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WO2025167841A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication

Info

Publication number
WO2025167841A1
WO2025167841A1 PCT/CN2025/075497 CN2025075497W WO2025167841A1 WO 2025167841 A1 WO2025167841 A1 WO 2025167841A1 CN 2025075497 W CN2025075497 W CN 2025075497W WO 2025167841 A1 WO2025167841 A1 WO 2025167841A1
Authority
WO
WIPO (PCT)
Prior art keywords
perception
terminal
positioning
terminal device
request
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2025/075497
Other languages
English (en)
Chinese (zh)
Inventor
雷骜
吴义壮
应江威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025167841A1 publication Critical patent/WO2025167841A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes

Definitions

  • the present application relates to the field of mobile communication technologies, and in particular to a communication method and device.
  • 5G fifth-generation
  • sensing nodes with sensing capabilities can send sensing signals and measure these signals to achieve perception of the target object.
  • the present application provides a communication method and apparatus for reasonably selecting a transmitter of a perception signal.
  • a communication method may be described by a first communication device.
  • the first communication device may be a perception device or a component in a perception device.
  • the perception device may be a perception network element or a terminal device.
  • the perception network element may be a sensing function (SF), an SF control plane (SF-C), or an SF user plane (SF-U), or a perception server.
  • the components in the present application may include, for example, at least one of a chip, a chip system, a processor, a transceiver, a processing unit, or a transceiver unit.
  • the method may be implemented by the following steps: the perception device receives a perception request, the perception request is used to request a first perception service; the perception device determines that the first terminal is the sender of a perception signal for the first perception service based on the positioning authority of the first terminal and/or the perception role indication of the first terminal, the positioning authority of the first terminal is used to determine that the location information of the first terminal is allowed to be obtained, and the perception role indication is used to indicate that the first terminal is allowed to be the sender of the perception signal.
  • the perception device can reasonably determine the sender of the perception signal based on the positioning authority of the first terminal and/or the perception role indication of the first terminal, that is, the first terminal that allows the location information to be obtained and/or the first terminal that allows to be the sender of the perception signal is determined as the sender of the perception signal.
  • the sender of the perception signal thus determined sends the perception signal, and even if the location information of the sender is calculated by a malicious perception signal receiver, there will be no privacy leakage problem.
  • the perception device determines the first terminal as the transmitter of the perception signal of the first perception service based on the positioning authority of the first terminal and/or the perception role indication of the first terminal. Specifically, the perception device determines the first terminal (or determines multiple terminal devices including the first terminal device, or determines an unspecified terminal device) as the alternative transmitter of the perception signal of the first perception service based on the perception request, and then determines the first terminal as the transmitter of the perception signal of the first perception service based on the positioning authority of the first terminal and/or the perception role indication of the first terminal, so as to verify whether the first terminal can serve as the transmitter based on the positioning authority of the first terminal and/or the perception role indication of the first terminal.
  • the first terminal may be a terminal device that meets the requirements of the first perception service, that is, the first terminal allows or supports the execution of the first perception service.
  • the perception capability of the first terminal can support the first terminal as a transmitter of the perception signal.
  • the positioning authority of the first terminal is used to determine that the location information of the first terminal is allowed to be obtained, and/or the perception role indication of the first terminal is used to indicate that the first terminal is allowed to be a transmitter of the perception signal.
  • the present application does not limit the order in which the perception device determines that the first terminal meets the requirements of the first perception service, the perception device determines that the perception capability of the first terminal supports the first terminal as a transmitter of the perception signal, and the perception device obtains the positioning authority and/or perception role indication of the first terminal.
  • the perception device may further send a perception control request to the first terminal, where the perception control request is used to instruct sending a perception signal of the first perception service.
  • the perception device when the perception device is a device other than a perception network element or the first terminal, the perception device can trigger the first terminal to send a perception signal through a perception control request.
  • the method further includes: the sensing device sending a sensing signal of the first sensing service.
  • the first terminal may send a perception signal after determining that it can serve as a transmitter of the perception signal of the first perception service.
  • the method before determining the first terminal as the sender of the perception signal of the first perception service based on the positioning authority of the first terminal, the method also includes: the perception device determines the perception mode based on the perception request, and the perception mode is to send the perception signal through the terminal.
  • the perception device may execute the method shown in this application when determining that the perception mode is to send a perception signal through a terminal.
  • the method further includes: the sensing device obtains the positioning authority of the first terminal, the positioning authority of the first terminal includes at least one of the following: feedback of the positioning notification, the positioning notification is used to request the first terminal or the user of the first terminal to reply to agree or disagree to the acquisition of location information; the positioning authority signed by the first terminal; indication information used to indicate that the location information of the first terminal is allowed to be acquired, the indication information is determined based on the positioning authority signed by the first terminal and/or the feedback of the positioning notification.
  • the positioning authority of the first terminal includes the indication information
  • the way in which the perception device obtains the indication information includes: the perception device obtains the positioning authority subscribed by the first terminal and/or the feedback of the positioning notification; the perception device determines the indication information based on the positioning authority subscribed by the first terminal and/or the feedback of the positioning notification.
  • the positioning authority of the first terminal includes feedback on the positioning notification
  • obtaining the feedback on the positioning notification includes: sensing that a device sends the positioning notification, and further obtaining the feedback on the positioning notification based on a first response message to the positioning notification.
  • the feedback on the positioning notification may be determined based on the first response message or may be included in the first response message.
  • the sending of the positioning notification includes: the perception network element sends the positioning notification to the first terminal through the access and mobility management network element (such as AMF); the access and mobility management network element can receive the positioning notification from the SF and send the positioning notification to the first terminal.
  • the access and mobility management network element such as AMF
  • the first terminal may receive the positioning notification; the first terminal may trigger a positioning notification feedback request based on the positioning notification, the positioning notification feedback request being used to request the user to respond with consent or non-consent to the acquisition of location information; the first terminal may also obtain operational feedback for the feedback request triggering the positioning notification or feedback indicating no operational response from the user, and send a second response message to the access and mobility management network element based on the operational feedback or the feedback indicating no operational response from the user.
  • the access and mobility management network element may also send a second response message based on the second response message or the failure to receive the second response message to the positioning notification within a predetermined time period, the second response message indicating that the first terminal or the user of the first terminal responded with consent to the acquisition of location information, that the first terminal or the user of the first terminal responded with non-consent to the acquisition of location information, or that the user provided no operational feedback.
  • the perception network element may also receive the first response message from the access and mobility management network element.
  • the first response may indicate that the first terminal or the user of the first terminal responded with consent to the acquisition of location information, that the first terminal or the user of the first terminal responded with non-consent to the acquisition of location information, that the user provided no operational feedback, or that the first terminal did not respond to the positioning notification.
  • the perception network element can send a positioning notification to the terminal device through the access network device where the terminal device is located.
  • the access network device can send a positioning notification to the terminal device, and the terminal device can determine a response message based on the operation feedback of the positioning notification triggered by the positioning notification or the user's no operation feedback, which is used to indicate that the first terminal or the user of the first terminal replies that they agree to obtain the location information, that the first terminal or the user of the first terminal replies that they do not agree to obtain the location information, or that the user has no operation feedback.
  • the terminal device can also provide a response message to the perception network element, and the perception network element can determine the feedback of the positioning notification based on the response message of the positioning notification.
  • the positioning authority of the first terminal includes the positioning authority subscribed by the first terminal, and obtaining the positioning authority of at least one terminal includes: obtaining the positioning authority subscribed by the first terminal from the data management function network element.
