WO2022237529A1 - Procédé et appareil de positionnement - Google Patents

Procédé et appareil de positionnement Download PDF

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Publication number
WO2022237529A1
WO2022237529A1 PCT/CN2022/089313 CN2022089313W WO2022237529A1 WO 2022237529 A1 WO2022237529 A1 WO 2022237529A1 CN 2022089313 W CN2022089313 W CN 2022089313W WO 2022237529 A1 WO2022237529 A1 WO 2022237529A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
positioning
communication interface
indication
management function
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PCT/CN2022/089313
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English (en)
Chinese (zh)
Inventor
欧阳国威
刘江华
刘梦婷
高鑫
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华为技术有限公司
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Publication of WO2022237529A1 publication Critical patent/WO2022237529A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • 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 application relates to the technical field of wireless communication, and in particular to a positioning method and device.
  • the positioning accuracy of the base station-based positioning technology depends on the number of base stations deployed around the terminal equipment. The higher the positioning accuracy requirements for the terminal equipment, the more base stations need to be used, so the cost of network deployment also increases accordingly.
  • Embodiments of the present application provide a positioning method and device, which can balance positioning accuracy and network deployment cost.
  • a positioning method is provided. This method can be applied to the first terminal device, or can also be applied to the chip inside the first terminal device. Taking this method as an example, the method can be applied to the first terminal device.
  • the first terminal device receives a first instruction from the location management function, the first instruction is used to instruct the first terminal device to provide location services for the second terminal device based on the first communication interface, where the first communication interface is the first terminal device A communication interface with a second terminal device, where the second terminal device is a terminal device to be positioned; the first terminal device provides positioning services for the second terminal device based on the first communication interface.
  • the first terminal device provides positioning services for the second terminal device to be positioned based on the first communication interface, which is equivalent to using the first terminal device as a reference point (or reference terminal) and using the first terminal device to replace the base station that needs to be added , so the positioning accuracy can be improved without increasing the number of base station nodes, that is, both positioning accuracy and network deployment cost are taken into account.
  • the technical solution of the embodiment of the present application can also set a reference point for providing positioning services for the terminal device to be positioned according to requirements, thereby increasing the direct path that the terminal device to be positioned can obtain, and further improving the positioning accuracy.
  • the first terminal device providing the positioning service for the second terminal device based on the first communication interface includes: the first terminal device receives the first positioning signal from the second terminal device through the first communication interface, and the second A terminal device reports the first measurement information of the first positioning signal to the positioning management function; and/or, the first terminal device sends the second positioning signal through the first communication interface.
  • the first terminal device may have multiple implementation manners for providing the positioning service for the second terminal device, which may improve the flexibility of the solution.
  • the first terminal device may further broadcast a second indication on the first communication interface, and the second indication is used to indicate that the first terminal device has a capability of providing the positioning service on the first communication interface.
  • devices around the first terminal device can conveniently know that the first terminal device has the capability of providing positioning service through the first communication interface, and then use the first terminal device to perform positioning.
  • the first terminal device may also send a third indication to the positioning management function, where the third indication is used to request to register the first terminal device as the first reference point; A first message from the management function, wherein the first message includes the first terminal identifier allocated to the first terminal device by the location management function.
  • the third indication may be carried in the second message, and the second message may also carry one or more of the following information: location information of the first terminal device; QoS information that can be supported on the interface; the maximum number of terminal devices to be positioned that the first terminal device supports services on the first communication interface.
  • the location management function can judge whether to accept the registration request of the first terminal device according to the above-mentioned one or more kinds of information; in addition, by carrying multiple kinds of information in one message, resource overhead can also be saved.
  • the first terminal device may also broadcast the first terminal identifier on the first communication interface.
  • devices around the first terminal device can conveniently know the identifier of the first terminal device, and then send a positioning request to the network based on the first terminal identifier, and use the first terminal device for positioning.
  • the first terminal device if the first terminal device provides the positioning service for the second terminal device based on the first communication interface, the first terminal device receives the first positioning signal from the second terminal device through the first communication interface, then The first terminal device may also perform measurement on the first positioning signal, obtain first measurement information, and report the first measurement information to the positioning management function.
  • the network can calculate the location of the second terminal device based on the first measurement information.
  • the first communication interface is a PC5 interface.
  • the first terminal device can provide positioning services for the second terminal device to be positioned based on the PC5 interface, so as to improve the positioning accuracy without adding base station nodes, that is, taking into account both positioning accuracy and network deployment costs.
  • a positioning method is provided.
  • This method can be applied to the second terminal device, or can also be applied to the chip inside the second terminal device. Taking this method as an example, the method can be applied to the second terminal device.
  • the second terminal device receives a fourth instruction from the positioning management function, wherein the fourth instruction is used to instruct the second terminal device to perform positioning on the first communication interface, the second terminal device is a terminal device to be located, and the first communication interface It is a communication interface between the first terminal device and the second terminal device; the second terminal device performs positioning on the first communication interface.
  • the positioning of the second terminal device on the first communication interface includes: the second terminal device sends the first positioning signal on the first communication interface; and/or, the second terminal device receives the first positioning signal on the first communication interface.
  • the second positioning signal comes from the first terminal device, and the second terminal device reports the second measurement information of the second positioning signal to the positioning management function.
  • the second terminal device may further receive a second indication from the first terminal device, where the second indication is used to indicate that the first terminal device has a capability of providing the positioning service on the first communication interface.
  • the second terminal device may also receive the first terminal identifier from the first terminal device.
  • the second terminal device may also send a fifth indication to the location management function; where the fifth indication is used to indicate one or more of the following information: the first terminal identifier, the information supported by the second terminal device Positioning mode, the positioning mode requested by the second terminal device.
  • the positioning method supported by the second terminal device includes: positioning based on the first communication interface, or joint positioning based on the first communication interface and the second communication interface; where the second communication interface is the second The interface between terminal equipment and access network equipment.
  • the second terminal device may also report the second measurement information to the location management function.
  • the first communication interface is a PC5 interface.
  • a positioning method is provided. This method can be applied to the positioning management function, or can also be applied to the chip inside the positioning management function. Taking this method as an example for the positioning management function, in this method, the positioning management The function receives the measurement information, the measurement information is the measurement information on the first communication interface, and the first communication interface is the communication interface between the first terminal device and the second terminal device; the positioning management function is based on the position information and measurement information of the first terminal device The information determines the location information of the second terminal device.
