WO2022120735A1 - 无线通信的方法、装置、通信设备及存储介质 - Google Patents

无线通信的方法、装置、通信设备及存储介质 Download PDF

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Publication number
WO2022120735A1
WO2022120735A1 PCT/CN2020/135325 CN2020135325W WO2022120735A1 WO 2022120735 A1 WO2022120735 A1 WO 2022120735A1 CN 2020135325 W CN2020135325 W CN 2020135325W WO 2022120735 A1 WO2022120735 A1 WO 2022120735A1
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Prior art keywords
terminal
base station
indication information
prs
request
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PCT/CN2020/135325
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English (en)
French (fr)
Inventor
董贤东
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北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2020/135325 priority Critical patent/WO2022120735A1/zh
Priority to CN202080003923.6A priority patent/CN114916253A/zh
Publication of WO2022120735A1 publication Critical patent/WO2022120735A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present disclosure relates to the technical field of wireless communication, but is not limited to the technical field of wireless communication, and in particular, relates to a method, an apparatus, a communication device and a storage medium for wireless communication.
  • the 16th version (R16, Release 16) of the fifth generation mobile communication network (5G, 5th Generation mobile networks) technology introduces a variety of terminal positioning technologies, all of which can realize the positioning of the terminal.
  • positioning reference signaling PRS, Positioning reference signaling
  • the terminal may request to receive a Positioning Reference Signal (PRS) configuration of the Positioning Reference Signal (PRS) to obtain the Positioning Reference Signal (PRS) configuration.
  • PRS Positioning Reference Signal
  • PRS Positioning Reference Signal
  • the terminal may request to receive a Positioning Reference Signal (PRS) configuration of the Positioning Reference Signal (PRS) to obtain the Positioning Reference Signal (PRS) configuration.
  • PRS Positioning Reference Signal
  • PRS Positioning Reference Signal
  • the terminal receives the positioning reference signal (PRS) based on the positioning reference signal (PRS) configuration.
  • the time delay for the terminal to acquire the positioning reference signal (PRS) configuration is long, resulting in long positioning time.
  • PRS positioning reference signal
  • the embodiments of the present disclosure disclose a method, an apparatus, a communication device, and a storage medium for wireless communication.
  • a method for wireless communication wherein, applied to a communication node, the method includes:
  • the indication information is used for the terminal to determine the sending operation of the on-demand positioning reference signal (PRS) request.
  • PRS on-demand positioning reference signal
  • a method for wireless communication wherein, applied to a terminal, the method includes:
  • the indication information is used for the terminal to determine the sending operation of the on-demand positioning reference signal (PRS) request.
  • PRS on-demand positioning reference signal
  • an apparatus for wireless communication wherein, when applied to a communication node, the apparatus includes a first sending module, wherein,
  • the first sending module is configured to send indication information to the terminal
  • the indication information is used for the terminal to determine the sending operation of the on-demand positioning reference signal (PRS) request.
  • PRS on-demand positioning reference signal
  • an apparatus for wireless communication wherein, applied to a terminal, the apparatus includes a receiving module, wherein,
  • the receiving module is configured to receive the indication information sent by the communication node
  • the indication information is used for the terminal to determine the sending operation of the on-demand positioning reference signal (PRS) request.
  • PRS on-demand positioning reference signal
  • a communication device comprising:
  • a memory for storing the processor-executable instructions
  • the processor is configured to: when executing the executable instructions, implement the method described in any embodiment of the present disclosure.
  • a computer storage medium stores a computer-executable program, and the executable program implements the method described in any embodiment of the present disclosure when the executable program is executed by a processor.
  • the indication information is sent to the terminal; wherein, the indication information is used for the terminal to determine the sending operation of the on-demand positioning reference signal (PRS) request.
  • the terminal can determine whether to send the On-Demand Positioning Reference Signal (PRS) based on the received indication information, compared to sending the On-demand Positioning Reference Signal (PRS) without the indication information ( PRS) request method can reduce the failure caused by sending the on-demand Positioning Reference Signal (PRS) request to obtain the Positioning Reference Signal (PRS) configuration when the opposite end cannot provide the Positioning Reference Signal (PRS) configuration.
  • the time delay for obtaining a Positioning Reference Signal (PRS) configuration is reduced, the time for locating the terminal is reduced, the terminal can be quickly positioned, and the experience of the terminal user is improved.
  • FIG. 1 is a schematic structural diagram of a wireless communication system.
  • Fig. 2 is a schematic diagram of a relative positioning scenario according to an exemplary embodiment.
  • Fig. 3 is a schematic diagram of a relative positioning scenario according to an exemplary embodiment.
  • Fig. 4 is a schematic flowchart of a method for wireless communication according to an exemplary embodiment.
  • Fig. 5 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 6 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 7 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 8 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 9 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 10 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • FIG. 11 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 12 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 13 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • Fig. 14 is a schematic flowchart of a wireless communication method according to an exemplary embodiment.
  • FIG. 15 is a schematic diagram of a wireless communication apparatus according to an exemplary embodiment.
  • FIG. 16 is a schematic diagram of a wireless communication apparatus according to an exemplary embodiment.
  • FIG. 17 is a schematic structural diagram of a terminal according to an exemplary embodiment.
  • Fig. 18 is a block diagram of a base station according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • the terms “greater than” or “less than” are used herein when characterizing the relationship of size. However, those skilled in the art can understand that the term “greater than” also covers the meaning of “greater than or equal to”, and “less than” also covers the meaning of "less than or equal to”.
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several user equipments 110 and several base stations 120 .
  • the user equipment 110 may be a device that provides voice and/or data connectivity to the user.
  • User equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN), and user equipment 110 may be IoT user equipment such as sensor devices, mobile phones (or "cellular" phones) ) and a computer with IoT user equipment, for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • RAN Radio Access Network
  • IoT user equipment such as sensor devices, mobile phones (or "cellular" phones)
  • a computer with IoT user equipment for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • station Ses, STA
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • access terminal remote user equipment
  • the user equipment 110 may also be a device of an unmanned aerial vehicle.
  • the user equipment 110 may also be an in-vehicle device, for example, a trip computer with a wireless communication function, or a wireless user equipment connected to an external trip computer.
  • the user equipment 110 may also be a roadside device, for example, may be a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as New Radio System or 5G NR System.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of radio access network).
  • the base station 120 may be an evolved base station (eNB) used in the 4G system.
  • the base station 120 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution;
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • a physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 120 and the user equipment 110 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the user equipments 110 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle-to-everything (V2X) communication etc. scene.
  • the above-mentioned user equipment may be regarded as the terminal equipment of the following embodiments.
  • the above wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system.
  • the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rule functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 130 is not limited in this embodiment of the present disclosure.
  • the terminal needs to receive the PRS based on the PRS configuration.
  • the PRS configuration includes PRS configuration parameters such as the period, bandwidth, and/or pattern of the PRS.
  • the base station sends the PRS configuration to the LMF.
  • the LMF then sends the PRS configuration to the terminal.
  • the LMF requests the base station for time difference of arrival (OTDOA, Observed Time Difference of Arrival) information through a New Radio Interface Positioning Protocol A (NRPPa, NR Positioning Protocol A) message.
  • OTDOA time difference of arrival
  • NRPPa New Radio Interface Positioning Protocol A
  • the base station after receiving the request, sends a response message to the LMF through an NRPPa message, where the response message includes the PRS configuration.
  • the LMF after the LMF receives the PRS configuration, it sends the PRS configuration to the terminal through an LPP message.
  • the LMF after the LMF receives the PRS configuration, the LMF sends a positioning system message to the base station, where the positioning system message includes the PRS configuration information.
  • PRS parameters are configured for the base station through operation and maintenance management (OAM, Operation Administration and Maintenance), and the configuration of this PRS is a semi-static configuration and is a cell-level parameter configuration.
  • OAM Operation Administration and Maintenance
  • the PRS parameters cannot be dynamically changed, and different PRS parameters cannot be configured for different terminals, so the PRS configuration cannot meet the positioning requirements of different terminals.
  • a method of request-based PRS configuration is introduced, and the PRS configuration is obtained by sending a request.
  • the method of PRS configuration based on the request includes:
  • the terminal sends an on-demand PRS request to the base station;
  • the terminal sends an on-demand PRS request to the LMF;
  • the LMF sends an on-demand PRS request to the base station.
  • TRPs Transmission Reception Points
  • Transmission Reception Points may also participate in the positioning of the terminal.
  • the serving base station can obtain the neighboring base station through the interface between the base stations.
  • the PRS configuration of the base station, or the PRS configuration of the neighboring base station is obtained through the LMF.
  • the base station sends the PRS configuration requested by the terminal to the terminal, where the PRS configuration includes the PRS configurations of the serving base station and the neighboring base station.
  • the serving base station can determine the PRS configuration. After the serving base station receives the on-demand PRS request sent by the terminal, it can send the PRS configuration to the terminal in time, which reduces the positioning delay.
  • the terminal in order to better meet the requirements of the positioning service, the terminal will send a request to the base station or the LMF according to the requirements of the positioning service, so as to obtain a PRS configuration that can meet the requirements of the positioning service.
  • the request is an on-demand PRS request. That is, the terminal sends an on-demand PRS request to the base station or the LMF, and the base station and/or the LMF provides the terminal with a PRS configuration according to the request of the terminal. After obtaining the PRS configuration, the terminal receives the PRS based on the PRS configuration.
  • indication information may be introduced, and the indication information is used to indicate whether the base station supports the terminal to send an on-demand PRS request to the base station.
