WO2022206552A1

WO2022206552A1 - Handover method and apparatus, network side device, and terminal

Info

Publication number: WO2022206552A1
Application number: PCT/CN2022/082750
Authority: WO
Inventors: 钟婷婷; 谢振华
Original assignee: 维沃移动通信有限公司
Priority date: 2021-03-29
Filing date: 2022-03-24
Publication date: 2022-10-06
Also published as: CN115134761A

Abstract

The present application relates to the field of mobile communications. Disclosed are a handover method and apparatus, a network side device, and a terminal. The handover method according to embodiments of the present application comprises: a first network side device sends a first indication to a second network side device, wherein the first indication comprises at least one of the following: a service identifier of a first service, a service group identifier to which the first service belongs, a session identifier of the first service, a flow identifier of the first service, a flow description of the first service, a service identifier dedicated to the first service, a service group identifier dedicated to the first service, a session identifier dedicated to the first service, a flow identifier dedicated to the first service, and a flow description dedicated to the first service.

Description

Switching method, device, network side device and terminal

cross reference

The present invention requires the priority of the Chinese patent application with the application number of 202110333962.9 and the invention titled "Handover Method, Apparatus, Network Side Equipment and Terminal" filed with the China Patent Office on March 29, 2021, the entire content of which is by reference Incorporated in the present invention.

technical field

The present application belongs to the technical field of mobile communication, and in particular relates to a method, apparatus and device for establishing an integrated mobile access and backhaul network.

Background technique

When providing a local multicast broadcast service (Local Multicast/Broadcast Service, Local MBS) for a terminal (also referred to as a user equipment (User Equipment, UE)), if it is outside the service area of the Local MBS service, there are still The scenario of the Local MBS service can be provided for the terminal. For example, a traditional base station at the edge of the service area of the Local MBS service provides the Local MBS service to the UE through a single protocol data unit session (Individual Protocol Data Unit session, Individual PDU session). When a handover occurs, Will be directly handed over to the target base station based on the PDU session. If at this time, the target base station is outside the Local MBS service area, the Local MBS service provided by the target base station will not conform to the Local MBS service. As a result, the Local MBS business exceeds its business area.

SUMMARY OF THE INVENTION

The embodiments of the present application provide a switching method, device, network side device and terminal, which can solve the problem that the Local MBS service exceeds its service area.

In a first aspect, a handover method is provided, which is performed by a first network-side device, and the method includes:

Send a first indication to the second network side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

In a second aspect, a switching device is provided, the device comprising:

a first execution module, configured to determine a first instruction;

a first transceiver module, configured to send a first indication to a second network-side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

In a third aspect, a handover method is provided, which is performed by a second network side device, and the method includes:

Receive a first indication sent by a first network-side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

In a fourth aspect, a switching device is provided, the device comprising:

a second transceiver module, configured to receive the first indication sent by the first network side device;

a second execution module, configured to obtain the instruction content of the first instruction;

Wherein, the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

In a fifth aspect, a handover method is provided, executed by a terminal, and the method includes at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

In a sixth aspect, a switching device is provided, the device comprising:

a third execution module, configured to determine a fourth instruction;

The third transceiver module is configured to perform at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

In a seventh aspect, a handover method is provided, which is performed by a core network function, and the method includes at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

In an eighth aspect, a switching device is provided, the device comprising:

a fourth execution module, configured to determine a fourth instruction;

a fourth transceiver module, configured to perform at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

In a ninth aspect, a terminal is provided, the terminal includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor The steps of implementing the method as described in the first aspect.

A tenth aspect provides a network-side device, the network-side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the When executed by the processor, the steps of the method described in the first aspect, the steps of the method described in the third aspect, or the steps of the method described in the seventh aspect are realized.

In an eleventh aspect, a terminal is provided, including a processor and a communication interface, wherein the processor is configured to determine a fourth indication, and the communication interface is configured to perform at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

A twelfth aspect provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented, or the The steps of the method of the third aspect.

A thirteenth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect method, or implement the method as described in the third aspect, or implement the method as described in the fifth aspect, or implement the method as described in the seventh aspect.

A fourteenth aspect provides a computer program/program product, the computer program/program product being stored in a non-volatile storage medium, the program/program product being executed by at least one processor to implement the first The steps of the handover method described in the aspect, or the steps of realizing the handover method described in the third aspect, or the steps of realizing the handover method described in the fifth aspect, or the steps of realizing the handover method described in the seventh aspect .

In this embodiment of the present application, the first network side device sends the first indication to the second network side device, and when it is found that the target base station is outside the service area of the first service, the handover is rejected, thereby ensuring that the Local MBS service can only be used in It is provided within its business area, which improves the resource utilization efficiency of the Local MBS service.

Description of drawings

FIG. 1 shows a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied;

FIG. 2 shows a schematic flowchart of a handover method according to an embodiment of the present application;

FIG. 3 shows a schematic structural diagram of a switching device according to an embodiment of the present application;

FIG. 4 shows another schematic flowchart of the handover method according to the embodiment of the present application;

FIG. 5 shows another schematic structural diagram of a switching device according to an embodiment of the present application;

FIG. 6 shows another schematic flowchart of the handover method according to the embodiment of the present application;

FIG. 7 shows another schematic structural diagram of a switching device according to an embodiment of the present application;

FIG. 8 shows another schematic flowchart of the handover method according to the embodiment of the present application;

FIG. 9 shows another schematic structural diagram of a switching device according to an embodiment of the present application;

FIG. 10 shows a schematic structural diagram of a communication device provided by an embodiment of the present application;

11 is a schematic structural diagram of a network side device implementing an embodiment of the present application;

FIG. 12 is a schematic structural diagram of a terminal implementing an embodiment of the present application.

