WO2022178789A1

WO2022178789A1 - Ranging method and apparatus, and user equipment and storage medium

Info

Publication number: WO2022178789A1
Application number: PCT/CN2021/077981
Authority: WO
Inventors: 洪伟; 于磊
Original assignee: 北京小米移动软件有限公司
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-09-01
Also published as: CN115918183A

Abstract

A ranging method and apparatus, and a user equipment and a storage medium, which belong to the technical field of measurement. The method comprises: a ranging user equipment (UE) receiving a ranging service request transmitted by a ranging application server, wherein the ranging service request comprises an identifier and a ranging parameter (101); the ranging UE determining a ranging role of the ranging UE according to the identifier in the ranging service request, wherein the ranging role comprises an observation UE or a target UE (102); and the ranging UE conducting ranging according to the ranging parameter and the ranging role (103). By means of the ranging method, on the basis of an identifier in a ranging service request, two UEs waiting for ranging can directly find each other, such that a ranging UE in the two UEs waiting for ranging can automatically conduct ranging, thereby improving the ranging efficiency.

Description

Ranging method, device, terminal device and storage medium

technical field

The present disclosure relates to the technical field of measurement, and in particular, to a ranging method, an apparatus, a terminal device and a storage medium.

Background technique

The ranging technology mainly determines a distance parameter and/or a relative direction parameter between two nodes (for example, two UEs (User Equipment, terminal equipment)). And, with the continuous popularization of terminal equipment, the demand for distance measurement of terminal equipment is becoming stronger and stronger, and the application of ranging technology in various fields (such as navigation, smart home, smart factory, positioning, etc.) is also more and more extensive. . Therefore, a high-efficiency, high-precision, low-power consumption, and automated ranging method is urgently needed to improve user experience.

SUMMARY OF THE INVENTION

The ranging method, device, terminal device and storage medium proposed by the present disclosure are used to solve the problems of low efficiency, low precision, high power consumption and poor user experience of the ranging method in the related art.

The ranging method proposed by an embodiment of the present disclosure includes:

The ranging terminal equipment UE receives the ranging service request sent by the ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

The ranging UE determines a ranging role of the ranging UE according to the identifier, and the ranging role includes an observation UE or a target UE;

The ranging UE performs ranging according to the ranging parameter and the ranging role.

The ranging method proposed by another embodiment of the present disclosure includes:

The ranging application server determines the ranging UE;

The ranging application server sends a ranging service request to the ranging UE, wherein the ranging service request includes an identification and a ranging parameter, wherein the ranging UE performs measuring according to the identification and ranging parameters distance.

The core network device NEF receives the ranging service request sent by the ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

The NEF determines, according to the identifier, an AMF serving the ranging UE corresponding to the identifier;

The NEF sends the ranging service request to the ranging UE through the AMF.

The distance measuring device proposed by the embodiment of another aspect of the present disclosure includes:

a receiving module, configured to receive a ranging service request sent by a ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

a processing module, configured to determine the ranging role of the ranging UE according to the identifier in the ranging service request;

The processing module is further configured to perform ranging according to the ranging parameters and ranging roles.

a determining module for determining a ranging UE;

A sending module, configured to send a ranging service request to the ranging UE, wherein the ranging service request includes an identifier and ranging parameters, wherein the ranging UE performs ranging according to the identifier and ranging parameters .

A distance measuring device proposed by another embodiment of the present disclosure includes:

a processing module, configured to determine, according to the identifier, an AMF serving the ranging UE corresponding to the identifier;

A sending module, configured to send the ranging service request to the ranging UE through the AMF.

A terminal device provided by an embodiment of another aspect of the present disclosure includes: a transceiver; a memory; a processor, respectively connected to the transceiver and the memory, and configured to be executable by executing a computer on the memory The instruction controls the transceiver to send and receive wireless signals, and can implement the method provided by the embodiment of the above-mentioned aspect.

An application server provided by another embodiment of the present disclosure includes: a processor and a memory, configured to implement the method provided by another embodiment of the present disclosure by executing computer-executable instructions on the memory.

A core network device proposed by another embodiment of the present disclosure includes: a processor and a memory, configured to implement the method provided by the above-mentioned still another embodiment of the present disclosure by executing computer-executable instructions on the memory .

Another aspect of the present disclosure provides a computer storage medium, wherein the computer storage medium stores computer-executable instructions; after the computer-executable instructions are executed by a processor, the above method can be implemented.

With the ranging method, device, terminal device, and computer storage medium provided by the embodiments of the present disclosure, the ranging terminal device UE can receive a ranging service request including an identifier and ranging parameters sent by a ranging application server, and determine a ranging service request according to the identifier. The ranging role of the ranging UE, the ranging role includes the observing UE or the target UE, so that the ranging UE can perform ranging according to the ranging parameters and ranging roles. It can be seen from this that, in the embodiment of the present disclosure, based on the identifier in the ranging service request, two UEs to be ranging can be directly discovered, so that the ranging UE among the two UEs to be ranging can be automatically performed. Ranging improves the efficiency and accuracy of ranging, reduces power consumption, and improves user experience.

Additional aspects and advantages of the present disclosure will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the present disclosure.