  • a method for wireless communication is provided in this embodiment, wherein, applied to a communication node, the method includes:
  • Step 41 sending indication information to the terminal
  • the indication information is used for the terminal to determine the sending operation of the on-demand PRS request.
  • the terminal may be, but is not limited to, a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • RSU Road Side Unit
  • the communication node may be a base station.
  • the base station is an interface device for the terminal to access the network.
  • the base station may be various types of base stations, for example, a base station of a third generation mobile communication (3G) network, a base station of a fourth generation mobile communication (4G) network, a fifth generation mobile communication (5G) network base station or other evolved base station.
  • 3G third generation mobile communication
  • 4G fourth generation mobile communication
  • 5G fifth generation mobile communication
  • the communication node may be a functional network element in the core network.
  • the functional network element may be an access and mobility management function (AMF, Access and Mobility Management Function), a session management function (SMF, Session Management Function), and a user plane management function (UPF, User Plane Function), etc.
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • the communication node is an LMF.
  • base station B when locating terminal A, base station B sends a PRS to terminal A. After receiving the PRS, the terminal A will measure the PRS, for example, measure the reference signal time difference (RSTD, Reference Signal Time Difference). The distance of Terminal A is determined based on the measurement results.
  • RSTD Reference Signal Time Difference
  • base station B can locate terminal A.
  • the terminal needs to receive the PRS based on the PRS configuration. Therefore, the terminal needs to obtain the PRS configuration before receiving the PRS.
  • the PRS configuration includes Positioning Reference Signal (PRS) parameters such as period, bandwidth and/or pattern.
  • PRS Positioning Reference Signal
  • the terminal obtains the PRS configuration from the base station.
  • the terminal sends an on-demand PRS request for acquiring the PRS configuration to the base station. And the terminal will receive the PRS configuration sent by the base station for the on-demand PRS request.
  • the terminal in response to the terminal needing to receive the PRS, the terminal sends an on-demand PRS request to the base station to obtain the PRS configuration.
  • the terminal in response to the activation of the positioning application for positioning the terminal, the terminal sends an on-demand PRS request for acquiring the PRS configuration to the base station.
  • the terminal in response to the terminal establishing an RRC connection with the base station, the terminal sends an on-demand PRS request to the base station for acquiring the PRS configuration.
  • the base station in response to the base station receiving the on-demand PRS request sent by the terminal, the base station sends indication information to the terminal.
  • the indication information in response to the base station establishing an RRC connection with the terminal, is sent to the terminal.
  • the base station may periodically send indication information to the terminal.
  • the indication information may instruct the base station to support the terminal to send an on-demand PRS request to the base station.
  • the base station in response to the base station supporting the terminal to send an on-demand PRS request to the base station, can determine the PRS configuration based on the on-demand PRS request sent by the terminal.
  • the operation of determining the on-demand PRS request may be that the terminal determines to send the on-demand PRS request to the base station or the terminal determines not to send the on-demand PRS request to the base station.
  • multiple TRPs need to be used to locate the terminal. Therefore, a base station corresponding to a neighboring cell of the serving cell where the terminal is located may also be required to participate in the positioning of the terminal.
  • the base station in response to the serving base station of the terminal including multiple TRPs, can determine the PRS configuration, and the indication information can instruct the base station to support the terminal to send an on-demand PRS request to the base station.
  • the terminal may send the on-demand PRS request to the base station.
  • the terminal determines whether to send the on-demand PRS request to the base station based on a predetermined PRS configuration.
  • the predetermined PRS configuration may be the current PRS configuration.
  • the terminal in response to the location requirement not being met, the terminal sends an on-demand PRS request to the base station.
  • the terminal in response to the predetermined PRS configuration not meeting the positioning requirement, the terminal sends an on-demand PRS request to the base station.
  • the terminal determines whether to send an on-demand PRS request to the base station based on a predetermined PRS configuration, including:
  • the terminal In response to the predetermined PRS configuration meeting the required PRS configuration, the terminal does not send an on-demand PRS request to the base station;
  • the terminal In response to a PRS configuration in which the predetermined PRS configuration does not meet the requirements, the terminal sends an on-demand PRS request to the base station.
  • the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the base station in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the base station cannot determine the PRS configuration based on the on-demand PRS request sent by the terminal.
  • the neighboring base station and the serving base station are required to perform the positioning of the terminal together.
  • the serving base station needs to exchange information through the Xn interface between the base stations, and obtain the PRS configuration from the neighboring base station. In this case, the delay will be very long.
  • the base station in response to the base station needing to obtain the PRS configuration from a neighboring base station, the base station alone cannot determine the PRS configuration.
  • the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the terminal in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the terminal does not send an on-demand PRS request to the base station.
  • the terminal in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the terminal sends an on-demand PRS request to the LMF, and obtains the PRS configuration from the LMF.
  • the terminal determines whether to send the on-demand PRS request to the LMF based on a predetermined PRS configuration.
  • the operation of determining the sending of the on-demand PRS request may be that the terminal determines to send the on-demand PRS request to the LMF or the terminal determines not to send the on-demand PRS request to the LMF.
  • the terminal determines whether to send an on-demand PRS request to the base station based on a predetermined PRS configuration, including:
  • the terminal In response to the predetermined PRS configuration meeting the required PRS configuration, the terminal does not send an on-demand PRS request to the LMF;
  • the terminal In response to a PRS configuration in which the predetermined PRS configuration does not meet the requirements, the terminal sends an on-demand PRS request to the LMF.
  • the base station sends the PRS configuration to the terminal through an RRC message.
  • the LMF sends the PRS configuration to the terminal through an LPP message.
  • the terminal may determine whether to send the on-demand PRS based on the received indication information, which can reduce the need for the peer end to provide the PRS configuration when compared to the manner in which the on-demand PRS request is sent without the indication of the indication information. Still sending the on-demand PRS to obtain the PRS configuration results in a failure, thereby reducing the delay in obtaining the PRS configuration, reducing the time for locating the terminal, enabling fast locating of the terminal, and improving the experience of the terminal user.
  • the indication information includes one of the following:
  • first information indicating that the base station supports the terminal to send an on-demand PRS request to the base station
  • the second information indicates that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • this embodiment provides a method for wireless communication, wherein, applied to a base station, the method includes:
  • Step 51 Send a system message carrying the indication information to the terminal;
  • the system message may be SIB1 or positioning SIB.
  • the indication information can be carried in the system message, the second message, the fourth message, the RRC message, the MAC message or the DCI message, which improves the message compatibility of the above messages.
  • this embodiment provides a method for wireless communication, wherein, applied to a base station, the method includes:
  • Step 61 In response to receiving the on-demand PRS request sent by the terminal to the base station, the base station cannot provide the PRS configuration requested by the terminal, and sends second information to the terminal for the on-demand PRS request.
  • the neighboring base station and the serving base station are required to perform the positioning of the terminal together.
  • the serving base station needs to exchange information through the Xn interface between the base stations, and obtain the PRS configuration from the neighboring base station. In this case, the delay will be very long.
  • the indication information in response to the base station needing to obtain the PRS configuration from the neighboring base station, the base station alone cannot provide the PRS configuration, the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • second information is sent to the terminal for the on-demand PRS request indicating that the base station does not support the terminal to send the on-demand PRS request to the base station.
  • a PRS request is required to send the second message.
  • the indication information may be transmitted by using RRC, MAC or DCI instead of transmitting the indication information by using a system message.
  • this embodiment provides a method for wireless communication, wherein, applied to LMF, the method includes:
  • Step 71 Send an LPP positioning information request message carrying the indication information to the terminal;
  • the LPP providing assistance data message carrying the indication information is sent to the terminal.
  • the LPP location information request message carries the identification information of the base station used for terminal location.
  • the LPP provides assistance data message carries the identification information of the base station used for terminal positioning.
  • this embodiment provides a method for wireless communication, which is applied to a terminal, and the method includes:
  • Step 81 receiving the indication information sent by the communication node
  • the indication information is used for the terminal to determine the sending operation of the on-demand PRS request.
  • the terminal may be, but is not limited to, a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • RSU Road Side Unit
  • the communication node may be a base station.
  • the base station is an interface device for the terminal to access the network.
  • the base station may be various types of base stations, for example, a base station of a 3G network, a base station of a 4G network, a base station of a 5G network, or other evolved base stations.
  • the communication node may be a functional network element in the core network.
  • the functional network element may be AMF, SMF, UPF, and so on.
  • the communication node is an LMF.
  • base station B when locating terminal A, base station B sends a PRS to terminal A. After receiving the PRS, the terminal A will measure the PRS, for example, measure the RSTD. The distance of Terminal A is determined based on the measurement results.
  • base station B can locate terminal A.
  • the terminal needs to receive the PRS based on the PRS configuration. Therefore, the terminal needs to obtain the PRS configuration before receiving the PRS.
  • the PRS configuration includes PRS parameters such as period, bandwidth and/or pattern.
  • the terminal acquires the PRS configuration from the base station.
  • the terminal sends an on-demand PRS request for acquiring the PRS configuration to the base station. And the terminal will receive the PRS configuration sent by the base station for the on-demand PRS request.
  • the terminal in response to the terminal needing to send a PRS, the terminal sends an on-demand PRS request for acquiring the PRS configuration to the base station.
  • the terminal in response to the activation of a positioning application for positioning the terminal, the terminal sends an on-demand PRS request for acquiring the PRS configuration to the base station.