  • obtaining the subscribed positioning authority of the first terminal from the data management function network element may include: the perception network element sending the identifier of the first terminal to the data management function network element, for example, the identifier of the first terminal is included in a subscribed positioning authority acquisition request; after receiving the request, the data management function network element may determine the subscribed positioning authority of the first terminal based on the identifier of the first terminal; the data management function network element may also send the subscribed positioning authority of the first terminal and receive the subscribed positioning authority of the first terminal from the data management function network element.
  • the perception network element may send the identifiers of multiple terminal devices through one request and/or receive the subscribed positioning authorities of multiple terminal devices provided by the data management function network element through one signaling, thereby saving signaling.
  • the method further includes: the perception device obtains the perception capability information of the first terminal from the first terminal; and, based on the perception capability information, determines that the first terminal supports being a transmitter of a perception signal.
  • the fact that the terminal device supports being a transmitter of a perception signal can serve as a condition for the perception device to determine to trigger the execution of the method described in this application, or as a condition for triggering the acquisition of the positioning authority subscribed by the terminal device, or as a condition for triggering the acquisition of feedback of the positioning notification described in this application. That is, the perception device can execute the method described in this application when it learns that the terminal device supports being a transmitter of a perception signal.
  • the sensing device may obtain the sensing role indication from the first terminal.
  • the sensing device may receive the sensing role indication from an access and mobility management network element.
  • the perception role indication may be included in the perception capabilities reported by the first terminal.
  • the perception capability information may be reported by the first terminal to the perception network element via the access and mobility management network element.
  • the perception capability information may be included in a registration request sent by the first terminal to the access and mobility management network element.
  • the perception capability information may be included in a perception registration request sent by the access and mobility management network element to the perception device.
  • the apparatus when the apparatus is used to execute the method described in any one of the first to third aspects, the apparatus may include a communication unit and a processing unit.
  • an embodiment of the present application also provides a communication device, comprising a processor for executing a computer program (or computer executable instructions) stored in a memory.
  • a communication device comprising a processor for executing a computer program (or computer executable instructions) stored in a memory.
  • the computer program or computer executable instructions
  • the device executes the method described in any possible implementation of any aspect from the first to the third aspect.
  • processor and memory are integrated;
  • the memory is located outside the communication device.
  • the communication device also includes a communication interface, which is used for the communication device to communicate with other devices, such as sending or receiving data and/or signals.
  • the communication interface can be a transceiver, circuit, bus, module or other type of communication interface.
  • a computer-readable storage medium which is used to store computer programs or instructions.
  • the method described in any possible implementation of any aspect from the first to the third aspect and the method shown in any possible implementation thereof are implemented.
  • an embodiment of the present application further provides a communication device for executing the method described in any possible implementation of any one of the first to third aspects above.
  • FIG1 is a schematic diagram of the architecture of a wireless communication system provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of the architecture of another wireless communication system provided in an embodiment of the present application.
  • FIG5 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG8 is a flow chart of another communication method provided in an embodiment of the present application.
  • FIG9 is a flow chart of another communication method provided in an embodiment of the present application.
  • FIG10 is a flow chart of another communication method provided in an embodiment of the present application.
  • FIG11 is a flow chart of another communication method provided in an embodiment of the present application.
  • FIG12 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • FIG13 is a schematic structural diagram of another communication device provided in an embodiment of the present application.
  • Figures 1a) and 1b respectively illustrate two possible architectures in a 5G network: a converged architecture (see Figure 1a)) and a standalone architecture (see Figure 1b)).
  • the difference between the converged and standalone architectures lies in the location of the service-specific SF deployment.
  • the SF in a converged architecture, can be deployed within the traditional 5G core network (5GC) and interact with other network elements using a serving-based architecture (SBA) interface.
  • SBA serving-based architecture
  • the SF can interact with servers external to the 5GC through the NEF, for example, receiving perception request messages from external servers.
  • RAN devices such as base stations, can send received perception data to the SF via the user plane for processing.
  • the SF in a standalone architecture, can be deployed outside the traditional 5GC.
  • the SF cannot interact with other network elements using the SBA interface and may need to communicate with other 5GC network elements through an NEF (such as NEF 1 in the figure).
  • the SF can interact with external servers through the NEF, or directly with external servers without the NEF.
  • the SF can interact with RAN equipment and, further, with terminal devices through the RAN equipment.
  • FIG 2 is a schematic diagram of the network architecture of an SBA in a 5G network provided by an embodiment of the present application.
  • the 5G network architecture may include three parts: the terminal, the data network (DN), and the operator network.
  • a terminal may also be called user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal equipment, wireless communication equipment, user agent or user device.
  • UE user equipment
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal equipment wireless communication equipment
  • wireless communication equipment user agent or user device.
  • a terminal is a device with wireless transceiver capabilities. It communicates with one or more core network (CN) devices (also called core devices) via access network equipment (also called access devices) within a wireless access network. Terminals can be deployed on land, indoors or outdoors, handheld or in vehicles; on water (such as ships); or in the air (such as aircraft, balloons, and satellites).
  • CN core network
  • access network equipment also called access devices
  • a terminal can also be an endpoint in the Internet of Things (IoT) system, also known as an IoT node.
  • IoT Internet of Things
  • IoT node An endpoint in the Internet of Things (IoT) system
  • IoT node An endpoint in the Internet of Things (IoT) system
  • IoT node An endpoint in the Internet of Things (IoT) system
  • IoT node An endpoint in the Internet of Things (IoT) system
  • IoT Internet of Things
  • Its primary technical feature is connecting objects to the Internet through communication technologies, enabling intelligent networks that interconnect humans and machines, and objects and things. Connections can be achieved through broadband or narrowband (NB) technology.
  • NB narrowband
  • IoT technology for example, utilizes narrowband technology to achieve massive connections, deep coverage, and power-saving terminals.
  • the operator network may include one or more of the following network elements: an authentication server function (AUSF) network element, a network exposure function (NEF) network element, a policy control function (PCF) network element, a unified data management (UDM) network element, a network repository function (NRF) network element, an application function (AF) network element, an access and mobility management function (AMF) network element, a session management function module (SMF) network element, a user plane function (UPF) network element, a network slice selection function (NSSF) network element, and an access network (AN) (such as a radio access network (RAN) network element).
  • AUSF authentication server function
  • NEF network exposure function
  • PCF policy control function
  • UDM unified data management
  • NRF network repository function
  • AF application function
  • AMF access and mobility management function
  • SMF session management function module
  • UPF user plane function
  • NSSF network slice selection function
  • AN access network
  • AN access network (such as a radio access network (RAN) network
  • a RAN node can be a centralized unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU).
  • the CU and DU can be separate or included in the same network element, such as a baseband unit (BBU).
  • BBU baseband unit
  • the RU can be included in a radio frequency device or radio unit, such as a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH).
  • Network equipment in vehicle-to-everything (V2X) technology can be a roadside unit (RSU).
  • CU or CU-CP and CU-UP
  • DU or RU may have different names, but those skilled in the art can understand their meanings.
  • CU may also be called open CU (O-CU)
  • DU may also be called O-DU
  • CU-CP may also be called O-CU-CP
  • CU-UP may also be called O-CU-UP
  • RU may also be called O-RU.
  • this application uses CU, CU-CP, CU-UP, DU and RU as examples for description.
  • Any unit among the CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.
  • the device for implementing the functions of a RAN node may be the RAN node itself; or it may be a device capable of supporting the RAN node in implementing the functions, such as a chip system, a hardware circuit, a software module, or a combination of a hardware circuit and a software module.
  • the device may be installed in the RAN node or used in conjunction with the RAN node.