  • the positioning management function receives first measurement information from the first terminal device, where the first measurement information is sent by the first terminal device to the first positioning information sent by the second terminal device through the first communication interface and/or, the positioning management function receives second measurement information from the second terminal device, wherein the second measurement information is the second positioning information sent by the second terminal device to the first terminal device through the first communication interface Get measured.
  • the location management function may further receive a third indication from the first terminal device, where the third indication is used to request to register the first terminal device as the first reference point.
  • the second message may also carry one or more of the following information: location information of the first terminal device, quality of service (QoS) information that the first terminal device can support on the first communication interface, first The maximum number of terminal devices to be located that are supported by the terminal device on the first communication interface.
  • the location management function may determine whether to accept the registration request of the first terminal device according to the second message.
  • the location management function accepts the registration request of the first terminal device, assign the first terminal identifier to the first terminal device, and send a first message to the first terminal device, and the first message carries the first terminal identifier.
  • a terminal identifier if the location management function accepts the registration request of the first terminal device, assign the first terminal identifier to the first terminal device, and send a first message to the first terminal device, and the first message carries the first terminal identifier.
  • the location management function may also receive a fifth indication from the second terminal device, where the fifth indication is used to indicate one or more of the following information: the first terminal identifier, the information supported by the second terminal device The positioning method, the positioning method requested by the second terminal device; the positioning management function sends a first indication to the first terminal device, and sends a fourth indication to the second terminal device; wherein, the first indication is used to instruct the first terminal device to A communication interface provides a positioning service for the second terminal device, and the fourth indication is used to instruct the second terminal device to perform positioning on the first communication interface.
  • the positioning method supported by the second terminal device includes: positioning based on the first communication interface, or joint positioning based on the first communication interface and the second communication interface; where the second communication interface is the second The interface between terminal equipment and access network equipment.
  • the first communication interface is a PC5 interface.
  • a positioning device which may be, for example, a first terminal device or a chip disposed inside the first terminal device, and the device includes a device for performing the above first aspect or any possible implementation manner of the first aspect. module of the method described above.
  • the apparatus may include: a communication module, configured to receive a first instruction from a location management function, the first instruction is used to instruct the first terminal device to provide location services for the second terminal device based on the first communication interface, and the second A communication interface is a communication interface between a first terminal device and a second terminal device, and the second terminal device is a terminal device to be positioned; a processing module is configured to provide positioning services for the second terminal device based on the first communication interface.
  • a positioning device which may be, for example, a second terminal device or a chip disposed inside the second terminal device, and the device includes a device for performing the second aspect or any possible implementation of the second aspect. module of the method described above.
  • the apparatus may include: a communication module, configured to receive a fourth indication from the positioning management function, where the fourth indication is used to instruct the second terminal device to perform positioning on the first communication interface; wherein, the second terminal device is For the terminal device to be positioned, the first communication interface is a communication interface between the first terminal device and the second terminal device; the processing module is configured to perform positioning on the first communication interface.
  • a positioning device which may be, for example, a positioning management function or a chip provided inside the positioning management function, and the device includes a method for performing the above-mentioned third aspect or any possible implementation manner of the third aspect module.
  • the apparatus may include: a communication module, configured to receive measurement information, where the measurement information is measurement information on a first communication interface, and the first communication interface is a communication interface between the first terminal device and the second terminal device; A processing module, configured to determine the location information of the second terminal device according to the location information and measurement information of the first terminal device.
  • a positioning device including: at least one processor; and a communication interface communicating with the at least one processor; the at least one processor executes instructions stored in the memory, so that the device passes through the The communication interface is executed as in the first aspect or any possible implementation of the first aspect or the second aspect or any possible implementation of the second aspect or the third aspect or any possible implementation of the third aspect the method.
  • said memory is located external to said device.
  • the device includes the memory, the memory is connected to the at least one processor, and the memory stores instructions executable by the at least one processor.
  • a computer-readable storage medium including programs or instructions.
  • the programs or instructions are run on a computer, the first aspect or any possible implementation of the first aspect or the second aspect Or any possible implementation manner of the second aspect, or the third aspect, or any possible implementation manner of the third aspect is executed.
  • a chip is coupled with a memory, and is used to read and execute program instructions stored in the memory, so that the first aspect or any possible implementation of the first aspect or the second The method described in the aspect or any possible implementation manner of the second aspect or the third aspect or any possible implementation manner of the third aspect is executed.
  • a computer program product including instructions, which, when run on a computer, enable the first aspect or any of the possible implementations of the first aspect or the second aspect or any of the second aspects to be possible or the method described in the third aspect or any possible implementation manner of the third aspect is executed.
  • FIG. 1 is a network architecture diagram of a communication system applicable to an embodiment of the present application
  • FIG. 2 is a flowchart of a positioning method provided in an embodiment of the present application.
  • FIG. 3 is a flow chart of a registration method provided by an embodiment of the present application.
  • FIG. 4 is a flow chart of a positioning method triggered by a terminal device provided in an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a positioning device 500 provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a positioning device 600 provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a chip 700 provided by an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, for example: fourth generation (4th generation, 4G) communication system, fifth generation (5th generation, 5G) communication system, sixth generation (6th generation, 6G) As long as there is a positioning requirement in the communication system or other evolved systems in the future, or other various wireless communication systems using wireless access technologies, the technical solutions of the embodiments of the present application can be adopted.
  • FIG. 1 shows a network architecture diagram of a communication system applicable to the embodiment of the present application.
  • the communication system takes a 5G communication system as an example, and the network architecture is divided into (wireless) access network ((Radio) Access Network, ( A) AN) and the core network.
  • the access network is used to implement functions related to wireless access, and includes one or more (R)AN devices.
  • (R)AN equipment refers to the equipment in the access network that communicates with wireless terminal equipment through one or more cells on the air interface.
  • the (R)AN equipment includes, but is not limited to, for example: an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B), the next generation node B (next generation node B, gNB) in the fifth generation mobile communication technology (fifth generation, 5G) new radio (new radio, NR) system, wireless network WiFi access point (Access Point , AP), World Interoperability for Microwave Access (WiMAX) base station (Base Station, BS), etc.