  • the base station in response to the base station receiving the on-demand PRS request sent by the terminal, the base station sends indication information to the terminal.
  • the base station may periodically send indication information to the terminal.
  • the indication information may instruct the base station to support the terminal to send an on-demand PRS request to the base station.
  • the base station in response to the base station supporting the terminal to send an on-demand PRS request to the base station, can determine the PRS configuration based on the on-demand PRS request sent by the terminal.
  • the operation of determining the on-demand PRS request may be that the terminal determines to send the on-demand PRS request to the base station or the terminal determines not to send the on-demand PRS request to the base station.
  • multiple TRPs need to be used to locate the terminal. Therefore, a base station corresponding to a neighboring cell of the serving cell where the terminal is located may also be required to participate in the positioning of the terminal.
  • the base station in response to the serving base station of the terminal including multiple TRPs, can determine the PRS configuration, and the indication information can instruct the base station to support the terminal to send an on-demand PRS request to the base station.
  • the terminal may send the on-demand PRS request to the base station.
  • the terminal determines whether to send the on-demand PRS request to the base station based on a predetermined PRS configuration.
  • the predetermined PRS configuration may be the current PRS configuration.
  • the terminal in response to the location requirement not being met, the terminal sends an on-demand PRS request to the base station.
  • the terminal in response to the predetermined PRS configuration not meeting the positioning requirement, the terminal sends an on-demand PRS request to the base station.
  • the terminal determines whether to send an on-demand PRS request to the base station based on a predetermined PRS configuration, including:
  • the terminal In response to the predetermined PRS configuration meeting the required PRS configuration, the terminal does not send an on-demand PRS request to the base station;
  • the terminal In response to a PRS configuration in which the predetermined PRS configuration does not meet the requirements, the terminal sends an on-demand PRS request to the base station.
  • the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the base station in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the base station cannot determine the PRS configuration based on the on-demand PRS request sent by the terminal.
  • the neighboring base station and the serving base station are required to perform the positioning of the terminal together.
  • the serving base station needs to exchange information through the Xn interface between the base stations, and obtain the PRS configuration from the neighboring base station. In this case, the delay will be very long.
  • the base station in response to the base station needing to obtain the PRS configuration from a neighboring base station, the base station alone cannot determine the PRS configuration.
  • the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the terminal in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the terminal does not send an on-demand PRS request to the base station.
  • the terminal in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the terminal sends an on-demand PRS request to the LMF, and obtains the PRS configuration from the LMF.
  • the terminal determines whether to send the on-demand PRS request to the LMF based on a predetermined PRS configuration.
  • the predetermined PRS configuration is the initially configured PRS configuration.
  • the operation of determining the sending of the on-demand PRS request may be that the terminal determines to send the on-demand PRS request to the LMF or the terminal determines not to send the on-demand PRS request to the LMF.
  • the terminal determines whether to send an on-demand PRS request to the base station based on a predetermined PRS configuration, including:
  • the terminal In response to the predetermined PRS configuration meeting the required PRS configuration, the terminal does not send an on-demand PRS request to the LMF;
  • the terminal In response to a PRS configuration in which the predetermined PRS configuration does not meet the requirements, the terminal sends an on-demand PRS request to the LMF.
  • the base station sends the PRS configuration to the terminal through an RRC message.
  • the LMF sends the PRS configuration to the terminal through an LPP message.
  • the terminal may determine whether to send the on-demand PRS based on the received indication information, which can reduce the need for the peer end to provide the PRS configuration when compared to the manner in which the on-demand PRS request is sent without the indication of the indication information.
  • the on-demand PRS request is still sent to obtain the PRS configuration, resulting in failure, thereby reducing the delay in obtaining the PRS configuration, reducing the time for locating the terminal, enabling rapid terminal positioning, and improving the experience of the terminal user.
  • the indication information includes one of the following:
  • first information indicating that the base station supports the terminal to send an on-demand PRS request to the base station
  • the second information indicates that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • this embodiment provides a method for wireless communication, wherein, applied to a terminal, the method includes:
  • Step 91 Receive a system message carrying the indication information sent by the base station
  • the system message may be SIB1 or positioning SIB.
  • the indication information can be carried in the system message, the second message, the fourth message, the RRC message, the MAC message or the DCI message, which improves the message compatibility of the above messages.
  • this embodiment provides a method for wireless communication, wherein, applied to a terminal, the method includes:
  • Step 101 Receive second information sent by the base station for the on-demand PRS request after the on-demand PRS request sent by the terminal to the base station.
  • the neighboring base station and the serving base station are required to perform the positioning of the terminal together.
  • the serving base station needs to exchange information through the Xn interface between the base stations, and obtain the PRS configuration from the neighboring base station. In this case, the delay will be very long.
  • the indication information in response to the base station needing to obtain the PRS configuration from the neighboring base station, the base station alone cannot provide the PRS configuration, the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the second information sent by the base station to the terminal for the on-demand PRS request and indicating that the base station does not support the terminal to send the on-demand PRS request to the base station is received.
  • a PRS request is required to send the second message.
  • the indication information may be transmitted by using RRC, MAC or DCI instead of transmitting the indication information by using a system message.
  • this embodiment provides a method for wireless communication, wherein, applied to a terminal, the method includes:
  • Step 111 Receive the LPP location information request message that carries the indication information and is sent by the LMF;
  • the LPP provides assistance data message carrying the indication information sent by the LMF is received.
  • the LPP location information request message carries the identification information of the base station used for terminal location.
  • the LPP provides assistance data message carries the identification information of the base station used for terminal positioning.
  • this embodiment provides a method for wireless communication, wherein, applied to a terminal, the method includes:
  • Step 121 In response to the need to send the on-demand PRS request, send the on-demand PRS request based on the indication information.
  • an on-demand PRS request needs to be sent in response to the launch of a positioning application that locates the terminal.
  • this embodiment provides a method for wireless communication, wherein, applied to a terminal, the method includes:
  • Step 131 In response to the indication information being the first information, the terminal sends an on-demand PRS request to the base station;
  • the terminal In response to the indication information being the first information, the terminal sends an on-demand PRS request to the LMF;
  • the terminal In response to the indication information being the second information, the terminal sends an on-demand PRS request to the LMF.
  • multiple TRPs need to be used to locate the terminal. Therefore, a base station corresponding to a neighboring cell of the serving cell where the terminal is located may also be required to participate in the positioning of the terminal.
  • the base station in response to the serving base station of the terminal including multiple TRPs, can determine the PRS configuration, and the indication information can instruct the base station to support the terminal to send an on-demand PRS request to the base station.
  • the terminal may send the on-demand PRS request to the base station or the LMF.
  • the terminal determines whether to send the on-demand PRS request to the base station based on a predetermined PRS configuration.
  • the terminal determines whether to send an on-demand PRS request to the base station based on a predetermined PRS configuration, including:
  • the terminal In response to the predetermined PRS configuration meeting the required PRS configuration, the terminal does not send an on-demand PRS request to the base station;
  • the terminal In response to a PRS configuration in which the predetermined PRS configuration does not meet the requirements, the terminal sends an on-demand PRS request to the base station.
  • the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the neighboring base station in response to the TRP contained in the serving base station of the terminal being less than the threshold of the number of TRPs required for positioning, the neighboring base station is required to perform the positioning of the terminal together with the serving base station.
  • the serving base station needs to exchange information through the Xn interface between the base stations, and obtain the PRS configuration from the neighboring base station. In this case, the delay will be very long.
  • the base station in response to the base station needing to acquire the PRS configuration from a neighboring base station, the base station alone cannot determine the PRS configuration, and the indication information may indicate that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the terminal in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the terminal does not send an on-demand PRS request to the base station.
  • the terminal in response to the base station not supporting the terminal to send an on-demand PRS request to the base station, the terminal sends an on-demand PRS request to the LMF, and obtains the PRS configuration from the LMF.
  • the terminal determines whether to send the on-demand PRS request to the LMF based on a predetermined PRS configuration.
  • the predetermined PRS configuration is the initially configured PRS configuration.
  • the operation of determining the sending of the on-demand PRS request may be that the terminal determines to send the on-demand PRS request to the LMF or the terminal determines not to send the on-demand PRS request to the LMF.
  • the terminal determines whether to send an on-demand PRS request to the base station based on a predetermined PRS configuration, including:
  • the terminal In response to the predetermined PRS configuration meeting the required PRS configuration, the terminal does not send an on-demand PRS request to the LMF;
  • the terminal In response to a PRS configuration in which the predetermined PRS configuration does not meet the requirements, the terminal sends an on-demand PRS request to the LMF.
  • this embodiment provides a method for wireless communication, wherein, applied to a terminal, the method includes:
  • Step 141 In response to the indication information being the second information, the terminal sends a PRS using a predetermined PRS configuration, wherein the predetermined PRS configuration is an initially configured PRS configuration.
  • the terminal does not send an on-demand PRS request to the LMF in response to the predetermined PRS configuration meeting the on-demand PRS configuration.
  • an embodiment of the present disclosure provides an apparatus for wireless communication, wherein, when applied to a communication node, the apparatus includes a first sending module 151, wherein:
  • the first sending module 151 is configured to send indication information to the terminal;
  • the indication information is used for the terminal to determine the sending operation of the on-demand PRS request.
  • the first sending module 151 is configured to: the indication information includes one of the following:
  • the first information indicating that the base station supports the terminal to send an on-demand PRS request to the base station
  • the second information indicates that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the communication node is a base station; the first sending module 151 is further configured to:
  • the first sending module 151 is further configured to:
  • the base station In response to receiving the on-demand PRS request sent by the terminal to the base station, the base station cannot provide the PRS configuration, and sends second information to the terminal for the on-demand PRS request.
