Communication method and apparatus

Abstract

The embodiments of the present application relate to the technical field of communications. Provided are a communication method and apparatus. The method comprises: a sensing network element acquiring sensing information of users, wherein the sensing information of the users comprises location information of the users, and is configured to determine a user associated with a first target; the sensing network element receiving a first message configured to request information of the user associated with the first target; the sensing network element acquiring sensing data, and acquiring sensing information of the first target on the basis of the sensing data, wherein the sensing information of the first target comprises location information of the first target; and the sensing network element sending the sensing information of the first target and the sensing information of the users. In this way, information of a user corresponding to a sensing target can be determined, so that a regulatory body determines a responsible person related to the sensing target.

Description

Communication method and device

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on August 25, 2023, with application number 202311094566.0 and application name “A Communication Method and Device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0003] The embodiments of the present application relate to the field of communication technology, and in particular to a communication method and apparatus. Background Art

[0004] With the advancement of communications, smart transportation, smart low-altitude air navigation, smart homes, smart cities, and smart factories are rapidly developing, making people's lives increasingly convenient. However, in some application scenarios, some difficult problems still exist. For example, in the field of autonomous driving, vehicles with unusual trajectories cannot identify their user; in the field of drone flight, the owner or operator of unregistered drones cannot be determined. Therefore, it is impossible to determine the owner or operator of a target object.

[0005] Summary of the Invention

[0006] The present application provides a communication method and apparatus to determine the person responsible for a target object, thereby facilitating supervision by regulatory agencies.

[0007] In a first aspect, the present application provides a communication method that can be executed by a perception network element. The perception network element is mainly used to process the perception data uploaded by the access network device, such as clustering, tracking filtering, trajectory tracking, target recognition, environment reconstruction, etc. The perception network element can be a perception function (SF). The execution is as follows:

[0008] The perception network element obtains the user's perception information, which includes: the user's location information; the perception network element receives a first message, which is used to request the associated user information of the first target; the perception network element obtains perception data, and obtains the perception information of the first target based on the perception data, and the perception information of the first target includes the location information of the first target; the perception network element sends the perception information of the first target and the user's perception information.

[0009] It should be noted that "obtain" in "obtain the perception information of the first target based on the perception data" can be replaced by "determine". In addition, "the perception network element sends the perception information of the first target and the user's perception information" does not just mean sending the perception information of the first target and the user's perception information to the same recipient at the same time. It can also mean sending the perception information of the first target and the user's perception information to different recipients in different messages. For example, the perception network element sends the perception information of the first target to the perception requester, the perception network element sends the user's perception information to the network data analysis function, or the perception network element sends the user's perception information to the access and mobility management network element. In addition, the perception requester can be replaced by an application function (AF) or a third party or a perception third party or a perception application, etc., without limitation. In addition, the use of the first message for requesting can also be understood as subscription, acquisition, etc. This application does not specifically limit this. "Perception information" can be replaced by "perception context" or "user stereo context" or "perception stereo context", etc. This application does not specifically limit the perception information.

[0010] This application uses a perception network element to determine user information associated with the first target based on perception data. In this way, the person responsible for the first target can be tracked, reducing the complexity and cost of supervision. It can be better applied to social life and practice. For example, the target person responsible for illegal drones can be found, the target person responsible for unmanned vehicles with abnormal trajectories can be found, and the target person responsible for stones placed on railways or roads can be tracked.

[0011] In an optional manner, the perception network element sends the perception information of the first target to the perception requester.

[0012] In an optional manner, the perception network element sends the user's perception information to the network data analysis function, or the perception network element sends the user's perception information to the access and mobility management network element.

[0013] In an optional manner, the perception network element receives a second message from the perception requester, where the second message is used to request location information of the first target or to obtain notification of the first target; the perception network element sends a response message to the second message to the perception requester.

[0014] It should be noted that "request" can be replaced by "subscribe" or "obtain" and is not specifically limited here.

[0015] In an optional manner, the perception network element receives a third message from the access and mobility management network element, and the third message is used to trigger the perception network element to obtain the perception information of the first user, and the third message includes: the identifier of the first user and the first area of ​​the first user; the perception network element obtains the perception information of the first user; the perception network element sends the perception information of the first user to the network data analysis function.

[0016] It should be noted that “the third message includes: the identifier of the first user and the first area of ​​the first user” can be understood as the third message only including the identifier of the first user or only including the first area of ​​the first user; it can also be understood as the third message including both the identifier of the first user and the first area of ​​the first user.

[0017] The trigger in this application can be understood as a request / instruction / notification / trigger, and the acquisition of the first user's perception information in this application can be replaced by generating / producing / determining / establishing / creating the first user's perception information.

[0018] It should be noted that the first area in the text may include: cell identifier (cell ID), base station / access network identifier, tracking area ID / tracking area code (TAI / TAC), public land mobile network identity document (PLMN ID), service area identity document (SAI), central unit identity document (CU ID), distributed unit identity document (DU ID), transmission reception point identity document (TRP ID), etc., which are only described here as an example and are not specifically limited in this application.

[0019] In an optional manner, the perception network element receives a fourth message from the access and mobility management network element, where the fourth message is used to request perception information of users in the first area, and the fourth message includes the first area where the first user is located; the perception network element obtains the perception information of users in the first area; and the perception network element sends the perception information of users in the first area to the access and mobility management network element.

[0020] In an optional embodiment, the user's perception information also includes one or more of the following: the user's appearance, the user's gait, the user's outline, the user's speed, the user's distance, the user's angle, the user's direction, the user's time, the user's perception information of associated objects, and the user's biological information.

[0021] It should be noted that the user's outline / user's form can be understood as the user's identification information or appearance identification information or the user's appearance information, which is a form of expression of long-distance biological information. The perception information of the user-associated object can be understood as the user-related object or the user-related target or target object or the user's corresponding object or target object, which can also be interpreted as the perception information of the target or target object carried / held / held / remotely controlled / within a certain range from the user by the user. The user's biological information can include the user's facial recognition information, the user's fingerprint, the user's skin color, etc. The user's gait information can be understood as the user's walking posture. Gait recognition requires analysis and processing of image sequences of human body movements, which usually includes three processes: gait detection, gait representation, and gait recognition.

[0022] In an optional manner, the perception information of the first target further includes one or more of the following: the appearance of the first target, the detection area associated with the first target, the trajectory information of the first target, and the time information of the first target.

[0023] It should be noted that the appearance of the first target can be the appearance identification information of the first target, for example, the first target is a drone or a car or a flying bird or a stone, etc.; the trajectory information of the first target can be understood as the position information of the first target, for example, the trajectory information is composed of a string of position information; the time information of the first target can be understood as the time information when the first target appears or the time information when the first target is detected.

[0024] In an optional manner, the perception network element sends a fifth message, where the fifth message is used to request to obtain associated user information of the first target, and the fifth message includes one or more of the following: a detection area related to the first target, an identifier of the first target, motion trajectory information of the first target, and location information of the first target;

[0025] The perception network element receives a response message to the fifth message, where the response message to the fifth message includes: associated user information of the first target.

[0026] It should be noted that the associated user information of the first target can be interpreted as user information corresponding to the first target / user information related to the first target, which can indicate that these users are more likely to be users or responsible persons of the target. The detection area associated with the first target can be interpreted as an area containing the location of the first target, for example, an area centered on the location of the first target, or an area containing the location of the first target. The area can be an area represented by geographic coordinates, or an area represented by a cell identifier and / or a base station identifier and / or a tracking area identifier and / or a PLMN identifier.

[0027] In an optional manner, the perception network element determines the associated user information of the first target.

[0028] In an optional manner, the perception network element determines the number of occurrences of users in the detection area; the perception network element deletes users whose number of occurrences is less than or equal to the first parameter from users associated with the first target to obtain a second user.

[0029] It should be noted that the detection area may be the detection area related to the first target mentioned above; the first parameter may be an integer or character type value.

[0030] In a second aspect, the present application provides a communication method that can be executed through a network data analysis function, wherein the network data analysis function is mainly used to perform computational processing on data, such as statistics, analysis, artificial intelligence (AI) calculations, etc. The network data analysis function can be a network data analytics function (NWDAF), which is executed as follows:

[0031] The network data analysis function receives perception information of a first target from a perception network element, where the perception information of the first target includes location information of the first target; the network data analysis function determines user information associated with the first target based on the perception information of the first target, where the user information associated with the first target includes user location information and user identification.

[0032] It should be noted that the word "determine" can be replaced by "produce / generate / acquire". This application uses the network data analysis function to analyze the perception information of the first target to determine the user information associated with the first target. In this way, the person responsible for the first target can be tracked, reducing the complexity and cost of supervision. It can be better applied to social life and practice. For example, the target person responsible for illegal drones can be found, the target person responsible for unmanned vehicles with abnormal trajectories can be found, and the target person responsible for stones placed on railways or roads can be tracked.

[0033] In an optional manner, the network data analysis function receives a first message from a perception requester, where the first message is used to request associated user information of a first target; the network data analysis function requests the perception network element to obtain the user's perception information, where the user's perception information includes associated user information of the first target; the network data analysis function sends the associated user information of the first target to the perception requester.

[0034] It should be noted that the request can be replaced by subscription / acquisition. Issuing a network data analysis function based on the request of the perception requester to obtain the associated user information of the first target can assist the perception requester (for example, a regulatory agency) in reducing regulatory costs and avoiding the resource overhead caused by the AF through large-scale screening of the associated users of the first target.

[0035] In an optional manner, the network data analysis function receives a second message from the perception requester, where the second message is used to request the location information of the first target, or to obtain notification of the first target; the network data analysis function requests the perception network element to obtain the location information of the first target, or to obtain notification of the first target; the network data analysis function sends the location information of the first target, or sends notification of the first target to the perception requester.

[0036] Based on the request of the perception requester, the network data analysis function is requested for the location information of the first target, or the notification for obtaining the first target can be used to promptly warn the abnormal target, thereby avoiding the loss of public resources or privacy leakage caused by the abnormal target entering the area.

[0037] In an optional manner, the perception information of the first target further includes one or more of the following: the appearance of the first target, the detection area associated with the first target, the trajectory information of the first target, and the time information of the first target.

[0038] It should be noted that the trajectory information of the first target may be the motion trajectory of the first target.

[0039] In an optional embodiment, the user's perception information also includes one or more of the following: the user's appearance, the user's gait, the user's speed, the user's outline, the user's distance, the user's angle, the user's direction, the user's time, the user's perception information of associated objects, and the user's biological information.

[0040] In an optional manner, the network data analysis function sends a third message to the perception network element, and the third message is used to obtain the user's perception information.

[0041] In an optional manner, the network data analysis function sends a fourth message to the access and mobility management network element, where the fourth message is used to obtain user perception information; the network data analysis function receives the user perception information from the access and mobility management network element.

[0042] In an optional manner, the network data analysis function determines the user information associated with the first target based on the user's perception information and the perception information of the first target, where the perception information of the first target includes one or more of the following: the location information of the first target, the appearance of the first target, and the time of the first target.

[0043] In an optional manner, the network data analysis function determines the area where the first target is located; and the network data analysis function determines the first user located in the area where the first target is located based on the user's location information.

[0044] In an optional manner, the network data analysis function determines the user information associated with the first target based on the perception information of the first target and the perception information of the first user.

[0045] In an optional manner, the network data analysis function obtains the user information associated with the first target locally and / or obtains the user information associated with the first target non-locally.

[0046] It should be noted that local may refer to being stored or configured locally by the NWDAF; non-local may refer to being obtained by the NWDAF from other network elements, for example, obtaining the user identity corresponding to the first target from the NWDAF of other PLMNs.

[0047] In an optional manner, the network data analysis function determines the number of occurrences of users in the detection area; the network data analysis function deletes users whose number of occurrences is less than or equal to the first parameter from users associated with the first target to obtain a second user.

[0048] It should be noted that the detection area may be the area where the first target is located. The first parameter may be an integer or a character, without limitation.

[0049] In a third aspect, an embodiment of the present application provides a communication method, which can be performed by an access and mobility management network element. The access and mobility management network element is mainly used to obtain user information, such as a user identifier, and is performed as follows:

[0050] The access and mobility management network element receives the user's registration request message; the access and mobility management network element sends a first message to the perception network element, the first message is used to trigger the perception network element to obtain the perception information of the first user, the first message includes: the identifier of the first user and the first area of ​​the first user.

[0051] It should be noted that the access and mobility management network element may send the first message after receiving the user's request message, or may send the first message after receiving the registration acceptance message, which is not specifically limited in this application. The first message includes the first user's identifier and the first area of ​​the first user. The first message may include only the first user's identifier, or only the first area of ​​the first user, or both the first user's identifier and the first area of ​​a single user.

[0052] In an optional manner, the access and mobility management network element sends a second message to the perception network element, where the second message is used to request perception information of users in the first area, and the second message includes the first area where the first user is located; the access and mobility management network element receives perception information of users in the first area from the perception network element.

[0053] In an optional manner, the access and mobility management network element receives a third message from the network data analysis function, where the third message is used to obtain user perception information; the access and mobility management network element sends the user perception information to the network data analysis function.

[0054] In an optional embodiment, the user's perception information includes one or more of the following: user's location information, user's form, user's gait, user's outline, user's speed, user's distance, user's angle, user's direction, user's time, user's perception information of associated objects, and user's biological information.

[0055] In an optional manner, the access and mobility management network element receives a fourth message from the perception network element, where the fourth message is used to request the associated user information of the first target, and the fourth message includes one or more of the following: a detection area related to the first target, an identifier of the first target, motion trajectory information of the first target, and location information of the first target; the access and mobility management network element determines the associated user information of the first target; and the access and mobility management network element sends the associated user information of the first target to the perception network element.

[0056] In an optional manner, the access and mobility management network element receives a fifth message from the perception network element, where the fifth message is used to request user information associated with the first target, and the fifth message includes the detection area of ​​the first target; the access and mobility management network element determines the first access network device located within the detection area based on the detection area of ​​the first target.

[0057] In an optional manner, the access and mobility management network element determines, according to the detection area of ​​the first target, a first access network device located in the detection area, including:

[0058] The access and mobility management network element sends a sixth message to the first access network device, where the sixth message is used to request the identification of the first user in the detection area; the access and mobility management network element receives the identification of the first user from the first access network device; the access and mobility management network element determines the information of the first user based on the logical identification of the first user.

[0059] It should be noted that the sixth message is used to request the identification of the first user in the detection area. The detection area may be an area including the first target location. The area may be a geographical area, or the area may be an area represented by one or more of the following identifications: cell identification, access network device identification, tracking area identification, PLMN ID, TRP ID, CU ID, DU ID, etc. The access and mobility management network element receives the identification of the first user from the first access network device. The identification may be a radio network temporary identifier (RNTI), a next generation application protocol (NGAP) UE ID, etc.

[0060] In addition, it should be noted that the access management network element determines the information of the first user based on the logical identifier of the first user, which may be that the access management network element determines the permanent identifier (SUPI) / international mobile subscriber identity (IMSI) of the user corresponding to the user based on the C-RNTI (connected-radio network temporary identifier) ​​and / or NGAP UE ID, and further determines the context of the user to determine the information of the first user.

[0061] In a fourth aspect, an embodiment of the present application provides a communication method, which can be executed by a perception requester. The perception requester can be replaced by an AF, a third party, a perception third party, or a perception application, etc., without limitation. The method is executed as follows:

[0062] The perception requester sends a first message, where the first message is used to request associated user information of the first target or the first message is used to request notification of the first target.

[0063] In a fifth aspect, embodiments of the present application provide a communication method that can be executed by a perception network element. The perception network element is mainly used to process perception data uploaded by access network devices, such as clustering, tracking filtering, trajectory tracking, target identification, and environment reconstruction. The perception network element can be a SF. The method is executed as follows:

[0064] The perception network element receives a first message from the access and mobility management network element. The first message is used to trigger the perception network element to obtain the perception information of the first user. The first message includes: the identifier of the first user and the first area of ​​the first user; the perception network element obtains the perception information of the first user; the perception network element sends the perception information of the first user to the network data analysis function.