  • the embodiments of the present application are described using the RAN node as an example, and do not limit the embodiments of the present application.
  • the RAN node in this application can be a hardware device, a software function running on dedicated hardware, a software function running on general-purpose hardware, or a virtualized device, for example, implemented by general-purpose hardware and instantiated virtualization functions, or by dedicated hardware and instantiated virtualization functions.
  • the general-purpose hardware can be a server, such as a cloud server.
  • AMF is mainly responsible for terminal authentication, terminal mobility management (MM), network slice selection, and SMF selection. It serves as the anchor point for N1 and N2 signaling connections and provides routing for N1/N2 session management (SM) messages for SMF. It also maintains and manages terminal status information.
  • MM terminal mobility management
  • SMF session management
  • SMF is mainly responsible for all control plane functions of terminal session management, including UPF selection, Internet Protocol (IP) address allocation, session quality of service (QoS) management, and obtaining PCC (policy and charging control) strategies (from PCF).
  • UPF selection Internet Protocol (IP) address allocation
  • QoS session quality of service
  • PCC policy and charging control
  • UPF As the anchor point for protocol data unit (PDU) session connections, UPF is responsible for terminal data packet filtering, data transmission/forwarding, rate control, and billing information generation.
  • PDU protocol data unit
  • UDR is mainly used to store user data, including contract data called by UDM, policy information called by PCF, structured data for capability exposure, and application data called by NEF.
  • UDM is mainly used to manage and control user data, such as the management of contract information, including obtaining contract information from UDR and providing it to other network elements (such as AMF); generating 3GPP authentication credentials for the terminal; and registering and maintaining the network element currently serving the terminal (for example, the AMF represented by AMF ID1 is the terminal's current serving AMF, serving AMF)).
  • AMF Access Management Function
  • NEF is used to connect other internal network elements of the core network and the application function (AF) network elements corresponding to the application server (AS) outside the core network, so as to provide network open capabilities to AF, or provide information provided by AF to core network elements.
  • AF application function
  • AS application server
  • the AUSF authentication server function is used to perform security authentication on terminals when they access the network.
  • the PCF primarily controls quality of service (QoS) and charging policies. It provides configuration policy information to terminals and provides terminal management and control policy information to network control plane elements (such as AMF and SMF).
  • QoS quality of service
  • SMF network control plane elements
  • the AF primarily communicates application-side requirements to the network and can be considered an application server or an application server proxy.
  • the AF can interact with core network elements to provide services. For example, it can interact with the PCF to control service policies, interact with the NEF to obtain network capability information or provide application information to the network, and provide data network access point information to the PCF to generate routing information for data services.
  • DN mainly provides business services to users.
  • Each network element communicates through an interface.
  • the interface between the terminal and AMF is the N1 interface
  • the interface between the AN and AMF is the N2 interface
  • the interface between the AN and UPF is the N3 interface
  • the interface between the SMF and UPF is the N4 interface
  • the interface between the UPF and DN is the N6 interface.
  • Some network elements can communicate based on service-based interfaces, among which Nnssf, Nnef, Nnrf, Npcf, Nudm, Naf, Nusf, Namf, Npcf, and Nsf in Figure 1 are service-based service interfaces.
  • the interface Nsf is only one possible name, and this application does not limit the name of the service-based interface corresponding to the SF.
  • the various network elements in the core network and the interfaces between them is merely illustrative and does not constitute any limitation on this application.
  • the various network elements shown in the figure can be understood as network elements used to implement different functions in the core network, for example, they can be combined into network slices as needed.
  • These core network elements can be independent devices or integrated into the same device to implement different functions. This application does not limit the specific form of these network elements.
  • network elements used in future communication systems can be the above-mentioned network elements, or can be network elements with other names that have the same or similar functions. This application does not limit this.
  • the apparatus for implementing each core network function may be a core network element corresponding to each function; or it may be a device capable of supporting the core network element in implementing its respective function, such as a chip system, hardware circuit, software module, or a combination of hardware circuit and software module.
  • the apparatus may be installed in the core network element or used in conjunction with the core network element.
  • the embodiments of the present application are described using the core network element as an example, and do not limit the embodiments of the present application.
  • the core network element in this application can be a hardware device, a software function running on dedicated hardware, a software function running on general-purpose hardware, or a virtualized device, for example, implemented by general-purpose hardware and instantiated virtualization functions, or by dedicated hardware and instantiated virtualization functions.
  • the general-purpose hardware can be a server, such as a cloud server.
  • some base stations or terminals in RAN can be used as perception nodes because they have the perception capability brought by electromagnetic waves.
  • the implementation of perception is similar to the principle of radar. That is, the transmitting end (or transmitter, that is, the perception node) transmits electromagnetic waves (that is, perception signals), and the electromagnetic waves are reflected by the object to be perceived and then obtained by the receiving end.
  • the receiving end or receiver, that is, the perception node
  • the receiving end can further process the obtained reflected signal (which can be called perception raw data) to obtain perception data, and the perception data can be used to obtain perception results.
  • “Sending” in this application can refer to sending through an interface between devices (such as an air interface or a communication interface), or it can refer to sending through an interface between components within the same device (such as an interface circuit).
  • sending can also be replaced by "output”.
  • receiving can refer to receiving through an interface between devices, or it can refer to receiving through an interface between components within the same device.
  • receiving can also be replaced by "input”.
  • perception nodes may also include other forms of network equipment, communication devices or network devices, which are not specifically limited in this application.
  • Table A is an example of the sensing capabilities of speed radar, monitoring radar, and imaging radar.
  • V2X and unmanned aerial vehicle (VAU) scenarios for example, because the perception distance of vehicles or drones is short or non-line of sight (NLOS) paths cannot be perceived, dynamic maps can be generated based on perception data.
  • perception data For example, during the driving of a vehicle or drone, there may be traffic hazards such as the sudden appearance of pedestrians or non-motor vehicles, or pedestrians or non-motor vehicles being in blind spots. Dangerous events can be identified based on perception data and the vehicle or drone can be notified to perform emergency operations.
  • vehicle or drone autonomous driving assistance customized high-precision dynamic maps can be generated based on perception data to assist vehicles or drones in autonomous driving.
  • V2X and drone scenarios it is possible to identify vehicles or drones driving in violation of regulations based on perception data, such as vehicles occupying emergency lanes or drones leaving their routes, and to issue real-time warnings.
  • Figure 4 is a schematic diagram of parameters that influence perception accuracy and resolution. Using the Internet of Vehicles (IoV) scenario as an example, Figure 4 illustrates several parameters that influence perception KPIs: positioning accuracy (both vertical and horizontal), velocity accuracy (both vertical and horizontal), and resolution (both area and speed).
  • IoV Internet of Vehicles
  • Range resolution ⁇ The ability to distinguish adjacent targets at distance, usually measured as the minimum resolvable distance interval, used to identify different vehicles.
  • Velocity resolution ⁇ the ability to distinguish targets in radial velocity.
  • Angular accuracy ⁇ The ability of the radar to distinguish adjacent targets in terms of angle, usually measured by the minimum resolvable angle.
  • sensing nodes can include terminal devices or base stations (base stations can also be replaced by other devices, such as roadside units (RSUs)).
  • the transmitter of the sensing signal can be a terminal device or a base station, and the receiver of the sensing signal can also be a terminal device or a base station.
  • the sensing service can include the following sensing modes: sensing mode A, the transmitter of the sensing signal is terminal device a, and the receiver of the sensing signal is terminal device b; sensing mode B, the transmitter and receiver of the sensing signal are both terminal device a; sensing mode C, the transmitter of the sensing signal is a terminal device, and the receiver of the sensing signal is a base station; sensing mode D, the transmitter of the sensing signal is base station a, and the receiver of the sensing signal is base station b; sensing mode E, the transmitter and receiver of the sensing signal are both base station a; sensing mode F, the transmitter of the sensing signal is the base station, and the receiver of the sensing signal is the terminal device.
