第一网络侧设备发送第二响应;第二响应中包括第二PRS配置信息和/或第二PRS发送资源。
具体地,第二网络侧设备接收来自第一网络侧设备的第二请求,用以请求第二网络侧设备向参考终端配置第二PRS配置信息和/或第二PRS发送资源,之后第二网络侧设备向第一网络侧设备发送第二响应,第二响应中包括参考终端配置的第二PRS配置信息和/或第二PRS发送资源。
可选地,第二请求可以包括以下至少一项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)目标终端的PRS配置信息;
6)目标终端的配置标识列表;
7)用于请求参考终端的数量的请求;
8)用于请求参考终端的位置信息的请求;
9)用于请求参考终端的标识的请求;
10)用于请求参考终端的PRS配置信息的请求;
11)用于请求参考终端的配置标识列表的请求。
可选地,第二PRS配置信息可以包括以下至少一项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)第二请求对应的失败信息。
具体地,失败信息可以包括以下至少一项:
1)第二请求包括的至少一个参数无法满足;
2)第二请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;
3)第二网络侧设备不支持第二请求。
可选地,第二PRS发送资源可以包括以下至少一项:
1)PRS发送资源的带宽;
2)PRS发送资源的初始频点信息;
3)PRS发送资源的起始时间;
4)PRS发送资源的终止时间;
5)PRS发送资源的持续时间;
6)PRS发送资源的周期;
7)PRS发送资源的关联资源池标识。
可选地,参考终端的PRS配置信息可以包括以下至少一项:
1)参考终端的PRS发送频点;
2)参考终端的PRS类型;
3)参考终端的PRS发送周期;
4)参考终端的PRS发送周期内符号数;
5)参考终端的PRS发送周期内符号间距;
6)参考终端的PRS发送周期数;
7)参考终端的PRS发送带宽;
8)参考终端的PRS发送带宽内重复次数;
9)参考终端的PRS发送开始时间和持续时间;
10)参考终端的PRS发送频域梳状大小。
可选地,目标终端的PRS配置信息包括以下至少一项:
1)目标终端的PRS发送频点;
2)目标终端的PRS类型;
3)目标终端的PRS发送周期;
4)目标终端的PRS发送周期内符号数;
5)目标终端的PRS发送周期内符号间距;
6)目标终端的PRS发送周期数;
7)目标终端的PRS发送带宽;
8)目标终端的PRS发送带宽内重复次数;
9)目标终端的PRS发送开始时间和持续时间;
10)目标终端的PRS发送频域梳状大小。
本申请实施例提供的定位配置信息请求方法,在参考终端的服务小区与目标终端的服务小区不是同一个小区的情况下,第一网络侧设备向参考终端所接入的第二网络侧设备发送第二请求,请求第二网络侧设备配置用于Sidelink定位的第二PRS配置信息和/或第二PRS发送资源,使得目标终端和/或参考终端可以获得满足目标终端Sidelink定位精度需求的PRS配置及Sidelink资源,能够有效提高目标终端Sidelink的定位精度。
下面以信令交互的形式,对本申请实施例提供的定位配置信息请求方法的交互过程进行说明。
图5是本申请实施例提供的定位配置信息请求方法的信令交互图之一,如图5所示,该方法包括步骤501至步骤503。
步骤501、目标终端向第一网络侧设备发送第一请求。相应地,第一网络侧设备来自目标终端的第一请求。
其中,第一请求用于请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;第一PRS配置信息和/或第一PRS发送资源用于Sidelink
定位。
步骤502、第一网络侧设备基于第一请求,向目标终端发送第一响应。相应地,目标终端接收来自第一网络侧设备的第一响应。
其中,第一响应中包括第一PRS配置信息和/或第一PRS发送资源。
下面以第一网络侧设备为第一基站,参考终端与目标终端的服务小区相同,且服务小区均为第一基站设备为例,对本申请实施例提供的定位配置信息请求方法的交互过程进行说明。
图6是本申请实施例提供的定位配置信息请求方法的信令交互图之二,如图6所示,该方法包括步骤601至步骤608。
步骤601、目标终端接收来自第一基站的Sidelink定位请求配置。
具体地,目标终端可以通过广播消息(例如SIB12消息)或专用消息(例如RRCReconfiguration消息)接收来自第一基站的第一指示,第一指示为Sidelink定位请求配置,用于指示允许目标终端向第一基站发送第一请求。
其中,Sidelink定位请求配置,可以包括以下至少之一:
1)允许目标终端发送Sidelink定位请求指示;
2)第一计时器的时长;
具体使用时,可以设置目标终端在向第一基站发送Sidelink定位配置请求后启动该第一计时器,并设置在第一计时器超时前不允许目标终端发送Sidelink定位配置请求。
3)可请求配置的参考终端数量;
4)可请求配置的参考终端/目标终端PRS发送频点;
5)可请求配置的参考终端/目标终端PRS类型;
具体地,PRS类型例如周期PRS、半静态PRS、或非周期PRS。
6)可请求配置的参考终端/目标终端PRS发送周期;
7)可请求配置的参考终端/目标终端PRS发送周期内符号数;
8)可请求配置的参考终端/目标终端PRS发送周期内符号间距;
9)可请求配置的参考终端/目标终端PRS发送带宽;
10)可请求配置的参考终端/目标终端PRS发送带宽内重复次数;
11)可请求配置的参考终端/目标终端配置列表;
具体地,各配置列表可以包括:
a.参考终端/目标终端配置标识;
b.参考终端/目标终端配置。
其中,终端配置中可以包括上述PRS发送频点、PRS类型、PRS发送周期、PRS发送周期内符号数、PRS发送周期内符号间距、PRS发送带宽及PRS发送带宽内重复次数。
上述终端配置可以在Sidelink定位请求配置中明确表示,也可以通过协议规定。
步骤602、目标终端向第一基站发送Sidelink定位配置请求。
具体地,目标终端向第一基站发送第一请求,第一请求Sidelink定位配置请求(定位辅助信息),可以理解为是目标终端和参考终端配置请求,用于请求第一基站为目标终端和参考终端进行配置。其中,Sidelink定位配置请求可以承载于UEAssistanceInformation消息或SidelinkUEInformationNR消息中。