[0065] It should be noted that the first message is used to trigger the perception network element to obtain the perception information of the first user, which can be interpreted as the first message is used to instruct / notify the perception network element to generate / establish / create / determine the perception information of the first user. The perception information can be interpreted as perception context or stereo context.

[0066] In addition, it should be noted that the first message includes the identifier of the first user and the first area of ​​the first user. The first message may only include the identifier of the first user, or the first message only includes the first area of ​​the first user, or the first message includes both the identifier of the first user and the first area of ​​a single user.

[0067] In a sixth aspect, embodiments of the present application provide a communication method that can be executed by a perception network element. The perception network element is primarily used to process perception data uploaded by access network devices, such as clustering, tracking filtering, trajectory tracking, target identification, and environment reconstruction. The perception network element can be a SF. The method is executed as follows:

[0068] The perception network element receives a first message from the access and mobility management network element, where the first message is used to request perception information of users in a first area, and the first message includes the first area where the first user is located; the perception network element obtains the perception information of users in the first area; the perception network element sends the perception information of users in the first area to the access and mobility management network element.

[0069] In a seventh aspect, an embodiment of the present application provides a communication method, which can be performed by an access network device, which can be a base station, an access point, etc., and is performed as follows:

[0070] An access network device receives a first message from an access and mobility management network element, where the first message is used to request user information associated with a first target, and the first message includes: location information of the first target and a detection area of ​​the first target; the access network device determines the user information associated with the first target based on the user's uplink advance and the detection area.

[0071] In an eighth aspect, an embodiment of the present application provides a communication device, which may be the above-mentioned perception network element or a chip arranged inside the perception network element, or the above-mentioned network data analysis function or a chip arranged inside the network data analysis function, or an access and mobility management network element or a chip arranged inside the access and mobility management network element, or a perception requester or a chip arranged inside the perception requester. The communication device has the function of implementing any one of the above-mentioned first to seventh aspects. For example, the communication device includes a module or unit or means corresponding to the steps involved in any one of the above-mentioned first to seventh aspects. The function or unit or means may be implemented by software, or by hardware, or may be implemented by hardware executing the corresponding software.

[0072] In one possible design, the communication device includes a processing unit and a transceiver unit, wherein the transceiver unit can be used to send and receive signals to achieve communication between the communication device and other devices; the processing unit can be used to perform some internal operations of the communication device. The transceiver unit can be called an input / output unit, a communication unit, etc., and the transceiver unit can be a transceiver; the processing unit can be a processor. When the communication device is a module (such as a chip) in a communication device, the transceiver unit can be an input / output interface, an input / output circuit, or an input / output pin, etc., and can also be called an interface, a communication interface, or an interface circuit, etc.; the processing unit can be a processor, a processing circuit, or a logic circuit, etc.

[0073] In another possible design, the communication device includes a processor and may also include a transceiver, the transceiver is used to send and receive signals, and the processor executes program instructions to complete the method in any possible design or implementation of the first to seventh aspects above. The communication device may also include one or more memories, the memory is used to couple with the processor, and the memory can store the necessary computer programs or instructions for implementing the functions involved in any of the first to seventh aspects above. The processor can execute the computer program or instructions stored in the memory, and when the computer program or instructions are executed, the communication device implements the method in any possible design or implementation of the first to seventh aspects above.

[0074] In another possible design, the communication device includes a processor, which can be coupled to a memory. The memory can store the necessary computer programs or instructions for implementing the functions of any of the first to seventh aspects. The processor can execute the computer programs or instructions stored in the memory. When the computer programs or instructions are executed, the communication device implements the method of any possible design or implementation of the first to seventh aspects.

[0075] In another possible design, the communication device includes a processor and an interface circuit, wherein the processor is used to communicate with other devices through the interface circuit and execute the method in any possible design or implementation of the first to seventh aspects above.

[0076] It can be understood that in the seventh aspect above, the processor can be implemented by hardware or by software. When implemented by hardware, the processor can be a logic circuit, an integrated circuit, etc.; when implemented by software, the processor can be a general-purpose processor, which is implemented by reading the software code stored in the memory. In addition, the above processors can be one or more, and the memories can be one or more. The memory can be integrated with the processor, or the memory and the processor can be set separately. In the specific implementation process, the memory can be integrated with the processor on the same chip, or can be set on different chips respectively. The embodiment of the present application does not limit the type of memory and the setting method of the memory and the processor.

[0077] In the ninth aspect, an embodiment of the present application provides a communication system, which includes the perception network element, network data analysis function, access and mobility management network element and perception requester in the above-mentioned first to seventh aspects.

[0078] In a tenth aspect, the present application provides a chip system, which includes a processor and may also include a memory, for implementing the method described in any possible design of aspects 1 to 7 above. The chip system may be composed of a chip or may include a chip and other discrete devices.

[0079] In the eleventh aspect, the present application also provides a computer-readable storage medium, which stores computer-readable instructions. When the computer-readable instructions are run on a computer, the computer executes a method in any possible design as in the first to seventh aspects.

[0080] In a twelfth aspect, the present application provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the methods of the various embodiments of the first to seventh aspects described above.

[0081] For the technical effects that can be achieved in the above-mentioned second to seventh aspects, please refer to the description of the technical effects that can be achieved by the corresponding possible design schemes in the above-mentioned first aspect, and this application will not repeat them here. BRIEF DESCRIPTION OF THE DRAWINGS

[0082] FIG1A shows a schematic diagram of a communication system;

[0083] FIG1B shows a schematic diagram of another communication system;

[0084] FIG2 shows a schematic diagram of a perception processing flow;

[0085] FIG3 shows a schematic diagram of yet another communication system;

[0086] FIG4 shows a schematic flow chart of a communication method;

[0087] FIG5 shows a schematic flow chart of a communication method;

[0088] FIG6 shows a schematic flow chart of a communication method;

[0089] FIG7 shows a schematic flow chart of a communication method;

[0090] FIG8 shows a schematic diagram of a principle for determining a drone-associated user;

[0091] FIG9 shows a schematic flow chart of a communication method;

[0092] FIG10 shows a schematic flow chart of a communication method;

[0093] FIG11 shows a schematic diagram of a principle for determining a drone-associated user;

[0094] FIG12 shows a schematic flow chart of a communication method;

[0095] FIG13 shows a flow chart of a communication method;

[0096] FIG14 shows a schematic diagram of a principle for determining a drone-associated user;

[0097] FIG15 shows a schematic flow chart of a communication method;

[0098] FIG16 shows a schematic flow chart of a communication method;

[0099] FIG17 shows a schematic structural diagram of a communication device provided in an embodiment of the present application;

[0100] FIG18 shows a schematic structural diagram of another communication device provided in an embodiment of the present application;

[0101] FIG19 shows a schematic structural diagram of another communication device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0102] In order to make the purpose, technical solutions and advantages of this application clearer, the present application will be further described in detail below with reference to the accompanying drawings. The specific operating methods in the method embodiments can also be applied to the device embodiments or system embodiments. In the description of this application, unless otherwise specified, "multiple" means two or more. Therefore, the implementation of the device and method can refer to each other, and the repeated parts will not be repeated.

[0103] To meet the challenges of wireless broadband technology and maintain the leading edge of the Third Generation Partnership Project (3GPP) network, the 3GPP standards group has developed the Next Generation System architecture for mobile communications, known as the 5G network architecture. This architecture not only supports access to the 5G core network (CN) using radio access technologies defined by the 3GPP standards group (such as Long Term Evolution (LTE) and RAN), but also supports access to the core network using non-3GPP access technologies via the non-3GPP interworking function (N3IWF) or the next generation packet data gateway (ngPDG).

[0104] Figure 1A is a schematic diagram of a 5G network architecture based on a service-oriented architecture. The 5G network architecture shown in Figure 1A may include access network equipment and core network equipment. The terminal accesses the data network (DN) through the access network equipment and the core network equipment. Among them, the core network equipment includes but is not limited to some or all of the following network elements: authentication server function (AUSF) network element (not shown in the figure), UDM network element, UDR network element, network storage function (NRF) network element (not shown in the figure), NEF network element (not shown in the figure), application function (AF) network element, PCF network element, AMF network element, SMF network element, user plane function (UPF) network element, binding support function (BSF) network element (not shown in the figure).

[0105] Terminals can be user equipment (UE), mobile stations, or mobile terminals. They can be widely used in various scenarios, such as device-to-device (D2D), vehicle-to-everything (V2X) communication, machine-type communication (MTC), the Internet of Things (IoT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grids, smart furniture, smart offices, smart wearables, smart transportation, and smart cities. Terminals can be mobile phones, tablets, computers with wireless transceiver capabilities, wearable devices, vehicles, urban air vehicles (such as drones and helicopters), ships, robots, robotic arms, and smart home devices.

[0106] Access network equipment can be a radio access network (RAN) device or a wireline access network (FAN) device. Among them, radio access network equipment includes 3GPP access network equipment, untrusted non-3GPP access network equipment and trusted non-3GPP access network equipment. 3GPP access network equipment includes but is not limited to: evolved NodeB (eNodeB) in LTE, next generation NodeB (gNB) in 5G mobile communication system, base station in future mobile communication system or module or unit that completes part of the functions of base station, such as centralized unit (CU), distributed unit (DU), etc. Untrusted non-3GPP access network equipment includes but is not limited to: untrusted non-3GPP access gateway or N3IWF device, untrusted wireless local area network (WLAN) access point (AP), switch, router. Trusted non-3GPP access network equipment includes but is not limited to: trusted non-3GPP access gateway, trusted WLAN AP, switch, router. Wired access network equipment includes but is not limited to: wireline access gateway, fixed telephone network equipment, switches, and routers.

[0107] Access network equipment and terminals can be fixed or mobile. They can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; on water; and in the air on aircraft, balloons, and satellites. The embodiments of this application do not limit the application scenarios of access network equipment and terminals.

[0108] The AMF network element performs functions such as mobility management and access authentication / authorization. In addition, it is responsible for transmitting user policies between terminals and PCF network elements.

[0109] The SMF network element includes functions such as performing session management, executing control policies issued by the PCF, selecting the UPF, and allocating the Internet Protocol (IP) address of the terminal.

[0110] The UPF network element includes functions such as user plane data forwarding, session / flow-level billing statistics, and bandwidth limitation.

[0111] UDM network element includes functions such as executing and managing contract data and user access authorization.

[0112] The UDR network element includes the access functions for executing contract data, policy data, application data and other types of data.

[0113] NEF network element is used to support the opening of capabilities and events.

[0114] The AF network element communicates application-side requirements to the network, such as Quality of Service (QoS) requirements or user status event subscriptions. The AF can be a service requester functional entity or an operator-deployed application service, such as the IP Multimedia Subsystem (IMS) voice call service. AF network elements include those within the core network (i.e., the operator's AF network element) and those on the service requester side (e.g., an enterprise's application server).

[0115] The PCF network element is responsible for policy control functions such as billing for sessions and service flows, QoS bandwidth assurance, mobility management, and terminal policy decisions. PCF network elements include the access and mobility management policy control function (AM PCF) network element and the session management policy control function (SM PCF) network element. The AM PCF network element is used to formulate AM policies for terminals. The AM PCF network element can also be referred to as a policy control network element that provides services for terminals (PCF for a UE). The SM PCF network element is used to formulate session management policies (SM policies) for sessions. The SM PCF network element can also be referred to as a policy control network element that provides services for sessions (PCF for a PDU session).

[0116] NRF network elements can be used to provide network element discovery capabilities, providing network element information corresponding to the network element type based on requests from other network elements. NRF also provides network element management services such as network element registration, update, and deregistration, as well as network element status subscription and push.

[0117] The BSF network element can provide BSF service registration / deregistration / update, NRF connection detection, session binding information creation, UE information acquisition, and session binding information query for duplicate IP addresses.

[0118] The AUSF network element is responsible for authenticating users to determine whether users or devices are allowed to access the network.

[0119] A DN is a network located outside of a carrier network. A carrier network can connect to multiple DNs, and a variety of services can be deployed on the DN, providing data and / or voice services to terminals. For example, a DN is the private network of a smart factory. Sensors installed in the workshop can be terminals, and the DN houses a control server for the sensors, which can provide services to the sensors. Sensors can communicate with the control server, receive instructions from the control server, and transmit collected sensor data to the control server based on the instructions. Another example is a DN that is a company's internal office network. An employee's mobile phone or computer can be a terminal, allowing them to access information and data resources on the company's internal office network.

[0120] In Figure 1A, Npcf, Nurf, Nudm, Naf, Namf, and Nsmf are service-oriented interfaces provided by the PCF, UDR, UDM, AF, AMF, and SMF, respectively, for invoking corresponding service-oriented operations. N1, N2, N3, N4, and N6 are interface serial numbers, and their meanings are as follows:

[0121] 1) N1: The interface between AMF and the terminal, which can be used to deliver non-access stratum (NAS) signaling (such as QoS rules from AMF) to the terminal.

[0122] 2) N2: The interface between AMF and access network equipment, which can be used to transmit radio bearer control information from the core network side to the access network equipment.

[0123] 3) N3: The interface between the access network equipment and UPF, mainly used to transmit uplink and downlink user plane data between the access network equipment and UPF.

[0124] 4) N4: The interface between SMF and UPF can be used to transmit information between the control plane and the user plane, including controlling the issuance of forwarding rules, QoS rules, traffic statistics rules, etc. for the user plane and reporting information on the user plane.

[0125] 5) N6: Interface between UPF and DN, used to transmit uplink and downlink user data flows between UPF and DN.

[0126] Figure 1B is a schematic diagram of a 5G network architecture based on a point-to-point interface. For an introduction to the functions of the network elements therein, please refer to the introduction to the functions of the corresponding network elements in Figure 1B and will not be repeated here. The main difference between Figure 1B and Figure 1A is that the interfaces between the various control plane network elements in Figure 1A are service-oriented interfaces, while the interfaces between the various control plane network elements in Figure 1B are point-to-point interfaces.

[0127] In the architecture shown in Figure 1B, the interface names and functions between the various network elements are as follows:

[0128] 1) For the meanings of the N1, N2, N3, N4 and N6 interfaces, please refer to the above description.

[0129] 2) N5: The interface between the AF network element and the PCF network element, which can be used to issue application service requests and report network events.

[0130] 3) N7: The interface between the PCF network element and the SMF network element, which can be used to issue the protocol data unit (PDU) session granularity and the service data flow granularity control policy.

[0131] 4) N8: The interface between the AMF network element and the UDM network element, which can be used by the AMF network element to obtain access and mobility management related contract data and authentication data from the UDM network element, and the AMF network element to register terminal mobility management related information with the UDM network element.

[0132] 5) N9: User plane interface between UPF network elements, used to transmit uplink and downlink user data flows between UPF network elements.

[0133] 6) N10: The interface between the SMF network element and the UDM network element, which can be used by the SMF network element to obtain session management related contract data from the UDM network element, and the SMF network element to register terminal session related information with the UDM network element.

[0134] 7) N11: The interface between the SMF network element and the AMF network element, which can be used to transmit PDU session tunnel information between the access network device and the UPF, transmit control messages sent to the terminal, transmit wireless resource control information sent to the access network device, etc.

[0135] 8) N15: The interface between the PCF network element and the AMF network element, which can be used to issue terminal policies and access control related policies.

[0136] 9) N35: The interface between the UDM network element and the UDR network element, which can be used by the UDM network element to obtain user contract data information from the UDR network element.

[0137] 10) N36: Interface between PCF network element and UDR network element, which can be used by PCF network element to obtain policy-related contract data and application data-related information from UDR network element.

