WO2022205142A1 - 配置上行定位参考信号资源的方法及装置 - Google Patents
配置上行定位参考信号资源的方法及装置 Download PDFInfo
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- WO2022205142A1 WO2022205142A1 PCT/CN2021/084603 CN2021084603W WO2022205142A1 WO 2022205142 A1 WO2022205142 A1 WO 2022205142A1 CN 2021084603 W CN2021084603 W CN 2021084603W WO 2022205142 A1 WO2022205142 A1 WO 2022205142A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Definitions
- the present application provides a method and apparatus for configuring uplink positioning reference signal resources, so as to reduce the measurement error of uplink positioning and improve positioning accuracy.
- the first information indicates that multiple uplink positioning reference signal resources are available or unavailable, and the first uplink positioning reference signal resource is one of the multiple uplink positioning reference signal resources. any one of .
- the network device can perform configuration based on the available resources among the multiple uplink positioning reference signal resources indicated by the LMF, simplify configuration selection, and quickly configure the uplink positioning reference signal resources for the terminal device.
- the first information indicates the first uplink positioning reference signal resource.
- the reference signal resource is unavailable; or, if the first uplink positioning reference signal resource is not occupied, the first information indicates that the first uplink positioning reference signal resource is available. Determining uplink positioning reference signal resources occupied by other terminal equipments as unavailable resources can avoid resource conflict between terminal equipments, thereby avoiding measurement errors and improving positioning accuracy.
- the first information includes configuration information of the first uplink positioning reference signal resource, and the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the LMF indicates the unavailable resources to the network device, and the auxiliary network device configures resources for the terminal device to avoid these unavailable resources.
- the first information when the first information includes an available identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is available; the first uplink positioning reference signal resource is available; When the information does not include the availability identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the available identifier is used to mark that the resource is available, the instruction is simple, the amount of information is less, and the signaling overhead can be reduced.
- the present application provides a method for configuring uplink positioning reference signal resources, comprising: a location management function network element LMF sending first information to a first network device, the first information indicating that the first uplink positioning reference signal resources are available Or the first uplink positioning reference signal resource is unavailable, and the first information is used to determine the uplink positioning reference signal resource occupied by the first terminal device.
- the LMF indicates to the network equipment that the uplink positioning reference signal resources are available or unavailable, and assists the network equipment to configure the uplink positioning reference signal resources of the terminal equipment, so as to avoid measurement errors caused by resource conflicts and improve positioning accuracy.
- the location management function network element LMF sending the first information to the first network device includes: the LMF sending a first message to the first network device, the first message It is used to request the first network device to configure uplink positioning reference signal resources for the first terminal device, and the first message carries the first information.
- the LMF carries the first information when requesting the network device to configure uplink positioning reference signal resources for the terminal device, without adding additional signaling overhead.
- the method before the location management function network element LMF sends the first information to the first network device, the method further includes: the LMF receives the second information from the first network device information, the second information indicates a second uplink positioning reference signal resource, the second uplink positioning reference signal resource is the uplink positioning reference signal resource that the first network device wishes to configure for the first terminal device, the The second uplink positioning reference signal resources include the first uplink positioning reference signal resources.
- the first information includes configuration information of the first uplink positioning reference signal resource, and the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the LMF indicates the unavailable resources to the network device, and the auxiliary network device configures resources for the terminal device to avoid these unavailable resources.
- the first information when the first information includes an available identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is available; the first uplink positioning reference signal resource is available; When the information does not include the availability identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the available identifier is used to mark that the resource is available, the instruction is simple, the amount of information is less, and the signaling overhead can be reduced.
- the LMF collects the uplink positioning reference signal resources of multiple network devices in advance, and the LMF can determine whether the uplink positioning reference signal resources are available or unavailable, and then the LMF is responsible for configuring the uplink positioning reference signal resources of the terminal equipment, so as to avoid resource The measurement error caused by the conflict can improve the positioning accuracy.
- the uplink positioning reference signal resources configured for the terminal device are a subset of the uplink positioning reference signal resources of the multiple network devices.
- the method before the location management function network element LMF receives the third message from multiple network devices, the method further includes: the LMF sends a fifth message to the multiple network devices, The fifth message is used to request uplink positioning reference signal resources of the network device.
- At least one network device in the plurality of network devices is located in an overlapping area of the first area and the second area.
- the LMF configures the uplink positioning reference signal resources for the terminal equipment, which can ensure that when the logical cells overlap or partially overlap, the two terminal equipment will not occupy the same uplink positioning reference signal resources, which can improve the accuracy of uplink measurement and ensure the accuracy of uplink positioning. .
- the network device used for locating the terminal device is located in an area corresponding to the terminal device; or, the network device used for locating the terminal device is located in an area corresponding to the terminal device; There is at least one network device that is not located in the area corresponding to the terminal device.
- the present application provides a method for configuring uplink positioning reference signal resources, comprising: a terminal device receiving a fourth message from a location management function network element LMF, where the fourth message includes uplink positioning configured for the terminal device Configuration information of reference signal resources, where the uplink positioning reference signal resources are a subset of uplink positioning reference signal resources of multiple network devices.
- the LMF collects the uplink positioning reference signal resources of multiple network devices in advance, and the LMF can determine whether the uplink positioning reference signal resources are available or unavailable, and then the LMF is responsible for configuring the uplink positioning reference signal resources of the terminal equipment, so as to avoid resource The measurement error caused by the conflict can improve the positioning accuracy.
- the present application provides an apparatus for configuring uplink positioning reference signal resources, comprising: a communication module configured to receive first information sent from a location management function network element LMF, where the first information indicates the first uplink The positioning reference signal resource is available or the first uplink positioning reference signal resource is unavailable; the processing module is configured to generate, according to the first information, the configuration information of the uplink positioning reference signal resource, the configuration information of the uplink positioning reference signal resource is configured to configure uplink positioning reference signal resources for the first terminal device; the communication module is further configured to send configuration information of the uplink positioning reference signal resources.
- the LMF indicates to the network equipment that the uplink positioning reference signal resources are available or unavailable, and assists the network equipment to configure the uplink positioning reference signal resources of the terminal equipment, so as to avoid measurement errors caused by resource conflicts and improve positioning accuracy.
- the apparatus for configuring uplink positioning reference signal resources provided in the fifth aspect may be a network device, such as a first network device.
- the first information indicates that multiple uplink positioning reference signal resources are available or unavailable, and the first uplink positioning reference signal resource is one of the multiple uplink positioning reference signal resources. anyone.
- the network device can perform configuration based on the available resources among the multiple uplink positioning reference signal resources indicated by the LMF, simplify configuration selection, and quickly configure the uplink positioning reference signal resources for the terminal device.
- the communication module is specifically configured to: receive a first message from the LMF, where the first message is used to request the apparatus to configure uplink positioning for the first terminal device With reference to signal resources, the first message carries the first information.
- the LMF carries the first information when requesting the network device to configure uplink positioning reference signal resources for the terminal device, without adding additional signaling overhead.
- the communication module is further configured to: before receiving the first information sent from the location management function network element LMF, send second information to the LMF, where the second information indicates the second uplink positioning reference signal resource, the second uplink positioning reference signal resource is the uplink positioning reference signal resource that the apparatus device wishes to configure for the first terminal equipment, and the second uplink positioning reference signal resource includes the The first uplink positioning reference signal resource.
- the network device When configuring the uplink positioning reference signal resources of the terminal equipment, the network device first asks the LMF whether the resources it wants to configure are available, and then configures the available resources, which can avoid measurement errors caused by resource conflicts and improve positioning accuracy.
- the first information indicates the first uplink positioning reference signal resource.
- the reference signal resource is unavailable; or, if the first uplink positioning reference signal resource is not occupied, the first information indicates that the first uplink positioning reference signal resource is available. Determining uplink positioning reference signal resources occupied by other terminal equipments as unavailable resources can avoid resource conflict between terminal equipments, thereby avoiding measurement errors and improving positioning accuracy.
- the first information includes configuration information of the first uplink positioning reference signal resource and a first identifier associated with the configuration information; wherein the first identifier is the first identifier
- the first value is a value
- the first information indicates that the first uplink positioning reference signal resource is available
- the first identifier is a second value
- the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the value of the identifier is used to indicate whether the resource is available or unavailable, the instruction is simple, the amount of information is small, and the signaling overhead can be reduced.
- the first information when the first information includes an available identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is available; the first uplink positioning reference signal resource is available; When the information does not include the availability identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the available identifier is used to mark that the resource is available, the instruction is simple, the amount of information is less, and the signaling overhead can be reduced.