Description of drawings

The above and/or additional aspects and advantages of the present disclosure will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic flowchart of a ranging method provided by an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of observing the relative positions of a UE and a target UE according to an embodiment of the present disclosure;

FIG. 3 is an architectural diagram of a ranging service provided by an embodiment of the present disclosure;

4 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure;

FIG. 5 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure;

6 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure;

FIG. 7 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure;

FIG. 8 is a schematic flowchart of a ranging method provided by yet another embodiment of the present disclosure;

FIG. 9 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure;

10 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure;

11 is a schematic flowchart of a ranging method provided by yet another embodiment of the present disclosure;

FIG. 12 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure;

13 is a schematic flowchart of a ranging method provided by yet another embodiment of the present disclosure;

14 is a schematic flowchart of a ranging method provided by yet another embodiment of the present disclosure;

15 is a schematic flowchart of a ranging method provided by yet another embodiment of the present disclosure;

FIG. 16 is a schematic structural diagram of a ranging device provided by an embodiment of the present disclosure;

17 is a schematic structural diagram of a distance measuring device provided by another embodiment of the present disclosure;

FIG. 18 is a schematic structural diagram of a distance measuring device provided by another embodiment of the present disclosure;

FIG. 19 is a block diagram of a terminal device UE provided by an embodiment of the present disclosure.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of embodiments of the present disclosure, as recited in the appended claims.

The terms used in the embodiments of the present disclosure are only for the purpose of describing particular embodiments, and are not intended to limit the embodiments of the present disclosure. As used in the embodiments of the present disclosure and the appended claims, the singular forms "a" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the embodiments of the present disclosure, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the words "if" and "if" as used herein can be interpreted as "at the time of" or "when" or "in response to determining."

The following describes in detail the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present disclosure and should not be construed as a limitation of the present disclosure.

In the ranging method provided by the embodiment of the present disclosure, the ranging terminal device UE may receive a ranging service request including an identifier and ranging parameters sent by a ranging application server, and perform a ranging service request according to the identifier in the ranging service request. A ranging role of the ranging UE is determined, where the ranging role includes an observing UE or a target UE, so that the ranging UE can perform ranging according to the ranging parameters and ranging roles. It can be seen from this that, in the embodiments of the present disclosure, based on the identifier in the ranging service request, direct discovery can be performed between two UEs to be ranging, so that the ranging UE among the two UEs to be ranging can automatically Ranging improves the efficiency and accuracy of ranging, reduces power consumption, and improves user experience.

The ranging method, device, UE and storage medium provided by the present disclosure will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic flowchart of a ranging method provided by an embodiment of the present disclosure, which is applied to a UE. As shown in FIG. 1 , the ranging method may include the following steps:

Step 101: A ranging UE (User Equipment, terminal device) receives a ranging service request sent by a ranging application server, where the ranging service request includes an identifier and ranging parameters.

It should be noted that the ranging method according to the embodiment of the present disclosure can be applied to any UE. A UE may be a device that provides voice and/or data connectivity to a user. The UE may communicate with one or more core networks via a Radio Access Network (RAN), and the UE may be an IoT terminal, such as a sensor device, a mobile phone (or "cellular" phone) and an IoT-enabled terminal. The computer of the terminal, for example, may be a stationary, portable, pocket-sized, hand-held, computer-built-in or vehicle-mounted device. For example, a station (Station, STA), a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile station), a mobile station (mobile), a remote station (remote station), an access point, a remote terminal ( remote terminal), access terminal, user terminal, or user agent. Alternatively, the UE may also be a device of an unmanned aerial vehicle. Alternatively, the UE may also be a vehicle-mounted device, for example, a trip computer with a wireless communication function, or a wireless terminal connected to an external trip computer. Alternatively, the UE may also be a roadside device, for example, a streetlight, a signal light, or other roadside device having a wireless communication function.

Wherein, the ranging parameters may include ranging content (such as the distance value between the observed UE and the target UE, the angle value, the direction from the target UE to the observed UE, etc.), the quality of service (Quality of Service, QoS) requirements, and the reporting period sex, etc. In an embodiment of the present disclosure, the identifier of the ranging service request may include an identifier of an observing UE and an identifier of a target UE, where the observing UE may be a UE for performing ranging operations. The observing UE is used for ranging the target UE. In one embodiment of the present disclosure, the observing UE may perform ranging on the target UE based on the ranging parameter to generate a ranging result. Of course, in other embodiments of the present disclosure, the identifier of the ranging service request may only include the identifier of the observing UE or the identifier of the target UE. For example, if the ranging service request is only sent to the observing UE, the identifier of the ranging service request may only include the identifier of the target UE, so that the observing UE can determine the target UE according to the identifier of the target UE.

As an example, FIG. 2 is a schematic structural diagram of observing the relative positions of a UE and a target UE according to an embodiment of the present disclosure. As shown in FIG. 2 , the observing UE has a reference plane and a reference direction. And, the direction from the target UE to the observing UE may be the direction from the connection between the observing UE and the target UE to the reference direction, that is, the direction A shown in FIG. 2 . Among them, the direction from the target UE to the observation UE can be represented by the azimuth direction and the elevation direction of the target UE. Referring to Figure 2, it can be seen that the azimuth direction of the target UE is pointing from the reference direction to the projection of the line from the observer UE to the target UE on the The angle formed between a line on the same plane as the reference direction normal to the zenith. And, the target UE also has an elevation direction, and the elevation direction is a direction pointing from the horizontal plane to the connection line between the observation UE and the target UE.

Then, the observing UE can realize the ranging of the target UE by measuring the distance between the target UE and the observing UE shown in FIG. 2 and the direction from the target UE to the observing UE. And, ranging services can be performed with or without 5G coverage.

And, an architecture diagram of a ranging service provided by an embodiment of the present disclosure, as shown in FIG. 3 , the ranging service architecture includes a ranging application server AF for generating a ranging service request, an observing UE A, and a ranging service request. For the target UE B, the observing UE A may perform ranging on the target UE B based on the ranging service request sent by the ranging application server AF. And, as shown in FIG. 3 , between the ranging application server AF and the observing UE A can be based on AMF (Access and Mobility Management Function, access and mobility management function) and NEF (Network Exposure) in the 3GPP control plane Function, network open function) to achieve interaction. Similarly, the interaction between the AF and the target UE B can also be realized based on the AMF and NEF in the 3GPP control plane.