SUMMARY OF THE INVENTION

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of this application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first", "second" distinguishes Usually it is a class, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

It is worth noting that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but these techniques can also be applied to applications other than NR system applications, such as 6th ^Generation , 6G) communication system.

FIG. 1 shows a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12 . The terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of this application, only the NR system is used. The base station in the example is taken as an example, but the specific type of the base station is not limited.

The handover method provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through some embodiments and application scenarios thereof.

FIG. 2 shows a schematic flowchart of a handover method according to an embodiment of the present application. The method is executed by the first network side device, in other words, the method may be executed by software or hardware installed on the first network side device. As shown in Figure 2, the method may include the following steps.

Step S201: Send a first indication to the second network side device. The first instruction may be a handover instruction sent by the first network side device to the second network side device, and the handover instruction may specifically be a handover request (handover required) message for N2 handover, or a handover request (handover required) for XN handover. Handover request) message.

It should be understood that the first indication may be used to instruct triggering the handover of the first service.

In an implementation manner, the content in the first indication may include at least one of the following:

The service identifier of the first service; for example, when the first service is an MBS service or a LocalMBS service, the service identifier can be a Temporary Mobile Group Identifier (TMGI), a multicast address (source- specific IPMulticast address), the relevant identification of LocalMBS, etc.;

The service group identifier to which the first service belongs; for example, in the case that the first service is an MBS service, the service group identifier may be an identifier of a multicast group;

Session ID of the first service; for example, session ID (session ID);

Flow identifier of the first service; for example, Quality of Service Flow Identifier (QFI);

Flow description of the first service; for example, QoS Profile;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

Taking the session ID dedicated to the first service as an example, when the first service is an MBS service or a Local MBS service, the session ID is a session ID dedicated to the MBS service, or a session ID dedicated to the LocalMBS service. ID, and other services cannot use the above-mentioned dedicated session ID.

In an embodiment, after the step S201, the method may further include:

Receive a second indication sent by the second network-side device; wherein, the second indication is sent by the second network-side device after determining that the first condition is satisfied.

Wherein, the first condition may include at least one of the following:

The service corresponding to the first indication includes the first service, such as LocalMBS service, MBS service, etc.;

The second network side device is outside the service area of the first service, for example, outside the service area of the Local MBS service;

The third network-side device is outside the service area of the first service. For example, when the second network-side device is a core network function, an N2 handover occurs, the first network-side device is the original base station, and the second network-side device is the original base station. The network side device is an access and mobility management function (Access and Mobility Management Function, AMF), and the third network side device is a target base station.

Wherein, the third network side device may be a base station or a core network function, for example, AMF.

In an implementation manner, the second indication is used to indicate rejection of the handover of the first service. For example, in the N2 handover, the second indication may specifically be the protocol data unit session resource release table (PDU Session Resources to Release List IE) of the handover command (Handover Command) message sent by the AMF, which contains the protocol data of the first service. The unit session ID (PDU session ID), or the second indication is the HANDOVER PREPARATION FAILURE message sent by the AMF; for example, in XN handover, the second indication is the HANDOVER sent by the target base station to the original base station The PREPARATION FAILURE message, or the PDUSessionResourcesNotAdmitted-List of the handover request reply message (HandoverRequest Acknowledge) contains the protocol data unit session identifier of the first service.

In one embodiment, the step S201 further includes:

A fourth indication is received; wherein the fourth indication includes service area information.

Optionally, the fourth indication may be at least one of the following:

is the fourth instruction sent by the terminal to the first network side device;

is the fourth indication sent by the core network function to the first network side device.

In an implementation manner, when the fourth indication is a fourth indication sent by the terminal, the receiving the fourth indication includes at least one of the following:

After sending a radio resource control reconfiguration (RRCReconfiguration) message to the terminal, the fourth indication sent by the terminal is received, that is, after the terminal receives the RRCReconfiguration message sent by the first network side device, the terminal sends the first network side device to the the fourth instruction;

Before sending the first indication to the second network side device, the fourth indication sent by the terminal is received, that is, the terminal sends the fourth indication before the first network side device sends the first indication to the second network side device.

Optionally, after the receiving the fourth indication, the method further includes at least one of the following:

The first network-side device refuses to send the first indication;

In the case that the third condition is satisfied, the first network-side device removes the information of the first service from the first indication;

The first network side device sends the first indication to the second network side device.

Wherein, the third condition includes that the second network side device is not within the service area of the first service.

In another implementation manner, when the fourth indication is a fourth indication sent by the core network function, the fourth indication further includes at least one of the following:

an instruction sent by the first service;

The indication of the start of the first service, such as the session start (session start) of the MBS service;

The indication of the restoration of the first service, such as session restoration of the MBS service, activation of the MBS service (session activation);

An indication that the first service is not sent, such as session stop of the MBS service;

The indication of the suspension of the first service, such as session suspension of the MBS service, deactivation of the MBS service (session deactivation);

The indication of the deletion of the first service is, for example, session deletion (session delete) of the MBS service.

Optionally, the first network side device is a base station or a core network function, for example, the first network side device may be an AMF.

Optionally, in the case where the first network side device is a base station, the first network side device is a base station with a service type corresponding to the first service, or the first network side device is not. A base station with a service type corresponding to the first service. For example, in the case that the first service belongs to the MBS service, the first network side device may be a first base station with MBS capability (MBS-capable) (a device capable of sharing delivery through the N3 channel) way to send the MBS service), or, the first network side device may be a first base station that does not have MBS-capable (the MBS service cannot be sent by the way that the N3 channel is Shared delivery).

Optionally, the second network side device is a base station or a core network function, such as an AMF.