  • the transmitter of the sensing signal is the terminal device.
  • the transmitter of the sensing signal is the base station.
  • sensing nodes can perform sensing measurements based on sensing signals to obtain sensing data.
  • the transmitter of the sensing signals can be a terminal device or a base station, without specific limitations. Currently, the selection of the transmitter of the sensing signals needs to be improved to ensure reasonable determination of the transmitter.
  • the receiving end of the perception signal is able to obtain the location information of the sending end through direct or indirect calculation.
  • the location information of the terminal device is private information. If the terminal device (and its user) does not agree or authorize the location information of the terminal device to be obtained by other devices, there is a risk of privacy leakage if the terminal device is selected as the sending end of the perception signal.
  • the present application provides a communication method for realizing reasonable determination of the sending end of a perception signal.
  • the execution subject of the communication method may include a perception network element and a terminal device.
  • the perception device can be used to determine the sending end of the perception signal.
  • the perception network element may be an SF network element.
  • the perception network element may include a SF control plane (SF-control plain, SF-C) network element and/or a SF user plane (SF-user plain, SF-U) network element.
  • the method can also be applied to other devices that can be used to determine the sending end of the perception signal, such as a perception server, AS, AF, cloud platform or edge platform, etc., without specific limitation.
  • a perception server AS, AF, cloud platform or edge platform, etc.
  • the perception network element, terminal device or other device may be referred to as a perception device.
  • the execution subject of the communication method shown in this application can also be a component such as a functional module, chip or circuit in the perception device, that is, the actions performed by the perception device, perception network element, terminal device or other device below can also be replaced by the component in the corresponding device.
  • the communication method provided in the embodiment of the present application includes the following steps:
  • a sensing device receives a sensing request, wherein the sensing request is used to request a first sensing service.
  • the perception request may be used to trigger a first perception service.
  • the perception device may trigger the determination of a transmitter of a perception signal based on a received perception request.
  • the perception device may determine, based on the perception request, a terminal or base station as the transmitter of the perception signal.
  • the terminal device may determine, based on the perception request, whether it can or cannot serve as the transmitter of the perception signal.
  • the terminal device receiving the perception request may be referred to as the first terminal below.
  • the perception device determines the terminal device as the transmitter of the perception signal according to the perception request.
  • the perception mode of the first perception service may be: the terminal device serves as the transmitter of the perception signal.
  • the perception device may determine the perception mode of the first perception service as the terminal device serves as the transmitter of the perception signal according to the perception request, or the perception device may determine the transmitter of the perception signal according to the perception request, and the transmitter of the perception signal is the terminal device.
  • the perception device may not determine the transmitter of the perception signal after determining the mode of the first perception service, but directly select a specific node from the nodes allowed to serve as the transmitter of the perception signal to send the perception signal of the first perception service, wherein the nodes allowed to serve as the transmitter of the perception signal include access network devices and/or terminal devices, and the specific node is the terminal device.
  • the perception request may include an indication of the perception mode (such as indicating that the perception mode is the above-mentioned perception mode A, perception mode B and/or perception mode C) or type information of the sender of the perception signal (such as indicating that the type is a terminal device).
  • the perception device determines the perception mode to be used based on the business scenario of the first perception service.
  • the business scenario can be intrusion detection, traffic flow detection or gesture recognition, etc. This application does not limit the business scenario and the method of determining the perception mode based on the business scenario.
  • the perception request may come from a perception requesting device.
  • the perception requesting device may be the initiating device of the perception service, or may come from other network elements related to the perception service, such as NEF.
  • the initiating device of the perception service may be a network device (such as NEF or AF) or a terminal device. It should be noted that when the perception request comes from a terminal device, the perception request may come from an application (APP) on the terminal device.
  • APP application
  • the perception mode of the first perception service is that the terminal device acts as the transmitter of the perception signal, which can be used as a prerequisite for executing S102. That is, when it is determined that the perception mode of the first perception service is that the terminal device acts as the transmitter of the perception signal, S102 is executed. In other words, if the perception mode of the first perception service is not that the terminal device acts as the transmitter of the perception signal, S102 is ignored or not executed.
  • the perception device determines, according to the positioning authority of the first terminal and/or the perception role indication of the first terminal, that the first terminal serves as a sender of a perception signal of a first perception service.
  • the positioning authority of the first terminal is used to determine whether the location information of the first terminal is allowed to be obtained.
  • the positioning authority of the terminal can be used to indicate whether the location information of the terminal is allowed or not to be obtained.
  • the positioning authority of the terminal can be used to determine whether the location information of the terminal is allowed or not to be obtained.
  • the perception role indication of the first terminal is used to indicate that the first terminal is allowed to serve as a transmitter of a perception signal.
  • the perception role indication of the terminal can be used to indicate whether the terminal is allowed or not to serve as a transmitter of a perception signal.
  • the perception role indication of the terminal can be used to determine whether the terminal is allowed or not to serve as a transmitter of a perception signal.
  • the first terminal may be a terminal device that meets the requirements of the first perception service, that is, the first terminal allows or supports the execution of the first perception service.
  • the perception capability of the first terminal can support the first terminal as a transmitter of the perception signal.
  • the positioning authority of the first terminal is used to determine that the location information of the first terminal is allowed to be obtained, and/or the perception role indication of the first terminal is used to indicate that the first terminal is allowed to be a transmitter of the perception signal.
  • the perception request may be sent by the AF to the NEF, and then sent by the NEF to the perception network element.
  • the AF can send the perception request to the perception network element without sending the perception request through the NEF.
  • the AF can send the perception request to the SF through the service-oriented interface.
  • the positioning notification may be used to request the terminal device or the user of the terminal device to respond to whether or not to agree to the acquisition of the location information.
  • the feedback may be made by the terminal device or the user of the terminal device.
  • the perception network element can send a positioning notification to the terminal device, and the perception network element can also determine the feedback of the positioning notification based on the first response message of the received positioning notification.
  • the first response message can be used to indicate (or determine or express): the first terminal or the user of the first terminal replies to agree to obtain the location information, the first terminal or the user of the first terminal replies to disagree to obtain the location information, the user has no operation feedback, or the first terminal does not reply to the positioning notification.
  • the first response message can come from the terminal device, or can come from an intermediate network element (such as AMF), which can be used to communicate between the terminal device and the perception network element.
  • AMF intermediate network element
  • the feedback of the positioning notification can be used to indicate the consent to the location information being obtained; if the first response message indicates that the first terminal or the user of the first terminal disagrees to the location information being obtained, the feedback of the positioning notification can be used to indicate the disagreement to the location information being obtained.
  • the perception device can determine whether the user agrees or disagrees with the location information being obtained. For example, in the case where the location information of the terminal device is not allowed to be obtained without consent, such as the third contracted positioning information indicates that the terminal device does not need to feedback consent, or the third contracted positioning information further indicates that the location information of the terminal device is not allowed to be obtained when the user has no operational feedback, if the first response message indicates that the user has no operational feedback, the feedback of the positioning notification can be used to indicate disagreement with the location information being obtained.
  • the location information of the terminal device is not allowed to be obtained without consent
  • the third contracted positioning information indicates that the terminal device does not need to feedback consent
  • the third contracted positioning information further indicates that the location information of the terminal device is not allowed to be obtained when the user has no operational feedback
  • the feedback of the positioning notification can be used to indicate disagreement with the location information being obtained.