[0138] It is understood that the above-mentioned network element or function can be a network element in a hardware device, a software function running on dedicated hardware, or a virtualized function instantiated on a platform (e.g., a cloud platform). Optionally, the above-mentioned network element or function can be implemented by a single device, or by multiple devices, or can be a functional module within a single device, and this is not specifically limited in the embodiments of the present application.

[0139] The user plane network element, session management network element, and mobility management network element in this application can be the UPF network element, SMF network element, and AMF network element in the 5G system, respectively, or can be a network element having the functions of the above-mentioned UPF network element, SMF network element, and AMF network element in future communications such as the 6th generation (6G) network. This application is not limited to this. In the embodiments of this application, an example is described in which the UPF network element, SMF network element, and AMF network element are respectively the user plane network element, the session management network element, and the mobility management network element. In addition, the UPF network element, the SMF network element, and the AMF network element are referred to as UPF, SMF, and AMF, respectively.

[0140] For ease of explanation, in the embodiments of this application, a base station (such as a 4th generation (4G) eNB, a 5G gNB, or a base station in future communications) is used as an example of an access network device for explanation, and the subsequent "base station" can be replaced with "access network device." In the embodiments of this application, a UE is used as an example of a terminal for explanation, and the subsequent "UE" can be replaced with "terminal."

[0141] It is understandable that the core network may also include other network functional entities, which is not limited in this application.

[0142] The technical solutions provided in the embodiments of this application can be applied to various communication systems. For example, they can be applied to 5G systems, as well as other future-oriented new systems, such as 6G systems. The embodiments of this application do not specifically limit this. In addition, the term "system" and "network" can be used interchangeably.

[0143] With the development of communication networks, users have increasingly demanded network perception. Perception involves transmitting electromagnetic waves to a target object (e.g., the RAN transmitting electromagnetic waves to the target object in Figure 1A or Figure 1B), obtaining reflected electromagnetic waves, and determining target object information, such as trajectory and shape, based on the echo and the characteristics of the radio electromagnetic waves. For example, Figure 2 shows a typical sensing process diagram, which illustrates the basic process of cellular base station perception. The sensing process is as follows: ADC (analog-to-digital) sampling—perception channel calculation and inversion—symbol-dimensional Fast Fourier Transform (Fast Fourier Transform) and Inverse Fast Fourier Transform (IFFT) to obtain the range spectrum (R spectrum)—inter-symbol FFT to obtain the velocity spectrum (V spectrum)—constant false alarm rate (CFAR) detection—angle spectrum (A spectrum) calculation, single radio frame clustering—multi-radio frame data association—tracking filtering—target identification. Perception results can include the presence or absence of target objects, the number of target objects, target identification (e.g., animals, drones, vehicles, people, etc.), and target trajectory (e.g., vehicle trajectory, drone trajectory).

[0144] It should be noted that the target in this application can be replaced by target object or object.

[0145] Perception can be applied to wide-area scenarios (such as low-altitude drone security, highway / railway intrusion detection, atmospheric environment monitoring, real-time control of border and coastline areas, and vehicle-road collaborative scenario perception assistance) and local-area scenarios (such as smart home scenarios (health monitoring, home intrusion detection), smart factory scenarios (detection and tracking of factory automatic guided vehicles), and motion posture recognition).

[0146] In order to better adapt to the application of perception, the service-oriented architecture provided by this application introduces the perception network element SF as shown in Figure 3. SF sets up interfaces and interacts with 5GC network elements such as AMF, NEF, UDM, NWDAF, PCF, location management function (LMF) and UPF. The perception control signaling between SF and RAN / UE is transmitted through AMF. The perception measurement data obtained by RAN / UE can be transmitted to SF via the control plane or user plane. The user plane can be forwarded via UPF or directly transmitted to SF. In addition, it is necessary to support perception billing in UE execution perception and RAN execution perception scenarios. The perception network element sets up interfaces and interacts with 5GC network elements such as AMF, NEF, UDM, NWDAF, PCF, LMF and UPF. The specific definitions are as follows:

[0147] 1) NS1: A new NS1 interface is added between SF and AMF, which can transmit perception control signaling; for scenarios where the control plane uploads perception measurement data, this interface can also transmit perception measurement data.

[0148] 2) NS2: A new NS2 interface is added between SF and NEF. This interface can transmit signaling messages between the perception network element and the service side AF (Application Function) through NEF, and open the perception results to AF.

[0149] 3) NS3: A new NS3 interface is added between SF and UDM, through which authentication or authorization can be achieved, and UE perception subscription information, service AMF information or other information can be obtained.

[0150] 4) NS4: A new NS4 interface is added between SF and NWDAF. Through this interface, the perception network element can work with NWDAF to complete AI (artificial intelligence) processing related to perception services.

[0151] 5) NS5: A new NS5 interface is added between SF and PCF. Through this interface, the perception network element can transmit information such as the perception requirements, QoS requirements or perception results of the perception service to PCF, and PCF decides and generates PCC policies related to the perception service.

[0152] 6) NS6: A new NS6 interface is added between SF and LMF. Through this interface, the sensing network element can obtain location-related information, such as the sensing area, RAN information of the sensing target, and location information of the sensed UE.

[0153] 7) NS7: A new NS7 interface is added between SF and user plane functions. Perception measurement data can be directly transmitted from (R)AN to the perception network element via the user plane function, or indirectly forwarded to the perception network element via UPF. If the (R)AN forwards the data via UPF in the scenario where perception is performed, UPF needs to be modified to support RAN-granular data transmission.

[0154] In addition to the above-mentioned new interfaces, existing interfaces (such as N1, N2, N5, N8, N33, etc.) need to support the transmission of perception service related information, such as authentication information, perception service type, perception service quality requirements, perception measurement data, perception results, etc.

[0155] If the perception function is co-located with LMF, new interfaces can be added between LMF and GMLC to transmit information related to the perception service, and interfaces related to LMF and GMLC (such as the NL1 interface between AMF and LMF, and the NL2 interface between AMF and GMLC).

[0156] As mentioned in the background, drones are expected to be increasingly widely used in the future, and the government is increasingly supporting their development. Reform measures for the management of low-altitude drones have been formulated, primarily to transfer airspace management below 500 meters to public security. Drones have both communication and regulatory needs, with communication primarily focusing on flight control and data transmission. There are two types of regulatory approaches: using military radar to monitor drone flight information (flight trajectory, flight time, etc.), or relying on drones to report flight information independently (which is unreliable). Using military radar for regulatory purposes would increase the number of drones and incur high costs. Furthermore, inconsistent radar standards among different manufacturers make multi-path fitting impossible over a wide area.

[0157] As for regulatory services, for legal drones, the network knows its ID (that is, it carries a SIM card), and the network has its SIM card information and its planned route. The drone can report its own track through the communication system. The track can be the GPS track of the drone or the track of the drone positioning. The perception will also make a track. Based on the matching of the track, it can be known whether it is a legal flight or whether it has deviated from the route (the flight target carrying the SIM is not emphasized in this application).

[0158] Due to the concerns of drone manufacturers, drones currently lack SIM card-less flight targets, which constitute a significant portion of the data volume. This means that the network cannot see their IDs and tracks, rendering their tracks independent. Currently, many drones fail to strictly adhere to national regulations, leading to frequent "illegal flight" incidents such as unauthorized intrusions into public and sensitive areas, accidental crashes, disruptions to passenger aircraft takeoffs and landings, and collisions with high-rise buildings. Regarding illegal drones, since their IDs and tracks are not recorded on the network, this application, using the aforementioned illegal drones as an example, can leverage the wide-area sensing capabilities of cellular base stations to provide supervisory alerts, track their trajectories, and identify the responsible individuals. For example, the trajectory of illegal drones can be spliced ​​and recorded, and the identity of the responsible individuals can be identified and tracked based on their spatiotemporal (temporal and spatial) correlation. For example, for abnormally moving vehicles in autonomous driving scenarios, their trajectories can be tracked and restored, and the responsible individuals can be identified. For example, in the case of foreign object intrusion on railways or roads, a high-alert alert can be issued upon the presence of foreign objects, and the responsible individuals can be identified and identified.

[0159] Refer to Figure 4 for a communication method provided by this application to better monitor the behavior of target objects (for example, the above-mentioned abnormal vehicles, illegal drones, and foreign objects appearing on roads / railways). This method can be executed based on the data interaction of perception network elements and network data analysis functions. Of course, in actual application functions, other network elements may also be involved, which is not specifically limited in this application. The network data analysis function is mainly used to perform calculations and processing on data, such as statistics, analysis, AI calculations, etc. The perception network element is mainly used to process the perception data uploaded by the access network device, such as clustering, tracking filtering, trajectory tracking, target recognition, and environmental reconstruction. Here, the perception network element is SF and the network data analysis function is NWDAF as an example. Execution is as follows:

[0160] In step 401, the SF sends the perception information of the first target to the NWDAF, where the perception information of the first target includes the location information of the first target.

[0161] Among them, the first target is a target with a SIM card or a target without a SIM (that is, there is no authentication and authorization for identification in the core network, or the operator has not registered the device identification / has not signed a contract in the operator network). Among them, the target with a SIM card can be a drone equipped with a SIM card, an unmanned vehicle equipped with a SIM card, and other equipment. The target without a SIM card can be a drone without a SIM card, a stone blocking the road, an animal blocking the road, etc. This application is only illustrative and not specifically limited.

[0162] In addition, it should be noted that before executing step 401, SF may perform data processing based on the perception data reported by RAN after performing the synesthesia operation as a synesthesia device to determine the perception information of the first target, and may also call relevant information of the first target from other devices (such as radar, camera and other non-operator network devices) to assist in determining the perception information of the first target. This application does not specifically limit how SF determines the perception information of the first target. In addition, SF may receive a request message from other network elements (such as the perception requester AF, etc.) and determine the perception information of the first target based on the request message. This application does not specifically limit this.

[0163] It should be noted that in the present application, a target with a SIM card can be understood as a target with a connection, or a target registered with the network, or a target subscribed to the network, or a target authenticated in the network, or a target authorized by the network; a target without a SIM card in the present application can be understood as a target without a connection, or a target not registered with the network, or a target not subscribed to the network, or a target not authenticated in the network, or a target not authorized by the network. The SIM card can also be replaced by an international mobile subscriber identity (IMSI), a subscription permanent identifier (SUPI), a subscription concealed identifier (SUCI), a generic public subscription identifier (GPSI), a PEI (permanent equipment identifier), or an identifier used to identify a terminal device or user equipment in future next-generation networks (e.g., 6G, 7G, etc.).

[0164] In an optional embodiment, the perception information of the first target also includes one or more of the following: the appearance of the first target (which may be the appearance recognition information of the first target, for example, the first target is a drone or a car or a flying bird or a stone, etc.), the detection area associated with the first target, the trajectory information of the first target (for example, the motion trajectory) (which can be understood as the position information of the first target, for example, the trajectory information is composed of a string of position information) and the time information of the first target (which can be understood as the time information of the appearance of the first target or the time information of the detection of the first target). Among them, the detection area associated with the first target can also be called the detection range, which can be understood as an area with the first target as the center and the detection radius planned, such as a circular area. Of course, in actual application, it may also be an area of ​​other shapes, which is not specifically limited in this application. Among them, the time information of the first target can be understood as the time information of the detection of the first target, for example, the timestamp information corresponding to the point cloud data of the detection of the first target. The position and posture of the first target detected at different times may be different, so the time information of the first target can be carried. In addition, in actual applications, the perception information of the first target may also include the motion trajectory information of the first target, such as the 3GPP area (for example, cell identifier or base station identifier or tracking area identifier or PLMN identifier) ​​passed by the first target or the trajectory formed by the geographic location coordinates of the first target, so as to determine the motion route of the first target. The perception information of the first target may also include the identification information of the first target, which is used to confirm the first target. For example, if there are two first targets at a certain location, the first targets can be specifically distinguished based on the identification. For example, the motion trajectories of multiple targets can be spliced ​​and distinguished, and different identifications are used to distinguish different targets.

[0165] In addition, the request message described in this application can be understood as a subscription message, and the acquisition message, etc. can be understood as a synonymous replacement here, and this application does not specifically limit it.

[0166] Usually, NWDAF needs to obtain relevant information of the user to determine the user associated with the first target. However, if NWDAF has already obtained or stored relevant information of the user based on previous processing operations, it is not necessary to obtain relevant information of the user from other network elements. In order to clearly illustrate the solution of this application, Figure 4 takes step 402 in which NWDAF obtains relevant information of the user as an example. However, the execution timing of step 402 is not limited here. It can be executed before step 401 or after step 402.

[0167] Step 402: NWDAF obtains the user's location information and user identification.

[0168] Specifically, NWDAF can obtain the user's location information and user identification from AMF or SF. Of course, in actual applications, the user's location information and user identification can also be obtained based on other network elements, for example, from OAM (operations, administration and maintenance), and from the tracking system. This application does not specifically limit this. Among them, the user's location information is the user's geographical location information, such as the latitude and longitude coordinates of the user, and the user's identification can be UE ID. The user mentioned in this application can be understood as the terminal. The user's location information is also the location information of the terminal, and the user's identification is also the terminal's identification. As mentioned above, the terminal's identification can include the future 6G or 7G identification, without limitation.

[0169] In addition, the NWDAF may actively / periodically obtain the user's location information and the user's identification, and may also obtain the user's location information and the user's identification after receiving a request message from the SF, which is not specifically limited in this application.

[0170] Step 403: NWDAF determines user information associated with the first target based on the perception information of the first target.

[0171] It should be noted that the NWDAF determines the user information associated with the first target based on the perception information of the first target, which can be understood as the NWDAF determining (determining can be replaced by generating / generating / obtaining) the user information associated with the first target with reference to the perception information of the first target and the user-related information obtained internally by the NWDAF. The associated user information of the first target can be interpreted as the user information corresponding to the first target / user information related to the first target, which can indicate that these users are more likely to be the users or responsible persons of the target. The detection area related to the first target can be interpreted as the area containing the location of the first target, for example, the area centered on the location of the first target, or the area containing the location of the first target. The area can be an area represented by geographic coordinates, or it can be an area represented by a cell identifier and / or a base station identifier and / or a tracking area identifier and / or a PLMN identifier.

[0172] Specifically, NWDAF can determine the location relationship based on the location information of the first target and the location of the user, where the location relationship can be the same location, within the distance threshold range, or not within the distance threshold range. In actual application, users with the same location or within the distance threshold range can be regarded as alternative users associated with the first target. For example, if the location information of the first target shows that the first target is located at location 1 and the location of user 1 is location 1, then it can be known that the first target and user 1 are at the same location, then user 1 can be determined as an alternative user of the user associated with the first target, and the identification of user 1 can be recorded. For example, if the location of user 1 is within the preset distance range, user 1 can be determined as an alternative user of the user not associated with the first target.

[0173] This application analyzes the perception information of the first target through the network data analysis function to determine the user information associated with the first target. In this way, the person responsible for the first target can be tracked, reducing the complexity and cost of supervision, and can be better applied to social life and practice. For example, the target person responsible for illegal drones can be found, the target person responsible for unmanned vehicles with abnormal trajectories can be found, and the target person responsible for stones placed on railways or roads can be tracked.