Optionally, in the case where the second network side device is a base station, the second network side device is a base station with a service type corresponding to the first service, or the second network side device is not. A base station with a service type corresponding to the first service. For example, in the case where the first service belongs to the MBS service, the second network side device may be a second base station with MBS-capable (which can send the MBS service by using the N3 channel as Shared delivery), or , the second network side device may be a second base station that does not have MBS-capable (the MBS service cannot be sent in a manner that the N3 channel is Shared delivery).

Optionally, the first network-side device is located within the service area of the first service, or the first network-side device is located outside the service area of the first service.

Optionally, the second network side device is located within the service area of the first service, or the second network side device is located outside the service area of the first service.

In an embodiment, if the first service is an MBS service or a Local MBS service, the service area of the first service is the service area of the MBS service or the service area of the Local MBS service.

Optionally, when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:

The first network side device only has the function of initiating XN handover, that is, the first network side device can only initiate XN handover;

The first network side device only has the function of initiating N2 handover, that is, the first network side device can only initiate N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover, that is, the first network side device can initiate XN handover and/or N2 handover.

Therefore, in a handover method provided by the implementation of this application, the first network side device sends a first indication to the second network side device, and when it is found that the target base station is outside the service area of the first service, the handover is rejected, thereby ensuring that the The Local MBS service can only be provided in its business area, which improves the resource utilization efficiency of the Local MBS service.

It should be noted that, in the switching method provided by the embodiments of the present application, the execution subject may be a switching device, or a control module in the switching device for executing the switching method. In the embodiments of the present application, the switching device provided by the embodiments of the present application is described by taking a method for performing a handover performed by a switching device as an example.

FIG. 3 shows a schematic structural diagram of a switching apparatus according to an embodiment of the present application. As shown in FIG. 3 , the switching apparatus includes: a first execution module 301 and a first transceiver module 302 .

The first execution module 301 is configured to determine the first indication; the first transceiver module 302 is configured to send the first indication to the second network side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

Optionally, after sending the first indication to the second network side device, the first transceiver module 302 is further configured to receive a second indication sent by the second network side device; wherein the second indication It is sent by the second network side device after determining that the first condition is satisfied.

Optionally, the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

the second network side device is outside the service area of the first service;

The third network side device is outside the service area of the first service.

Optionally, the second indication is used to indicate rejection of the handover of the first service.

Optionally, the first transceiver module 302 is further configured to receive a fourth indication, wherein the fourth indication includes service area information.

Optionally, the fourth indication includes at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.

Optionally, when the fourth indication is a fourth indication sent by the terminal, the first transceiver module 302 is configured to perform at least one of the following:

After sending the radio resource control reconfiguration message to the terminal, the fourth instruction sent by the terminal is received;

Before sending the first instruction to the second network side device, a fourth instruction sent by the terminal is received.

Optionally, after receiving the fourth indication, the first transceiver module 302 is further configured to perform at least one of the following:

refuse to send the first indication;

If the third condition is satisfied, remove the information of the first service from the first indication;

Send the first indication to the second network-side device.

Optionally, the third condition includes that the second network-side device is not within the service area of the first service.

Optionally, when the fourth indication is a fourth indication sent by the core network function, the fourth indication further includes at least one of the following:

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.

Optionally, the switching device is a base station or a core network function.

Optionally, in the case where the switching device is a base station, the switching device is a base station that has a service type corresponding to the first service, or the switching device does not have a service corresponding to the first service. type of base station.

Optionally, the second network side device is a base station or a core network function.

Optionally, in the case where the second network side device is a base station, the second network side device is a base station with a service type corresponding to the first service, or the second network side device is not. A base station with a service type corresponding to the first service.

Optionally, the switching device is located within the service area of the first service, or the switching device is located outside the service area of the first service.

Optionally, when the switching device is located in the service area of the first service or at the edge of the service area of the first service, the switching device further includes at least one of the following:

The switching device only has the function of initiating XN switching;

The switching device only has the function of initiating N2 switching;

The switching device has the function of initiating XN switching and/or N2 switching.

Therefore, a switching device provided by the implementation of this application, by sending the first indication to the second network side device, refuses the switching when it is found that the target base station is outside the service area of the first service, thereby ensuring that the Local MBS service can only be used Provided in its business area, improving the resource utilization efficiency of the Local MBS service.

The switching device in this embodiment of the present application may be a device, a device having an operating system, or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal. The apparatus or electronic device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.

The switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 and achieve the same technical effect, and to avoid repetition, details are not described here.

FIG. 4 shows another schematic flowchart of the handover method according to the embodiment of the present application. The method is executed by the second network side device. In other words, the method may be executed by software or hardware installed on the second network side device. As shown in Figure 4, the method may include the following steps.

Step S401, receiving a first indication sent by a first network side device;

Wherein, the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

The step S401 can implement the same method embodiment as the step S201 in FIG. 2 , and obtain the same technical effect, and the repeated content will not be repeated here.

Optionally, after step S301, the method further includes:

When the first condition is satisfied, the second network-side device sends a second indication to the first network-side device.

Optionally, the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

The third network side device is outside the service area of the first service.

Optionally, after receiving the first indication sent by the first network-side device, the method further includes at least one of the following:

The second network side device sends a path switch request (PATHSWITCHREQUEST) message to the fourth network side device;

Receive a third indication of the fourth network side device; wherein, the third indication is sent by the fourth network side device when it determines that the second condition is satisfied; the third indication is used to indicate whether the first service is path switched The request was successful. Wherein, the third indication may specifically be a path switch request reply (PATH WITCH REQUEST ACKNOWLEDGE) message, or the third instruction may be a path switch request failure (PATH SWITCH REQUEST FAILURE) message.

