Terminal device selection method, information sending method, and related apparatus

Abstract

A terminal device selection method, an information sending method, and a related apparatus. The terminal device selection method comprises: receiving first information, the first information being used for indicating information of at least one candidate terminal device, and the at least one candidate terminal device being a candidate terminal device used for executing a sensing process; and selecting at least one target terminal device on the basis of the first information, wherein the at least one target terminal device is used for executing the sensing process. In this way, a sensing network element or an access network device selects a proper terminal device on the basis of the first information so as to participate in the sensing process, improving the sensing precision.

Description

Terminal device selection method, information sending method and related apparatus

[0001] The present application claims priority from the Chinese patent application No. 202410471328.5 filed on April 16, 2024, and entitled "Terminal device selection method, information sending method and related apparatus", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of communication technology, in particular to a terminal device selection method, an information sending method and related apparatus. BACKGROUND

[0003] Wireless communication and sensing fusion is one of the key technologies of the 5th generation (5G) mobile communication, which can be widely applied in typical application scenarios such as intelligent transportation, intelligent low-altitude, intelligent network, etc. Wireless communication and sensing fusion realizes unified design of communication function and sensing function through signal joint design, hardware sharing and other means. The sensing in wireless communication and sensing fusion can be understood as wireless sensing technology based on communication system. For example, the base station transmits wireless signals to the target object and receives the echo signals reflected by the target object. The base station obtains corresponding sensing measurement quantities by analyzing the echo signals. For example, the number, position, moving speed of the target object, identity recognition of the target object, etc.

[0004] At present, there are mainly two kinds of sensing scenarios, which are per-area sensing scenario and per-object sensing scenario. The per-area sensing scenario is introduced as follows. The sensing network element can receive a sensing request. The sensing request includes area information or position information of a target sensing area. The sensing network element can select a corresponding terminal device, and the terminal device can jointly implement the sensing process with the base station or other terminal devices.

[0005] For the area sensing service, the participation and assistance of the terminal device are required in some scenarios, however, how to select a suitable terminal device to participate in the sensing process is a problem worth considering. SUMMARY

[0006] The present application provides a terminal device selection method, an information sending method and related apparatus, which are used for realizing that the sensing network element or the access network device selects a suitable terminal device to participate in the sensing process based on the first information, and improving the sensing accuracy.

[0007] The first aspect of the present application provides a terminal device selection method, which can be performed by a sensing network element or an access network device, or implemented by a component (for example, a processor, a chip, or a chip system or a chip module, etc.) corresponding to the sensing network element or the access network device respectively, or implemented by a logic module or software capable of implementing all or part of the functions of the sensing network element or the access network device, or implemented by a logic module or software capable of implementing all or part of the sensing network element or the access network device. The method comprises: the sensing network element or the access network device receiving first information, the first information being used to indicate information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device used to perform a sensing process; and the sensing network element or the access network device selecting at least one target terminal device according to the first information, the at least one target terminal device being used to perform the sensing process. Thus, the sensing network element or the access network device selects a suitable terminal device to participate in the sensing process based on the first information, and the sensing accuracy is improved. Optionally, the at least one candidate terminal device can also be described as: the at least one candidate terminal device being a terminal device that can be used to perform the sensing process; or the at least one candidate terminal device being a terminal device that is expected or desired to perform the sensing process.

[0008] Based on the first aspect, in a possible implementation, the method is applied to a sensing network element; and the sensing network element receives the first information, comprising: the sensing network element receiving the first information from an access network device, a core network device, or a positioning network element; or the method is applied to an access network device; and the access network device receives the first information, comprising: the access network device receiving the first information from a core network device or a positioning network element. Thus, the sensing network element or the access network device acquires the information of the at least one candidate terminal device.

[0009] Based on the first aspect, in a possible implementation, before the sensing network element or the access network device receives the first information, the method further comprises: the sensing network element or the access network device sending a first request, the first request being used to request information of a candidate terminal device used to perform the sensing process. Thus, the sensing network element or the access network device actively requests the information of the candidate terminal device, so as to select a suitable terminal device to participate in the sensing process, and improve the sensing performance and the sensing accuracy.

[0010] Based on the first aspect, in a possible implementation, the method is applied to a sensing network element, and the sensing network element sends the first request, comprising: the sensing network element sending the first request to an access network device, a core network device, or a positioning network element; or the method is applied to an access network device, and the access network device sends the first request, comprising: the access network device sending the first request to a core network device or a positioning network element. In this implementation, some possible schemes for the sensing network element or the access network device to request the information of the candidate terminal device are provided, and the implementation of the schemes is enriched.

[0011] The second aspect of the application provides an information sending method, which can be executed by an access network device, a core network device or a positioning network element, or realized by a component (for example, a processor, a chip, or a chip system or a chip module, etc.) corresponding to the access network device, the core network device or the positioning network element respectively, or realized by a logic module or software capable of realizing all or part of the functions of the access network device, the core network device or the positioning network element, or realized by a logic module or software capable of realizing all or part of the access network device, the core network device or the positioning network element. The method comprises the following steps: the access network device, the core network device or the positioning network element determines first information, the first information being used for indicating information of at least one candidate terminal device, the at least one candidate terminal device being a terminal device that is a candidate for performing a sensing process; the access network device, the core network device or the positioning network element sends the first information to a sensing network element; or the core network device or the positioning network element sends the first information to an access network device. Thus, the sensing network element or the access network device is assisted to select a suitable terminal device to participate in the sensing process based on the first information, and the sensing accuracy is improved. Optionally, the at least one candidate terminal device can also be described as: the at least one candidate terminal device being a terminal device that can be used for performing the sensing process; or the at least one candidate terminal device being a terminal device that is expected or desired to perform the sensing process.

[0012] Based on the second aspect, in a possible implementation manner, the method is applied to an access network device; the access network device receives a first request, comprising: receiving the first request from a sensing network element, the first request being used for requesting information of a candidate terminal device for performing a sensing process; or the method is applied to a core network device; the core network device receives a first request, comprising: the core network device receiving the first request from a sensing network element or an access network device, the first request being used for requesting information of a candidate terminal device for performing a sensing process; or the method is applied to a positioning network element; the positioning network element receives a first request, comprising: the positioning network element receiving the first request from an access network device, the first request being used for requesting information of a candidate terminal device for performing a sensing process. The sensing network element or the access network device initiatively requests information of a candidate terminal device to select a suitable terminal device to participate in the sensing process, and the sensing performance and the sensing accuracy are improved.

[0013] In a possible implementation of the first aspect or the second aspect, the first information includes at least one of the following: identification information of the at least one candidate terminal device, cell information where the at least one candidate terminal device is located, direction information, location information, motion information, connection state information, capability information, a terminal type, or information about whether there is a line of sight (LOS) path or a non line of sight (NLOS) path between the at least one candidate terminal device and the access network device. In this way, the first information can be understood as auxiliary information that helps the sensing network element or the access network device to select a suitable terminal device to participate in the sensing process. For example, the first information includes cell information, direction information, and location information of the at least one candidate terminal device, thereby facilitating the sensing network element or the access network device to select a terminal device with a suitable location to participate in the sensing process. For another example, the first information includes connection state information of the at least one candidate terminal device, and the sensing network element or the access network device can preferentially select a terminal device in an RRC connected state to participate in the sensing process.

[0014] In a possible implementation of the first aspect or the second aspect, the cell information includes an identifier of a cell where the at least one candidate terminal device is located. In this way, the location of the at least one candidate terminal device is identified, thereby facilitating the sensing network element or the access network device to select a terminal device with a suitable location to participate in the sensing process.

[0015] In a possible implementation of the first aspect or the second aspect, the direction information includes: a reference signal index, a reference signal resource identifier, or an azimuth angle where the at least one candidate terminal device is located; the reference signal index or the reference signal resource identifier is used to indicate a direction where the at least one candidate terminal device is located. In this way, the azimuth where the at least one candidate terminal device is located is identified, thereby facilitating the sensing network element or the access network device to select a terminal device with a suitable location to participate in the sensing process, and improving sensing performance.

[0016] In a possible implementation of the first aspect or the second aspect, the motion information includes at least one of the following: information about whether the at least one candidate terminal device is stationary, or motion trajectory information of the at least one candidate terminal device. In this way, the sensing network element or the access network device can select a suitable terminal device to participate in the sensing process. For example, the sensing network element or the access network device can preferentially select a stationary terminal device or a terminal device in low-speed motion to participate in the sensing process, thereby improving sensing accuracy.

[0017] In a possible implementation of the first aspect or the second aspect, the connection state information includes a radio resource control (RRC) state of the at least one candidate terminal device, and the RRC state is an RRC connected state, an RRC inactive state, or an RRC idle state. This facilitates the sensing network element or the access network device to select a suitable terminal device, for example, the sensing network element or the access network device can preferentially select a terminal device in the RRC connected state to participate in the sensing procedure.

[0018] In a possible implementation of the first aspect or the second aspect, the first request includes at least one of the following: sensing area information corresponding to the sensing procedure, or a sensing identifier associated with the sensing procedure. This facilitates other devices to provide suitable candidate terminal device information for the sensing network element or the access network device. For example, the candidate terminal device can be a terminal device located in the sensing area. This facilitates the sensing network element or the access network device to select a terminal device in the sensing area, thereby improving the strength of the terminal device receiving the sensing reference signal, facilitating the execution of the sensing procedure, and improving sensing accuracy.

[0019] In a possible implementation of the first aspect, the identification information of the at least one candidate terminal device includes a first identifier of the at least one candidate terminal device; the method is applied to a sensing network element, and the method further includes: sending, by the sensing network element, a second request to an access network device, the second request being used to request to perform a sensing procedure, and the second request including the first identifier of the first terminal device. This implements the sensing network element instructing the access network device to perform the sensing procedure with the first terminal device.

[0020] In a possible implementation of the first aspect, the method is applied to a sensing network element, and the method further includes: sending, by the sensing network element, a third request to the first terminal device, the third request being used to request to perform a sensing procedure. This implements the sensing network element instructing the access network device to perform the sensing procedure with the first terminal device.

[0021] In a possible implementation of the first aspect, the method is applied to an access network device, and the method further includes: sending, by the access network device, a seventh request to the first terminal device, the seventh request being used to request to perform a sensing procedure, and the seventh request including a second identifier of a second terminal device, the second terminal device being used by the first terminal device to identify the first terminal device. This implements the sensing network element instructing the access network device to perform the sensing procedure with the first terminal device.

[0022] The third aspect of the present application provides a communication apparatus, the communication apparatus comprising:

[0023] The transceiver is configured to receive first information, the first information being used to indicate information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device used to perform a sensing procedure.

[0024] The processing module is configured to select at least one target terminal device according to the first information, and the at least one target terminal device is used to perform the sensing procedure.

[0025] In a possible implementation manner of the third aspect, the transceiver is specifically configured to receive the first information from an access network device, a core network device, or a positioning network element.

[0026] In a possible implementation manner of the third aspect, the transceiver is further configured to send a first request, and the first request is used to request information of a candidate terminal device used to perform the sensing procedure.

[0027] In a possible implementation manner of the third aspect, the transceiver is further configured to send the first request to an access network device, a core network device, or a positioning network element.

[0028] The fourth aspect of the present application provides a communication apparatus, and the communication apparatus comprises:

[0029] The processing module is configured to determine first information, and the first information is used to indicate information of at least one candidate terminal device, and the at least one candidate terminal device is a candidate terminal device used to perform a sensing procedure.

[0030] The transceiver is configured to send the first information to a sensing network element or an access network device.

[0031] In a possible implementation manner of the fourth aspect, the transceiver is specifically configured to receive a first request from a sensing network element or an access network device, and the first request is used to request information of a candidate terminal device used to perform a sensing procedure.

[0032] In a possible implementation manner of the third aspect or the fourth aspect, the first information comprises at least one of the following: identification information of the at least one candidate terminal device, cell information where the at least one candidate terminal device is located, direction information, location information, motion information, connection state information, capability information, a terminal type, or information about whether there is a LOS path or a NLOS path between the at least one candidate terminal device and the access network device.

[0033] In a possible implementation manner of the third aspect or the fourth aspect, the cell information comprises an identifier of a cell where the at least one candidate terminal device is located.

[0034] In a possible implementation manner of the third aspect or the fourth aspect, the direction information comprises: a reference signal index, a reference signal resource identifier, or an azimuth angle where the at least one candidate terminal device is located; and the reference signal index or the reference signal resource identifier is used to indicate a direction where the at least one candidate terminal device is located.

[0035] In a possible implementation manner of the third aspect or the fourth aspect, the motion information comprises at least one of the following: information about whether the at least one candidate terminal device is stationary, or motion trajectory information of the at least one candidate terminal device.

[0036] In a possible implementation manner of the third aspect or the fourth aspect, the connection state information comprises an RRC state of the at least one candidate terminal device, and the RRC state is an RRC connected state, an RRC inactive state, or an RRC idle state.

[0037] In a possible implementation manner of the third aspect or the fourth aspect, the first request comprises at least one of the following: perception area information corresponding to the perception procedure, or a perception identifier associated with the perception procedure.

[0038] In a possible implementation manner of the third aspect, the identification information of the at least one candidate terminal device comprises a first identifier of the at least one candidate terminal device; and the transceiver is further configured to: send, to the access network device, a second request, the second request being used to request to perform the perception procedure, and the second request comprising the first identifier of the first terminal device.

[0039] In a possible implementation manner of the third aspect, the transceiver is further configured to: send, to the first terminal device, a third request, the third request being used to request to perform the perception procedure.