Step 102, the ranging UE determines a ranging role of the ranging UE according to the identifier in the ranging service request, where the ranging role includes the observing UE or the target UE.

As a possible implementation manner, the method for the ranging UE to determine the ranging role of the ranging UE according to the identifier in the ranging service request may include:

If the identity of the ranging UE is consistent with the identity of the observing UE, the ranging role of the ranging UE is determined as the observing UE; if the identity of the ranging UE is consistent with the identity of the target UE, the ranging role of the ranging UE is determined as the target UE.

Step 103, the ranging UE performs ranging according to the ranging parameter and the ranging role.

In the ranging method provided by the embodiments of the present disclosure, the ranging terminal equipment UE may receive a ranging service request including an identifier and ranging parameters sent by a ranging application server, and determine the ranging UE according to the identifier in the ranging service request. The ranging role, so that the ranging UE can perform ranging based on ranging parameters and ranging roles. It can be seen from this that, in the embodiment of the present disclosure, based on the identifier in the ranging service request, two UEs to be ranging can be directly discovered, so that the ranging UE among the two UEs to be ranging can be automatically performed. Ranging improves the efficiency and accuracy of ranging, reduces power consumption, and improves user experience.

FIG. 4 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging UE. As shown in FIG. 4 , the method may include:

Step 201, performing ranging service authentication on the ranging UE.

As a possible implementation manner, performing ranging service authentication on the ranging UE may include authorizing the ranging service of the ranging UE, which may specifically include: mutual discovery, privacy or ranging service of the two UEs to be ranging Policy or specification of ranging parameters.

Step 202: Establish a PDU (Packet Data Unit, packet data unit) session between the ranging UE and the ranging application server.

Wherein, after the PDU session is established between the ranging UE and the ranging application server, the ranging UE and the ranging application server may communicate at the application layer through the PDU session.

Step 203, the ranging UE receives the ranging service request sent by the ranging application server through the PDU session, where the ranging service request includes the identifier and the ranging parameter.

Step 204, the ranging UE determines that the ranging role of the ranging UE is the observing UE according to the identifier in the ranging service request.

Step 205, the ranging UE determines the target UE according to the identifier of the target UE.

As a possible implementation, the ranging UE may broadcast the identity of the target UE, so that each UE receives the identity of the target UE and compares its own identity with the identity of the target UE. When the identifier of the target UE is consistent with the identifier of the target UE, a certain UE is determined as the target UE, and the target UE may feed back notification information to the ranging UE, so that the ranging UE determines the target UE based on the notification information.

Step 206, the ranging UE performs ranging on the target UE according to the ranging parameter.

As a possible implementation manner, the ranging UE may implement ranging on the target UE by determining the distance and angle between the ranging UE and the target UE, and the direction from the target UE to the ranging UE.

Step 207, the ranging UE generates a ranging result, and feeds back the ranging result to the ranging application server through the PDU session.

In the ranging method provided by the embodiments of the present disclosure, it is observed that the UE can receive the ranging service request including the identifier and ranging parameters sent by the ranging application server through the PDU session, and determine the target UE according to the identifier in the ranging service request, In order to observe that the UE can perform ranging on the target UE according to the ranging parameters to generate a ranging result, and feed back the ranging result to the ranging application server. Therefore, the observing UE and the ranging application server in the embodiment of the present disclosure can realize the exchange of ranging service requests and ranging results at the application layer based on the PDU session, so that the starting of the ranging service can be realized based on the application layer. Then, the automation of the ranging method is ensured, the ranging efficiency and accuracy are improved, the power consumption is reduced, and the user experience is improved.

FIG. 5 is a schematic flowchart of a ranging method provided by still another embodiment of the present disclosure, which is applied to a ranging UE. As shown in FIG. 5 , the method may include:

Step 301, performing ranging service authentication on the ranging UE.

Step 302, establish a PDU session between the ranging UE and the ranging application server.

Step 303, the ranging UE receives the ranging service request sent by the ranging application server through the PDU session, where the ranging service request includes the identifier and the ranging parameter.

Step 304, the ranging UE determines the ranging role of the ranging UE as the target UE according to the identifier in the ranging service request.

Step 305, the ranging UE determines the observing UE according to the identifier of the observing UE.

As a possible implementation manner, the ranging UE may broadcast the identifier of the observing UE, so that each UE receives the identifier of the observing UE, and compares its own identifier with the identifier of the observing UE. When the identifier of the UE is consistent with the identifier of the observing UE, a certain UE is determined to be the observing UE, and the observing UE may feed back notification information to the ranging UE, so that the ranging UE determines the observing UE based on the notification information.

Step 306, the ranging UE sends the ranging parameters to the observing UE, so that the observing UE performs ranging on the ranging UE according to the ranging parameters.

Wherein, in a possible implementation manner, after the observing UE completes the ranging of the ranging UE and generates the ranging result, the ranging result is directly fed back to the ranging application server.

In another possible implementation manner, after the observing UE completes the ranging of the ranging UE and generates the ranging result, the ranging result is fed back to the ranging UE, so that the ranging UE forwards the ranging result to the ranging UE based on the PDU session. Ranging application server.