Optionally, the second condition includes at least one of the following:

The service corresponding to the PATHSWITCHREQUEST message includes the first service, for example, includes the Local MBS service or the MBS service;

The second network side device is outside the service area of the first service, for example, outside the service area of the Local MBS service.

Optionally, the receiving the first indication sent by the first network side device further includes:

Optionally, the fourth indication includes at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.

Optionally, when the fourth indication is a fourth indication sent by the terminal, the receiving the fourth indication includes at least one of the following:

The fourth indication sent by the terminal received during the handover process performed by the terminal, for example, the terminal sends the fourth indication together with a radio resource control reconfiguration complete (RRCReconfigurationComplete) message to the second network side;

After the terminal completes the handover, the terminal receives the fourth indication sent by the terminal, for example, the terminal sends the fourth indication to the second network side device after sending the RRCReconfigurationComplete message.

Optionally, after the receiving the fourth indication, the method further includes:

When the fourth condition is satisfied, the second network-side device executes the first behavior.

Optionally, the fourth condition is that the second network-side device is not within the service area of the first service.

Optionally, the performing the first behavior includes:

Release the resource corresponding to the first service.

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.

Optionally, when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, it further includes at least one of the following:

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.

FIG. 5 shows another schematic structural diagram of a switching apparatus according to an embodiment of the present application. As shown in FIG. 5 , the switching apparatus includes: a second execution module 501 and a second transceiver module 502 .

The second transceiver module 502 is configured to receive the first instruction sent by the first network side device; the second execution module 501 is configured to obtain the instruction content of the first instruction;

Wherein, the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

Optionally, the second transceiver module 501 is configured to send a second indication to the first network side device when the first condition is satisfied.

Optionally, the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

the switching device is outside the service area of the first service;

The third network side device is outside the service area of the first service.

Optionally, after receiving the first indication sent by the first network-side device, the second transceiver module 502 is further configured to perform at least one of the following:

sending a path switching request message to the fourth network side device;

Receive a third indication of the fourth network side device; wherein, the third indication is sent by the fourth network side device when it determines that the second condition is satisfied; the third indication is used to indicate whether the first service is path switched The request was successful.

Optionally, the second condition includes at least one of the following:

The service corresponding to the path switching request message includes the first service;

The switching device is outside the service area of the first service.

Optionally, the second transceiver module 502 is further configured to receive a fourth indication, wherein the fourth indication includes service area information.

Optionally, the fourth indication includes at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.

the fourth indication sent by the terminal received during the handover process performed by the terminal;

The fourth indication sent by the terminal is received after the terminal completes the handover.

Optionally, after receiving the fourth indication, the second transceiver module 502 is further configured to:

When the fourth condition is satisfied, the first behavior is executed.

Optionally, the fourth condition is that the switching device is not in the service area of the first service.

Optionally, the performing the first behavior includes:

Release the resource corresponding to the first service.

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

Therefore, a switching device provided by the implementation of this application, by receiving the first indication sent by the first network side device, when it is found that the target base station is outside the service area of the first service, rejects the switching, thereby ensuring that the Local MBS service can only be used Provided in its business area, improving the resource utilization efficiency of the Local MBS service.

The switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 4 , and achieve the same technical effect. To avoid repetition, details are not repeated here.

FIG. 6 shows another schematic flowchart of the handover method according to the embodiment of the present application. The method is executed by the terminal. In other words, the method may be executed by software or hardware installed in the terminal. As shown in FIG. 6 , the method may include at least one of the following steps.

Step S601, the terminal performs at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

The step S601 may implement the method embodiments of the step S201 in FIG. 2 and the step S401 in FIG. 4 , and obtain the same or similar technical effects, and the repeated content will not be repeated here.

Optionally, after the sending of the fourth indication to the first network side device, the first network side device performs at least one of the following:

sending, by the first network side device, a first indication to the second network side device;

When the third condition is satisfied, the first network side device removes the information of the first service in the first indication;

The first network side device refuses to send the first indication to the second network side device.

Optionally, the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

Optionally, the sending the fourth indication to the first network side device includes:

After receiving the radio resource control reconfiguration message sent by the first network side device, send a fourth indication to the first network side device.

Optionally, after the sending of the fourth indication to the second network-side device, the second network-side device executes the first behavior when the fourth condition is satisfied.

Optionally, the fourth condition is that the second network-side device is not in the service area of the first service.

Optionally, the first behavior is that the second network side device releases resources corresponding to the first service.

Optionally, the first network side device is a base station or a core network function.

Optionally, in the case where the first network side device is a base station, the first network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type. A base station of a service type corresponding to a service.

Optionally, in the case where the second network side device is a base station, the second network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type. A base station of a service type corresponding to a service.

Optionally, the first network side device is located within the service area of the first service, or the first network side device is located outside the service area of the first service.

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

Therefore, in a handover method provided by the implementation of this application, the terminal sends the fourth indication to the first network side device, or sends the fourth indication to the two network side devices, and when it is found that the target base station is in the service of the first service When it is outside the area, the handover is refused, thus ensuring that the Local MBS service can only be provided within its service area, and improving the resource utilization efficiency of the Local MBS service.

FIG. 7 shows another schematic structural diagram of a switching apparatus according to an embodiment of the present application. As shown in FIG. 7 , the switching apparatus includes: a third execution module 701 and a third transceiver module 702 .

The third execution module 701 is configured to determine a fourth indication; the third transceiver module 702 is configured to execute at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

Optionally, the first indication includes at least one of the following:

The business identifier of the first business;

The identifier of the service group to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

Optionally, the third transceiver module 702 is configured to send a fourth indication to the first network side device after receiving the radio resource control reconfiguration message sent by the first network side device.

Optionally, after the sending of the fourth indication to the second network-side device, the second network-side device executes the first behavior under the condition that the fourth condition is satisfied.