[0040] In a possible implementation manner of the third aspect, the transceiver is further configured to: send, to the first terminal device, a seventh request, the seventh request being used to request to perform the perception procedure, and the seventh request comprising a second identifier of a second terminal device, the second terminal device being used by the first terminal device to identify the first terminal device.

[0041] The fifth aspect of the present application provides a communication apparatus, which can be a perception network element or an access network device, or a module or unit (for example, a chip or a chip system or a circuit) corresponding to the method, operation, step or action described in the first aspect executed in the perception network element or the access network device, or a communication apparatus capable of being used in matching with the perception network element or the access network device.

[0042] The sixth aspect of the present application provides a communication apparatus, which can be an access network device, a core network device or a positioning network element, or a module or unit (for example, a chip or a chip system or a circuit) corresponding to the method, operation, step or action described in the second aspect executed in the access network device, the core network device or the positioning network element, or a communication apparatus capable of being used in matching with the access network device, the core network device or the positioning network element.

[0043] The seventh aspect of the present application provides a communication device, comprising a processor configured to invoke a computer program or computer instructions in a memory, so that the processor is configured to perform any one of the implementation manners of any one of the first aspect to the second aspect.

[0044] Optionally, the communication device further comprises a transceiver, and the processor is configured to control the transceiver to perform any one of the implementation manners of any one of the first aspect to the second aspect.

[0045] Optionally, the processor is integrated with the memory.

[0046] The eighth aspect of the present application provides a computer program product comprising computer instructions, which, when executed on a computer, cause the computer to perform any one of the implementation manners of any one of the first aspect to the second aspect.

[0047] The ninth aspect of the present application provides a computer-readable storage medium comprising computer instructions, which, when executed on a computer, cause the computer to perform any one of the implementation manners of any one of the first aspect to the second aspect.

[0048] The tenth aspect of the present application provides a chip device comprising a processor configured to invoke a computer program or computer instructions in a memory, so that the processor performs any one of the implementation manners of any one of the first aspect to the second aspect.

[0049] Optionally, the processor is coupled to the memory through an interface.

[0050] The eleventh aspect of the present application provides a communication system, comprising a sensing network element as shown in the first aspect and an access network device or a core network device as shown in the second aspect; or the communication system comprises an access network device as shown in the first aspect and a core network device or a positioning network element as shown in the second aspect.

[0051] According to the above technical solutions, the technical solutions provided by the present application can be applied to a sensing network element or an access network device. The sensing network element or the access network device receives first information, the first information being used to indicate information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device used to perform a sensing process. Then, the sensing network element or the access network device selects at least one target terminal device according to the first information, the at least one target terminal device being used to perform the sensing process. Thus, the sensing network element or the access network device selects a suitable terminal device to participate in the sensing process based on the first information, and the sensing accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0052] FIG. 1a is a schematic diagram of a scenario of base station side sensing according to an embodiment of the present application;

[0053] FIG. 1b is a schematic diagram of another scenario of base station side sensing according to an embodiment of the present application;

[0054] FIG. 1c is a schematic diagram of a scenario of terminal device assisted sensing according to an embodiment of the present application;

[0055] FIG. 1d is a schematic diagram of another scenario of terminal device assisted sensing according to an embodiment of the present application;

[0056] FIG. 1e is a schematic diagram of a scenario of terminal device side sensing according to an embodiment of the present application;

[0057] FIG. 1f is a schematic diagram of another scenario of terminal device side sensing according to an embodiment of the present application;

[0058] FIG. 2 is a schematic diagram of a communication system according to an embodiment of the present application;

[0059] FIG. 3 is a schematic diagram of another communication system according to an embodiment of the present application;

[0060] FIG. 4 is a schematic diagram of another communication system according to an embodiment of the present application;

[0061] FIG. 5 is a schematic diagram of an application architecture involving a radio access network intelligent controller (RIC) module in an open radio access network (ORAN) system according to an embodiment of the present application;

[0062] FIG. 6 is a schematic diagram of a structure of an access network device according to an embodiment of the present application;

[0063] FIG. 7 is a schematic diagram of one embodiment of a terminal device selection method and information sending method according to an embodiment of the present application;

[0064] FIG. 8 is a schematic diagram of another embodiment of a terminal device selection method and information sending method according to an embodiment of the present application;

[0065] FIG. 9 is a schematic diagram of still another embodiment of a terminal device selection method and information sending method according to an embodiment of the present application;

[0066] FIG. 10 is a schematic diagram of still another embodiment of a terminal device selection method and information sending method according to an embodiment of the present application;

[0067] FIG. 11 is a schematic diagram of still another embodiment of a terminal device selection method and information sending method according to an embodiment of the present application;

[0068] FIG. 12 is a schematic diagram of a structure of a communication apparatus according to an embodiment of the present application;

[0069] FIG. 13 is a schematic diagram of another structure of a communication apparatus according to an embodiment of the present application;

[0070] FIG. 14 is another structural schematic diagram of a communication device according to an embodiment of the present application. DETAILED DESCRIPTION

[0071] The embodiments of the present application provide a terminal device selection method, an information sending method and related devices, which are used for realizing that a sensing network element or an access network device selects a suitable terminal device to participate in a sensing process based on first information, so as to improve sensing accuracy.

[0072] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person skilled in the art without creative work fall within the protection scope of the present application.

[0073] The term "and / or" appearing in the present application can be a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that there are three cases of A alone, A and B together, and B alone. In addition, the character " / " in the present application generally represents an "or" relationship between the front and rear associated objects.

[0074] Wireless communication sensing fusion can be widely applied to typical application scenarios such as intelligent transportation, intelligent low altitude, and intelligent network. Wireless communication sensing fusion realizes unified design of communication function and sensing function through signal joint design and hardware sharing. The sensing in wireless communication sensing fusion can be understood as wireless sensing technology based on a communication system. For example, a base station transmits a wireless signal to a target object and receives a reflected echo signal of the target object. The base station obtains corresponding sensing measurement quantities by analyzing the echo signal. For example, the number, position, and moving speed of the target object, and identity recognition of the target object.

[0075] At present, there are mainly two sensing scenarios, specifically a region-oriented sensing scenario and a target-oriented sensing scenario. The region-oriented sensing is sensing for a certain region, such as a city low altitude, a road, a factory, and the like. Typical application scenarios include: positioning and detecting whether an unmanned aerial vehicle invades a regulated range in a city low altitude, thereby realizing unmanned aerial vehicle intrusion detection for a fixed region; detecting the moving path and moving speed of a vehicle in real time on a city road, and sensing the running state of an expressway; performing breathing detection, fitness monitoring, gesture or posture recognition, and the like by sensing channel changes; analyzing the relationship between signal attenuation in a communication link and weather indicators to obtain corresponding weather indicators and perform weather detection, and the like. The target-oriented sensing is sensing and tracking a target by using a communication sensing technology when the target has an identity, so as to realize dynamic detection of the target.

[0076] The perception method mainly includes base station side perception, terminal device assisted perception and terminal device side perception, and can be specifically divided into six perception modes. The following introduces the six perception modes in combination with FIG. 1a to FIG. 1f.

[0077] FIG. 1a is a schematic diagram of one scenario of base station side perception in the embodiment of the present application. As shown in FIG. 1a, the access network device transmits a perception reference signal. The perception reference signal is reflected by a target object to obtain a reflected signal (or called echo signal). The access network device receives the reflected signal and measures the reflected signal to obtain a perception measurement result. The access network device can send the perception measurement result to a perception network element.

[0078] FIG. 1b is a schematic diagram of another scenario of base station side perception in the embodiment of the present application. As shown in FIG. 1b, the access network device #1 transmits a perception reference signal. The perception reference signal is reflected by a target object to obtain a reflected signal. The access network device #2 receives the reflected signal and measures the reflected signal to obtain a perception measurement result. The access network device #2 can send the perception measurement result to a perception network element.

[0079] FIG. 1c is a schematic diagram of one scenario of terminal device assisted perception in the embodiment of the present application. As shown in FIG. 1c, the access network device transmits a perception reference signal. The perception reference signal is reflected by a target object to obtain a reflected signal. The terminal device receives the reflected signal and measures the reflected signal to obtain a perception measurement result. The terminal device can report the perception measurement result to a perception network element.

[0080] FIG. 1d is a schematic diagram of another scenario of terminal device assisted perception in the embodiment of the present application. As shown in FIG. 1d, the terminal device transmits a perception reference signal. The perception reference signal is reflected by a target object to obtain a reflected signal. The access network device receives the reflected signal and measures the reflected signal to obtain a perception measurement result. The access network device can send the perception measurement result to a perception network element.

[0081] FIG. 1e is a schematic diagram of one scenario of terminal device side perception in the embodiment of the present application. As shown in FIG. 1e, the terminal device transmits a perception reference signal. The perception reference signal is reflected by a target object to obtain a reflected signal. The terminal device receives the reflected signal and measures the reflected signal to obtain a perception measurement result. The terminal device can report the perception measurement result to a perception network element.

[0082] FIG. 1f is a schematic diagram of another scenario of terminal device side perception in the embodiment of the present application. As shown in FIG. 1f, the terminal device #1 transmits a perception reference signal. The perception reference signal is reflected by a target object to obtain a reflected signal. The terminal device #2 receives the reflected signal and measures the reflected signal to obtain a perception measurement result. The terminal device #2 can report the perception measurement result to a perception network element.

[0083] The present application is applicable to the scenarios shown in FIGS. 1c-1f above in which the terminal device participates in sensing. It should be noted that FIGS. 1c-1f above are merely some example scenarios, and the present application is not limited to the scenarios in which the terminal device participates in sensing. As long as the selection of the terminal device and sensing are involved, it belongs to the application scenarios to which the present application is applicable, and the present application is not limited in particular.

[0084] It should be noted that the present application takes the selection of the terminal device in the sensing process as an example to introduce the technical solutions of the present application, and the present application is also applicable to the selection of the terminal device in other application processes, and the present application is not limited in particular.

[0085] It should be noted that the present application takes the selection of the terminal device as an example to introduce the technical solutions of the present application, and in actual applications, the technical solutions of the present application are also applicable to the selection of other devices, for example, the selection of a relay node, and the present application is not limited in particular.

[0086] For area sensing services, the participation and assistance of the terminal device are required in some scenarios, and however, how to select a suitable terminal device to participate in the sensing process is a problem worth considering. The present application provides corresponding technical solutions, and specific details can be referred to the relevant introduction of the embodiments below.

[0087] Some possible communication systems to which the present application is applicable are introduced below. It should be understood that the present application is still applicable to other communication systems, and the present application is not limited in particular.

[0088] FIG. 2 is a schematic diagram of a communication system according to an embodiment of the present application. Referring to FIG. 2, the communication system includes a terminal device 201, a next generation node B (gNB) 202, a next generation evolved node B (ng-eNB) 203, an access and mobility management function (AMF) 204, a user plane function (UPF) 205, and a sensing function (SF) 206.

[0089] The SF 206 shown in FIG. 2 is taken as an example in which the user plane and the control plane are separated to introduce the technical solutions of the present application. In actual applications, the user plane and the control plane of the SF 206 can also be not separated, and the present application is not limited in particular.

[0090] It should be noted that the access and mobility management function 204 and the user plane function 205 above are optional, and the gNB 202 and the ng-eNB 203 can be connected with the SF 206.

[0091] The terminal device 201 communicates with an access network device (such as the gNB 202 or the ng-eNB 203 in FIG. 2) through a Uu interface. The ng-eNB 203 is an access network device in a long term evolution (LTE) communication system, and the gNB 202 is an access network device in a new radio (NR) communication system. In the communication system, the access network devices communicate with each other through an Xn interface, and communicate with the AMF 204 through an NG-C interface. The access network device communicates with the UPF 205 through an NG-U interface. The UPF 205 is connected with the user plane of the SF 206, and the AMF 204 is connected with the control plane of the SF 206. Optionally, the access network device realizes communication with the SF-U through the UPF 205, and realizes communication with the SF-C through the AMF 204.

[0092] It should be noted that, in the communication system shown in FIG. 2, the access network device can also be directly connected with the SF 206, that is, it does not need to realize communication with the SF 206 through the UPF 205 and the AMF 204. Optionally, the SF 206 belongs to the core network.

[0093] Optionally, the communication system further includes a location management function (LMF), which is a network element, module or component in the NR core network that provides a positioning function entity for the terminal device. Optionally, the SF 206 can be located together with the location management function, or can be deployed separately, which is not limited in the present application.

[0094] The above FIG. 2 only shows an example in which the communication system includes two access network devices of gNB and ng-eNB. In actual applications, the communication system can include at least one access network device, which is not limited in the present application.

[0095] FIG. 3 is another schematic diagram of a communication system according to an embodiment of the present application. As shown in FIG. 3, the communication system includes a terminal device 301, an access network device 302, an access network device 303, and a sensing control (SC) 304. The access network device 301 and the access network device 302 communicate with each other through an Xn interface. The SC 304 is connected to the access network device 302 and the access network device 303 through an interface, respectively. The access network device 302 and the access network device 303 can also be connected to different SCs, respectively. Optionally, the communication system further includes an SF 305. When the communication system includes the SF 305, the SF 305 is connected to the SC 304. The SF 305 shown in FIG. 3 is taken as an example in which the user plane and the control plane are not separated. In actual application, the user plane and the control plane of the SF 305 can also be separated, for example, the SC 304 includes an SC-C and an SC-U, and the SF 305 includes an SF-C and an SF-U. The SC-C is connected to the SF-C, and the SC-U is connected to the SF-U. Alternatively, only the SC-C and the SF-C are connected, and the specific implementation is not limited in the present application.

