WO2023225870A1 - Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible - Google Patents

Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible Download PDF

Info

Publication number
WO2023225870A1
WO2023225870A1 PCT/CN2022/094794 CN2022094794W WO2023225870A1 WO 2023225870 A1 WO2023225870 A1 WO 2023225870A1 CN 2022094794 W CN2022094794 W CN 2022094794W WO 2023225870 A1 WO2023225870 A1 WO 2023225870A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensing
information
user equipment
saf
tracked object
Prior art date
Application number
PCT/CN2022/094794
Other languages
English (en)
Chinese (zh)
Inventor
沈洋
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/094794 priority Critical patent/WO2023225870A1/fr
Priority to CN202280001735.9A priority patent/CN117461333A/zh
Publication of WO2023225870A1 publication Critical patent/WO2023225870A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • 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
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]

Definitions

  • the present disclosure relates to wireless communication technology, and in particular, to a method of transmitting tracking information and a readable storage medium.
  • the goal of wireless sensing technology is to obtain information about remote sensing objects and their characteristics without physical contact with the remote sensing objects.
  • Sensory data of an object and its surroundings can be utilized for analysis to obtain meaningful information about the object and its characteristics.
  • sensing information can be obtained based on radio frequency and/or non-radio frequency based sensors. How to make full use of wireless sensing functions in wireless communication systems is a problem that needs to be solved.
  • the present disclosure provides a method, device and readable storage medium for transmitting tracking information.
  • a method of transmitting tracking information is provided, which is performed by the sensing application function SAF. This method includes:
  • the user equipment in the communication network is widely distributed on the ground, and its sensing capabilities are fully utilized.
  • the SAF controls the user equipment to sense the tracked object, thereby achieving real-time tracking of the tracked object and improving Overall performance of communication networks.
  • determining the first user equipment includes:
  • the first user equipment is determined according to the initial positioning information.
  • determining the first user equipment according to the initial positioning information includes:
  • the first user equipment is determined according to the initial positioning information and registered device information.
  • the registered device information includes sensing capabilities and real-time location information of multiple registered devices.
  • the multiple registered devices include the First user equipment.
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • a second user equipment is determined according to the updated real-time positioning information and the updated registered device information.
  • the second user equipment is different from the first user equipment.
  • the registered device information includes multiple registered devices. Sensing capabilities and real-time location information of registered devices, the plurality of registered devices including the second user device;
  • the real-time positioning information of the tracked object is updated according to the second sensed position information.
  • the method further includes:
  • the method further includes:
  • the real-time positioning information of the tracked object is updated according to the third sensed position information.
  • the method further includes:
  • a method of receiving sensing location information is provided, which is executed by the sensing application function SAF. This method includes:
  • the RAN equipment in the communication network is widely distributed on the ground, and its sensing capabilities are fully utilized.
  • the SAF controls the user equipment to sense the tracked object, thereby achieving real-time tracking of the tracked object and improving Overall performance of communication networks.
  • determining the second RAN device includes:
  • the second RAN device is determined according to the initial positioning information.
  • determining the second RAN device according to the initial positioning information includes:
  • the second RAN device is determined according to the initial positioning information and registered device information in the sensing request.
  • the registered device information includes sensing capabilities and real-time location information of multiple registered devices.
  • the multiple registered devices includes the second RAN device.
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • a third RAN device is determined according to the updated real-time positioning information and the updated registered device information; the third RAN device is different from the second RAN device; the registered device information includes multiple registered devices. Sensing capabilities and real-time location information of registered devices; the plurality of registered devices include the third RAN device;
  • the real-time positioning information of the tracked object is updated according to the second sensed position information.
  • the method further includes:
  • the method further includes:
  • the real-time positioning information of the tracked object is updated according to the third sensed position information.
  • the method further includes:
  • a method of sending sensed location information is provided, which is executed by the first user equipment.
  • the method includes:
  • the first sensing result includes the first sensing position information of the tracked object sensed by the first user equipment
  • the user equipment in the communication network is widely distributed on the ground, and its sensing capabilities are fully utilized.
  • the SAF controls the user equipment to sense the tracked object, thereby achieving real-time tracking of the tracked object and improving Overall performance of communication networks.
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • the PDU session establishment request message including at least one of first information and second information, the first information being used to indicate the first user equipment Information about whether the sensing capability is supported.
  • the second information is used to request to obtain the IP address of the SAF.
  • the method further includes:
  • the method further includes:
  • a method of sending sensed location information is provided, which is executed by a second radio access network RAN device.
  • the method includes:
  • the sensing result includes the first sensing position information of the tracked object sensed by the second RAN device
  • the RAN equipment in the communication network is widely distributed on the ground, making full use of its sensing capabilities.
  • the SAF controls the user equipment to sense the tracked object, thereby achieving real-time tracking of the tracked object and improving Overall performance of communication networks.
  • the method further includes:
  • the SAF Send a first sensing registration request to the SAF, where the first sensing registration request includes sensing capabilities and location information of the second RAN device.
  • the method further includes:
  • N2 protocol data unit PDU session request sent by the access and mobility management function AMF, where the N2 PDU session request includes the IP address of the SAF.
  • the method further includes:
  • a method for receiving a request is provided, which is executed by the access and mobility management function AMF device.
  • the method includes:
  • the PDU session establishment request includes at least one of first information and second information.
  • the first information is used to indicate whether the first user equipment supports sensing capabilities.
  • the second information is used to request to obtain the IP address of the sensing application function SAF.
  • AMF is used to obtain the IP address of the SAF, so that the user equipment and RAN equipment can successfully complete registration on the SAF.
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • N2 protocol data unit PDU session request to the radio access network RAN device to which the first user equipment belongs, where the N2 PDU session request includes the IP address of the SAF.
  • a method for receiving a request is provided, which is executed by the session management function SMF device.
  • the method includes:
  • PDU session establishment request includes at least one of first information and second information, where the first information is used to indicate whether the first user equipment Information supporting sensing capabilities, the second information is used to request to obtain the IP address of the sensing application function SAF.
  • SMF is used to obtain the IP address of the SAF, so that the user equipment and RAN equipment can successfully complete registration on the SAF.
  • the method further includes:
  • the PDU session establishment request includes the first information and that the first information indicates information that supports sensing capabilities
  • a communication device is provided.
  • the communication device may be used to perform the steps performed by the SAF in the above-mentioned first aspect or any possible design of the first aspect.
  • Each function in each of the above methods can be implemented through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the first aspect is implemented by a software module
  • the communication device may include a processing module, a sending module and a receiving module.
  • a processing module configured to determine the first user equipment
  • a sending module configured to send a first sensing start instruction to the first user equipment, where the first sensing start instruction includes a characteristic description of the tracked object;
  • a receiving module configured to receive a first sensing result sent by the first user equipment, where the first sensing result includes a first sensing position of the tracked object sensed by the first user equipment information;
  • the processing module is further configured to update the real-time positioning information of the tracked object according to the first sensed location information.
  • a communication device may be used to perform the steps performed by the SAF in the above-mentioned second aspect or any possible design of the second aspect.
  • Each function in each of the above methods can be implemented through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the second aspect may include a processing module, a sending module and a receiving module.
  • a processing module configured to determine a second radio access network RAN device
  • a sending module configured to send a first sensing start instruction to the second RAN device, where the first sensing start instruction includes a characteristic description of the tracked object;
  • a receiving module configured to receive a first sensing result sent by the second RAN device, where the first sensing result includes a first sensing position of the tracked object sensed by the second RAN device information;
  • the processing module is further configured to update the real-time positioning information of the tracked object according to the first sensed location information.
  • a communication device is provided.
  • the communication device may be used to perform the steps performed by the first UE in the above third aspect or any possible design of the third aspect.
  • Each function in each of the above methods can be implemented through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the third aspect may include a receiving module and a sending module.
  • a receiving module configured to receive a first sensing start instruction sent by the sensing application function SAF, where the first sensing start instruction includes a characteristic description of the tracked object;
  • the first sensing result includes the first sensing position information of the tracked object sensed by the first user equipment
  • a sending module configured to send the first sensing result to the SAF.
  • a communication device is provided.
