Method for implementing time-limited business and related products

Abstract

The embodiment of the present application provides a method for implementing a time-limited service and a related product, the method comprising: adding a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter of the URSP rule; the Traffic descriptor component type identifier value is associated with the time window time window. The technical solution provided by the present application has the advantage of high user experience.

Description

Technical Field

[0001] The present application relates to the field of communication processing technology, and in particular to a method for implementing a time-limited service and related products. Background Art

[0002] In the existing communication system, the URSP (UE Route Selection Policy) rule or the local configuration of the terminal is used to establish a data channel (PDU session). The RTD rule of the URSP rule has a time window parameter, so that a certain application can establish a data channel (PDU session) for data transmission within a specific time period.

[0003] When the time window does not match, the default data channel is used for data transmission, which cannot meet the needs of users and affects the user experience. Summary of the invention

[0004] The embodiments of the present application disclose a method for implementing a time-limited service and related products, which can adapt to user needs and improve user experience when time windows do not match.

[0005] In a first aspect, a method for implementing a time-limited service is provided, the method comprising the following steps:

[0006] Add a new type indicator Trafficdescriptor component type identifier value to the Route selection descriptor parameter of the URSP rule;

[0007] The Traffic descriptor component type identifier value is associated with the time window timewindow.

[0008] In a second aspect, a device for implementing a time-limited service is provided, the device comprising:

[0009] A configuration unit, used to add a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter of the URSP rule;

[0010] The Traffic descriptor component type identifier value is associated with the time window timewindow.

[0011] According to a third aspect, an electronic device is provided, comprising a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, and the program comprises instructions for executing the steps in the method described in the first aspect or the second aspect.

[0012] According to a fourth aspect, a computer-readable storage medium is provided, storing a computer program for electronic data exchange, wherein the computer program enables a computer to execute the method described in the first aspect or the second aspect.

[0013] In a fifth aspect, a computer program product is provided, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute some or all of the steps described in the first aspect or the second aspect of the embodiment of the present application. The computer program product may be a software installation package.

[0014] In a sixth aspect, a chip system is provided, which includes at least one processor, a memory and an interface circuit, wherein the memory, the transceiver and the at least one processor are interconnected via lines, and a computer program is stored in the at least one memory; when the computer program is executed by the processor, the method described in the first aspect or the second aspect is implemented.

[0015] In a seventh aspect, a network device is provided, wherein the network device is used to support a user device to execute the method provided in the first aspect.

[0016] The technical solution provided in the present application adds a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter; the added new type indicator is associated with the time window, so when the time window does not match, the PDUsession strategy can be determined based on the newly configured type indicator, thereby matching user needs and improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is an introduction to the drawings used in the embodiments of the present application.

[0018] Figure 1 is a system architecture diagram of an example communication system;

[0019] Figure 2 It is a flowchart of a method for implementing a time-limited service provided by this application;

[0020] Figure 3It is a flowchart of a method for implementing a time-limited service provided in Example 1 of the present application;

[0021] Figure 4 It is a structural diagram of a device for implementing a time-limited service provided in Example 1 of the present application;

[0022] Figure 5 It is a structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0023] Figure 6 It is a schematic diagram of the RSD parameter list;

[0024] Figure 7 This is a schematic diagram of the specific format of the RSD parameters. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described below in conjunction with the drawings in the embodiments of the present application.

[0026] The term "and / or" in this application is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article indicates that the associated objects before and after are in an "or" relationship.

[0027] The "multiple" that appears in the embodiments of the present application refers to two or more. The first, second, etc. descriptions that appear in the embodiments of the present application are only used for illustration and distinction of the description objects. There is no order, nor does it represent a special limitation on the number of devices in the embodiments of the present application, and cannot constitute any limitation on the embodiments of the present application. The "connection" that appears in the embodiments of the present application refers to various connection methods such as direct connection or indirect connection to achieve communication between devices, and the embodiments of the present application do not make any limitations on this.

[0028] The technical solution of the embodiment of the present application can be applied to Figure 1 The exemplary communication system shown includes a terminal 110 and a network device 120 , wherein the terminal 110 is in communication connection with the network device 120 .

[0029] By way of example, the above-mentioned network equipment may include: a base station (gNodeB, gNB) and an AMF, wherein the terminal 110 is connected through the base station and the AMF (access and mobility management function).