- the present application provides an apparatus for configuring uplink positioning reference signal resources, comprising: a processing module configured to determine first information, the first information indicating that the first uplink positioning reference signal resources are available or the first An uplink positioning reference signal resource is unavailable, and the first information is used to determine the uplink positioning reference signal resource occupied by the first terminal device.
- a communication module configured to send the first information to the first network device.
- the first information includes configuration information of the first uplink positioning reference signal resource and a first identifier associated with the configuration information; wherein the first identifier is the first identifier
- the first value is a value
- the first information indicates that the first uplink positioning reference signal resource is available
- the first identifier is a second value
- the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the value of the identifier is used to indicate whether the resource is available or unavailable, the instruction is simple, the amount of information is small, and the signaling overhead can be reduced.
- the first information includes configuration information of the first uplink positioning reference signal resource, and the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the LMF indicates the unavailable resources to the network device, and the auxiliary network device configures resources for the terminal device to avoid these unavailable resources.
- the first information when the first information includes an available identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is available; the first uplink positioning reference signal resource is available; When the information does not include the availability identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the available identifier is used to mark that the resource is available, the instruction is simple, the amount of information is less, and the signaling overhead can be reduced.
- the present application provides an apparatus for configuring uplink reference signal resources, comprising: a communication module configured to receive a third message from multiple network devices, wherein the third message of each network device indicates the The uplink positioning reference signal resources of the network device; the processing module is configured to determine the uplink positioning reference signal resources configured for the terminal device; the communication module is further configured to send a fourth message to the terminal device, where the fourth message includes Configuration information of uplink positioning reference signal resources configured for the terminal device.
- the LMF collects the uplink positioning reference signal resources of multiple network devices in advance, and the LMF can determine whether the uplink positioning reference signal resources are available or unavailable, and then the LMF is responsible for configuring the uplink positioning reference signal resources of the terminal equipment, so as to avoid resource The measurement error caused by the conflict can improve the positioning accuracy.
- the apparatus for configuring uplink positioning reference signal resources provided in the seventh aspect may be a positioning management device, such as a location management function network element LMF.
- the uplink positioning reference signal resources configured for the terminal device are a subset of the uplink positioning reference signal resources of the multiple network devices.
- the communication module is further configured to: before receiving the third message from the multiple network devices, send a fifth message to the multiple network devices, the fifth message using for requesting uplink positioning reference signal resources of the network device.
- a first part of network devices in the plurality of network devices is located in a first area, and a second part of network devices in the plurality of network devices is located in a second area.
- At least one network device in the plurality of network devices is located in an overlapping area of the first area and the second area.
- the LMF configures the uplink positioning reference signal resources for the terminal equipment, which can ensure that when the logical cells overlap or partially overlap, the two terminal equipment will not occupy the same uplink positioning reference signal resources, which can improve the accuracy of uplink measurement and ensure the accuracy of uplink positioning. .
- the communication module is further configured to: send a positioning measurement request to a network device for locating the terminal device, where the positioning measurement request includes a configuration configured for the terminal device Configuration information of uplink positioning reference signal resources.
- the network device used for locating the terminal device is located in an area corresponding to the terminal device; or, the network device used for locating the terminal device is located in an area corresponding to the terminal device; There is at least one network device that is not located in the area corresponding to the terminal device.
- the present application provides an apparatus for configuring uplink positioning reference signal resources, comprising: a communication module, configured to receive a fourth message from a location management function network element LMF, where the fourth message includes information for the terminal Configuration information of uplink positioning reference signal resources configured by the device, where the uplink positioning reference signal resources are a subset of uplink positioning reference signal resources of multiple network devices.
- the processing module is configured to determine the resource for sending the uplink positioning reference signal according to the configuration information of the uplink positioning reference signal resource.
- the communication module is further configured to send the uplink positioning reference signal according to the resource for sending the uplink positioning reference signal.
- the communication module can also be called a transceiver module, and the communication module can also be divided into a receiving module and a sending module.
- the receiving module implements the receiving function, such as receiving the fourth message from the location management function network element LMF;
- the sending module implements the sending function, such as Send uplink positioning reference signals.
- the LMF collects the uplink positioning reference signal resources of multiple network devices in advance, and the LMF can determine whether the uplink positioning reference signal resources are available or unavailable, and then the LMF is responsible for configuring the uplink positioning reference signal resources of the terminal equipment, so as to avoid resource The measurement error caused by the conflict can improve the positioning accuracy.
- the present application provides a communication device, comprising a processor, wherein the processor is coupled with a memory, the memory is used for storing a computer program or instruction, and the processor is used for executing the computer program or instruction to execute Each implementation method of any one of the first aspect to the fourth aspect above.
- the memory may be located within the device or external to the device.
- the number of the processors is one or more.
- the present application provides a communication device, comprising: a logic circuit and an input-output interface, wherein the input-output interface is used for inputting first information sent from a location management function network element LMF, the first information indicating the first information An uplink positioning reference signal resource is available or the first uplink positioning reference signal resource is unavailable; the logic circuit is configured to generate configuration information of the uplink positioning reference signal resource according to the first information, the uplink positioning reference signal The resource configuration information is used to configure the uplink positioning reference signal resource for the first terminal device; the input and output interface is further configured to output the configuration information of the uplink positioning reference signal resource to the first terminal device.
- the present application provides a communication device, comprising: a logic circuit and an input and output interface, the logic circuit is configured to determine first information, the first information indicating that the first uplink positioning reference signal resource is available or all The first uplink positioning reference signal resource is unavailable, and the first information is used to determine the uplink positioning reference signal resource occupied by the first terminal device.
- the input and output interface is used for outputting the first information to the first network device.
- the present application provides a communication device, comprising: a logic circuit and an input-output interface, the input-output interface is used to input a third message from a plurality of network devices, the third message of each network device is The message indicates the uplink positioning reference signal resource of the network device; the logic circuit is configured to determine the uplink positioning reference signal resource configured for the terminal device; the input and output interface is further configured to output a fourth message to the terminal device , the fourth message includes configuration information of uplink positioning reference signal resources configured for the terminal device.
- the present application provides a communication system, comprising: a network device for implementing the implementation methods of the first aspect, a location management function network element LMF for implementing the implementation methods of the second aspect and the third aspect , and a terminal device for executing the implementation methods of the fourth aspect.
- the present application further provides a chip system, including: a processor configured to execute each implementation method of any one of the first to fourth aspects.
- the present application further provides a computer program product, the computer product includes a computer program, and when the computer program runs, each implementation method of any one of the above-mentioned first to fourth aspects is executed.
- the present application further provides a computer-readable storage medium, where computer programs or instructions are stored in the computer-readable storage medium, and when the instructions are executed on a computer, the above-mentioned first to fourth aspects are implemented Various implementations of any of the aspects.
- Fig. 1 is a kind of schematic flow chart of UL-TODA positioning
- FIG. 2 is a schematic diagram of logical cell division according to an embodiment of the present application.
- FIG. 3 is a schematic diagram of a network architecture of a communication system provided by an embodiment of the present application.
- FIG. 4 is one of the schematic flowcharts of a method for configuring positioning reference signal resources provided by an embodiment of the present application
- FIG. 5 is one of the schematic diagrams of the positioning process provided by the embodiment of the present application.
- FIG. 6 is a second schematic flowchart of a method for configuring positioning reference signal resources provided by an embodiment of the present application.
- FIG. 7 is the second schematic diagram of the positioning process provided by the embodiment of the present application.
- FIG. 8 is a third schematic flowchart of a method for configuring positioning reference signal resources according to an embodiment of the present application.
- FIG. 9 is a third schematic diagram of a positioning process provided by an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of an apparatus for configuring positioning reference signal resources according to an embodiment of the present application.
- FIG. 12 is a second schematic structural diagram of a communication apparatus provided by an embodiment of the present application.
- the embodiments of the present application may be applied to wireless communication networks, such as 4G networks (eg, LTE), 5G networks, or future networks, etc.
- 4G networks eg, LTE
- 5G networks eg., LTE
- future networks etc.
- Terminal equipment may also be referred to as user equipment (UE), access terminal, terminal unit, end station, mobile station, mobile station, remote station, remote terminal, mobile device, mobile terminal, terminal, wireless communication device, terminal agent or terminal device, etc.
- the terminal device includes a handheld device with a wireless communication function, a vehicle-mounted device, a wearable device or a computing device.
- the terminal device may be a mobile phone (mobile phone), a tablet computer or a computer with a wireless transceiver function.
- the terminal device may also be a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, intelligent Wireless terminals in power grids, wireless terminals in smart cities, wireless terminals in smart homes, and so on.
- VR virtual reality
- AR augmented reality
- wireless terminal in industrial control a wireless terminal in unmanned driving
- wireless terminal in telemedicine intelligent Wireless terminals in power grids, wireless terminals in smart cities, wireless terminals in smart homes, and so on.