  • NodeB or eNB or e-NodeB, evolutional Node B the next generation node B (next generation node B, gNB) in the fifth generation mobile communication technology (fifth generation, 5G) new radio (new radio, NR) system,
  • the core network mainly includes the following key logical network elements: 1) Access and Mobility Management Function (AMF), which is mainly responsible for mobility management in the mobile network, such as user location update, user registration network, user Handover, etc.; 2) Location Management Function (LMF) is mainly responsible for positioning request management and positioning resource allocation during positioning services; 3) User Plane Function (UPF), mainly responsible for processing user packets , such as forwarding, billing, etc.; 4) Session Management Function (SMF), which is mainly responsible for session management in the mobile network, such as session establishment, modification, and release.
  • AMF Access and Mobility Management Function
  • LMF Location Management Function
  • UPF User Plane Function
  • SMF Session Management Function
  • IP Internet Protocol
  • PCF Policy Control Function
  • UDM Unified Data Management
  • the terminal device involved in the embodiment of the present application is a device that provides voice and/or data connectivity to a user.
  • the terminal equipment can also be called user equipment (Uer Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT) and so on.
  • the terminal device may be a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • examples of some terminal devices are: mobile phones, tablet computers, notebook computers, handheld computers, mobile Internet devices (Mobile Internet Device, MID), intelligent sales terminals (Point Of Sale, POS), wearable devices, virtual reality (Virtual Reality) Reality (VR) equipment, Augmented Reality (AR) equipment, wireless terminals in Industrial Control (Industrial Control), wireless terminals in Self Driving (Self Driving), wireless terminals in Remote Medical Surgery (Remote Medical Surgery) , wireless terminals in Smart Grid, wireless terminals in Transportation Safety, wireless terminals in Smart City, wireless terminals in Smart Home, various smart meters ( Smart water meters, smart electricity meters, smart gas meters), eLTE-DSA UEs, devices with Integrated Aaccess and Backhaul (IAB) capabilities, etc.
  • mobile Internet Device Mobile Internet Device, MID
  • intelligent sales terminals Point Of Sale, POS
  • wearable devices virtual reality (Virtual Reality) Reality (VR) equipment, Augmented Reality (AR) equipment, wireless terminals in Industrial Control (Industrial Control), wireless terminals in Self Driving (Self Driving
  • the data network (Data Network, DN) involved in the embodiment of the present application is an operator network that provides data transmission services for users, such as IP Multi-media Service (IP Multi-media Service, IMS), Internet (Internet) and the like.
  • IP Multi-media Service IP Multi-media Service, IMS
  • Internet Internet
  • the Uu interface is the interface between the terminal device and the access network in the communication system, also known as the air interface, and is mainly used to transmit user plane data and control data between the terminal device and the access network. Interface-related signaling, establishment, reconfiguration and release of various mobile communication radio bearer services.
  • the terminal device can access the data network (DN, Data Network) by establishing a protocol data unit (Protocol Data Unit, PDU) session (session) between the terminal device UE, RAN, UPF, and DN.
  • DN Data Network
  • PDU Protocol Data Unit
  • a direct link can be established between two adjacent terminal devices through the ProSe Communication 5 (PC5) interface for edge connection (sidelink) data transmission, that is, the two terminals
  • PC5 interface communication method is used for data transmission between devices.
  • the sidelink communication technology is a near-field communication technology capable of direct connection between terminal devices, and is also called a Proximity Services (Proximity Services, ProSe) communication technology, or a D2D communication technology.
  • Proximity Services ProSe
  • D2D communication technology D2D communication technology
  • the PC5 interface is a direct communication interface between terminal equipment and terminal equipment introduced in the D2D project of the 3rd Generation Partnership Project (3GPP) version 12 (Rel-12). Adjacent terminals can transmit data through direct links within the effective communication range of the PC5 interface, without forwarding through central nodes (such as base stations) or through traditional cellular links for information transmission. Fast and convenient.
  • 3GPP 3rd Generation Partnership Project
  • system and “network” in the embodiments of the present application may be used interchangeably.
  • At least one means one or more, and “plurality” means two or more.
  • And/or describes the association relationship of associated objects, indicating that there can be three types of relationships, for example, A and/or B, which can mean: A exists alone, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the contextual objects are an "or” relationship.
  • At least one of the following or similar expressions refer to any combination of these items, including any combination of a single item or a plurality of items, such as at least one of a, b or c (a), can represent: a, or b, or c, or a and b, or b and c, or a and c, or a and b and c.
  • first and second are used to distinguish multiple objects, and are not used to limit the order, timing, priority or priority of multiple objects. Importance.
  • first priority criterion and the second priority criterion are only for distinguishing different criteria, but do not represent the difference in content, priority or importance of the two criteria.
  • FIG. 2 it is a flowchart of a positioning method provided by the embodiment of the present application. The method is applied to the communication system shown in FIG. 1 as an example. Methods include:
  • the location management function sends a first indication to the first terminal device; correspondingly, the first terminal device receives the first indication from the location management function.
  • the location management function is a network element capable of providing location/location-related services, such as LMF or AMF, which is not limited in this embodiment of the present application.
  • the first indication may be a message, or a parameter carried in a message, which is not limited in this embodiment of the present application.
  • the first indication is used to instruct the first terminal device to provide the positioning service for the second terminal device based on the first communication interface.
  • the first communication interface is an interface for direct communication between terminal devices, for example, the first communication interface is a PC5 interface.
  • the second terminal device is a terminal device to be positioned, where the second terminal device supports positioning on the first communication interface and needs to perform positioning on the first communication interface.
  • the specific manner in which the first terminal device provides positioning services for the second terminal device based on the first communication interface includes: the first terminal device sends a positioning signal through the first communication interface, so that the second terminal device can A communication interface receives and measures the positioning signal and reports the measurement information of the positioning signal; and/or, the second terminal device sends the positioning signal on the first communication interface, so that the first terminal device can receive the positioning signal on the first communication interface And report the measurement information of the positioning signal.
  • the first terminal device sends a positioning signal through the first communication interface but does not receive the positioning signal
  • the first indication may be used to instruct the first terminal device to provide positioning services based on the first communication interface, but does not indicate Specifically, which terminal device is provided with the positioning service.
  • all or part of the terminal devices near the first terminal device can receive and measure the positioning signal sent by the first terminal device through the first communication interface. In this way, when there are multiple terminal devices that need to be positioned near the first terminal device, the first terminal device does not need to send a positioning signal for each terminal separately, which can save resource overhead.