  • the communication device may be used to perform the steps performed by the second RAN device in the above-mentioned fourth aspect or any possible design of the fourth aspect.
  • Each function in each of the above methods can be implemented through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the fourth aspect may include a receiving module and a sending module.
  • a receiving module configured to receive a first sensing start instruction sent by the sensing application function SAF, where the first sensing start instruction includes a characteristic description of the tracked object;
  • the sensing result includes the first sensing position information of the tracked object sensed by the second RAN device
  • a sending module configured to send the first sensing result to the SAF.
  • a communication device is provided.
  • the communication device may be used to perform the steps performed by the AMF device in the above-mentioned fifth aspect or any possible design of the fifth aspect.
  • Each function in each of the above methods can be implemented through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the fifth aspect may include a receiving module.
  • a receiving module configured to receive a PDU session establishment request sent by the first user equipment, the PDU session establishment request including at least one of first information and second information, the first information being used to indicate whether the first user equipment Information supporting sensing capabilities, and the second information is used to request to obtain the IP address of the sensing application function SAF.
  • a communication device is provided.
  • the communication device may be used to perform the steps performed by the SMF device in the above-mentioned sixth aspect or any possible design of the sixth aspect.
  • Each function in each of the above methods can be implemented through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the fifth aspect may include a receiving module.
  • a receiving module configured to receive a PDU session context request message sent by the access and mobility management function AMF, the PDU session establishment request including at least one of first information and second information, the first information being used to Information indicating whether the first user equipment supports sensing capabilities, the second information is used to request to obtain the IP address of the sensing application function SAF.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the first aspect or any one of the first aspects possible designs.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the second aspect or any one of the second aspects possible designs.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the third aspect or any one of the third aspects possible designs.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the fourth aspect or any one of the fourth aspects possible designs.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the fifth aspect or any one of the fifth aspects possible designs.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the sixth aspect or any one of the sixth aspect possible designs.
  • a computer-readable storage medium stores instructions (or computer programs, programs), which when called and executed on a computer, cause the computer to execute the above-mentioned first step. Any possible design of the aspect or first aspect.
  • a computer-readable storage medium is provided. Instructions (or computer programs, programs) are stored in the computer-readable storage medium. When called and executed on a computer, the computer is caused to execute the second step described above. any possible design of aspect or second aspect.
  • a computer-readable storage medium is provided. Instructions (or computer programs, programs) are stored in the computer-readable storage medium. When called and executed on a computer, the computer is caused to execute the above-mentioned first step. Any of the three or third aspects of the possible design.
  • a computer-readable storage medium In a twenty-second aspect, a computer-readable storage medium is provided. Instructions (or computer programs, programs) are stored in the computer-readable storage medium. When called and executed on a computer, the computer is caused to execute the above-mentioned first step. Any of the four or four possible designs.
  • a computer-readable storage medium is provided. Instructions (or computer programs, programs) are stored in the computer-readable storage medium. When called and executed on a computer, the computer is caused to execute the above-mentioned first step. Any of the five or fifth possible designs.
  • a computer-readable storage medium stores instructions (or computer programs, programs) that, when called and executed on a computer, cause the computer to execute the above-mentioned first step. Any of the six or fifth possible designs.
  • Figure 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure
  • Figure 2 is a schematic diagram of a registration process for a UE or RAN device to register with the SAF as a tracking terminal according to an embodiment of the present disclosure
  • Figure 3 is a schematic diagram of the registration process of another UE or RAN device registering with the SAF as a tracking terminal according to an embodiment of the present disclosure
  • Figure 4 is a flow chart of a method for transmitting sensed location information provided by an embodiment of the present disclosure
  • Figure 5 is a schematic diagram of a moving scene of a tracked object provided by an embodiment of the present disclosure
  • Figure 6 is a schematic diagram of another moving scene of a tracked object provided by an embodiment of the present disclosure.
  • Figure 7 is a schematic diagram of another moving scene of a tracked object provided by an embodiment of the present disclosure.
  • Figure 8 is a schematic diagram of another moving scene of a tracked object provided by an embodiment of the present disclosure.
  • Figure 9 is a structural diagram of a device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 10 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 11 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 12 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 13 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 14 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 15 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • Figure 16 is a structural diagram of another device for transmitting tracking information provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • FIG. 1 is a schematic diagram of a network architecture applicable to the embodiment of the present application.
  • user equipment can access a wireless network to obtain services from an external network (such as the Internet) through the wireless network, or communicate with other devices through the wireless network, such as communicating with other user equipment.
  • the wireless network includes radio access network (RAN) equipment (or network equipment) and core network (core network, CN) equipment.
  • RAN radio access network
  • CN core network
  • the RAN equipment is used to connect user equipment to the wireless network
  • the CN equipment is used to connect user equipment to the wireless network. It is used to manage user equipment and provide a gateway for communication with the external network.
  • the number of each device in the communication system shown in Figure 1 is only for illustration, and the embodiments of the present application are not limited thereto. In actual applications, the communication system may also include more user equipment and more RAN equipment. Other devices may also be included.
  • the CN can include multiple CN devices.
  • the CN device can include: access and mobility management function (AMF) entities and session management functions. (session management function, SMF) entity, user plane function (UPF) entity,
  • AMF access and mobility management function
  • SMF session management function
  • UPF user plane function
  • the wireless communication system 100 includes user equipment 101, wireless access network equipment 102 and core network equipment.
  • the core network equipment includes: Access and Mobility Management Function (AMF) equipment 103, session management function (Session Management Function, SMF) device 104, User Plane Function (UPF) device 105, Sensing Application Function (Sensing Application Function, SAF) device 106.
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • SAF Sensing Application Function
  • control plane protocol layer structure can include a radio resource control (RRC) layer, a packet data convergence protocol (PDCP) layer, Functions of protocol layers such as radio link control (RLC) layer, media access control (MAC) layer and physical layer;
  • PDCP packet data convergence protocol
  • Functions of protocol layers such as radio link control (RLC) layer, media access control (MAC) layer and physical layer;
  • the user plane protocol layer structure can include PDCP layer, RLC layer, MAC layer and Functions of protocol layers such as physical layer.
  • RAN and UPF are generally called user layer network functional entities.
  • the data traffic of user equipment can be transmitted through the packet data unit (PDU) session (Session) established between the user equipment and the application layer equipment.
  • PDU packet data unit
  • Session Session
  • the transmission will go through RAN and UPF are two network function devices; while the other parts are called control layer network functions and entities, which are mainly responsible for functions such as authentication and authentication, registration management, session management, mobility management, and policy control, so as to realize user Reliable and stable transmission of laminar traffic.
  • AF equipment, AMF equipment, UPF equipment, etc. in Figure 1 are just names, and the names do not limit the equipment itself.
  • the entities shown in Figure 1 may also have other names, which are not specifically limited in this disclosure.
  • the user equipment shown in Figure 1 may be composed of a first type of user equipment and a second type of user equipment.
  • the first type of user equipment has a sensing function
  • the second type of user equipment does not have a sensing function.
  • the RAN equipment shown in Figure 1 may be composed of a first type of RAN equipment and a second type of RAN equipment.
  • the first type of RAN equipment has a sensing function
  • the second type of RAN equipment does not have a sensing function.
  • the sensing function refers to the non-contact distance sensing function, such as ultrasonic sensing function, with a sensing range of 2 cm-400 cm.
  • User equipment and RAN equipment with sensing functions can decide on their own or based on configuration information whether to provide their own sensing functions to the SAF. When determining to provide their own sensing functions to the SAF, they need to register with the SAF as sensing devices.
  • the prerequisite for user equipment or RAN equipment to register with the SAF as a sensing device is to know the IP address of the SAF.
  • the methods of knowing the IP address of the SAF can include the following two methods:
  • the first method is to obtain the IP address of the preconfigured SAF.
  • the IP address of the SAF is preconfigured in the user equipment, and the IP address of the SAF is preconfigured in the RAN equipment.
  • the second method is to learn the IP address of the SAF from the AMF during the process of connecting to the network.
  • an embodiment of the present disclosure provides a method for registering a sensing device.
  • this method includes steps S201 to S208, where the process of steps S201 to S207 is to establish a connection between the user equipment and the network.
  • S208-1 is the process of the user equipment registering with the SAF as a sensing device
  • S208-2 is the process of the RAN device registering with the SAF as a sensing device.
  • this method specifically includes:
  • Step S201 The user equipment 101 sends a registration request to the AMF equipment 103.
  • the user equipment 101 sends a registration request to the AMF device 103 via the RAN device 102.
  • the registration request includes information such as registration type and security parameters.