[0174] The range of user information associated with the first target determined in the above step 403 may be relatively large and the reliability is low. In order to improve reliability, in an optional implementation, NWDAF can obtain the user's perception information. In addition to the location information of the first target, NWDAF also determines the user information associated with the first target based on the user's perception information and at least one of the following, including: the appearance of the first target and the time of the first target. Among them, the user's perception information may include one or more of the following: the user's appearance (which can be understood as the user's identification information or appearance identification information or the user's appearance information, which is an expression form of long-distance biological information, and can also be called the user's shape, appearance, and user's outline, such as height, body shape, body width, gender, age group, face recognition information, etc. are not specifically limited here), the user's gait (which can be understood as the user's walking posture, gait recognition requires analysis and processing of image sequences of human body movements, usually including three processes of gait detection, gait representation and gait recognition, such as small steps, fast steps, walking style, habits, stride, etc.), the user's speed (that is, the user's moving speed), the user's distance (that is, the user's distance relative to the synesthesia device (such as a base station)), the user's angle (that is, the user's angle relative to the synesthesia device), the user's direction (which can be understood as the user's moving direction, for example, the direction relative to the synesthesia device (such as a base station) direction), the time of the user (that is, the time when the synaesthesia device senses / detects the user (for example, it can be the timestamp information of the point cloud)), the perception information of the user-associated object (which can be understood as the object related to the user or the target related to the user or the target object or the target object corresponding to the user, which can also be interpreted as the perception information of the target or target object carried / borne / held / remotely controlled / within a certain range from the user, such as the information of the object carried by the user, carrying can be understood as hand-held, head-mounted, back-borne, carried, remote-controlled, etc., which is not specifically limited here) and the user's biological information (which can be understood as the user's face recognition information, the user's fingerprint, the user's skin color, such as fingerprint, iris, facial features, and other precise identification information, for example, the user is a young girl, the user is an elderly aunt, the user has a special birthmark on the face, etc. This application is not specifically limited here. In actual application, the biological information can be determined in combination with the image information collected by the camera).

[0175] Specifically, NWDAF can determine the user information associated with the first target based on the location information of the first target, the appearance of the first target, the time of the first target, the user's perception information, the user's location information and the user's identification. It can be understood that NWDAF can obtain or determine the user's location information based on the location information of the first target. If the location is the same or the user's location is within a certain range from the location of the target, it is considered to be an associated user; further, the time information of the first target can be compared with the user's time information to filter out users with the same time information or within a time threshold range or a certain time period, and then the information of the user-associated object can be obtained; further, it can be determined that the user-associated object has the same appearance as the first target, then the user's identification can be counted or recorded, and then the identifications of these users can be recorded, and these users can be used as the user information associated with the first target.

[0176] In actual applications, NWDAF may determine user information associated with the first target based on the following combinations: the first target's location information and user perception information; the first target's location information, the first target's time information, and the user's perception information; the first target's appearance and the user's perception information; the first target's time information and the user's perception information; the first target's location information, the first target's appearance, and the user's perception information; the first target's location, the first target's time information, the first target's appearance, and the user's perception information. This application does not specifically limit the specific determination method.

[0177] It should be noted that the user's perception information may be obtained by the NWDAF from the SF. Specifically, the NWDAF may send a third message to the SF, and the third message is used to obtain the user's perception information. The NWDAF obtains the user's perception information from the SF. Specifically, the user's perception information may be obtained by creating a perception context (also known as a stereo context, twin context, etc., which are not specifically limited here) (including the user's perception information) in the SF, and the NWDAF sends a request message to the SF to obtain it. Alternatively, the NWDAF may subscribe to the SF to obtain it, or the NWDAF may periodically obtain it from the SF, without limitation.

[0178] The above-mentioned perception information may also be obtained by NWDAF from AMF. Specifically, NWDA sends a fourth message to AMF, and the fourth message is used to obtain the user's perception information; NWDA receives the user's perception information from AMF. Specifically, the user's perception context (including the user's perception information) can be created in AMF, and NWDAF sends a request message to AMF to obtain it. Alternatively, NWDAF can subscribe to SF for acquisition, or NWDAF can obtain it from SF periodically, without limitation.

[0179] With respect to the above step 403, in another optional implementation, the NWDAF determines the area where the first target is located (specifically, the area may be within the range of the detection area, or may be larger than the range of the detection area, such as the neighborhood range of the detection area, etc., which is not specifically limited here); the NWDAF determines the first user (i.e., the user whose user identity can be clearly identified) located in the area where the first target is located based on the user's location information. The NWDAF determines the user information associated with the first target based on the perception information of the first target and the perception information of the first user (such as the first user's identity, the first user's address information, etc., the first user's identity may come from the local or non-local, or both the local and non-local, which is not specifically limited here, wherein the local is the local core network such as the core network of operator 1, and the non-local is the non-local core network such as the core network of operator 2). Specifically, the NWDAF can determine whether the location information of the first target and the location information of the first user are the same or within a distance threshold or a distance range to determine whether the user is the user associated with the first target. If the distance is the same or within a distance threshold or a distance range, the user's identity is recorded. It should be noted that the NWDAF obtains the user information associated with the first target from the local and / or the user information associated with the first target obtained from the non-local. Local may refer to being stored or configured locally by the NWDAF; non-local may refer to being obtained by the NWDAF from other network elements, for example, obtaining the user identity corresponding to the first target from the NWDAF of other PLMNs.

[0180] Furthermore, since the first target may be in a constantly moving state, different detection areas can be determined based on the first target's current location. The number of user appearances within the detection area is counted, and users with the highest number of appearances are used as users associated with the first target. Specifically, NWDAF determines the number of user appearances within the detection area; NWDAF removes users whose number of appearances is less than or equal to a first parameter from the users associated with the first target, obtains a second user, and uses the second user as the user with the highest degree of association with the first target. The first parameter can be an integer or a character, without limitation.

[0181] In addition, in an optional embodiment, the NWDAF also receives a first message from the AF, where the first message is used to request the associated user information of the first target. The NWDAF may request the SF to obtain the associated user information of the first target (specifically, the request may be sent via an independent request message or multiplexed with other messages, which is not specifically limited in this application), and send the associated user information of the first target to the AF. The NWDAF obtaining the associated user information of the first target based on the AF's request can assist the AF (for example, a regulatory agency) in reducing regulatory costs and avoiding the resource overhead caused by the AF's large-scale screening of the associated users of the first target.

[0182] In an optional embodiment, the NWDAF also receives a second message from the AF, which is used to request the location information of the first target, or to obtain a notification of the first target (that is, whether the first target is found, and if the first target is found, a notification is reported); the NWDAF requests the SF to obtain the location information of the first target, or to obtain a notification of the first target (specifically, the request can be sent through an independent request message, or can be multiplexed with other messages, which is not specifically limited in this application); the NWDAF sends the location information of the first target, or obtains a notification of the first target to the AF. Requesting the NWDAF for the location information of the first target or obtaining a notification of the first target based on the AF's request trigger can promptly warn of abnormal targets, thereby avoiding loss of public resources or privacy leakage caused by abnormal targets entering the area.

[0183] It should be noted that the relevant example in Figure 4 above is mainly based on the determination of the associated user information of the first target by NWDAF, but in actual application, the associated user information of the first target can also be determined based on SF, which can be specifically understood with reference to Figure 5, wherein it can be executed based on the interaction between the perception network element and the perception requester. Of course, in the actual application function, other network elements may also be involved, and this application does not specifically limit this. Here, the perception network element is SF, the network data analysis function is NWDAF, the access and mobility management network element is AMF, and the perception requester is AF as an example. Execution is as follows:

[0184] Step 501: SF obtains user perception information, which includes user location information.

[0185] Specifically, SF can determine the user's perception information by itself, and can also obtain the user's perception information from other network elements such as AMF. This application does not specifically limit this. The user's perception information can be understood by referring to the description of step 403 in Figure 4 above and will not be repeated here.

[0186] Step 502: The AF sends a first message to the SF, where the first message is used to request associated user information of the first target.

[0187] Specifically, in actual application, the first message may be sent by the AF through the NWDAF, or through the NEF, or through other core network elements, which is not specifically limited in this application.

[0188] In addition, the AF may also send a second message to the SF, and the second message is used to request the location information of the first target, or to obtain a notification of the first target (that is, whether the first target is found, and if the first target is found, it is reported); the perception network element sends a response message of the second message to the perception requester. In actual application, the second message may also be sent by the AF through the NWDAF, or through the NEF, or through other core network elements, which is not specifically limited in this application. The response message of the second message may include the location information of the first target, or the notification of the first target, and may also include other information such as the perception message of the first target, etc., which is not specifically limited in this application.

[0189] In step 503, the SF obtains perception data, and obtains perception information of the first target based on the perception data. The perception information of the first target includes location information of the first target.

[0190] Specifically, the perception data may come from a telepathic device (e.g., a base station). After acquiring the perception data, the SF may process the data according to the process in FIG. 2 to obtain the perception information of the first target. This process is not described in detail here. Furthermore, the perception information of the first target may also include other information, which can be understood by referring to the description of step 401 in FIG. 4 above and is not further described here.

[0191] Step 504: SF sends the perception information of the first target and the user's perception information.

[0192] It should be noted that "obtain" in "obtain the perception information of the first target based on the perception data" can be replaced by "determine". In addition, "the perception network element sends the perception information of the first target and the user's perception information" does not just mean sending the perception information of the first target and the user's perception information to the same recipient at the same time. It can also mean sending the perception information of the first target and the user's perception information to different recipients in different messages. For example, the perception network element sends the perception information of the first target to the perception requester, the perception network element sends the user's perception information to the network data analysis function, or the perception network element sends the user's perception information to the access and mobility management network element. In addition, the perception requester can be replaced by an application function (AF) or a third party or a perception third party or a perception application, etc., without limitation. In addition, the use of the first message for requesting can also be understood as subscription, acquisition, etc. This application does not specifically limit this. "Perception information" can be replaced by "perception context" or "user stereo context" or "perception stereo context", etc. This application does not specifically limit the perception information.

[0193] It should be noted that the target objects of the perception information of the first target and the user's perception information are different, but the sending timing can be the same, and can be sent simultaneously or at different times. This application does not specifically limit this. The perception information SF of the first target can be sent to AF, and the perception information SF of the user can be sent to NWDAF or AMF. In Figure 5, step 504, SF sends the perception information of the first target to AF, and step 504, SF sends the perception information of the user to NWDAF for exemplary description.

[0194] This application uses a perception network element to determine user information associated with the first target based on perception data. In this way, the person responsible for the first target can be tracked, reducing the complexity and cost of supervision. It can be better applied to social life and practice. For example, the target person responsible for illegal drones can be found, the target person responsible for unmanned vehicles with abnormal trajectories can be found, and the target person responsible for stones placed on railways or roads can be tracked.

[0195] In actual application, to clarify the target object of step 504, the SF may receive a third message from the AMF. The third message is used to trigger the SF to obtain the perception information of the first user. The third message includes: the first user's identifier and the first user's first region; the SF obtains the first user's perception information; and the SF sends the first user's perception information to the NWDAF. The first user may be a registered user or an unregistered user after signing a contract or activating a card, which is not specifically limited in this application. In addition, the third message may carry only the first user's identifier or both the first user's identifier and the first region, which is not limited in this application.

[0196] SF can also receive a fourth message from AMF, where the fourth message is used to request the perception information of users in the first area, and the fourth message includes the first area where the first user is located; SF obtains the perception information of users in the first area; SF sends the perception information of users in the first area to AMF.

[0197] The first area is associated with the current connection management state (CM state) of the first user. For example, if the first user is in a connected state, the first area is a cell ID. If the first user is in an idle state, the first area can be a tracking area ID (TAI).

[0198] The trigger in this application can be understood as a request / instruction / notification / trigger, and the acquisition of the first user's perception information in this application can be replaced by generating / producing / determining / establishing / creating the first user's perception information.

[0199] It should be noted that the first area in the text may include: cell identifier (cell ID), base station / access network identifier, tracking area identifier / tracking area code (TAI / TAC), public land mobile network identifier (PLMN ID), service area identifier SAI, central unit CU ID, distribution unit identifier DU ID, transmission receiving point identifier TRP ID, etc., which are only described here as examples and are not specifically limited in this application.

[0200] In an optional embodiment, the SF sends a fifth message, which is used to request the acquisition of the associated user information of the first target, and the fifth message includes one or more of the following: the detection area related to the first target, the identifier of the first target, the trajectory information of the first target, and the location information of the first target; the SF receives a response message to the fifth message, and the response message to the fifth message includes: the associated user information of the first target; the SF determines the associated user information of the first target. Specifically, the SF may send the fifth message to the AMF, or the NWDAF, which is not specifically limited in this application. The AMF or the NWDAF may determine the user information associated with the first target based on one or more of the detection area of ​​the first target, the identifier of the first target, the motion trajectory information of the first target, and the location information of the first target.

[0201] Furthermore, since the first target may be in a state of constant movement, different detection areas can be determined based on different mobility states. The frequency or number of user appearances within the detection area is counted, and users with the highest frequency of appearance are identified as users associated with the first target. Specifically, the SF determines the number of user appearances within the detection area; the SF removes users whose number of appearances is less than or equal to a first parameter from the users associated with the first target, obtaining a second user, and identifying the second user as the user with the highest degree of association with the first target.

[0202] In addition, if the fifth message is sent by the SF to the AMF, the AMF may determine the identity of the first user within the detection area based on the detection area of ​​the first target; the AMF sends the identity of the first user to the SF. Specifically, the AMF may determine the corresponding RAN based on the detection area of ​​the first target, and the RAN may determine the identity of the first user. Specifically, the UE within the detection area may be determined based on the detection area and the range of the UE uplink advance amount. For example, a UE within the range of the UE uplink advance amount within the detection area may be regarded as the first user.

[0203] In order to more vividly describe the solution of this application, the following uses drones as an example to illustrate the first target. In actual application, drones include drones that are subject to remote control distance restrictions, such as the distance between the drone and the remote control is limited to 1.5 kilometers to 3 kilometers. It also includes drones that are not subject to remote control distance restrictions, such as a drone in Suzhou that can be controlled by a drone operator far away in Beijing. For example, a drone can be placed in a certain location and then take off automatically after a period of time and fly according to a preset track. Next, Figures 6 and 7 will introduce solutions applicable to both types of drones. Figures 8 to 16 will introduce solutions for drones subject to remote control distance restrictions.

[0204] In Figures 6 and 7, the user's perception information is obtained through the perception context. In one case, the perception context is determined by the AMF, and in the other case, the perception context is determined by the SF. The following describes each case separately. The execution is as follows:

[0205] Case 1: Determining the perception context based on AMF

[0206] Referring to the flowchart shown in FIG6 , the method can be illustrated by data interaction among UE, RAN, AMF, LMF, SF, NWDAF, and AF, and is performed as follows:

[0207] Step 601: UE registers to join the network.

[0208] Specifically, the UE can send a registration request to the AMF through the RAN to register for the network. This application does not specifically limit how the UE registers for the network, and can refer to the relevant process of the 3GPP technical specification TS23.502 for understanding.

[0209] After the UE registration is completed, the AMF triggers the execution of step 602 (including step 602a to step 602b) and step 603 (including step 603a to step 603d), where the execution order of step 602 and step 603 can be in no particular order, step 602 can be executed first, or step 603 can be executed first, or step 602 and step 603 can be executed simultaneously, which is not limited here.

[0210] Step 602a: AMF sends a request to LMF to obtain UE location information.

[0211] Specifically, the acquisition request may carry information of the first area (if the UE is in a connected state, the location reference information may be a cell ID; if the UE is in an idle state, the information of the first area may be a tracking area ID (TAI)), and may also carry identification information of the UE.

[0212] Step 602b: LMF executes the positioning process to obtain the location information of the UE.

[0213] Optionally, the location information may be geographic coordinate information, such as longitude and latitude information, etc. Specifically, the positioning process may refer to the relevant process of 3GPP technical specification TS23.273, which will not be described in detail here.

[0214] Step 603a: AMF sends a request to SF for acquiring perception information.

[0215] Specifically, the acquisition request may carry information of the first area (if the UE is in a connected state, the location reference information may be a cell ID; if the UE is in an idle state, the information of the first area may be a tracking area ID (TAI)).

[0216] Step 603b: RAN performs a sensing process for the sensing area.

[0217] Specifically, the RAN perception process can be understood with reference to FIG3 above, which will not be described in detail here. In addition, the perception area can be understood as the area where the UE's location reference information is located. For example, if the UE's location reference information is cell 1, then the required area is the area where cell 1 is located, or includes the area where the UE's location reference information is located. For example, if the UE's location reference information is cell 1, then the required areas are cell 1, cell 2, and cell 3, etc. This is only an exemplary description and is not specifically limited.