其中,Sidelink定位配置请求,可以包括以下一项或多项:
1)目标终端的定位QoS列表;定位QoS列表可以对应一个或多个定位QoS,定位QoS包括定位精度和定位时延要求。
2)目标终端的移动状态;移动状态可以包括速度和方向。
3)目标终端的测量结果;目标终端的测量结果可以包括服务小区和邻小区RSRP测量结果和/或参考终端的RSRP测量结果,其中参考终端关联于layer2 ID。
4)参考终端的数量请求;
5)参考终端的位置信息请求;
6)参考终端的标识请求;
7)参考终端/目标终端的PRS发送频点请求;
8)参考终端/目标终端的PRS类型请求;PRS类型例如为周期PRS、半
静态PRS和非周期PRS。
9)参考终端/目标终端的PRS发送周期请求;
10)参考终端/目标终端的PRS发送周期内符号数请求;
11)参考终端/目标终端的PRS发送周期内符号间距请求;
12)参考终端/目标终端的PRS发送周期数请求;
13)参考终端/目标终端的PRS发送带宽请求;
14)参考终端/目标终端的PRS发送带宽内重复次数请求;
15)参考终端/目标终端的PRS发送开始时间和持续时间请求;
16)参考终端/目标终端的配置标识列表请求。
在步骤602之前,可以包括步骤602-0:
步骤602-0、目标终端需要进行Sidelink定位。
可以理解的是,目标终端可以在确定需要进行Sidelink定位之后,再向第一基站发送Sidelink定位配置请求。
步骤603、第一基站基于Sidelink定位配置请求选择参考终端,并确定目标终端和参考终端的PRS配置及关联的Sidelink资源。
具体地,第一基站基于Sidelink定位配置请求选择参考终端,并确定目标终端和参考终端的PRS配置为第一PRS配置信息,确定目标终端和参考终端关联的Sidelink资源为第一PRS发送资源。
步骤604-1、第一基站发送Sidelink定位配置至选择的参考终端。
具体地,第一基站向选择的参考终端发送第一配置,第一配置为Sidelink定位配置。
其中,Sidelink定位配置可以包括以下一项或多项:
1)参考终端/目标终端PRS的发送频点;
2)参考终端/目标终端PRS的发送周期;
3)参考终端/目标终端PRS的发送周期内符号数;
4)参考终端/目标终端PRS的发送周期内符号间距;
5)参考终端/目标终端PRS的发送带宽;
6)参考终端/目标终端PRS的发送带宽内重复次数;
7)参考终端/目标终端PRS的发送开始时间和持续时间。
步骤604-2、参考终端向第一基站发送RRC重配置完成(RRC Reconfig Complete)消息。
步骤605-1、第一基站发送Sidelink定位配置请求响应至目标终端。
具体地,第一基站向目标终端发送第一响应,第一响应为Sidelink定位配置请求响应。
其中,Sidelink定位配置请求响应可以通过RRCReconfiguration消息发送,Sidelink定位配置请求响应可以包括以下一项或多项:
1)参考终端的位置信息;位置信息例如为经纬度信息。
2)参考终端的标识;参考终端的标识例如为layer2 ID。
3)参考终端/目标终端的PRS发送频点;
4)参考终端/目标终端的PRS类型;PRS类型例如为周期PRS、半静态PRS和非周期PRS。
5)参考终端/目标终端的PRS发送周期;
6)参考终端/目标终端的PRS发送周期内符号数;
7)参考终端/目标终端的PRS发送周期内符号间距;
8)参考终端/目标终端的PRS发送带宽;
9)参考终端/目标终端的PRS发送带宽内重复次数;
10)参考终端/目标终端的PRS发送开始时间和持续时间;
11)参考终端/目标终端的配置标识列表;
12)参考终端/目标终端的PRS发送激活指示;即配置的参考终端/目标终端的PRS发送是否需要再通过请求激活。
特别地,参考终端/目标终端的PRS发送是否需要被激活,可以由PRS类型隐式表示,例如周期PRS表示PRS发送不需要被激活,半静态PRS和非周期PRS表示PRS发送需要被激活。
13)Sidelink定位配置请求失败信息;
a.失败原因:Sidelink定位配置请求的参数无法满足;网络不支持定位配置请求;
b.Sidelink定位配置请求无法满足的参数对应的最大/小支持的值。
步骤605-2、目标终端向第一基站发送RRC Reconfig Complete消息。
步骤606-1、目标终端测量参考终端的PRS。
具体地,目标终端根据接收到的第一PRS配置信息和/或第一PRS发送资源,测量参考终端的PRS。
步骤606-2、参考终端测量目标终端的PRS。
具体地,参考终端根据接收到的第一PRS配置信息和/或第一PRS发送资源,测量目标终端的PRS。
需要说明的是,步骤606-2为可选步骤,在图中以虚线框表示。
在选择执行步骤606-2的情况下,需要进行下面的步骤607;
在选择不执行步骤606-2,即在仅执行步骤606-1的情况下,则无需执行步骤607。
特别地,参考终端在进行PRS测量之前,目标终端可以向参考终端发送测量请求,测量请求中可以包括目标终端的PRS配置信息,以请求参考终端测量目标终端的PRS。
还需要说明的是,如果Sidelink定位配置请求响应或Sidelink定位配置中指示了PRS发送需要被激活,则在目标终端/参考终端测量PRS之前,目标终端需要通过MAC CE或UCI请求激活参考终端/目标终端PRS发送。
步骤607、在参考终端测量目标终端的PRS的情况下,参考终端向目标终端发送PRS测量结果。
具体地,参考终端在根据接收到的第一PRS配置信息和/或第一PRS发送资源,测量目标终端的PRS之后,需要向目标终端反馈PRS测量结果。
其中,PRS测量结果可以包括以下一项或多项,但不限于:
1)RSTD测量结果;
2)RTT测量结果;
3)AOA测量结果;
4)AOD测量结果;
5)RSRP。
需要说明的是,由于步骤607为可选步骤,故在图中以虚线箭头表示。
步骤608、目标终端基于PRS测量结果,计算自身定位结果。
具体地,目标终端可以仅基于目标终端测量的参考终端的PRS对应的PRS测量结果,计算自身定位结果;也可以结合目标终端测量的参考终端的PRS对应的PRS测量结果,以及参考终端测量的目标终端的PRS对应的PRS测量结果,计算自身定位结果。
下面以第一网络侧设备为第一基站,第二网络侧设备为第二基站,参考终端与目标终端的服务小区不相同,目标终端的服务小区为第一基站,且参考终端的服务小区为第二基站为例,对本申请实施例提供的定位配置信息请求方法的交互过程进行说明。