- the core network involved in the embodiments of this application may include core network equipment that processes and forwards user signaling and data.
- core network equipment such as access and mobility management function (AMF), session management function (session management function, SMF), and core network equipment such as user plane gateway and positioning management equipment.
- the user plane gateway can be a server with functions such as mobility management, routing, and forwarding of user plane data, and is generally located on the network side, such as serving gateway (serving gateway, SGW) or packet data network gateway (packet data network gateway, PGW) ) or user plane function entity (user plane function, UPF), etc.
- AMF and SMF are equivalent to mobility management entities (mobility management entities, MMEs) in the LTE system.
- AMF is mainly responsible for access
- SMF is mainly responsible for session management.
- the core network may also include other network elements, which are not listed here.
- the positioning management device has a positioning function and may also be called a positioning server.
- the location management device involved in the embodiments of the present application may include a location management function (location management function, LMF) or a location management component (location management component, LMC), or may be a local location management function (local location management function) located in a network device , LLMF), which is not limited in the embodiments of the present application.
- LMF location management function
- LMC location management component
- LMF local location management function located in a network device
- LLMF local location management function
- the logical cell involved in the embodiments of the present application may also be referred to as a user-centric positioning area (UE-Centric Positioning Area, UCPA), or may be referred to as a positioning area (Positioning Area, PA).
- UE-Centric Positioning Area UCPA
- a positioning area a positioning area
- the logical cell corresponding to the terminal device may be configured by a network device (ie, serving base station) that provides services for the terminal device, or the logical cell corresponding to the terminal device may also be configured by a positioning management device (such as an LMF) configuration.
- the cells included in the logical cell corresponding to one terminal device may be determined by the movement range of the terminal device, and some of the logical cells corresponding to different terminal devices may overlap.
- the serving base station or the LMF may combine the cell where the terminal device is located, that is, the serving cell and multiple cells adjacent to the serving cell into a virtualized logical cell; optionally, the logical cell may also be an administrative area.
- the positioning management device may acquire the current location information of the terminal device, and determine the administrative area where the terminal device is located as the positioning area according to the location information; optionally, the positioning management device may use the cells managed by the first network device and the adjacent network device as logical cell. When the terminal equipment moves between cells in a logical cell, it is not necessary to release and reconfigure SRS resources.
- the uplink positioning reference signal in the embodiment of the present application is used for uplink measurement, and the result of the uplink measurement can be used to estimate the position of the terminal equipment to realize uplink positioning.
- the uplink positioning reference signal may be a sounding reference signal (sounding reference signal, SRS), or other reference signals that can be used for uplink measurement. This embodiment of the present application does not limit this.
- the multiple involved in the embodiments of the present application refers to two or more.
- "And/or" which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone.
- the character "/" generally indicates that the associated objects are an "or” relationship.
- first, second, etc. may be used to describe various objects in the embodiments of the present invention, these objects should not be limited by these terms. These terms are only used to distinguish each object from one another.
- FIG. 1 a flow of uplink-time difference of arrival (UL-TODA) positioning in a 5G system is illustrated, which mainly includes the following steps:
- the LMF obtains necessary information of the gNB participating in the positioning, wherein the gNB may also be called a transmission reception point (transmission reception point, TRP).
- the LMF obtains the necessary information of the gNB participating in the positioning, which can be the exchange of TRP configuration information (TRP Configuration Information).
- the gNB participating in the positioning includes a serving base station (serving gNB/TRP) of the UE, and at least one other base station, such as a base station adjacent to the serving base station (neighour gNB/TRP).
- serving gNB/TRP serving base station
- neighborhour gNB/TRP neighborhour gNB/TRP
- FIG. 1 illustrates two gNB2s.
- capability transfer between the LMF and the UE mainly includes: the LMF inquires the UE for the capability through the LTE positioning protocol (LTE positioning Protocol, LPP), and the UE reports the capability to the LMF through the LPP.
- LTE positioning Protocol LTE positioning Protocol
- the LMF may send a request capability (Request capabilities) message to the UE.
- the request capability message is used to request the positioning capability of the UE.
- the UE may send the positioning capability information to the LMF through a Provide capability message.
- the above-mentioned positioning capability information may include the positioning technology supported by the UE. For example, UL-RTOA is supported.
- the LMF requests the serving base station to configure the SRS for the UE by sending an NR positioning protocol annex (NRPPa) message, such as a positioning information request (positioning information request) message.
- NRPPa NR positioning protocol annex
- the serving base station reports the SRS configuration information to the LMF by sending an NRPPa message, such as a positioning information response (positioning information response) message.
- an NRPPa message such as a positioning information response (positioning information response) message.
- the LMF sends an NRPPa message, such as a measurement request (measurement request) message, to the gNB participating in the positioning, and the measurement request contains all the information required for the gNBs/TRPs participating in the positioning to implement uplink measurement, such as the configuration of SRS resources.
- a measurement request measurement request
- uplink measurement such as the configuration of SRS resources.
- the serving base station of UE1 allocates SRS resource #1 to UE1, then UE1 sends SRS in PA1 according to the allocated SRS resource #1. If the serving base station of UE2 allocates SRS resource #1 to UE2, UE2 sends SRS in PA2 according to the allocated SRS resource #1. Then, the base station in the overlapping part of PA1 and PA2 will not be able to distinguish UE1 and UE2 when performing uplink measurement, which will result in measurement error and cannot meet the requirement of high-precision positioning.
- an embodiment of the present application provides a method for configuring uplink positioning reference signal resources, which avoids uplink measurement errors by changing the resource configuration mode, thereby improving the accuracy of uplink positioning.
- the method for configuring uplink positioning reference signal resources provided in the embodiments of the present application can be applied to various communication systems, such as: long term evolution (LTE) system, fifth generation (5th generation, 5G) system, such as NR, and Next-generation communication systems, such as 6G systems, etc.
- LTE long term evolution
- 5th generation, 5G fifth generation
- Next-generation communication systems such as 6G systems, etc.
- the technical solutions in the embodiments of the present application can also be applied to other communication systems, as long as the communication system has an uplink positioning requirement for the terminal.
- the communication system may also be applicable to future-oriented communication technologies.
- the systems described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute any technical solutions provided by the embodiments of the present application. Limitations, those of ordinary skill in the art know that with the evolution of the network architecture, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
- FIG. 3 shows the network architecture of a communication system to which the embodiments of the present application are applied
- FIG. 3 is a schematic diagram of the positioning architecture in the NG-RAN specified by the protocol TS38.305V16.2.0.
- the involved network The element/module mainly includes three parts: next generation radio access network (NG RAN), terminal and core network.
- NG RAN next generation radio access network
- the core network includes a location management function (LMF), an access and mobility management function (AMF), a service location protocol (service location protocol, SLP), and an evolved service mobile location center ( One or more of evolved serving mobile location centre, E-SMLC).
- LMF location management function
- AMF access and mobility management function
- SLP service location protocol
- E-SMLC evolved serving mobile location center
- LMF location management function
- SLP service location protocol
- E-SMLC evolved serving mobile location centre
- the location service management function LMF may also be called a location server, and is connected to the AMF, and the LMF and the AMF are connected through the NL1 interface.
- NG RAN may include base stations in NR systems, such as next generation node B (gNB), base stations in LTE systems, such as next generation evolved node B (ng-eNB), etc.
- the gNB and the ng-eNB are connected through the Xn interface, the AMF is connected with the ng-eNB/gNB through the NG-C interface, the UE is connected with the ng-eNB through the LTE-Uu, and the UE is connected with the gNB through the NR-Uu.
- AMF Access and Mobility Management Function, access and mobility management unit
- LMF realizes the location estimation of UE, and performs positioning calculation for terminal equipment according to the measurement results of other network elements.
- FIG. 3 is only an exemplary illustration of a communication system to which the embodiments of the present application are applicable, and does not specifically limit the type, quantity, and connection mode of network elements included in the communication system to which the present application is applicable.
- E-SMLC or SLP are not essential; for example, ng-eNB in some embodiments contains one or more transmission points (TP), gNB in some embodiments contains one or more transmission and reception points ( transmission reception point, TRP), the terminal is called SUPL enabled terminal (SUPL enabled terminal, SET) in some embodiments or includes SET in some embodiments, SUPL is Secure User Plane Location (Secure User Plane Location).
- the methods for configuring and uplink positioning reference signal resources can be applied to NR positioning scenarios such as enhanced Mobile Broadband (eMBB) outdoor, eMBB indoor, Ultra-Reliable and Low Latency (Ultra-Reliable and Low Latency) Latency Communications, URLLC), massive Machine Type of Communication (mMTC) and Internet of Things (Internet of Things, IOT) and other scenarios.