[0030] For example, the terminal device of the embodiment of the present application is a device with a wireless communication function, which can be called a terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), an access terminal device, a vehicle-mounted terminal device, an industrial control terminal device, a UE unit, a UE station, a mobile station, a remote station, a remote terminal device, a mobile device, a UE terminal device, a wireless communication device, a UE agent or a UE device, etc. The terminal device can be fixed or mobile. It should be noted that the terminal device can support at least one wireless communication technology, such as LTE, a new radio (NR), etc. For example, the terminal device may be a mobile phone, a tablet computer (pad), a desktop computer, a laptop computer, an all-in-one computer, a vehicle-mounted terminal, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self driving, a wireless terminal in remote medical surgery, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a wearable device, a terminal device in a future mobile communication network, or a terminal device in a future evolved public mobile land network (PLMN), etc. In some embodiments of the present application, the terminal device may also be a device with transceiver functions, such as a chip system, wherein the chip system may include a chip and may also include other discrete devices.

[0031] For example, in the embodiment of the present application, the access network device is a device that provides wireless communication functions for terminal devices, and can also be called a radio access network (RAN) device, or an access network element, etc. Among them, the access network device can support at least one wireless communication technology, such as LTE, NR, etc. For example, the access network device includes but is not limited to: the next generation base station (generation nodeB, gNB) in the fifth generation mobile communication system (5th-generation, 5G), evolved node B (evolved node B, eNB), radio network controller (radio network controller, RNC), node B (node ​​B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved node B, or home node B, HNB), baseband unit (baseband unit, BBU), transmitting and receiving point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, etc. The network device may also be a wireless controller, a centralized unit (CU), and / or a distributed unit (DU) in a cloud radio access network (CRAN) scenario, or the access network device may be a relay station, an access point, a vehicle-mounted device, a terminal device, a wearable device, and an access network device in future mobile communications or an access network device in a future evolved PLMN. In some embodiments, the access network device may also be a device having a wireless communication function for a terminal device, such as a chip system. For example, the chip system may include a chip and may also include other discrete devices.

[0032] In some embodiments, the access network device may also communicate with an Internet Protocol (IP) network, such as the Internet, a private IP network, or other data networks.

[0033] For example, the core network of the embodiment of the present application is composed of core network network elements. Among them, the core network network element can also be called a core network device, which is a network element deployed in the core network, such as a core network control plane network element or a core network user plane network element. The core network of the embodiment of the present application can be an evolved packet core network (EPC), a 5G core network (5G Core Network), or a new core network in a future communication system. For example, the 5G core network is composed of a group of network elements, and implements access and mobility management functions (AMF) that implement functions such as mobility management, user plane functions (UPF) that provide functions such as packet routing and forwarding and QoS (Quality of Service) management, and session management functions (SMF) that provide functions such as session management, IP address allocation and management, etc. EPC can be composed of a Mobility Management Entity (MME) that provides functions such as mobility management and gateway selection, a Serving Gateway (S-GW) that provides functions such as packet forwarding, and a PDN Gateway (P-GW) that provides functions such as terminal address allocation and rate control. For multicast broadcast services (MBS), the core network can include several new network elements to implement functions such as packet forwarding, MBS conference management, QoS management, and transmission mode switching (switching between unicast and multicast / broadcast transmission modes). Another way is that the functions can be implemented by existing core network network elements.

[0034] See also Figure 2 , Figure 2 A method for implementing a time-limited service is provided, the method comprising the following steps:

[0035] Step S201, adding a new type indicator Traffic descriptor component type identifier value to the Route selection descriptor parameter of the URSP rule;

[0036] The Traffic descriptor component type identifier value is associated with the time window timewindow.

[0037] The above method can be used as Figure 1 The network device configuration is completed as shown, or it can be done as shown Figure 1 Execute in the terminal shown.

[0038] The technical solution provided in the present application adds a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter; the added new type indicator is associated with the time window, so when the time window does not match, the PDUsession strategy can be determined based on the newly configured type indicator, thereby matching user needs and improving user experience.

[0039] In an optional solution, the above method may further include:

[0040] When the RSD parameter selected by the UE during PDU session creation includes the Traffic descriptor component type identifier value, and the UE determines that the current time does not match the time window associated with the Traffic descriptor component type identifier value, the PDU session creation process is terminated.