处于目标终端服务小区边缘的参考终端,其服务小区可能与目标终端的服务小区不是同一个基站,在这种情况下,基站间需要交互参考终端的配置请求信息。
图7是本申请实施例提供的定位配置信息请求方法的信令交互图之三,如图7所示,该方法包括步骤701至步骤708。
步骤701、目标终端接收来自第一基站的Sidelink定位请求配置。
步骤702、目标终端向第一基站发送Sidelink定位配置请求。
在步骤702之前,可以包括步骤702-0:
步骤702-0、目标终端需要进行Sidelink定位。
步骤703、第一基站基于Sidelink定位配置请求选择参考终端,并确定目标终端和参考终端的PRS配置及关联的Sidelink资源。
步骤704-0、第一基站发送Sidelink配置请求至第二基站。
具体地,第一基站向第二基站发送第二请求,第二请求为Sidelink配置请求。
其中,Sidelink配置请求可以包括以下一项或多项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)目标终端的PRS配置信息;
6)目标终端的配置标识列表;
7)用于请求参考终端的数量的请求;
8)用于请求参考终端的位置信息的请求;
9)用于请求参考终端的标识的请求;
10)用于请求参考终端的PRS配置信息的请求;
11)用于请求参考终端的配置标识列表的请求。
其中,参考终端的PRS配置信息,可以包括以下至少一项:
1)参考终端的PRS发送频点;
2)参考终端的PRS类型;
3)参考终端的PRS发送周期;
4)参考终端的PRS发送周期内符号数;
5)参考终端的PRS发送周期内符号间距;
6)参考终端的PRS发送周期数;
7)参考终端的PRS发送带宽;
8)参考终端的PRS发送带宽内重复次数;
9)参考终端的PRS发送开始时间和持续时间;
10)参考终端的PRS发送频域梳状大小。
其中,目标终端的PRS配置信息,包括以下至少一项:
1)目标终端的PRS发送频点;
2)目标终端的PRS类型;
3)目标终端的PRS发送周期;
4)目标终端的PRS发送周期内符号数;
5)目标终端的PRS发送周期内符号间距;
6)目标终端的PRS发送周期数;
7)目标终端的PRS发送带宽;
8)目标终端的PRS发送带宽内重复次数;
9)目标终端的PRS发送开始时间和持续时间;
10)目标终端的PRS发送频域梳状大小。
步骤704-1’、第二基站发送Sidelink定位配置至参考终端。
步骤704-2’、参考终端向第二基站发送RRC Reconfig Complete消息。
步骤704-3、第二基站向第一基站发送Sidelink配置响应。
具体地,第二基站向第一基站发送第二响应,第二响应Sidelink配置响应。
其中,Sidelink配置响应可以包括以下至少一项:
1)参考终端的位置信息;
2)参考终端的标识;
3)参考终端的PRS配置信息;
4)参考终端的配置标识列表;
5)第二请求对应的失败信息。
具体地,失败信息可以包括以下至少一项:
1)第二请求包括的至少一个参数无法满足;
2)第二请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;
3)第二网络侧设备不支持第二请求。
步骤705-1、第一基站发送Sidelink定位配置请求响应至目标终端。
步骤705-2、目标终端向第一基站发送RRC Reconfig Complete消息。
步骤706-1、目标终端测量参考终端的PRS。
具体地,目标终端根据接收到的第一PRS配置信息和/或第一PRS发送
资源,测量参考终端的PRS。
步骤706-2’、参考终端测量目标终端的PRS。
具体地,参考终端根据接收到的第一PRS配置信息和/或第一PRS发送资源,测量目标终端的PRS。
需要说明的是,步骤706-2’为可选步骤,在图中以虚线框表示。
在选择执行步骤706-2’的情况下,需要进行下面的步骤707’;
在选择不执行步骤706-2’,即在仅执行步骤706-1的情况下,则无需执行步骤707’。
步骤707’、在参考终端测量目标终端的PRS的情况下,参考终端向目标终端发送PRS测量结果。
需要说明的是,由于步骤707’为可选步骤,故在图中以虚线箭头表示。
步骤708、目标终端基于PRS测量结果,计算自身定位结果。
在本申请实施例中,由于目标终端请求的第一PRS配置信息和/或第一PRS发送资源,是目标终端用于进行Sidelink定位的,故接收到的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,目标终端基于满足目标终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
需要说明的是,在参考终端的服务小区是第一基站的情况下,不执行上述步骤704-0、步骤704-1’、步骤704-2’、步骤704-3,而是直接执行步骤704-1和步骤704-2,其中,步骤704-1和步骤704-2与上述步骤604-1和步骤604-2大致相同,另外,也不执行步骤706-2’和步骤707’,而是直接执行步骤706-2和步骤707,其中,步骤706-2和步骤707与上述步骤606-2和步骤607大致相同,在此不再赘述。
本申请实施例提供的定位配置信息请求方法,执行主体可以为定位配置信息请求装置。本申请实施例中以定位配置信息请求装置执行定位配置信息请求方法为例,说明本申请实施例提供的定位配置信息请求装置。
图8是本申请实施例提供的定位配置信息请求装置的结构示意图之一,
如图8所示,该定位配置信息请求装置800,应用于目标终端,包括:
第一发送模块801,用于向第一网络侧设备发送第一请求;第一请求用于请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;
第一接收模块802,用于接收来自第一网络侧设备的第一响应;第一响应中包括第一PRS配置信息和/或第一PRS发送资源。
本申请实施例提供的定位配置信息请求装置中,由于目标终端通过第一发送模块请求的第一PRS配置信息和/或第一PRS发送资源,是目标终端用于进行Sidelink定位的,故第一接收模块接收到的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,目标终端基于满足目标终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