In the ranging method provided by the embodiments of the present disclosure, the target UE can receive the ranging service request including the identifier and ranging parameters sent by the ranging application server through the PDU session, determine the observing UE according to the identifier in the ranging service request, and The ranging parameters are sent to the observing UE, so that the observing UE performs ranging on the ranging UE according to the ranging parameters. Thus, the target UE and the ranging application server in the embodiment of the present disclosure can realize the exchange of ranging service requests and ranging results at the application layer based on the PDU session, so that the starting of the ranging service can be realized based on the application layer. Then, the automation of the ranging method is ensured, the ranging efficiency and accuracy are improved, the power consumption is reduced, and the user experience is improved.

FIG. 6 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging UE. As shown in FIG. 6 , the method may include:

Step 401, performing ranging service authentication on the ranging UE.

Step 402, the ranging UE receives the ranging service request forwarded by the ranging application server by the core network device serving the ranging UE.

The core network equipment may include AMF and NEF, and the ranging service request may be sent by the ranging application server to the AMF serving the ranging UE through the NEF, and then the AMF serving the ranging UE will forward the ranging service request to the ranging service request. Distance UE; the AMF serving the ranging UE can be determined by the NEF by detecting UDM (Unified Data Management).

Wherein, as a possible implementation manner, the method for the NEF to determine the AMF serving the ranging UE by detecting the unified data management UDM may include:

The NEF queries the unified data management UDM according to the identity of the observing UE and the identity of the target UE; if the NEF queries the first AMF serving the observing UE, the NEF determines the observing UE as the ranging UE, and sends the ranging service to the first AMF request; if the NEF finds the second AMF serving the target UE, the NEF determines the target UE as the ranging UE, and sends the ranging service request to the second AMF; if the NEF finds the first AMF serving the target UE The AMF and the second AMF serving the observing UE, the NEF determines any one of the target UE and the observing UE as the ranging UE, and sends a message to the AMF serving the ranging UE (that is, the one between the first AMF and the second AMF) any one of) to send a ranging service request.

Step 403, the ranging UE determines that the ranging role of the ranging UE is the observing UE according to the identifier in the ranging service request.

Step 404, the ranging UE determines the target UE according to the identifier of the target UE.

Step 405, the ranging UE performs ranging on the target UE according to the ranging parameter.

Step 406, the ranging UE generates a ranging result, and feeds back the ranging result to the AMF serving the ranging UE, so that the AMF serving the ranging UE (that is, the AMF corresponding to the ranging UE) forwards the ranging result to the ranging UE. from the application server.

In the ranging method provided by the embodiments of the present disclosure, observing that the UE can receive the ranging service request including the identifier and ranging parameters sent by the ranging application server by observing the core network devices AMF and NEF corresponding to the UE, and according to the ranging service request The identifier in determines the target UE, so that the observing UE can perform ranging on the target UE according to the ranging parameter to generate the ranging result, and feed back the ranging result to the ranging application server. 3 , the core network devices AMF and NEF are substantially located in the 3GPP control plane. Therefore, in the embodiment of the present disclosure, it is observed that the UE and the ranging application server can realize the exchange of ranging service requests and ranging results on the 3GPP control plane, that is, the starting of the ranging service can be realized based on the 3GPP control plane. It improves the automation of the ranging method, ensures low-latency ranging services, improves ranging efficiency and accuracy, reduces power consumption, and improves user experience.

FIG. 7 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging UE. As shown in FIG. 7 , the method may include:

Step 501, performing ranging service authentication on the ranging UE.

Step 502, the ranging UE receives the ranging service request forwarded by the ranging application server by the core network device serving the ranging UE.

Step 503, the ranging UE determines the ranging role of the ranging UE as the target UE according to the identifier in the ranging service request.

Step 504, the ranging UE determines the observing UE according to the identifier of the observing UE.

Step 505, the ranging UE sends the ranging parameters to the observing UE, so that the observing UE performs ranging on the ranging UE according to the ranging parameters.

Wherein, in a possible implementation manner, after the observing UE performs ranging on the ranging UE to obtain the ranging result, the ranging result is directly fed back to the ranging application server.

In another possible implementation manner, the observing UE obtains a ranging result after performing ranging on the ranging UE, and sends the ranging result to the ranging UE, so that the ranging UE forwards the ranging result to the corresponding ranging UE. AMF, the AMF corresponding to the ranging UE forwards the ranging result to the ranging application server.

In the ranging method provided by the embodiments of the present disclosure, the target UE can receive the ranging service including the identifier and the ranging parameters sent by the ranging application server through the core network equipment (ie the AMF and NEF in the 3GPP control plane) corresponding to the target UE request, determine the observing UE according to the identifier in the ranging service request, and send the ranging parameter to the observing UE, so that the target UE performs ranging on the ranging UE according to the ranging parameter. Therefore, in the embodiment of the present disclosure, it is observed that the UE and the ranging application server can realize the exchange of ranging service requests and ranging results on the 3GPP control plane, that is, the starting of the ranging service can be realized based on the 3GPP control plane. It improves the automation of the ranging method, ensures low-latency ranging services, improves ranging efficiency and accuracy, reduces power consumption, and improves user experience.

FIG. 8 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 8 , the method may include:

Step 601, the ranging application server determines the ranging UE.

Step 602, the ranging application server sends a ranging service request to the ranging UE, wherein the ranging service request includes an identifier and a ranging parameter, and the identifier of the ranging service request includes the identifier of the observing UE and the identifier of the target UE, wherein the ranging service request includes the identifier of the observing UE and the identifier of the target UE. The distance UE performs ranging according to the identification and ranging parameters.

In an embodiment of the present disclosure, if the ranging UE is an observing UE, the ranging application server may also receive a ranging result sent by the ranging UE.