  • positioning signal involved in the embodiment of the present application may be any signal used for positioning, such as a positioning reference signal (positioning reference signal, PRS), which is not limited in the present application.
  • PRS positioning reference signal
  • the positioning signal received by the first terminal device at the first communication interface is referred to as the first positioning signal
  • the positioning signal sent by the first terminal device at the first communication interface is referred to as the second positioning signal.
  • the first indication may also be used to indicate the specific manner in which the first terminal device provides location services based on the first communication interface (for example, the first indication may also be used to instruct the first terminal device to send second positioning signal and report the first measurement information of the first positioning signal, and/or the first terminal device receives the first positioning signal at the first communication interface), that is, the first indication indicates that the first terminal device is based on the first positioning signal
  • a communication interface provides the positioning service, and instructs the first terminal device to provide a specific manner of providing the positioning service based on the first communication interface. In this way, resource overhead can be saved.
  • the first indication specifically includes two indication information, one indication information is used to instruct the first terminal device to provide positioning services for the second terminal device based on the first communication interface, and the other indication information is used to instruct the first terminal device to provide positioning services based on the first
  • the communication interface provides a specific way of positioning services.
  • the first indication includes indication information
  • the indication information is used to indicate the specific manner in which the first terminal device provides the positioning service for the second terminal device based on the first communication interface, but implicitly indicates that the first terminal device uses the positioning service based on the first communication interface
  • a communication interface provides positioning services for the second terminal device.
  • the first indication is only used to instruct the first terminal device to provide positioning services on the first communication interface
  • the positioning management function may send another indication (different from the first indication) to the first terminal device separately or a message to instruct the first terminal device to provide a specific manner of providing the location service on the first communication interface.
  • the specific manner in which the first terminal device provides the positioning service on the first communication interface can be more flexibly scheduled.
  • the first indication is only used to instruct the first terminal device to provide the location service on the first communication interface, and the specific method for the first terminal device to provide the location service on the first communication interface is stipulated in the protocol or pre-set. agreement. In this way, resource overhead can be saved.
  • the location management function sends a fourth indication to the second terminal device, and correspondingly, the second terminal device receives the fourth indication from the location management function.
  • the fourth indication is used to instruct the second terminal device to perform positioning on the first communication interface.
  • the fourth indication may be a message or a parameter carried in a message, which is not limited in this embodiment of the present application.
  • the specific manner in which the second terminal device performs positioning on the first communication interface corresponds to the specific manner in which the first terminal device provides the positioning service based on the first communication interface. For example: the second terminal device sends the first positioning signal on the first communication interface, so that the first terminal device can receive and measure the first positioning signal on the first communication interface and report the first measurement information on the first positioning signal; and /or, the second terminal device receives the second positioning signal sent by the first terminal device through the first communication interface and reports the second measurement information of the second positioning signal.
  • the fourth indication is also used to indicate a specific manner for the second terminal device to perform positioning on the first communication interface. In this way, resource overhead can be saved.
  • the fourth indication specifically includes two indication information, one indication information is used to instruct the second terminal device to locate on the first communication interface, and the other indication information is used to indicate the specific location of the second terminal device to perform positioning on the first communication interface. Way.
  • the fourth indication includes indication information
  • the indication information is used to indicate a specific manner for the second terminal device to perform positioning on the first communication interface, but implicitly indicates that the second terminal device performs positioning on the first communication interface.
  • the second terminal device determines that the second terminal device needs to perform positioning on the first communication interface after learning the specific manner for the second terminal device to perform positioning on the first communication interface through the indication information.
  • the fourth indication may only be used to instruct the second terminal device to perform positioning on the first communication interface, and the positioning management function may send another indication (different from the fourth indication) to the first terminal device separately or a message to instruct the second terminal device to perform positioning on the first communication interface. In this way, the specific manner in which the second terminal device performs positioning on the first communication interface can be more flexibly scheduled.
  • the embodiment of the present application does not limit the sequence of S201 and S202.
  • the positioning management function may first send the first indication to the second terminal device, and then send the fourth indication to the second terminal device; or, the positioning management function may first send the fourth indication to the second terminal device, and then send the fourth indication to the second terminal device.
  • the second terminal device sends the first indication; the location management function may send the fourth indication to the second terminal device while sending the first indication to the second terminal device.
  • the first terminal device provides the positioning service for the second terminal device based on the first communication interface.
  • the second terminal device performs positioning on the first communication interface.
  • the first terminal device receives the first positioning signal from the second terminal device at the first communication interface and/or sends the second positioning signal at the first communication interface according to the received first instruction; the second terminal device According to the received fourth indication, the first positioning signal is sent on the first communication interface and/or the second positioning signal from the first terminal device is received on the first communication interface. If the positioning method is that the first terminal device sends the first positioning signal through the first communication interface, and the second terminal device receives the first positioning signal from the second terminal device, then the second terminal device receives the first positioning signal from the second terminal device.
  • the first positioning signal After the first positioning signal, perform measurement on the first positioning signal, generate the first measurement information and report it to the positioning management function; if the positioning method is that the second terminal device sends the second positioning signal through the first communication interface, the first terminal device After receiving the second positioning signal from the first terminal device, the first terminal device also performs measurement on the second positioning signal after receiving the second positioning signal from the first terminal device, generates second measurement information and reports it to Location management functions.
  • the positioning management function is based on the known positioning signal information (such as the sending time of the first positioning signal and/or the sending time of the second positioning signal), and the received measurement information on the first communication interface (that is, the first The measurement information and/or the second measurement information, eg the reception time of the first positioning signal and/or the reception time of the second positioning signal) and the position of the first terminal device determine the position of the second terminal device.
  • the known positioning signal information such as the sending time of the first positioning signal and/or the sending time of the second positioning signal
  • the received measurement information on the first communication interface that is, the first The measurement information and/or the second measurement information, eg the reception time of the first positioning signal and/or the reception time of the second positioning signal
  • the location management function may further determine the location of the second terminal device in combination with other available information (such as location-related information on the second communication interface).
  • the second terminal device may also be positioned on the second communication interface between the terminal device and the access network.
  • the second communication interface is the Uu interface
  • the second terminal device also sends the third positioning signal on the Uu interface
  • the RAN device receives and measures the third positioning signal on the Uu interface, obtains the third measurement information, and reports the third measurement information to the positioning Management function
  • the RAN device sends a fourth positioning signal on the Uu interface
  • the second terminal device receives and measures the fourth positioning signal on the Uu interface, obtains fourth measurement information, and reports the fourth measurement information to the positioning management function.