图9是本申请实施例提供的定位配置信息请求装置的结构示意图之二,如图9所示,该定位配置信息请求装置900,应用于第一网络侧设备,包括:
第二接收模块901,用于接收来自目标终端的第一请求;第一请求用于请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;
第二发送模块902,用于基于第一请求,向目标终端发送第一响应;第一响应中包括第一PRS配置信息和/或第一PRS发送资源。
本申请实施例提供的定位配置信息请求方法中,由于第一网络侧设备的第二接收模块接收的第一请求中的第一PRS配置信息和/或第一PRS发送资源,是目标终端请求用于进行Sidelink定位的,故通过第二发送模块向目标终端发送的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,则目标终端基于满足目标终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
图10是本申请实施例提供的定位配置信息请求装置的结构示意图之三,如图10所示,该定位配置信息请求装置1000,应用于第二网络侧设备,包
括:
第三接收模块1001,用于接收来自第一网络侧设备的第二请求;第二请求中包括用于请求第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;
第三发送模块1002,用于基于第二请求,向第一网络侧设备发送第二响应;第二响应中包括第二PRS配置信息和/或第二PRS发送资源。
本申请实施例提供的定位配置信息请求方法,在参考终端的服务小区与目标终端的服务小区不是同一个小区的情况下,第一网络侧设备向参考终端所接入的第二网络侧设备发送第二请求,请求第二网络侧设备配置用于Sidelink定位的第二PRS配置信息和/或第二PRS发送资源,使得目标终端和/或参考终端可以获得满足目标终端Sidelink定位精度需求的PRS配置及Sidelink资源,能够有效提高目标终端Sidelink的定位精度。
本申请实施例中的定位配置信息请求装置可以是电子设备,例如具有操作系统的电子设备,也可以是电子设备中的部件,例如集成电路或芯片。该电子设备可以是终端,也可以为除终端之外的其他设备。示例性的,电子设备可以为手机、平板电脑、笔记本电脑、掌上电脑、车载电子设备、移动上网装置(Mobile Internet Device,MID)、增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)设备、机器人、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer,UMPC)、上网本或者个人数字助理(personal digital assistant,PDA)等,还可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。示例性的,终端可以包括但不限于上述所列举的终端11的类型,其他设备可以为服务器、NAS等,本申请实施例不作具体限定。
本申请实施例中的定位配置信息请求装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的定位配置信息请求装置能够实现图2至图7的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
图11是本申请实施例提供的通信设备的结构示意图,如图11所示,该通信设备1100,包括处理器1101和存储器1102,存储器1102上存储有可在所述处理器1101上运行的程序或指令,例如,该通信设备1100为目标终端时,该程序或指令被处理器1101执行时实现上述目标终端侧定位配置信息请求方法实施例的各个步骤,且能达到相同的技术效果。该通信设备1100为第一网络侧设备时,该程序或指令被处理器1101执行时实现上述第一网络侧设备侧定位配置信息请求方法实施例的各个步骤,且能达到相同的技术效果。该通信设备1100为第二网络侧设备时,该程序或指令被处理器1101执行时实现上述第二网络侧设备侧定位配置信息请求方法实施例的各个步骤,且能达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供一种目标终端,包括处理器和通信接口,通信接口用于向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一定位参考信号PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于旁链路Sidelink定位;通信接口还用于接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。该目标终端实施例与上述目标终端侧方法实施例对应,上述方法实施例的各个实施过程和实现方式均可适用于该目标终端实施例中,且能达到相同的技术效果。
图12是本申请实施例提供的目标终端的结构示意图,如图12所示,该目标终端1200包括但不限于:射频单元1201、网络模块1202、音频输出单元1203、输入单元1204、传感器1205、显示单元1206、用户输入单元1207、接口单元1208、存储器1209以及处理器1210等中的至少部分部件。
本领域技术人员可以理解,目标终端1200还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器1210逻辑相连,从
而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图12中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。