  • the SUPI is encrypted into SUCI according to the HN Public Key and then the initial registration request is sent.
  • the AMF device 103 will forward the SUCI for authentication, and can obtain the decrypted SUPI after successful authentication. And the AMF device 103 will generate a 5G-GUTI based on SUPI, save the mapping relationship, and use it for the next registration or PDU session request, and send a registration response to the user equipment 101, so that the UE registration is completed.
  • the UE uses 5G-GUTI to send a registration request.
  • the AMF queries the SUPI based on the 5G-GUTI, it uses SUPI to complete the authentication; when the AMF cannot query the corresponding SUPI based on the 5G-GUTI, it sends a registration request to the UE.
  • the UE requests the SUCI, performs re-authentication based on the SUCI, and sends a registration response to the user equipment 101 after the authentication is completed, thereby completing the UE registration.
  • Step S202 The user equipment 101 sends a PDU session establishment request to the AMF device 103.
  • the user equipment 101 triggers the PDU session establishment process by transmitting a NAS message in the N1SM container, where the NAS message contains a PDU session establishment request.
  • Step S203 The AMF device 103 establishes a PDU session context request message to the SMF device 104, and the SMF device 104 returns a PDU response message.
  • the AMF device 103 determines that a new PDU session needs to be created, it executes an SMF selection process to select an SMF for the PDU session.
  • the AMF device sends an Nsmf_PDUSession_CreateSMContext Request message to SMF to request the establishment of a PDU session.
  • This message can include: SUPI, DNN, S-NSSAI, PDU Session ID, AMF ID, Request Type, N1SM container (PDU Session Establishment Request), User location information, Access Type, PEI, GPSI, Subscription For PDU Session Status Notification and other information.
  • Step S204 SMF104 sends an N4 session establishment request to UPF105.
  • SMF104 sends an N4Session Establishment Request message to UPF105 to establish a PDU session for the user equipment 101.
  • Step S205 SMF 104 sends an N1N2 interface message to AMF device 103.
  • the SMF 104 sends a Namf_Communication_N1N2MessageTransfer message to AMF device 103.
  • the Namf_Communication_N1N2MessageTransfer message includes an N2PDU session request message for sending to the RAN device 103 and a PDU session acceptance message for sending to the user equipment 101.
  • the AMF device 103 only forwards and does not parse the N2 PDU session request message and PDU session accept message.
  • the Namf_Communication_N1N2MessageTransfer message also contains the IP address that needs to be allocated to the UE for this PDU session.
  • Step S206 the AMF device 103 sends the NAS message to the RAN device 102 as an N2 PDU session request message.
  • the AMF device 103 sends an N2 PDU session request to the RAN device 102.
  • This N2 PDU session request contains the IP address to be allocated to the UE.
  • This N2 PDU session request is a NAS message.
  • step S207 the RAN device 102 forwards the PDU session accept (Session Accept) message to the user equipment 101 during the establishment of AN specific resources.
  • PDU session accept Session Accept
  • the N2 PDU session acceptance message is a NAS message.
  • steps S208-1 and 2 the user equipment 101 and the RAN equipment 102 respectively send sensing registration requests to the SAF according to the preconfigured IP address of the SAF.
  • SAF receives the sensing registration request and returns a registration success response after successful registration.
  • the sensing registration request sent by the user equipment 101 to the SAF includes the positioning information and sensing capabilities of the user equipment 101.
  • the sensing registration request sent to the SAF includes the positioning information and sensing capabilities of the RAN device 102 .
  • the sensing capability may be a sensing range (such as sensing radius, sensing area, etc.).
  • the successfully registered user equipment 101 and the RAN device 102 may be called registered devices.
  • the successfully registered user equipment 101 sends messages to the SAF regularly or irregularly. Report messages, which include corresponding real-time location information.
  • an embodiment of the present disclosure provides a method for registering a sensing device.
  • this method includes steps S301 to S308, where the process of steps S301 to S307 is to establish a connection between the user equipment and the network.
  • the user equipment and the RAN equipment learn the IP address of the SAF.
  • S308-1 is the process of the user equipment registering with the SAF as a sensing device
  • S308-2 is the process of the RAN device registering with the SAF as a sensing device.
  • this method specifically includes:
  • Step S301 The user equipment 101 sends a registration request to the AMF equipment 103.
  • step S301 The specific content of this step S301 is the same as the specific content of the above-mentioned step S201.
  • Step S302 The user equipment 101 sends a PDU session establishment request to the AMF device 103.
  • the user equipment 101 triggers the PDU session establishment process by transmitting a NAS message in the N1SM container, and the NAS message contains a PDU session establishment request.
  • the PDU session establishment request includes at least one of first information and second information, where the first information is used to indicate whether the user equipment 101 supports sensing capabilities, and the second information is used to request to obtain the IP address of the SAF.
  • Step S303 AMF device 103 sends a PDU session context establishment request message to SMF 104, and SMF device 104 returns a PDU response message.
  • the AMF device 103 determines that a new PDU session needs to be created, it executes an SMF selection process to select an SMF for the PDU session.
  • the AMF device 103 sends an Nsmf_PDUSession_CreateSMContext Request message to the SMF device 104 to request the establishment of a PDU session.
  • This message includes at least one of first information and second information.
  • the IP address of the SAF is preconfigured in SMF 104 in advance, and the SMF device 104 receives the Nsmf_PDUSession_CreateSMContext Request message and returns the Nsmf_PDUSession_CreateSMContext Response according to the following method:
  • Nsmf_PDUSession_CreateSMContext Request message includes the first information
  • an Nsmf_PDUSession_CreateSMContext Response carrying the IP address of the SAF is returned; when the first information indicates that the sensing capability is not supported. , returns the Nsmf_PDUSession_CreateSMContext Response that does not carry the IP address of the SAF.
  • the first information is included in the Nsmf_PDUSession_CreateSMContext Request message by: including the first information and not including the second information, and including the first information and the second information at the same time.
  • the Nsmf_PDUSession_CreateSMContext Request message includes the second information and does not include the first information
  • the Nsmf_PDUSession_CreateSMContext Response carrying the IP address of the SAF is returned.
  • Step S304 The SMF device 104 sends an N4 session establishment request to the UPF device 105.
  • the SMF device 104 sends an N4Session Establishment Request message to the UPF device 105 to establish a PDU session for the user equipment 101.
  • Step S305 The SMF device 104 sends an N1N2 interface message to the AMF device 103.
  • the SMF device 104 sends a Namf_Communication_N1N2MessageTransfer message to the AMF device 103.
  • the Namf_Communication_N1N2MessageTransfer message includes an N2 PDU session request message for sending to the RAN device 103.
  • This N2 PDU session request message includes the IP address of the SAF.
  • the Namf_Communication_N1N2MessageTransfer message includes a PDU session acceptance message for sending to the user equipment 101, and this PDU session acceptance message includes the IP address of the SAF.
  • the AMF device 103 only forwards and does not parse the N2 PDU session request message and PDU session accept message.
  • the Namf_Communication_N1N2MessageTransfer message also contains the IP address that needs to be allocated to the UE for this PDU session.
  • Step S306 the AMF device 103 sends an N2 PDU session request message (NAS message) to the RAN device 102.
  • NAS message N2 PDU session request message
  • the RAN device 102 can learn the IP address of the SAF.
  • Step S307 the RAN device 102 forwards the PDU session accept message (Session Accept) to the user equipment 101.
  • the user equipment 101 can learn the IP address of the SAF.
  • steps S308-1 and 2 the user equipment 101 and the RAN equipment 102 send a sensing registration request to the SAF.
  • SAF receives the sensing registration request and returns a registration success response after successful registration.
  • the sensing registration request sent by the user equipment 101 to the SAF includes the positioning information and sensing capabilities of the user equipment 101.
  • the sensing registration request sent to the SAF includes the positioning information and sensing capabilities of the RAN device 102 .
  • the sensing capability may be a sensing range (such as sensing radius, sensing area, etc.).
  • the user equipment 101 and RAN equipment 102 that have successfully registered can be called registered devices, and the user equipment 101 that has successfully registered sends messages to the SAF regularly or irregularly. Report messages, which include corresponding real-time location information.
  • SAF can learn the user equipment and RAN equipment that have been registered as sensing devices, so that it can maintain registered device information.
  • This registered device information includes sensing of multiple registered devices. capabilities and real-time location information, and the registered device is a user equipment or a RAN device.
  • the sensing device can be a user equipment or a RAN device.
  • this method specifically includes:
  • Step S401 SAF determines the first sensing device.
  • Example 1 SAF receives the sensing request sent by the sensing requester SR.
  • the sensing request includes positioning information and at least one feature description of the tracked object.
  • the feature description may be a description of the appearance features of the tracked object, such as shape, size, etc.
  • the tracked object can be an ordinary vehicle, a bus, a set transport vehicle and other means of transportation.
  • the SAF determines the first sensing device according to the positioning information of the tracked object in the sensing request.
  • Example 2 The SAF pre-stores the default positioning information of the tracked object, and determines the first sensing device at a preset timing time or a time indicated by the SR.
  • Example 3 SAF pre-stores a positioning range information.
  • This positioning range information includes the default positioning information of the tracking object.
  • the first sensing device is determined based on the positioning range information at the preset timing time or the time indicated by the SR.
  • the SAF After the SAF obtains the positioning information of the tracked object in the sensing request, it can search for multiple devices whose sensing range includes the positioning information among registered devices as the first sensing device. That is, the first sensing device is not limited to one sensing device, but may be multiple sensing devices.
  • the method for SAF to determine the first sensing device based on the positioning information of the tracked object in the sensing request includes one of the following:
  • the positioning information of the tracked object is located in the sensing range of a RAN device and not in the sensing range of any user equipment, and the RAN device is determined to be the first sensing device.
  • the SAF may feed back tracking failure information to the SR.
  • Step S402 The SAF sends a sensing instruction to the first sensing device.
  • the sensing instruction sent by the SAF to the first sensing device includes all or part of the information of the tracked object that the SAF learned from the received sensing request.