In the ranging method provided by the embodiments of the present disclosure, the ranging application server may send a ranging service request including an identifier and ranging parameters to the ranging UE, so that the ranging UE can perform ranging according to the identifier and ranging parameters. It can be seen from this that, in the embodiment of the present disclosure, based on the identifier in the ranging service request, two UEs to be ranging can be directly discovered, so that the ranging UE among the two UEs to be ranging can be automatically performed. Ranging improves the efficiency and accuracy of ranging, reduces power consumption, and improves user experience.

FIG. 9 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 9 , the method may include:

Step 701: Establish a PDU session between the ranging UE and the ranging application server.

Step 702, the ranging application server determines the ranging UE.

Step 703, the ranging application server sends a ranging service request to the ranging UE through the PDU session.

Step 704, the ranging application server receives the ranging result through the PDU session.

In the ranging method provided by the embodiments of the present disclosure, the ranging application server may send a ranging service request including an identifier and ranging parameters to the ranging UE through a PDU session, so that the ranging UE can perform measurement according to the identifier and ranging parameters. distance. Therefore, the ranging UE and the ranging application server in the embodiments of the present disclosure can realize the exchange of ranging service requests and ranging results at the application layer based on the PDU session, so that the ranging service can be started based on the application layer. , the automation of the ranging method is ensured, the ranging efficiency and accuracy are improved, the power consumption is reduced, and the user experience is improved.

FIG. 10 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 10 , the method may include:

Step 801, a PDU session is established between the ranging UE and the ranging application server.

Step 802, the ranging application server determines the ranging UE.

Step 803, the ranging application server sends a ranging service request to the ranging UE through the PDU session, and the ranging UE is the observing UE.

Step 804, the ranging application server receives the ranging result through the PDU session.

FIG. 11 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 11 , the method may include:

Step 901, a PDU session is established between the ranging UE and the ranging application server.

Step 902, the ranging application server determines the ranging UE.

Step 903, the ranging application server sends a ranging service request to the ranging UE through the PDU session, and the ranging UE is the target UE.

Step 904, the ranging application server receives the ranging result through the PDU session.

FIG. 12 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 12 , the method may include:

Step 1001, the ranging application server determines the ranging UE.

Step 1002, the ranging application server sends a ranging service request to the ranging UE through the core network device.

The core network device may include AMF and NEF, and, as a possible implementation manner, the method for the ranging application server to send the ranging service request to the ranging UE through the core network device may include: The ranging application server sends the ranging service request to the AMF serving the ranging UE through the NEF, so that the AMF forwards the ranging service request to the ranging UE. The AMF serving the ranging UE may be determined by the NEF by detecting the unified data management UDM.

Wherein, if the NEF finds the AMF serving the observing UE, the NEF sends a ranging service request to the AMF serving the observing UE; if the NEF finds the AMF serving the target UE, the NEF sends a ranging service request to the AMF serving the target UE. Ranging service request; if the NEF finds the AMF serving the target UE and the AMF serving the observing UE, the NEF sends a ranging service request to any one of the AMF serving the target UE and the AMF serving the observing UE.

Step 1003, the ranging application server receives the ranging result fed back by the core network device.

As a possible implementation manner, the method for the ranging application server to receive the ranging result sent by the ranging UE may include: receiving, by the ranging application server, the AMF serving the ranging UE through the the ranging result sent by the NEF.

In the ranging method provided by the embodiments of the present disclosure, the ranging application server may send a ranging service request including an identifier and ranging parameters to a ranging UE through a core network device (ie, AMF and NEF in the 3GPP control plane), and Receive ranging results. Therefore, in the embodiment of the present disclosure, the ranging UE and the ranging application server can realize the exchange of ranging service request and ranging result on the 3GPP control plane, that is, the starting of the ranging service can be realized based on the 3GPP control plane, then The automation of the ranging method is ensured, and the low-latency ranging service can be ensured, the ranging efficiency and accuracy are improved, the power consumption is reduced, and the user experience is improved.

FIG. 13 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 13 , the method may include:

Step 1101, the ranging application server determines the ranging UE.

Step 1102, the ranging application server sends a ranging service request to the ranging UE through the core network device, and the ranging UE is the observing UE.

Step 1103: The ranging application server receives the ranging result fed back by the core network device.

As a possible implementation manner, the ranging application server may receive the ranging result fed back by the NEF, and the NEF receives the ranging result through the AMF serving the observing UE.

FIG. 14 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to a ranging application server. As shown in FIG. 14 , the method may include:

Step 1201, the ranging application server determines the ranging UE.

Step 1202, the ranging application server sends a ranging service request to the ranging UE through the core network device, and the ranging UE is the target UE.

Step 1203, the ranging application server receives the ranging result fed back by the core network device.

FIG. 15 is a schematic flowchart of a ranging method provided by another embodiment of the present disclosure, which is applied to NEF. As shown in FIG. 15 , the method may include:

Step 1301: The NEF receives a ranging service request sent by a ranging application server, where the ranging service request includes an identifier and a ranging parameter.

Step 1302, the NEF determines, according to the identifier, an AMF serving the ranging UE corresponding to the identifier.

Wherein, as a possible implementation manner, the method for the NEF to determine, according to the identifier, the AMF serving the ranging UE corresponding to the identifier may include:

The NEF queries the unified data management UDM according to the identity of the observing UE and the identity of the target UE; if the NEF queries the first AMF serving the observing UE, the NEF determines the observing UE as the ranging UE, and sends the ranging service to the first AMF request; if the NEF finds the second AMF serving the target UE, the NEF determines the target UE as the ranging UE, and sends the ranging service request to the second AMF; if the NEF finds the first AMF serving the target UE The AMF and the second AMF serving the observing UE, the NEF determines any one of the target UE and the observing UE as the ranging UE, and sends a message to the AMF serving the ranging UE (that is, the one of the first AMF and the second AMF) any one) to send a ranging service request.