- eMBB enhanced Mobile Broadband
- UMBB indoor Ultra-Reliable and Low Latency
- Ultra-Reliable and Low Latency Ultra-Reliable and Low Latency
- URLLC Ultra-Reliable and Low Latency
- mMTC massive Machine Type of Communication
- IOT Internet of Things
- an embodiment of the present application provides a method for configuring uplink positioning reference signal resources, including the following procedures.
- the location management function network element LMF sends first information to a first network device, where the first information indicates that a first uplink positioning reference signal resource is available or the first uplink positioning reference signal resource is unavailable.
- the first information is used to determine the uplink positioning reference signal resources occupied by the first terminal device, where the first terminal device is a terminal device provided with an access service by the first network device, or the first network device is a terminal device of the first terminal device.
- the LMF may configure a resource set that can be used in the uplink positioning process to carry reference signals such as SRS in a predefined manner, and the first uplink positioning reference signal resource belongs to the aforementioned configuration in a predefined manner. resource set.
- the LMF may allocate available uplink positioning reference signal resources in each logical cell for the logical cells where one or more terminal equipments are located.
- the SRS index list may be used to indicate the available SRS resources or SRS sequences in a logical cell.
- the aforementioned first uplink positioning reference signal resource may be any uplink positioning reference signal resource available in the logical cell where the first terminal device is located.
- the LMF can also indicate to the first network device and/or the terminal device the available uplink positioning reference signal resources of the logical cell where it is located by sending the information of the logical cell to the first network device and/or the terminal device.
- the information of the logical cell may include a logical cell index (PA ID), a cell ID list corresponding to the logical cell, and the cell ID list includes the IDs of one or more cells that constitute the logical cell, and the cell IDs may be physical.
- a cell identification code Physical Cell Identification, PCI
- a global cell identification code Cell Global Identifier, CGI
- the LMF may determine whether the first uplink positioning reference signal resource is available or unavailable according to the uplink positioning reference signal resources previously reported by the network device and allocated to other terminal devices, and then determine that the first information indicates the first uplink positioning reference signal. Whether the resource is available or the first information indicates that the first uplink positioning reference signal resource is unavailable. For example, if the first uplink positioning reference signal resource is an SRS resource configured by the second network device to the second terminal device, the first information indicates that the first uplink positioning reference signal resource is unavailable; or, if the The first uplink positioning reference signal resource is not occupied, and the first information indicates that the first uplink positioning reference signal resource is available.
- the second terminal device here may be located in a different logical cell from the first terminal device, or may be located in the same logical cell as the first terminal device. That is, the basis for judging whether the uplink positioning reference signal resource is available in the embodiment of the present application may be that if a certain uplink positioning reference signal resource has been allocated to terminal equipment in other logical cells, the uplink positioning reference signal resource is unavailable; If a certain uplink positioning reference signal resource has been allocated to other terminal equipment in the same logical cell, the uplink positioning reference signal resource is unavailable; if a certain uplink positioning reference signal resource is not allocated, the uplink positioning reference signal resource available.
- the content of the first information may be implemented by referring to any one of the following four manners.
- the first information indicates that one or more uplink positioning reference signal resources are available or unavailable, and the first uplink positioning reference signal resources are among the one or more uplink positioning reference signal resources. any one of .
- the first information includes configuration information of each uplink positioning reference signal resource in one or more uplink positioning reference signal resources and a first identifier associated with the configuration information of each uplink positioning reference signal resource.
- the first information may include configuration information of the first uplink positioning reference signal resource and a first identifier associated with the configuration information; wherein the first identifier takes a value When the first value is the first value, the first information indicates that the first uplink positioning reference signal resource is available; when the first identifier is the second value, the first information indicates the first uplink positioning reference signal The resource is not available.
- the configuration information of the uplink positioning reference signal resources may include indication information for indicating the uplink positioning reference signal resources, such as resource index, resource number and other information, and may also include the time domain and/or frequency of the uplink positioning reference signal resources. Configuration information on the domain. Exemplarily, it is taken as an example that the uplink positioning reference signal is the SRS.
- the first information may include an SRS resource set.
- the SRS resource set includes configuration information of one or more SRS resources and a first identifier associated with the configuration information of each SRS resource, the first identifier or an available/unavailable indication.
- the "SRS resource list” can be used to represent the aforementioned first information
- the "SRS resource set list” can be used to represent the SRS resource set included in the first information
- the SRS resource set can be indicated in the "SRS config list”.
- the configuration information of each SRS and the first identifier It can be understood that other descriptions or field names, etc. may also be used in practical application messages or signaling to represent the foregoing first information and the content of the first information, which is not limited in this embodiment of the present application.
- the first identifier associated with the configuration information of any SRS resource can be specifically implemented by "0" or "1". When the first identifier is "0", it indicates that the SRS resource is unavailable; when the first identifier is "1” , indicating that the SRS resource is available; or, when the first identifier is "1", indicating that the SRS resource is unavailable; when the first identifier is "0", indicating that the SRS resource is available.
- the first identifier can also be directly recorded as “available” or “unavailable”, if the first identifier is "available”, it indicates that the SRS resource is available, and if the first identifier is "unavailable”, it indicates that the SRS resource is unavailable. .
- the LMF can use the unavailable identifier to indicate the unavailable uplink positioning reference signals, and use the first uplink positioning reference signal to represent the one or more uplink positioning reference signals. Any uplink positioning reference signal. Then, when the first information includes an unavailability identifier of the first uplink positioning reference signal resource, it indicates that the first information sent by the LMF indicates that the first uplink positioning reference signal resource is unavailable; when the first uplink positioning reference signal resource is unavailable; When the information does not include the unavailability flag of the first uplink positioning reference signal resource, it indicates that the first information sent by the LMF indicates that the first uplink positioning reference signal resource is available.
- the uplink positioning reference signal resource configured by the first network device for the first terminal device does not include the first uplink positioning reference signal resource . If the first network device determines that the first uplink positioning reference signal resource is available based on the first information, optionally, the uplink positioning reference signal resource configured by the first network device for the first terminal device may include the first uplink positioning reference signal resource.
- the first network device obtains the available or unavailable resources of the uplink positioning reference signal through the LMF, and specifies the uplink positioning reference signal resources that can be currently configured for the first terminal device; Two terminal devices do not occupy the same uplink positioning reference signal resources, which can improve the accuracy of uplink measurement and ensure the accuracy of uplink positioning.
- the LMF in S401 may send a first message carrying first information to the first network device, where the first message is used to request the first network device to configure the first terminal device Uplink positioning reference signal resources, the first message may specifically be a positioning information request (positioning information request) message.
- the first network device may send a second message carrying the third information to the LMF, where the second message is used to convert the third information, that is, the first network device, as the first terminal device
- the configured uplink positioning reference signal resources are reported to the LMF.
- the second message may be a positioning information response (positioning information response) message.
- the LMF may indicate the available/unavailable resources of the SRS when requesting the serving base station to configure the SRS resource for the UE.
- FIG. 5 a schematic diagram of a positioning process is shown, which mainly includes the following processes.
- the capability transfer (capability transfer) between the LMF and the first terminal device mainly includes: the LMF asks the first terminal device about the capability through the LTE positioning protocol (LPP), and the first terminal device reports the capability to the LMF through the LPP ability.
- LPF LTE positioning protocol
- the LMF sends a first message to the first network device, where the first message carries the first information.
- FIG. 5 specifically illustrates that the first message is a positioning information request (positioning information request) message.
- the first network device generates configuration information of the SRS resource according to the first information, where the configuration information of the SRS resource is used to configure the SRS resource for the first terminal device.
- S505 Send the configuration information of the SRS resource to the first terminal device.
- the first network device sends a second message to the LMF, where the second message carries the third information.
- FIG. 5 specifically illustrates that the second message is a positioning information response (positioning information response) message, and the third information in the positioning information response message includes configuration information of SRS resources.
- the LMF triggers the first terminal device to send the SRS by requesting the first network device, that is, the LMF sends the UE SRS activation request to the first network device, and the first network device receives the UE SRS activation request, and activates the first terminal device to perform SRS transmission.
- the first network device sends an NRPPa message, such as a positioning activation response (Positioning activation response) message, to the LMF.
- an NRPPa message such as a positioning activation response (Positioning activation response) message
- S507 and S508 can be omitted, that is, after S506 is executed, S509 can be directly executed, and S507 and S58 are ignored.
- the LMF sends a NRPPa message, such as a measurement request (measurement request) message, to the network device participating in the positioning of the first terminal device, where the measurement request includes all the information required for the gNBs/TRPs participating in the positioning to implement uplink measurement, for example, the first The terminal equipment corresponds to the configuration of the SRS resources.