  • the location information of the terminal device is not allowed to be obtained when the terminal device does not reply to the positioning notification.
  • the decision of the perception device does not need to refer to the third contracted positioning information.
  • the location information of the terminal device is allowed to be obtained without consent, such as the third contracted positioning information indicates that the terminal device needs to feedback consent, or the third contracted positioning information further indicates that the location information of the terminal device is allowed to be obtained when the user has no operational feedback
  • the feedback of the positioning notification can be used to indicate consent to the location information being obtained.
  • whether the location information of the terminal device is allowed or not to be obtained without consent can be determined according to the contracted positioning authority of the terminal device. Please refer to the description of the third contracted positioning information below.
  • the perception network element may determine that the feedback of the positioning notification is used to indicate that the location information is not agreed to be obtained.
  • the perception network element sends a positioning notification to the terminal device through other intermediate network elements such as AMF
  • the intermediate network element may send a first response message to the perception network element to indicate that the first terminal has not replied to the positioning notification.
  • the perception network element may determine that it does not agree to the location information being obtained based on the feedback of the positioning notification that the terminal device has not responded.
  • the terminal device requests the user to reply to agree or disagree with the acquisition of location information, or the terminal device obtains the second response message in a manner, for example: the terminal device triggers a feedback request for the positioning notification based on the received positioning notification.
  • the feedback request for the positioning notification is used to request the user to reply to agree or disagree with the acquisition of location information.
  • the terminal device can also send a second response message based on the user's operational feedback on the feedback request for the positioning notification, or based on the user's lack of operational feedback.
  • the second response message can indicate (or determine or indicate): the terminal device or the user of the terminal device replies to agree to the acquisition of location information, disagree to the acquisition of location information, or the user has no operational feedback.
  • the second response message can indicate that the user has no operational feedback
  • the first response message can indicate that the user has no operational feedback
  • triggering a feedback request for a location notification can involve a terminal device triggering the operating system (OS) to display (e.g., display or play a voice message) the location notification feedback request to the user.
  • the OS can also detect user operations through human-machine interaction (HMI), obtain operational feedback, and indicate the user's operational feedback to the terminal device via a location privacy indication (LPI).
  • operational feedback can include a user's response indicating consent for location information to be obtained, a user's response indicating disagreement, or no operational feedback from the user.
  • the terminal device can send a second response message based on the operational feedback or based on the lack of operational feedback within a certain period of time.
  • the operational feedback made by the user to indicate that the location information is obtained is, for example, the user triggering an operation (such as clicking, touching or long pressing) on a virtual button indicating consent through the display screen;
  • the operational feedback made by the user to indicate that the location information of the terminal device is obtained is, for example, the user triggering an operation on a virtual button indicating consent through the display screen.
  • the operational feedback made by the user to indicate that the location information of the terminal device is obtained is, for example, the user replying with "agree” or other statements indicating consent through voice; the operational feedback made by the user to indicate that the location information of the terminal device is obtained is, for example, the user replying with "disagree” or other statements indicating disagreement through voice.
  • the sensing device is a terminal device
  • the terminal device can trigger a positioning notification and obtain feedback on the positioning notification.
  • the triggering method of the positioning notification and the method of obtaining the response message can be found in the example of the feedback request for triggering the positioning notification, and the repeated parts will not be repeated here.
  • the terminal device can trigger a positioning notification and obtain the user's operational feedback on the positioning notification through the operating system, and further determine the feedback on the positioning notification based on the operational feedback.
  • the operational feedback may include: the user's reply agreeing to obtain the location information, disagreeing to obtain the location information, or the user having no operational feedback.
  • the feedback of the positioning notification can be used to indicate consent to the acquisition of the location information; if the operational feedback is the user's reply disagreeing to obtain the location information, the feedback of the positioning notification can be used to indicate disagreement to the acquisition of the location information.
  • the sensing device can determine whether the user agrees or disagrees with the location information being obtained.
  • the third contracted positioning information indicates that the terminal device does not need to feedback consent, or the third contracted positioning information further indicates that the location information of the terminal device is not allowed to be obtained when the user has no operation feedback
  • the feedback of the positioning notification can be used to indicate that the location information is not allowed to be obtained. It can also be assumed that the location information of the terminal device is not allowed to be obtained when the user has no operation feedback.
  • the decision of the sensing device does not need to refer to the third contracted positioning information.
  • the third contracted positioning information indicates that the terminal device needs to feedback consent, or the third contracted positioning information further indicates that the location information of the terminal device is allowed to be obtained when the user has no operation feedback, if the operation feedback is that the user has no operation feedback, the feedback of the positioning notification can be used to indicate that the location information is allowed to be obtained ...
  • the response message of the positioning notification (including the first response message or the second response message) and the feedback of the positioning notification may also be the same information or message
  • the field in the response message of the positioning notification used to indicate consent to the acquisition of the location information and the field in the feedback of the positioning notification used to indicate consent to the acquisition of the location information may be the same field or may be different fields
  • the field in the response message of the positioning notification used to indicate disagreement with the acquisition of the location information and the field in the feedback of the positioning notification used to indicate disagreement with the acquisition of the location information may be the same field or may be different fields.
  • the field in the positioning notification response message used to indicate whether the location information is agreed or not may include a bit. When the value of this bit is 0 (or 1), it indicates that the location information is not agreed to be obtained. When the value of this bit is 1 (or 0), it indicates that the location information is agreed to be obtained.
  • the positioning notification response message may carry a status value of "true” or "false", where "true” indicates that the location information is agreed to be obtained and "false” indicates that the location information is not agreed to be obtained.
  • the sensing network element obtains feedback on the positioning notification by, for example, sending the positioning notification to the terminal device via the AMF. That is, the AMF can act as an intermediate network element.
  • the terminal device triggers a positioning notification feedback request based on the positioning notification.
  • the terminal device may determine a second response message based on user operational feedback or based on the user's lack of operational feedback within a certain period of time, and send the second response message to the AMF regarding the positioning notification. If the user replies that they agree to have their location information obtained, the second response message may indicate that the user has replied that they agree to have their location information obtained. If the user replies that they disagree, the second response message may indicate that the user disagrees.
  • the second response message may indicate that the user has not provided operational feedback.
  • the AMF may send a first response message to the sensing network element based on the second response message or based on the failure to receive the second response message within a certain period of time.
  • the first and second response messages can be described in this application, and any repetitions will not be repeated.
  • the perception network element can obtain the identifier of the AMF to which the terminal device belongs, such as the AMF ID, based on the terminal device's perception capability reporting process, so as to send a positioning notification to the terminal device based on the AMF identifier.
  • the terminal device can report its perception capabilities to the perception network element through the AMF.
  • the perception capabilities can be used to indicate whether the terminal device supports perception or not.
  • the response message of the positioning notification can be sent by the terminal device to the perception network element through the AMF, that is, the AMF can send the second response message to the perception network element without processing the second response message. That is, the first response message can include the second response message.
  • the location permission contracted by the terminal device can be a terminal privacy profile.
  • This privacy profile can reuse the privacy profile of the location services (LCS) or be a perception-specific privacy profile.
  • the location authority subscribed by the terminal device may include one or more of the following information:
  • the terminal device needs to be notified when the location information of the terminal device is obtained. For example, when the terminal device is used as the sender of the perception signal, it is necessary to notify the terminal device that it is determined as the sender of the perception signal, but the terminal device does not need to reply to a response message indicating consent. For example, before the perception device is determined as the sender of the perception signal, it does not need to send a positioning notification to the terminal device. It only needs to send a perception role notification to the perception device after determining the terminal device as the sender of the perception signal, to notify the terminal device as the sender of the perception device.