  • the sensing instruction includes the positioning information and at least one feature description of the tracked object.
  • the sensing instruction only includes at least one characteristic description of the tracked object.
  • the SAF sends a sensing instruction to the RAN device.
  • a forwarding instruction is sent to the RAN device to which the user equipment belongs.
  • the forwarding instruction includes a sensing instruction for sending to the user equipment.
  • the RAN After receiving the forwarding instruction, the RAN will use The sensing instructions sent to the user equipment are sent to the user equipment.
  • Step S403 The first sensing device performs sensing according to the sensing instruction and determines the sensed position information of the tracked object.
  • Step S404 The first sensing device sends a sensing result to the SAF, where the sensing result includes the sensing position information of the tracked object sensed by the first sensing device.
  • Step S405 SAF updates the real-time positioning information of the tracked object according to the sensing result sent by the first sensing device.
  • step S405 short-term tracking of the real-time positioning information of the tracked object can be achieved.
  • Step S405 also includes: determining that the mobile terminal moves out of the sensing range of one or more first sensing devices, and sending a sensing end instruction to the one or more first sensing devices. After receiving the sensing end instruction, the first sensing device turns off the sensing function. The sensing end command can prevent the sensing device from performing unnecessary sensing and save power.
  • Step S406 The SAF sends the updated real-time positioning information of the tracked object to the SR.
  • Step S407 When the SAF determines that the replacement condition is met based on the real-time positioning information of the tracked object, it determines at least one second sensing device based on the real-time positioning information of the tracked object.
  • Replacement conditions include at least one of the following:
  • the real-time positioning information of the tracked object is located in the edge area of the sensing range of the first sensing device; this edge area can be defined in different ways according to the needs of use.
  • the edge area is a ring within the sensing range. area, and the ring width is less than the set distance.
  • the first distance between the real-time positioning information of the tracked object and the positioning information of at least one first sensing device is greater than the second distance between the positioning information of the tracked object and the positioning information of at least one second sensing device.
  • the second sensing device may be a RAN device or user equipment.
  • the method for SAF to determine at least one second sensing device based on the real-time positioning information of the tracked object includes one of the following:
  • the real-time positioning information of the tracked object is located in the sensing range of a RAN device and not in the sensing range of any user equipment, and the RAN device is determined to be the second sensing device.
  • Step S408 The SAF sends a sensing instruction to the second sensing device.
  • Step S409 The second sensing device performs sensing according to the sensing instruction and determines the sensed position information of the tracked object.
  • Step S410 The second sensing device sends a sensing result to the SAF, where the sensing result includes the sensing position information of the tracked object sensed by the second sensing device.
  • Step S411 SAF updates the real-time positioning information of the tracked object according to the sensing results sent by the second sensing device.
  • step S411 long-term tracking of the real-time positioning information of the tracked object can be realized.
  • Step S411 also includes: determining that the mobile terminal moves out of the sensing range of at least one second sensing device, and sending a sensing end instruction to the at least one second sensing device.
  • Step S412 The SAF sends the updated positioning information of the tracked object to the SR.
  • steps S407 to S412 are used to describe the process of replacing the sensing device.
  • the first sensing device can be understood as the old sensing device, and the second sensing device can be understood as the new sensing device.
  • the SAF can execute the replacement method shown in steps S407 to S412 multiple times to achieve continuous tracking of the tracked object.
  • Embodiments of the present disclosure also provide a tracking method for the tracking party to change from the first user equipment to the second user equipment.
  • This method can be applicable to when the tracked object changes from the first user equipment to the sensing range of the same RAN device.
  • the situation where the sensing range moves to the sensing range of the second user equipment can also be applied to the situation where the tracked object moves from the sensing range of the first user equipment in a RAN device to the sensing range of the second user equipment in the second RAN device. measurement range.
  • This method specifically includes:
  • Step S501 During the registration process, SAF determines that the device information has been registered.
  • the registered device information includes the sensing capabilities and real-time location information of the first user equipment and the second user equipment.
  • the first user equipment sends a first sensing registration request to the SAF, where the first sensing registration request includes the sensing capability of the first user equipment. Furthermore, the first user equipment sends a first reporting message to the SAF multiple times, where the first reporting message includes the real-time location information of the first user equipment.
  • the second user equipment sends a second sensing registration request to the SAF, where the second sensing registration request includes the sensing capability of the second user equipment. Furthermore, the second user equipment sends second reporting messages to the SAF multiple times, where the second reporting messages include the real-time location information of the second user equipment.
  • the registered device information determined by SAF includes the sensing capabilities and real-time location information of multiple registered devices. Moreover, in this method, as the registered device moves, the SAF updates the real-time location information of the registered device in the registered device information in real time.
  • Step S502 The SAF determines the first user equipment.
  • the SAF receives a sensing request sent by the SR, where the sensing request includes initial positioning information and at least one feature description of the tracked object.
  • the SAF determines the first user equipment based on the initial positioning information of the tracked object.
  • Step S503 The SAF sends a first sensing start instruction to the first user equipment.
  • the first user equipment receives the first sensing start instruction sent by the SAF to the first user equipment.
  • This first sensing start command includes a characterization of the tracked object.
  • Step S504 The first user equipment performs sensing according to the characteristic description and obtains a first sensing result.
  • the first sensing result includes the first sensing position information of the tracked object sensed by the first user equipment.
  • Step S505 The first user equipment sends the first sensing result to the SAF.
  • the SAF receives the first sensing result sent by the first user equipment.
  • Step S506 SAF updates the real-time positioning information of the tracked object according to the first sensed position information.
  • Step S507 SAF determines that the replacement conditions are met based on the updated real-time positioning information and the updated registered device information.
  • Step S507 The SAF determines the second user equipment based on the updated real-time positioning information and the updated registered device information.
  • the second user equipment is different from the first user equipment.
  • Step S508 The SAF sends a second sensing start instruction to the second user equipment.
  • the second user equipment receives the second sensing start instruction sent by the SAF.
  • the second sensing start instruction includes a characterization of the tracked object.
  • Step S509 The second user equipment performs sensing according to the characteristic description and obtains a second sensing result.
  • the second sensing result includes second sensing location information of the tracked object sensed by the second user equipment.
  • Step S510 The second user equipment sends the second sensing result to the SAF.
  • the SAF receives the second sensing result sent by the second user equipment.
  • Step S511 SAF updates the real-time positioning information of the tracked object according to the second sensed position information.
  • steps S507 to S511 are used to describe the process of changing the tracker.
  • the first user equipment can be understood as the old sensing device, and the second user equipment can be understood as the new sensing device.
  • the SAF The replacement method shown in steps S507 to S511 can be executed multiple times to achieve continuous tracking of the tracked object.
  • the number of first user devices can be multiple, and the SAF can determine the real-time positioning information of the tracked object based on the sensed position information of the tracked object sensed by multiple first user devices. Compared with Since the real-time positioning information of the tracked object is determined based on the sensed position information of the tracked object sensed by a first user equipment, the positioning accuracy is higher. Similarly, the number of second user equipments may also be multiple.
  • Embodiments of the present disclosure also provide a tracking method for the tracking party to change from the first user equipment to the first RAN equipment.
  • This method can be applicable to the movement of the tracked object from the sensing range of the first user equipment in a RAN equipment.
  • the sensing range of the first RAN device in particular, there is no user equipment under the first RAN device that can cover the tracked object.
  • This method specifically includes:
  • Step S601 During the registration process, SAF determines that the device information has been registered.
  • the registered device information includes the sensing capabilities and real-time location information of the first user equipment and the first RAN device.
  • the first user equipment sends a first sensing registration request to the SAF, where the first sensing registration request includes the sensing capability and location information of the first user equipment. Furthermore, the first user equipment sends a first reporting message to the SAF multiple times, where the first reporting message includes the real-time location information of the first user equipment.
  • the first RAN device sends a third sensing registration request to the SAF, where the third sensing registration request includes the sensing capability and location information of the first RAN device.
  • the registered device information determined by SAF includes the sensing capabilities and real-time location information of multiple registered devices. Moreover, in this method, as the registered device moves, SAF updates the real-time location information of the registered device in the registered device information in real time.
  • Step S602 The SAF determines the first user equipment.
  • the SAF receives a sensing request sent by the SR, where the sensing request includes initial positioning information and at least one feature description of the tracked object.
  • the SAF determines the first user equipment based on the initial positioning information of the tracked object.
  • Step S603 The SAF sends a first sensing start instruction to the first user equipment.
  • the first user equipment receives the first sensing start instruction sent by the SAF to the first user equipment.
  • This first sensing start command includes a characterization of the tracked object.
  • Step S604 The first user equipment performs sensing according to the characteristic description and obtains a first sensing result.