[0041] In an optional solution, the above method may further include:

[0042] The time window is sent to the upper-layer application, and the upper-layer application decides whether to initiate a new PDU session creation within the time window.

[0043] In an optional solution, the above method may further include:

[0044] The Traffic descriptor component type identifier value is: fixed time window type fixed Time window type, which includes a start time and an end time.

[0045] Embodiment 1

[0046] This embodiment provides a method for implementing a time-limited service. Figure 3 As shown, it can be Figure 1 The specific structure and list of the RSD parameters of this method can be found in the above Figure 6 , Figure 7In the description in , in this application, a new type identifier is defined for the time-limited service in the Route selection descriptor component type identifier, and the specific type identifier includes a fixed Time window type, which is referred to in Figure 3 , the method may specifically include the following steps:

[0047] Step S301: When creating a PDU session, the UE determines whether the selected RSD parameter contains a fixed Timewindow type;

[0048] Step S302: The UE determines that the RSD parameter includes a fixed time window type, determines that the current time does not match the time window associated with the fixed time window type, and terminates the PDU session creation;

[0049] Step S303: The UE sends the time window to an upper layer application, and the upper layer application decides whether to initiate creation of a new PDU session within the time window.

[0050] For details of the above upper layer applications, please refer to the relevant description of the protocol, which will not be repeated here.

[0051] The technical solution provided in the present application adds a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter; the newly added type indicator is associated with the time window, so when the time window does not match, the creation of the PDUsession can be terminated according to the newly configured type indicator, and the time window can be sent to the upper-layer application to decide whether to initiate the creation of a new PDUsession in the time window, thereby matching user needs and improving user experience.

[0052] See also Figure 4 , Figure 4 A device for implementing a time-limited service is provided, and the device can be arranged in Figure 1 In the terminal of the system shown, it can also be set as shown in Figure 1 In the network device shown, the device includes:

[0053] Configuration unit 401, used to add a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter of the URSP rule;

[0054] The Traffic descriptor component type identifier value is associated with the time window timewindow.

[0055] In an optional solution, the above device may further include:

[0056] The processing unit 402 is used to terminate the PDU session creation process when it is determined that the current time does not match the time window associated with the Traffic descriptor component type identifier value when the RSD parameter selected during PDU session creation includes the Traffic descriptor component type identifier value.

[0057] In an optional solution, the above device may further include:

[0058] The processing unit 402 is further configured to send the time window to an upper layer application, and the upper layer application decides whether to initiate creation of a new PDU session within the time window.

[0059] In an alternative approach,

[0060] The Traffic descriptor component type identifier value is: fixed time window type fixed Time window type, which includes a start time and an end time.

[0061] In the case where each functional module is divided into corresponding functional modules, the above processing unit can be used to support the user equipment to perform the following steps: Figure 2 The steps shown and Figure 2 A refinement of the illustrated embodiment.

[0062] It is understandable that, in order to realize the above functions, the above-mentioned device includes hardware and / or software modules corresponding to the execution of each function. In combination with the algorithm steps of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application in combination with the embodiments, but such implementation should not be considered to be beyond the scope of the present application.

[0063] In this embodiment, the electronic device can be divided into functional modules according to the above method example. For example, each functional module can be divided according to each function, or two or more functions can be integrated into one processing module. The above integrated module can be implemented in the form of hardware. It should be noted that the division of modules in this embodiment is schematic and is only a logical function division. There may be other division methods in actual implementation.

[0064] It should be noted that all relevant contents of each step involved in the above method embodiment can be referred to the functional description of the corresponding functional module and will not be repeated here.

[0065] In the case of an integrated unit, the user equipment may include a processing module and a storage module. The processing module may be used to control and manage the actions of the user equipment, for example, it may be used to support the electronic device to execute the steps executed by the acquisition unit, the communication unit, and the processing unit. The storage module may be used to support the electronic device to execute stored program codes and data, etc.

[0066] Among them, the processing module can be a processor or a controller. It can implement or execute various exemplary logic boxes, modules and circuits described in conjunction with the disclosure of this application. The processor can also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of digital signal processing (DSP) and a microprocessor, etc. The storage module can be a memory. The communication module can specifically be a device that interacts with other electronic devices, such as a radio frequency circuit, a Bluetooth chip, a Wi-Fi chip, etc.

