CN115278791A - Switching method, apparatus, device and readable storage medium - Google Patents

Abstract

The application discloses a switching method, a switching device and a readable storage medium, wherein the method comprises the following steps: the method comprises the steps that a first device receives a switching command from a network side device, wherein the switching command instructs the first device and one or more second devices to uniformly execute a switching process, or the switching command instructs the first device to execute the switching process; the first equipment executes a switching process according to the switching command; wherein the first device and the one or more second devices jointly transmit a first service.

Description

Switching method, device, equipment and readable storage medium

technical field

The present application belongs to the technical field of communication, and in particular relates to a handover (Hand Over, HO) method, device, equipment and a readable storage medium.

Background technique

In the prior art, a terminal (such as user equipment (User Equipment, UE)) establishes its own control plane connection and user plane connection with the core network, such as a protocol data unit (Protocol Data Unit, PDU) session (session), when When a UE moves between different cells, different base stations, or even different core network nodes, the network side transfers the UE's control plane connection, user plane connection, and transmission status between different network nodes, so as to Ensure that the UE's service transmission can be continuous, uninterrupted, and lossless as required.

When two UEs (such as UE1 and UE2) perform data transmission, because each establishes its own core network/access network control plane connection and user plane connection, for example, Non-Access-Stratum (NAS) Connection (core network control plane), radio resource control (Radio Resource Control, RRC) connection (access network control plane), PDU session (core network user plane), data radio bearer (Data Radio Bearer, DRB)/quality of service ( Quality of Service (QoS) flow (access network user plane) is independent of two UEs.

For example, in the case that UE1 and UE2 continuously transmit a common service, if UE1 and/or UE2 has a radio link failure (Radio Link Failure, RLF), how to instruct UE1 and/or UE2 to perform handover is an urgent problem to be solved question.

Contents of the invention

Embodiments of the present application provide a switching method, device, device, and readable storage medium, which can solve the problem of how to execute the HO process when two or more devices transmit services together.

In the first aspect, a switching method is provided, including:

The first device receives a switch command from the network side device, the switch command instructs the first device and one or more second devices to uniformly perform a switch process, or the switch command instructs the first device to perform a switch process;

The first device executes a handover process according to the handover command;

Wherein, the first device and the one or more second devices jointly transmit the first service.

In the second aspect, a switching method is provided, including:

The network-side device sends a switching command to the first device, where the switching command instructs the first device and one or more second devices to perform a switching process uniformly, or the switching command instructs the first device to perform a switching process;

Wherein, the first device and the one or more second devices jointly transmit the first service.

In a third aspect, a switching device is provided, including:

The first receiving module: used to receive a switch command from the network side device, the switch command instructs the first device and one or more second devices to execute a switch process uniformly, or the switch command instructs the first device to execute switch process;

An execution module, configured to execute a switching process according to the switching command;

Wherein, the first device and the one or more second devices jointly transmit the first service.

In a fourth aspect, a switching device is provided, including:

A third sending module, configured to send a switching command to the first device, the switching command instructing the first device and one or more second devices to execute a switching process uniformly, or the switching command instructing the first device to execute switch process;

Wherein, the first device and the one or more second devices jointly transmit the first service.

According to a fifth aspect, a terminal is provided, including: a processor, a memory, and a program stored in the memory and operable on the processor, and when the program is executed by the processor, the terminal described in the first aspect is implemented. steps of the method described above.

A sixth aspect provides a terminal, including a processor and a communication interface, wherein the processor is configured to implement the steps of the method described in the first aspect during execution.

In a seventh aspect, a network side device is provided, including: a processor, a memory, and a program stored in the memory and operable on the processor, and when the program is executed by the processor, the second The steps of the method described in the aspect.

In an eighth aspect, a network side device is provided, including a processor and a communication interface, wherein the processor is configured to implement the steps of the method described in the second aspect during execution.

According to a ninth aspect, a readable storage medium is provided, and 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 or the second aspect are implemented.