[0096] It should be noted that, in the communication system shown in FIG. 3, the SC 304 is directly connected to the SF 305. Alternatively, the SC 304 can be connected to the SF 305 through a UPF and an AMF, and the specific implementation is not limited in the present application. Optionally, the SC 304 belongs to the access network.

[0097] FIG. 4 is another schematic diagram of a communication system according to an embodiment of the present application. As shown in FIG. 4, the communication system includes a terminal device 401, an access network device 402, an access network device 403, a UPF 404, and an AMF 405. The access network device 401 and the access network device 402 communicate with each other through an Xn interface. The SC is deployed or integrated on the access network device 402. The access network device 402 is connected to the UPF 404 through an NG-U interface, and the access network device 402 is connected to the AMF 405 through an NG-C interface. The access network device 403 is connected to the UPF 404 through an NG-U interface, and the access network device 403 is connected to the AMF 405 through an NG-C interface. Optionally, the communication system further includes an SF 406. The access network device 402 is connected to the SF 406 through the UPF 404 and the AMF 405.

[0098] The SF 406 shown in FIG. 4 is taken as an example in which the user plane and the control plane are separated to introduce the sensing function. In actual application, the user plane and the control plane of the SF 406 can also be not separated, and the specific implementation is not limited in the present application.

[0099] It should be noted that, when the access network device 402 adopts the separated architecture of the CU and the DU, the SC can be deployed or integrated on the CU or the DU, and the specific implementation is not limited in the present application.

[0100] It should be noted that the name of the SF involved in the communication system shown in FIGS. 2 to 4 is not limited in the present application, for example, it can also be called a perception network element, a perception demand network element, a perception management network element, or a perception function entity, and the specific name is not limited in the present application. The name of the SC involved in the communication system shown in FIGS. 3 and 4 is not limited in the present application. For example, it can also be called a control network element, an edge perception function network element, an edge control network element, or an edge control node, and the specific name is not limited in the present application.

[0101] The SF can be a network element in the core network that provides perception-related functions. The functions of the SF include management of perception nodes, coordination of perception resources, processing of perception measurement quantities, opening of perception results, and the like, i.e., functions related to perception. The SC can be a network element in the access network that provides perception-related functions. The SC can have functions related to perception, for example, the SC receives perception demands from the SF; manages perception nodes; coordinates perception resources within a region; processes perception measurement results; or receives perception requests from an application function network element, and the like.

[0102] The technical solutions of the present application can be applied to a third generation partnership project (3rd generation partnership project, 3GPP) related cellular communication system. For example, a fourth generation (4th generation, 4G) communication system, a fifth generation (5th generation, 5G) communication system, a communication system after the fifth generation communication system. For example, a sixth generation communication system. For example, the fourth generation communication system can include a long term evolution (long term evolution, LTE) communication system, an LTE frequency division duplex (frequency division duplex, FDD) system, or an LTE time division duplex (time division duplex, TDD) system. The fifth generation communication system can include a new radio (new radio, NR) communication system. The technical solutions of the present application can also be applied to a wireless fidelity (wireless fidelity, WiFi) system, a communication system supporting multiple wireless technology fusion, a device-to-device (device-to-device, D2D) system, an Internet of Things communication system, an industrial Internet communication system, a vehicle-to-everything (vehicle to everything, V2X) communication system, or a satellite communication system, etc.

[0103] The terminal device, the access network device, the core network device, and the perception network element involved in the present application are introduced below.

[0104] A terminal device, also referred to as a user equipment (UE), a mobile station (MS), a mobile terminal (MT), a customer premise equipment (CPE), etc. A terminal device is a device that includes a wireless communication function (providing voice / data connectivity to a user). For example, a handheld device with wireless connectivity, in-vehicle device, machine type communication (MTC) terminal, etc. Currently, a terminal device can include a mobile phone, a tablet computer, a notebook computer, a palm computer, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self driving, a wireless terminal in remote medical surgery, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, or a wireless terminal in smart home, etc. For example, a wireless terminal in self driving can be a drone, a helicopter, or an airplane, etc. For example, a wireless terminal in vehicle-to-everything (V2X) can be a vehicle-mounted device, a whole vehicle device, a vehicle-mounted module, a vehicle, or a ship, etc. A wireless terminal in industrial control can be a camera, a robot, or a mechanical arm, etc. A wireless terminal in smart home can be a television, an air conditioner, a sweeping machine, a sound box, or a set-top box, etc. A terminal device can also be a transport vehicle with a wireless communication function, a communication module, a road side unit (RSU) with terminal device function.

[0105] It should be noted that a terminal device can be a device or apparatus with a chip, or a device or apparatus integrated with a circuit, or a chip, a module, or a control unit in the above-mentioned devices or apparatus, and the specific application is not limited. For example, a chip can be a chip responsible for communication function in a terminal device, for example, a Modem chip, also known as a baseband chip, or a system on chip (SoC) chip or a system in package (SIP) chip containing a modem core.

[0106] An access network device is a device deployed in a wireless access network to provide wireless communication functions for terminal devices. The access network device can also be referred to as a radio access network (RAN) entity, an access node, a network node, a network device, or a communication apparatus, etc.

[0107] Specifically, the access network device can be an access network device for a 3rd generation partnership project (3GPP) related cellular system. For example, a fourth-generation (4G) mobile communication system, a 5G mobile communication system, or a 6G mobile communication system. The access network device can also be an access network device in an open RAN (O-RAN or ORAN) or a cloud radio access network (CRAN). Alternatively, the access network device can also be an access network device in a communication system obtained by fusing two or more of the above communication systems.

[0108] The access network device includes, but is not limited to, an evolved Node B (eNB), a radio network controller (RNC), a Node B (NB), a base station controller (BSC), a base transceiver station (BTS), a home base station (for example, a home evolved NodeB, or home Node B, HNB), a baseband unit (BBU), an access point (AP) in a wireless fidelity (WiFi) system, a macro base station, a micro base station, a wireless relay node, a donor node, a wireless controller in a CRAN scenario, a wireless backhaul node, a transmission point (TP), or a transmission and receiving point (TRP). The access network device can also be an access network device in a 5G mobile communication system. For example, a next generation NodeB (gNB), a TRP, a TP, or one or a group (including multiple antenna panels) of antenna panels of a base station in a new radio (NR) system, or a base station in a 5G mobile communication system. Alternatively, the access network device can also be a network node constituting a gNB or a transmission point. For example, a centralized unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. The CU and the DU can be separately arranged, or can be included in the same network element. For example, a BBU. The RU can be included in a radio frequency device or a radio frequency unit. For example, in a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH). Alternatively, the access network device can also be a server, a wearable device, a vehicle or a vehicle-mounted device, etc. For example, in a V2X technology, the access network device can be a road side unit (RSU).

[0109] It should be noted that the CU (or CU-CP and CU-UP), DU or RU can also have different names in different systems, but those skilled in the art can understand their meanings. For example, in the ORAN system, the CU can also be referred to as an open centralized unit (O-CU) or an open CU, the DU can also be referred to as an open distributed unit (O-DU), the centralized unit control plane (CU-CP) can also be referred to as an open centralized unit control plane (O-CU-CP) or an open CU-CP, the centralized unit user plane (CU-UP) can also be referred to as an open centralized unit user plane (O-CU-UP) or an open CU-UP, and the RU can also be referred to as an open radio unit (O-RU). The specific application is not limited. Any one of the CU, CU-CP, CU-UP, DU and RU in the present application can be realized by a software module, a hardware module, or a combination of a software module and a hardware module.

[0110] Optionally, for network elements in the ORAN system, each network element can implement the protocol layer functions shown in Table 1 as follows.

[0111] Table 1

[0112] It should be noted that the access network device can be one network element or multiple network elements shown in Table 1 above, and the specific application is not limited.

[0113] It should be noted that Table 1 above is only an example. In actual applications, the protocol layer functions supported by each network element are not limited. For example, each network element can support more protocol layer functions, or the protocol layer functions supported by each network element can be configured in combination with the actual application. The specific application is not limited.

[0114] The architecture of the CU and the DU of the access network device will be introduced below. The access network device includes at least one CU and at least one DU. Optionally, the access network device also includes at least one RU.

[0115] The following is an example of an access network device including a CU and a DU. The CU has part of the function of the core network, and the CU can include a CU-CP and a CU-UP. The CU and the DU can be configured according to the protocol layer function of the wireless network they implement. For example, the CU is configured to implement the function of the PDCP layer and the protocol layer above (for example, the function of the RRC layer and / or the SDAP layer). The DU is configured to implement the function of the protocol layer below the PDCP layer (for example, the RLC layer, the MAC layer, and / or the PHY layer). For another example, the CU is configured to implement the function of the PDCP layer and the protocol layer above (for example, the RRC layer and / or the SDAP layer), and the DU is configured to implement the function of the protocol layer below the PDCP layer (for example, the RLC layer, the MAC layer, and / or the PHY layer, etc.).

[0116] When the CU includes a CU-CP and a CU-UP, the CU-CP is used to implement the control plane function of the CU, and the CU-UP is used to implement the user plane function of the CU. For example, when the CU is configured to implement the function of the PDCP layer, the RRC layer and the SDAP layer, the CU-CP is used to implement the function of the RRC layer and the control plane function of the PDCP layer, and the CU-UP is used to implement the function of the SDAP layer and the user plane function of the PDCP layer.

[0117] The CU-CP can interact with the network element in the core network for implementing the control plane function. The network element in the core network for implementing the control plane function can be an access and mobility function network element, for example, an AMF in a 5G mobile communication system. The AMF is used to be responsible for the mobility management in the mobile network, such as the location update of the terminal device, the registration network of the terminal device, the handover of the terminal device, etc. The CU-UP can interact with the network element in the core network for implementing the user plane function. The network element in the core network for implementing the user plane function, for example, the user function (user plane function, UPF) in the 5G mobile communication system, is used to be responsible for the forwarding and receiving of data in the terminal device.

[0118] The above configuration of the CU and the DU is only an example, and the CU and the DU can be configured to have functions as needed. For example, the CU or the DU can be configured to have more protocol layer functions, or the CU or the DU can be configured to have part of the processing function of the protocol layer. For example, part of the function of the RLC layer and the function of the protocol layer above the RLC layer are arranged in the CU, and the remaining function of the RLC layer and the function of the protocol layer below the RLC layer are arranged in the DU. For another example, the function of the CU or the DU can be divided according to the service type or other system requirements. For example, according to the delay, the function that needs to meet the delay requirement is arranged in the DU, and the function that does not need to meet the delay requirement is arranged in the CU.

[0119] The DU and the RU can cooperate to jointly implement the functions of the PHY layer. One DU can be connected with one or more RUs. The functions of the DU and the RU can be configured in various manners according to design. For example, the DU is configured to implement baseband functions, and the RU is configured to implement radio frequency functions. For another example, the DU is configured to implement high-layer functions in the PHY layer, and the RU is configured to implement low-layer functions in the PHY layer or implement the low-layer functions and radio frequency functions. The high-layer functions in the PHY layer can include a part of functions of the PHY layer that are closer to the MAC layer, and the low-layer functions in the PHY layer can include another part of functions of the PHY layer that are closer to the radio frequency side.

[0120] It should be noted that the access network device can be the device or apparatus shown above, or a component (for example, a chip), a module, or a unit in the device or apparatus shown above, and the specific application does not make any limitation.

[0121] Optionally, the RIC module is also involved under the ORAN architecture. As shown in FIG. 5, FIG. 5 is an application architecture diagram involving the RIC module under the ORAN architecture. As shown in FIG. 5, the communication system includes the RIC module, which is specifically divided into a near-real-time RIC (near-RT RIC) module and a non-real-time RIC (Non-RT RIC) module. The near-real-time RIC module is used for model training and inference. For example, the near-real-time RIC module is used for training an artificial intelligence (AI) model and performing inference using the AI model. The near-real-time RIC module can also obtain information for training or inferring the AI model from the access network node (for example, the CU, the CU-CP, the CU-UP, the DU, and / or the RU) and from the terminal device. Optionally, the near-real-time RIC module can deliver the result of training or inferring the AI model to the access network node and / or the terminal device. Optionally, the CU, the DU, and the RU can interact the result. For example, the near-real-time RIC delivers the result to the DU, and the DU sends the result to the RU, thereby realizing near-real-time intelligent management of the access network.

[0122] The non-near real-time RIC module is configured to perform AI model training and inference. For example, the non-near real-time RIC module is configured to train an AI model and perform inference using the AI model. The non-near real-time RIC module can obtain data from the access network node (e.g., CU, CU-CP, CU-UP, DU, and / or RU) and / or the terminal device, and perform AI model training or inference using the data as training data or inference data to obtain a corresponding result. Then, the non-near real-time RIC module delivers the result to the access network node and / or the terminal device. Optionally, the CU, DU, and / or RU can exchange the result. For example, the non-near real-time RIC module delivers the result to the DU, and the DU transmits the result to the RU.

[0123] It should be understood that the near real-time RIC module and the non-near real-time RIC module can be deployed as independent network elements or as part of other network devices. For example, the near real-time RIC module is deployed in the access network node. For example, the near real-time RIC module can be deployed in the CU and / or the DU, and the non-near real-time RIC module is deployed in the OAM, the cloud server, the core network device, or other network devices.

[0124] The following describes a structure of an access network device including a CU and a DU. FIG. 6 is a structure of an access network device according to an embodiment of the present application. Taking the access network device as an example, the gNB, please refer to FIG. 6, in the 5G communication system, the gNB is connected through the Xn interface, and the gNB is connected with the 5th generation mobile communication technology core network (5GC) through the NG interface. As shown in FIG. 6, the gNB1 and the gNB2 are connected through the Xn interface. The gNB1 is connected with the 5GC through the NG interface 1, and the gNB2 is connected with the 5GC through the NG interface 2.