- a measurement request measurement request
- the measurement request includes all the information required for the gNBs/TRPs participating in the positioning to implement uplink measurement, for example, the first The terminal equipment corresponds to the configuration of the SRS resources.
- S510 Each network device participating in the positioning measures the SRS sent by the first terminal device.
- each network device participating in the positioning reports the measurement result to the LMF by sending an NRPPa message, such as a measurement response (measurement response) message.
- an embodiment of the present application provides a method for configuring uplink positioning reference signal resources, including the following procedures.
- the LMF may determine whether the first uplink positioning reference signal resource is available or unavailable according to the uplink positioning reference signal resources previously reported by the network device and allocated to other terminal devices, and then determine that the first information indicates the first uplink positioning reference signal. Whether the resource is available or the first information indicates that the first uplink positioning reference signal resource is unavailable. For example, if the first uplink positioning reference signal resource is an SRS resource configured by the second network device to the second terminal device, the first information indicates that the first uplink positioning reference signal resource is unavailable; or, if the The first uplink positioning reference signal resource is not occupied, and the first information indicates that the first uplink positioning reference signal resource is available.
- the content of the first information may be implemented by referring to any one of the four manners in the foregoing S401. This embodiment of the present application will not describe it again.
- the uplink positioning reference signal resource configured by the first network device for the first terminal device does not include the first uplink positioning reference signal resource . If the first network device determines that the first uplink positioning reference signal resource is available based on the first information, optionally, the uplink positioning reference signal resource configured by the first network device for the first terminal device may include the first uplink positioning reference signal resource.
- the first network device may first generate configuration information of uplink positioning reference signal resources according to the first information, where the configuration information of uplink positioning reference signal resources is used to configure uplink positioning reference signal resources for the first terminal device.
- the first network device sends configuration information of the previous uplink positioning reference signal resource to the first terminal device, so as to configure the uplink positioning reference signal resource for the first terminal device.
- the LMF will indicate whether the uplink positioning reference signal resource that the first network device wishes to allocate is available, so that the first network device avoids configuring the first terminal device with confusing uplink positioning reference signal resources, and ensures that logical cells overlap or In the case of partial coincidence, the two terminal devices will not occupy the same uplink positioning reference signal resources, which can improve the accuracy of uplink measurement and ensure the accuracy of uplink positioning.
- the LMF sends a first message to the first network device, where the first message is used to request the first network device to configure uplink positioning reference signal resources for the first terminal device.
- the first message may be a positioning information request (positioning information request) message.
- the first network device may select the aforementioned second uplink positioning reference signal resource from available uplink positioning reference signal resources in the logical cell where the first terminal device is located. Or optionally, if a resource set that bears reference signals such as SRS in the uplink positioning process is predefined and configured, the first network device may determine the second upper positioning reference signal resource based on the resource set.
- the first message involved in S600a can also be understood as a triggering condition for the first network device to send the second information to the LMF. If S600a and S600b are not executed, but S601 to S603 are directly executed, it can be considered that the first network device actively sends the second information to the LMF.
- the serving base station may inform the LMF serving base station of the SRS resources it wishes to configure, and then configure the SRS resources of the terminal device based on the available/unavailable resources of the SRS indicated by the LMF.
- FIG. 7 a schematic diagram of a positioning process is shown, which mainly includes the following processes.
- the LMF acquires necessary information of the network device participating in the positioning of the first terminal device, such as exchanging TRP configuration information.
- the network device participating in the positioning of the first terminal device includes the first network device, that is, a serving base station (serving gNB/TRP) of the first terminal device, and at least one third network device.
- the third network device may be a network device (neighour gNB/TRP) adjacent to the first network device, or the third network device may be another network device corresponding to the logical cell where the first terminal device is located.
- FIG. 1 illustrates a first network device and two third network devices.
- the capability transfer (capability transfer) between the LMF and the first terminal device mainly includes: the LMF asks the first terminal device about the capability through the LTE positioning protocol (LPP), and the first terminal device reports the capability to the LMF through the LPP ability.
- LPF LTE positioning protocol
- the LMF sends a first message to the first network device.
- FIG. 7 specifically illustrates that the first message is a positioning information request (positioning information request) message.
- the first network device determines the SRS resource that it wishes to configure for the first terminal device, which is recorded as the second SRS resource.
- the first network device sends a second message to the LMF, where the second message carries the second information.
- FIG. 7 specifically illustrates that the second message is a positioning information response (positioning information response) message, and the second information indicates an SRS resource that is desired to be configured, or is referred to as a second SRS resource.
- the LMF sends first information to the first network device, where the first information indicates that the first SRS resource is available or unavailable.
- the first SRS resource is a resource in the aforementioned SRS resource (second SRS resource) to be configured.
- the first information may also be referred to as SRS resource confirmation (SRS resource confirm).
- the first network device configures SRS resources for the first terminal device.
- the implementation is implemented in the following manner: the first network device may generate configuration information of the SRS resource based on the first information, where the configuration information of the SRS resource is used to configure the SRS resource for the first terminal device.
- the first network device sends the configuration information of the SRS to the first terminal device.
- the first network device sends an NRPPa message to the LMF, such as a positioning activation response (Positioning activation response) message.
- a positioning activation response Positioning activation response
- S708 and S709 can be omitted, that is, after S706 is executed, S710 can be directly executed, and S708 and S709 are ignored.
- the LMF sends an NRPPa message, such as a measurement request (measurement request) message, to the network device participating in the positioning of the first terminal device, where the measurement request contains all the information required for the gNBs/TRPs participating in the positioning to implement uplink measurement, for example, the first The terminal equipment corresponds to the configuration of the SRS resources.
- an NRPPa message such as a measurement request (measurement request) message
- an embodiment of the present application provides a method for configuring uplink positioning reference signal resources, including the following procedures.
- the LMF receives a third message from multiple network devices, where the third message of each network device indicates uplink positioning reference signal resources of the network device.
- the third message sent by any one of the multiple network devices includes configuration information of uplink positioning reference signal resources of the network device.
- the LMF can integrate the acquired uplink positioning reference signal resources of each network device into an uplink positioning reference signal resource pool, so that the LMF can select the corresponding uplink positioning reference signal resource pool based on the uplink positioning reference signal resource pool for the terminal equipment that needs to be positioned. the uplink positioning reference signal resources.
- the first part of the network devices in the multiple network devices is located in the first area
- the second part of the network devices in the multiple network devices is located in the second area.
- the first area and the second area may be understood as logical cells, and the logical cell corresponding to the terminal device to be located may be the first area or the second area.
- the first area and the second area may or may not overlap, and optionally, at least one network device in the multiple network devices is located in the overlapping area of the first area and the second area.
- the network device used for locating the terminal device is located in an area corresponding to the terminal device; or, there is at least one network device that is not located in the network device used for locating the terminal device.
- the logical cells corresponding to different terminal devices are different, but the logical cells corresponding to different terminals may partially overlap or not overlap.
- the LMF sends a fifth message to multiple network devices.
- FIG. 9 specifically illustrates three network devices, such as network device 1, network device 2, and network device 3, where network device 1 can be understood as a serving base station that provides access services for terminal devices.
- the fifth message is a sending and receiving point information request (TRP information request) message, referred to as a TRP information request, for requesting the SRS resources of each network device.
- TRP information request sending and receiving point information request
- FIG. 9 specifically illustrates that the third message is a TRP information response message, and the TRP information response message includes the SRS of the network device. Configuration information for the resource.
- the LMF configures the SRS for the terminal device.
- the LMF sends a fourth message to the terminal device, where the fourth message includes configuration information of SRS resources configured for the terminal device.
- the LMF requests the terminal equipment to send the SRS through the network equipment 1, that is, the LMF sends the UE SRS activation request to the network equipment 1, and the network equipment 1 receives the UE SRS activation request, and then activates the terminal equipment to perform SRS transmission.
- the LMF sends an NRPPa message, such as a measurement request message, to the network equipment participating in the positioning of the terminal equipment.
- the measurement request includes all the information required for the gNBs/TRPs participating in the positioning to implement uplink measurement, such as the SRS corresponding to the terminal equipment.
- Configuration of resources As an example, the network devices participating in the positioning of the terminal device include network device 1 , network device 3 , and network device 3 illustrated in FIG. 9 .
- each network device participating in the positioning measures the SRS sent by the first terminal device.
- each network device participating in the positioning reports the measurement result to the LMF by sending an NRPPa message, such as a measurement response (measurement response) message.
- the methods provided by the embodiments of the present application are introduced from the perspective of interaction between a terminal, a network device, and a positioning management device.