  • the first sensing result includes the first sensing position information of the tracked object sensed by the first user equipment.
  • Step S605 The first user equipment sends the first sensing result to the SAF.
  • the SAF receives the first sensing result sent by the first user equipment.
  • Step S606 SAF updates the real-time positioning information of the tracked object according to the first sensed position information.
  • Step S607 SAF determines that the replacement conditions are met based on the updated real-time positioning information and the updated registered device information.
  • Step S608 The SAF determines the first RAN device based on the updated real-time positioning information and the updated registered device information.
  • Step S609 The SAF sends a third sensing start instruction to the first RAN device.
  • the first RAN device receives the third sensing start instruction sent by the SAF.
  • the third sensing start instruction includes a characteristic description of the tracked object.
  • Step S610 The first RAN device performs sensing according to the characteristic description and obtains a third sensing result.
  • the third sensing result includes third sensing location information of the tracked object sensed by the first RAN device.
  • Step S611 The first RAN device sends the third sensing result to the SAF.
  • the SAF receives the third sensing result sent by the first RAN device.
  • Step S612 SAF updates the real-time positioning information of the tracked object according to the third sensed location information.
  • steps S607 to S612 are used to describe the process of changing the tracker.
  • the first user equipment can be understood as the old sensing device, and the first RAN device can be understood as the new sensing device.
  • the SAF The replacement method shown in steps S507 to S511 in the previous embodiment can be performed multiple times to achieve continuous tracking of the tracked object.
  • the number of first user devices can be multiple, and the SAF can determine the real-time positioning information of the tracked object based on the sensed position information of the tracked object sensed by multiple first user devices. Compared with Since the real-time positioning information of the tracked object is determined based on the sensed position information of the tracked object sensed by a first user equipment, the positioning accuracy is higher.
  • Embodiments of the present disclosure also provide a tracking method for a tracking party to change from a second RAN device to a third RAN device. This method can be applied to the sensing of a tracked object from one RAN device at the intersection of two RAN devices. A situation where the range moves to the sensing range of another RAN device.
  • Step S701 During the registration process, SAF determines that the device information has been registered.
  • the registered device information includes the sensing capabilities and real-time location information of the second RAN device and the third RAN device.
  • the second RAN device sends a first sensing registration request to the SAF, where the first sensing registration request includes the sensing capability of the second RAN device.
  • the third RAN device sends a second sensing registration request to the SAF, where the second sensing registration request includes the sensing capability and location information of the third RAN device.
  • the registered device information determined by SAF includes the sensing capabilities and real-time location information of multiple registered devices. Moreover, in this method, as the registered device moves, the SAF updates the real-time location information of the registered device in the registered device information in real time.
  • Step S702 The SAF determines the second RAN device.
  • the SAF receives a sensing request sent by the SR, where the sensing request includes initial positioning information and at least one feature description of the tracked object.
  • the SAF determines the second RAN device based on the initial positioning information of the tracked object.
  • Step S703 The SAF sends a first sensing start instruction to the second RAN device.
  • the second RAN device receives the first sensing start instruction sent by the SAF to the second RAN device.
  • This first sensing start command includes a characterization of the tracked object.
  • Step S704 The second RAN device performs sensing according to the characteristic description and obtains a first sensing result.
  • the first sensing result includes the first sensing position information of the tracked object sensed by the second RAN device.
  • Step S705 The second RAN device sends the first sensing result to the SAF.
  • the SAF receives the first sensing result sent by the second RAN device.
  • Step S706 SAF updates the real-time positioning information of the tracked object according to the first sensed position information.
  • Step S707 SAF determines that the replacement conditions are met based on the updated real-time positioning information and the updated registered device information.
  • Step S707 The SAF determines a third RAN device based on the updated real-time positioning information and the updated registered device information.
  • the third RAN device is different from the second RAN device.
  • Step S708 The SAF sends a second sensing start instruction to the third RAN device.
  • the third RAN device receives the second sensing start instruction sent by the SAF.
  • the second sensing start instruction includes a characterization of the tracked object.
  • Step S709 The third RAN device performs sensing according to the characteristic description and obtains a second sensing result.
  • the second sensing result includes second sensing location information of the tracked object sensed by the third RAN device.
  • Step S710 The third RAN device sends the second sensing result to the SAF.
  • the SAF receives the second sensing result sent by the third RAN device.
  • Step S711 SAF updates the real-time positioning information of the tracked object according to the second sensed position information.
  • steps S707 to S711 are used to describe the process of changing the tracker.
  • the second RAN device can be understood as the old sensing device, and the third RAN device can be understood as the new sensing device.
  • the SAF The replacement method shown in steps S507 to S511 in the aforementioned embodiment can be executed multiple times, thereby achieving continuous tracking of the tracked object.
  • Embodiments of the present disclosure also provide a tracking method for a tracking party to change from a second RAN device to a third user device.
  • This method can be applied to the sensing of a tracked object from one RAN device at the intersection of two RAN devices. The case where the range moves to the sensing range of the user equipment within another RAN device.
  • the parameters are based on the replacement scenario shown in Figure 8. This method specifically includes:
  • Step S801 During the registration process, the SAF determines that the device information has been registered.
  • the registered device information includes the sensing capabilities and real-time location information of the second RAN device and the third user device.
  • the second RAN device sends a first sensing registration request to the SAF, where the first sensing registration request includes the sensing capability of the second RAN device.
  • the third user equipment sends a second sensing registration request to the SAF, where the second sensing registration request includes the sensing capability of the third user equipment. Furthermore, the third user equipment sends reporting messages to the SAF multiple times, where the reporting messages include the real-time location information of the third user equipment.
  • the registered device information determined by SAF includes the sensing capabilities and real-time location information of multiple registered devices. Moreover, in this method, as the registered device moves, the SAF updates the real-time location information of the registered device in the registered device information in real time.
  • Step S802 The SAF determines the second RAN device.
  • the SAF receives a sensing request sent by the SR, where the sensing request includes initial positioning information and at least one feature description of the tracked object.
  • the SAF determines the second RAN device based on the initial positioning information of the tracked object.
  • Step S803 The SAF sends a first sensing start instruction to the second RAN device.
  • the second RAN device receives the first sensing start instruction sent by the SAF to the second RAN device.
  • This first sensing start command includes a characterization of the tracked object.
  • Step S804 The second RAN device performs sensing according to the characteristic description and obtains a first sensing result.
  • the first sensing result includes the first sensing position information of the tracked object sensed by the second RAN device.
  • Step S805 The second RAN device sends the first sensing result to the SAF.
  • the SAF receives the first sensing result sent by the second RAN device.
  • Step S806 SAF updates the real-time positioning information of the tracked object according to the first sensed position information.
  • Step S807 The SAF determines that the replacement conditions are met based on the updated real-time positioning information and the updated registered device information.
  • Step S807 The SAF determines the third user equipment according to the updated real-time positioning information and the updated registered device information.
  • Step S808 The SAF sends a second sensing start instruction to the third user equipment.
  • the third user equipment receives the second sensing start instruction sent by the SAF.
  • the second sensing start instruction includes a characterization of the tracked object.
  • Step S809 The third user equipment performs sensing according to the characteristic description and obtains a second sensing result.
  • the second sensing result includes second sensing location information of the tracked object sensed by the third user equipment.
  • Step S810 The third user equipment sends the second sensing result to the SAF.
  • the SAF receives the second sensing result sent by the third user equipment.
  • Step S811 SAF updates the real-time positioning information of the tracked object according to the second sensed position information.
  • steps S807 to S811 are used to describe the process of changing the tracker.
  • the second RAN device can be understood as the old sensing device, and the third user equipment can be understood as the new sensing device.
  • the SAF The replacement method shown in steps S507 to S511 in the aforementioned embodiment can be executed multiple times, thereby achieving continuous tracking of the tracked object.
  • an embodiment of the present disclosure also provides a communication device, which can have the function of the SAF in the above method embodiment, and is used to perform the steps performed by the SAF provided in the above embodiment.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device shown in Figure 9 can serve as the SAF involved in the above method embodiment, and perform the steps performed by the SAF in the above method embodiment.
  • the communication device includes a processing module 901, a sending module 902 and a receiving module 903.
  • the processing module 901 is configured to determine the first user equipment.
  • the sending module 902 is configured to send a first sensing start instruction to the first user equipment, where the first sensing start instruction includes a characteristic description of the tracked object;
  • the receiving module 903 is configured to receive a first sensing result sent by the first user equipment, where the first sensing result includes a first sensing position of the tracked object sensed by the first user equipment. information.
  • the processing module 901 is further configured to update the real-time positioning information of the tracked object according to the first sensed location information.