应理解的是,本申请实施例中,输入单元1204可以包括图形处理单元(Graphics Processing Unit,GPU)12041和麦克风12042,图形处理器12041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元1206可包括显示面板12061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板12061。用户输入单元1207包括触控面板12071以及其他输入设备12072中的至少一种。触控面板12071,也称为触摸屏。触控面板12071可包括触摸检测装置和触摸控制器两个部分。其他输入设备12072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元1201接收来自网络侧设备的下行数据后,可以传输给处理器1210进行处理;另外,射频单元1201可以向网络侧设备发送上行数据。通常,射频单元1201包括但不限于天线、放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1209可用于存储软件程序或指令以及各种数据。存储器1209可主要包括存储程序或指令的第一存储区和存储数据的第二存储区,其中,第一存储区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器1209可以包括易失性存储器或非易失性存储器,或者,存储器1209可以包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous
DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synch link DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DRRAM)。本申请实施例中的存储器1209包括但不限于这些和任意其它适合类型的存储器。
处理器1210可包括一个或多个处理单元;可选地,处理器1210集成应用处理器和调制解调处理器,其中,应用处理器主要处理涉及操作系统、用户界面和应用程序等的操作,调制解调处理器主要处理无线通信信号,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器1210中。
其中,射频单元1201,用于向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一定位参考信号PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于旁链路Sidelink定位。
射频单元1201,还用于接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
在本申请实施例中,由于目标终端请求的第一PRS配置信息和/或第一PRS发送资源,是目标终端用于进行Sidelink定位的,故接收到的第一PRS配置信息和/或第一PRS发送资源是满足目标终端的定位需求的,目标终端基于满足目标终端的定位需求的第一PRS配置信息和/或第一PRS发送资源进行定位,可以有效提高目标终端Sidelink的定位精度。
可选地,射频单元1201,还用于在参考终端的PRS发送激活指示用于指示所述参考终端的PRS发送需要被激活的情况下,向所述第一网络侧设备发送第一激活请求;其中,所述第一激活请求用于请求激活所述参考终端的PRS发送;
和/或,
在目标终端的PRS发送激活指示用于指示所述目标终端的PRS发送需
要被激活的情况下,向所述第一网络侧设备发送第二激活请求;其中,所述第二激活请求用于请求激活所述目标终端的PRS发送。
可选地,射频单元1201,还用于在向第一网络侧设备发送第一请求之前,接收来自所述第一网络侧设备的第一指示;所述第一指示用于指示所述第一网络侧设备允许所述目标终端发送所述第一请求。
可选地,射频单元1201,还用于在接收来自所述第一网络侧设备的第一响应之后,基于所述第一响应测量参考终端的PRS,得到第一PRS测量结果;并基于所述第一PRS测量结果,计算所述目标终端的定位结果。
可选地,射频单元1201,还用于接收来自所述参考终端的第二PRS测量结果;所述第二PRS测量结果,是所述参考终端基于所述第一响应测量目标终端的PRS得到的测量结果;并基于所述第一PRS测量结果和所述第二PRS测量结果,计算所述目标终端的定位结果。
本申请实施例还提供一种第一网络侧设备,包括处理器和通信接口,通信接口用于接收来自目标终端的第一请求;所述第一请求用于请求所述第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;通信接口还用于基于所述第一请求,向所述目标终端发送第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。该第一网络侧设备实施例与上述第一网络侧设备方法实施例对应,上述方法实施例的各个实施过程和实现方式均可适用于该第一网络侧设备实施例中,且能达到相同的技术效果。
图13是本申请实施例提供的第一网络侧设备的结构示意图,如图13所示,该第一网络侧设备1300包括:天线1301、射频装置1302、基带装置1303、处理器1304和存储器1305。天线1301与射频装置1302连接。在上行方向上,射频装置1302通过天线1301接收信息,将接收的信息发送给基带装置1303进行处理。在下行方向上,基带装置1303对要发送的信息进行处理,并发送给射频装置1302,射频装置1302对收到的信息进行处理后经过天线1301发送出去。
以上实施例中网络侧设备执行的方法可以在基带装置1303中实现,该基带装置1303包括基带处理器。
基带装置1303例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图13所示,其中一个芯片例如为基带处理器,通过总线接口与存储器1305连接,以调用存储器1305中的程序,执行以上方法实施例中所示的网络设备操作。
该网络侧设备还可以包括网络接口1306,该接口例如为通用公共无线接口(common public radio interface,CPRI)。
具体地,本申请实施例的第一网络侧设备1300还包括:存储在存储器1305上并可在处理器1304上运行的指令或程序,处理器1304调用存储器1305中的指令或程序执行如上所述的定位配置信息请求方法,并达到相同的技术效果,为避免重复,故不在此赘述。
本申请实施例还提供一种第二网络侧设备,包括处理器和通信接口,通信接口用于接收来自第一网络侧设备的第二请求;所述第二请求中包括用于请求所述第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;通信接口还用于基于所述第二请求,向所述第一网络侧设备发送第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。该第二网络侧设备实施例与上述第二网络侧设备方法实施例对应,上述方法实施例的各个实施过程和实现方式均可适用于该第二网络侧设备实施例中,且能达到相同的技术效果。