  • the terminal device does not need to be notified when the location information of the terminal device is obtained. For example, when the terminal device is used as the sender of the perception signal, it is not necessary to notify the terminal device that it is determined as the sender of the perception signal. For example, the perception device does not need to send a positioning notification to the terminal device before determining the terminal device as the sender of the perception signal. In addition, after determining the terminal device as the sender of the perception signal, it is not necessary to send a perception role notification to the perception device.
  • the third contract positioning information may also indicate whether the location information of the terminal device is allowed or not to be obtained when the user has no operational feedback and/or the terminal device has not responded to the positioning notification (or feedback request for the positioning notification).
  • the third contract positioning information may indicate that the location information of the terminal device is not allowed to be obtained when the perception network element has not received a response message from the terminal device indicating consent to obtain the location information.
  • the terminal device is not allowed to be determined as the sender of the perception signal.
  • the intermediate network element may determine to send a response message or feedback message to the perception network element based on the failure to obtain a reply message from the terminal device.
  • the response message or feedback message is used to indicate that the terminal device has not responded to the positioning notification.
  • the location information can be used to indicate the location or area to which the positioning authority contracted by the terminal applies.
  • the same terminal can sign contracts for different positioning authorities in different locations or areas.
  • at least one of the first contracted positioning information, the second contracted positioning information, or the third contracted positioning information in the positioning authority contracted by the terminal device may be different.
  • the first contracted information of the terminal device in area A indicates that the location information of the terminal device is allowed to be obtained
  • the first contracted information of the terminal device in area B indicates that the location information of the terminal device is not allowed to be obtained.
  • the perception device can determine whether the first terminal is allowed or not to obtain the location information when in that location based on the location information and the location information of the first terminal. For example, if the first terminal is located in area A, and the first subscription information corresponding to area A indicates that the location information of the terminal device is allowed to be obtained, then the first terminal can serve as the sender of the perception signal of the first perception service.
  • the perception device can determine whether the first terminal is allowed or not to obtain the location information when it is at that location based on the time information and the time information of the perception request.
  • the time information of the perception request may indicate one or more of the sending time of the perception request, the time information (time or time range) indicated in the perception request, or the sending time of the perception signal.
  • the positioning authority subscribed by the first terminal includes time information, and the time corresponding to the time information of the perception request is included in the time range indicated by the time information included in the positioning authority subscribed by the first terminal, and the first contract information corresponding to the time information indicates that the location information of the terminal device is allowed to be obtained, then the first terminal can serve as the sender of the perception signal of the first perception service.
  • Table B shows an example of the positioning authority signed by the above terminal device.
  • the perception network element can send the identifiers of multiple terminal devices to the data management function network element, such as sending a list containing the identifiers of multiple terminals.
  • the multiple terminals can be alternative terminals for the sender of the perception signal of the first perception service, and the multiple terminals can include the first terminal.
  • the data management function network element can feedback the positioning rights signed by multiple terminals to the perception network element through a message or signaling to save signaling overhead.
  • the location authority subscribed by the terminal device may also be stored or configured in the perception network element. For example, after the terminal device signs the contract, the UDM provides the location authority subscribed by the terminal device to the SF. The SF may save the location authority subscribed by the terminal device locally. Then, after the SF receives the perception request, the SF may obtain the location authority subscribed by the terminal device from the local storage.
  • the indication information may be determined based on feedback from the positioning notification of the terminal device and/or the contracted positioning authority, for example, an identifier or field for indicating whether the location information of the terminal device is allowed or not to be obtained.
  • the feedback of the terminal device's positioning notification and its acquisition method, as well as the positioning authority contracted by the terminal device and its acquisition method can be referred to the description in this application and will not be repeated here.
  • the indication information can be used to indicate that the location information of the terminal device is allowed to be obtained.
  • the indication information can be used to indicate that the location information of the terminal device is not allowed to be obtained.
  • the sensing device may determine the indication information based on the feedback of the terminal device's positioning notification and/or the contracted positioning authority before or after receiving the sensing request. That is, this application does not limit the order between the time when the sensing device receives the sensing request and the time when the indication information is determined based on the feedback of the terminal device's positioning notification and/or the contracted positioning authority.
  • the perception network element may continue to store the indication information after the terminal de-registers from the network, thereby eliminating the need to repeatedly trigger the determination of the indication information when the terminal re-registers or when the perception network element re-acquires the perception capabilities of the terminal, thereby saving processing resources of the perception network element.
  • the perception network element may determine whether the indication information of the terminal device is locally stored or not when the terminal registers or when the perception capabilities of the terminal are acquired, and trigger the determination of the indication information if the indication information of the terminal device is not locally stored.
  • the sensing network element can obtain the terminal device's feedback on the positioning notification and/or the positioning authority subscribed by the terminal device after receiving the terminal device's registration request or receiving the terminal device's sensing capability, and determine the indication information based on the terminal device's feedback on the positioning notification and/or the positioning authority subscribed by the terminal device. After receiving the sensing request, the sensing network element can determine whether the terminal device can serve as the sender of the sensing signal based on the indication information.
  • the terminal device may determine the perception role indication based on the user's feedback on the perception role request of the terminal device.
  • the perception role request may be used to request the user to reply to agree or disagree to be the sender of the perception signal.
  • the perception role indication may indicate that the first terminal is allowed to be the sender of the perception signal. If the user's operation feedback indicates disagreement to be the sender of the perception signal, or the user does not reply to agree to be the sender of the perception signal within the second time period, the perception role indication may indicate that the first terminal is allowed to be the sender of the perception signal.
  • the first time period and the second time period may be the same or different, and there is no specific restriction.
  • the sensing capability information of the terminal device may include a sensing signal transmission capability and/or a sensing signal reception capability.
  • the sensing signal transmission capability may include a capability related to the transmission of a sensing signal
  • the sensing signal reception capability may include a capability related to the reception and/or measurement of a sensing signal.
  • the terminal device may determine whether it supports being a transmitter of a perception signal based on the perception capability information, and determine one or more of a perception signal transmission capability and a perception signal reception capability based on whether it supports being a transmitter of a perception signal.
  • the perception capability information may include capability information indicating whether the terminal device supports being a transmitter of a perception signal.
  • it may be determined whether the terminal device supports being a transmitter of a perception signal. For example, if the perception capability information of the terminal device includes perception signal transmission capability information, the terminal device supports being a transmitter of a perception signal.
  • the capability information reported by the terminal device to the perception network element may only include the perception signal receiving capability. If the perception role of the terminal device indicates that the terminal device agrees to act as a sender of the perception signal, the capability information reported by the terminal device to the perception network element may include the perception signal sending capability and the perception signal receiving capability. In this case, the capability information reported by the terminal device to the perception network element can be understood as an indication of the perception role of the terminal device, that is, the perception network element can determine whether the terminal supports or does not support acting as a sender of the perception signal based on the capability information reported by the terminal device to the perception network element.
  • the terminal device can report the perception capability and the perception role indication to indicate that the terminal device supports but is not allowed to be a transmitter of the perception signal. That is to say, at this time, the perception role indication can be used to indicate that the terminal device only acts as a transmitter of the perception signal, and/or, to indicate that the terminal device does not act as a transmitter of the perception signal. If the perception role of the terminal device indicates that the terminal device is allowed to be a transmitter of the perception signal, then the terminal device can report the perception capability, and at this time the network can default to the terminal device supporting and allowing it to be a transmitter of the perception signal.