  • the communication node is an LMF; the first sending module 151 is further configured to:
  • the LPP providing assistance data message carrying the indication information is sent to the terminal.
  • an embodiment of the present disclosure provides an apparatus for wireless communication, wherein, when applied to a terminal, the apparatus includes a receiving module 161, wherein:
  • the receiving module 161 is configured to receive the indication information sent by the communication node
  • the indication information is used for the terminal to determine the sending operation of the on-demand PRS request.
  • the receiving module 161 is configured to: the indication information includes one of the following:
  • the first information indicating that the base station supports the terminal to send an on-demand PRS request to the base station
  • the second information indicates that the base station does not support the terminal to send an on-demand PRS request to the base station.
  • the communication node is a base station; the receiving module 171 is further configured to:
  • the DCI message that carries the indication information sent by the base station is received.
  • the receiving module 161 is further configured to:
  • Second information sent by the base station for the on-demand PRS request after the on-demand PRS request sent by the terminal to the base station is received.
  • the communication node is an LMF; the receiving module 161 is further configured to:
  • LPF Long Term Evolution Positioning Protocol
  • the LPP provides assistance data message carrying the indication information sent by the LMF is received.
  • the apparatus includes a second sending module 162, wherein,
  • the second sending module 162 is configured to: in response to the need to send the on-demand PRS request, send the on-demand PRS request based on the indication information.
  • the second sending module 162 is further configured to:
  • the terminal In response to the indication information being the first information, the terminal sends an on-demand PRS request to the base station;
  • the terminal In response to the indication information being the first information, the terminal sends an on-demand PRS request to the LMF;
  • the terminal In response to the indication information being the second information, the terminal sends an on-demand PRS request to the LMF.
  • the second sending module 162 is further configured to:
  • the terminal uses the predetermined PRS configuration to receive the PRS, wherein the predetermined PRS configuration is the initially configured PRS configuration.
  • Embodiments of the present disclosure provide a communication device, the communication device includes:
  • memory for storing processor-executable instructions
  • the processor is configured to, when executing the executable instructions, implement the method applied to any embodiment of the present disclosure.
  • the processor may include various types of storage media, which are non-transitory computer storage media that can continue to memorize and store information on the communication device after the power is turned off.
  • the processor can be connected to the memory through a bus or the like, and is used to read the executable program stored on the memory.
  • An embodiment of the present disclosure further provides a computer storage medium, wherein the computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, the method of any embodiment of the present disclosure is implemented.
  • an embodiment of the present disclosure provides a structure of a terminal.
  • this embodiment provides a terminal 800, which may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc. .
  • the terminal 800 may include one or more of the following components: a processing component 802, a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and communication component 816.
  • the processing component 802 generally controls the overall operations of the terminal 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 802 can include one or more processors 820 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 802 may include one or more modules that facilitate interaction between processing component 802 and other components.
  • processing component 802 may include a multimedia module to facilitate interaction between multimedia component 808 and processing component 802.
  • Memory 804 is configured to store various types of data to support operation at device 800 . Examples of such data include instructions for any application or method operating on the terminal 800, contact data, phonebook data, messages, pictures, videos, and the like. Memory 804 may be implemented by any type of volatile or nonvolatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply component 806 provides power to various components of terminal 800 .
  • Power supply components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to terminal 800 .
  • Multimedia component 808 includes screens that provide an output interface between terminal 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can sense not only the boundaries of a touch or swipe action, but also the duration and pressure associated with the touch or swipe action.
  • multimedia component 808 includes a front-facing camera and/or a rear-facing camera. When the device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data.
  • Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 810 is configured to output and/or input audio signals.
  • the audio component 810 includes a microphone (MIC) that is configured to receive external audio signals when the terminal 800 is in an operating mode, such as a calling mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 804 or transmitted via communication component 816 .
  • audio component 810 also includes a speaker for outputting audio signals.