图14是本申请实施例提供的第二网络侧设备的结构示意图,如图14所示,该第二网络侧设备1400包括:天线1401、射频装置1402、基带装置1403、处理器1404和存储器1405。天线1401与射频装置1402连接。在上行方向上,射频装置1402通过天线1401接收信息,将接收的信息发送给基带装置1403进行处理。在下行方向上,基带装置1403对要发送的信息进行处理,并发送给射频装置1402,射频装置1402对收到的信息进行处理后经过天线1401
发送出去。
以上实施例中网络侧设备执行的方法可以在基带装置1403中实现,该基带装置1403包括基带处理器。
基带装置1403例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图14所示,其中一个芯片例如为基带处理器,通过总线接口与存储器1405连接,以调用存储器1405中的程序,执行以上方法实施例中所示的网络设备操作。
该网络侧设备还可以包括网络接口1406,该接口例如为通用公共无线接口(common public radio interface,CPRI)。
具体地,本申请实施例的第二网络侧设备1400还包括:存储在存储器1405上并可在处理器1404上运行的指令或程序,处理器1404调用存储器1405中的指令或程序执行如上所述的定位配置信息请求方法,并达到相同的技术效果,为避免重复,故不在此赘述。
本申请实施例还提供了一种定位配置信息请求系统,包括:目标终端、第一网络侧设备及第二网络侧设备,所述目标终端可用于执行如上所述的目标终端侧定位配置信息请求方法的步骤,所述第一网络侧设备可用于执行如上所述的第一网络侧设备侧定位配置信息请求方法的步骤,所述第二网络侧设备可用于执行如上所述的第二网络侧设备侧定位配置信息请求方法的步骤。
本申请实施例还提供一种可读存储介质,所述可读存储介质可以是以易失性的,也可以是非易失性的,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述定位配置信息请求方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器ROM、随机存取存储器RAM、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现上述
定位配置信息请求方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现上述定位配置信息请求方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个......”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对相关技术做出贡献的部分可以以计算机软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,
本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。
Claims (42)
- 一种定位配置信息请求方法,包括:目标终端向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一定位参考信号PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于旁链路Sidelink定位;所述目标终端接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
- 根据权利要求1所述的定位配置信息请求方法,其中,所述第一请求包括以下至少一项:目标终端的定位服务质量QoS列表;目标终端的移动状态;目标终端的测量结果;用于请求目标终端的PRS配置信息的请求;用于请求目标终端的配置标识列表的请求;用于请求参考终端的数量的请求;用于请求参考终端的位置信息的请求;用于请求参考终端的标识的请求;用于请求参考终端的PRS配置信息的请求;用于请求参考终端的配置标识列表的请求。
- 根据权利要求1或2所述的定位配置信息请求方法,其中,所述第一PRS配置信息包括以下至少一项:参考终端的位置信息;参考终端的标识;参考终端的PRS配置信息;参考终端的配置标识列表;目标终端的PRS配置信息;目标终端的配置标识列表。
- 根据权利要求1或2所述的定位配置信息请求方法,其中,所述第一PRS发送资源包括以下至少一项:PRS发送资源的带宽;PRS发送资源的初始频点信息;PRS发送资源的起始时间;PRS发送资源的终止时间;PRS发送资源的持续时间;PRS发送资源的周期;PRS发送资源的关联资源池标识。
- 根据权利要求1至4中任一项所述的定位配置信息请求方法,其中,所述第一响应中还包括以下至少一项:参考终端的PRS发送激活指示,用于指示所述参考终端的PRS发送是否需要被激活;目标终端的PRS发送激活指示,用于指示所述目标终端的PRS发送是否需要被激活;所述第一请求对应的失败信息。
- 根据权利要求5所述的定位配置信息请求方法,其中,在参考终端的PRS发送激活指示用于指示所述参考终端的PRS发送需要被激活的情况下,所述方法还包括:所述目标终端向所述第一网络侧设备发送第一激活请求;其中,所述第一激活请求用于请求激活所述参考终端的PRS发送;和/或,在目标终端的PRS发送激活指示用于指示所述目标终端的PRS发送需要被激活的情况下,所述方法还包括:所述目标终端向所述第一网络侧设备发送第二激活请求;其中,所述第二激活请求用于请求激活所述目标终端的PRS发送。
- 根据权利要求6所述的定位配置信息请求方法,其中,所述激活请求包括媒体接入控制单元MAC CE或上行控制信息UCI。
- 根据权利要求5所述的定位配置信息请求方法,其中,所述失败信息包括以下至少一项:所述第一请求包括的至少一个参数无法满足;所述第一请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;所述第一网络侧设备不支持所述第一请求。
- 根据权利要求1至8任一项所述的定位配置信息请求方法,其中,所述目标终端向第一网络侧设备发送第一请求之前,所述方法还包括:所述目标终端接收来自所述第一网络侧设备的第一指示;所述第一指示用于指示所述第一网络侧设备允许所述目标终端发送所述第一请求。