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

Therefore, a switching apparatus provided by the implementation of the present application, by sending the fourth indication to the first network side device, or sending the fourth indication to the two network side devices, when it is found that the target base station is in the service area of the first service When it is outside, the handover is refused, thus ensuring that the Local MBS service can only be provided in its business area, and improving the resource utilization efficiency of the Local MBS service.

The switching device in this embodiment of the present application may be a device, a device or an electronic device with an operating system, or may be a component, an integrated circuit, or a chip in a terminal. The apparatus or electronic device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.

The switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment of FIG. 6 and achieve the same technical effect. To avoid repetition, details are not repeated here.

FIG. 8 shows another schematic flowchart of a handover method according to an embodiment of the present application, where the method is executed by a core network function. As shown in Figure 8, the method may include the following steps.

Step S801, the core network function performs at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

The step S801 can implement the method embodiments of the step S201 in FIG. 2 and the step S401 in FIG. 4 , and obtain the same or similar technical effects, and the repeated parts are not repeated here.

Optionally, the fourth indication includes at least one of the following:

The instruction sent by the first service;

Instructions for the commencement of the first business;

Instructions for the resumption of the first business;

An instruction not to send the first service;

An instruction to suspend the first business;

The instruction to delete the first service.

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

Therefore, in a handover method provided by the implementation of this application, a fourth indication is sent to a first network side device through a core network function, or a fourth indication is sent to a second network side device, and when it is found that the target base station is in the first service When it is outside the service area, it refuses to switch, thus ensuring that the Local MBS service can only be provided within its service area, and improving the resource utilization efficiency of the Local MBS service.

FIG. 9 shows a schematic structural diagram of a switching apparatus according to an embodiment of the present application. As shown in FIG. 9 , the switching apparatus includes: a fourth execution module 901 and a fourth transceiver module 902 .

The fourth execution module 901 is configured to determine a fourth indication; the fourth transceiver module 902 is configured to execute at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

Optionally, the fourth indication includes at least one of the following:

The instruction sent by the first service;

Instructions for the commencement of the first business;

Instructions for the resumption of the first business;

An instruction not to send the first service;

An instruction to suspend the first business;

The instruction to delete the first service.

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

Therefore, a switching apparatus provided by the implementation of the present application, by sending the fourth indication to the first network side device, or sending the fourth indication to the second network side device, when it is found that the target base station is outside the service area of the first service When , the handover is refused, thus ensuring that the Local MBS service can only be provided in its business area, and improving the resource utilization efficiency of the Local MBS service.

Optionally, as shown in FIG. 10 , an embodiment of the present application further provides a communication device 1000, including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001, For example, when the communication device 1000 is a terminal, when the program or instruction is executed by the processor 1001, each process of the foregoing switching method embodiments can be implemented, and the same technical effect can be achieved. When the communication device 1000 is a network side device, when the program or instruction is executed by the processor 1001, each process of the above switching method embodiment can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not described here.

An embodiment of the present application further provides a network-side device, including a processor and a communication interface, where the processor is used to determine a first indication, and the communication interface is used to send the first indication to a second network-side device; or, the processor is used to obtain For the indication content of the first indication, the communication interface is used to receive the first indication sent by the first network side device; or, the processor is used to determine a fourth indication, and the communication interface is used to perform at least one of the following: The first network-side device sends a fourth indication; and the fourth network-side device sends the fourth indication. This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.

Specifically, an embodiment of the present application further provides a network side device. As shown in FIG. 11 , the network device 1100 includes: an antenna 111 , a radio frequency device 112 , and a baseband device 113 . The antenna 111 is connected to the radio frequency device 112 . In the uplink direction, the radio frequency device 112 receives information through the antenna 111, and sends the received information to the baseband device 113 for processing. In the downlink direction, the baseband device 113 processes the information to be sent and sends it to the radio frequency device 112 , and the radio frequency device 112 processes the received information and sends it out through the antenna 111 .

The above-mentioned frequency band processing apparatus may be located in the baseband apparatus 113 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 113 . The baseband apparatus 113 includes a processor 114 and a memory 115 .

The baseband device 113 may include, for example, at least one baseband board on which multiple chips are arranged, as shown in FIG. 11 , one of the chips is, for example, the processor 114 , which is connected to the memory 115 to call the program in the memory 115 to execute The network devices shown in the above method embodiments operate.

The baseband device 113 may further include a network interface 116 for exchanging information with the radio frequency device 112, and the interface is, for example, a common public radio interface (CPRI for short).

Specifically, the network-side device in the embodiment of the present invention further includes: an instruction or program stored in the memory 115 and executable on the processor 114, and the processor 114 invokes the instruction or program in the memory 115 to execute FIG. 3, FIG. 5 and FIG. The method performed by each module shown in FIG. 9 achieves the same technical effect, and is not repeated here in order to avoid repetition.

An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to determine a fourth indication, and the communication interface is configured to perform at least one of the following: sending a fourth indication to a first network side device; sending a fourth indication to a second network side device; The side device sends a fourth indication. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 12 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.

The terminal 1200 includes but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, a user input unit 1207, an interface unit 1208, a memory 1209, and a processor 1210, etc. at least part of the components.

Those skilled in the art can understand that the terminal 1200 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1210 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions. The terminal structure shown in FIG. 12 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.

It should be understood that, in this embodiment of the present application, the input unit 1204 may include a graphics processor (Graphics Processing Unit, GPU) 12041 and a microphone 12042. Such as camera) to obtain still pictures or video image data for processing. The display unit 1206 may include a display panel 12061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1207 includes a touch panel 12071 and other input devices 12072 . The touch panel 12071 is also called a touch screen. The touch panel 12071 may include two parts, a touch detection device and a touch controller. Other input devices 12072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.