[0218] Step 603c: RAN reports the sensing data of the sensing area.

[0219] Specifically, the perception data may be RAN perception measurement data, including point cloud data, temperature data, and other data, which are not specifically limited here. Furthermore, the RAN may report the perception data periodically, such as every 100ms or 320ms. The perception data may also include timestamp information (i.e., the time of the sampling point of the electromagnetic wave echo).

[0220] In step 603d, the SF processes the sensing data to obtain sensing information, where the sensing information includes the location coordinates of the target (ie, UE).

[0221] Specifically, data processing includes clustering, tracking filtering, and other data processing operations. The position coordinates of the perceived target may be the position of a cluster of perceived targets. For example, target recognition may be performed based on a micro-Doppler recognition algorithm. Furthermore, target recognition imaging may be performed to obtain the human body's contour and gait information, position, speed, angle, direction, and time information. This may be understood with reference to the user's perception information in step 403 of FIG. 4 , and is not specifically limited here.

[0222] In step 604, the LMF sends a reply message of step 602a to the AMF, carrying the UE location information and the UE identifier.

[0223] In step 605, the SF sends a reply message of step 603a to the AMF, carrying the user's perception information.

[0224] In step 606, the AMF performs information binding or connection based on the messages in step 604 and step 605 to obtain the UE's perception context.

[0225] Specifically, the AMF can compare the UE's location information with the user's perception information to further bind to the user. Since the user's perception information can obtain the UE's location information, the LMF positioning can also obtain the UE's location information. By comparing the UE's location information, the perception information can be bound to the UE information, and the UE's identification, location, speed, angle, direction, profile information, gait information, and time information can be obtained. Therefore, the above information can be supplemented to the UE context. Compared with the traditional UE context, the UE context is supplemented with information and adds three-dimensional information (profile information, gait information, etc.). Therefore, the UE context can be called the UE's perception context, stereo context, or digital twin context.

[0226] NWDAF can periodically obtain user perception information from AMF, for example, in a subscription manner or a request reply manner.

[0227] Step 607: The AF sends an S1 message to the NWDAF.

[0228] Specifically, the S1 message can be a subscription request message, which can be sent via Nnwdaf_AnalyticsSubsacription_Subscribe request, or an analysis request message, which can be sent via Nnwdaf_AnalyticsInfo_Request. The request message can carry S1 information, where the S1 information is used to obtain information about users associated with SIM-less targets (for example, as an example of the first target, a SIM-less target can be an unauthorized drone, that is, it has not been authenticated and authorized in the core network, or in other words, it has no SIM card identification and is therefore not registered with the operator's network). In addition, the S1 information is also used to trigger the NWDAF to contact the SF (that is, without the S1 information, the NWDAF cannot be triggered to contact the SF).

[0229] Step 608: NWDAF sends a subscription or request message to SF according to the S1 message. The subscription message is used to subscribe to user information without SIM card target association.

[0230] Specifically, the user information associated with the target without a SIM card may be information of users around the target without a SIM card. The subscription message may be a new message or a multiplexed subscription message Nnwdaf_AnalyticsSubscription_Subscribe, and an additional information element may be added to represent the subscription of user information associated with the target without a SIM card.

[0231] Step 609: RAN performs sensing detection.

[0232] Specifically, perception detection can be understood with reference to Figure 3. Electromagnetic waves emitted by a target object will reflect. The radio frequency offset (RVA) spectrum is calculated using the characteristics of these electromagnetic waves, including frequency deviation, phase deviation, and delay. The RAN handles the digital signal processing, including I / Q data reception, ADC sampling, Fourier transform (FFT, IFFT), range, velocity, and angle RVA spectrum generation, and constant false alarm rate (CFAR) detection. The core network receives the perception data (using point cloud data as an example here), and then processes it, including general data processing (single-radio frame clustering, single-station multi-radio frame data correlation, and perception result generation (target trajectory information, target presence, target number, and target identification). The core network then makes this perception information available to the AF. Wide-area perception enables perception detection in scenarios such as the first takeoff point of an unconnected target or the first entry into a controlled area. It should also be noted that target trajectory information can be understood as a list of cells traversed and the duration of stay in each cell. It can also be understood as information consisting of geographic coordinates, such as an array or linked list of geographic coordinates.

[0233] Step 610: Establish a perception transmission tunnel.

[0234] Specifically, the RAN can establish a data transmission channel with the SF through control plane signaling interaction. Optionally, the data transmission channel can pass through the UPF. The RAN reports the data after perception measurement (e.g., point cloud data). The reporting period can be, for example, 100ms or 320ms, which is not limited in this application.

[0235] In step 611, the SF processes the point cloud data reported by the RAN.

[0236] Specifically, SF clusters and associates the reported point cloud data. Clustering can be understood as clustering of sampling points contained in a single wireless frame (for example, according to the relevant attributes of the point cloud data, the Euclidean distance between the point cloud data is calculated, and points below the threshold can form clusters) and data association of single-station multi-wireless frames. After the above operations, clusters can be formed one by one. The clusters also contain attributes such as position, RVA, and energy. Further, SF can form perception results (for example, the presence or absence of targets, the number of targets, target trajectory information, and target identification). According to step 603d, the position coordinates of the perceived target are obtained (that is, the position of the target cluster. For example, the micro-Doppler recognition algorithm can be used to distinguish between drones and flying birds. It belongs to the internal algorithm level and is not expanded in this application).

[0237] Step 612: SF sends a subscription reply message to NWDAF.

[0238] Specifically, the subscription reply message carries the target location without a SIM card and the detection area information.

[0239] In step 613, the NWDAF sends an S2 message to the AMF, where the S2 message requests the UE's awareness context.

[0240] Specifically, the S2 message sent by NWDAF can carry detection area information (for example, detection area information circled with the target location without SIM card as the center). If carried, the perception information of all users in the detection area will be obtained; it can also carry time information, that is, a period of time before the current time when there is no SIM card target.

[0241] In step 614, the AMF combines the detection area and time period to obtain the user's perception information within the corresponding area and time period (spatiotemporal relationship).

[0242] Specifically, the user's perception information (ie, the UE's perception context) includes UE ID, location, speed, angle, direction, profile information, gait information, and time information.

[0243] Step 615: AMF sends the UE's perception context to NWDAF.

[0244] Step 616: NWDAF sends a reply message to AF.

[0245] Specifically, the reply message carries not only the UE ID and the corresponding confidence level of the UE (that is, the confidence level corresponding to each ID, for example, the UE ID is a probability recommendation of the pilot, because NWDAF is an AI network element, which includes a combination of AI models and algorithms, and can be processed based on supervised learning algorithms or unsupervised learning algorithms), but also the trajectory information of the current target without a SIM card (that is, the trajectory connected by the positions of the target without a SIM card).

[0246] It should be noted that, in actual application, the above steps 607-608 may also be performed before step 601, and the above steps 609-611 may also be performed before step 601, which is not specifically limited in this application.

[0247] Case 2: Determining the perception context based on SF

[0248] Referring to the flowchart shown in FIG7 , the method can be illustrated by data interaction among UE, RAN, AMF, LMF, SF, NWDAF, and AF, and is performed as follows:

[0249] Step 701: UE registers to join the network.

[0250] This can be understood by referring to step 601 in FIG. 6 , and will not be described in detail here.

[0251] After the UE completes registration, the AMF triggers step 703 and notifies the SF to generate user perception information through step 703.

[0252] Step 703: AMF sends R1 message to SF.

[0253] Among them, the R1 message is used to notify the SF to generate user perception information. The R1 message may carry information of the first area (if the user is in a connected state, the location information may be a cell identifier (cell ID); if the user is in an idle state, the location information may be a tracking area identifier (TAI)) and also carry user identification information.

[0254] Optionally, before executing step 703, the AMF may select the LMF, that is, execute step 702.

[0255] Step 702: AMF selects LMF.

[0256] For example, AMF can select LMF based on the user's location information and also send the LMF ID to SF.

[0257] SF triggers the execution of step 704 (including step 704a to step 704c) and step 705 (including step 705a to step 705c), wherein the execution order of step 704 and step 705 can be in no particular order, step 704 can be executed first, or step 705 can be executed first, or step 704 and step 705 can be executed simultaneously, which is not limited here.

[0258] Step 704a: SF sends a request to obtain UE location information to LMF.

[0259] If the above step 702 is not executed, the SF may select the LMF to send an acquisition request. If the above step 702 is executed, the SF may send an acquisition request to the LMF selected by the AMF. The acquisition request may carry reference information of the first area (if the UE is in a connected state, the information of the first area may be a cell ID (cell ID); if the UE is in an idle state, the information of the first area may be a tracking area ID (TAI)) and also carry identification information of the UE.

[0260] Step 704b: LMF executes the positioning process to obtain the UE's location information.

[0261] Please refer to the above step 602b for understanding, which will not be repeated here.

[0262] Step 704c: LMF sends a response message of the acquisition request to SF.

[0263] Specifically, the response message includes the location information of the UE and the identification information of the UE.

[0264] Step 705a: RAN performs a sensing process for the sensing area.

[0265] Specifically, the RAN perception process can be understood with reference to FIG3 above, which will not be described in detail here. In addition, the perception area can be understood as the area where the UE's location reference information is located. For example, if the UE's location reference information is cell 1, then the required area is the area where cell 1 is located, or includes the area where the UE's location reference information is located. For example, if the UE's location reference information is cell 1, then the required areas are cell 1, cell 2, and cell 3, etc. This is only an exemplary description and is not specifically limited.

[0266] Step 705b: RAN reports the sensing data of the sensing area.

[0267] Specifically, the perception data may be RAN perception measurement data, including point cloud data, temperature data, and other data, which are not specifically limited here. Furthermore, the RAN may report the perception data periodically, such as every 100ms or 320ms. The perception data may also include timestamp information (i.e., the time of the sampling point of the electromagnetic wave echo).

[0268] In step 705c, the SF processes the sensing data to obtain sensing information, where the sensing information includes the location coordinates of the target (ie, UE).

[0269] Specifically, data processing includes data processing operations such as clustering and tracking filtering. The position coordinates of the perceived target may be the position of a cluster of perceived targets. For example, target recognition may be performed based on a micro-Doppler recognition algorithm. Furthermore, target recognition imaging may be performed to obtain the human body's contour and gait information, position, speed, angle, direction, contour information, gait feature information, time information, etc., which are not specifically limited here.

[0270] In step 706, the SF performs information binding based on the messages in step 704 and step 705 to obtain the perception context of the UE.

[0271] Specifically, SF can be further bound to the user based on the comparison of the UE's location information and the perception information. Since the perception information can obtain the UE's location information, LMF positioning can also obtain the UE's location information. By comparing the UE's location information, the perception information can be bound to the UE information, and the UE's identification, location, speed, angle, direction, profile information, gait information, and time information can be obtained. Therefore, the above information can be supplemented to the UE context. Compared with the traditional UE context, the UE context is supplemented with information and three-dimensional information (contour information, gait information, etc.). Therefore, the UE context can be called the UE's perception context, stereo context, or digital twin context. The traditional UE context can now be called the UE's stereo context, the UE's digital twin context, or the UE's perception context.

[0272] Step 707: NWDAF subscribes to or requests the UE's awareness context from SF.

[0273] Step 708: The SF sends the UE's perception context to the NWDAF.

[0274] In the above steps 707-708, NWDAF may periodically obtain the perception context obtained by SF in step 706, or SF may periodically notify NWDAF of the perception context obtained in step 706, or NWDAF may stop obtaining the perception context of the UE from SF after learning the user's profile and gait information. This application is not limited here.

[0275] Step 709: The AF sends an R2 message to the NWDAF.

[0276] Step 710: NWDAF sends a subscription message to SF according to the R2 message. The subscription message is used to subscribe to user information without SIM card target association.

[0277] Step 711: RAN performs sensing detection.

[0278] Step 712: Establish a perception transmission tunnel.

[0279] In step 713 , the SF processes the point cloud data reported by the RAN.

[0280] Step 714: SF sends a subscription reply message to NWDAF.

[0281] The above steps 709 to 714 can be understood with reference to steps 607 to 612 and will not be repeated here.

[0282] In step 715, NWDAF combines the detection area and time period to obtain the user's perception information within the corresponding area and time period (spatiotemporal relationship).

[0283] Specifically, NWDAF combines the information received from SF during the information collection phase (i.e., steps 707-708 above) and uses the no-SIM-card target location + time period + no-SIM-card target appearance identification information to filter the perception context of the relevant UE to determine the user's perception information. For example, the perception information of all users appearing at the no-SIM-card target location within the specified time period is used as a filtering parameter, or the user's perception information is filtered and determined based on the current no-SIM-card target corresponding spatiotemporal information. Optionally, if the appearance identification information of the no-SIM-card target is carried, it can also be used as one of the filtering parameters.

[0284] Step 716: NWDAF sends a reply message to AF.

[0285] The details can be understood by referring to step 616 in FIG6 , which will not be described in detail here.

[0286] It should be noted that, in actual application, the above steps 709 to 710 may also be performed before step 701 or after steps 711 to 714, which is not specifically limited in this application.

[0287] Next, we will introduce the solution for drones that are limited by remote control distance. First, we will briefly introduce the core processing idea through Figure 8. Based on the detection area of ​​the drone, the users in the area are circled. As the drone moves and the detection area changes, the users will also be continuously updated. Through continuous iterative updates, the users associated with the drone are determined. As shown in Figure 8, there are 10 users in the detection area at the beginning. As the detection area continues to change and update, the 10 users become 5, and finally become 3. These 3 users are then the users most associated with the drone.

[0288] Referring to the flowchart shown in FIG9 , the method can be illustrated by the data interaction between the drone target, RAN, AMF, LMF, SF, NWDAF, NWDAF of other PLAMNs, and AF, and is performed as follows:

[0289] Step 901: The AF sends a W1 message to the NWDAF.

[0290] Specifically, the W1 message can be a subscription request message, which can be sent via Nnwdaf_AnalyticsSubsacription_Subscribe request, or an analysis request message, which can be sent via Nnwdaf_AnalyticsInfo_Request. The request message can carry W1 information, where the first information is used to obtain information about users associated with SIM-less targets (for example, SIM-less targets can be unauthorized drones, that is, they have not been authenticated and authorized in the core network, or in other words, they do not have a SIM card identity and therefore are not registered with the operator's network). In addition, the W1 information is also used to trigger the NWDAF to contact the SF (that is, without the W1 information, the NWDAF cannot be triggered to contact the SF).

[0291] Optionally, AF also carries a detection area, which can be represented by a geographical area or a 3GPP area. The detection range itself is represented as a detection area extending from the location of the target without a SIM card. For example, a circle with the target without a SIM card as the center and the detection range as the radius is only used for distance description. In actual application, it is not necessarily a circle.

[0292] Step 902: NWDAF sends a subscription message to SF based on W1 information. The subscription message is used to subscribe to user information without SIM card target association.

[0293] Please refer to step 608 for understanding and will not be described in detail.

[0294] Step 903: RAN performs perception detection.

[0295] Specifically, perception detection can be understood with reference to Figure 3. Electromagnetic waves emitted by a target object will reflect. The radio frequency (RVA) spectrum is calculated using the characteristics of these electromagnetic waves, including frequency deviation, phase deviation, and delay. The RAN handles the digital signal processing, including I / Q data reception, ADC sampling, Fourier transform (FFT, IFFT), range, velocity, and angle RVA spectrum generation, and constant false alarm rate (CFAR) detection. The core network receives the perception data (using point cloud data as an example here), and then processes it, including general data processing (single-radio frame clustering, single-station multi-radio frame data correlation, and perception result generation (target trajectory information, target presence, target number, and target identification). The core network then makes this perception information available to the AF. Wide-area perception enables perception detection in scenarios such as the first takeoff point or the first entry into a controlled area for an unconnected target. It should also be noted that target trajectory information can be understood as a list of cells traversed and the duration of stay in each cell.