In a tenth aspect, a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the computer program/program product is executed by at least one processor to implement the first aspect Or the steps of the processing method described in the second aspect.

In an eleventh aspect, a chip is provided, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the first aspect or the second The method of processing described in the aspect.

In the embodiment of the present application, when two or more devices transmit services together, the network side can instruct multiple devices to perform handover in a unified manner, or instruct the device with RLF to perform handover, so as to avoid the interruption of services transmitted by multiple devices , to ensure the reliability of data transmission and user experience.

Description of drawings

FIG. 1 is a schematic diagram of a wireless communication system applicable to an embodiment of the present application;

FIG. 2 is one of the flowcharts of the handover method provided by the embodiment of the present application;

Fig. 3 is the second flowchart of the handover method provided by the embodiment of the present application;

Fig. 4 is the third flowchart of the handover method provided by the embodiment of the present application;

FIG. 5 is the fourth flowchart of the handover method provided by the embodiment of the present application;

FIG. 6 is the fifth flowchart of the handover method provided by the embodiment of the present application;

FIG. 7 is the sixth flowchart of the handover method provided by the embodiment of the present application;

Fig. 8 is one of the schematic diagrams of the switching device provided by the embodiment of the present application;

Fig. 9 is the second schematic diagram of the switching device provided by the embodiment of the present application;

FIG. 10 is a schematic diagram of a terminal in an embodiment of the present application;

FIG. 11 is a schematic diagram of a network side device in an embodiment of the present application.

Detailed ways

The following will clearly describe the technical solutions in the embodiments of the present application with reference to the 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 them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specified order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and "second" distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and" in the specification and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are an "or" relationship.

It is worth pointing out that the technology described in the embodiment of this application is not limited to the Long Term Evolution (Long Term Evolution, LTE)/LTE-Advanced (LTE-Advanced, LTE-A) system, and can also be used in other wireless communication systems, such as code division Multiple Access (Code Division Multiple Access, CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (OFDMA) , Single-carrier Frequency-Division Multiple Access (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 for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies. The following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 ^th Generation, 6G) communication system.

Referring to FIG. 1 , it shows a block diagram of a wireless communication system to which this embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a network side device 12 . Wherein, the terminal 11 can also be called a terminal device or a user terminal (UserEquipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital 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, earphones, glasses, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 and the quantity of the terminal 11, for example, the quantity may be 2, 3, 4 or more than 4 and so on.

The network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base TransceiverStation, BTS), a radio base station, a radio transceiver, a basic service set (BasicServiceSet, BSS), Extended Service Set (ExtendedServiceSet, ESS), B Node, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, TransmittingReceiving Point , TRP), wireless access network node, or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to specified technical terms. It should be noted that, in the embodiments of the present application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.

Referring to FIG. 2 , an embodiment of the present application provides a handover method, and specific steps include: step 201 and step 202 .

Step 201: The first device receives a handover command (Handover Command, HO CMD) from the network side device, and the handover command instructs the first device and one or more second devices to uniformly execute the handover process, or the handover command indicates The first device executes a switching process;

For example, the first device is a device where RLF occurs.

Step 202: The first device executes a handover process according to the handover command;

Wherein, the first device and the one or more second devices jointly transmit the first service, for example, the first service may be a streaming media service, and the same video is played on the first device and the one or more second devices , of course it is not limited to this.

In this embodiment of the application, both the first device and one or more second devices can receive the switching command, so that the first device and one or more second devices can uniformly execute the switching command according to the switching command; or, the network side The device only sends a switching command to the first device. At this time, the switching command instructs the first device to execute the switching command. After receiving the switching command, the first device can forward the switching command to the second device. At this time, the switching command indicates The second device executes the handover process.

It should be noted that the first device may also be called a master device (such as a master UE (master UE)), the second device may also be called a secondary device (such as a secondary UE (secondary UE)), or the first device may also be called a As a secondary device, the second device may also be referred to as the primary device.

In an implementation manner of the present application, when the switching command instructs the first device and one or more second devices to uniformly execute the switching process, the first device and the one or more second devices The second device maintains a radio resource control (Radio Resource Control, RRC) connection with the network side device, see scenario 1 described below.