[0067] It is understandable that the interface connection relationship between the modules illustrated in the embodiment of the present application is only a schematic illustration and does not constitute a structural limitation on the user equipment. In other embodiments of the present application, the user equipment may also adopt different interface connection methods in the above embodiments, or a combination of multiple interface connection methods.

[0068] See also Figure 5 , Figure 5An electronic device 50 is provided in an embodiment of the present application. The electronic device 50 includes a processor 501, a memory 502 and a communication interface 503. The processor 501, the memory 502 and the communication interface 503 are interconnected via a bus.

[0069] The memory 502 includes, but is not limited to, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM), and the memory 502 is used for related computer programs and data. The communication interface 503 is used to receive and send data.

[0070] The processor 501 may be one or more central processing units (CPUs). When the processor 501 is a CPU, the CPU may be a single-core CPU or a multi-core CPU.

[0071] The processor 501 may include one or more processing units, for example, the processing unit may include an application processor (AP), a modem processor, a graphics processor (GPU), an image signal processor (ISP), a controller, a video codec, a digital signal processor (DSP), a baseband processor, and / or a neural-network processing unit (NPU), etc. Among them, different processing units may be independent components or integrated into one or more processors. In some embodiments, the user equipment may also include one or more processing units. Among them, the controller may generate an operation control signal according to the instruction opcode and the timing signal to complete the control of fetching and executing instructions. In some other embodiments, a memory may also be set in the processing unit for storing instructions and data. Exemplarily, the memory in the processing unit may be a cache memory. The memory may store instructions or data that have just been used or circulated by the processing unit. If the processing unit needs to use the instruction or data again, it can be directly called from the memory. In this way, repeated access is avoided, the waiting time of the processing unit is reduced, and the efficiency of the user equipment in processing data or executing instructions is improved.

[0072] In some embodiments, the processor 501 may include one or more interfaces. The interface may include an inter-integrated circuit (I2C) interface, an inter-integrated circuit sound (I2S) interface, a pulse code modulation (PCM) interface, a universal asynchronous receiver / transmitter (UART) interface, a mobile industry processor interface (MIPI), a general-purpose input / output (GPIO) interface, a SIM card interface and / or a USB interface, etc. Among them, the USB interface is an interface that complies with the USB standard specification, and can specifically be a Mini USB interface, a Micro USB interface, a USB Type C interface, etc. The USB interface can be used to connect a charger to charge a user device, and can also be used to transmit data between a user device and a peripheral device. The USB interface can also be used to connect headphones to play audio through the headphones.

[0073] If the electronic device 50 is a user device, such as a smart phone, the processor 501 in the electronic device 50 is used to read the computer program code stored in the memory 502 and perform the following operations:

[0074] Add a new type indicator Trafficdescriptor component type identifier value to the Route selection descriptor parameter of the URSP rule;

[0075] The Traffic descriptor component type identifier value is associated with the time window timewindow.

[0076] If the electronic device 50 is a user device, such as a smart phone, the processor 501 in the electronic device 50 is used to read the computer program code stored in the memory 502 and perform the following operations:

[0077] Add a new type indicator Trafficdescriptor component type identifier value to the Route selection descriptor parameter of the URSP rule;

[0078] The Traffic descriptor component type identifier value is associated with the time window timewindow.

[0079] Among them, all relevant contents of each scenario involved in the above method embodiment can be referred to the functional description of the corresponding functional module, which will not be repeated here.

[0080] The embodiment of the present application further provides a chip system, the chip system comprising at least one processor, a memory and an interface circuit, the memory, the transceiver and the at least one processor are interconnected through a line, the at least one memory stores a computer program; when the computer program is executed by the processor, Figure 2 The method flow shown is realized.

[0081] The embodiment of the present application further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, which, when executed on a network device, Figure 2 The method flow shown is realized.

[0082] The present application also provides a computer program product. When the computer program product is run on a terminal, Figure 2 The method flow shown is realized.

[0083] The present application also provides an electronic device, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the processor, wherein the program includes a program for executing Figure 2 Instructions for steps in the method of the illustrated embodiment.