[0296] Step 904: Establish a perception transmission tunnel.

[0297] Specifically, the RAN can establish a data transmission channel with the SF through control plane signaling. Optionally, the data transmission channel can pass through the UPF. The RAN reports the data after perception measurement (e.g., point cloud data). The reporting period can be, for example, 100ms or 320ms, which is not limited in this application. Optionally, the transmission tunnel can pass through the UPF.

[0298] In step 905 , the SF processes the point cloud data reported by the RAN.

[0299] Specifically, SF clusters and associates the reported point cloud data. Clustering can be understood as clustering of sampling points contained in a single wireless frame (for example, according to the relevant attributes of the point cloud data, the Euclidean distance between the point cloud data is calculated, and points below the threshold can form clusters) and data association of single-station multi-wireless frames. After the above operations, clusters can be formed one by one. The clusters also contain attributes such as position, RVA, and energy. Further, SF can form perception results (for example, the presence or absence of targets, the number of targets, target trajectory information, and target identification). According to step 902, the position coordinates of the perceived target are obtained (that is, the position of the target cluster. For example, the micro-Doppler recognition algorithm can be used to distinguish between drones and flying birds. It belongs to the internal algorithm level and is not expanded in this application).

[0300] The SF assigns a temporary identifier to the perceived target in the perception result, and periodically sends the location of the perceived target and the detection area (the detection area can be a 3GPP area or the geographical area can be converted to a 3GPP area) to the NWDAF. The SF can determine the latest area as input to the NWDAF based on the location of the perceived target and the detection range period. Optionally, the SF can also combine input from radar and camera data for identification assistance. For example, after the SF obtains the location of the perceived target, it can use the camera to image the target. This is only an example and not a specific limitation.

[0301] Step 906: SF sends a subscription update message or a request message to NWDAF.

[0302] Specifically, the subscription update message can carry the temporary identification of the sensing target, the location information of the target without a SIM card, the detection area information, and the target's trajectory information (for example, angle and direction). Optionally, the subscription update message can be a new message, or it can reuse the Nnwdaf_AnalyticsSubscription_Subscribe message, which can be enhanced to carry the above fields, such as: temporary identification, location information of the target without a SIM card, detection area information, and target trajectory information.

[0303] In step 907, the NWDAF detects the area based on the temporary identifier, the location of the target without a SIM card, and obtains user information within the detection area from other network elements.

[0304] Optionally, if SF only provides the sensing target location and detection range, NWDAF can generate the detection area by itself. The other network elements may be AMF, SMF, UDM, OSS, trace system, LCS system, etc., as shown in Table 1 below. As shown in Table 1 below, SF can obtain UE identification information and UE location information (3GPP location and corresponding timestamp, for example, cell identifier, base station identifier, tracking area identifier or tracking area code (TAI or TAC)) from AMF; SF can obtain UE geographic location information (for example, latitude and longitude information or geographic area description information or location coordinate information) from GMLC; SF can obtain UE moving distance information from AMF. This is only an example and will not be expanded one by one.

[0305] Table 1

[0306] Step 908: The NWDAF sends a subscription message to the NWDAF of other PLMNs. The subscription message is used to subscribe to user information in the area around the target without a SIM card.

[0307] Specifically, the subscription message can be a new message used to subscribe to user information across operators, and can carry a temporary identifier of the sensing target, the location of the sensing target, the detection area, and provide a threshold for the amount of user information (that is, only the amount of user information specified by the threshold needs to be provided, for example, a certain integer value). In addition, the circled area in step 908 can be a detection area or can be larger than the circled area, which is not specifically limited in this application.

[0308] Step 909: The NWDAF of other PLMNs obtains user information within the defined area.

[0309] Specifically, the process may be performed with reference to step 907 , for example, the NWDAF of the other PLMN obtains the user information within the defined area from the local network element of the other PLMN, which is not specifically limited here.

[0310] Optionally, steps 905 to 909 are performed periodically to continuously update the information of users in the detection area.

[0311] Step 910: The NWDAF of the other PLMN replies to the NWDAF with a subscription message. The subscription reply message carries the temporary identifier of the sensing target and user information that is less than or equal to the user information amount threshold.

[0312] In addition, steps 908 to 910 take into account the fact that in real-world scenarios, the terminal devices (for example, mobile phones) that users in the circled area may carry are users of China Mobile, China Unicom, China Telecom, or China Broadcasting and Television (i.e., users of different operators); in addition, it is considered that not every operator may deploy the perception function (i.e., not every operator may deploy a perception base station and a perception function network element SF). In step 910, the temporary identification of the perception target is carried, and the user information is less than or equal to the user information volume threshold (wherein, the user information may include the user's identification information, and the identification information may be SUPI / IMSI, etc., and the user information volume threshold may be set taking into account the execution cost of the solution, such as the limited ability of the interface message to carry user information, and the user information volume threshold is the maximum amount of user information that can be carried).

[0313] Step 911: NWDAF replies to AF with a response message of the W1 message.

[0314] Specifically, the response message of the W1 message includes the session identifier or service identifier corresponding to the temporary identifier of the perception target, the UE IDs corresponding to the temporary identifier of the perception target, the trajectory information of the perception target, the UE confidence, etc., which are only illustrative here and not specifically limited.

[0315] Optionally, steps 905 to 910 are executed periodically to continuously update the response message of the W1 message.

[0316] It should be noted that the NWDAF may reply to the AF in step 911 after completing the summary processing, or may perform the NWDAF periodic processing and reply to the AF, which is not limited in this application. The summary processing may refer to the termination of the flight of the target without a SIM card (which can be understood as drawing a circle with the detection range for each position point on the trajectory, enclosing the SIM card user information within the circle, and summarizing the user information with a frequency exceeding a threshold within the specified range, that is, the number of SIM card users among the SIM card users associated with the target without a SIM card gradually decreases).

[0317] In addition, it should be noted that, in actual application, steps 903 to 905 may also be executed first. For example, steps 903 to 905 are processed first. If SF finds whether a SIM card target appears, the starting position coordinates of the relevant perception cluster (for example, if there are two targets, there are 2 starting coordinates) are sent to AF (for example, the regulatory agency) through a special notification message. Then AF initiates steps 901 to 902, and AF assigns an identifier corresponding to the reported starting position coordinates of the perception target. At this time, AF executes step 901, carrying the first information, the assigned temporary identifier, and the starting coordinates of the target corresponding to the temporary identifier. After receiving it, SF can distinguish different targets based on the starting coordinates of the target, or associate the starting coordinates with the corresponding temporary identifier assigned by AF. SF continues to execute the process after step 905.

[0318] Referring to the flowchart shown in FIG10 , the method can be illustrated by data interaction between the drone target, RAN, AMF, LMF, SF, NWDAF, NWDAF of other PLMNs, and AF, and is performed as follows:

[0319] Step 1001: AF sends an S1 message to SF.

[0320] Specifically, the S1 message carries the perception service type, the perception target area (for example, a geographical area, which may be an area represented by latitude and longitude coordinates), the perception QoS (for example, including distance resolution, speed resolution, angle resolution, refresh rate, maximum field of view (FOV)), the perception delay, etc. It also carries a request to subscribe to the notification of the SIM card-less target (that is, the notification of the detection of the SIM card-less target) and / or the latest location (the notification may include location information, for example, the location of the SIM card-less target and subsequent mobile location information).

[0321] Step 1002: SF sends an S1 message to AMF.

[0322] Step 1003: AMF sends an S1 message to RAN.

[0323] Specifically, the SF can determine the AMF with jurisdiction capabilities based on the perceived target area, and then determine the selection of RAN for perception detection through the AMF.

[0324] Step 1004: RAN performs sensing detection.

[0325] Step 1005: Establish a perception transmission tunnel.

[0326] In step 1006 , the SF processes the point cloud data reported by the RAN.

[0327] Specifically, reference may be made to steps 903 to 905 in FIG. 9 for understanding, which will not be described in detail here.

[0328] Step 1007: The SF sends a response message of the S1 message to the AF.

[0329] Specifically, the response message of the S1 message is used to notify the AF whether a SIM-free target appears. If a SIM-free target appears, it can also carry a service identifier (specifically, the service identifier can correspond to temporary identifiers of multiple SIM-free targets) and the location of the SIM-free target.

[0330] Step 1008: AF determines a detection area according to the current location of the target without a SIM card.

[0331] Step 1009: The AF sends a request message to the NWDAF.

[0332] The request message may be an analysis subscription request message (Nnwdaf_AnalyticsSubsacription_Subscribe request) or an analysis request message (Nnwdaf_AnalyticsInfo_Request), carrying a detection range area.

[0333] In step 1010, the NWDAF detects the area based on the temporary identifier, the location of the target without a SIM card, and obtains user information within the detection area from other network elements.

[0334] This can be understood by referring to step 907 in FIG. 9 , and will not be described in detail here.

[0335] Optionally, after receiving the message of step 1007, the AF may also trigger the execution of steps 901 to 911 in FIG. 9 , which is not specifically limited in this application.

[0336] Figures 9 and 10 above show user information determined based on NWDAF. The following examples determine user information through AMF, RAN, etc., without NWDAF. Figure 11 briefly illustrates the principle diagram. The telepathic device (i.e., RAN) senses that the drone can report point cloud data. After reporting to the SF, clustering processing is performed to determine the drone's location information. Based on the drone's location information, the AMF is requested for user information. The SF counts the user's appearance frequency to determine the user associated with the drone.

[0337] Referring to the flowchart shown in FIG12 , the method can be illustrated by the data interaction between the drone target, RAN, AMF1, AMF2, UPF, LMF, SF, NEF, and AF, and is performed as follows:

[0338] Step 1201: AF sends a W1 message to NEF.

[0339] Specifically, the W1 message carries the perception service type, the perception target area (for example, it can be a geographical area, and the geographical area can be an area represented by latitude and longitude coordinates), the perception QoS (for example, including distance resolution, speed resolution, angle resolution, refresh rate, maximum field of view (FOV)), the perception delay, etc. It also carries the detection area or detection range (which can be understood as the detection radius) for obtaining the user information around the target without a SIM card. Alternatively, it carries an indication message, which is used to request the information of users associated with the target without a SIM card (an example of the first target) or the information of surrounding users (the target without a SIM card, for example, can be an illegal drone, an intruding foreign object on a high-speed rail or a highway, such as an animal or a falling rock, etc.).

[0340] Step 1202: NEF sends a perception request message to SF.

[0341] Specifically, the perception request message carries relevant information elements of the W1 message.

[0342] In step 1203a, the SF sends a sensing request to the RAN through the AMF1.

[0343] Step 1203b: SF sends a perception request to RAN through AMF2.

[0344] Step 1204: RAN performs perception detection.

[0345] Step 1205: Establish a perception transmission tunnel.

[0346] In step 1206 , the SF processes the point cloud data reported by the RAN.

[0347] Specifically, reference may be made to steps 903 to 905 in FIG. 9 for understanding, which will not be described in detail here.

[0348] In addition, in step 1206, the SF determines the AMF according to the sensed target position and the circled detection area. FIG12 takes the AMF determined by the SF as AMF1 and AMF2 as an example for explanation.

[0349] Step 1207a: SF sends a UE identity acquisition request message to AMF1.

[0350] Step 1207b: SF sends a UE identity acquisition request message to AMF2.

[0351] Specifically, step 1207a and step 1207b may carry a temporary identifier of the sensed target, the location coordinates of the sensed target, a detection area or a detection radius.

[0352] Step 1208a: AMF1 determines relevant user information based on the detection area.

[0353] Step 1208b: AMF2 determines relevant user information based on the detection area.

[0354] Specifically, the user information is user information in a connected state (for example, AMF can obtain user location information (ULI) for users in a connected state. The NCGI (NR cell global identifier) ​​in the ULI contains a base station identifier and a cell identifier. Based on the base station identifier and / or the cell identifier, the user identifier under the jurisdiction of the base station can be determined), including the user identifier UE ID.

[0355] Step 1209a: AMF1 feeds back relevant user information to SF.

[0356] Step 1209b: AMF2 feeds back relevant user information to SF.

[0357] Specifically, the user information repository UE identification list fed back in step 1209a and step 1209b.

[0358] In step 1210, the SF counts the occurrence frequency or number of reported user information, and filters the user identifiers to determine the user identifiers associated with the perception target.

[0359] Specifically, the SF may retain the identifiers of UEs whose appearance frequency is greater than the appearance frequency threshold, and delete the identifiers of UEs whose appearance frequency is less than the appearance frequency threshold.

[0360] Optionally, before executing step 1210, the user-related location distribution can also be obtained based on the location service (LCS) LCS positioning mechanism (because LCS knows the correspondence between the user identifier and the user location, but SF knows the location of the perception target, so the two locations need to be connected).

[0361] In actual application, the position of the perception target is not fixed, and the detection area with the perception target as the center is also not fixed. Therefore, the above steps 1201 to 1210 can be executed periodically. As the detection area changes, the user identifier associated with the perception target will also be continuously updated. If one or several user identifiers are always in the user identifier list of SF statistics during the update of the detection area, then these user identifiers are considered to be the user identifiers with the highest correlation with the perception target.

[0362] Step 1211, SF sends a reply perception request to AF.

[0363] Specifically, step 1211 may carry a temporary identifier of the perception target, a trajectory of the perception target, a UE identifier list (including the confidence corresponding to each UE ID (specifically, the confidence can be determined in combination with the frequency of UE appearance and UE behavior information, and this application does not elaborate on the method for determining the confidence).

[0364] Considering that the UE may be in an idle state during actual application, in order to determine the user associated with the perception target more accurately, a paging process for the UE is added compared to the example in Figure 12. This method can be explained through the data interaction between the drone target, other UEs, RAN, AMF1, AMF2, UPF, LMF, SF, NWDAF and AF. Specifically, it can be performed as follows with reference to Figure 13:

[0365] Step 1301: AF sends a W1 message to NEF.

[0366] Step 1302: NEF sends a perception request message to SF.

[0367] Step 1303a: SF sends a sensing request to RAN via AMF1.

[0368] Step 1303b: SF sends a perception request to RAN via AMF2.

[0369] Step 1304: RAN performs perception detection.

[0370] Step 1305: Establish a perception transmission tunnel.

[0371] In step 1306 , the SF processes the point cloud data reported by the RAN.

[0372] Step 1307a: SF sends a UE identity acquisition request message to AMF1.

[0373] Step 1307b: SF sends a UE identity acquisition request message to AMF2.

[0374] The above steps 1301 to 1307b can be understood with reference to steps 1201 to 1207b in FIG. 12 and are not described in detail here.

[0375] Step 1308a: AMF1 triggers the RAN to notify the idle UE to switch to the connected state or to notify the idle UE to return to the connected state.

[0376] Step 1308b: AMF2 triggers the RAN to notify the idle UE to switch to the connected state or to notify the idle user to return to the connected state.

[0377] Step 1309: The RAN sends a paging message to page the UE in the idle state.

[0378] Specifically, the paging message may be a SIB message, or a message specifically used to paging the UE, which is not specifically limited in this application.

[0379] In step 1310a, AMF1 determines relevant user information based on the detection area.

[0380] Step 1310b: AMF2 determines relevant user information based on the detection area.

[0381] In step 1311a, AMF1 feeds back relevant user information to SF.

[0382] Step 1311b: AMF2 feeds back relevant user information to SF.

[0383] In step 1312, the SF counts the occurrence frequency of the reported user information, and filters the user identifiers to determine the user identifiers associated with the perception target.

[0384] Step 1313: SF sends a reply perception request to AF.

[0385] Specifically, the above steps 1310a to 1313 can be understood with reference to steps 1208a to 1211 in FIG. 12 , and are not described in detail here.