[0125] The gNB can include a CU and a DU. That is, the functions of the base station are divided, and part of the functions of the base station are deployed in a gNB-CU, and the remaining functions are deployed in a gNB-DU. Multiple gNB-DUs share one gNB-CU, which can save costs and is easy to expand the network. For example, as shown in FIG. 6, the gNB1 includes a gNB-CU1, a gNB-DU1, and a gNB-DU2. The gNB-CU1 is connected with the gNB-DU1 through the F1 interface 1 and connected with the gNB-DU2 through the F1 interface 2. The structure of the gNB2 is similar to that of the gNB1, which will not be described one by one here.

[0126] The above-mentioned FIG. 6 is only an example, one gNB-CU can be connected with one or more gNB-DUs, which is not limited in the present application.

[0127] The split of the gNB-CU and the gNB-DU can be according to the protocol stack. For example, the RRC layer, the SDAP layer, and the PDCP layer correspond to the protocol stacks deployed in the gNB-CU, respectively. The radio link control (RLC) layer, the MAC layer, and the PHY layer correspond to the protocol stacks deployed in the gNB-DU, respectively. The gNB-CU and the gNB-DU are connected through the F1 interface. The above example is only for introducing the gNB-CU and the gNB-DU, and the protocol stacks deployed in the gNB-CU and the gNB-DU are not limited in the present application.

[0128] In the present application, in the following scheme in which the access network device adopts the structure of the CU and the DU, the gNB-CU is referred to as the CU, and the gNB-DU is referred to as the DU.

[0129] It should be noted that the CU and the DU are an implementation manner in which the access network device is divided into network units, and the functions contained in the CU and the DU can be divided according to evolution or requirements. The present application does not limit the functions contained in the CU and the DU, respectively. The names corresponding to the CU and the DU are also not limited in the present application.

[0130] The core network device can be responsible for access control, registration management, service management, mobility management, and the like of terminal devices accessing the network. For example, the core network device is the access and mobility management function. In the present application, the names of the access and mobility management function can change with the evolution of the communication system. In the current communication system or the future communication system, as long as the function network element with other names has similar functions to the access and mobility management function, it can be understood as the access and mobility management function in the present application, and is applicable to the method provided in the present application.

[0131] The perception network element can obtain the information of the candidate terminal device, and select at least one target terminal device. Then, the perception network element can send a request to the access network device or the at least one target terminal device, so as to implement the perception process of terminal device assisted perception. Alternatively, the perception network element can send a request to the at least one terminal device, to request the access network device to perform the perception process with the at least one target terminal device, so as to implement the perception process of terminal device side perception. In the present application, the perception network element in the following embodiments can be understood as the SF or the SC in the communication system shown in FIG. 2 to FIG. 4. The name of the perception network element can change with the evolution of the communication system. As long as the function network element with other names has similar functions to the perception network element, it can be understood as the perception network element in the present application. The name of the perception network element is not limited. For example, the perception network element can also be referred to as a perception function network element, a first network element, a perception function entity, a perception measurement network element, or a perception measurement entity, and the like. In the following, the technical scheme of the present application is mainly introduced in the description manner of the perception network element.

[0132] The technical solutions of the present application will be described below in combination with specific embodiments.

[0133] Fig. 7 is a schematic diagram of one embodiment of the terminal device selection method and the information sending method of the present application. Please refer to Fig. 7, the method comprises the following steps.

[0134] It should be noted that the embodiment shown in Fig. 7 takes the sensing network element, the access network device, the first terminal device and the second terminal device as the interactive execution subject for example to illustrate the method, but the present application does not limit the interactive execution subject. For example, the execution subject in steps 701a to 703, step 707, step 708, step 711, step 712, step 716, step 717, step 720, step 721 and step 724 of the embodiment shown in Fig. 7 is the sensing network element, and the execution subject can also be a chip, a chip system or a processor supporting the sensing network element to implement the method, and can also be a logic module or software capable of implementing all or part of the functions of the sensing network element. The execution subject in steps 701a, step 701, step 703, step 704, step 705, step 709, step 712 to step 716 of the embodiment shown in Fig. 7 is the access network device, and the execution subject can also be a chip, a chip system or a processor supporting the access network device to implement the method, and can also be a logic module or software capable of implementing all or part of the functions of the access network device. The execution subject in steps 704 to 707, steps 708 to 711, steps 713 to 714, steps 717 to 719 and steps 721 to 722 of the embodiment shown in Fig. 7 is the first terminal device, and the execution subject can also be a chip, a chip system or a processor supporting the first terminal device to implement the method, and can also be a logic module or software capable of implementing all or part of the functions of the first terminal device. The execution subject in steps 722 to 724 of the embodiment shown in Fig. 7 is the second terminal device, and the execution subject can also be a chip, a chip system or a processor supporting the second terminal device to implement the method, and can also be a logic module or software capable of implementing all or part of the functions of the second terminal device.

[0135] 701. The access network device sends first information to the sensing network element. Correspondingly, the sensing network element receives the first information from the access network device.

[0136] The first information is used to indicate the information of at least one candidate terminal device. The at least one candidate terminal device is a candidate terminal device for executing the sensing procedure. Alternatively, the at least one candidate terminal device is a terminal device available for executing the sensing procedure. Alternatively, the at least one candidate terminal device is a desired or expected terminal device for executing the sensing procedure.

[0137] Optionally, the first information comprises at least one of the following: identification information of the at least one candidate terminal device, cell information where the at least one candidate terminal device is located, direction information, location information, motion information, connection state information, capability information, terminal type, or information about whether there is a LOS path or a NLOS path between the at least one candidate terminal device and the access network device.

[0138] Optionally, the identification information comprises a first identification of the at least one candidate terminal device. Optionally, the first identification of the at least one candidate terminal device is assigned by the access network device, the core network device, or the perception network element.

[0139] Optionally, the first identification of the at least one candidate terminal device can be an identification assigned by the access network device. For example, a radio network temporary identity (RNTI), an access network user equipment NG application protocol identification (RAN UE NGAP ID), or other identification assigned by the access network device for perception, etc. For example, the RNTI can be a cell radio network temporary identifier (C-RNTI), or an inactive radio network temporary identifier (I-RNTI).

[0140] Optionally, the first identification of the at least one candidate terminal device can be assigned by the core network device. For example, a 5G S-temporary mobile subscription identifier (5G-S-TMSI), or an access and mobility management function user equipment NG application protocol identification (AMF UE NGAP ID). Optionally, the identification information of the at least one candidate terminal device further carries a gNB ID. Or other identification assigned by the AMF for perception, etc. Optionally, the identification information of the at least one candidate terminal device further carries an AMF ID.

[0141] Optionally, the first identification of the at least one candidate terminal device can be assigned by the perception network element, for example, an identification related to a perception process assigned by the perception network element. Optionally, the identification information of the at least one candidate terminal device further carries an identification of the perception network element.

[0142] Optionally, the first identifier of the at least one candidate terminal device can also be application layer assigned. For example, V2X, proximity based services (ProSe), ranging and sidelink positioning, extended reality (XR), and the like application layer assignment is an application layer identifier of the at least one candidate terminal device. For example, the first identifier of the at least one candidate terminal device is a UE application layer identifier, or a sidelink identifier of the at least one candidate terminal device.

[0143] Optionally, the cell information of the at least one candidate terminal device includes an identifier of a cell where the at least one candidate terminal device is located.

[0144] Optionally, the direction information includes at least one of the following: a reference signal index, a reference signal resource identifier, or an azimuth angle where the at least one candidate terminal device is located. The reference signal index or the reference signal resource identifier is used to indicate a direction where the at least one candidate terminal device is located. For example, the reference signal index is a synchronization signal / physical layer broadcast channel block (SSB) index. The reference signal resource identifier is a positioning reference signal (PRS) resource identifier, or a channel state information reference signal (CSI-RS) resource identifier.

[0145] Optionally, the location information includes at least one of the following: an absolute coordinate position where the terminal device is located, or a relative coordinate position where the terminal device is located.

[0146] Optionally, the motion information includes at least one of the following: information whether the at least one candidate terminal device is stationary, or motion trajectory information of the at least one candidate terminal device.

[0147] Optionally, the connection state information includes an RRC state of the at least one candidate terminal device. The RRC state is an RRC connected state, an RRC inactive state, or an RRC idle state.

[0148] Optionally, the terminal type includes any one of the following: a vehicle-mounted device type, or a handheld terminal type.

[0149] Optionally, the capability information includes at least one of the following: whether the at least one candidate terminal device supports a self-generated and self-received mode, or a supported sensing mode, and the like.

[0150] Optionally, the embodiment shown in FIG. 7 further includes step 701a, which can be performed before step 701.

[0151] 701a. The sensing network element sends a first request to the access network device. Correspondingly, the access network device receives the first request from the sensing network element.

[0152] The first request is used to request information of candidate terminal devices for performing the sensing procedure. Alternatively, the first request is used to request information of terminal devices available for performing the sensing procedure. Alternatively, the first request is used to request information of desired or expected terminal devices for performing the sensing procedure.

[0153] Optionally, the first request includes at least one of the following: sensing area information corresponding to the sensing procedure, or a sensing identifier associated with the sensing procedure. For example, the sensing area information includes at least one of the following: coordinate range of the sensing area, or a cell list. Thus, the location of the sensing area is represented by the cell list. For another example, the sensing procedure can be monitoring vehicles on a certain road, or monitoring whether a drone has intruded into a certain sensing area. The application can define an associated identifier for each sensing procedure, i.e., a sensing identifier. One sensing procedure corresponds to one sensing service request, and corresponds to one associated identifier, which can be used to indirectly indicate the sensing area corresponding to the sensing procedure. Thus, it is convenient for the access network device to select at least one candidate terminal device with a suitable location for the sensing procedure.

[0154] Optionally, the embodiment shown in FIG. 7 further includes step 702, which can be performed after step 701.

[0155] 702. The sensing network element selects at least one target terminal device according to the first information.

[0156] Optionally, the at least one target terminal device belongs to the at least one candidate terminal device.

[0157] For example, the first information includes location information of the at least one candidate terminal device. The sensing network element selects a terminal device at a suitable location as the at least one target terminal device according to the location information of the at least one candidate terminal device. For another example, the first information includes whether there is a LOS path or a NLOS path between the at least one candidate terminal device and the access network device. The sensing network element preferentially selects one or more terminal devices having a LOS path with the access network device as the at least one target terminal device. In the present application, the LOS path can be understood as a reflected echo signal of the sensing reference signal only undergoing one reflection in the propagation process. For another example, the first information includes connection state information of the at least one candidate terminal device. The sensing network element preferentially selects one or more terminal devices in an RRC connected state as the at least one target terminal device according to the first information. For another example, the first information includes motion information of the at least one candidate terminal device. The sensing network element preferentially selects a stationary terminal device or a terminal device moving at a low speed as the at least one target terminal device according to the first information. For another example, the first information includes a terminal type of the at least one candidate terminal device. The sensing network element preferentially selects a terminal device of a suitable terminal type as the at least one target terminal device according to the first information. For example, in a V2X scenario, the sensing network element can preferentially select a terminal device of a vehicle type as the at least one target terminal device. For another example, the sensing network element can select an RSU as the at least one target terminal device.

[0158] Optionally, the sensing network element also selects a sensing mode according to the first information. For example, the sensing network element can select a terminal device supporting a self-initiated and self-received mode as the at least one target terminal device. Thus, the at least one target terminal device adopts the sensing mode shown in FIG. 1e.

[0159] In the present embodiment, the sensing network element can select a corresponding sensing mode based on the first information. Some possible schemes are introduced below in combination with different sensing modes.

[0160] Scenario one: The access network device and the first terminal device perform a sensing process. The access network device is the sender of the first sensing reference signal, and the first terminal device is the receiver of the first sensing reference signal. That is, the sensing network element selects a sensing mode of terminal device-assisted sensing. For example, the sensing mode shown in FIG. 1c.

[0161] For scenario one, the present embodiment provides two possible ways, which are introduced below. The present application is still applicable to other ways, which are not limited in the present application.

[0162] The first way is introduced below in combination with steps 703 to 707.

[0163] Optionally, the embodiment shown in FIG. 7 further includes step 703. Step 703 can be performed after step 701.

[0164] 703、The sensing network element sends a second request to the access network device. Correspondingly, the access network device receives the second request from the sensing network element.

[0165] The second request is used to request to perform the sensing procedure.

[0166] Optionally, the second request comprises a first identifier of the first terminal device, so as to instruct the access network device to perform the sensing procedure with the first terminal device. The first terminal device can be understood as a target terminal device selected by the sensing network element based on the first information. That is, the first terminal device is one of the at least one target terminal device. Optionally, the first terminal device is one of the at least one candidate terminal device.

[0167] Optionally, the second request is further used to indicate a sensing mode adopted to perform the sensing procedure. So as to instruct the access network device to act as a transmitter of the first sensing reference signal, and the first terminal device to act as a receiver of the first sensing reference signal. The access network device and the first terminal device perform the sensing procedure. For example, the second request indicates the sensing mode shown in FIG. 1c.

[0168] It should be understood that if the embodiment shown in FIG. 7 further comprises step 702, the above-mentioned step 703 can be performed after step 702.

[0169] Optionally, the embodiment shown in FIG. 7 further comprises steps 704 to 707. Steps 704 to 707 can be performed after step 703.

[0170] 704、The access network device sends first indication information to the first terminal device. Correspondingly, the first terminal device receives the first indication information from the access network device.