- the terminal, the network device, and the location management device may include hardware structures and/or software modules, which are implemented in the form of hardware structures, software modules, or hardware structures plus software modules. the above functions. Whether one of the above functions is performed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
- the apparatus 1000 may be a positioning management device, or an apparatus applied to a positioning management device, capable of supporting the positioning management device to perform a method for configuring uplink positioning reference signal resources; or the apparatus 1000 may be a terminal device, or an apparatus applied to a terminal A device capable of supporting a terminal device to perform a method for configuring uplink positioning reference signal resources.
- the location management device is an LMF.
- the communication module may also be referred to as a transceiver module, a transceiver, a transceiver, a transceiver, or the like.
- the processing module may also be referred to as a processor, a processing board, a processing unit, a processing device, and the like. It should be understood that the communication module is configured to perform the sending operation and the receiving operation on the first network device side, the location management device side or the terminal device side in the above method embodiments.
- the device used for realizing the sending function in the communication module is regarded as a sending unit
- the device used for realizing the receiving function in the communication module is regarded as a receiving unit, that is, the communication module includes a receiving unit and a sending unit.
- the receiving unit included in the communication module 1002 is used to perform a receiving operation on the side of the first network device, such as receiving data from a terminal device; the sending unit included in the communication module 1002 is used to execute The sending operation on the side of the first network device is, for example, sending data to the terminal device.
- the receiving unit included in the communication module 1002 thereof is used to perform a receiving operation on the side of the terminal device, such as receiving data from a first network device.
- the sending unit included in the communication module 1002 is used for performing a sending operation on the terminal device side, for example, sending data to the first network device.
- the apparatus 1000 includes:
- the communication module 1002 is configured to receive first information sent from the location management function network element LMF, where the first information indicates that the first uplink positioning reference signal resource is available or the first uplink positioning reference signal resource is unavailable.
- the processing module 1001 is configured to generate configuration information of uplink positioning reference signal resources according to the first information, where the configuration information of uplink positioning reference signal resources is used to configure uplink positioning reference signal resources for the first terminal device.
- the communication module 1002 is further configured to send the configuration information of the uplink positioning reference signal resource.
- the LMF indicates to the network device that the uplink positioning reference signal resource is available or unavailable, and assists the network device to configure the uplink positioning reference signal of the terminal device. resources, avoid measurement errors caused by resource conflicts, and improve positioning accuracy.
- the first information indicates that multiple uplink positioning reference signal resources are available or unavailable, and the first uplink positioning reference signal resource is one of the multiple uplink positioning reference signal resources. anyone.
- the network device can perform configuration based on the available resources among the multiple uplink positioning reference signal resources indicated by the LMF, simplify configuration selection, and quickly configure the uplink positioning reference signal resources for the terminal device.
- the communication module 1002 is specifically configured to: receive a first message from the LMF, where the first message is used to request the apparatus 1000 to configure the first terminal device uplink positioning reference signal resources, and the first message carries the first information.
- the LMF carries the first information when requesting the network device to configure uplink positioning reference signal resources for the terminal device, without adding additional signaling overhead.
- the communication module 1002 is further configured to: before receiving the first information sent from the location management function network element LMF, send second information to the LMF, the second information Indicates a second uplink positioning reference signal resource, the second uplink positioning reference signal resource is the uplink positioning reference signal resource that the apparatus 1000 wishes to configure for the first terminal device, and the second uplink positioning reference signal resource includes all the the first uplink positioning reference signal resource.
- the network device When configuring the uplink positioning reference signal resources of the terminal equipment, the network device first asks the LMF whether the resources it wants to configure are available, and then configures the available resources, which can avoid measurement errors caused by resource conflicts and improve positioning accuracy.
- the first information indicates the first uplink positioning reference signal resource.
- the reference signal resource is unavailable; or, if the first uplink positioning reference signal resource is not occupied, the first information indicates that the first uplink positioning reference signal resource is available. Determining uplink positioning reference signal resources occupied by other terminal equipments as unavailable resources can avoid resource conflict between terminal equipments, thereby avoiding measurement errors and improving positioning accuracy.
- the first information includes configuration information of the first uplink positioning reference signal resource and a first identifier associated with the configuration information; wherein the first identifier is the first identifier
- the first value is a value
- the first information indicates that the first uplink positioning reference signal resource is available
- the first identifier is a second value
- the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the value of the identifier is used to indicate whether the resource is available or unavailable, the instruction is simple, the amount of information is small, and the signaling overhead can be reduced.
- the first information includes configuration information of the first uplink positioning reference signal resource, and the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the LMF indicates the unavailable resources to the network device, and the auxiliary network device configures resources for the terminal device to avoid these unavailable resources.
- the first information when the first information includes an available identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is available; the first uplink positioning reference signal resource is available; When the information does not include the availability identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the available identifier is used to mark that the resource is available, the instruction is simple, the amount of information is less, and the signaling overhead can be reduced.
- the following describes in detail an implementation manner in which the apparatus 1000 is applied to a positioning management device (such as an LMF) with reference to the first solution and the second solution.
- a positioning management device such as an LMF
- the device 1000 includes:
- the LMF indicates to the network equipment that the uplink positioning reference signal resources are available or unavailable, and assists the network equipment to configure the uplink positioning reference signal resources of the terminal equipment, so as to avoid measurement errors caused by resource conflicts and improve positioning accuracy.
- the first information indicates that multiple uplink positioning reference signal resources are available or unavailable, and the first uplink positioning reference signal resource is one of the multiple uplink positioning reference signal resources. anyone.
- the communication module 1002 is specifically configured to: send a first message to the first network device, where the first message is used to request the first network device to be the first network device
- a terminal device configures uplink positioning reference signal resources, and the first message carries the first information.
- the LMF carries the first information when requesting the network device to configure uplink positioning reference signal resources for the terminal device, without adding additional signaling overhead.
- the communication module 1002 is further configured to: before sending the first information to the first network device, receive second information from the first network device, the second information Indicates a second uplink positioning reference signal resource, where the second uplink positioning reference signal resource is an uplink positioning reference signal resource that the first network device wishes to configure for the first terminal device, and the second uplink positioning reference signal resource Including the first uplink positioning reference signal resource.
- the first information indicates the first uplink positioning reference signal resource.
- the reference signal resource is unavailable; or, if the first uplink positioning reference signal resource is not occupied, the first information indicates that the first uplink positioning reference signal resource is available. Determining uplink positioning reference signal resources occupied by other terminal equipments as unavailable resources can avoid resource conflict between terminal equipments, thereby avoiding measurement errors and improving positioning accuracy.
- the first information includes configuration information of the first uplink positioning reference signal resource and a first identifier associated with the configuration information; wherein the first identifier is the first identifier
- the first value is a value
- the first information indicates that the first uplink positioning reference signal resource is available
- the first identifier is a second value
- the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the value of the identifier is used to indicate whether the resource is available or unavailable, the instruction is simple, the amount of information is small, and the signaling overhead can be reduced.
- the first information includes configuration information of the first uplink positioning reference signal resource, and the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the LMF indicates the unavailable resources to the network device, and the auxiliary network device configures resources for the terminal device to avoid these unavailable resources.
- the first information when the first information includes an available identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is available; the first uplink positioning reference signal resource is available; When the information does not include the availability identifier of the first uplink positioning reference signal resource, the first information indicates that the first uplink positioning reference signal resource is unavailable.
- the available identifier is used to mark that the resource is available, the instruction is simple, the amount of information is less, and the signaling overhead can be reduced.
- the device 1000 includes:
- the communication module 1002 is configured to receive a third message from a plurality of network devices, the third message of each network device indicates the uplink positioning reference signal resource of the network device; the processing module 1001 is configured to determine the configuration for the terminal device The communication module 1002 is further configured to send a fourth message to the terminal device, where the fourth message includes configuration information of the uplink positioning reference signal resources configured for the terminal device.
- the LMF collects the uplink positioning reference signal resources of multiple network devices in advance, and the LMF can determine whether the uplink positioning reference signal resources are available or unavailable, and then the LMF is responsible for configuring the uplink positioning reference signal resources of the terminal equipment, so as to avoid resource The measurement error caused by the conflict can improve the positioning accuracy.
- the communication module 1002 is further configured to: send a location measurement request to a network device for locating the terminal device, where the location measurement request includes configuring a configuration for the terminal device configuration information of the uplink positioning reference signal resources.
- the network device used for locating the terminal device is located in an area corresponding to the terminal device; or, the network device used for locating the terminal device is located in an area corresponding to the terminal device; There is at least one network device that is not located in the area corresponding to the terminal device.