  • the positioning management function receives The received measurement information on the first communication interface (such as the receiving time of the first positioning signal and/or the receiving time of the second positioning signal), the position of the first terminal device, and the received measurement information on the second communication interface ( For example, the receiving time of the third positioning signal and/or the receiving time of the third positioning signal), determine the position of the second terminal device.
  • the received measurement information on the first communication interface such as the receiving time of the first positioning signal and/or the receiving time of the second positioning signal
  • the position of the first terminal device such as the receiving time of the first positioning signal and/or the receiving time of the second positioning signal
  • the received measurement information on the second communication interface For example, the receiving time of the third positioning signal and/or the receiving time of the third positioning signal
  • the known positioning signal information is configured by the positioning management function and stored in the terminal device.
  • the positioning management function configures the time for sending the first positioning signal for the second terminal device, configures the time for sending the second positioning signal for the first terminal device, configures the time for sending the third positioning signal for the second terminal device, and configures the time for sending the third positioning signal for the RAN device.
  • Each corresponding terminal device sends a positioning signal according to the configuration of the positioning management function.
  • the first terminal device provides positioning services for the second terminal device to be positioned based on the first communication interface, which is equivalent to using the first terminal device as a reference point (or reference terminal), using the first
  • the terminal equipment replaces the base station that needs to be added, so the positioning accuracy can be improved without adding base station nodes, that is, both positioning accuracy and network deployment cost are taken into account.
  • the line of sight (LoS) diameter is the positioning accuracy
  • the key factor using the technical solution of the embodiment of the present application, can set the reference point for providing positioning services for the terminal device to be positioned according to the demand, thereby increasing the direct path that the terminal device to be positioned can obtain, and further improving the positioning accuracy.
  • the first terminal device before the first terminal device provides the positioning service for the second terminal device based on the first communication interface, it needs to perform reference point registration on the positioning management function.
  • the first terminal device sends a third indication to the positioning management function, where the third indication is used to request that the first terminal device be registered as the first reference point; after receiving the third indication, the positioning management function determines Whether to accept the registration request of the first terminal device, if the location management function accepts the registration request of the first terminal device, assign an identifier to the first terminal device, such as the first terminal identifier, and send a first message to the first terminal device, wherein The first message carries the first terminal identifier.
  • the first terminal identifier here is a registration identifier specially assigned by the first terminal device for the first reference point.
  • the first terminal identifier can uniquely determine the first terminal device from all terminal devices registered with the location management function (as a reference point).
  • the third indication may be a message (such as a registration response message), or a parameter carried in a message (such as a registration response message), which is not limited in this application.
  • the message may also carry one or more of the following information:
  • QoS information that the first terminal device can support on the first communication interface.
  • specific types of QoS information include but not limited to: Accuracy, Response Time, Location Service (LCS) QoS Class (Class), etc.
  • the third indication may carry the highest LCS QoS level supported by the first terminal device, and the location management function learns from the third indication that the first terminal device supports all LCS QoS levels less than or equal to the highest LCS QoS level, or the third indication may carry A combination of multiple sets of LCS QoS levels supported by the first terminal device.
  • the maximum number of terminal devices to be located that the first terminal device supports on the first communication interface For the situation where the first terminal device receives the positioning signal on the first communication interface, due to the limited processing capability of the first terminal device, the first terminal device cannot measure/calculate too many positioning signals sent by the terminal device to be positioned at the same time, so the second A terminal device needs to report the maximum number of terminal devices to be positioned that it supports on the first communication interface as capability information to the location management function, so that the location management function can reasonably set reference points for the terminal devices to be positioned.
  • the positioning management function needs to determine the location of the second terminal device based on the location of the first terminal device and based on the measurement information of the first communication interface. Therefore, when the first terminal device requests registration, it can actively report its own location information to the location management function.
  • the location information of the first terminal device may also be reported by the first terminal device alone, that is, not included in the third indication, which is not limited in this application.
  • the third indication is a single message
  • the above one or more information may be carried in the message and sent to the location management function, or carried in one or more other messages and reported to the location management function.
  • the location management function may determine whether to accept the registration request of the first terminal device according to the above one or more types of information. For example, if the maximum number of terminal devices to be positioned that the first terminal device supports on the first communication interface reaches the preset number, or the LCS QoS level supported by the first terminal device reaches the preset LCS QoS level, or the first terminal device Located in a preset area, the location management function accepts the registration request of the first terminal device, assigns a registration identifier, such as the first terminal identifier, to the first terminal device, and returns the first terminal identifier to the first terminal device.
  • a registration identifier such as the first terminal identifier
  • the first terminal device may also broadcast a second indication on the first communication interface, and the second indication is used to indicate that the first terminal device has A communication interface is capable of providing positioning services (that is, the first terminal device can send and/or receive positioning signals through the first communication interface), and after receiving the second indication, the second terminal device can know that the first terminal device has A communication interface is capable of providing location-based services.
  • the second indication may be a broadcast message, or a parameter carried in a broadcast message, which is not limited in this application. In this way, other terminal devices can be informed that the first terminal device has the capability of providing the positioning service through the first communication interface.
  • the first terminal device may also broadcast the first terminal identifier on the first communication interface. In this way, other terminal devices can be made to know the first terminal identifier.
  • first terminal identifier and the second indication broadcast by the first terminal device may be carried in the same broadcast message, or may be carried in different broadcast messages, which is not limited in this application.
  • the first terminal device may implicitly indicate that the first terminal device has the capability of providing the positioning service on the first communication interface.
  • the second terminal device determines that the first terminal device has the capability of providing the positioning service on the first communication interface. In this way, the first terminal device does not need to broadcast the second indication, which can save signaling overhead.
  • the message transmitted between the first terminal device and the location management function may be processed or forwarded by other network elements (such as RAN device, AMF, etc.).
  • the first terminal device sends a service request (Service Request) message, and enters the connection state;
  • the first terminal device After the first terminal device enters the connected state, it may send NAS signaling to the core network. It should be understood that, if the first terminal device has entered the connected state, S300 may not be executed; in other words, S300 is optional. In FIG. 3 , a dotted box indicates that S300 is optional.