[0171] The first indication information is used to instruct the first terminal device to measure the first sensing reference signal transmitted by the access network device, and report a corresponding sensing measurement result. Optionally, the first indication information is further used to indicate a resource position occupied by the first sensing reference signal. So as to facilitate the first terminal device to receive the first sensing reference signal.

[0172] 705、The access network device transmits the first sensing reference signal. Correspondingly, the first terminal device receives the first sensing reference signal from the access network device.

[0173] 706、The first terminal device measures the first sensing reference signal to obtain a first sensing measurement result.

[0174] Optionally, the first perception measurement result comprises information of time delay, energy, angle of arrival (e.g., can comprise horizontal angle of arrival and / or vertical angle of arrival), and / or phase corresponding to one or more propagation paths between the access network device and the first terminal device. For example, the one or more propagation paths can comprise a first path, a strongest path, and / or a second strongest path between the access network device and the first terminal device.

[0175] Optionally, the first perception measurement result is point cloud data obtained by the first terminal device through the first perception reference signal.

[0176] 707. The first terminal device sends the first perception measurement result to the perception network element. Correspondingly, the perception network element receives the first perception measurement result from the first terminal device.

[0177] Optionally, the above step 707 is an example of the technical solution of the present application in which the first terminal device sends the first perception measurement result to the perception network element. In actual application, the first terminal device can first send the first perception measurement result to the access network device, and then the access network device sends the first perception measurement result to the perception network element, which is not limited in the present application.

[0178] The following introduces mode two in combination with steps 708 to 711.

[0179] Optionally, the embodiment shown in FIG. 7 further comprises step 708. Step 708 can be executed after step 701.

[0180] 708. The perception network element sends a third request to the first terminal device. Correspondingly, the first terminal device receives the third request from the perception network element.

[0181] The third request is used to request to perform a perception process. The first terminal device can be understood as a target terminal device selected by the perception network element based on the first information. That is, the first terminal device is the at least one target terminal device. Optionally, the first terminal device is one of the at least one candidate terminal device. Optionally, the third request is further used to indicate a perception mode adopted to perform the perception process. For example, the third request indicates the perception mode shown in FIG. 1c.

[0182] It should be understood that if the embodiment shown in FIG. 7 further comprises step 708, the above step 708 can be executed after step 702.

[0183] Optionally, the embodiment shown in FIG. 7 further comprises steps 709 to 711. Steps 709 to 711 can be executed after step 708.

[0184] 709. The access network device sends the first perception reference signal. Correspondingly, the first terminal device receives the first perception reference signal from the access network device.

[0185] 710. The first terminal device measures the first sensing reference signal to obtain a first sensing measurement result.

[0186] 711. The first terminal device sends the first sensing measurement result to the sensing network element. Correspondingly, the sensing network element receives the first sensing measurement result from the first terminal device.

[0187] The steps 709 to 711 are similar to the aforementioned steps 705 to 707, and details can be referred to the aforementioned description of the steps 705 to 707, which are not repeated here.

[0188] Scenario two: The sensing procedure is performed between the access network device and the first terminal device. The first terminal device is the sender of the second sensing reference signal, and the access network device is the receiver of the second sensing reference signal. That is, the sensing network element selects the sensing mode of the first terminal device side auxiliary sensing. For example, the sensing mode shown in FIG. 1d.

[0189] The following describes some possible operation procedures in scenario two in combination with the steps 712 to 716. For scenario two, there can be other operation procedures, which are not limited in the present application.

[0190] Optionally, the embodiment shown in FIG. 7 further includes the step 712, which can be performed after the step 701.

[0191] 712. The sensing network element sends a fourth request to the access network device. Correspondingly, the access network device receives the fourth request from the sensing network element.

[0192] The fourth request is used to request to perform the sensing procedure. Optionally, the fourth request includes a first identifier of the first terminal device, so as to instruct the access network device to perform the sensing procedure with the first terminal device. The first terminal device can be understood as a target terminal device selected by the sensing network element based on the first information. That is, the first terminal device is the at least one target terminal device. Optionally, the first terminal device is one of the at least one candidate terminal device.

[0193] Optionally, the fourth request is further used to indicate the sensing mode adopted to perform the sensing procedure. For example, the fourth request indicates the sensing mode shown in FIG. 1d.

[0194] Optionally, the embodiment shown in FIG. 7 further includes the steps 713 to 716, which can be performed after the step 712.

[0195] 713. The access network device sends first configuration information to the first terminal device.

[0196] The first configuration information is used for configuring a resource occupied by the second sensing reference signal. For example, the first configuration information includes a time-frequency resource position for transmitting the second sensing reference signal.

[0197] 714. The first terminal device transmits the second sensing reference signal. Correspondingly, the access network device receives the second sensing reference signal from the first terminal device.

[0198] 715. The access network device measures the second sensing reference signal to obtain a second sensing measurement result.

[0199] The second sensing measurement result is similar to the aforementioned first sensing measurement result, and specific details can be referred to the aforementioned description, which will not be repeated here.

[0200] 716. The access network device transmits the second sensing measurement result to the sensing network element. Correspondingly, the sensing network element receives the second sensing measurement result from the access network device.

[0201] Scenario three: The first terminal device performs the sensing procedure through the self-initiated and self-received mode. That is, the sensing network element selects the sensing mode of the terminal device side sensing. For example, the sensing mode shown in FIG. 1e.

[0202] The following describes some possible operation procedures in scenario three in combination with steps 717 to 720. For scenario three, other operation procedures can also be used, which are not limited in the present application.

[0203] Optionally, the embodiment shown in FIG. 7 further includes step 717, which can be performed after step 701.

[0204] 717. The sensing network element transmits a fifth request to the first terminal device. Correspondingly, the first terminal device receives the fifth request from the sensing network element.

[0205] The fifth request is used for instructing to perform the sensing procedure. The first terminal device can be understood as a target terminal device selected by the sensing network element based on the first information. That is, the first terminal device is the at least one target terminal device. Optionally, the first terminal device is one of the at least one candidate terminal device. Optionally, the fifth request is further used for indicating a sensing mode adopted for performing the sensing procedure, for example, the fifth request indicates the sensing mode shown in FIG. 1e.

[0206] Optionally, if the embodiment shown in FIG. 7 further includes step 702, step 717 can be performed after step 702.

[0207] 718. The first terminal device transmits a third sensing reference signal.

[0208] 719、The first terminal device receives a reflected signal of the third sensing reference signal, and measures the reflected signal to obtain third sensing measurement result information.

[0209] The third sensing measurement result is similar to the first sensing measurement result, and specific details can be referred to the foregoing description of the first sensing measurement result.

[0210] 720、The first terminal device sends the third sensing measurement result to the sensing network element. Correspondingly, the sensing network element receives the third sensing measurement result from the first terminal device.

[0211] Scenario four: The sensing procedure is performed between the first terminal device and the second terminal device. The first terminal device is the sender of the fourth sensing reference signal, and the second terminal device is the receiver of the fourth sensing reference signal. That is, the sensing network element selects the sensing mode of terminal device side sensing. For example, the sensing mode shown in FIG. 1f.

[0212] Some possible operation procedures in scenario four will be introduced below in combination with steps 721 to 724. For scenario four, other operation procedures can also be used, which are not limited in the present application.

[0213] Optionally, the embodiment shown in FIG. 7 further includes step 721, which can be performed after step 701.

[0214] 721、The sensing network element sends a sixth request to the first terminal device. Correspondingly, the first terminal device receives the sixth request from the sensing network element.

[0215] The sixth request is used to request to perform the sensing procedure. Optionally, the sixth request includes a second identifier of the second terminal device. The second identifier of the second terminal device is used to identify the second terminal device between the sensing network element and the second terminal device. For example, the second identifier of the second terminal device is a UE application layer identifier or a sidelink identifier of the second terminal device. Thus, the first terminal device and the second terminal device are instructed to perform the sensing procedure.

[0216] The first terminal device and the second terminal device can be understood as target terminal devices selected by the sensing network element based on the first information. That is, the first terminal device and the second terminal device are the at least one target terminal device. Optionally, the first terminal device and the second terminal device are two of the at least one candidate terminal device.

[0217] In a possible implementation, the first information includes a first identifier of the first terminal device and a first identifier of the second terminal device. The first identifier of the first terminal device is the same as the second identifier of the first terminal device, and the first identifier of the second terminal device is the same as the second identifier of the second terminal device. Therefore, the perception network element can send a sixth request to the first terminal device, where the sixth request carries the second identifier of the second terminal device. Thus, the first terminal device is instructed to perform the perception procedure with the second terminal device.

[0218] In another possible implementation, the first information includes a first identifier of the first terminal device and a first identifier of the second terminal device. The first identifier of the first terminal device is different from the second identifier of the first terminal device, and the first identifier of the second terminal device is different from the second identifier of the second terminal device. Therefore, if the perception network element selects the first terminal device and the second terminal device according to the first information, the perception network element can obtain the second identifier of the second terminal device. Then, the perception network element can send a sixth request to the first terminal device, where the sixth request carries the second identifier of the second terminal device. Optionally, the perception network element can request the second identifier of the second terminal device from the core network device or the gateway device. Alternatively, the second terminal device can actively report the second identifier of the second terminal device.

[0219] Optionally, the embodiment shown in FIG. 7 further includes steps 722 to 724, which can be executed after step 721.

[0220] 722. The first terminal device sends a fourth perception reference signal to the second terminal device. Correspondingly, the second terminal device receives the fourth perception reference signal from the first terminal device.

[0221] 723. The second terminal device measures the fourth perception reference signal to obtain a fourth perception measurement result.

[0222] The fourth perception measurement result is similar to the first perception measurement result, and details can be referred to the foregoing description of the first perception measurement result.

[0223] 724. The second terminal device sends the fourth perception measurement result to the perception network element. Correspondingly, the perception network element receives the fourth perception measurement result from the second terminal device.

[0224] Therefore, the perception network element selects at least one target terminal device according to the first information. Thus, better execution of the perception process is achieved, and the perception accuracy is improved. For example, if the perception network element does not have the motion information of the terminal device and is unaware of the real-time channel condition of the air interface, the terminal device selected by the perception network element can not be able to effectively perform the perception task. For example, the position of the terminal device is not suitable, causing the terminal device to be unable to receive the perception reference signal or the signal quality of the perception reference signal received by the terminal device to be poor, which can result in low perception accuracy. In this application, the access network device provides the first information to the perception network element, so that the perception network element can select a suitable terminal device and enable different perception modes, so that the perception network element can select a suitable perception mode according to the perception task, thereby improving the perception performance.

[0225] In this embodiment, the description of the identifier is taken as an example of the perception network element sending a request message to the access network device, and can also be applied to other messages exchanged between the perception network element and the access network device.

[0226] It should be noted that, optionally, in the separation architecture of the CU and the DU, the access network device in the embodiment shown in FIG. 7 can be a CU, and before the above step 701, the CU requests the first information from the DU. The DU sends the first information to the CU, and correspondingly, the CU receives the first information from the DU.

[0227] It should be noted that in the embodiment shown in FIG. 7, the perception network element can be directly connected with the access network device, or can be connected with the access network device through the core network device. For the case that the perception network element is connected with the access network device through the core network device, the perception network element can first send a corresponding request to the core network device, and then the core network device sends a UE association message to the access network device using an NGAP interface. Alternatively, the perception network element can first send a corresponding request to the core network device, and then the core network device sends the request to the first terminal device through a NAS layer message.

[0228] In the embodiment of the application, the perception network element receives the first information from the access network device, and the first information is used to indicate the information of at least one candidate terminal device, which is a candidate terminal device for performing the perception process. Then, the perception network element selects at least one target terminal device according to the first information, and the at least one target terminal device is used to perform the perception process. Thus, the perception network element selects a suitable terminal device to participate in the perception process based on the first information, and the perception accuracy is improved.

[0229] FIG. 8 is another embodiment of a terminal device selection method and an information sending method according to an embodiment of the application. Please refer to FIG. 8, the method includes the following steps.

[0230] It should be noted that the embodiment shown in FIG. 8 takes the sensing network element and the core network device as the execution subject of the interaction diagram for example to illustrate the method, but the application does not limit the execution subject of the interaction diagram. For example, the execution subject in step 801a and step 801 in the embodiment shown in FIG. 8 is the core network device, and the execution subject can also be a chip, a chip system, or a processor supporting the core network device to implement the method, and can also be a logical module or software capable of implementing all or part of the function of the core network device. The execution subject in step 801a, step 801, and step 802 in the embodiment shown in FIG. 8 is the sensing network element, and the execution subject can also be a chip, a chip system, or a processor supporting the sensing network element to implement the method, and can also be a logical module or software capable of implementing all or part of the function of the sensing network element.

[0231] 801. The core network device sends first information to the sensing network element. Correspondingly, the sensing network element receives the first information from the core network device.

[0232] In the embodiment, the first information is similar to the first information in step 701 in the embodiment shown in FIG. 7, and the difference is that the first information includes the identification information of the at least one candidate terminal device. In the embodiment, some possible implementation manners of the identification information of the at least one candidate terminal device are introduced below.

[0233] Implementation manner 1: The identification information of the at least one candidate terminal device includes a third identification of the at least one candidate terminal device. For example, the identification information of the at least one candidate terminal device includes a subscription permanent identifier (SUPI) of the at least one candidate terminal device.

[0234] Implementation manner 2: The identification information of the at least one candidate terminal device includes a fourth identification of the at least one candidate terminal device. Optionally, the fourth identification of the at least one candidate terminal device can be allocated by the access network device, the core network device, or the sensing network element.

[0235] Optionally, the fourth identification of the at least one candidate terminal device can be an identification allocated by the access network device. For example, RNTI, RAN UE NGAP ID, or other identifications allocated by the access network device for sensing, etc. For example, the RNTI can be a C-RNTI or an I-RNTI.