- the apparatus 1000 includes: a communication module 1002 configured to receive a fourth message from a location management function network element LMF, where the fourth message includes configuration information of uplink positioning reference signal resources configured for the terminal equipment, the uplink positioning Reference signal resources are a subset of uplink positioning reference signal resources of multiple network devices.
- the apparatus 1000 further includes a processing module 1001, the processing module 1001 is configured to obtain the aforementioned fourth message through the communication module 1002; the processing module 1001 is further configured to, according to the configuration information of the uplink positioning reference signal resources, Determine resources for sending uplink positioning reference signals.
- the communication module 1002 is further configured to send the uplink positioning reference signal according to the resource for sending the uplink positioning reference signal.
- an embodiment of the present application provides a communication apparatus 1100 , and the communication apparatus 1100 may be a chip or a chip system.
- the chip system may be composed of chips, or may include chips and other discrete devices.
- the communication apparatus 1100 may be applied to a first network device, and the specific communication apparatus 1100 may be a first network device, or a device capable of supporting the first network, so as to implement any of the above-mentioned embodiments means of the functionality of the first network device.
- the memory 1120 holds the necessary computer programs, computer programs or instructions and/or data to implement the functions of the network device in any of the above-described embodiments.
- the processor 1110 can execute the computer program stored in the memory 1120 to complete the method executed by the network device in any of the foregoing embodiments.
- the receiver 1132 in the communication apparatus 1100 can be used to receive the transmission control configuration information/data sent by the first network device/location management device through the antenna 1133, and the transmitter 1131 can be used to send the first network device through the antenna 1133.
- the network device/location management device sends transmission information/data.
- the logic circuit and interface may be used to perform the functions or operations performed by the aforementioned positioning management device.
- the logic circuit 1220 is configured to determine first information, where the first information indicates that the first uplink positioning reference signal resource is available or the first uplink positioning reference signal resource is unavailable, and the first information is used for determining the uplink positioning reference signal resources occupied by the first terminal equipment.
- the input and output interface 1210 is used for outputting the first information to the first network device.
- an embodiment of the present application further provides a communication system, the communication system includes at least one communication apparatus applied to network equipment, at least one communication apparatus applied to positioning management equipment, and at least one communication apparatus applied to terminal equipment .
- the communication system includes at least one communication apparatus applied to network equipment, at least one communication apparatus applied to positioning management equipment, and at least one communication apparatus applied to terminal equipment .
- the embodiments of the present application further provide a computer-readable storage medium, where computer programs or instructions are stored in the computer-readable storage medium, and when the instructions are executed, the method for executing the network device in any of the foregoing embodiments is performed. is implemented, or the method performed by the positioning management device in any of the foregoing embodiments is implemented, or the method performed by the terminal device in any of the foregoing embodiments is implemented.
- the computer-readable storage medium may include: a USB flash drive, a removable hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk, and other media that can store program codes.
- an embodiment of the present application further provides a chip, including a processor, for supporting the communication apparatus to implement the first network device, the positioning management device, or the terminal in the above-mentioned method embodiments.
- the functions involved in the device In a possible design, the chip is connected to a memory or the chip includes a memory for storing computer programs or instructions and data necessary for the communication device.
- the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
- computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
- These computer programs or instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the The instruction means implement the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
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Abstract
Description
Claims (44)
- 一种配置上行定位参考信号资源的方法,其特征在于,包括:第一网络设备接收来自位置管理功能网元LMF发送的第一信息,所述第一信息指示第一上行定位参考信号资源可用或者所述第一上行定位参考信号资源不可用;所述第一网络设备根据所述第一信息,为第一终端设备配置上行定位参考信号资源。
- 如权利要求1所述的方法,其特征在于,所述第一信息指示多个上行定位参考信号资源可用或者不可用的情况,所述第一上行定位参考信号资源是所述多个上行定位参考信号资源中的任意一个。
- 如权利要求1或2所述的方法,其特征在于,所述第一网络设备接收来自位置管理功能网元LMF发送的第一信息,包括:所述第一网络设备接收来自所述LMF的第一消息,所述第一消息用于请求所述第一网络设备为所述第一终端设备配置上行定位参考信号资源,所述第一消息携带所述第一信息。
- 如权利要求1所述的方法,其特征在于,在第一网络设备接收来自位置管理功能网元LMF发送的第一信息之前,所述方法还包括:所述第一网络设备向所述LMF发送第二信息,所述第二信息指示第二上行定位参考信号资源,所述第二上行定位参考信号资源为所述第一网络设备希望配置给所述第一终端设备的上行定位参考信号资源,所述第二上行定位参考信号资源包括所述第一上行定位参考信号资源。
- 一种配置上行定位参考信号资源的方法,其特征在于,包括:位置管理功能网元LMF向第一网络设备发送第一信息,所述第一信息指示第一上行定位参考信号资源可用或者所述第一上行定位参考信号资源不可用,所述第一信息用于确定第一终端设备占用的上行定位参考信号资源。
- 如权利要求5所述的方法,其特征在于,所述第一信息指示多个上行定位参考信号资源可用或者不可用的情况,所述第一上行定位参考信号资源是所述多个上行定位参考信号中的任意一个。