  • the first terminal device sends an uplink (Up Link, UL) non-access stratum (Non-Access Stratum, NAS) transport (Transport) message to the AMF, and the UL NAS Transport message is used to request that the first terminal device be registered as the first reference point;
  • Up Link, UL Up Link, UL
  • Non-Access Stratum, NAS Non-Access Stratum
  • the UL NAS Transport message is forwarded to the AMF via the RAN device.
  • the UL NAS Transport message may carry: capability indication information, used to indicate that the first terminal device can be used for positioning based on the first communication interface.
  • the UL NAS Transport message also carries QoS information (capable of being supported by the first terminal device on the first communication interface), location information (of the first terminal device), (services supported by the first terminal device on the first communication interface) At least one of the maximum number of terminal devices to be located.
  • the AMF After the AMF receives the UL NAS Transport message, the AMF selects the LMF for the first terminal device;
  • the AMF selects an LMF for the first terminal device according to parameters reported by the first terminal device (such as indication information, QoS information, location information, or the maximum number, etc.). It should be understood that the LMF selected by the AMF supports positioning based on the first communication interface (that is, supports positioning calculation based on measurement information based on the first communication interface).
  • the AMF forwards the UL NAS Transport message to the selected LMF;
  • the LMF After receiving the parameters reported by the first terminal device forwarded by the AMF, the LMF acquires the positioning-related capabilities of the first terminal device;
  • the LMF may acquire the positioning-related capabilities of the first terminal device through an LTE Positioning Protocol (LTE Positioning Protocol, LPP) message.
  • LPP LTE Positioning Protocol
  • the location-related capabilities include the communication capabilities of the first terminal device on the first communication interface.
  • the positioning-related capabilities of the first terminal device on the first communication interface include parameters such as the number of antennas and supported bandwidth capabilities.
  • the LMF receives the registration request of the first terminal device, then assign the first terminal device its terminal identification (UE ID) as a reference point, such as the first terminal identification; transmit the first terminal identification to the first terminal equipment;
  • UE ID terminal identification
  • the first terminal identifier may uniquely determine the first terminal device.
  • the LMF may carry the first terminal identifier in a downlink (Down Link, DL) positioning (Positioining) message (Message), and transmit it to the first terminal device via the AMF and the RAN in sequence.
  • Downlink Down Link, DL
  • Positioining Message
  • the AMF may establish and save a mapping relationship between the first terminal identifier and the LMF that allocates the first terminal identifier. After the subsequent AMF receives the message from the first terminal device, the AMF may route the message to the LMF according to the mapping relationship; or. Subsequently, after the AMF receives messages from other network elements that need to be sent to the first terminal device, the AMF may route the messages to the first terminal device according to the mapping relationship.
  • the first terminal device After receiving the first terminal identifier, the first terminal device sends a broadcast message on the first communication interface.
  • the broadcast message includes: the first terminal device has the capability of providing the positioning service on the first communication interface; and/or, the first terminal identifier.
  • FIG. 3 is an example where there is only one LMF in the same area.
  • the AMF may select multiple LMFs according to the operator's (operator) strategy.
  • S303-S306 may be executed independently for each LMF. Different LMFs assign different UE IDs to the first terminal equipment, but each UE ID can uniquely determine the first terminal equipment in its corresponding LMF service terminal equipment, and AMF will establish and save each LMF and its assigned UE ID mapping relationship.
  • the number of LMFs selected by the AMF can be carried in the DL Positioining Message, and the first terminal device can determine whether to receive UE IDs distributed by all LMFs according to the number of LMFs; in S307, the first terminal device will The UE ID assigned by each LMF is broadcasted.
  • the registration operation is performed by the AMF, for example, when the AMF selects multiple LMFs.
  • the AMF assigns the first terminal identifier to the first terminal equipment (in order to distinguish it from the UE ID assigned by the above-mentioned LMF to the first terminal equipment, the AMF_LMF_UE ID is used here to represent the first terminal identifier assigned by the AMF), the AMF_LMF_UE The ID can uniquely identify a terminal device (that is, the first terminal device) among the terminal devices served by the AMF.
  • AMF_LMF_UE ID can be 5G-GUTI (5G Globally Unique Temporary Identifier).
  • the AMF forwards the AMF_LMF_UE ID to the LMF; in S306, the AMF sends the AMF_LMF_UE ID to the first terminal device.
  • the first terminal device can register with the location management function. After the registration is successful, the first terminal device can obtain the identifier assigned by the location management function for its registration as a reference point. The positioning of the communication interface. In this way, it can be realized that only the terminal device successfully registered in the location management function can serve as a reference point for providing location service for other terminal devices based on the first communication interface, which can improve the security of location.
  • the positioning of the second terminal device on the first communication interface may be triggered by the second terminal device, or it may be the network side (such as Application Function (Application Function, AF)/Client (Client)) trigger, which is not limited in this application.
  • the network side such as Application Function (Application Function, AF)/Client (Client) trigger, which is not limited in this application.
  • the following takes the second terminal device triggering positioning as an example to introduce in detail.
  • the second terminal device sends a fifth indication to the positioning management function, and the fifth indication carries one or more information of the first terminal identifier, the positioning mode supported by the second terminal device, and the positioning mode requested by the second terminal device;
  • the management function receives the fifth indication, it sends the first indication to the first terminal device (used to instruct the first terminal device to provide positioning services for the second terminal device based on the first communication interface), and sends the fourth indication to the second terminal device. Indication (at least for instructing the second terminal device to perform positioning on the first communication interface).
  • the first terminal device and the second terminal device perform positioning measurement and positioning reporting (that is, the above S203).
  • the positioning methods supported by the second terminal device include: only supporting positioning based on the first communication interface, or joint positioning based on the first communication interface and the second communication interface, or only supporting positioning based on the second communication interface. Since this article mainly involves positioning based on the first communication interface, the following text mainly assumes that the second terminal device only supports positioning based on the first communication interface, or that the second terminal device supports joint positioning based on the first communication interface and the second communication interface as example.
  • the second terminal device after the second terminal device receives the broadcast message sent by the first terminal device through the first communication interface, it sends the fifth indication to the location management function.
  • the messages transmitted between the second terminal device and the positioning management function may be processed or forwarded by other network elements (such as RAN device, AMF, etc.).
  • FIG. 4 it is a flow chart of a positioning method triggered by a terminal device provided in the embodiment of the present application.
  • the method includes:
  • the second terminal device sends a service request message and enters a connection state.