[0084] The embodiment of the present application also provides a network device, which is used to support the user equipment UE to perform the following Figure 2 The method and refinement scheme shown.

[0085] The above mainly introduces the scheme of the embodiment of the present application from the perspective of the execution process on the method side. It is understandable that, in order to realize the above functions, the electronic device includes a hardware structure and / or software template corresponding to the execution of each function. Those skilled in the art should easily realize that, in combination with the units and algorithm steps of each example described in the embodiment provided herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present application.

[0086] The embodiment of the present application can divide the electronic device into functional units according to the above method example. For example, each functional unit can be divided according to each function, or two or more functions can be integrated into one processing unit. The above integrated unit can be implemented in the form of hardware or in the form of software functional units. It should be noted that the division of units in the embodiment of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation.

[0087] It should be noted that, for the above-mentioned method embodiments, for the sake of simplicity, they are all expressed as a series of action combinations, but those skilled in the art should be aware that this application is not limited by the order of the actions described, because according to this application, some steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all preferred embodiments, and the actions and templates involved are not necessarily required by this application.

[0088] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0089] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic, such as the division of the above-mentioned units, which is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection of devices or units can be electrical or other forms.

[0090] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0091] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0092] If the above-mentioned integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable memory. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a memory, including a number of instructions to enable a computer device (which can be a personal computer, server or network device, etc.) to perform all or part of the steps of the above-mentioned methods of each embodiment of the present application. The aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, disk or CD-ROM and other media that can store program codes.

[0093] A person skilled in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable memory, and the memory can include: a flash drive, a read-only memory (English: Read-Only Memory, abbreviated as: ROM), a random access memory (English: Random Access Memory, abbreviated as: RAM), a magnetic disk or an optical disk, etc.

Claims

1. A method for implementing a time-limited service, characterized in that: The method comprises the following steps: Add a new type indicator Trafficdescriptor component type identifier value to the Route selection descriptor parameter of the URSP rule; The Traffic descriptor component type identifier value is associated with the time window. When the time window in the RTD rule does not match, the PDU session strategy is determined based on the Traffic descriptor component type identifier value.

2. The method according to claim 1, characterized in that: When the Route selection descriptor parameter selected by the UE during PDU session creation includes the Traffic descriptor component type identifier value, and the UE determines that the current time does not match the time window associated with the Traffic descriptor component type identifier value, the PDU session creation process is terminated.

3. The method according to claim 2, characterized in that The method further comprises: The time window is sent to the upper-layer application, and the upper-layer application decides whether to initiate a new PDU session creation within the time window.

4. The method according to any one of claims 1 to 3, characterized in that: The Traffic descriptor component type identifier value is: fixed time window type fixed Time window type, which includes a start time and an end time.

5. A device for implementing a time-limited service, characterized in that: The device comprises: A configuration unit, used to add a new type indicator Traffic descriptor component type identifier value in the Route selection descriptor parameter of the URSP rule; The Traffic descriptor component type identifier value is associated with the time window. When the time window in the RTD rule does not match, the PDU session strategy is determined based on the Traffic descriptor component type identifier value.

6. The device according to claim 5, characterized in that: The processing unit is used to terminate the PDUsession creation process when it is determined that the current time does not match the time window associated with the Trafficdescriptor component type identifier value when the Route selection descriptor parameter selected when the PDU session is created contains the Trafficdescriptor component type identifier value.

7. The device according to claim 6, characterized in that The processing unit is further configured to send the time window to an upper layer application, and the upper layer application determines whether to initiate creation of a new PDU session within the time window.

8. The device according to any one of claims 5 to 7, characterized in that: The Traffic descriptor component type identifier value is: fixed time window type fixed Time window type, which includes a start time and an end time.

9. An electronic device comprising a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, and the programs include instructions for executing the steps of the method as described in any one of claims 1-4.

10. A chip system, comprising at least one processor, a memory and an interface circuit, wherein the memory, the interface circuit and the at least one processor are interconnected via lines, and a computer program is stored in the memory; when the computer program is executed by the processor, the method described in any one of claims 1 to 4 is implemented.

11. A computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when the computer-readable storage medium is run on a user device, the computer-readable storage medium executes the method according to any one of claims 1 to 4.

12. A network device, characterized in that: The network device is used to support the user equipment to perform the method according to any one of claims 1-4.

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