Step 1303, the NEF sends the ranging service request to the ranging UE through the AMF.

As a possible implementation manner, after the NEF sends the ranging service request to the ranging UE through the AMF, the ranging UE may perform ranging based on the ranging parameters to obtain the ranging result, and send the ranging result to in the NEF, so that the NEF forwards the ranging result to the ranging application server.

In the ranging method provided by the embodiments of the present disclosure, the ranging application server may send the ranging service request including the identifier and ranging parameters to the ranging UE through the AMF and NEF in the 3GPP control plane. Therefore, in the embodiment of the present disclosure, the ranging UE and the ranging application server can implement the exchange of ranging service requests on the 3GPP control plane, that is, the ranging service can be started based on the 3GPP control plane, which ensures ranging The automation of the method can ensure low-latency ranging services, improve ranging efficiency and accuracy, reduce power consumption, and improve user experience.

FIG. 16 is a schematic structural diagram of a ranging apparatus provided by an embodiment of the present disclosure. As shown in FIG. 15 , the ranging apparatus 1600 may include:

The first receiving module 1601 is configured to receive a ranging service request sent by a ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

A processing module 1602, configured to determine the ranging role of the ranging UE according to the identifier in the ranging service request;

Wherein, the ranging apparatus provided by the embodiments of the present disclosure may be configured in any UE to perform the ranging method in any of the foregoing FIG. 1 to FIG. 7 .

In the ranging apparatus provided by the embodiments of the present disclosure, the ranging terminal equipment UE can receive a ranging service request including an identifier and ranging parameters sent by a ranging application server, and determine the ranging UE according to the identifier in the ranging service request. The ranging role, so that the ranging UE can perform ranging based on ranging parameters and ranging roles. It can be seen from this that, in the embodiment of the present disclosure, based on the identifier in the ranging service request, two UEs to be ranging can be directly discovered, so that the ranging UE among the two UEs to be ranging can be automatically performed. Ranging improves the efficiency and accuracy of ranging, reduces power consumption, and improves user experience.

In a possible implementation form of the present disclosure, the identifiers include an identifier of the observing UE and an identifier of the target UE, wherein the processing module 1602 is further configured to:

If the identity of the ranging UE is consistent with the identity of the observing UE, determining that the ranging role of the ranging UE is the observing UE; and if the identity of the ranging UE is consistent with the identity of the target UE, Then, the ranging role of the ranging UE is determined to be the target UE.

Further, in another possible implementation form of the present disclosure, when the ranging UE determines that the ranging role is the observing UE, the processing module 1602 is further configured to: determine the target UE according to the identifier of the target UE, and performing ranging on the target UE according to the ranging parameter.

Further, in another possible implementation form of the present disclosure, the apparatus is further configured to: send the ranging result to the ranging application server.

Further, in another possible implementation form of the present disclosure, when the ranging UE determines that the ranging role is the target UE, the processing module 1602 is further configured to: according to the identifier of the observed UE determining the observing UE; and sending the ranging parameter to the observing UE, wherein the observing UE performs ranging on the ranging UE according to the ranging parameter.

Further, in another possible implementation form of the present disclosure, the receiving module 1601 is further configured to: receive the ranging service request sent by the ranging application server through a packet data unit PDU session.

Further, in another possible implementation form of the present disclosure, the apparatus is further configured to: send the ranging result to the ranging application server through the PDU session.

Further, in another possible implementation form of the present disclosure, the apparatus is further configured to: send a ranging result to a core network device, where the core network device includes an access and mobility management function AMF.

It should be noted that the foregoing explanations of the embodiments of the ranging method shown in FIG. 1 to FIG. 7 are also applicable to the ranging apparatus 1600 shown in FIG. 16 , and details are not repeated here.

FIG. 17 is a schematic structural diagram of a ranging apparatus provided by another embodiment of the present disclosure. As shown in FIG. 17 , the ranging apparatus 1700 may include:

a determining module 1701, configured to determine a ranging UE;

A sending module 1702, configured to send a ranging service request to the ranging UE, wherein the ranging service request includes an identification and a ranging parameter, wherein the ranging UE performs measurement according to the identification and the ranging parameter distance.

Wherein, the ranging apparatus provided by the embodiments of the present disclosure may be configured in a ranging application server to execute any of the aforementioned ranging methods in FIG. 8 to FIG. 14 .

In the ranging apparatus provided by the embodiments of the present disclosure, the ranging application server may send a ranging service request including an identifier and ranging parameters to the ranging UE, so that the ranging UE can perform ranging according to the identifier and ranging parameters. It can be seen from this that, in the embodiment of the present disclosure, based on the identifier in the ranging service request, two UEs to be ranging can be directly discovered, so that the ranging UE among the two UEs to be ranging can be automatically performed. Ranging improves the efficiency and accuracy of ranging, reduces power consumption, and improves user experience.

In a possible implementation form of the present disclosure, when the ranging UE is an observing UE, the apparatus is further configured to: receive a ranging result sent by the ranging UE.

Further, in another possible implementation form of the present disclosure, the identifier of the ranging service request includes the identifier of the observing UE and the identifier of the target UE.

Further, in another possible implementation form of the present disclosure, the sending module 1702 is further configured to: send the ranging service request to the ranging UE through a PDU session.

Further, in another possible implementation form of the present disclosure, the apparatus is further configured to: receive the ranging result through the PDU session.

Further, in another possible implementation form of the present disclosure, the sending module 1702 is further configured to: send the ranging service request to the ranging UE through a core network device.

Further, in another possible implementation form of the present disclosure, the core network device is an AMF and a network open function NEF, wherein the sending module 1702 is further configured to: send the AMF serving the ranging UE A ranging service request, so that the AMF forwards the ranging service request to the ranging UE.