- 如权利要求5或6所述的方法,其特征在于,所述位置管理功能网元LMF向第一网络设备发送第一信息,包括:所述LMF向所述第一网络设备发送第一消息,所述第一消息用于请求所述第一网络设备为所述第一终端设备配置上行定位参考信号资源,所述第一消息携带所述第一信息。
- 如权利要求5所述的方法,其特征在于,在所述位置管理功能网元LMF向第一网络设备发送第一信息之前,所述方法还包括:所述LMF接收来自所述第一网络设备的第二信息,所述第二信息指示第二上行定位参考信号资源,所述第二上行定位参考信号资源为所述第一网络设备希望配置给所述第一终端设备的上行定位参考信号资源,所述第二上行定位参考信号资源包括所述第一上行定位参考信号资源。
- 如权利要求5-8任一项所述的方法,其特征在于,若所述第一上行定位参考信号资源为第二网络设备配置给第二终端设备的上行定位参考信号资源,所述第一信息指示所述第一上行定位参考信号资源不可用;或者,若所述第一上行定位参考信号资源未被占用,所述第一信息指示所述第一上行定位参考信号资源可用。
- 如权利要求1-9任一项所述的方法,其特征在于,所述第一信息包括所述第一上行定位参考信号资源的配置信息和所述配置信息关联的第一标识;其中,所述第一标识取值为第一值时,所述第一信息指示所述第一上行定位参考信号资源可用;所述第一标识取值为第二值时,所述第一信息指示所述第一上行定位参考信号资源不可用。
- 如权利要求1-9任一项所述的方法,其特征在于,所述第一信息包括所述第一上行定位参考信号资源的配置信息,所述第一信息指示所述第一上行定位参考信号资源不可用。
- 如权利1-9任一项所述的方法,其特征在于,所述第一信息包括所述第一上行定位参考信号资源的可用标识时,所述第一信息指示所述第一上行定位参考信号资源可用;所述第一信息未包括所述第一上行定位参考信号资源的可用标识时,所述第一信息指示所述第一上行定位参考信号资源不可用。
- 一种配置上行定位参考信号资源的方法,其特征在于,包括:位置管理功能网元LMF接收来自多个网络设备的第三消息,每个网络设备的所述第三消息指示所述网络设备的上行定位参考信号资源;所述LMF向终端设备发送第四消息,所述第四消息包括为所述终端设备配置的上行定位参考信号资源的配置信息。
- 如权利要求13所述的方法,其特征在于,所述为所述终端设备配置的上行定位参考信号资源是所述多个网络设备的上行定位参考信号资源中的子集。
- 如权利要求13所述的方法,其特征在于,在位置管理功能网元LMF接收来自多个网络设备的第三消息之前,所述方法还包括:所述LMF向所述多个网络设备发送第五消息,所述第五消息用于请求所述网络设备的上行定位参考信号资源。
- 如权利要求13-15任一项所述的方法,其特征在于,所述多个网络设备中的第一部分网络设备位于第一区域,所述多个网络设备中的第二部分网络设备位于第二区域。
- 如权利要求16所述的方法,其特征在于,所述多个网络设备中存在至少一个网络设备位于所述第一区域和所述第二区域的重合区域。
- 如权利要求13-17任一项所述的方法,其特征在于,所述方法还包括:向用于对所述终端设备进行定位的网络设备发送定位测量请求,所述定位测量请求包括为所述终端设备配置的上行定位参考信号资源的配置信息。
- 如权利要求18所述的方法,其特征在于,所述用于对所述终端设备进行定位的网络设备位于所述终端设备对应的区域;或者,所述用于对所述终端设备进行定位的网络设备中存在至少一个网络设备不位于所述终端设备对应的区域。
- 一种配置上行定位参考信号资源的方法,其特征在于,包括:终端设备接收来自位置管理功能网元LMF的第四消息,所述第四消息包括为所述终端设备配置的上行定位参考信号资源的配置信息,所述上行定位参考信号资源是多个网络设备的上行定位参考信号资源中的子集。
- 一种用于配置上行定位参考信号资源的装置,其特征在于,包括:通信模块,用于接收来自位置管理功能网元LMF发送的第一信息,所述第一信息指示第一上行定位参考信号资源可用或者所述第一上行定位参考信号资源不可用;处理模块,用于根据所述第一信息,生成上行定位参考信号资源的配置信息,所述上行定位参考信号资源的配置信息用于为第一终端设备配置上行定位参考信号资源;所述通信模块,还用于发送所述上行定位参考信号资源的配置信息。
- 如权利要求21所述的装置,其特征在于,所述第一信息指示多个上行定位参考信号资源可用或者不可用的情况,所述第一上行定位参考信号资源是所述多个上行定位参考信号中的任意一个。
- 如权利要求21或22所述的装置,其特征在于,所述通信模块,具体用于:接收来自所述LMF的第一消息,所述第一消息用于请求所述装置所述第一终端设备配置上行定位参考信号资源,所述第一消息携带所述第一信息。
- 如权利要求21所述的装置,其特征在于,所述通信模块,还用于:在接收来自位置管理功能网元LMF发送的第一信息之前,向所述LMF发送第二信息,所述第二信息指示第二上行定位参考信号资源,所述第二上行定位参考信号资源为所述装置希望配置给所述第一终端设备的上行定位参考信号资源,所述第二上行定位参考信号资源包括所述第一上行定位参考信号资源。
- 一种用于配置上行定位参考信号资源的装置,其特征在于,包括:处理模块,用于确定第一信息,所述第一信息指示第一上行定位参考信号资源可用或者所述第一上行定位参考信号资源不可用,所述第一信息用于确定第一终端设备占用的上行定位参考信号资源;通信模块,用于向第一网络设备发送所述第一信息。
- 如权利要求25所述的装置,其特征在于,所述第一信息指示多个上行定位参考信号资源可用或者不可用的情况,所述第一上行定位参考信号资源是所述多个上行定位参考信号中的任意一个。
- 如权利要求25或26所述的装置,其特征在于,所述通信模块,具体用于:向所述第一网络设备发送第一消息,所述第一消息用于请求所述第一网络设备为所述第一终端设备配置上行定位参考信号资源,所述第一消息携带所述第一信息。
- 如权利要求25所述的装置,其特征在于,所述通信模块,还用于:在向第一网络设备发送第一信息之前,接收来自所述第一网络设备的第二信息,所述第二信息指示第二上行定位参考信号资源,所述第二上行定位参考信号资源为所述第一网络设备希望配置给所述第一终端设备的上行定位参考信号资源,所述第二上行定位参考信号资源包括所述第一上行定位参考信号资源。
- 如权利要求25-28任一项所述的装置,其特征在于,若所述第一上行定位参考信号资源为第二网络设备配置给第二终端设备的上行定位参考信号资源,所述第一信息指示所述第一上行定位参考信号资源不可用;或者,若所述第一上行定位参考信号资源未被占用,所述第一信息指示所述第一上行定位参考信号资源可用。
- 如权利要求21-29任一项所述的装置,其特征在于,所述第一信息包括所述第一上行定位参考信号资源的配置信息和所述配置信息关联的第一标识;其中,所述第一标识取值为第一值时,所述第一信息指示所述第一上行定位参考信号资源可用;所述第一标识取值为第二值时,所述第一信息指示所述第一上行定位参考信号资源不可用。
- 如权利要求21-29任一项所述的装置,其特征在于,所述第一信息包括所述第一上 行定位参考信号资源的配置信息,所述第一信息指示所述第一上行定位参考信号资源不可用。
- 如权利要求21-29任一项所述的装置,其特征在于,所述第一信息包括所述第一上行定位参考信号资源的可用标识时,所述第一信息指示所述第一上行定位参考信号资源可用;所述第一信息未包括所述第一上行定位参考信号资源的可用标识时,所述第一信息指示所述第一上行定位参考信号资源不可用。
- 一种用于配置上行参考信号资源的装置,其特征在于,包括:通信模块,用于接收来自多个网络设备的第三消息,每个网络设备的所述第三消息指示所述网络设备的上行定位参考信号资源;处理模块,用于确定为终端设备配置的上行定位参考信号资源;所述通信模块,还用于向所述终端设备发送第四消息,所述第四消息包括为所述终端设备配置的上行定位参考信号资源的配置信息。
- 如权利要求33所述的装置,其特征在于,所述为所述终端设备配置的上行定位参考信号资源是所述多个网络设备的上行定位参考信号资源中的子集。
- 如权利要求33所述的装置,其特征在于,所述通信模块,还用于:在接收来自多个网络设备的第三消息之前,向所述多个网络设备发送第五消息,所述第五消息用于请求所述网络设备的上行定位参考信号资源。
- 如权利要求33-35任一项所述的装置,其特征在于,所述多个网络设备中的第一部分网络设备位于第一区域,所述多个网络设备中的第二部分网络设备位于第二区域。
- 如权利要求36所述的装置,其特征在于,所述多个网络设备中存在至少一个网络设备位于所述第一区域和所述第二区域的重合区域。
- 如权利要求33-37任一项所述的装置,其特征在于,所述通信模块,还用于:向用于对所述终端设备进行定位的网络设备发送定位测量请求,所述定位测量请求包括为所述终端设备配置的上行定位参考信号资源的配置信息。
- 如权利要求38所述的装置,其特征在于,所述用于对所述终端设备进行定位的网络设备位于所述终端设备对应的区域;或者,所述用于对所述终端设备进行定位的网络设备中存在至少一个网络设备不位于所述终端设备对应的区域。
- 一种配置上行定位参考信号资源的装置,其特征在于,包括:通信模块,用于接收来自位置管理功能网元LMF的第四消息,所述第四消息包括为所述终端设备配置的上行定位参考信号资源的配置信息,所述上行定位参考信号资源是多个网络设备的上行定位参考信号资源中的子集;处理模块,用于根据所述上行定位参考信号资源的配置信息,确定用于发送上行定位参考信号的资源。
- 一种通信装置,其特征在于,包括:处理器,所述处理器和存储器耦合,所述存储器用于存储计算机程序或指令,所述处理器用于执行所述计算机程序或指令,以实现权利要求1-4任一项所述的方法、权利要求5-19任一项所述的方法或者权利要求20所述的方法。
- 一种通信装置,其特征在于,包括:逻辑电路和输入输出接口,所述输入输出接口,用于接收来自位置管理功能网元LMF发送的第一信息,所述第一信息指示第一上行定位参考信号资源可用或者所述第一上行定位参考信号资源不可用;所述逻辑电路,用于根据所述第一信息,为第一终端设备配置上行定位参考信号资源。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序或指令,当所述指令在计算机上运行时,实现权利要求1-4任一项所述的方法、权利要求5-19任一项所述的方法或者权利要求20所述的方法。
- 一种计算程序产品,其特征在于,包括计算机执行指令,当所述计算机执行指令在计算机上运行时,使得所述计算机执行如权利要求1-4任一项所述的方法、权利要求5-19任一项所述的方法或者权利要求20所述的方法。
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BR112023020072A BR112023020072A2 (pt) | 2021-03-31 | 2021-03-31 | Método e aparelho para configuração de recurso de sinal de referência de posicionamento enlace ascendente |
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CN111586855A (zh) * | 2019-02-15 | 2020-08-25 | 华为技术有限公司 | 信号传输的方法与装置 |
CN112398624A (zh) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | 用于接收定位参考信号的方法和相关设备 |
WO2021032367A1 (en) * | 2019-08-19 | 2021-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for reducing interference caused to positioning signals in a wireless communication system |
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CN111586855A (zh) * | 2019-02-15 | 2020-08-25 | 华为技术有限公司 | 信号传输的方法与装置 |
CN112398624A (zh) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | 用于接收定位参考信号的方法和相关设备 |
WO2021032367A1 (en) * | 2019-08-19 | 2021-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for reducing interference caused to positioning signals in a wireless communication system |
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QUALCOMM INCORPORATED: "Semi-persistent and aperiodic SRS-for-positioning", 3GPP DRAFT; R2-2001214, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Online; 20200224 - 20200306, 14 February 2020 (2020-02-14), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051849544 * |
See also references of EP4304120A4 * |
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EP4304120A4 (en) | 2024-05-01 |
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