  • the second terminal device After the second terminal device enters the connected state, it can send NAS signaling to the core network. It should be understood that, if the second terminal device has entered the connected state, S400 may not be executed; in other words, S400 is optional. In FIG. 4 , a dotted box indicates that S400 is optional.
  • the second terminal device sends a UL NAS Transport message to the AMF, which carries at least one item of positioning capability information, positioning mode, and reference point information.
  • the positioning capability information includes the positioning methods supported by the second terminal device, for example, the second terminal device supports positioning based on the PC5 interface, the second terminal device supports joint positioning based on the PC5 interface and the Uu interface, or the second terminal device supports positioning based on the Uu interface. The positioning of the interface.
  • the positioning mode is the positioning mode requested by the second terminal device, such as positioning based on the PC5 interface, joint positioning based on the PC5 interface and the Uu interface, or positioning based on the Uu interface.
  • the reference point information includes the terminal identification of the reference point broadcast that the second terminal device monitors on the first communication interface, that is, the terminal identification of the reference point near the second terminal device.
  • the UL NAS Transport message can also carry other information, for example, it can also carry location request QoS information (LCS requested QoS information), that is, the second terminal device is for Location QoS requirements.
  • LCS requested QoS information location request QoS information
  • the second terminal device will first send to the RAN device, and the UL NAS Transport message is forwarded to the AMF via the RAN device.
  • the UL NAS Transport message in S401 may not carry the positioning capability information of the second terminal device.
  • the second terminal device independently reports its own positioning capability information. For example, before S401, when the second terminal device registers with the LMF, it carries its own positioning capability information in a registration message and reports it to the LMF.
  • the AMF selects an LMF with reference to the reported positioning capability information, positioning mode, and reference point information reported by the second terminal device.
  • the LMF is responsible for allocating the terminal ID
  • the reference point information reported by the second terminal device in S401 is the first terminal ID
  • the AMF may select the LMF that allocates the first terminal ID.
  • the AMF is responsible for allocating the terminal identifier, and the AMF may select an LMF that supports both the positioning method requested by the second terminal device and the positioning method supported by the second terminal device.
  • the second terminal device requests joint positioning based on the PC5 interface and the Uu interface
  • the second terminal device supports both positioning based on the PC5 interface and joint positioning based on the PC5 interface and the Uu interface. Co-located LMF for the Uu interface.
  • the LMF is responsible for allocating the terminal ID
  • the reference point information reported by the second terminal device in S401 is the first terminal ID
  • the AMF can select the LMF that allocates the first terminal ID, and the LMF also supports the second terminal device The requested positioning mode and the positioning mode supported by the second terminal device.
  • the AMF can also refer to other information to select the LMF.
  • the AMF gives priority to the LMF that provided the positioning business/service for the second terminal device last time; for example, the AMF refers to the positioning request QoS information, and selects the LMF that meets the QoS requirements of the second terminal device; for example, the AMF refers to the capabilities/loads of each LMF /location, select LMF.
  • the AMF forwards the UL NAS Transport message to the selected LMF.
  • the selected LMF refers to the positioning mode supported by the second terminal device and the requested positioning mode, and sends parameters for positioning to the second terminal device.
  • the selected LMF refers to the positioning method supported by the second terminal device and the requested positioning method, determines the positioning method of the second terminal device, and then sends parameters for positioning to the second terminal device based on the positioning method.
  • the parameters used for positioning include the positioning parameters of the PC5 interface and the positioning parameters of the Uu interface; for example, if the positioning mode is based on the positioning of the Uu interface, the The parameters include positioning parameters of the Uu interface; for example, if the positioning mode is based on the PC5 interface, the parameters used for positioning include the positioning parameters of the PC5 interface.
  • the positioning parameters of the PC5 interface include but are not limited to: time information, frequency resources, modulation mode, and signal format for sending the second positioning signal on the PC5 interface.
  • the positioning mode in the following sections is the joint positioning based on the PC5 interface and the Uu interface as an example, that is, the parameters used for positioning include the positioning parameters of the PC5 interface and the positioning parameters of the Uu interface.
  • the selected LMF sends the positioning parameters of the Uu interface to the RAN device.
  • the prerequisite for performing S404B is that the positioning manner determined by the LMF in S404A includes positioning based on the Uu interface.
  • the selected LMF refers to the terminal identifier reported by the second terminal device, the maximum number of terminal devices to be located that support services on the first communication interface reported by each reference point in the registration process, and the maximum number of terminal devices that can support services on the first communication interface.
  • QoS information, etc. select a reference point to provide positioning services for the second terminal device, for example, select the device corresponding to the first terminal identifier (ie the first terminal device); send the positioning parameters of the PC5 interface to the first terminal device.
  • the second terminal device broadcasts different positioning signals on the PC5 interface and the Uu interface. Specifically, for example, the second terminal device broadcasts the first positioning signal on the PC5 interface, and the second terminal device broadcasts the third positioning signal on the Uu interface.
  • the first terminal device measures the first positioning signal from the second terminal device on the PC5 interface
  • the RAN device measures the third positioning signal from the second terminal device on the Uu interface.
  • Example 2 the first terminal device broadcasts the second positioning signal on the PC5 interface, the RAN device broadcasts the fourth positioning signal on the Uu interface, and the second terminal device measures the second positioning signal from the first terminal device on the PC5 interface.
  • the fourth positioning signal from the RAN device is measured on the Uu interface.
  • Example 3 the second terminal device broadcasts the first positioning signal on the PC5 interface, and the RAN device broadcasts the fourth positioning signal on the Uu interface; the second terminal device measures the fourth positioning signal broadcast by the RAN device on the Uu interface, and the first terminal device The device measures the first positioning signal broadcast by the second terminal device on the PC5 interface.
  • Example 4 the first terminal device broadcasts the second positioning signal on the PC5 interface, and the second terminal device broadcasts the third positioning signal on the Uu interface; the second terminal device measures the second positioning signal broadcast by the first terminal device on the PC5 interface , the RAN device measures the third positioning signal broadcast by the second terminal device on the Uu interface.
  • the above four examples are based on joint positioning based on the PC5 interface and the Uu interface as examples in which the positioning mode performed by the second terminal device is used.
  • the measurement method can be different.
  • the second terminal device only executes the positioning mode based on the PC5 interface, then the RAN device and the second terminal device will not broadcast/measure positioning signals on the Uu interface.