  • the I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 814 includes one or more sensors for providing various aspects of the status assessment of terminal 800 .
  • the sensor component 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and keypad of the terminal 800, the sensor component 814 can also detect the position change of the terminal 800 or a component of the terminal 800, the user The presence or absence of contact with the terminal 800, the orientation or acceleration/deceleration of the terminal 800 and the temperature change of the terminal 800.
  • Sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 816 is configured to facilitate wired or wireless communication between terminal 800 and other devices.
  • the terminal 800 can access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • terminal 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 804 including instructions, which are executable by the processor 820 of the terminal 800 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • an embodiment of the present disclosure shows a structure of a base station.
  • the base station 900 may be provided as a network-side device.
  • base station 900 includes processing component 922, which further includes one or more processors, and a memory resource represented by memory 932 for storing instructions executable by processing component 922, such as application programs.
  • An application program stored in memory 932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to perform any of the aforementioned methods applied to the base station.
  • the base station 900 may also include a power supply assembly 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to a network, and an input output (I/O) interface 958.
  • Base station 900 may operate based on an operating system stored in memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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Abstract

本公开实施例提供了一种无线通信的方法，其中，应用于通信节点，所述方法，包括：向终端发送指示信息；其中，指示信息，用于供终端确定按需定位参考信号(PRS)请求的发送操作。

Description

无线通信的方法、装置、通信设备及存储介质 技术领域
本公开涉及无线通信技术领域但不限于无线通信技术领域，尤其涉及一种无线通信的方法、装置、通信设备及存储介质。
背景技术
第五代移动通信网络(5G，5 th Generation mobile networks)技术的第16版(R16，Release 16)引入了多种终端定位技术，都可以实现对终端的定位。对于部分所述终端定位技术，需要利用定位参考信号(PRS，Positioning reference signaling)进行定位。所述终端会请求接收所述定位参考信号(PRS)的定位参考信号(PRS)配置以获得所述定位参考信号(PRS)配置。在获得所述定位参考信号(PRS)配置后，所述终端基于所述定位参考信号(PRS)配置接收所述定位参考信号(PRS)。
相关技术中，所述终端获取所述定位参考信号(PRS)配置的时延较长，导致定位时间长。在对终端进行定位时，较长的定位时间会给所述终端用户带来不好的体验。
发明内容
本公开实施例公开了一种无线通信的方法、装置、通信设备及存储介质。
根据本公开实施例的第一方面，提供一种无线通信的方法，其中，应用于通信节点，所述方法，包括：
向终端发送指示信息；
其中，所述指示信息，用于供所述终端确定按需定位参考信号(PRS)请求的发送操作。
根据本公开实施例的第二方面，提供一种无线通信的方法，其中，应用于终端，所述方法，包括：
接收通信节点发送的指示信息；
其中，所述指示信息，用于供所述终端确定按需定位参考信号(PRS)请求的发送操作。
根据本公开实施例的第三方面，提供一种无线通信的装置，其中，应用于通信节点，所述装置包括第一发送模块，其中，
所述第一发送模块，被配置为向终端发送指示信息；
其中，所述指示信息，用于供所述终端确定按需定位参考信号(PRS)请求的发送操作。
根据本公开实施例的第四方面，提供一种无线通信的装置，其中，应用于终端，所述装置，包括接收模块，其中，
所述接收模块，被配置为接收通信节点发送的指示信息；
其中，所述指示信息，用于供所述终端确定按需定位参考信号(PRS)请求的发送操作。
根据本公开实施例的第五方面，提供一种通信设备，所述通信设备，包括：
处理器；
用于存储所述处理器可执行指令的存储器；
其中，所述处理器被配置为：用于运行所述可执行指令时，实现本公开任意实施例所述的方法。
根据本公开实施例的第六方面，提供一种计算机存储介质，所述计算机存储介质存储有计算机可执行程序，所述可执行程序被处理器执行时实现本公开任意实施例所述的方法。
本公开实施例中，向终端发送指示信息；其中，所述指示信息，用于供所述终端确定按需定位参考信号(PRS)请求的发送操作。这样，所述终端可以基于接收到的所述指示信息确定是否发送所述按需定位参考信号(PRS)，相较于在无所述指示信息指示的情况下发送所述按需定位参考信号(PRS)请求的方式，能够减少在对端不能提供定位参考信号(PRS)配置时仍发送所述按需定位参考信号(PRS)请求获取所述定位参考信号(PRS)配置导致失败的情况，从而减少了获取定位参考信号(PRS)配置的时延，减少了对终端进行定位的时间，可以实现对所述终端的快速定位，提升了终端用户的体验。
附图说明
图1是一种无线通信系统的结构示意图。
图2是根据一示例性实施例示出的一种相对定位的场景示意图。
图3是根据一示例性实施例示出的一种相对定位的场景示意图。
图4是根据一示例性实施例示出的一种无线通信的方法的流程示意图。
图5是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图6是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图7是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图8是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图9是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图10是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图11是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图12是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图13是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图14是根据一示例性实施例示出的一种无线通信方法的流程示意图。
图15是根据一示例性实施例示出的一种无线通信装置的示意图。
图16是根据一示例性实施例示出的一种无线通信装置的示意图。
图17是根据一示例性实施例示出的一种终端的结构示意图。
图18是根据一示例性实施例示出的一种基站的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有 表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
出于简洁和便于理解的目的，本文在表征大小关系时，所使用的术语为“大于”或“小于”。但对于本领域技术人员来说，可以理解：术语“大于”也涵盖了“大于等于”的含义，“小于”也涵盖了“小于等于”的含义。
请参考图1，其示出了本公开实施例提供的一种无线通信系统的结构示意图。如图1所示，无线通信系统是基于蜂窝移动通信技术的通信系统，该无线通信系统可以包括：若干个用户设备110以及若干个基站120。
其中，用户设备110可以是指向用户提供语音和/或数据连通性的设备。用户设备110可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，用户设备110可以是物联网用户设备，如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网用户设备的计算机，例如，可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如，站(Station，STA)、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程用户设备(remote terminal)、接入用户设备(access terminal)、用户装置(user terminal)、用户代理(user agent)、用户设备(user device)、或用户设备(user equipment)。或者，用户设备110也可以是无人飞行器的设备。或者，用户设备110也可以是车载设备，比如，可以是具有无线通信功能的行车电脑，或者是外接行车电脑的无线用户设备。或者，用户设备110也可以是路边设备，比如，可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
基站120可以是无线通信系统中的网络侧设备。其中，该无线通信系统可以是第四代移动通信技术(the 4th generation mobile communication，4G)系统，又称长期演进(Long Term Evolution，LTE)系统；或者，该无线通信系统也可以是5G系统，又称新空口系统或5G NR系统。或者，该无线通信系统也可以是5G系统的再下一代系统。其中，5G系统中的接入网可以称为NG-RAN(New Generation-Radio Access Network，新一代无线接入网)。
其中，基站120可以是4G系统中采用的演进型基站(eNB)。或者，基站120也可以是5G系统中采用集中分布式架构的基站(gNB)。当基站120采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议(Packet Data  Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本公开实施例对基站120的具体实现方式不加以限定。
基站120和用户设备110之间可以通过无线空口建立无线连接。在不同的实施方式中，该无线空口是基于第四代移动通信网络技术(4G)标准的无线空口；或者，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
在一些实施例中，用户设备110之间还可以建立E2E(End to End，端到端)连接。比如车联网通信(vehicle to everything，V2X)中的V2V(vehicle to vehicle，车对车)通信、V2I(vehicle to Infrastructure，车对路边设备)通信和V2P(vehicle to pedestrian，车对人)通信等场景。
这里，上述用户设备可认为是下面实施例的终端设备。
在一些实施例中，上述无线通信系统还可以包含网络管理设备130。