[0386] The above Figures 12 and 13 are based on the AMF to determine the user's identity, but in actual application, the user's identity can also be determined by the access network equipment (ie, RAN). Specifically, it can be understood with reference to Figure 14. The detection area of ​​the drone has been determined, and the uplink advance range of the UE can also be determined. As shown in Figure 14, the detection area includes the uplink advance range of UE1 (the area determined by the distance from the telepathic device to UE1 as the radius and UE1 as the center of the circle), the uplink advance range of UE2, and the uplink advance range of UE3 overlaps with the detection area. Therefore, RAN can report UE1 and UE2 to AMF, that is, the range of the reported uplink advance is located in the UE within the detection area.

[0387] This method can be explained through the data interaction between the drone target, RAN, AMF, LMF, SF, NEF, and AF. Since the execution operations of different AMFs are the same, only one is used as an example. Specifically, it can be performed as follows with reference to Figure 15:

[0388] Step 1501: AF sends a W1 message to NEF.

[0389] Step 1502: NEF sends a perception request message to SF.

[0390] Step 1503: SF sends a perception request to RAN through AMF.

[0391] Step 1504: RAN performs sensing detection.

[0392] Step 1505: Establish a perception transmission tunnel.

[0393] In step 1506 , the SF processes the point cloud data reported by the RAN.

[0394] Step 1507: SF sends a UE identity acquisition request message to AMF.

[0395] The above steps 1501 to 1507 can be understood with reference to steps 1201 to 1207b in FIG. 12 and are not described in detail here.

[0396] Step 1508: The AMF determines the identifier of the RAN based on the location information of the sensing target.

[0397] Specifically, the AMF can determine the base station RAN based on its own service range (that is, the base stations that can be connected) and the location of the perception target.

[0398] Step 1509: AMF requests the UE identifier from the RAN.

[0399] Specifically, in the above step 1509, the location information of the sensing target and the detection area information may be carried to request the RAN for the UE identifier.

[0400] In step 1510, the RAN calculates and determines the UE identifier within the area based on the location information of the sensing target and the detection area information in combination with the UE uplink advance TA.

[0401] Specifically, the UE identifier in step 1510 includes a temporary identifier RNTI allocated by the base station and an identifier NGAP UE ID used to identify the N2 interface for each user between the base station and the AMF.

[0402] Step 1511: RAN feeds back the UE identifier to the AMF.

[0403] Specifically, the UE identifier fed back by the RAN in step 1511 may be C-RNTI+NGAP UE IDs.

[0404] In step 1512, the AMF maps the UE identity fed back by the RAN into a SUPI or IMSI, and further determines the user context based on the SUPI or IMSI as the user information.

[0405] Step 1513: AMF feeds back relevant user information to SF.

[0406] In step 1514, the SF counts the occurrence frequency of the reported user information, and filters the user identifiers to determine the user identifiers associated with the perception target.

[0407] Step 1515: SF sends a reply sensing request to AF.

[0408] Specifically, the above steps 1511 to 1514 can be understood with reference to steps 1209a to 1211 in FIG. 12 , and are not described in detail here.

[0409] Considering that the UE may be in an idle state during actual application, in order to more accurately determine the user associated with the perception target, a paging process for the UE is added compared to the example in Figure 15. This method can be explained through the data interaction between the drone target, other UEs, RAN, AMF, LMF, SF, NWDAF and AF, and is performed as follows with reference to Figure 16:

[0410] Step 1601: AF sends a W1 message to NEF.

[0411] Step 1602: NEF sends a perception request message to SF.

[0412] Step 1603: SF sends a perception request to RAN through AMF.

[0413] Step 1604: RAN performs perception detection.

[0414] Step 1605: Establish a perception transmission tunnel.

[0415] In step 1606 , the SF processes the point cloud data reported by the RAN.

[0416] Step 1607: SF sends a UE identity acquisition request message to AMF.

[0417] The above steps 1601 to 1607 can be understood with reference to steps 1201 to 1207b in FIG. 12 and will not be described in detail here.

[0418] Step 1608: The AMF determines the identifier of the RAN based on the location information of the sensing target.

[0419] Specifically, the AMF can determine the base station RAN based on its own service range (that is, the base stations that can be connected) and the location of the perception target.

[0420] Step 1609: AMF requests the UE identity from the RAN.

[0421] Step 1610: The RAN sends a paging message to page the UE in the idle state.

[0422] Please refer to step 1309 for details, and this application will not go into details here.

[0423] In step 1611, the RAN calculates and determines the UE identifier within the area based on the location information of the sensed target and the detection area information in combination with the UE uplink advance TA.

[0424] Step 1612: RAN feeds back the UE identifier to the AMF.

[0425] Step 1613: The AMF maps the UE identity fed back by the AMF into SUPI as user information.

[0426] Step 1614: AMF feeds back relevant user information to SF.

[0427] In step 1615, the SF counts the occurrence frequency of the reported user information, and filters the user identifiers to determine the user identifiers associated with the perception target.

[0428] Step 1616, SF sends a reply perception request to AF.

[0429] Specifically, the above steps 1611 to 1614 can be understood with reference to steps 1209a to 1211 in FIG. 12 , and are not described in detail here.

[0430] The above mainly introduces the solution provided by the embodiment of the present application from the perspective of device interaction. It is understandable that, in order to implement the above functions, each device may include a hardware structure and / or software module that performs each function. Those skilled in the art should easily appreciate that, in combination with the units and algorithm steps of each example described in the embodiments disclosed herein, the embodiments of the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in a hardware or computer software driven hardware manner depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0431] In the embodiments of the present application, the functional units of the device can be divided according to the above method examples. For example, each functional unit can be divided according to each function, or two or more functions can be integrated into one unit. The above integrated unit can be implemented in the form of hardware or software functional units.

[0432] In the case of adopting an integrated unit, Figure 17 shows a possible exemplary block diagram of the communication device involved in the embodiments of the present application. As shown in Figure 17, the communication device 1700 may include: a processing unit 1701 and a transceiver unit 1702. The processing unit 1701 is used to control and manage the actions of the communication device 1700. The transceiver unit 1702 is used to support communication between the communication device 1700 and other devices. Optionally, the transceiver unit 1702 may include a receiving unit and / or a sending unit, which are used to perform receiving and sending operations respectively. Optionally, the communication device 1700 may also include a storage unit for storing program code and / or data of the communication device 1700. The transceiver unit may be referred to as an input / output unit, a communication unit, etc., and the transceiver unit may be a transceiver; the processing unit may be a processor. When the communication device is a module (such as a chip) in a communication device, the transceiver unit may be an input / output interface, an input / output circuit or an input / output pin, etc., and may also be referred to as an interface, a communication interface or an interface circuit, etc.; the processing unit may be a processor, a processing circuit or a logic circuit, etc. Specifically, the device may be the aforementioned perception network element, network data analysis function, access and mobility management network element, and perception requester, etc.

[0433] In one implementation, the communication device may be a perception network element, wherein the transceiver unit 1702 is used to obtain the user's perception information, which includes: the user's location information; the transceiver unit 1702 is also used to receive a first message, which is used to request associated user information of the first target; the processing unit 1701 is used to obtain perception data, and obtain the perception information of the first target based on the perception data, and the perception information of the first target includes the location information of the first target; the transceiver unit 1702 is also used to send the perception information of the first target and the user's perception information.

[0434] It should be noted that "obtain" in "obtain the perception information of the first target based on the perception data" can be replaced by "determine". In addition, "the perception network element sends the perception information of the first target and the user's perception information" does not just mean sending the perception information of the first target and the user's perception information to the same recipient at the same time. It can also mean sending the perception information of the first target and the user's perception information to different recipients in different messages. For example, the perception network element sends the perception information of the first target to the perception requester, the perception network element sends the user's perception information to the network data analysis function, or the perception network element sends the user's perception information to the access and mobility management network element. In addition, the perception requester can be replaced by an application function (AF) or a third party or a perception third party or a perception application, etc., without limitation. In addition, the use of the first message for requesting can also be understood as subscription, acquisition, etc. This application does not specifically limit this. "Perception information" can be replaced by "perception context" or "user stereo context" or "perception stereo context", etc. This application does not specifically limit the perception information.

[0435] This application uses a perception network element to determine user information associated with the first target based on perception data. In this way, the person responsible for the first target can be tracked, reducing the complexity and cost of supervision. It can be better applied to social life and practice. For example, the target person responsible for illegal drones can be found, the target person responsible for unmanned vehicles with abnormal trajectories can be found, and the target person responsible for stones placed on railways or roads can be tracked.

[0436] In an optional manner, the transceiver unit 1702 is configured to send the perception information of the first target to the perception requester.

[0437] Optionally, the transceiver unit 1702 is used to send the user's perception information to the network data analysis function, or the transceiver unit 1702 is used to send the user's perception information to the access and mobility management network element.

[0438] In an optional manner, the transceiver unit 1702 is used to receive a second message from the perception requester, where the second message is used to request the location information of the first target or to obtain notification of the first target; and send a response message to the second message to the perception requester.

[0439] In an optional manner, the transceiver unit 1702 is used to receive a third message from the access and mobility management network element, and the third message is used to trigger the perception network element to obtain the perception information of the first user. The third message includes: the identifier of the first user and the first area of ​​the first user; obtaining the perception information of the first user; and sending the perception information of the first user to the network data analysis function.

[0440] It should be noted that “the third message includes: the identifier of the first user and the first area of ​​the first user” can be understood as the third message only including the identifier of the first user or only including the first area of ​​the first user; it can also be understood as the third message including both the identifier of the first user and the first area of ​​the first user.

[0441] The trigger in this application can be understood as a request / instruction / notification / trigger, and the acquisition of the first user's perception information in this application can be replaced by generating / producing / determining / establishing / creating the first user's perception information.

[0442] It should be noted that the first area in the text may include: cell identifier (cell ID), base station / access network identifier, tracking area identifier / tracking area code (TAI / TAC), public land mobile network identifier (PLMN ID), service area identifier (service area id, SAI), central unit (central unit ID, CU ID), distributed unit identifier (Distributed Unit ID, DU ID), transmission reception point identifier (Tranmission Reception ID, TRP ID), etc., which are only described here as examples and are not specifically limited in this application.

[0443] In an optional manner, the transceiver unit 1702 is used to receive a fourth message from the access and mobility management network element, the fourth message is used to request perception information of users in the first area, and the fourth message includes the first area where the first user is located; the transceiver unit 1702 is used to obtain perception information of users in the first area; the transceiver unit 1702 is used to send perception information of users in the first area to the access and mobility management network element.

[0444] In an optional embodiment, the user's perception information also includes one or more of the following: the user's appearance, the user's gait, the user's outline, the user's speed, the user's distance, the user's angle, the user's direction, the user's time, the user's perception information of associated objects, and the user's biological information.

[0445] It should be noted that the user's outline / user's form can be understood as the user's identification information or appearance identification information or the user's appearance information, which is a form of expression of long-distance biological information. The perception information of the user-associated object can be understood as the user-related object or the user-related target or target object or the user's corresponding object or target object, which can also be interpreted as the perception information of the target or target object carried / held / held / remotely controlled / within a certain range from the user by the user. The user's biological information can include the user's facial recognition information, the user's fingerprint, the user's skin color, etc. The user's gait information can be understood as the user's walking posture. Gait recognition requires analysis and processing of image sequences of human body movements, which usually includes three processes: gait detection, gait representation, and gait recognition.

[0446] In an optional manner, the perception information of the first target further includes one or more of the following: the appearance of the first target, the detection area associated with the first target, the trajectory information of the first target, and the time information of the first target.

[0447] It should be noted that the appearance of the first target can be the appearance identification information of the first target, for example, the first target is a drone or a car or a flying bird or a stone, etc.; the trajectory information of the first target can be understood as the position information of the first target, for example, the trajectory information is composed of a string of position information; the time information of the first target can be understood as the time information when the first target appears or the time information when the first target is detected.

[0448] In an optional manner, the transceiver unit 1702 is used to send a fifth message, which is used to request the associated user information of the first target, and the fifth message includes one or more of the following: a detection area related to the first target, an identifier of the first target, motion trajectory information of the first target, and location information of the first target; the transceiver unit 1702 is used to receive a response message to the fifth message, and the response message to the fifth message includes: associated user information of the first target.

[0449] It should be noted that the associated user information of the first target can be interpreted as user information corresponding to the first target / user information related to the first target, which can indicate that these users are more likely to be users or responsible persons of the target. The detection area associated with the first target can be interpreted as an area containing the location of the first target, for example, an area centered on the location of the first target, or an area containing the location of the first target. The area can be an area represented by geographic coordinates, or an area represented by a cell identifier and / or a base station identifier and / or a tracking area identifier and / or a PLMN identifier.

[0450] In an optional manner, the processing unit 1701 is configured to determine associated user information of the first target.

[0451] In an optional manner, the processing unit 1701 is configured to determine the number of occurrences of users in the detection area; and remove users whose number of occurrences is less than or equal to the first parameter from users associated with the first target to obtain a second user.

[0452] In one implementation, the communication device may be a network data analysis function, and the transceiver unit 1702 is used to receive perception information of a first target from a perception network element, where the perception information of the first target includes location information of the first target; the processing unit 1701 is used to determine user information associated with the first target based on the perception information of the first target, where the user information associated with the first target includes user location information and user identification.

[0453] It should be noted that the word "determine" can be replaced by "produce / generate / acquire". This application uses the network data analysis function to analyze the perception information of the first target to determine the user information associated with the first target. In this way, the person responsible for the first target can be tracked, reducing the complexity and cost of supervision. It can be better applied to social life and practice. For example, the target person responsible for illegal drones can be found, the target person responsible for unmanned vehicles with abnormal trajectories can be found, and the target person responsible for stones placed on railways or roads can be tracked.

[0454] In an optional manner, the transceiver unit 1702 is also used to receive a first message from the perception requester, where the first message is used to request associated user information of the first target; request the perception network element to obtain the user's perception information, where the user's perception information includes associated user information of the first target; and the network sends the associated user information of the first target to the perception requester.

[0455] It should be noted that the request can be replaced by subscription / acquisition. Issuing a network data analysis function based on the request of the perception requester to obtain the associated user information of the first target can assist the perception requester (for example, a regulatory agency) in reducing regulatory costs and avoiding the resource overhead caused by the AF through large-scale screening of the associated users of the first target.

[0456] In an optional manner, the transceiver unit 1702 is used to receive a second message from the perception requester, where the second message is used to request the location information of the first target, or to obtain a notification of the first target; the transceiver unit 1702 is used to request the perception network element to obtain the location information of the first target, or to obtain a notification of the first target; the transceiver unit 1702 is used to send the location information of the first target, or to send a notification of the first target to the perception requester.

[0457] Based on the request of the perception requester, the network data analysis function is requested for the location information of the first target, or the notification for obtaining the first target can be used to promptly warn the abnormal target, thereby avoiding the loss of public resources or privacy leakage caused by the abnormal target entering the area.

[0458] In an optional manner, the perception information of the first target further includes one or more of the following: the appearance of the first target, the detection area associated with the first target, the trajectory information of the first target, and the time information of the first target.

[0459] In an optional embodiment, the user's perception information also includes one or more of the following: the user's appearance, the user's gait, the user's speed, the user's outline, the user's distance, the user's angle, the user's direction, the user's time, the user's perception information of associated objects, and the user's biological information.

[0460] In an optional manner, the transceiver unit 1702 is configured to send a third message to the perception network element, where the third message is used to obtain the user's perception information.

[0461] In an optional manner, the transceiver unit 1702 is used to send a fourth message to the access and mobility management network element, where the fourth message is used to obtain user perception information; the transceiver unit 1702 is used to receive user perception information from the access and mobility management network element.

[0462] In an optional manner, the processing unit 1701 is used to determine user information associated with the first target based on the user's perception information and the perception information of the first target, where the perception information of the first target includes one or more of the following: location information of the first target, appearance of the first target, and time of the first target.

[0463] In an optional manner, the processing unit 1701 is configured to determine an area where the first target is located; and the processing unit 1701 is configured to determine a first user located in the area where the first target is located according to the user's location information.