[0236] Optionally, the fourth identity of the at least one candidate terminal device can be allocated by a core network device. For example, 5G-S-TMSI, or AMF UE NGAP ID. Optionally, the identity information of the at least one candidate terminal device further carries a gNB ID. Or other identities allocated by the AMF for sensing, etc. Optionally, the identity information of the at least one candidate terminal device further carries an AMF ID.

[0237] Optionally, the fourth identity of the at least one candidate terminal device can be allocated by a sensing network element, for example, an ID related to a sensing process allocated by the sensing network element. Optionally, the identity information of the at least one candidate terminal device further carries an identity of the sensing network element.

[0238] Optionally, the fourth identity of the at least one candidate terminal device can also be allocated by an application layer. For example, V2X, ProSe, ranging and sidelink positioning, XR, etc. The application layer allocates an application layer identity for the at least one candidate terminal device. For example, the first identity of the at least one candidate terminal device is a UE application layer identity or a sidelink identity of the at least one candidate terminal device.

[0239] Implementation 3: The identity information of the at least one candidate terminal device includes the third identity of the at least one candidate terminal device and the fourth identity of the at least one candidate terminal device.

[0240] Optionally, the core network device is an AMF.

[0241] Optionally, the embodiment shown in FIG. 8 further includes step 801a, which can be executed before step 801.

[0242] 801a, the sensing network element sends a first request to the core network device. Correspondingly, the core network device receives the first request from the sensing network element.

[0243] The first request is similar to the first request in step 701a in the embodiment shown in FIG. 7, and specific details can be referred to the related description in step 701a in the embodiment shown in FIG. 7, which will not be repeated here.

[0244] Optionally, the embodiment shown in FIG. 8 further includes step 802, which can be executed after step 801.

[0245] 802, the sensing network element selects at least one target terminal device according to the first information.

[0246] Step 802 is similar to step 702 in the embodiment shown in FIG. 7, and specific details can be referred to the related description in step 702 in the embodiment shown in FIG. 7, which will not be repeated here.

[0247] In this embodiment, optionally, the perception network element can select a corresponding perception mode based on the first information, and different schemes are executed in different perception modes. For details, refer to the related descriptions of scenarios one to four in steps 703 to 724.

[0248] Based on the implementation manner 1 of the identification information of the at least one candidate terminal device in step 801, the differences between this embodiment and the embodiment shown in FIG. 7 are described below with respect to scenarios one to four.

[0249] The difference between this embodiment and the embodiment shown in FIG. 7 is that:

[0250] 1. For the manner one of scenario one, in this embodiment, the perception network element sends the second request in step 703 to the access network device through the UE association message. Specifically, the perception network element sends the second request to the core network device, the second request carries the third identification of the first terminal device, and then the core network device sends the UE association message to the access network device using the NGAP interface. Thus, the access network device is instructed to execute the perception process with the first terminal device.

[0251] 2. For the manner two of scenario one, in this embodiment, the perception network element sends the third request to the core network device, and the second request carries the third identification of the first terminal device. The core network device sends the third request in step 708 to the first terminal device through the non-access stratum (NAS) layer message.

[0252] 3. For scenario two, in this embodiment, the perception network element sends the fourth request in step 712 to the access network device through the UE association message. Specifically, the perception network element sends the fourth request to the core network device, and the fourth request carries the third identification of the first terminal device. Then, the core network device sends the UE association message to the access network device using the NGAP interface. Thus, the access network device is instructed to execute the perception process with the first terminal device.

[0253] 4. For scenario three, in this embodiment, the perception network element sends the fifth request to the core network device, and the fifth request carries the third identification of the first terminal device. The core network device sends the fifth request in step 717 to the first terminal device through the NAS layer message.

[0254] 5. For scenario four, in this embodiment, the perception network element sends a sixth request to the core network device, and the sixth request carries the third identifier of the first terminal device. The core network device sends the sixth request in the above step 721 to the first terminal device through a NAS layer message. Optionally, the sixth request can also carry the UE application layer identifier or the sidelink identifier of the second terminal device. Optionally, the perception network element can request the UE application layer identifier or the sidelink identifier of the second terminal device from the core network device. Alternatively, the second terminal device can actively report the UE application layer identifier or the sidelink identifier of the second terminal device.

[0255] Based on the implementation manner 2 in the above identifier information of the at least one candidate terminal device, the differences between this embodiment and the embodiment shown in FIG. 7 will be introduced below for scenarios one to four.

[0256] When the perception network element and the core network device interact with messages, the identifier of the first terminal device carried in the message can be the fourth identifier of the first terminal device.

[0257] Based on the implementation manner 3 in the above identifier information of the at least one candidate terminal device, the differences between this embodiment and the embodiment shown in FIG. 7 will be introduced below for scenarios one to four.

[0258] The difference between this embodiment and the implementation manner 2 is that:

[0259] When the perception network element and the core network device interact with messages, for the case that the message carries the identifier of the first terminal device, the identifier of the first terminal device can be the third identifier of the first terminal device; for the case that the message carries the identifier of the second terminal device, the identifier of the second terminal device is the third identifier of the second terminal device. Optionally, for the case that the message carries the identifier of the first terminal device, the fourth identifier of the first terminal device can also be carried in the message. For the case that the message carries the identifier of the second terminal device, the fourth identifier of the second terminal device can also be carried in the message.

[0260] In the embodiment of the application, the perception network element receives first information from the core network device, and the first information is used to indicate the information of at least one candidate terminal device, which is a terminal device candidate for performing a perception process. Then, the perception network element selects at least one target terminal device according to the first information, and the at least one target terminal device is used to perform the perception process. Thus, the perception network element selects a suitable terminal device to participate in the perception process based on the first information, and the perception accuracy is improved.

[0261] FIG. 9 is another embodiment of a terminal device selection method and an information sending method according to the application. Please refer to FIG. 9, the method includes the following steps.

[0262] It should be noted that the embodiment shown in FIG. 9 takes the positioning network element and the perception network element as the execution subject of the interaction diagram for example to illustrate the method, but the application does not limit the execution subject of the interaction diagram. For example, the execution subject of the step 901a and the step 901 in the embodiment shown in FIG. 9 is the positioning network element, and the execution subject can also be a chip, a chip system, or a processor supporting the positioning network element to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the positioning network element. The execution subject of the step 901a, the step 901, and the step 902 in the embodiment shown in FIG. 9 is the perception network element, and the execution subject can also be a chip, a chip system, or a processor supporting the perception network element to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the perception network element.

[0263] 901. The positioning network element sends the first information to the perception network element. Correspondingly, the access network device or the perception network element receives the first information from the positioning network element.

[0264] In the embodiment, the first information is similar to the first information in the step 801 in the embodiment shown in FIG. 8, and the difference is that the first information includes the identification information of the at least one candidate terminal device. In the embodiment, the identification information of the at least one candidate terminal device includes the third identification of the at least one candidate terminal device. For the third identification of the at least one candidate terminal device, please refer to the related description described above.

[0265] Optionally, the embodiment shown in FIG. 9 further includes the step 901a. The step 901a can be performed before the step 901.

[0266] 901a. The perception network element sends the first request to the positioning network element. Correspondingly, the positioning network element receives the first request from the access network device or the perception network element.

[0267] The step 901a is similar to the step 701a in the embodiment shown in FIG. 7, and for details, please refer to the related description of the step 701a in the embodiment shown in FIG. 7, which will not be described here.

[0268] Optionally, the embodiment shown in FIG. 9 further includes the step 902, and the step 902 can be performed after the step 901.

[0269] 902. The perception network element selects at least one target terminal device according to the first information.

[0270] The step 902 is similar to the step 702 in the embodiment shown in FIG. 7, and for details, please refer to the related description of the step 702 in the embodiment shown in FIG. 7, which will not be described here.

[0271] In this embodiment, optionally, the perception network element can select a corresponding perception mode based on the first information, and different schemes are executed in different perception modes. For details, refer to the foregoing descriptions of scenarios one to four in steps 703 to 724.

[0272] In the embodiment of the present application, the perception network element receives the first information from the positioning network element, and the first information is used to indicate information of at least one candidate terminal device, which is a candidate terminal device for executing a perception process. Then, the perception network element selects at least one target terminal device according to the first information, and the at least one target terminal device is used to execute the perception process. Thus, the perception network element selects a suitable terminal device to participate in the perception process based on the first information, and the perception accuracy is improved.

[0273] The above embodiments are described by taking that the perception network element receives the first information from the access network device, the core network device or the positioning network element as an example to introduce the technical scheme of the present application. In actual application, the perception network element can also obtain the first information from a gateway device, which is not limited in the present application. For example, the perception network element obtains the first information from operations, administration and maintenance (OAM).

[0274] FIG. 10 is another embodiment of a terminal device selection method and an information sending method according to the present application. As shown in FIG. 10, the method includes the following steps.

[0275] It should be noted that the access network device, the core network device, the first terminal device, the second terminal device and the perception network element are taken as the execution subject of the interaction in the embodiment shown in FIG. 10, but the application does not limit the execution subject of the interaction. For example, the execution subject in the steps 1001a to 1004, the steps 1007 to 1011, the steps 1014 to 1015, the steps 1018 in the embodiment shown in FIG. 10 is the access network device, and the execution subject can also be a chip, a chip system or a processor supporting the access network device to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the access network device. The execution subject in the steps 1001a and 1001 in the embodiment shown in FIG. 10 is the core network device, and the execution subject can also be a chip, a chip system or a processor supporting the core network device to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the core network device. The execution subject in the steps 1003 to 1008 and the steps 1011 to 1016 in the embodiment shown in FIG. 10 is the first terminal device, and the execution subject can also be a chip, a chip system or a processor supporting the first terminal device to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the first terminal device. The execution subject in the steps 1016 to 1018 in the embodiment shown in FIG. 10 is the second terminal device, and the execution subject can also be a chip, a chip system or a processor supporting the second terminal device to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the second terminal device. The execution subject in the steps 1006, 1010, 1014 and 1018 in the embodiment shown in FIG. 10 is the perception network element, and the execution subject can also be a chip, a chip system or a processor supporting the perception network element to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the perception network element.

[0276] 1001. The core network device sends first information to the access network device. Correspondingly, the access network device receives the first information from the core network device.

[0277] In this embodiment, the first information is similar to the first information in the embodiment shown in FIG. 8, and the related description in the step 801 can be referred to, which is not described here.

[0278] Optionally, the embodiment shown in FIG. 10 further includes the step 1001a. The step 1001a can be performed before the step 1001.

[0279] 1001a. The access network device sends a first request to the core network device. Correspondingly, the core network device receives the first request from the access network device.

[0280] Step 1001a is similar to step 701a in the foregoing embodiment shown in FIG. 7, and details can be referred to the related description of step 1001a in the foregoing embodiment shown in FIG. 7, which will not be repeated here.

[0281] Optionally, the embodiment shown in FIG. 10 further includes step 1002. Step 1003 can be executed after step 1001.

[0282] 1002. The access network device selects at least one target terminal device according to the first information.

[0283] Step 1002 is similar to step 702 in the foregoing embodiment shown in FIG. 7, and details can be referred to the related description of step 702 in the foregoing embodiment shown in FIG. 7.

[0284] In this embodiment, the access network device can select a corresponding sensing mode based on the first information. Some possible schemes are introduced below in combination with different sensing modes.

[0285] Scenario one: the access network device and the first terminal device perform a sensing process. The access network device is the sender of the first sensing reference signal, and the first terminal device is the receiver of the echo signal of the first sensing reference signal. That is, the sensing mode of the sensing network element selects the terminal device assisted sensing. For example, the sensing mode shown in FIG. 1c.

[0286] Some possible operation processes in scenario one are introduced below in combination with steps 1003 to 1006. For scenario one, there can be other ways of operation process, which are not limited in the present application.

[0287] 1003. The access network device sends first indication information to the first terminal device. Correspondingly, the first terminal device receives the first indication information from the access network device.

[0288] 1004. The access network device sends the first sensing reference signal to the first terminal device. Correspondingly, the access network device receives the first sensing reference signal from the first terminal device.

[0289] 1005. The first terminal device measures the first sensing reference signal to obtain a first sensing measurement result.

[0290] 1006. The first terminal device sends the first sensing measurement result to the sensing network element. Correspondingly, the sensing network element receives the first sensing measurement result from the first terminal device.

[0291] Steps 1003 to 1006 are similar to steps 704 to 707 in the foregoing embodiment shown in FIG. 7, and details can be referred to the related description of steps 704 to 707 in the foregoing embodiment shown in FIG. 7.

[0292] Scenario two: the sensing procedure is performed between the access network device and the first terminal device. The first terminal device is the sender of the second sensing reference signal, and the access network device is the receiver of the second sensing reference signal. That is, the sensing mode of the sensing network element selects the terminal device to assist sensing. For example, the sensing mode shown in FIG. 1c.

[0293] The following describes some possible operation procedures in scenario one in combination with steps 1007 to 1010. For scenario two, there can be other operation procedures, which are not limited in the present application.

[0294] 1007. The access network device sends first configuration information to the first terminal device. Correspondingly, the first terminal device receives the first configuration information from the access network device.

[0295] 1008. The first terminal device sends the second sensing reference signal to the access network device. Correspondingly, the access network device receives the second sensing reference signal from the first terminal device.

[0296] 1009. The access network device measures the second sensing reference signal to obtain a second sensing measurement result.

[0297] 1010. The access network device sends the second sensing measurement result to the sensing network element. Correspondingly, the sensing network element receives the second sensing measurement result from the access network device.