若干个基站120分别与网络管理设备130相连。其中，网络管理设备130可以是无线通信系统中的核心网设备，比如，该网络管理设备130可以是演进的数据分组核心网(Evolved Packet Core，EPC)中的移动性管理实体(Mobility Management Entity，MME)。或者，该网络管理设备也可以是其它的核心网设备，比如服务网关(Serving GateWay，SGW)、公用数据网网关(Public Data Network GateWay，PGW)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)或者归属签约用户服务器(Home Subscriber Server，HSS)等。对于网络管理设备130的实现形态，本公开实施例不做限定。
为了更好地理解本公开任一个实施例所描述的技术方案，首先，对终端定位的应用场景进行说明。
在一个实施例中，终端需要基于PRS配置接收PRS。
在一些实施例中，PRS配置包括PRS的周期、带宽和/或样式等PRS配置参数。
在一个实施例中，基站将PRS配置发送给LMF。LMF再将PRS配置发送给终端。
在一个实施例中，请参见图2，LMF通过新空口定位协议A(NRPPa，NR Positioning Protocol A)消息向基站请求到达时间差(OTDOA，Observed Time Difference of Arrival)信息。
在一个实施例中，基站在接收到请求后，通过NRPPa消息向LMF发送应答消息，该应答消息包含了PRS配置。
在一个实施例中，请参见图3，当LMF接收到PRS配置后，通过LPP消息将PRS配置发送给终端。
在一个实施例中，当LMF接收到PRS配置后，LMF向基站发送定位系统消息，其中，定位系统消息中包含了PRS配置信息。
在一些实施例中，通过操作维护管理(OAM，Operation Administration and Maintenance)给基站配置PRS参数，这种PRS的配置为半静态配置且为小区级别的参数配置。
该配置方式中，PRS参数不能动态改变，不能为不同的终端配置不同的PRS参数，从而PRS配置不能满足不同终端的定位需求。
在一个实施例中，引入基于请求的PRS配置的方式，通过发送请求的方式获取PRS配置。
在一些实施例中，基于请求的PRS配置的方式，包括：
终端向基站发送按需PRS请求；
或者，
终端向LMF发送按需PRS请求；
或者，
LMF向基站发送按需PRS请求。
在一个实施例中，对终端进行定位时，需要利用多个传输接收点(TRP，Transmission Reception Point)进行终端定位，因此，可能需要终端所处小区的邻小区对应的基站也参与终端的定位。
在一个实施例中，当终端向服务小区对应的服务基站发送按需PRS请求后，如果该服务基站确认还需要终端的邻基站参与终端的定位，则服务基站可以通过基站之间的接口获取邻基站的PRS配置，或者通过LMF获取邻基站的PRS配置。
在一个实施例，基站将终端请求的PRS配置发送给终端，其中，该PRS配置包含了服务基站和邻基站的PRS配置。
但是，该过程时延较长，且可能还需要基站之间的Xn接口来交互信息，因此，当终端定位需要服务基站和邻基站都参与时，终端向基站发送按需PRS请求的方式效果并不好，甚至导致获取PRS配置失败。
在一个实施例中，如果对终端进行定位只需要服务基站参与，即此时服务基站包含多个TRP，则服务基站能够确定PRS配置。在服务基站接收到终端发送的按需PRS请求后，能及时将PRS配置发送给终端，降低了定位时延。
在一个实施例中，为了更好地满足定位业务的需求，终端会根据定位业务的需求向基站或LMF发送请求，以获取能够满足定位业务的需求的PRS配置。这里，该请求为按需PRS请求。即终端向基站或LMF发送按需PRS请求，基站和/或LMF根据终端的请求向终端提供PRS配置。在获得PRS配置后，终端基于PRS配置接收PRS。
相关技术中，如果终端向基站发送按需PRS请求，根据基站的部署场景，可能终端获取需要的PRS配置的时延较长，导致定位时间长，给终端用户带来不好的体验。因此，可以引入指示信息，所述指示信息用于指示基站是否支持终端向基站发送按需PRS请求。
如图4所示，本实施例中提供一种无线通信的方法，其中，应用于通信节点，该方法，包括：
步骤41、向终端发送指示信息；
其中，指示信息，用于供终端确定按需PRS请求的发送操作。
在一些实施例中，终端可以是但不限于是手机、可穿戴设备、车载终端、路侧单元(RSU，Road Side Unit)、智能家居终端和工业用传感设备等终端。
在一个实施例中，通信节点可以是基站。
该基站为终端接入网络的接口设备。
在一些实施例中，基站可以为各种类型的基站，例如，第三代移动通信(3G)网络的基站、第四代移动通信(4G)网络的基站、第五代移动通信(5G)网络的基站或其它演进型基站。
在一个实施例中，通信节点可以是核心网中的功能网元。
这里，该功能网元可以是接入和移动管理功能(AMF，Access and Mobility Management Function)、会话管理功能(SMF，Session Management Function)和用户面管理功能(UPF，User Plane Function)等。
在一个实施例中，通信节点为LMF。
在一个实施例中，在对终端A进行定位时，基站B会向终端A发送PRS。终端A在接收到PRS后，会对PRS进行测量，例如,测量参考信号时间差(RSTD，Reference Signal Time Difference)。基于测量结果确定终端A的距离。
如此，基于终端A测量到的RSTD，基站B可以对终端A进行定位。
在一个实施例中，终端需要基于PRS配置接收PRS。因此，终端在接收PRS前需要获取PRS配置。
在一些实施例中，PRS配置包括周期、带宽和/或样式等定位参考信号(PRS)参数。
在一个实施例中，终端从基站获取PRS配置。
在一个实施例中，终端向基站发送获取PRS配置的按需PRS请求。并且终端会接收基站针对按需PRS请求发送的PRS配置。
在一个实施例中，响应于终端需要接收PRS，终端向基站发送获取PRS配置的按需PRS请求。
在一个实施例中，响应于对终端进行定位的定位应用启动，终端向基站发送获取PRS配置的按需PRS请求。
在一个实施例中，响应于终端与基站建立RRC连接，终端向基站发送获取PRS配置的按需PRS请求。
在一个实施例中，响应于基站接收到终端发送的按需PRS请求，向终端发送指示信息。
在一个实施例中，响应于基站与终端建立RRC连接，向终端发送指示信息。
在一个实施例中，基站可以周期性地向终端发送指示信息。
在一个实施例中，指示信息，可以指示基站支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站支持终端向基站发送按需PRS请求，基站能够基于终端发送的按需PRS请求确定PRS配置。
在一个实施例中，确定按需PRS请求的发送操作可以是终端确定向基站发送按需PRS请求或者终端确定不向基站发送按需PRS请求。
在一个实施例中，需要利用多个TRP对终端进行定位。因此，可能需要终端所处服务小区的邻小区对应的基站也要参与终端的定位。
在一个实施例中，响应于终端的服务基站包含多个TRP，基站能够确定PRS配置，所述指示信息可以指示基站支持终端向基站发送按需PRS请求。
在一个实施例中，终端在接收到指示基站支持终端向基站发送按需PRS请求后，就可以向基站发送按需PRS请求。
在一个实施例中，终端在接收到指示基站支持终端向基站发送按需PRS请求后，终端基于预定PRS配置确定是否向基站发送按需PRS请求。
在一个实施例中，预定PRS配置可以是当前的PRS配置。
在一个实施例中，响应于不满足定位需求，终端向基站发送按需PRS请求。
在一个实施例中，响应于预定PRS配置不满足定位需求，终端向基站发送按需PRS请求。
在一个实施例中，不满足定位需求，可以是当前基站没有发送PRS和/或终端没有可以用于接收PRS的PRS配置。在一个实施例中，终端基于预定PRS配置确定是否向基站发送按需PRS请求，包括：
响应于预定PRS配置满足需求的PRS配置，终端不向基站发送按需PRS请求；
和/或，
响应于预定PRS配置不满足需求的PRS配置，终端向基站发送按需PRS请求。
在一个实施例中，指示信息，可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，基站不能够基于终端发送的按需PRS请求确定PRS配置。
在一个实施例中，响应于终端的服务基站包含的TRP小于定位需要的TRP数量阈值，需要邻基站与服务基站一起进行终端的定位。
在一个实施例中，服务基站需要通过基站之间的Xn接口进行信息交互，从邻基站获取PRS配置。此时，时延会很长。
在一个实施例中，响应于基站需要从邻基站获取PRS配置，基站单独不能够确定PRS配置，此时，所述指示信息可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，终端不向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，终端向LMF发送按需PRS请求，从LMF获取PRS配置。
在一个实施例中，终端在接收到指示基站不支持终端向基站发送按需PRS请求后，终端基于预定PRS配置确定是否向LMF发送按需PRS请求。
在一个实施例中，确定按需PRS请求的发送操作可以是终端确定向LMF发送按需PRS请求或者终端确定不向LMF发送按需PRS请求。
在一个实施例中，终端基于预定PRS配置确定是否向基站发送按需PRS请求，包括：
响应于预定PRS配置满足需求的PRS配置，终端不向LMF发送按需PRS请求；
和/或，
响应于预定PRS配置不满足需求的PRS配置，终端向LMF发送按需PRS请求。
在一个实施例中，基站通过RRC消息向终端发送PRS配置。
在一个实施例中，LMF通过LPP消息向终端发送PRS配置。
在一个实施例中，终端可以基于接收到的指示信息确定是否发送按需PRS，相较于在无指示信息指示的情况下发送按需PRS请求的方式，能够减少在对端不能提供PRS配置时仍发送按需PRS获取PRS 配置导致失败的情况，从而减少了获取PRS配置的时延，减少了对终端进行定位的时间，可以实现对终端的快速定位，提升了终端用户的体验。
在一个实施例中，指示信息，包括以下之一：
第一信息，指示基站支持所述终端向基站发送按需PRS请求；
第二信息，指示基站不支持终端向基站发送按需PRS请求。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图5所示，本实施例中提供一种无线通信的方法，其中，应用于基站，该方法，包括：
步骤51、向终端发送携带有指示信息的系统消息；
或者，
在随机接入过程中，向终端发送携带有指示信息的MSG2；
或者，
在随机接入过程中，向终端发送携带有指示信息的MSG4；
或者，
向终端发送携带有指示信息的RRC消息；
或者，
向终端发送携带有指示信息的MAC消息；
或者，
向终端发送携带有指示信息的DCI消息。
在一个实施例中，系统消息可以是SIB1或者定位SIB。
如此，指示信息可以携带在系统消息、第二消息、第四消息、RRC消息、MAC消息或DCI消息中，提升了上述消息的消息兼容性。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图6所示，本实施例中提供一种无线通信的方法，其中，应用于基站，该方法，包括：
步骤61、响应于接收到终端向基站发送的按需PRS请求后基站不能提供终端请求的PRS配置，针对按需PRS请求向终端发送第二信息。
在一个实施例中，响应于终端的服务基站包含的TRP数量小于定位需要的TRP的数量阈值，需要邻基站与服务基站一起进行终端的定位。
在一个实施例中，服务基站需要通过基站之间的Xn接口进行信息交互，从邻基站获取PRS配置。此时，时延会很长。
在一个实施例中，响应于基站需要从邻基站获取PRS配置，基站单独不能够提供PRS配置，所述指示信息可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，接收终端向基站发送的按需PRS请求后，针对按需PRS请求向终端发送指示基站不支持终端向基站发送按需PRS请求第二信息。
在一个实施例中，响应于基站具有确定按需PRS请求所请求的PRS配置的能力(即基站能够单独确定PRS配置)但基站不能满足多个终端请求多个不同PRS配置的需求，则针对按需PRS请求发送第二消息。
例如，多个终端同时向基站发送按需PRS请求，且PRS请求所请求的PRS配置还不相同，则基站不可能同时满足所有终端的按需PRS请求，则只能针对按需PRS请求向终端发送第二信息。这里，可以使用RRC、MAC或DCI发送指示信息，而不使用系统消息发送指示信息。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图7所示，本实施例中提供一种无线通信的方法，其中，应用于LMF，该方法，包括：
步骤71、向终端发送携带有指示信息的LPP定位信息请求消息；
或者，
向终端发送携带有指示信息的LPP提供辅助数据消息。
在一个实施例中，LPP定位信息请求消息携带了用于终端定位的基站的标识信息。
在一个实施例中，LPP提供辅助数据消息携带了用于终端定位的基站的标识信息。
如此，利用LPP提供辅助数据消息或者LPP提供辅助数据消息发送指示信息，提升了LPP提供辅助数据消息或者LPP提供辅助数据消息的消息兼容性。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图8所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤81、接收通信节点发送的指示信息；
其中，指示信息，用于供终端确定按需PRS请求的发送操作。
在一些实施例中，终端可以是但不限于是手机、可穿戴设备、车载终端、路侧单元(RSU，Road Side Unit)、智能家居终端和工业用传感设备等终端。
在一个实施例中，通信节点可以是基站。
该基站为终端接入网络的接口设备。