  • the terminal device may trigger the sending of a perception role request based on a perception request. For example, when the terminal device determines itself as the sender of the perception signal based on the perception request, the terminal device may send the above-mentioned perception role request. In another embodiment, the terminal device may trigger the sending of a perception request according to certain configuration rules. For example, the terminal device may trigger the sending of a perception role request according to a certain period and/or when certain conditions are met. As an example, the condition for the terminal device to trigger the perception role request is, for example, that the terminal device is about to send a registration request (such as a registration request for the first registration).
  • the perception device can obtain one or more of the above positioning permissions, and/or obtain the perception role indication of the terminal device, and realize reasonable determination of the sending end based on the positioning permission and/or perception role indication.
  • the perception request is used to request a first perception service.
  • the SF may determine, based on the perception request, that the mode of the first perception service is that the terminal device is the transmitter of the perception signal.
  • the SF may determine, based on the perception request, the transmitter of the perception signal, which is the terminal device.
  • the SF may not determine the transmitter of the perception signal after determining the mode of the first perception service, but may directly select a specific node from the nodes allowed to be the transmitters of the perception signal to send the perception signal of the first perception service, wherein the nodes allowed to be the transmitters of the perception signal include access network devices and/or terminal devices, and the specific node is the terminal device.
  • the perception request may include mode information of the perception service requirement, or the perception service requirement in the perception request may be used to determine the perception mode.
  • the SF may be triggered to execute S202 and/or S203. For example, if the SF determines that the perception mode is for the terminal device to be the sender of the perception signal based on the perception request, the SF triggers the execution of S202 and/or S203. For another example, the SF may determine the sender of the perception signal based on the perception request, and if the sender of the perception signal is the terminal device, the SF triggers the execution of S202 and/or S203. In addition, the SF may also query the terminal device's contracted positioning authority and/or positioning notification feedback based on local storage.
  • S202 SF obtains the location authority subscribed by the terminal device from UDM.
  • the SF may send the identifier of the terminal device to the UDM, and receive the contracted positioning authority of the terminal device from the UDM.
  • the identifier of the terminal device may be carried in the request for obtaining the contracted positioning authority.
  • the SF may send a terminal identifier list to the UDM, which includes the identifiers of one or more terminal devices, such as the SUPI of one or more terminal devices.
  • the UDM obtains the contract information of the terminal device according to the identifier of the terminal device, including the contracted positioning authority of the terminal.
  • the UDM may also send the contracted positioning authority of the terminal device to the SF.
  • the contracted positioning authority of the terminal device may be carried in the acquisition reply of the contracted positioning authority.
  • the terminal device can be one or more alternative terminal devices determined by SF based on the perception request.
  • the SF can send a positioning notification to the terminal device and obtain feedback on the positioning notification.
  • the SF may send a message carrying a location notification of the terminal device to the AMF.
  • the message may also carry the terminal device's identifier.
  • the AMF may send the location notification to the terminal device based on the terminal device's identifier.
  • the terminal device may trigger a feedback request for the location notification, requesting the user to respond with consent or disapproval for obtaining location information.
  • the operating system may detect the user's operational feedback and provide the user's operational feedback to the terminal device.
  • the terminal device may determine a second response message for the location notification based on the user's operational feedback and send the second response message to the AMF.
  • the second response message may indicate whether the terminal device agrees or disagrees with obtaining location information.
  • the AMF may receive the second response message for the location notification sent by the terminal device and, based on the second response message, send a first response message for the location notification to the SF.
  • the SF may determine feedback for the location notification based on the first response message.
  • the first response message may indicate whether the first terminal or the user of the first terminal has responded with consent for obtaining location information, whether the first terminal or the user of the first terminal has responded with disapproval, whether the user has not responded with any operational feedback, or whether the first terminal has not responded to the location notification.
  • the second response message may indicate whether the user has responded with consent for obtaining location information, whether the user has responded with disapproval, or whether the user has not responded with any operational feedback.
  • the SF can send a positioning notification and the identifiers of multiple terminal devices to the AMF through a single signaling or message, and the AMF can send positioning notifications to multiple terminal devices based on the identifiers of multiple terminal devices.
  • the AMF can also send feedback on positioning notifications of multiple terminal devices to the SF through the same signaling or message. In this case, the AMF can send the feedback on positioning notifications of multiple terminal devices and the corresponding relationship between the SUPIs of multiple devices to the SF.
  • S203 may be performed based on S202.
  • the SF obtains the location permission subscribed by the terminal device based on S202, where, if the location permission subscribed by the terminal device includes information indicating that the terminal device needs to provide feedback of consent when obtaining the location information of the terminal device, and information indicating that feedback of a location notification is required when obtaining the location information of the terminal device, the SF triggers S203 to obtain feedback of the location notification of the terminal device.
  • the SF determines the sender of the perception signal of the first perception service according to the positioning authority subscribed by the terminal device and/or the feedback of the positioning notification.
  • the terminal device can trigger a perception role request through the terminal device's operating system when determining that it needs to report perception capabilities.
  • the terminal device's operating system can detect user operational feedback and determine a response message to the perception role request based on the operational feedback.
  • the terminal device's operating system can also indicate the user's operational feedback (or response message) to the terminal device, indicating whether the user agrees or disagrees with the terminal device serving as the sender of the perception signal.
  • the terminal device can determine the perception role indication based on the operational feedback from the perception role request.
  • the terminal device can send the perception role indication to the AMF.
  • this application does not exclude that after the SF determines one or more terminal devices as the candidate senders of the perception signal according to the perception request, it sends a request for a perception role indication to the terminal device, so that the terminal device provides the perception role indication to the SF according to the request.
  • the manner in which the terminal device obtains the perception role indication can refer to the manner in which the terminal device obtains the perception role indication in Figure 9, and will not be repeated here.
  • Figure 10 shows another example of a process when the method of Figure 5 is implemented by a perception network element.
  • the perception network element is an SF as an example.
  • the SF can also be replaced with other network elements or devices, such as a perception server, without specific limitation.
  • S301 The terminal device sends a registration request to the AMF.
  • S307 can be used as an example of S102.
  • the transmitter of the perception signal of the first perception service determined by the SF is the first terminal in S102.
  • the perception network element can trigger the acquisition of the terminal device's subscribed positioning authority and/or positioning notification feedback based on the terminal device's perception registration request, and determine the terminal device's indication information, which can be used to indicate whether the terminal device's location information is allowed or not allowed to be acquired.
  • the perception network element can obtain the terminal device's indication information based on the perception request of the first perception service, and determine the terminal device that is the sender of the perception signal of the first perception service based on the terminal device's indication information.
  • the indication information of the terminal device that is the sender of the perception signal of the first perception service indicates that the terminal device's location information is allowed to be acquired, thereby achieving reasonable determination of the sender of the perception signal.
  • the SF can save the terminal device's indication information after determining the indication information based on the terminal device's subscribed positioning authority and/or positioning notification feedback. Therefore, after receiving the perception request, it is not necessary to determine the indication information based on the terminal device's subscribed positioning authority and/or positioning notification. It only needs to read or obtain the indication information.
  • SF may also obtain the perception role indication of the terminal device from the terminal device, so that in S307, SF may also determine the sender of the perception signal of the first perception service based on the perception role indication of the terminal device. It can also be understood that in S307, SF may obtain the stored indication information of the terminal device, and the indication information may be used to indicate that the terminal device is allowed to be the sender of the perception signal, that is, S307 may not include the action of SF determining the indication information based on the positioning authority subscribed by the terminal and/or the feedback of the positioning notification. For example, in S307, the perception role indication of the sender of the perception signal of the first perception service determined by SF may be used to indicate that the terminal device is allowed to be the sender of the perception signal.