Further, in another possible implementation form of the present disclosure, the receiving module 1701 is further configured to: receive the ranging result sent by the AMF serving the ranging UE through the NEF.

It should be noted that the foregoing explanations of the embodiments of the ranging method shown in FIGS. 8 to 14 are also applicable to the ranging apparatus 1700 in FIG. 17 , and details are not repeated here.

FIG. 18 is a schematic structural diagram of a ranging apparatus provided by another embodiment of the present disclosure. As shown in FIG. 18 , the ranging apparatus 1800 may include:

A receiving module 1801, configured to receive a ranging service request sent by a ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

a processing module 1802, configured to determine, according to the identifier, an AMF serving the ranging UE corresponding to the identifier;

A sending module 1803, configured to send the ranging service request to the ranging UE through the AMF.

The ranging apparatus provided by the embodiments of the present disclosure may be configured in a ranging application server to execute the ranging method shown in FIG. 15 .

The ranging apparatus, ranging application server and ranging UE provided by the embodiments of the present disclosure can realize the exchange of ranging service requests on the 3GPP control plane through the ranging apparatus, that is, the starting of the ranging service can be realized based on the 3GPP control plane, This ensures the automation of the ranging method and ensures low-latency ranging services, improves ranging efficiency and accuracy, reduces power consumption, and improves user experience.

In a possible implementation form of the present disclosure, the identifiers include an identifier of the observing UE and an identifier of the target UE, wherein the determining module 1802 is further configured to: query the unification according to the identifier of the observing UE and the identifier of the target UE data management UDM; if the first AMF serving the observing UE is queried, send the ranging service request to the first AMF; if the second AMF serving the target UE is queried, send the ranging service request to the first AMF The second AMF sends the ranging service request; if the first AMF and the second AMF serving the target UE and the observing UE are queried, send the first AMF and the second AMF to the first AMF and the second AMF. Any one of them sends the ranging service request.

In order to realize the above embodiments, the present disclosure also proposes a computer storage medium.

The computer storage medium provided by the embodiments of the present disclosure stores an executable program; after the executable program is executed by the processor, the ranging method provided by any of the foregoing technical solutions can be implemented, for example, as shown in at least one of FIG. 1 to FIG. 15 . one.

In order to implement the above-mentioned embodiments, the present disclosure also proposes a computer program product, including a computer program, which implements the aforementioned ranging method when executed by a processor.

In addition, in order to implement the above embodiments, the present disclosure also provides a computer program, which, when executed by a processor, implements the ranging methods described in FIGS. 1 to 7 or 8 to 14 of the present disclosure.

FIG. 19 is a block diagram of a terminal device UE1900 provided by an embodiment of the present disclosure. For example, the UE 1900 may be a mobile phone, a computer, a digital broadcast terminal device, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

19, the UE 1900 may include at least one of the following components: a processing component 1902, a memory 1904, a power supply component 1906, a multimedia component 19015, an audio component 1910, an input/output (I/O) interface 1912, a sensor component 1914, and a communication component 1916.

The processing component 1902 generally controls the overall operations of the UE 1900, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 1902 can include at least one processor 1920 to execute instructions to perform all or part of the steps of the methods described above. Additionally, processing component 1902 may include at least one module that facilitates interaction between processing component 1902 and other components. For example, processing component 1902 may include a multimedia module to facilitate interaction between multimedia component 19015 and processing component 1902.

Memory 1904 is configured to store various types of data to support operation at UE 1900. Examples of such data include instructions for any application or method operating on the UE 1900, contact data, phonebook data, messages, pictures, videos, etc. Memory 1904 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

Power component 1906 provides power to various components of UE 1900. Power components 1906 may include a power management system, at least one power source, and other components associated with generating, managing, and distributing power to UE 1900.

Multimedia component 1908 includes screens that provide an output interface between the UE 1900 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes at least one touch sensor to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect wake-up time and pressure associated with the touch or swipe action. In some embodiments, the multimedia component 1908 includes a front-facing camera and/or a rear-facing camera. When the UE 1900 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.

Audio component 1910 is configured to output and/or input audio signals. For example, the audio component 1910 includes a microphone (MIC) that is configured to receive external audio signals when the UE 1900 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 1904 or transmitted via communication component 1916. In some embodiments, audio component 1910 also includes a speaker for outputting audio signals.

The I/O interface 1912 provides an interface between the processing component 1902 and peripheral interface modules, which may be keyboards, click wheels, buttons, and the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.

Sensor assembly 1914 includes at least one sensor for providing various aspects of status assessment for UE 1900. For example, the sensor component 1914 can detect the on/off state of the device 1900, the relative positioning of components, such as the display and keypad of the UE 1900, the sensor component 1914 can also detect the position change of the UE 1900 or a component of the UE 1900, the user and the UE 1900. Presence or absence of UE 1900 contact, UE 1900 orientation or acceleration/deceleration and changes in UE 1900 temperature. Sensor assembly 1914 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 1914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1914 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

Communication component 1916 is configured to facilitate wired or wireless communication between UE 1900 and other devices. The UE 1900 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 1916 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 1916 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, the UE 1900 may be implemented by at least one Application Specific Integrated Circuit (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSPD), Programmable Logic Device (PLD), Field Programmable Gate Array ( FPGA), controller, microcontroller, microprocessor or other electronic components implemented for performing the above method.

Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any modifications, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or techniques in the technical field not disclosed by this disclosure . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

A distance measuring method, comprising:

The ranging terminal equipment UE receives the ranging service request sent by the ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

The ranging UE determines a ranging role of the ranging UE according to the identifier, and the ranging role includes an observation UE or a target UE;

The ranging UE performs ranging according to the ranging parameter and the ranging role.
The method according to claim 1, wherein the identification comprises an identification of an observing UE and an identification of a target UE, wherein the ranging UE determines the ranging UE according to the identification in the ranging service request ranging roles, including:

If the identity of the ranging UE is consistent with the identity of the observing UE, the ranging UE determines that the ranging role of the ranging UE is the observing UE; and

If the identifier of the ranging UE is consistent with the identifier of the target UE, the ranging UE determines that the ranging role of the ranging UE is the target UE.
The method according to claim 2, wherein when the ranging UE determines that the ranging role is an observing UE, the ranging UE performs ranging according to the ranging parameters and ranging roles, comprising: :

The ranging UE determines the target UE according to the identifier of the target UE;

The ranging UE performs ranging on the target UE according to the ranging parameter.
The method of claim 2, further comprising:

The ranging UE sends the ranging result to the ranging application server.
The method according to claim 2, wherein when the ranging UE determines that the ranging role is the target UE, the performing ranging according to the ranging parameters and ranging roles comprises:

The ranging UE determines the observing UE according to the identifier of the observing UE;

The ranging UE sends the ranging parameter to the observing UE, wherein the observing UE performs ranging on the ranging UE according to the ranging parameter.
The method according to any one of claims 1-5, wherein, the ranging UE receives a ranging service request sent by a ranging application server, comprising:

The ranging UE receives the ranging service request sent by the ranging application server through a packet data unit PDU session.
The method of claim 6, wherein the method further comprises:

The ranging UE sends the ranging result to the ranging application server through the PDU session.
The method of claim 1, wherein the method further comprises:

The ranging UE sends a ranging result to a core network device, and the core network device includes an access and mobility management function AMF.
A distance measuring method, comprising:

The ranging application server determines the ranging UE;

The ranging application server sends a ranging service request to the ranging UE, wherein the ranging service request includes an identification and a ranging parameter, wherein the ranging UE performs measuring according to the identification and ranging parameters distance.
The method of claim 9, further comprising:

The ranging application server receives the ranging result sent by the ranging UE.
The method of claim 9, wherein the identifier of the ranging service request includes an identifier of the observing UE and an identifier of the target UE.
The method according to claim 9 or 10, wherein the ranging application server sends a ranging service request to the ranging UE, comprising:

The ranging application server sends the ranging service request to the ranging UE through a PDU session.
The method of claim 12, wherein the ranging application server receives a ranging result, comprising:

The ranging application server receives the ranging result through the PDU session.
The method according to claim 9 or 10, wherein the ranging application server sends a ranging service request to the ranging UE, comprising:

The ranging application server sends the ranging service request to the ranging UE through a core network device.
The method according to claim 14, wherein the core network device includes an AMF and a network open function NEF, wherein the ranging application server sends the ranging service to the ranging UE through the core network device requests, including:

The ranging application server sends the ranging service request to the AMF serving the ranging UE through the NEF, so that the AMF forwards the ranging service request to the ranging UE.
The method of claim 15, wherein the ranging application server receives the ranging result sent by the ranging UE, comprising:

The ranging application server receives the ranging result sent by the AMF serving the ranging UE through the NEF.
A ranging method, characterized in that it includes:

The NEF receives a ranging service request sent by a ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

The NEF determines, according to the identifier, an AMF serving the ranging UE corresponding to the identifier;

The NEF sends the ranging service request to the ranging UE through the AMF.
The method according to claim 17, wherein the identification comprises an identification of the observing UE and an identification of the target UE, wherein the NEF determines an AMF serving the ranging UE corresponding to the identification according to the identification, include:

The NEF queries the unified data management UDM according to the identifier of the observed UE and the identifier of the target UE;

If the NEF finds the first AMF serving the observing UE, the NEF sends the ranging service request to the first AMF;

If the NEF finds a second AMF serving the target UE, the NEF sends the ranging service request to the second AMF;

If the NEF finds the first AMF and the second AMF serving the target UE and the observing UE, the NEF sends a message to any one of the first AMF and the second AMF the ranging service request.
A distance measuring device, comprising:

a receiving module, configured to receive a ranging service request sent by a ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

a processing module, configured to determine the ranging role of the ranging UE according to the identifier in the ranging service request;

The processing module is further configured to perform ranging according to the ranging parameters and ranging roles.
A distance measuring device, comprising:

a determining module for determining a ranging UE;

A sending module, configured to send a ranging service request to the ranging UE, wherein the ranging service request includes an identifier and ranging parameters, wherein the ranging UE performs ranging according to the identifier and ranging parameters .
A distance measuring device, comprising:

a receiving module, configured to receive a ranging service request sent by a ranging application server, wherein the ranging service request includes an identifier and a ranging parameter;

a processing module, configured to determine, according to the identifier, an AMF serving the ranging UE corresponding to the identifier;

A sending module, configured to send the ranging service request to the ranging UE through the AMF.
A terminal device, comprising: a transceiver; a memory; a processor, respectively connected to the transceiver and the memory, and configured to control the transceiver by executing computer-executable instructions on the memory wireless signal transmission and reception, and can implement the method described in any one of claims 1 to 8.
An application server, comprising: a processor and a memory, configured to implement the method of any one of claims 9 to 16 by executing computer-executable instructions on the memory.
A core network device, comprising: a processor and a memory, configured to implement the method of any one of claims 17 to 18 by executing computer-executable instructions on the memory.
A computer storage medium, wherein the computer storage medium stores computer-executable instructions; after the computer-executable instructions are executed by a processor, any one of claims 1 to 8 or 9 to 16 or 17 to 18 can be implemented the method described.