  • the receiving module 903 is also configured to receive a sensing request sent by the sensing requester SR, where the sensing request includes the initial positioning information and feature description of the tracked object; the processing module 901 is also configured To determine the first user equipment according to the initial positioning information.
  • the processing module 901 is further configured to determine the first user device according to the initial positioning information and registered device information, where the registered device information includes sensing capabilities of multiple registered devices. and real-time location information, the plurality of registered devices including the first user device.
  • the receiving module 903 is further configured to receive a first sensing registration request sent by the first user equipment, where the first sensing registration request includes the sensing capability of the first user equipment. ; Receive a first reporting message sent by the first user equipment, where the first reporting message includes real-time location information of the first user equipment.
  • the processing module 901 is further configured to determine that the tracked object exceeds the sensing capability of the first user equipment; the sending module 902 is also configured to send the sensing capability to the first user equipment. End command.
  • the processing module 901 is further configured to determine that the replacement condition is met based on the updated real-time positioning information and the updated registered device information; and based on the updated real-time positioning information and the updated registered device information,
  • the updated registered device information determines a second user equipment, the second user equipment is different from the first user equipment, and the registered device information includes sensing capabilities and real-time location information of multiple registered devices, so The plurality of registered devices include the second user device;
  • the sending module 902 is further configured to send a second sensing start instruction to the second user equipment, where the second sensing start instruction includes a characteristic description of the tracked object;
  • the receiving module 903 is further configured to receive a second sensing result sent by the second user equipment, where the second sensing result includes the second sensing position information of the tracked object sensed by the second user equipment;
  • the processing module 901 is further configured to update the real-time positioning information of the tracked object according to the second sensed location information.
  • the receiving module 903 is further configured to receive a second sensing registration request sent by the second user equipment, where the second sensing registration request includes the sensing capability of the second user equipment. ; and receiving a second reporting message sent by the second user equipment, where the second reporting message includes the real-time location information of the second user equipment.
  • the processing module 901 is further configured to determine that the replacement condition is met based on the updated real-time positioning information and the updated registered device information; and based on the updated real-time positioning information information and the updated registered device information to determine the first radio access network RAN device;
  • the sending module 902 is further configured to send a third sensing start instruction to the first RAN device, where the third sensing start instruction includes a characteristic description of the tracked object;
  • the receiving module 903 receives a third sensing result sent by the first RAN device, where the third sensing result includes third sensing location information of the tracked object sensed by the first RAN device;
  • the processing module 901 is further configured to update the real-time positioning information of the tracked object according to the third sensed location information.
  • the receiving module 903 is further configured to receive a third sensing registration request sent by the first RAN device, where the third sensing registration request includes the sensing capability of the first RAN device. and location information.
  • the communication device shown in FIG. 9 can serve as the SAF involved in the above-mentioned method embodiment, and perform the steps performed by the SAF in the above-mentioned one method embodiment.
  • the processing module 901 is configured to determine a second radio access network RAN device
  • the sending module 9021 is configured to send a first sensing start instruction to the second RAN device, where the first sensing start instruction includes a characteristic description of the tracked object;
  • the receiving module 903 is configured to receive a first sensing result sent by the second RAN device, where the first sensing result includes a first sensing position of the tracked object sensed by the second RAN device. information;
  • the processing module 901 is further configured to update the real-time positioning information of the tracked object according to the first sensed location information.
  • the receiving module 903 is also configured to receive a sensing request sent by the sensing requester SR, where the sensing request includes the initial positioning information and feature description of the tracked object; the processing module 901 is also configured To determine the second RAN device according to the initial positioning information.
  • the processing module 901 is further configured to determine the second RAN device according to the initial positioning information and registered device information in the sensing request, and the registered device information includes multiple registered devices. Sensing capabilities and real-time location information of the device, the plurality of registered devices include the second RAN device.
  • the receiving module 903 is further configured to receive a first sensing registration request sent by the second RAN device, where the first sensing registration request includes the sensing capability of the second RAN device. and location information.
  • the processing module 901 is further configured to determine that the tracked object exceeds the sensing capability of the second RAN device, and the sending module 902 is further configured to send the sensing capability to the second RAN device. End command.
  • the processing module 901 is further configured to determine that the replacement condition is met based on the updated real-time positioning information and the updated registered device information; and based on the updated real-time positioning information and the updated registered device information,
  • the updated registered device information determines a third RAN device; the third RAN device is different from the second RAN device; the registered device information includes sensing capabilities and real-time location information of multiple registered devices ;The plurality of registered devices include the third RAN device;
  • the sending module 902 is also configured to send a second sensing start instruction to the third RAN device, where the second sensing start instruction includes a feature description of the tracked object;
  • the receiving module 903 is further configured to receive a second sensing result sent by the third RAN device, where the second sensing result includes second sensing location information of the tracked object sensed by the third RAN device. ;
  • the processing module 901 is further configured to update the real-time positioning information of the tracked object according to the second sensed location information.
  • the receiving module 903 is further configured to receive a second sensing registration request sent by the third RAN device, where the second sensing registration request includes the sensing capability of the third RAN device. and location information.
  • the processing module 901 is further configured to determine that the replacement condition is met based on the updated real-time positioning information and the updated registered device information; and based on the updated real-time positioning information information and the updated registered device information to determine the third user device;
  • the sending module 902 is further configured to send a third sensing start instruction to the third user equipment, where the third sensing start instruction includes a characteristic description of the tracked object;
  • the receiving module 903 is further configured to receive a third sensing result sent by the third user equipment, where the third sensing result includes third sensing location information of the tracked object sensed by the third user equipment. ;
  • the processing module 901 is further configured to update the real-time positioning information of the tracked object according to the third sensed location information.
  • the receiving module 903 is further configured to receive a third sensing registration request sent by the third user equipment, where the third sensing registration request includes the sensing capability of the third user equipment. ; Receive a reporting message sent by the third user equipment, where the reporting message includes real-time location information of the third user equipment.
  • device 1000 When the communication device is a SAF, its structure can also be shown in Figure 10.
  • device 1000 includes a memory 1001, a processor 1002, a transceiver component 1003, and a power supply component 1006.
  • the memory 1001 is coupled to the processor 1002 and can be used to store programs and data necessary for the communication device 1000 to implement various functions.
  • the processor 1002 is configured to support the communication device 1000 to perform corresponding functions in the above method. This function can be implemented by calling a program stored in the memory 1001 .
  • the transceiver component 1003 can be a wired transceiver or a wireless transceiver.
  • the wireless transceiver can be used to support the communication device 1000 to receive signaling and/or data through the wireless air interface, and to send signaling and/or data.
  • the transceiver component 1003 may also be called a transceiver unit or a communication unit.
  • the transceiver component 1003 may include a radio frequency component 1004 and one or more antennas 1005.
  • the radio frequency component 1004 may be a remote radio unit (RRU). Specifically, It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals.
  • the one or more antennas 1005 can be specifically used for radiating and receiving radio frequency signals.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the UE in the above method embodiments, and is used to perform the steps performed by the UE provided in the above embodiments.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device shown in Figure 11 can serve as the UE involved in the above method embodiment, and perform the steps performed by the UE in one of the above method embodiments.
  • the communication device includes a receiving module 1101 and a sending module 1102.
  • the receiving module 1101 is configured to receive a first sensing start instruction sent by the sensing application function SAF, where the first sensing start instruction includes a characteristic description of the tracked object; and perform sensing according to the characteristic description to obtain the first Sensing results, the first sensing results include first sensing position information of the tracked object sensed by the first user equipment;
  • the sending module 1102 is configured to send the first sensing result to the SAF.
  • the sending module 1102 is further configured to send a first sensing registration request to the SAF, where the first sensing registration request includes the sensing capability of the first user equipment.
  • the receiving module 1101 is further configured to receive a protocol data unit PDU session establishment accept message sent by the RAN device to which the first user equipment belongs, where the PDU session establishment accept message includes the IP of the SAF. address.
  • the sending module 1102 is further configured to send a PDU session establishment request message to the access and mobility management function AFM, where the PDU session establishment request message includes at least one of first information and second information.