在一些实施例中，基站可以为各种类型的基站，例如，3G网络的基站、4G网络的基站、5G网络的基站或其它演进型基站。
在一个实施例中，通信节点可以是核心网中的功能网元。
这里，该功能网元可以是AMF、SMF和UPF等。
在一个实施例中，通信节点为LMF。
在一个实施例中，在对终端A进行定位时，基站B会向终端A发送PRS。终端A在接收到PRS 后，会对PRS进行测量，例如,测量RSTD。基于测量结果确定终端A的距离。
如此，基于终端A测量到的RSTD，基站B可以对终端A进行定位。
在一个实施例中，终端需要基于PRS配置接收PRS。因此，终端在接收PRS前需要获取PRS配置。
在一些实施例中，PRS配置包括周期、带宽和/或样式等PRS参数。
在一个实施例中，终端从基站获取所述PRS配置。
在一个实施例中，终端向基站发送获取所述PRS配置的按需PRS请求。并且终端会接收基站针对按需PRS请求发送的PRS配置。
在一个实施例中，响应于终端需要发送PRS，终端向基站发送获取所述PRS配置的按需PRS请求。
在一个实施例中，响应于对终端进行定位的定位应用启动，终端向基站发送获取所述PRS配置的按需PRS请求。
在一个实施例中，响应于基站接收到终端发送的按需PRS请求，向终端发送指示信息。
在一个实施例中，基站可以周期性地向终端发送指示信息。
在一个实施例中，指示信息，可以指示基站支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站支持终端向基站发送按需PRS请求，基站能够基于终端发送的按需PRS请求确定PRS配置。
在一个实施例中，确定按需PRS请求的发送操作可以是终端确定向基站发送按需PRS请求或者终端确定不向基站发送按需PRS请求。
在一个实施例中，需要利用多个TRP对终端进行定位。因此，可能需要终端所处服务小区的邻小区对应的基站也要参与终端的定位。
在一个实施例中，响应于终端的服务基站包含多个TRP，基站能够确定PRS配置，所述指示信息可以指示基站支持终端向基站发送按需PRS请求。
在一个实施例中，终端在接收到指示基站支持终端向基站发送按需PRS请求后，就可以向基站发送按需PRS请求。
在一个实施例中，终端在接收到指示基站支持终端向基站发送按需PRS请求后，终端基于预定PRS配置确定是否向基站发送按需PRS请求。
在一个实施例中，预定PRS配置可以是当前的PRS配置。
在一个实施例中，响应于不满足定位需求，终端向基站发送按需PRS请求。
在一个实施例中，响应于预定PRS配置不满足定位需求，终端向基站发送按需PRS请求。
在一个实施例中，不满足定位需求，可以是当前基站没有发送PRS和/或终端没有可以用于接收PRS的PRS配置。在一个实施例中，终端基于预定PRS配置确定是否向基站发送按需PRS请求，包括：
响应于预定PRS配置满足需求的PRS配置，终端不向基站发送按需PRS请求；
和/或，
响应于预定PRS配置不满足需求的PRS配置，终端向基站发送按需PRS请求。
在一个实施例中，指示信息，可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，基站不能够基于终端发送的 按需PRS请求确定PRS配置。
在一个实施例中，响应于终端的服务基站包含的TRP小于定位需要的TRP数量阈值，需要邻基站与服务基站一起进行终端的定位。
在一个实施例中，服务基站需要通过基站之间的Xn接口进行信息交互，从邻基站获取PRS配置。此时，时延会很长。
在一个实施例中，响应于基站需要从邻基站获取PRS配置，基站单独不能够确定PRS配置，此时，所述指示信息可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，终端不向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，终端向LMF发送按需PRS请求，从LMF获取PRS配置。
在一个实施例中，终端在接收到指示基站不支持终端向基站发送按需PRS请求后，终端基于预定PRS配置确定是否向LMF发送按需PRS请求。
在一个实施例中，预定PRS配置为初始配置的PRS配置。
在一个实施例中，确定按需PRS请求的发送操作可以是终端确定向LMF发送按需PRS请求或者终端确定不向LMF发送按需PRS请求。
在一个实施例中，终端基于预定PRS配置确定是否向基站发送按需PRS请求，包括：
响应于预定PRS配置满足需求的PRS配置，终端不向LMF发送按需PRS请求；
和/或，
响应于预定PRS配置不满足需求的PRS配置，终端向LMF发送按需PRS请求。
在一个实施例中，基站通过RRC消息向终端发送PRS配置。
在一个实施例中，LMF通过LPP消息向终端发送PRS配置。
在一个实施例中，终端可以基于接收到的指示信息确定是否发送按需PRS，相较于在无指示信息指示的情况下发送按需PRS请求的方式，能够减少在对端不能提供PRS配置时仍发送按需PRS请求获取PRS配置导致失败的情况，从而减少了获取PRS配置的时延，减少了对终端进行定位的时间，可以实现对终端的快速定位，提升了终端用户的体验。
在一个实施例中，指示信息，包括以下之一：
第一信息，指示基站支持所述终端向基站发送按需PRS请求；
第二信息，指示基站不支持终端向基站发送按需PRS请求。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图9所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤91、接收所述基站发送的携带有所述指示信息的系统消息；
或者，
在随机接入过程中，接收所述基站发送的携带有所述指示信息的MSG2；
或者，
在随机接入过程中，接收所述基站发送的携带有所述指示信息的MSG4；
或者，
接收所述基站发送的携带有所述指示信息的RRC消息；
或者，
接收所述基站发送的携带有所述指示信息的MAC消息；
或者，
接收所述基站发送的携带有所述指示信息的DCI消息。
在一个实施例中，系统消息可以是SIB1或者定位SIB。
如此，指示信息可以携带在系统消息、第二消息、第四消息、RRC消息、MAC消息或DCI消息中，提升了上述消息的消息兼容性。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图10所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤101、接收基站在终端向基站发送的按需PRS请求后针对按需PRS请求发送的第二信息。
在一个实施例中，响应于终端的服务基站包含的TRP数量小于定位需要的TRP的数量阈值，需要邻基站与服务基站一起进行终端的定位。
在一个实施例中，服务基站需要通过基站之间的Xn接口进行信息交互，从邻基站获取PRS配置。此时，时延会很长。
在一个实施例中，响应于基站需要从邻基站获取PRS配置，基站单独不能够提供PRS配置，所述指示信息可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，终端向基站发送按需PRS请求后，接收基站针对按需PRS请求向终端发送的指示基站不支持终端向基站发送按需PRS请求的第二信息。
在一个实施例中，响应于基站具有确定按需PRS请求所请求的PRS配置的能力(即基站能够单独确定PRS配置)但基站不能满足多个终端请求多个不同PRS配置的需求，则针对按需PRS请求发送第二消息。
例如，多个终端同时向基站发送按需PRS请求，且PRS请求所请求的PRS配置还不相同，则基站不可能同时满足所有终端的按需PRS请求，则只能针对按需PRS请求向终端发送第二信息。
这里，可以使用RRC、MAC或DCI发送指示信息，而不使用系统消息发送指示信息。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图11所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤111、接收LMF发送的携带有指示信息的LPP定位信息请求消息；
或者，
接收LMF发送的携带有指示信息的LPP提供辅助数据消息。
在一个实施例中，LPP定位信息请求消息携带了用于终端定位的基站的标识信息。
在一个实施例中，LPP提供辅助数据消息携带了用于终端定位的基站的标识信息。
如此，利用LPP提供辅助数据消息或者LPP提供辅助数据消息发送指示信息，提升了LPP提供辅助数据消息或者LPP提供辅助数据消息的消息兼容性。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图12所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤121、响应于需要发送按需PRS请求，基于指示信息发送按需PRS请求。
在一个实施例中，响应于对终端进行定位的定位应用启动，确定需要发送按需PRS请求。
在一个实施例中，响应于终端与基站之间的RRC连接建立，确定需要发送按需PRS请求。
如图13所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤131、响应于指示信息为第一信息，终端向基站发送按需PRS请求；
或者，
响应于指示信息为第一信息，终端向LMF发送按需PRS请求；
或者，
响应于指示信息为第二信息，终端向LMF发送按需PRS请求。
在一个实施例中，需要利用多个TRP对终端进行定位。因此，可能需要终端所处服务小区的邻小区对应的基站也要参与终端的定位。
在一个实施例中，响应于终端的服务基站包含多个TRP，基站能够确定PRS配置，所述指示信息可以指示基站支持终端向基站发送按需PRS请求。
在一个实施例中，终端在接收到指示基站支持终端向基站发送按需PRS请求后，就可以向基站或者LMF发送按需PRS请求。
在一个实施例中，终端在接收到指示基站支持终端向基站发送按需PRS请求后，终端基于预定PRS配置确定是否向基站发送按需PRS请求。
在一个实施例中，终端基于预定PRS配置确定是否向基站发送按需PRS请求，包括：
响应于预定PRS配置满足需求的PRS配置，终端不向基站发送按需PRS请求；
和/或，
响应于预定PRS配置不满足需求的PRS配置，终端向基站发送按需PRS请求。
在一个实施例中，指示信息，可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，响应于终端的服务基站包含的TRP小于定位需要的TRP数量阈值，需要邻基站 与服务基站一起进行终端的定位。
在一个实施例中，服务基站需要通过基站之间的Xn接口进行信息交互，从邻基站获取PRS配置。此时，时延会很长。
在一个实施例中，响应于基站需要从邻基站获取PRS配置，基站单独不能够确定PRS配置，所述指示信息可以指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，终端不向基站发送按需PRS请求。
在一个实施例中，响应于基站不支持终端向基站发送按需PRS请求，终端向LMF发送按需PRS请求，从LMF获取PRS配置。
在一个实施例中，终端在接收到指示基站不支持终端向基站发送按需PRS请求后，终端基于预定PRS配置确定是否向LMF发送按需PRS请求。
在一个实施例中，预定PRS配置为初始配置的PRS配置。
在一个实施例中，确定按需PRS请求的发送操作可以是终端确定向LMF发送按需PRS请求或者终端确定不向LMF发送按需PRS请求。
在一个实施例中，终端基于预定PRS配置确定是否向基站发送按需PRS请求，包括：
响应于预定PRS配置满足需求的PRS配置，终端不向LMF发送按需PRS请求；
和/或，
响应于预定PRS配置不满足需求的PRS配置，终端向LMF发送按需PRS请求。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图14所示，本实施例中提供一种无线通信的方法，其中，应用于终端，该方法，包括：
步骤141、响应于指示信息为第二信息，终端使用预定PRS配置发送PRS；其中，预定PRS配置，为初始配置的PRS配置。
在一个实施例中，响应于预定PRS配置满足需求的PRS配置，终端不向LMF发送按需PRS请求。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图15所示，本公开实施例中提供一种无线通信的装置，其中，应用于通信节点，装置包括第一发送模块151，其中，
第一发送模块151，被配置为向终端发送指示信息；
其中，指示信息，用于供终端确定按需PRS请求的发送操作。
在一个实施例中，第一发送模块151，被配置为：指示信息，包括以下之一：
第一信息，指示基站支持终端向基站发送按需PRS请求；
第二信息，指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，通信节点为基站；第一发送模块151，还被配置为：
向终端发送携带有指示信息的系统消息；
或者，
在随机接入过程中，向终端发送携带有指示信息的MSG2；
或者，
在随机接入过程中，向终端发送携带有指示信息的MSG4；
或者，
向终端发送携带有指示信息的RRC消息；
或者，
向终端发送携带有指示信息的MAC消息；
或者，
向终端发送携带有指示信息的DCI消息。
在一个实施例中，第一发送模块151，还被配置为：
响应于接收到终端向基站发送的按需PRS请求后基站不能提供PRS配置，针对按需PRS请求向终端发送第二信息。
在一个实施例中，通信节点为LMF；第一发送模块151，还被配置为：
向终端发送携带有指示信息的LPP定位信息请求消息；
或者，
向终端发送携带有指示信息的LPP提供辅助数据消息。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
如图16所示，本公开实施例中提供一种无线通信的装置，其中，应用于终端，装置，包括接收模块161，其中，
接收模块161，被配置为接收通信节点发送的指示信息；