[0464] In an optional manner, the processing unit 1701 is configured to determine user information associated with the first target based on the perception information of the first target and the perception information of the first user.

[0465] In an optional manner, the processing unit 1701 is configured to obtain the user information associated with the first target locally and / or obtain the user information associated with the first target from a non-local location.

[0466] It should be noted that local may refer to being stored or configured locally by the NWDAF; non-local may refer to being obtained by the NWDAF from other network elements, for example, obtaining the user identity corresponding to the first target from the NWDAF of other PLMNs.

[0467] In an optional manner, the processing unit 1701 is configured to determine the number of occurrences of users in the detection area; and remove users whose number of occurrences is less than or equal to the first parameter from users associated with the first target to obtain a second user.

[0468] In one embodiment, the communication device can be an access and mobility management network element, and the transceiver unit 1702 is used to receive the user's registration request message; the transceiver unit 1702 is used to send a first message to the perception network element, and the first message is used to trigger the perception network element to obtain the perception information of the first user. The first message includes: the identifier of the first user and the first area of ​​the first user.

[0469] It should be noted that the access and mobility management network element may send the first message after receiving the user's request message, or may send the first message after receiving the registration reception message, which is not specifically limited in this application. The first message includes the identifier of the first user and the first area of ​​the first user. The first message may include only the identifier of the first user, or only the first area of ​​the first user, or both the identifier of the first user and the first area of ​​a single user.

[0470] In an optional manner, the transceiver unit 1702 is used to send a second message to the perception network element, where the second message is used to request perception information of users in the first area, and the second message includes the first area where the first user is located; the transceiver unit 1702 is used to receive perception information of users in the first area from the perception network element.

[0471] In an optional manner, the transceiver unit 1702 is used to receive a third message from the network data analysis function, where the third message is used to obtain the user's perception information; the transceiver unit 1702 is used to send the user's perception information to the network data analysis function.

[0472] In an optional embodiment, the user's perception information includes one or more of the following: user's location information, user's form, user's gait, user's outline, user's speed, user's distance, user's angle, user's direction, user's time, user's perception information of associated objects, and user's biological information.

[0473] In an optional manner, the transceiver unit 1702 is used to receive a fourth message from the perception network element, where the fourth message is used to request the associated user information of the first target, and the fourth message includes one or more of the following: a detection area related to the first target, an identifier of the first target, motion trajectory information of the first target, and location information of the first target; the access and mobility management network element determines the associated user information of the first target; the transceiver unit 1702 is used to send the associated user information of the first target to the perception network element.

[0474] In an optional manner, the transceiver unit 1702 is used to receive a fifth message from the perception network element, where the fifth message is used to request user information associated with the first target, and the fifth message includes the detection area of ​​the first target; the processing unit 1701 is used to determine the first access network device located in the detection area based on the detection area of ​​the first target.

[0475] In an optional manner, the transceiver unit 1702 is used to send a sixth message to the first access network device, where the sixth message is used to request the identification of the first user in the detection area; the transceiver unit 1702 is used to receive the identification of the first user from the first access network device; and the access and mobility management network element determines the information of the first user based on the logical identification of the first user.

[0476] In one embodiment, the communication device may be a perception requester, and the transceiver unit 1702 is configured to send a first message, where the first message is used to request associated user information of the first target or the first message is used to request notification of the first target.

[0477] In one embodiment, the communication device may be a perception network element, and the transceiver unit 1702 is used to receive a first message from the access and mobility management network element, the first message is used to trigger the perception network element to obtain the perception information of the first user, and the first message includes: the identifier of the first user and the first area of ​​the first user; the transceiver unit 1702 is used to obtain the perception information of the first user; the transceiver unit 1702 is used to send the perception information of the first user to the network data analysis function.

[0478] In one embodiment, the communication device may be a perception network element, and the transceiver unit 1702 is used to receive a first message from the access and mobility management network element, the first message being used to request perception information of users in the first area, and the first message including the first area where the first user is located; the transceiver unit 1702 is used to obtain perception information of users in the first area; the transceiver unit 1702 is used to send perception information of users in the first area to the access and mobility management network element.

[0479] As shown in Figure 18, this application also provides a communication device 1800. Communication device 1800 can be a chip or a chip system. The communication device can be located in the device involved in any of the above method embodiments, such as an access network device or a first core network device, to perform the corresponding actions of the device.

[0480] Optionally, the chip system may consist of the chip, or may include the chip and other discrete devices.

[0481] The communication device 1800 includes a processor 1810 .

[0482] The processor 1810 is configured to execute the computer program stored in the memory 1820 to implement the actions of each device in any of the above method embodiments.

[0483] The communication device 1800 may further include a memory 1820 for storing computer programs.

[0484] Optionally, memory 1820 and processor 1810 are coupled. Coupling is an indirect coupling or communication connection between devices, units, or modules, and can be electrical, mechanical, or other forms, for information exchange between devices, units, or modules. Optionally, memory 1820 and processor 1810 are integrated.

[0485] The processor 1810 and the memory 1820 can be one or more without limitation.

[0486] Optionally, in actual applications, the communication device 1800 may or may not include a transceiver 1830, as illustrated by a dashed box in the figure. The communication device 1800 can exchange information with other devices via the transceiver 1830. The transceiver 1830 can be a circuit, a bus, a transceiver, or any other device capable of exchanging information.

[0487] In a possible implementation, the communication device 1800 may be an access network device or a first core network device in the implementation of the above methods.

[0488] The specific connection medium between the transceiver 1830, processor 1810, and memory 1820 is not limited in the embodiments of the present application. In FIG18 , the memory 1820, processor 1810, and transceiver 1830 are connected via a bus. The bus is represented by a bold line in FIG18 . The connection between other components is for illustrative purposes only and is not intended to be limiting. Buses can be classified as address buses, data buses, control buses, etc. For ease of illustration, FIG18 uses only a single bold line, but this does not imply that there is only one bus or type of bus. In the embodiments of the present application, the processor can be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field-programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present application. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of the present application can be directly executed by a hardware processor or by a combination of hardware and software modules within the processor.

[0489] In an embodiment of the present application, the memory may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., or a volatile memory (volatile memory), such as a random-access memory (RAM). The memory may also be any other medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto. The memory in an embodiment of the present application may also be a circuit or any other device that can implement a storage function, for storing computer programs, program instructions and / or data.

[0490] Based on the above embodiments, referring to FIG19 , the embodiment of the present application also provides another communication device 1900, including: an interface circuit 1910 and a logic circuit 1920; the interface circuit 1910 can be understood as an input and output interface, which can be used to execute the receiving and sending steps of each device in any of the above method embodiments, and the logic circuit 1920 can be used to run code or instructions to execute the method executed by each device in any of the above embodiments, which will not be repeated.

[0491] Based on the above embodiments, embodiments of the present application further provide a computer-readable storage medium storing instructions that, when executed, implement the method executed by each device in any of the above method embodiments. For example, the method executed by the NWDAF or SF in the embodiment shown in FIG4 is implemented. The computer-readable storage medium may include various media capable of storing program code, such as a USB flash drive, a mobile hard drive, a read-only memory, a random access memory, a magnetic disk, or an optical disk.

[0492] Based on the above embodiments, an embodiment of the present application provides a communication system, which includes the perception network element, network data analysis function and access and mobility management network element mentioned in any of the above method embodiments, and can be used to execute the method executed by each device in any of the above method embodiments.

[0493] In addition, the above-mentioned communication system may further include a terminal (eg, UE), which may perform data interaction with an access network device and a core network device to execute a related method in any of the above-mentioned method embodiments.

[0494] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, compact disc read-only memory (CD-ROM), optical storage, etc.) containing computer-usable program code.

[0495] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0496] These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce a manufactured product including an instruction device that implements the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0497] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, so that the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

Claims

1. A communication method, characterized in that: include: The perception network element obtains the user's perception information, where the user's perception information includes: the user's location information; The perception network element receives a first message, where the first message is used to request associated user information of the first target; The perception network element acquires perception data, and acquires perception information of the first target according to the perception data, where the perception information of the first target includes location information of the first target; The perception network element sends the perception information of the first target and the perception information of the user.

2. The method according to claim 1, characterized in that: The perception network element sends the perception information of the first target and the perception information of the user, including: The perception network element sends the perception information of the first target to the perception requester.

3. The method according to claim 1, characterized in that The perception network element sends the perception information of the first target and the perception information of the user, including: The perception network element sends the user's perception information to a network data analysis function, or, The perception network element sends the user's perception information to an access and mobility management network element.

4. The method according to any one of claims 1 to 3, characterized in that: The method further comprises: The perception network element receives a second message from a perception requester, where the second message is used to request location information of the first target or to obtain a notification of the first target; The perception network element sends a response message of the second message to the perception requester.

5. The method according to claim 3, characterized in that: The method further comprises: The perception network element receives a third message from the access and mobility management network element, where the third message is used to trigger the perception network element to obtain perception information of the first user, and the third message includes: an identifier of the first user and a first area of ​​the first user; The perception network element obtains the perception information of the first user; The perception network element sends the user's perception information to the network data analysis function, including: The perception network element sends the perception information of the first user to the network data analysis function.

6. The method according to claim 3, characterized in that The method further comprises: The perception network element receives a fourth message from the access and mobility management network element, where the fourth message is used to request to obtain perception information of users in the first area, and the fourth message includes the first area where the first user is located; The perception network element obtains perception information of users in the first area; The perception network element sends the perception information of the user to the access and mobility management network element, including: The perception network element sends the perception information of users in the first area to the access and mobility management network element.

7. The method according to any one of claims 1 to 6, characterized in that: The user's perception information also includes one or more of the following: the user's appearance, the user's gait, the user's speed, the user's outline, the user's distance, the user's angle, the user's direction, the user's time, perception information of the user-associated objects, and the user's biological information.

8. The method according to any one of claims 1 to 7, characterized in that: The perception information of the first target also includes one or more of the following: The appearance of the first target, the detection area associated with the first target, the motion track information of the first target, and the time information of the first target.

9. The method according to any one of claims 1 to 3 or 5, characterized in that: The method further comprises: The perception network element sends a fifth message, where the fifth message is used to request to obtain the associated user information of the first target, and the fifth message includes one or more of the following: a detection area related to the first target, an identifier of the first target, track information of the first target, and location information of the first target; The perception network element receives a response message to the fifth message, where the response message to the fifth message includes: associated user information of the first target.

10. The method according to claim 9, characterized in that The method further comprises: The perception network element determines associated user information of the first target.

11. The method according to claim 10, characterized in that The sensing network element determines the associated user information of the first target including: The sensing network element determines the number of occurrences of users in the detection area; The perception network element deletes users whose appearance times are less than or equal to a first parameter from users associated with the first target to obtain a second user.

12. A communication method, characterized in that: include: The network data analysis function receives the perception information of the first target from the perception network element, where the perception information of the first target includes the location information of the first target; The network data analysis function determines user information associated with the first target based on the perception information of the first target, where the user information associated with the first target includes user location information and an identifier of the user.

13. The method according to claim 12, characterized in that The method further comprises: The network data analysis function receives a first message from a perception requester, the first message being used to request associated user information of the first target; The network data analysis function requests the perception network element to obtain the user's perception information, where the user's perception information includes the associated user information of the first target; The network data analysis function sends the associated user information of the first target to the perception requester.

14. The method according to claim 12, characterized in that The method further comprises: The network data analysis function receives a second message from a perception requester, the second message being used to request location information of the first target or to obtain a notification of the first target; The network data analysis function requests the perception network element to obtain the location information of the first target, or obtains a notification of the first target; The network data analysis function sends the location information of the first target, or sends a notification of the first target to the perception requester.

15. The method according to any one of claims 12 to 14, characterized in that: The perception information of the first target also includes one or more of the following: the appearance of the first target, the detection area associated with the first target, the trajectory information of the first target, and the time information of the first target.

16. The method according to any one of claims 12 to 15, characterized in that: The method further comprises: The network data analysis function sends a third message to the perception network element, and the third message is used to obtain the user's perception information.

17. The method according to any one of claims 12 to 15, characterized in that: The method further comprises: The network data analysis function sends a fourth message to the access and mobility management network element, where the fourth message is used to obtain user perception information; The network data analysis function receives perception information of the user from the access and mobility management network element.

18. The method according to claim 16 or 17, characterized in that The user's perception information includes one or more of the following: the user's appearance, the user's gait, the user's outline, the user's speed, the user's distance, the user's angle, the user's direction, the user's time, perception information of the user-associated objects, and the user's biological information.

19. The method according to claim 18, characterized in that The determining the user information associated with the first target according to the perception information of the first target includes: The network data analysis function determines the user information associated with the first target based on the user's perception information and the first target's perception information, wherein the first target's perception information includes one or more of the following: location information of the first target, appearance of the first target, and time of the first target.

20. The method according to any one of claims 12 to 19, characterized in that: The method further comprises: The network data analysis function determines the area where the first target is located; The network data analysis function determines a first user located in an area where the first target is located according to the user's location information.

21. The method according to claim 20, characterized in that The method further comprises: The network data analysis function determines user information associated with the first target based on the perception information of the first target and the perception information of the first user.

22. The method according to claim 21, characterized in that The network data analysis function determines the user information associated with the first target, including: The network data analysis function obtains the user information associated with the first target locally and / or obtains the user information associated with the first target non-locally.

23. The method according to claim 21 or 22, characterized in that The determining the user information associated with the first target includes: The network data analysis function determines the number of occurrences of users within the detection area; The network data analysis function deletes users whose occurrence times are less than or equal to the first parameter from users associated with the first target, and obtains a second user.

24. A communication method, characterized in that: include: The access and mobility management network element receives a registration request message from the user; The access and mobility management network element sends a first message to the perception network element, where the first message is used to trigger the perception network element to obtain perception information of the first user, and the first message includes: an identifier of the first user and a first area of ​​the first user.

25. The method according to claim 24, characterized in that The method further comprises: The access and mobility management network element sends a second message to the perception network element, where the second message is used to request to obtain perception information of users in the first area, and the second message includes the first area where the first user is located; The access and mobility management network element receives perception information of users in the first area from the perception network element.

26. The method according to claim 25, characterized in that The method further comprises: The access and mobility management network element receives a third message from the network data analysis function, where the third message is used to obtain user perception information; The access and mobility management network element sends the user's perception information to the network data analysis function.

27. The method according to any one of claims 24 to 26, characterized in that: The user's perception information includes one or more of the following: the user's location information, the user's appearance, the user's outline, the user's form, the user's gait, the user's outline, the user's speed, the user's distance, the user's angle, the user's direction, the user's time, perception information of the user-associated objects, and the user's biological information.

28. The method according to claim 25, characterized in that The method further comprises: The access and mobility management network element receives a fourth message from the perception network element, where the fourth message is used to request to obtain associated user information of the first target, and the fourth message includes one or more of the following: a detection area related to the first target, an identifier of the first target, track information of the first target, and location information of the first target; The access and mobility management network element determines the associated user information of the first target; The access and mobility management network element sends the associated user information of the first target to the perception network element.

29. A communication device, characterized in that: include: A functional module for implementing the method according to any one of claims 1 to 28.

30. A communication device, characterized in that: include: at least one processor and memory; The memory is used to store computer programs or instructions; The at least one processor is configured to execute the computer program or instructions so that the method according to any one of claims 1 to 28 is performed.

31. A chip system, characterized in that: The chip system comprises: a processing circuit; the processing circuit is coupled to a storage medium; The processing circuit is used to execute part or all of the computer programs or instructions in the storage medium, and when the part or all of the computer programs or instructions are executed, it is used to implement the method according to any one of claims 1 to 28.

32. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores instructions, and when the instructions are executed by a computer, the method according to any one of claims 1 to 28 is executed.

33. A computer program product comprising a computer program or instructions, characterized in that When it is run on a computer, the method described in any one of claims 1 to 28 is executed.

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