[0298] Steps 1007 to 1010 are similar to steps 713 to 716 in the embodiment shown in FIG. 7, and the relevant description of steps 713 to 716 in the embodiment shown in FIG. 7 can be referred to.

[0299] Scenario three: the first terminal device performs the sensing procedure in the self-sending and self-receiving mode. That is, the sensing mode of the sensing network element selects the terminal device side sensing. For example, the sensing mode shown in FIG. 1e.

[0300] The following describes some possible operation procedures in scenario three in combination with steps 1011 to 1014. For scenario three, there can be other operation procedures, which are not limited in the present application.

[0301] 1011. The access network device sends second indication information to the first terminal device. Correspondingly, the first terminal device receives the second indication information from the access network device.

[0302] The second indication information is used to indicate to perform the sensing procedure. The first terminal device can be understood as a target terminal device selected by the access network device based on the first information. That is, the first terminal device is the at least one target terminal device. Optionally, the first terminal device is one of the at least one candidate terminal device. Optionally, the second indication information is also used to indicate a sensing mode adopted to perform the sensing procedure, for example, the second indication information indicates the sensing mode shown in FIG. 1e.

[0303] 1012. The first terminal device sends a third sensing reference signal.

[0304] 1013. The first terminal device measures a reflected signal of the third sensing reference signal after reflection to obtain a third sensing measurement result.

[0305] 1014. The first terminal device sends the third sensing measurement result to the access network device. Correspondingly, the access network device receives the third sensing measurement result from the first terminal device.

[0306] Steps 1012 to 1014 are similar to steps 718 to 720 in the embodiment shown in FIG. 7, and specific reference can be made to the related description of steps 718 to 720 in the embodiment shown in FIG. 7, which will not be repeated here.

[0307] Scenario four: The sensing procedure is performed between the first terminal device and the second terminal device. The first terminal device is the sender of the fourth sensing reference signal, and the second terminal device is the receiver of the fourth sensing reference signal. That is, the sensing mode of the terminal device side sensing is selected by the sensing network element. For example, the sensing mode shown in FIG. 1f.

[0308] Some possible operation procedures in scenario four will be introduced below in combination with steps 1015 to 1018. For scenario four, other operation procedures can also be used, which are not limited in the present application.

[0309] 1015. The access network device sends a seventh request to the first terminal device. Correspondingly, the first terminal device receives the seventh request from the access network device.

[0310] The seventh request is used to request to perform the sensing procedure. Optionally, the seventh request includes a fourth identifier of the second terminal device. For example, the fourth identifier of the second terminal device can be a UE application layer identifier or a sidelink identifier of the second terminal device. Thus, the first terminal device and the second terminal device are indicated to perform the sensing procedure.

[0311] The first terminal device and the second terminal device can be understood as target terminal devices selected by the access network device based on the first information. That is, the first terminal device and the second terminal device are the at least one target terminal device. Optionally, the first terminal device and the second terminal device are two of the at least one candidate terminal device.

[0312] Optionally, the access network device can obtain the fourth identifier of the second terminal device from the second terminal device.

[0313] 1016. The first terminal device sends the fourth sensing reference signal to the second terminal device. Correspondingly, the second terminal device receives the fourth sensing reference signal from the first terminal device.

[0314] 1017. The second terminal device measures the fourth sensing reference signal to obtain a fourth sensing measurement result.

[0315] 1018. The second terminal device sends the fourth sensing measurement result to the sensing network element. Correspondingly, the sensing network element receives the fourth sensing measurement result from the second terminal device.

[0316] Steps 1016 to 1018 are similar to steps 722 to 724 in the embodiment shown in FIG. 7, and details can be referred to the related description of steps 722 to 724 in the embodiment shown in FIG. 7, which will not be repeated here.

[0317] Optionally, the above step 1018 is introduced by taking the second terminal device sending the fourth sensing measurement result to the sensing network element as an example. In actual application, the second terminal device can send the fourth sensing measurement result to the first terminal device.

[0318] In the embodiment of the present application, the access network device receives the first information from the core network device, and the first information is used to indicate information of at least one candidate terminal device, which is a candidate terminal device for performing a sensing process. Then, the access network device selects at least one target terminal device according to the first information, and the at least one target terminal device is used to perform a sensing process. Thus, the access network device selects a suitable terminal device to participate in a sensing process based on the first information, and the sensing accuracy is improved.

[0319] FIG. 11 is another embodiment of a terminal device selection method and an information sending method according to the present application. Please refer to FIG. 11, the method includes the following steps.

[0320] It should be noted that the embodiment shown in FIG. 11 takes the positioning network element and the access network device as the execution subject of the interaction diagram for example to illustrate the method, but the application does not limit the execution subject of the interaction diagram. For example, the execution subject of the step 1101a and the step 1101 in the embodiment shown in FIG. 11 is the positioning network element, and the execution subject can also be a chip, a chip system, or a processor supporting the positioning network element to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the positioning network element. The execution subject of the step 1101a, the step 1101, and the step 1102 in the embodiment shown in FIG. 11 is the access network device, and the execution subject can also be a chip, a chip system, or a processor supporting the access network device to implement the method, and can also be a logic module or software capable of implementing all or part of the function of the access network device.

[0321] 1101. The positioning network element sends first information to the access network device. Correspondingly, the access network device receives the first information from the positioning network element.

[0322] In a possible implementation manner, the access network device requests the first information from the positioning network element through a core network device or a gateway device.

[0323] In this embodiment, the first information is similar to the first information in the step 801 in the embodiment shown in FIG. 8, and the difference is that the first information includes the identification information of the at least one candidate terminal device. In this embodiment, the identification information of the at least one candidate terminal device includes the third identification of the at least one candidate terminal device. For the third identification of the at least one candidate terminal device, refer to the related description described above. Optionally, the positioning network element obtains the third identification of the at least one candidate terminal device through a core network device or a gateway device (for example, a gateway mobile location center (GMLC)).

[0324] Optionally, the embodiment shown in FIG. 11 further includes the step 1101a, and the step 1101a can be performed before the step 1101.

[0325] 1101a. The access network device sends a first request to the positioning network element. Correspondingly, the positioning network element receives the first request from the access network device.

[0326] The step 1101a is similar to the step 701a in the embodiment shown in FIG. 7, and for details, refer to the related description of the step 701a in the embodiment shown in FIG. 7, which will not be described here.

[0327] Optionally, the embodiment shown in FIG. 11 further includes the step 1102, and the step 1102 can be performed before the step 1101.

[0328] 1102、The access network device selects at least one target terminal device according to the first information.

[0329] Step 1102 is similar to step 702 in the foregoing embodiment shown in FIG. 7, and details can be referred to the related description of step 702 in the foregoing embodiment shown in FIG. 7, which will not be repeated here.

[0330] In this embodiment, optionally, the access network device can select a corresponding sensing mode based on the first information, and different schemes are executed in different sensing modes. The access network device and the first terminal device can execute the operation process of steps 1003 to 1014 in the foregoing embodiment shown in FIG. 10. Alternatively, the access network device, the first terminal device and the second terminal device can execute the operation process of steps 1015 to 1018 in the foregoing embodiment shown in FIG. 10.

[0331] In the embodiment of the application, the access network device receives the first information from the positioning network element, and the first information is used to indicate information of at least one candidate terminal device, which is a candidate terminal device for executing a sensing process. Then, the access network device selects at least one target terminal device according to the first information, and the at least one target terminal device is used to execute the sensing process. Thus, the access network device selects a suitable terminal device to participate in the sensing process based on the first information, and the sensing accuracy is improved.

[0332] The communication device related to the application will be introduced below.

[0333] FIG. 12 is a structural schematic diagram of a communication device according to an embodiment of the application. Please refer to FIG. 12, the communication device 1200 includes a transceiver module 1201 and a processing module 1202.

[0334] The communication device 1200 includes a sensing network element or an access network device, or a component (for example, a chip), a module or a unit in the sensing network element or the access network device.

[0335] The communication device 1200 can be used to execute all or some of the steps performed by the sensing network element or the access network device in the foregoing embodiments shown in FIG. 7 to FIG. 11, and details can be referred to the related description in the foregoing embodiments shown in FIG. 7 to 11.

[0336] The processing module 1202 is used for data processing. The transceiver module 1201 is used to realize corresponding communication functions.

[0337] Optionally, the transceiver module 1201 can include a sending module and a receiving module. The sending module is used to execute the sending operation in the foregoing method embodiments. The receiving module is used to execute the receiving operation in the foregoing method embodiments.

[0338] It should be noted that the communication apparatus 1200 can include the sending module but not the receiving module. Alternatively, the communication apparatus 1200 can include the receiving module but not the sending module. Whether the sending module or the receiving module is included can depend on whether the communication apparatus 1200 performs the sending action or the receiving action in the above-mentioned schemes.

[0339] Optionally, the communication apparatus 1200 further includes a storage module, which can be configured to store instructions and / or data. The processing module 1202 can read the instructions and / or data in the storage module, so that the communication apparatus 1200 implements the foregoing method embodiments.

[0340] The communication apparatus 1200 can be configured to perform the actions performed by the sensing network element or the access network device in the above embodiments. The processing module 1202 is configured to perform the processing-related operations of the sensing network element or the access network device side in the above method embodiments. The transceiver module 1201 is configured to perform the receiving-related operations of the sensing network element or the access network device side in the above method embodiments.

[0341] For example, the communication apparatus 1200 is configured to perform the following schemes.

[0342] The transceiver module 1201 is configured to receive first information, where the first information is used to indicate information of at least one candidate terminal device, and the at least one candidate terminal device is a candidate terminal device used to perform a sensing procedure.

[0343] The processing module 1202 is configured to select at least one target terminal device according to the first information, where the at least one target terminal device is used to perform the sensing procedure.

[0344] In a possible implementation, the transceiver module 1201 is specifically configured to receive the first information from an access network device, a core network device, or a positioning network element.

[0345] In another possible implementation, the transceiver module 1201 is further configured to send a first request, where the first request is used to request information of a candidate terminal device used to perform the sensing procedure.

[0346] In another possible implementation, the transceiver module 1201 is further configured to send the first request to an access network device, a core network device, or a positioning network element.

[0347] In another possible implementation, the identification information of the at least one candidate terminal device includes a first identifier of the at least one candidate terminal device, and the first identifier of the at least one candidate terminal device is an identifier that is unique between the access network device and the communication apparatus 1200 and is used to identify the at least one candidate terminal device. The transceiver module 1201 is further configured to send a second request to the access network device, where the second request is used to request execution of the sensing procedure, and the second request includes the first identifier of the first terminal device.

[0348] In an implementation, the transceiver 1201 is further configured to send, to the first terminal device, a third request, the third request being used to request to perform the sensing procedure.

[0349] In an implementation, the identification information of the at least one candidate terminal device comprises a first identification of the at least one candidate terminal device, the first identification of the at least one candidate terminal device being an identification unique between the communication apparatus 1200 and the sensing network element for identifying the at least one candidate terminal device; and the transceiver 1201 is further configured to send, to the first terminal device, a seventh request, the seventh request being used to request to perform the sensing procedure, the seventh request comprising a second identification of a second terminal device, the second terminal device being used by the first terminal device to identify the first terminal device.

[0350] It should be understood that the specific processes by which the modules perform the corresponding processes described above have been described in detail in the method embodiments described above, and thus will not be described here again for the sake of brevity.

[0351] The processing module 1202 in the above embodiments can be implemented by at least one processor or processor-related circuit. The transceiver 1201 can be implemented by a transceiver or transceiver-related circuit. The transceiver 1201 can also be referred to as a communication module or a communication interface. The storage module can be implemented by at least one memory.

[0352] FIG. 13 is a structural schematic diagram of a communication apparatus according to an embodiment of the present application. As shown in FIG. 13, the communication apparatus 1300 comprises a transceiver 1301 and a processing module 1302.

[0353] The communication apparatus 1300 can be an access network device, a core network device, or a positioning network element, or a component (for example, a chip), module or unit in the access network device, the core network device, or the positioning network element.

[0354] The communication apparatus 1300 can be configured to perform all or some of the steps of the access network device, the core network device, or the positioning network element in the embodiments shown in FIGS. 7 to 11 described above. For details, refer to the related description in the embodiments shown in FIGS. 7 to 11 described above.

[0355] The processing module 1302 is configured to perform data processing. The transceiver 1301 is configured to implement corresponding communication functions.

[0356] Optionally, the transceiver 1301 can include a sending module and a receiving module. The sending module is configured to perform the sending operations in the method embodiments described above. The receiving module is configured to perform the receiving operations in the method embodiments described above.

[0357] It should be noted that the communication apparatus 1300 can include the sending module but not the receiving module. Alternatively, the communication apparatus 1300 can include the receiving module but not the sending module. Whether the communication apparatus 1300 includes the sending module or the receiving module can depend on whether the communication apparatus 1300 performs the sending action or the receiving action in the above-mentioned schemes.

[0358] Optionally, the communication apparatus 1300 further includes a storage module, which can be configured to store instructions and / or data. The processing module 1302 can read the instructions and / or data in the storage module, so that the communication apparatus 1300 implements the foregoing method embodiments.

[0359] The communication apparatus 1300 can be configured to perform the actions of the access network device, the core network device, or the positioning network element in the above embodiments. The processing module 1302 is configured to perform the processing-related operations of the access network device, the core network device, or the positioning network element in the above method embodiments. The transceiver module 1301 is configured to perform the receiving-related operations of the access network device, the core network device, or the positioning network element in the above method embodiments.

[0360] For example, the communication apparatus 1300 is configured to perform the following schemes.