In the embodiment of the present application, the radio frequency unit 1201 receives the downlink data from the network side device, and then processes it to the processor 1210; in addition, sends the uplink data to the network side device. Generally, the radio frequency unit 1201 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

Memory 1209 may be used to store software programs or instructions as well as various data. The memory 1209 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like. In addition, the memory 1209 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM) ), erasable programmable read-only memory (ErasablePROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. For example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

The processor 1210 may include one or more processing units; optionally, the processor 1210 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1210.

The radio frequency unit 1201 is configured to perform at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.

Optionally, the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.

Optionally, the radio frequency unit 1201 is configured to send a fourth indication to the first network side device after receiving the radio resource control reconfiguration message sent by the first network side device.

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

Therefore, a terminal provided by the implementation of the present application ensures that the Local MBS service can only be provided in its service area, and improves the resource utilization efficiency of the Local MBS service.

An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing switching method embodiment can be implemented, and the same can be achieved. The technical effect, in order to avoid repetition, will not be repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.

An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement each of the foregoing switching method embodiments process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.

It should be understood that the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform functions, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present application can be embodied in the form of computer software products that are essentially or contribute to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims

A switching method, performed by a first network side device, includes:

Send a first indication to the second network side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.
The method according to claim 1, wherein after the sending the first indication to the second network side device, the method further comprises:

Receive a second indication sent by the second network-side device; wherein, the second indication is sent by the second network-side device after determining that the first condition is satisfied.
The method of claim 2, wherein the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

the second network side device is outside the service area of the first service;

The third network side device is outside the service area of the first service.
The method according to claim 2, wherein the second indication is used to indicate rejection of the handover of the first service.
The method of claim 1, wherein the method further comprises:

A fourth indication is received; wherein the fourth indication includes service area information.
The method according to claim 5, wherein the fourth indication comprises at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.
The method according to claim 6, wherein, when the fourth indication is a fourth indication sent by the terminal, the receiving the fourth indication comprises at least one of the following:

After sending the radio resource control reconfiguration message to the terminal, the fourth indication sent by the terminal is received;

Before sending the first instruction to the second network side device, a fourth instruction sent by the terminal is received.
The method of claim 5, wherein after the receiving the fourth indication, the method further comprises at least one of the following:

refuse to send the first indication;

If the third condition is satisfied, remove the information of the first service from the first indication;

Send the first indication to the second network-side device.
The method of claim 8, wherein the third condition includes that the second network-side device is not within a service area of the first service.
The method according to claim 6, wherein when the fourth indication is a fourth indication sent by a core network function, the fourth indication further comprises at least one of the following:

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.
The method according to claim 1, wherein the first network side device is a base station or a core network function.
The method according to claim 11, wherein, when the first network side device is a base station, the first network side device is a base station having a service type corresponding to the first service, or the The first network side device is a base station that does not have a service type corresponding to the first service.
The method according to claim 1, wherein the second network side device is a base station or a core network function.
The method according to claim 13, wherein, when the second network-side device is a base station, the second network-side device is a base station having a service type corresponding to the first service, or, the The second network-side device is a base station that does not have a service type corresponding to the first service.
The method according to claim 1, wherein the first network-side device is within the service area of the first service, or the first network-side device is outside the service area of the first service.
The method according to claim 1, wherein the second network-side device is within the service area of the first service, or the second network-side device is outside the service area of the first service.
The method according to claim 1, wherein, when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further comprises at least the following: one,

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A switching device, comprising:

a first execution module, configured to determine a first indication;

a first transceiver module, configured to send a first indication to a second network-side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.
The apparatus according to claim 18, wherein after the sending the first indication to the second network side device, the first transceiver module 302 is further configured to receive a second indication sent by the second network side device; The second indication is sent by the second network-side device after determining that the first condition is satisfied.
The apparatus of claim 19, wherein the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

the second network side device is outside the service area of the first service;

The third network side device is outside the service area of the first service.
The apparatus of claim 19, wherein the second indication is used to indicate rejection of the handover of the first service.
The apparatus according to claim 18, wherein the first transceiver module is further configured to receive a fourth indication; wherein the fourth indication includes service area information.
The apparatus of claim 22, wherein the fourth indication includes at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.
The device according to claim 23, wherein when the fourth indication is a fourth indication sent by the terminal, the first transceiver module 302 is configured to perform at least one of the following:

After sending the radio resource control reconfiguration message to the terminal, the fourth indication sent by the terminal is received;

Before sending the first instruction to the second network side device, a fourth instruction sent by the terminal is received.
The apparatus according to claim 22, wherein after the receiving the fourth indication, the first transceiving module is further configured to perform at least one of the following:

refuse to send the first indication;

If the third condition is satisfied, remove the information of the first service from the first indication;

Send the first indication to the second network-side device.
The apparatus of claim 25, wherein the third condition includes that the second network-side device is not within a service area of the first service.
The apparatus according to claim 23, wherein when the fourth indication is a fourth indication sent by a core network function, the fourth indication further comprises at least one of the following:

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.
The apparatus according to claim 18, wherein the switching apparatus is a base station or a core network function.
The device according to claim 28, wherein, when the switching device is a base station, the switching device is a base station with a service type corresponding to the first service, or the switching device does not have all the services. The base station of the service type corresponding to the first service is described.
The apparatus according to claim 18, wherein the second network side device is a base station or a core network function.
The apparatus according to claim 30, wherein, when the second network-side device is a base station, the second network-side device is a base station having a service type corresponding to the first service, or the The second network-side device is a base station that does not have a service type corresponding to the first service.
The device according to claim 18, wherein the switching device is located within the service area of the first service, or the switching device is located outside the service area of the first service.
The apparatus according to claim 18, wherein the second network-side device is within the service area of the first service, or the second network-side device is outside the service area of the first service.
The apparatus according to claim 18, wherein, when the switching apparatus is located in the service area of the first service or at the edge of the service area of the first service, the switching apparatus further comprises at least one of the following:

The switching device only has the function of initiating XN switching;

The switching device only has the function of initiating N2 switching;

The switching device has the function of initiating XN switching and/or N2 switching.
A switching method, performed by a second network side device, includes:

Receive a first indication sent by a first network-side device; wherein the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.
The method according to claim 35, wherein after the receiving the first indication sent by the first network-side device, the method further comprises:

When the first condition is satisfied, a second indication is sent to the first network-side device.
The method of claim 36, wherein the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

the switching device is outside the service area of the first service;

The third network side device is outside the service area of the first service.
The method of claim 36, wherein the second indication is used to indicate rejection of handover to the first service.
The method according to claim 35, wherein after the receiving the first indication sent by the first network-side device, the method further comprises at least one of the following:

sending a path switching request message to the fourth network side device;

Receive a third indication of the fourth network side device; wherein, the third indication is sent by the fourth network side device when it determines that the second condition is satisfied; the third indication is used to indicate whether the first service is path switched The request was successful.
The method of claim 39, wherein the second condition comprises at least one of the following:

The service corresponding to the path switching request message includes the first service;

The second network side device is outside the service area of the first service.
The method of claim 35, wherein the method further comprises:

A fourth indication is received; wherein the fourth indication includes service area information.
The method of claim 41, wherein the fourth indication comprises at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.
The method according to claim 42, wherein when the fourth indication is a fourth indication sent by the terminal, the receiving the fourth indication comprises at least one of the following:

the fourth indication sent by the terminal received during the handover process performed by the terminal;

The fourth indication sent by the terminal is received after the terminal completes the handover.
The method of claim 41 , wherein, after the receiving the fourth indication, the method further comprises:

When the fourth condition is satisfied, the first behavior is executed.
The method according to claim 44, wherein the fourth condition is that the second network-side device is not within the service area of the first service.
The method of claim 44, wherein said performing the first action comprises:

Release the resource corresponding to the first service.
The method according to claim 42, wherein when the fourth indication is a fourth indication sent by a core network function, the fourth indication further comprises at least one of the following:

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.
The method according to claim 35, wherein when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the method further comprises at least one of the following:

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A switching device, comprising:

a second transceiver module, configured to receive the first indication sent by the first network side device;

a second execution module, configured to obtain the instruction content of the first instruction;

Wherein, the first indication includes at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.
The apparatus of claim 49, wherein the second transceiver module is configured to:

When the first condition is satisfied, a second indication is sent to the first network-side device.
The apparatus of claim 50, wherein the first condition includes at least one of the following:

The service corresponding to the first indication includes the first service;

the switching device is outside the service area of the first service;

The third network side device is outside the service area of the first service.
The apparatus of claim 50, wherein the second indication is used to indicate rejection of the handover of the first service.
The apparatus according to claim 49, wherein after receiving the first indication sent by the first network-side device, the second transceiver module is further configured to perform at least one of the following:

sending a path switching request message to the fourth network side device;

Receive a third indication of the fourth network side device; wherein, the third indication is sent by the fourth network side device when it determines that the second condition is satisfied; the third indication is used to indicate whether the first service is path switched The request was successful.
The apparatus of claim 53, wherein the second condition includes at least one of the following:

The service corresponding to the path switching request message includes the first service;

The switching device is outside the service area of the first service.
The apparatus of claim 49, wherein the second transceiver module is further configured to:

A fourth indication is received, wherein the fourth indication includes service area information.
The apparatus of claim 55, wherein the fourth indication includes at least one of the following:

a fourth instruction sent by the terminal;

The fourth indication sent by the core network function.
The apparatus according to claim 56, wherein, optionally, when the fourth indication is a fourth indication sent by the terminal, the receiving the fourth indication includes at least one of the following:

the fourth indication sent by the terminal received during the handover process performed by the terminal;

The fourth indication sent by the terminal is received after the terminal completes the handover.
The apparatus according to claim 55, wherein after the receiving the fourth indication, the second transceiving module 502 is further configured to:

When the fourth condition is satisfied, the first behavior is executed.
The apparatus of claim 58, wherein the fourth condition is that the switching apparatus is not within a service area of the first service.
The apparatus of claim 58, wherein said performing the first action comprises:

Release the resource corresponding to the first service.
The apparatus according to claim 56, wherein when the fourth indication is a fourth indication sent by a core network function, the fourth indication further comprises at least one of the following:

an instruction sent by the first service;

an indication of the start of the first service;

an instruction for the first service to resume;

an instruction not to send the first service;

an indication that the first service is suspended;

An indication of the deletion of the first service.
The apparatus according to claim 49, wherein when the first network-side device is located in the service area of the first service or at the edge of the service area of the first service, it further comprises at least one of the following:

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A handover method, executed by a terminal, comprising at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.
The method according to claim 63, wherein after the sending the fourth indication to the first network side device, the first network side device performs at least one of the following:

sending, by the first network side device, a first indication to the second network side device;

When the third condition is satisfied, the first network side device removes the information of the first service in the first indication;

The first network side device refuses to send the first indication to the second network side device.
The method of claim 64, wherein the first indication comprises at least one of the following:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.
The method of claim 64, wherein the third condition includes that the second network-side device is not within a service area of the first service.
The method according to claim 63, wherein the sending the fourth indication to the first network side device comprises:

After receiving the radio resource control reconfiguration message sent by the first network side device, send a fourth indication to the first network side device.
The method according to claim 63, wherein after the sending the fourth indication to the second network-side device, the second network-side device executes the first behavior under the condition that the fourth condition is satisfied.
The method according to claim 68, wherein the fourth condition is that the second network-side device is not in the service area of the first service.
The method according to claim 68, wherein the first behavior is that the second network side device releases resources corresponding to the first service.
The method according to claim 63, wherein the first network side device is a base station or a core network function.
The method according to claim 71, wherein, when the first network-side device is a base station, the first network-side device is a base station with a service type corresponding to the first service, or the first network-side device is a base station with a service type corresponding to the first service. The network side device is a base station that does not have a service type corresponding to the first service.
The method according to claim 63, wherein the second network side device is a base station or a core network function.
The method according to claim 73, wherein when the second network side device is a base station, the second network side device is a base station having a service type corresponding to the first service, or the first network side device is a base station with a service type corresponding to the first service. The network side device is a base station that does not have a service type corresponding to the first service.
The method according to claim 63, wherein the first network-side device is within the service area of the first service, or the first network-side device is outside the service area of the first service.
The method according to claim 63, wherein the second network side device is within the service area of the first service, or the second network side device is outside the service area of the first service.
The method according to claim 63, wherein, when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further comprises at least one of the following ,

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A switching device, comprising:

a third execution module, configured to determine a fourth instruction;

The third transceiver module is configured to perform at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.
The apparatus according to claim 78, wherein after the sending the fourth indication to the first network-side device, the first network-side device performs at least one of the following:

sending, by the first network side device, a first indication to the second network side device;

When the third condition is satisfied, the first network side device removes the information of the first service in the first indication;

The first network side device refuses to send the first indication to the second network side device.
79. The apparatus of claim 79, wherein the first indication comprises at least one of:

The business identifier of the first business;

The service group identifier to which the first service belongs;

the session identifier of the first service;

The flow identifier of the first service;

Flow description of the first service;

A business identifier dedicated to the first business;

It is dedicated to the identification of the business group to which the first business belongs;

A session identifier dedicated to the first service;

A stream identifier dedicated to the first service;

Flow description dedicated to the first service.
The apparatus of claim 79, wherein the third condition includes that the second network-side device is not within a service area of the first service.
The apparatus according to claim 78, wherein the third transceiver module is configured to send a fourth indication to the first network side device after receiving the radio resource control reconfiguration message sent by the first network side device.
The apparatus according to claim 78, wherein after the sending the fourth indication to the second network-side device, the second network-side device executes the first behavior under the condition that the fourth condition is satisfied.
The apparatus according to claim 78, wherein the fourth condition is that the second network-side device is not in the service area of the first service.
The apparatus according to claim 83, wherein the first behavior is that the second network-side device releases resources corresponding to the first service.
The apparatus according to claim 78, wherein the first network side device is a base station or a core network function.
The apparatus according to claim 86, wherein, when the first network-side device is a base station, the first network-side device is a base station with a service type corresponding to the first service, or the first network-side device is a base station with a service type corresponding to the first service The network side device is a base station that does not have a service type corresponding to the first service.
The apparatus according to claim 78, wherein the second network side device is a base station or a core network function.
The apparatus according to claim 88, wherein when the second network-side device is a base station, the second network-side device is a base station having a service type corresponding to the first service, or the first The network side device is a base station that does not have a service type corresponding to the first service.
The apparatus according to claim 78, wherein the first network-side device is within the service area of the first service, or the first network-side device is outside the service area of the first service.
The apparatus according to claim 78, wherein the second network-side device is within the service area of the first service, or the second network-side device is outside the service area of the first service.
The apparatus according to claim 78, wherein when the first network-side device is located in the service area of the first service or at the edge of the service area of the first service, the first network-side device further comprises at least one of the following ,

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A handover method, performed by a core network function, comprising at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.
The method of claim 93, wherein the fourth indication comprises at least one of the following:

The instruction sent by the first service;

Instructions for the commencement of the first business;

Instructions for the resumption of the first business;

An instruction not to send the first service;

An instruction to suspend the first business;

An instruction to delete the first service.
The method according to claim 93, wherein, when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further comprises at least one of the following ,

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A switching device, comprising:

a fourth execution module, configured to determine a fourth instruction;

a fourth transceiver module, configured to perform at least one of the following:

sending a fourth indication to the first network side device;

sending a fourth indication to the second network side device;

Wherein, the fourth indication includes service area information.
The apparatus of claim 96, wherein the fourth indication comprises at least one of:

The instruction sent by the first service;

Instructions for the commencement of the first business;

Instructions for the resumption of the first business;

An instruction not to send the first service;

An instruction to suspend the first business;

The instruction to delete the first service.
The apparatus according to claim 96, wherein when the first network-side device is located in the service area of the first service or at the edge of the service area of the first service, the first network-side device further comprises at least one of the following ,

The first network side device only has the function of initiating XN handover;

The first network side device only has the function of initiating N2 handover;

The first network side device has the function of initiating XN handover and/or N2 handover.
A network-side device, comprising a processor, a memory, and a program or instruction stored on the memory and running on the processor, the program or instruction being executed by the processor to achieve the performance as claimed in claims 1 to 17 The steps of the handover method described in any one of the claims, or the steps of implementing the handover method described in any one of claims 35 to 48, or the steps of realizing the handover method described in any one of claims 93 to 95.
A terminal, comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor to implement any one of claims 63 to 77. A step of the handover method described.
A readable storage medium, on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the switching method according to any one of claims 1-17 is realized, or the method according to claim 1 is realized. The steps of the handover method described in any one of 35 to 48, or the steps of realizing the handover method described in any one of claims 63 to 77, or the steps of realizing the handover method described in any one of claims 93 to 95. step.