- 根据权利要求9所述的定位配置信息请求方法,其中,所述第一指示包括以下至少一项:允许目标终端发送第一请求;第一计时器的时长;可请求配置的参考终端的数量;可请求配置的参考终端的PRS配置信息;可请求配置的参考终端的配置列表;所述参考终端的配置列表包括:参考终端的配置标识,和/或参考终端的PRS配置信息;可请求配置的目标终端的PRS配置信息;可请求配置的目标终端的配置列表;所述目标终端的配置列表包括:目标终端的配置标识,和/或目标终端的PRS配置信息。
- 根据权利要求9或10所述的定位配置信息请求方法,其中,所述第一指示承载于广播消息或专用消息中。
- 根据权利要求1至11任一项所述的定位配置信息请求方法,其中,所述参考终端的PRS配置信息,包括以下至少一项:参考终端的PRS发送频点;参考终端的PRS类型;参考终端的PRS发送周期;参考终端的PRS发送周期内符号数;参考终端的PRS发送周期内符号间距;参考终端的PRS发送周期数;参考终端的PRS发送带宽;参考终端的PRS发送带宽内重复次数;参考终端的PRS发送开始时间和持续时间;参考终端的PRS发送频域梳状大小。
- 根据权利要求1至12任一项所述的定位配置信息请求方法,其中,所述目标终端的PRS配置信息,包括以下至少一项:目标终端的PRS发送频点;目标终端的PRS类型;目标终端的PRS发送周期;目标终端的PRS发送周期内符号数;目标终端的PRS发送周期内符号间距;目标终端的PRS发送周期数;目标终端的PRS发送带宽;目标终端的PRS发送带宽内重复次数;目标终端的PRS发送开始时间和持续时间;目标终端的PRS发送频域梳状大小。
- 根据权利要求1至13任一项所述的定位配置信息请求方法,其中,在所述目标终端接收来自所述第一网络侧设备的第一响应之后,所述方法还包括:所述目标终端基于所述第一响应测量参考终端的PRS,得到第一PRS测量结果;所述目标终端基于所述第一PRS测量结果,计算所述目标终端的定位结果。
- 根据权利要求14所述的定位配置信息请求方法,其中,所述方法还包括:所述目标终端接收来自所述参考终端的第二PRS测量结果;所述第二PRS测量结果,是所述参考终端基于所述第一响应测量目标终端的PRS得到的测量结果;所述目标终端基于所述第一PRS测量结果,计算所述目标终端的定位结果,包括:所述目标终端基于所述第一PRS测量结果和所述第二PRS测量结果,计算所述目标终端的定位结果。
- 一种定位配置信息请求方法,包括:第一网络侧设备接收来自目标终端的第一请求;所述第一请求用于请求所述第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;所述第一网络侧设备基于所述第一请求,向所述目标终端发送第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
- 根据权利要求16所述的定位配置信息请求方法,其中,所述第一请求包括以下至少一项:目标终端的定位服务质量QoS列表;目标终端的移动状态;目标终端的测量结果;用于请求目标终端的PRS配置信息的请求;用于请求目标终端的配置标识列表的请求;用于请求参考终端的数量的请求;用于请求参考终端的位置信息的请求;用于请求参考终端的标识的请求;用于请求参考终端的PRS配置信息的请求;用于请求参考终端的配置标识列表的请求。
- 根据权利要求16或17所述的定位配置信息请求方法,其中,所述第一PRS配置信息包括以下至少一项:参考终端的位置信息;参考终端的标识;参考终端的PRS配置信息;参考终端的配置标识列表;目标终端的PRS配置信息;目标终端的配置标识列表。
- 根据权利要求16或17所述的定位配置信息请求方法,其中,所述第一PRS发送资源包括以下至少一项:PRS发送资源的带宽;PRS发送资源的初始频点信息;PRS发送资源的起始时间;PRS发送资源的终止时间;PRS发送资源的持续时间;PRS发送资源的周期;PRS发送资源的关联资源池标识。
- 根据权利要求16至19任一项所述的定位配置信息请求方法,其中,所述第一响应中还包括以下至少一项:参考终端的PRS发送激活指示,用于指示所述参考终端的PRS发送是否需要被激活;目标终端的PRS发送激活指示,用于指示所述目标终端的PRS发送是否需要被激活;所述第一请求对应的失败信息。
- 根据权利要求20所述的定位配置信息请求方法,其中,所述失败信 息包括以下至少一项:所述第一请求包括的至少一个参数无法满足;所述第一请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;所述第一网络侧设备不支持所述第一请求。
- 根据权利要求16至21任一项所述的定位配置信息请求方法,其中,在所述第一网络侧设备接收来自目标终端的第一请求之前,所述方法还包括:所述第一网络侧设备向所述目标终端发送第一指示;所述第一指示用于指示所述第一网络侧设备允许所述目标终端发送所述第一请求。
- 根据权利要求22任一项所述的定位配置信息请求方法,其中,所述第一指示包括以下至少一项:允许目标终端发送第一请求;第一计时器的时长;可请求配置的参考终端的数量;可请求配置的参考终端的PRS配置信息;可请求配置的参考终端的配置列表;所述参考终端的配置列表包括:参考终端的配置标识,和/或参考终端的PRS配置信息;可请求配置的目标终端的PRS配置信息;可请求配置的目标终端的配置列表;所述目标终端的配置列表包括:目标终端的配置标识,和/或目标终端的PRS配置信息。
- 根据权利要求22或23任一项所述的定位配置信息请求方法,其中,所述第一指示承载于广播消息或专用消息中。
- 根据权利要求16至24任一项所述的定位配置信息请求方法,其中,所述参考终端的PRS配置信息,包括以下至少一项:参考终端的PRS发送频点;参考终端的PRS类型;参考终端的PRS发送周期;参考终端的PRS发送周期内符号数;参考终端的PRS发送周期内符号间距;参考终端的PRS发送周期数;参考终端的PRS发送带宽;参考终端的PRS发送带宽内重复次数;参考终端的PRS发送开始时间和持续时间;参考终端的PRS发送频域梳状大小。
- 根据权利要求16至25任一项所述的定位配置信息请求方法,其中,所述目标终端的PRS配置信息,包括以下至少一项:目标终端的PRS发送频点;目标终端的PRS类型;目标终端的PRS发送周期;目标终端的PRS发送周期内符号数;目标终端的PRS发送周期内符号间距;目标终端的PRS发送周期数;目标终端的PRS发送带宽;目标终端的PRS发送带宽内重复次数;目标终端的PRS发送开始时间和持续时间;目标终端的PRS发送频域梳状大小。