  • At least one device among the second terminal device, the first terminal device, and the RAN device reports a measurement result.
  • Example 1 the first terminal device reports the measurement result of the first positioning signal on the PC5 interface to the LMF, and the RAN device reports the measurement result of the third positioning signal on the Uu interface to the LMF.
  • Example 2 the second terminal device reports the measurement result of the second positioning signal on the PC5 interface and the measurement result of the fourth positioning signal on the Uu interface to the LMF.
  • Example 3 the first terminal device reports the measurement result of the first positioning signal on the PC5 interface to the LMF, and the second terminal device reports the measurement result of the fourth positioning signal on the Uu interface to the LMF.
  • Example 4 the second terminal device reports the measurement result of the second positioning signal on the PC5 interface to the LMF, and the RAN device reports the measurement result of the third positioning signal on the Uu interface to the LMF.
  • the first terminal device and the second terminal device may carry the measurement results in an LPP message, and report the measurement results to the AMF via the RAN device, and then the AMF forwards the measurement results to the LMF.
  • the LMF considers the location of the first terminal device based on the measurement results of the Uu interface and the PC5 interface, and determines the location of the second terminal device.
  • the LMF returns the positioning result (location information of the second terminal device) to the second terminal device.
  • the positioning request message is reported by the second The terminal device actively reports its own positioning capability in the positioning request message (ie S401 ⁇ S403); while in the positioning method triggered by the network side, the positioning request message is sent by the device in the network (such as AF/client) to the LMF , the LMF may actively acquire the positioning capability of the second terminal device, or the second terminal device may actively report its positioning capability.
  • an embodiment of the present application provides a communication device 500, including: a communication module 501 and a processing module 502; wherein, the communication module 501 is used for the device 500 to communicate with other devices or network elements; the processing module 502 is used for communication through the communication module 501 Execute the method performed by any device or network element in the foregoing method embodiments.
  • the communication module 501 is configured to receive a first indication from the location management function, the first indication is used to indicate that the first terminal device is the second terminal based on the first communication interface
  • the device provides positioning service
  • the first communication interface is the communication interface between the first terminal device and the second terminal device, the second terminal device is the terminal device to be positioned;
  • the processing module 502 is configured to provide the second terminal device based on the first communication interface
  • the terminal device provides positioning services.
  • the communication module 501 is configured to receive a fourth indication from the positioning management function, where the fourth indication is used to instruct the second terminal device to perform positioning on the first communication interface; wherein , the second terminal device is a terminal device to be positioned, and the first communication interface is a communication interface between the first terminal device and the second terminal device; the processing module 502 is configured to perform positioning on the first communication interface.
  • the communication module 501 is configured to receive measurement information, the measurement information is measurement information on a first communication interface, and the first communication interface is between the first terminal device and the second terminal device The communication interface between; the processing module 502, configured to determine the location information of the second terminal device according to the location information and measurement information of the first terminal device.
  • the embodiment of the present application also provides a positioning device 600, including:
  • the memory 602 is located outside the device 600 .
  • the apparatus 600 includes the memory 602, the memory 602 is connected to the at least one processor 601, and the memory 602 stores instructions executable by the at least one processor 601.
  • FIG. 6 shows that memory 602 is optional for device 600 with dotted lines.
  • processor 601 and the memory 602 may be coupled through an interface circuit, or may be integrated together, which is not limited here.
  • the specific connection medium among the processor 601, the memory 602, and the communication interface 603 is not limited in the embodiment of the present application.
  • the processor 601, the memory 602, and the communication interface 603 are connected through a bus 604.
  • the bus is represented by a thick line in FIG. 6, and the connection mode between other components is only for schematic illustration. , is not limited.
  • the bus can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in FIG. 6 , but it does not mean that there is only one bus or one type of bus.
  • the processor mentioned in the embodiments of the present application may be implemented by hardware or by software.
  • the processor When implemented in hardware, the processor may be a logic circuit, an integrated circuit, or the like.
  • the processor When implemented by software, the processor may be a general-purpose processor implemented by reading software codes stored in a memory.
  • the processor can be a central processing unit (Central Processing Unit, CPU), and can also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC) , off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the memory mentioned in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile memory and nonvolatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Eate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components
  • the memory storage module may be integrated in the processor.
  • the embodiment of the present application also provides a chip 700, which can be used to execute the method performed by any device or network element in the above method embodiments.
  • the chip 700 includes: at least one input interface (Input(s)) 701, Logic circuit 702 , at least one output interface (Output(s)) 703 .
  • the above-mentioned logic circuit 702 may be a chip, an encoder, an encoding circuit or other integrated circuits that can implement the method of the present application.
  • the embodiments of the present application also provide a computer-readable storage medium, including programs or instructions, which, when the programs or instructions are run on the computer, enable any device or network element in the above method embodiments to execute the method is executed.
  • embodiments of the present application further provide a computer program product, including instructions, which, when run on a computer, cause the method performed by any device or network element in the above method embodiments to be executed.
  • the embodiments of the present application may be provided as methods, systems, or computer program products. 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 program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions
  • the device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

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Abstract

Les modes de réalisation de la présente demande concernent un procédé et un appareil de positionnement, qui peuvent prendre en considération à la fois la précision de positionnement et le coût de déploiement de réseau. Le procédé comprend : un premier dispositif terminal recevant une première instruction provenant d'une fonction de gestion de positionnement, la première instruction étant utilisée pour ordonner au premier dispositif terminal de fournir un service de positionnement pour un second dispositif terminal sur la base d'une première interface de communication, la première interface de communication étant une interface de communication entre le premier dispositif terminal et le second dispositif terminal, et le second dispositif terminal étant un dispositif terminal à positionner ; et le premier dispositif de terminal fournissant un service de positionnement destiné au second dispositif terminal sur la base de la première interface de communication. Dans les modes de réalisation de la présente demande, un premier dispositif terminal, au lieu de devoir ajouter une station de base, fournit un service de positionnement pour un second dispositif terminal, de telle sorte que la précision de positionnement peut être améliorée sans ajout d'un nœud de station de base.
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CN118679759A (zh) * 2023-01-16 2024-09-20 北京小米移动软件有限公司 定位处理方法以及装置、通信设备及存储介质
WO2024152169A1 (fr) * 2023-01-16 2024-07-25 北京小米移动软件有限公司 Appareil et procédé de traitement d'informations, dispositif de communication et support de stockage
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