其中，指示信息，用于供终端确定按需PRS请求的发送操作。
在一个实施例中，接收模块161，被配置为：指示信息，包括以下之一：
第一信息，指示基站支持终端向基站发送按需PRS请求；
第二信息，指示基站不支持终端向基站发送按需PRS请求。
在一个实施例中，通信节点为基站；接收模块171，还被配置为：
接收基站发送的携带有指示信息的系统消息；
或者，
在随机接入过程中，接收基站发送的携带有指示信息的MSG2；
或者，
在随机接入过程中，接收基站发送的携带有指示信息的MSG4；
或者，
接收基站发送的携带有指示信息的RRC消息；
或者，
接收基站发送的携带有指示信息的MAC消息；
或者，
接收基站发送的携带有指示信息的DCI消息。
在一个实施例中，接收模块161，还被配置为：
接收基站在终端向基站发送的按需PRS请求后针对按需PRS请求发送的第二信息。
在一个实施例中，通信节点为LMF；接收模块161，还被配置为：
接收LMF发送的携带有指示信息的长期演进定位协议(LPP)定位信息请求消息；
或者，
接收LMF发送的携带有指示信息的LPP提供辅助数据消息。
在一个实施例中，装置，包括第二发送模块162，其中，
第二发送模块162，被配置为：响应于需要发送按需PRS请求，基于指示信息发送按需PRS请求。
在一个实施例中，第二发送模块162，还被配置为：
响应于指示信息为第一信息，终端向基站发送按需PRS请求；
或者，
响应于指示信息为第一信息，终端向LMF发送按需PRS请求；
或者，
响应于指示信息为第二信息，终端向LMF发送按需PRS请求。
在一个实施例中，第二发送模块162，还被配置为：
响应于指示信息为第二信息，终端使用预定PRS配置接收PRS；其中，预定PRS配置，为初始配置的PRS配置。
需要说明的是，本领域内技术人员可以理解，本公开实施例提供的方法，可以被单独执行，也可以与本公开实施例中一些方法或相关技术中的一些方法一起被执行。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
本公开实施例提供一种通信设备，通信设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，处理器被配置为：用于运行可执行指令时，实现应用于本公开任意实施例的方法。
其中，处理器可包括各种类型的存储介质，该存储介质为非临时性计算机存储介质，在通信设备掉电之后能够继续记忆存储其上的信息。
处理器可以通过总线等与存储器连接，用于读取存储器上存储的可执行程序。
本公开实施例还提供一种计算机存储介质，其中，计算机存储介质存储有计算机可执行程序，可执行程序被处理器执行时实现本公开任意实施例的方法。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
如图17所示，本公开一个实施例提供一种终端的结构。
参照图17所示终端800本实施例提供一种终端800，该终端具体可是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图17，终端800可以包括以下一个或多个组件：处理组件802，存储器804，电源组件806，多媒体组件808，音频组件810，输入/输出(I/O)的接口812，传感器组件814，以及通信组件816。
处理组件802通常控制终端800的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件802可以包括一个或多个处理器820来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件802可以包括一个或多个模块，便于处理组件802和其他组件之间的交互。例如，处理组件802可以包括多媒体模块，以方便多媒体组件808和处理组件802之间的交互。
存储器804被配置为存储各种类型的数据以支持在设备800的操作。这些数据的示例包括用于在终端800上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器804可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件806为终端800的各种组件提供电力。电源组件806可以包括电源管理系统，一个或多个电源，及其他与为终端800生成、管理和分配电力相关联的组件。
多媒体组件808包括在终端800和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件808包括一个前置摄像头和/或后置摄像头。当设备800处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件810被配置为输出和/或输入音频信号。例如，音频组件810包括一个麦克风(MIC)，当终端800处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器804或经由通信组件816发送。在一些实施例中，音频组件810还包括一个扬声器，用于输出音频信号。
I/O接口812为处理组件802和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击 轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件814包括一个或多个传感器，用于为终端800提供各个方面的状态评估。例如，传感器组件814可以检测到设备800的打开/关闭状态，组件的相对定位，例如组件为终端800的显示器和小键盘，传感器组件814还可以检测终端800或终端800一个组件的位置改变，用户与终端800接触的存在或不存在，终端800方位或加速/减速和终端800的温度变化。传感器组件814可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件814还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件814还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件816被配置为便于终端800和其他设备之间有线或无线方式的通信。终端800可以接入基于通信标准的无线网络，如Wi-Fi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件816经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信组件816还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，终端800可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器804，上述指令可由终端800的处理器820执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
如图18所示，本公开一实施例示出一种基站的结构。例如，基站900可以被提供为一网络侧设备。参照图18，基站900包括处理组件922，其进一步包括一个或多个处理器，以及由存储器932所代表的存储器资源，用于存储可由处理组件922的执行的指令，例如应用程序。存储器932中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件922被配置为执行指令，以执行上述方法前述应用在所述基站的任意方法。
基站900还可以包括一个电源组件926被配置为执行基站900的电源管理，一个有线或无线网络接口950被配置为将基站900连接到网络，和一个输入输出(I/O)接口958。基站900可以操作基于存储在存储器932的操作系统，例如Windows Server TM，Mac OS XTM，UnixTM，LinuxTM，FreeBSDTM或类似。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明的其它实施方案。本公开旨在涵盖本发明的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明的真正范围和精神由下面的权利要求指出。
应当理解的是，本发明并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。

Claims (17)

  1. 一种无线通信的方法，其中，应用于通信节点，所述方法，包括：
    向终端发送指示信息；
    其中，所述指示信息，用于供所述终端确定按需定位参考信号PRS请求的发送操作。
  2. 根据权利要求1所述的方法，其中，所述指示信息，包括：
    第一信息，指示所述基站支持所述终端向所述基站发送所述按需PRS请求；或
    第二信息，指示所述基站不支持所述终端向所述基站发送所述按需PRS请求。
  3. 根据权利要求2所述的方法，其中，所述通信节点为所述基站；所述向终端发送指示信息，包括：
    向所述终端发送携带有所述指示信息的系统消息；
    或者，
    在随机接入过程中，向所述终端发送携带有所述指示信息的第二消息MSG2；
    或者，
    在随机接入过程中，向所述终端发送携带有所述指示信息的第四消息MSG4；
    或者，
    向所述终端发送携带有所述指示信息的无线资源控制RRC信令；
    或者，
    向所述终端发送携带有所述指示信息的媒体接入控制MAC信令；
    或者，
    向所述终端发送携带有所述指示信息的下行控制信息DCI信令。
  4. 根据权利要求3所述的方法，其中，所述向终端发送指示信息，包括：
    响应于接收到所述终端向所述基站发送的按需PRS请求后所述基站不能提供所述PRS配置，针对所述按需PRS请求向所述终端发送所述第二信息。
  5. 根据权利要求1所述的方法，其中，所述通信节点为定位管理功能LMF；所述向终端发送指示信息，包括：
    向所述终端发送携带有所述指示信息的长期演进定位协议LPP定位信息请求消息；
    或者，
    向所述终端发送携带有所述指示信息的LPP提供辅助数据消息。
  6. 一种无线通信的方法，其中，应用于终端，所述方法，包括：
    接收通信节点发送的指示信息；
    其中，所述指示信息，用于供所述终端确定按需PRS请求的发送操作。
  7. 根据权利要求6所述的方法，其中，所述指示信息，包括以下之一：
    第一信息，指示所述基站支持所述终端向所述基站发送所述按需PRS请求；
    第二信息，指示所述基站不支持所述终端向所述基站内发送所述按需PRS请求。
  8. 根据权利要求7所述的方法，其中，所述通信节点为所述基站；所述接收通信节点发送的指示 信息，包括：
    接收所述基站发送的携带有所述指示信息的系统消息；
    或者，
    在随机接入过程中，接收所述基站发送的携带有所述指示信息的MSG2；
    或者，
    在随机接入过程中，接收所述基站发送的携带有所述指示信息的MSG4；
    或者，
    接收所述基站发送的携带有所述指示信息的RRC消息；
    或者，
    接收所述基站发送的携带有所述指示信息的MAC消息；
    或者，
    接收所述基站发送的携带有所述指示信息的DCI消息。
  9. 根据权利要求8所述的方法，其中，所述接收通信节点发送的指示信息，包括：
    接收所述基站在所述终端向所述基站发送的按需PRS请求后针对所述按需PRS请求发送的所述第二信息。
  10. 根据权利要求7所述的方法，其中，所述通信节点为LMF；所述接收通信节点发送的指示信息，包括：
    接收所述LMF发送的携带有所述指示信息的LPP定位信息请求消息；
    或者，
    接收所述LMF发送的携带有所述指示信息的LPP提供辅助数据消息。
  11. 根据权利要求6所述的方法，其中，所述方法，还包括：
    响应于需要发送按需PRS请求，基于所述指示信息发送所述按需PRS请求。
  12. 根据权利要求11所述的方法，其中，所述基于所述指示信息发送所述按需PRS请求，包括：
    响应于所述指示信息为第一信息，所述终端向所述基站发送所述按需PRS请求；
    或者，
    响应于所述指示信息为第一信息，所述终端向所述LMF发送所述按需PRS请求；
    或者，
    响应于所述指示信息为第二信息，所述终端向所述LMF发送所述按需PRS请求。
  13. 根据权利要求12所述的方法，其中，所述方法，还包括：
    响应于所述指示信息为第二信息，所述终端使用预定PRS配置接收所述PRS；其中，所述预定PRS配置，为初始配置的PRS配置。
  14. 一种无线通信的装置，其中，应用于通信节点，所述装置包括第一发送模块，其中，
    所述第一发送模块，被配置为向终端发送指示信息；
    其中，所述指示信息，用于供所述终端确定按需定位参考信号PRS请求的发送操作。
  15. 一种无线通信的装置，其中，应用于终端，所述装置，包括接收模块，其中，
    所述接收模块，被配置为接收通信节点发送的指示信息；
    其中，所述指示信息，用于供所述终端确定按需PRS请求的发送操作。
  16. 一种通信设备，其中，包括：
    天线；
    存储器；
    处理器，分别与所述天线及存储器连接，被配置为通执行存储在所述存储器上的计算机可执行指令，控制所述天线的收发，并能够实现权利要求1至5或权利要求6至权利要求13任一项提供的方法。
  17. 一种计算机存储介质，所述计算机存储介质存储有计算机可执行指令，所述计算机可执行指令被处理器执行后能够实现权利要求1至5或权利要求6至权利要求13任一项提供的方法。
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