- 根据权利要求16至26中任一项所述的定位配置信息请求方法,其中,在所述第一网络侧设备基于所述第一请求,确定所述第一PRS配置信息和/或所述第一PRS发送资源之后,所述方法还包括:所述第一网络侧设备向参考终端发送第一配置;所述第一配置中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
- 根据权利要求16至26中任一项所述的定位配置信息请求方法,其中,在所述第一网络侧设备基于所述第一请求,确定所述第一PRS配置信息和/或所述第一PRS发送资源之后,所述方法还包括:在参考终端与所述目标终端的服务小区不同的情况下,所述第一网络侧设备向所述参考终端所接入的第二网络侧设备发送第二请求;所述第二请求中包括用于请求所述第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;所述第一网络侧设备接收来自所述第二网络侧设备的第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。
- 一种定位配置信息请求方法,包括:第二网络侧设备接收来自第一网络侧设备的第二请求;所述第二请求中包括用于请求所述第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;所述第二网络侧设备基于所述第二请求,向所述第一网络侧设备发送第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。
- 根据权利要求29所述的定位配置信息请求方法,其中,所述第二请求包括以下至少一项:参考终端的位置信息;参考终端的标识;参考终端的PRS配置信息;参考终端的配置标识列表;目标终端的PRS配置信息;目标终端的配置标识列表;用于请求参考终端的数量的请求;用于请求参考终端的位置信息的请求;用于请求参考终端的标识的请求;用于请求参考终端的PRS配置信息的请求;用于请求参考终端的配置标识列表的请求。
- 根据权利要求29或30所述的定位配置信息请求方法,其中,所述第二PRS配置信息包括以下至少一项:参考终端的位置信息;参考终端的标识;参考终端的PRS配置信息;参考终端的配置标识列表;所述第二请求对应的失败信息。
- 根据权利要求29或30所述的定位配置信息请求方法,其中,所述第二PRS发送资源包括以下至少一项:PRS发送资源的带宽;PRS发送资源的初始频点信息;PRS发送资源的起始时间;PRS发送资源的终止时间;PRS发送资源的持续时间;PRS发送资源的周期;PRS发送资源的关联资源池标识。
- 根据权利要求31所述的定位配置信息请求方法,其中,所述失败信息包括以下至少一项:所述第二请求包括的至少一个参数无法满足;所述第二请求包括的至少一个参数无法满足,及无法满足的参数的允许取值范围;所述第二网络侧设备不支持所述第二请求。
- 根据权利要求29至33任一项所述的定位配置信息请求方法,其中,所述参考终端的PRS配置信息,包括以下至少一项:参考终端的PRS发送频点;参考终端的PRS类型;参考终端的PRS发送周期;参考终端的PRS发送周期内符号数;参考终端的PRS发送周期内符号间距;参考终端的PRS发送周期数;参考终端的PRS发送带宽;参考终端的PRS发送带宽内重复次数;参考终端的PRS发送开始时间和持续时间;参考终端的PRS发送频域梳状大小。
- 根据权利要求29至34任一项所述的定位配置信息请求方法,其中,所述目标终端的PRS配置信息,包括以下至少一项:目标终端的PRS发送频点;目标终端的PRS类型;目标终端的PRS发送周期;目标终端的PRS发送周期内符号数;目标终端的PRS发送周期内符号间距;目标终端的PRS发送周期数;目标终端的PRS发送带宽;目标终端的PRS发送带宽内重复次数;目标终端的PRS发送开始时间和持续时间;目标终端的PRS发送频域梳状大小。
- 一种定位配置信息请求装置,包括:第一发送模块,用于向第一网络侧设备发送第一请求;所述第一请求用于请求所述第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;第一接收模块,用于接收来自所述第一网络侧设备的第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
- 一种定位配置信息请求装置,包括:第二接收模块,用于接收来自目标终端的第一请求;所述第一请求用于 请求第一网络侧设备配置第一PRS配置信息和/或第一PRS发送资源;所述第一PRS配置信息和/或第一PRS发送资源用于Sidelink定位;第二发送模块,用于基于所述第一请求,向所述目标终端发送第一响应;所述第一响应中包括所述第一PRS配置信息和/或所述第一PRS发送资源。
- 一种定位配置信息请求装置,包括:第三接收模块,用于接收来自第一网络侧设备的第二请求;所述第二请求中包括用于请求第二网络侧设备配置第二PRS配置信息和/或第二PRS发送资源;所述第二PRS配置信息和/或第二PRS发送资源用于Sidelink定位;第三发送模块,用于基于所述第二请求,向所述第一网络侧设备发送第二响应;所述第二响应中包括所述第二PRS配置信息和/或所述第二PRS发送资源。
- 一种目标终端,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至15任一项所述的定位配置信息请求方法的步骤。
- 一种第一网络侧设备,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求16至28任一项所述的定位配置信息请求方法的步骤。
- 一种第二网络侧设备,包括处理器和存储器,所述存储器存储可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求29至35任一项所述的定位配置信息请求方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至15任一项所述的定位配置信息请求方法,或者实现如权利要求16至28任一项所述的定位配置信息请求方法,或者实现如权利要求29至35任一项所述的定位配置信息请求方法的步骤。
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