  • the first information is used to indicate whether the first user equipment supports sensing capabilities
  • the second information is used to request to obtain the IP address of the SAF.
  • the sending module 1102 is further configured to send a reporting message to the SAF, where the reporting message includes the real-time location information of the first user equipment.
  • the receiving module 1101 is further configured to receive a sensing end instruction sent by the SAF; and to end sensing.
  • the communication device When the communication device is user equipment 102, its structure may also be as shown in Figure 12.
  • the device 1200 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like.
  • the device 1200 may include one or more of the following components: a processing component 1202, a memory 1204, a power component 1206, a multimedia component 1208, an audio component 1210, an input/output (I/O) interface 1212, a sensor component 1214, and communications component 1216.
  • a processing component 1202 a memory 1204, a power component 1206, a multimedia component 1208, an audio component 1210, an input/output (I/O) interface 1212, a sensor component 1214, and communications component 1216.
  • Processing component 1202 generally controls the overall operations of device 1200, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1202 may include one or more processors 1220 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 1202 may include one or more modules that facilitate interaction between processing component 1202 and other components. For example, processing component 1202 may include a multimedia module to facilitate interaction between multimedia component 1208 and processing component 1202.
  • Memory 1204 is configured to store various types of data to support operations at device 1200 . Examples of such data include instructions for any application or method operating on device 1200, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1204 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power component 1206 provides power to various components of device 1200.
  • Power components 1206 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 1200 .
  • Multimedia component 1208 includes a screen that provides an output interface between the device 1200 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide action.
  • multimedia component 1208 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1210 is configured to output and/or input audio signals.
  • audio component 1210 includes a microphone (MIC) configured to receive external audio signals when device 1200 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signals may be further stored in memory 1204 or sent via communications component 1216 .
  • audio component 1210 also includes a speaker for outputting audio signals.
  • the I/O interface 1212 provides an interface between the processing component 1202 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 1214 includes one or more sensors that provide various aspects of status assessment for device 1200 .
  • the sensor component 1214 can detect the open/closed state of the device 1200, the relative positioning of components, such as the display and keypad of the device 1200, and the sensor component 1214 can also detect a change in position of the device 1200 or a component of the device 1200. , the presence or absence of user contact with device 1200 , device 1200 orientation or acceleration/deceleration and temperature changes of device 1200 .
  • Sensor assembly 1214 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1214 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1216 is configured to facilitate wired or wireless communication between device 1200 and other devices.
  • Device 1200 may access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof.
  • the communication component 1216 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communications component 1216 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 1200 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable Gate array
  • controller microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 1204 including instructions, which are executable by the processor 1220 of the device 1200 to complete the above method is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the RAN device in the above method embodiments, and is used to perform the tasks performed by the RAN device provided in the above embodiments. step.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device shown in Figure 13 can serve as the RAN device involved in the above method embodiment, and perform the steps performed by the RAN device in the above method embodiment.
  • the communication device includes a receiving module 1301 and a sending module 1302.
  • the receiving module 1301 is configured to receive a first sensing start instruction sent by the sensing application function SAF, where the first sensing start instruction includes a feature description of the tracked object;
  • the sensing result includes the first sensing position information of the tracked object sensed by the second RAN device
  • the sending module 1302 is configured to send the first sensing result to the SAF.
  • the sending module 1302 is further configured to send a first sensing registration request to the SAF, where the first sensing registration request includes the sensing capability of the second RAN device.
  • the receiving module 1301 is also configured to receive an N2 protocol data unit PDU session request sent by the access and mobility management function AMF, where the N2 PDU session request includes the IP address of the SAF.
  • the receiving module 1301 is further configured to receive a sensing end instruction sent by the SAF; and end sensing.
  • the device 1400 When the communication device is a RAN device, its structure may also be as shown in Figure 14.
  • the device 1400 includes a memory 1401, a processor 1402, a transceiver component 1403, and a power supply component 1406.
  • the memory 1401 is coupled to the processor 1402 and can be used to store programs and data necessary for the communication device 1400 to implement various functions.
  • the processor 1402 is configured to support the communication device 1400 to perform corresponding functions in the above method. This function can be implemented by calling a program stored in the memory 1401 .
  • the transceiver component 1403 may be a wireless transceiver, which may be used to support the communication device 1400 to receive signaling and/or data through a wireless air interface, and to send signaling and/or data.
  • the transceiver component 1403 may also be called a transceiver unit or a communication unit.
  • the transceiver component 1403 may include a radio frequency component 1404 and one or more antennas 1405.
  • the radio frequency component 1404 may be a remote radio unit (RRU). Specifically, It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals.
  • the one or more antennas 1405 can be specifically used for radiating and receiving radio frequency signals.
  • the processor 1402 can perform baseband processing on the data to be sent, and then output the baseband signal to the radio frequency unit.
  • the radio frequency unit performs radio frequency processing on the baseband signal and then sends the radio frequency signal in the form of electromagnetic waves through the antenna.
  • the radio frequency unit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 1402.
  • the processor 1402 converts the baseband signal into data and processes the data. for processing.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the AMF device in the above method embodiments, and is used to perform the tasks performed by the AMF device provided in the above embodiments. step.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device shown in Figure 15 can serve as the AMF device involved in the above method embodiment, and perform the steps performed by the AMF device in the above method embodiment.
  • the communication device includes a receiving module 1501.
  • the receiving module 1501 is configured to receive a PDU session establishment request sent by the first user equipment.
  • the PDU session establishment request includes at least one of first information and second information.
  • the first information is used to indicate whether the first user equipment Information supporting sensing capabilities, and the second information is used to request to obtain the IP address of the sensing application function SAF.
  • the receiving module 1501 is further configured to send an establishment protocol data unit PDU session context request message to the session management function SMF device, where the establishment PDU session context request message includes the PDU session establishment request included in the PDU session establishment request. at least one of first information and said second information.
  • the receiving module 1501 is further configured to receive an N1N2 interface message sent by the session management function SMF, where the N1N2 interface message includes the IP address of the SAF.
  • the receiving module 1501 is also configured to send an N2 protocol data unit PDU session request to the radio access network RAN device to which the first user equipment belongs, where the N2 PDU session request includes the SAF IP address.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the SMF device in the above method embodiments, and is used to perform the tasks performed by the SMF device provided in the above embodiments. step.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device shown in Figure 16 can serve as the SMF device involved in the above method embodiment, and perform the steps performed by the SMF device in the above method embodiment.
  • the communication device includes a receiving module 1601 and a processing module 1602.
  • the receiving module 1601 is configured to receive a PDU session context request message sent by the access and mobility management function AMF, where the PDU session establishment request includes at least one of first information and second information, the first information is used to Information indicating whether the first user equipment supports sensing capabilities, the second information is used to obtain the IP address of the sensing application function SAF.
  • the processing module 1602 is configured to determine that the PDU session establishment request includes the first information and the first information indicates information that supports sensing capabilities;
  • the receiving module 1501 is further configured to send an N1N2 interface message to the AMF, where the N1N2 interface message includes the IP address of the SAF.
  • the SAF controls the user equipment and/or RAN equipment to sense the tracked object, thereby achieving tracking.
  • Real-time tracking of objects improves the overall performance of communication networks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation, qui est appliquée au domaine technique des communications sans fil, concerne un procédé et un appareil de transmission d'informations de suivi, et un support de stockage lisible. Le procédé comprend : la détermination d'un premier équipement d'utilisateur ; l'envoi d'une première instruction de démarrage de détection au premier équipement d'utilisateur, la première instruction de démarrage de détection comprenant une description de caractéristique d'un objet suivi ; la réception d'un premier résultat de détection qui est envoyé par le premier équipement d'utilisateur, le premier résultat de détection comprenant des premières informations d'emplacement de détection, qui sont détectées par le premier équipement d'utilisateur, de l'objet suivi ; et la mise à jour d'informations de positionnement en temps réel de l'objet suivi selon les premières informations d'emplacement de détection.
PCT/CN2022/094794 2022-05-24 2022-05-24 Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible WO2023225870A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2022/094794 WO2023225870A1 (fr) 2022-05-24 2022-05-24 Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible
CN202280001735.9A CN117461333A (zh) 2022-05-24 2022-05-24 一种传输跟踪信息的方法、装置及可读存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/094794 WO2023225870A1 (fr) 2022-05-24 2022-05-24 Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible

Publications (1)

Publication Number Publication Date
WO2023225870A1 true WO2023225870A1 (fr) 2023-11-30

Family

ID=88918255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/094794 WO2023225870A1 (fr) 2022-05-24 2022-05-24 Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible

Country Status (2)

Country Link
CN (1) CN117461333A (fr)
WO (1) WO2023225870A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101772001A (zh) * 2009-01-04 2010-07-07 华为技术有限公司 通信跟踪的实现方法、装置及系统
US20190075447A1 (en) * 2016-02-24 2019-03-07 Lg Electronics Inc. Method and apparatus for tracking location using v2x communication in a wireless communication system
CN110024012A (zh) * 2016-12-02 2019-07-16 高通股份有限公司 交通工具到交通工具(v2v)传感器共享
CN111566499A (zh) * 2018-04-13 2020-08-21 华为技术有限公司 用于确定目标用户设备的位置的设备和方法
CN113785601A (zh) * 2019-05-03 2021-12-10 黑莓有限公司 使用v2x通信进行车辆位置跟踪的方法和系统
WO2022082706A1 (fr) * 2020-10-23 2022-04-28 Qualcomm Incorporated Conception d'un espace de détection pour détection sans fil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101772001A (zh) * 2009-01-04 2010-07-07 华为技术有限公司 通信跟踪的实现方法、装置及系统
US20190075447A1 (en) * 2016-02-24 2019-03-07 Lg Electronics Inc. Method and apparatus for tracking location using v2x communication in a wireless communication system
CN110024012A (zh) * 2016-12-02 2019-07-16 高通股份有限公司 交通工具到交通工具(v2v)传感器共享
CN111566499A (zh) * 2018-04-13 2020-08-21 华为技术有限公司 用于确定目标用户设备的位置的设备和方法
CN113785601A (zh) * 2019-05-03 2021-12-10 黑莓有限公司 使用v2x通信进行车辆位置跟踪的方法和系统
WO2022082706A1 (fr) * 2020-10-23 2022-04-28 Qualcomm Incorporated Conception d'un espace de détection pour détection sans fil

Also Published As

Publication number Publication date
CN117461333A (zh) 2024-01-26

Similar Documents

Publication Publication Date Title
WO2020124322A1 (fr) Procédé et appareil d'enregistrement de réseau
WO2022021017A1 (fr) Procédé et appareil de rapport de capacité et procédé et appareil de détermination de capacité
WO2020132868A1 (fr) Procédé et appareil de configuration de ressource de connexion directe
US11805562B2 (en) User device pairing method and apparatus
WO2021243723A1 (fr) Procédé et appareil de détermination de position, dispositif de communication et support de stockage
WO2022178788A1 (fr) Procédé et appareil de télémétrie et équipement utilisateur et support de stockage
WO2022178789A1 (fr) Procédé et appareil de télémétrie et équipement utilisateur et support de stockage
WO2023225870A1 (fr) Procédé et appareil de transmission d'informations de suivi, et support de stockage lisible
WO2022052070A1 (fr) Procédé de commande de connexion et appareil de commande de connexion
WO2022174393A1 (fr) Procédé et appareil d'échange de capacité, et procédé et appareil de déclenchement d'échange
WO2022036610A1 (fr) Procédé et dispositif de communication et support de stockage
WO2023184119A1 (fr) Procédé et appareil de traitement d'informations, dispositif de communication et support de stockage
WO2024020892A1 (fr) Procédés, système et appareil de traitement d'informations, dispositif de communication et support de stockage
WO2023216116A1 (fr) Appareil et procédé de traitement d'informations, dispositif de communication et support de stockage
WO2022133645A1 (fr) Procédé et appareil d'envoi d'informations, procédé et appareil de détermination de relation
WO2022178866A1 (fr) Procédé et appareil de télémétrie, dispositif de terminal et support de stockage
WO2022067559A1 (fr) Procédé d'envoi de demande, procédé d'envoi d'informations de réponse et procédé d'acquisition d'informations de position
WO2023087329A1 (fr) Procédé et appareil de télémétrie collaborative, dispositif de communication et support de stockage
WO2023102919A1 (fr) Procédé et appareil de traitement d'informations, dispositif de communication et support de stockage
WO2023206504A1 (fr) Procédé et appareil de traitement de message système, dispositif de communication et support de stockage
WO2023056649A1 (fr) Procédé et appareil servant à fournir un service de détection, dispositif de communication et support d'enregistrement
WO2024026689A1 (fr) Procédé et appareil de fourniture de service de détection sans fil, dispositif électronique et support de stockage
WO2023201736A1 (fr) Procédé et appareil de traitement d'informations, dispositif de communication et support de stockage
WO2023230939A1 (fr) Procédé et dispositif de transmission de préférence de consentement d'utilisateur, et procédé et dispositif de détermination de configuration
WO2023212959A1 (fr) Appareil et procédé de traitement d'informations, dispositif de communication, et support de stockage

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 202280001735.9

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22943076

Country of ref document: EP

Kind code of ref document: A1