  • the process may include the following steps:
  • a first terminal receives a sensing request, wherein the sensing request may come from an initiator of a sensing service, such as another terminal device (such as a third terminal), a base station, or an application of the first terminal.
  • an initiator of a sensing service such as another terminal device (such as a third terminal), a base station, or an application of the first terminal.
  • the perception request is used to request a first perception service.
  • S401 can be used as an exemplary implementation of step S101 in the process of FIG. 5 .
  • the first terminal may be triggered to execute S402 and/or S403.
  • the first terminal determines that the terminal device is the transmitter of the perception signal according to the perception request, or the first terminal itself is the transmitter of the perception signal
  • the first terminal triggers the execution of S402 and/or S403.
  • the first terminal may trigger the execution of S202 and/or S203 according to the perception request, that is, when the perception request is obtained, the execution of S202 and/or S203 is triggered by default, without pre-determining the terminal device as the transmitter of the perception signal or the first terminal itself as the transmitter of the perception signal.
  • the first terminal itself can store the contracted positioning authority.
  • the contracted positioning authority is configured by default in the configuration information of the first terminal, or the first terminal can store the contracted positioning authority when reporting the contract information. Therefore, in S402, the first terminal can obtain the contracted positioning authority from the local computer.
  • S403 The first terminal obtains feedback of the positioning notification.
  • S403 may be performed based on S402. For example, in S402, if the location authority subscribed by the first terminal includes third-party location information indicating that the first terminal is required to provide feedback consent when obtaining the location information of the first terminal, the first terminal triggers S403 to obtain feedback on the location notification of the first terminal.
  • the first terminal may terminate the first perception service, such as by sending a service failure message.
  • the first terminal may change the perception mode, for example, to a perception mode in which the network device is used as the sender of the perception signal, such as by sending a perception request to the network device.
  • the terminal device can trigger the acquisition of its own contracted positioning authority and/or positioning notification feedback based on the perception request, and determine whether it can or cannot serve as the sender of the perception signal based on its own contracted positioning authority and/or positioning notification feedback, so as to achieve reasonable determination of the sender of the perception signal.
  • the first terminal may further obtain a perception role indication of the first terminal, so that in S404, the first terminal may further determine the transmitter of the perception signal of the first perception service based on the perception role indication of the first terminal.
  • the perception role indication of the first terminal may be used to indicate that the terminal device is allowed to serve as the transmitter of the perception signal, and the first terminal may serve as the transmitter of the perception signal of the first perception service.
  • the first terminal may trigger a perception role request through its operating system.
  • the operating system of the first terminal may detect user operation feedback and determine a response message to the perception role request based on the operation feedback.
  • the operating system of the first terminal may also send a response message to the first terminal, indicating whether the user agrees or disagrees with the first terminal serving as the sender of the perception signal.
  • the first terminal may determine the perception role indication based on the response message to the perception role request.
  • Figures 12 and 13 are schematic diagrams of the structures of possible communication devices provided in embodiments of the present application. These communication devices can be used to implement the functions of the sensing device or terminal device (such as the first terminal) in the above-mentioned method embodiments, and thus can also achieve the beneficial effects of the above-mentioned method embodiments.
  • the communication device can be a sensing device or a terminal device (such as the first terminal), and can also be a component applied to the above-mentioned module or network element, such as a functional module or chip.
  • the communication device 1200 includes a processing unit 1210 and a transceiver unit 1220.
  • the communication device 1200 is used to implement the actions of the sensing device, SF, terminal device or first terminal in any of the method embodiments shown in Figures 5 to 10 above.
  • the processing unit 1210 may also be configured to perform other actions besides the receiving and/or sending actions related to the SF, terminal device, or first terminal in Figures 6 to 10.
  • the transceiver unit 1220 may also be configured to perform the receiving and/or sending actions related to the SF, terminal device, or first terminal in Figures 6 to 10.
  • processing unit 1210 and the transceiver unit 1220 For a more detailed description of the processing unit 1210 and the transceiver unit 1220 , reference may be made to the relevant description in any of the method embodiments shown in FIG. 5 to FIG. 10 .
  • the communication device 1300 includes a processor 1310 and an interface circuit 1320.
  • the processor 1310 and the interface circuit 1320 are coupled to each other.
  • the interface circuit 1320 can be a transceiver or an input/output interface.
  • the communication device 1300 may further include a memory 1330 for storing instructions executed by the processor 1310, or storing input data required by the processor 1310 to execute instructions, or storing data generated after the processor 1310 executes instructions.
  • the processor 1310 is used to implement the functions of the processing unit 1210 described above
  • the interface circuit 1320 is used to implement the functions of the transceiver unit 1220 described above.
  • the chip implements the functions of the sensing device or the terminal device in the above-mentioned method embodiment.
  • the chip can receive information sent to the sensing device or the terminal device by other network elements or devices through other modules (such as communication interfaces) in the sensing device or the terminal device, or the chip can send information to other modules (such as communication interfaces) in the sensing device or the terminal device.
  • the information is sent by the sensing device or the terminal device to other network elements or devices.
  • processors in the embodiments of the present application may be a central processing unit (CPU), other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA), other programmable logic devices, transistor logic devices, hardware components, or any combination thereof.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the method steps in the embodiments of the present application can be implemented in hardware or in software instructions that can be executed by a processor.
  • the software instructions can be composed of corresponding software modules, and the software modules can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, registers, hard disk, mobile hard disk, CD-ROM or any other form of storage medium well known in the art.
  • An exemplary storage medium is coupled to the processor so that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and storage medium can be located in an ASIC.
  • the ASIC can be located in a sensing device or a terminal device.
  • the processor and storage medium can also be present in a sensing device or a terminal device as discrete components.
  • An embodiment of the present application also provides a communication system, comprising a perception device (such as SF or first terminal) or one or more devices in a terminal device or an apparatus in a corresponding device for implementing the above-mentioned method embodiment, so as to implement any one of the methods in Figures 5 to 10.
  • a perception device such as SF or first terminal
  • one or more devices in a terminal device or an apparatus in a corresponding device for implementing the above-mentioned method embodiment, so as to implement any one of the methods in Figures 5 to 10.
  • An embodiment of the present application further provides a computer-readable storage medium, which is used to store computer programs or instructions.
  • a computer-readable storage medium which is used to store computer programs or instructions.
  • the embodiment of the present application also provides a computer program product, which, when executed on a computer, enables the method shown in the method embodiment to be implemented.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé et un appareil de communication, utilisés pour sélectionner raisonnablement une extrémité d'envoi d'un signal de détection. Le procédé peut comprendre les étapes suivantes : un dispositif de détection reçoit une demande de détection, la demande de détection étant utilisée pour demander un premier service de détection ; et le dispositif de détection détermine un premier terminal en tant qu'extrémité d'envoi d'un signal de détection du premier service de détection sur la base d'une autorisation de positionnement du premier terminal et/ou d'une indication de rôle de détection du premier terminal, l'autorisation de positionnement du premier terminal étant utilisée pour déterminer qu'il est autorisé d'acquérir des informations de position du premier terminal, et l'indication de rôle de détection étant utilisée pour indiquer que le premier terminal est autorisé à servir d'extrémité d'envoi du signal de détection.
PCT/CN2025/075497 2024-02-08 2025-01-27 Procédé et appareil de communication Pending WO2025167841A1 (fr)

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Application Number Priority Date Filing Date Title
CN202410179409.8A CN120455929A (zh) 2024-02-08 2024-02-08 一种通信方法及装置
CN202410179409.8 2024-02-08

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