[0361] The processing module 1302 is configured to determine first information, the first information being used to indicate information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device used to perform a perception process.

[0362] The transceiver module 1301 is configured to send the first information to the perception network element or the access network device.

[0363] In a possible implementation, the transceiver module 1301 is specifically configured to receive a first request from the perception network element or the access network device, the first request being used to request information of a candidate terminal device used to perform a perception process.

[0364] It should be understood that the specific processes in which the modules perform the above-mentioned corresponding processes have been described in detail in the above method embodiments, and thus are not described here again for the sake of brevity.

[0365] The processing module 1302 in the above embodiments can be implemented by at least one processor or processor-related circuit. The transceiver module 1301 can be implemented by a transceiver or transceiver-related circuit. The transceiver module 1301 can also be referred to as a communication module or a communication interface. The storage module can be implemented by at least one memory.

[0366] The present application also provides another communication apparatus. FIG. 14 is another structural schematic diagram of the communication apparatus according to an embodiment of the present application. As shown in FIG. 14, the communication apparatus 1400 includes a processor 1401.

[0367] Optionally, the communication apparatus 1400 further includes a memory 1402.

[0368] Optionally, the communication apparatus 1400 further includes a transceiver 1403.

[0369] In a possible implementation, the processor 1401, the memory 1402 and the transceiver 1403 are connected through a bus respectively, and the memory 1402 stores computer instructions.

[0370] In a possible implementation, when the communication apparatus 1400 includes a sensing network element, or a component (for example, a chip), a module or a unit in the sensing network element, the communication apparatus 1400 can be used to execute steps performed by the sensing network element in the method embodiments described above, and the related description can be referred to in the method embodiments described above.

[0371] In this implementation, the processing module 1202 in the embodiment shown in FIG. 12 can be the processor 1401, and the transceiving module 1201 in the embodiment shown in FIG. 12 can be the transceiver 1402.

[0372] In another possible implementation, when the communication apparatus 1400 includes an access network device, or a component (for example, a chip), a module or a unit in the access network device, the communication apparatus 1400 can be used to execute steps performed by the access network device in the method embodiments described above, and the related description can be referred to in the method embodiments described above.

[0373] In this implementation, the processing module 1202 in the embodiment shown in FIG. 12 can be the processor 1401, and the transceiving module 1201 in the embodiment shown in FIG. 12 can be the transceiver 1402. Alternatively, the processing module 1302 in the embodiment shown in FIG. 13 can be the processor 1401, and the transceiving module 1301 in the embodiment shown in FIG. 13 can be the transceiver 1402.

[0374] In another possible implementation, when the communication apparatus 1400 includes a core network device, or a component (for example, a chip), a module or a unit in the core network device, the communication apparatus 1400 can be used to execute steps performed by the core network device in the method embodiments described above, and the related description can be referred to in the method embodiments described above.

[0375] In this implementation, the processing module 1302 in the embodiment shown in FIG. 13 can be the processor 1401, and the transceiving module 1301 in the embodiment shown in FIG. 13 can be the transceiver 1402.

[0376] In an alternative implementation, when the communication apparatus 1400 comprises a positioning network element, or a component (e.g., a chip), a module or a unit within the positioning network element, the communication apparatus 1400 can be configured to perform the steps executed by the positioning network element in the above method embodiments, and details can be referred to the related description in the above method embodiments.

[0377] The processing module 1302 in the embodiment shown in FIG. 13 can be the processor 1401, and the transceiver module 1301 in the embodiment shown in FIG. 13 can be the transceiver 1402.

[0378] The present application further provides a communication system, which comprises a perception network element configured to perform all or part of the steps performed by the perception network element in the embodiment shown in FIG. 7, and an access network device configured to perform all or part of the steps performed by the access network device in the embodiment shown in FIG. 7. Optionally, the communication system further comprises a first terminal device configured to perform all or part of the steps performed by the first terminal device in the embodiment shown in FIG. 7. Optionally, the communication system further comprises a second terminal device configured to perform all or part of the steps performed by the second terminal device in the embodiment shown in FIG. 7.

[0379] The present application further provides another communication system, which comprises a core network device configured to perform all or part of the steps performed by the core network device in the embodiment shown in FIG. 8, and a perception network element configured to perform all or part of the steps performed by the perception network element in the embodiment shown in FIG. 8.

[0380] The present application further provides another communication system, which comprises a positioning network element configured to perform all or part of the steps performed by the positioning network element in the embodiment shown in FIG. 9, and a perception network element configured to perform all or part of the steps performed by the perception network element in the embodiment shown in FIG. 9.

[0381] The present application further provides another communication system, which comprises a core network device configured to perform all or part of the steps performed by the core network device in the embodiment shown in FIG. 10, and an access network device configured to perform all or part of the steps performed by the access network device in the embodiment shown in FIG. 10. Optionally, the communication system further comprises a first terminal device configured to perform all or part of the steps performed by the first terminal device in the embodiment shown in FIG. 10. Optionally, the communication system further comprises a perception network element configured to perform all or part of the steps performed by the perception network element in the embodiment shown in FIG. 10. Optionally, the communication system further comprises a second terminal device configured to perform all or part of the steps performed by the second terminal device in the embodiment shown in FIG. 10.

[0382] The application also provides another communication system, which comprises a positioning network element configured to perform all or part of the steps performed by the positioning network element in the embodiment shown in FIG. 11, and an access network device configured to perform all or part of the steps performed by the access network device in the embodiment shown in FIG. 11.

[0383] The embodiments of the application also provide a computer program product comprising computer instructions, which, when executed on a computer, cause the computer to perform the method of the embodiments shown in FIG. 7 to FIG. 11.

[0384] The embodiments of the application also provide a computer readable storage medium comprising computer instructions, which, when executed on a computer, cause the computer to perform the method of the embodiments shown in FIG. 7 to FIG. 11.

[0385] The embodiments of the application also provide a chip device comprising a processor, configured to invoke computer programs or computer instructions stored in a memory, so that the processor performs the method of the embodiments shown in FIG. 7 to FIG. 11.

[0386] Optionally, the processor is coupled with the memory through an interface.

[0387] Optionally, the chip device further comprises the memory, and the memory stores the computer programs or computer instructions.

[0388] The processor mentioned in any of the above can be a general central processing unit, a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of programs of the method of the embodiments shown in FIG. 7 to FIG. 11. The memory mentioned in any of the above can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM), etc.

[0389] In several embodiments provided in the application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the device embodiments described above are merely schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units or components shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or other forms.

[0390] The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, i.e. may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0391] In addition, the functional units in each embodiment of the present application can be integrated in one processing unit, or each unit can be physically present separately, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.

[0392] The integrated unit, if realized in the form of a software functional unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on this understanding, the part of the technical scheme of the present application that essentially contributes or the whole or part of the technical scheme can be embodied in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application.

[0393] The above embodiments are only used to illustrate the technical scheme of the present application, not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present application.

Claims

1. A terminal device selection method, characterized by, The method comprises: receiving first information, the first information being used for indicating information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device for performing a sensing procedure; selecting at least one target terminal device according to the first information, the at least one target terminal device being used for performing the sensing procedure.

2. An information transmission method characterized by comprising: The method comprises: determining first information, the first information being used for indicating information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device for performing a sensing procedure; sending the first information to a sensing network element or an access network device.

3. The method of claim 1, wherein, The method is applied to a sensing network element; the receiving first information comprises: receiving the first information from an access network device, a core network device, or a positioning network element; or, The method is applied to the access network device; the receiving first information comprises: receiving the first information from a core network device or a positioning network element.

4. The method according to claim 1 or 3, characterized in that, Before the receiving first information, the method further comprises: sending a first request, the first request being used for requesting information of a candidate terminal device for performing the sensing procedure.

5. The method of claim 4, wherein, The method is applied to a sensing network element, and the sending first request comprises: sending the first request to an access network device, a core network device, or a positioning network element; or, The method is applied to an access network device, and the sending first request comprises: sending the first request to a core network device or a positioning network element.

6. The method of claim 2, wherein, Before the sending the first information to the sensing network element or the access network device, the method further comprises: receiving a first request, the first request being used for requesting information of a candidate terminal device for performing the sensing procedure.

7. The method of claim 6, wherein, The method is applied to the access network device; The receiving first request comprises: receiving the first request from the sensing network element; or, The method is applied to a core network device; the receiving first request comprises: receiving the first request from the sensing network element or the access network device; or, The method is applied to a positioning network element; the receiving first request comprises: receiving the first request from the access network device.

8. The method according to any one of claims 4 to 7, characterized in that, The first request comprises at least one of the following: sensing area information corresponding to the sensing procedure, or a sensing identifier associated with the sensing procedure.

9. The method according to any one of claims 1 to 8, characterized in that, The first information comprises at least one of the following: identification information of the at least one candidate terminal device, cell information where the at least one candidate terminal device is located, direction information, location information, motion information, connection state information, capability information, a terminal type, or information about whether there is a line of sight (LOS) path or a non-line of sight (NLOS) path between the at least one candidate terminal device and an access network device.

10. The method of claim 9, wherein, The cell information comprises an identifier of a cell where the at least one candidate terminal device is located.

11. The method according to claim 9 or 10, characterized in that, The direction information comprises: a reference signal index, a reference signal resource identifier, or an azimuth angle where the at least one candidate terminal device is located; wherein the reference signal index or the reference signal resource identifier is used for indicating a direction where the at least one candidate terminal device is located.

12. The method according to any one of claims 9 to 11, characterized in that, The motion information comprises at least one of the following: information about whether the at least one candidate terminal device is stationary, or motion trajectory information of the at least one candidate terminal device.

13. The method according to any one of claims 9 to 12, characterized in that, The connection state information comprises a radio resource connection (RRC) state of the at least one candidate terminal device, and the RRC state is an RRC connected state, an RRC inactive state, or an RRC idle state.

14. A communications device, characterized by The communication apparatus comprises a transceiver module and a processing module. The transceiver module is configured to receive first information, the first information being used to indicate information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device for performing a sensing procedure. The processing module is configured to select at least one target terminal device according to the first information, the at least one target terminal device being used to perform the sensing procedure.

15. A communications device, characterized by The communication apparatus comprises a transceiver module and a processing module. The processing module is configured to determine first information, the first information being used to indicate information of at least one candidate terminal device, the at least one candidate terminal device being a candidate terminal device for performing a sensing procedure. The transceiver module is configured to send the first information to a sensing network element or an access network device.

16. The communication apparatus according to claim 14, wherein The communication apparatus is a sensing network element, and the transceiver module is specifically configured to: receive the first information from an access network device, a core network device, or a positioning network element; or The communication apparatus is an access network device, and the transceiver module is specifically configured to: receive the first information from a core network device or a positioning network element.

17. The communication apparatus according to claim 14 or 16, wherein, The transceiver module is further configured to: send a first request, the first request being used to request information of a candidate terminal device for performing the sensing procedure.

18. The communication apparatus according to claim 17, wherein The communication apparatus is a sensing network element, and the transceiver module is specifically configured to: send the first request to an access network device, a core network device, or a positioning network element; or The communication apparatus is an access network device, and the transceiver module is specifically configured to: send the first request to a core network device or a positioning network element.

19. The communication apparatus according to claim 15, wherein The communication apparatus is a sensing network element, and the transceiver module is further configured to: receive a first request, the first request being used to request information of a candidate terminal device for performing the sensing procedure.

20. The communication apparatus according to claim 19, wherein, The communication apparatus is an access network device, and the transceiver module is specifically configured to: receive the first request from the sensing network element; or The communication apparatus is a core network device, and the transceiver module is specifically configured to: receive the first request from the sensing network element or the access network device; or The communication apparatus is a positioning network element, and the transceiver module is specifically configured to: receive the first request from the access network device.

21. The communication apparatus according to any one of claims 17-20, wherein, The first request comprises at least one of the following: sensing area information corresponding to the sensing procedure, or a sensing identifier associated with the sensing procedure.

22. The communication apparatus according to any one of claims 14-21, wherein, The first information comprises at least one of the following: identifier information of the at least one candidate terminal device, cell information where the at least one candidate terminal device is located, direction information, location information, motion information, connection state information, capability information, a terminal type, or information about whether there is a line of sight (LOS) path or a non-line of sight (NLOS) path between the at least one candidate terminal device and an access network device.

23. The communication apparatus according to claim 22, wherein, The cell information comprises an identity of a cell in which the at least one candidate terminal device is located.

24. The communication apparatus according to claim 22 or 23, wherein, The direction information comprises a reference signal index, a reference signal resource identity, or an azimuth angle in which the at least one candidate terminal device is located; wherein the reference signal index or the reference signal resource identity is used to indicate a direction in which the at least one candidate terminal device is located.

25. The communication apparatus according to any one of claims 22-24, wherein, The motion information comprises at least one of the following: information about whether the at least one candidate terminal device is stationary, or motion trajectory information of the at least one candidate terminal device.

26. The communication apparatus according to any one of claims 22-25, wherein, The connection state information comprises a radio resource connection (RRC) state of the at least one candidate terminal device, and the RRC state is an RRC connected state, an RRC inactive state, or an RRC idle state.

27. A communications device, characterized by The communication device comprises a processor configured to execute computer programs or computer instructions in a memory to perform the method of any one of claims 1, 3-5, 8-13, or to perform the method of any one of claims 2, 6-13.

28. The apparatus of claim 27, wherein, The device further comprises a transceiver, and the processor and the transceiver are connected to each other through a line.

29. A computer-readable storage medium, characterized in that, A computer program is stored thereon, and the computer program is executed by a device to enable the device to perform the method of any one of claims 1, 3-5, 8-13, or to enable the device to perform the method of any one of claims 2, 6-13.

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