In an embodiment of the present application, when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network side device, and the one or more The second device maintains a data transmission link with the network side device, see scenario 2 described below.

In an implementation manner of the present application, before the first device receives a switching command from the network side device, the method further includes:

The first device performs a measurement to obtain a first measurement result;

The first device reports eleventh information to the network side device, where the eleventh information includes: a first measurement result, or the eleventh information includes the first measurement result and a second measurement result, The second measurement result is obtained by the second device performing the measurement, and is obtained by the first device through interaction with the second device.

In the embodiment of the present application, one or more of the following items may be exchanged between the first device and the second device: measurement results and handover related information.

In an implementation manner of the present application, the eleventh information further includes one or more of the following:

(1) The identity information of the second device, for example, the Temporary Mobile Subscriber Identity (Serving-Temporary Mobile Subscriber Identity, S-TMSI) of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In an implementation manner of the present application, after the first device receives the handover command from the network side device, the method further includes:

The first device acquires first information;

The first device stops transmitting the first service according to the first information;

Wherein, the first information instructs the first device and one or more second devices to stop transmitting the first service, or the first information instructs the first device to stop transmitting the first service.

In an implementation manner of the present application, when the first information indicates that the first device stops transmitting the first service, the method further includes:

The first device sends second information to the second device, where the second information instructs the second device to stop transmitting the first service;

or,

The first device sends third information to the network-side device, where the third information instructs the network-side device to stop sending data related to the first service to the second device.

In one embodiment of the present application, the third information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In an implementation manner of the present application, after the first device completes the handover process according to the handover command, the method further includes:

The first device resumes transmitting the first service.

For example, the first device and the second device jointly resume receiving the first service from the network-side device, or the first device resumes receiving the first service from the network-side device, and the first device then determines to resume the second device receiving the first service from the network-side device. a business.

In an implementation manner of the present application, the resuming transmission of the first service by the first device includes:

The first device receives fourth information from a network side device, where the fourth information instructs the first device and one or more second devices to resume transmission of the first service, or the fourth information indicates that the The first device resumes transmitting the first service;

The first device resumes transmitting the first service according to the fourth information.

In an embodiment of the present application, when the fourth information indicates that the first device resumes transmitting the first service, the method further includes:

The first device sends fifth information to the second device, where the fifth information instructs the second device to resume transmission of the first service;

or,

The first device sends sixth information to the network-side device, where the sixth information instructs the network-side device to resume sending data related to the first service to the second device.

In one embodiment of the present application, the sixth information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In an implementation manner of the present application, after the first device completes the handover process according to the handover command, the method further includes:

The first device activates the transmission of the first service.

In an implementation manner of the present application, the activation of the transmission of the first service by the first device includes one of the following:

(1) The first device receives seventh information from the network side device, where the seventh information instructs the first device and one or more second devices to activate the transmission of the first service;

(2) The first device receives eighth information from the network side device, where the eighth information instructs the first device to activate the transmission of the first service;

The first device sends ninth information to the one or more second devices, where the ninth information instructs the second device to activate the transmission of the first service;

(3) The first device autonomously activates the transmission of the first service.

In an embodiment of the present application, the switching command further includes related information of the second device, and the related information of the second device includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, etc.;

(5) The reconfiguration information of the second device, for example, the reconfiguration information is used to configure the second device to establish an RRC reconnection with the network side device;

(6) Tenth information, where the tenth information indicates to deactivate the transmission of the first service.

It can be understood that, since the switching command may include the relevant information of the second device, after receiving the switching command, the first device may forward the switching command to the second device based on the relevant information of the second device, so that even The network side device does not directly send the switching command to the second device, and the second device may also obtain the switching command through the first device, so that the second device may also execute the switching process.

Taking the first device as a UE, the second device as a smart watch, and the first service as a streaming media service as an example, when the UE and the smart watch jointly transmit the streaming media service, if the smart watch generates a UE, the UE can receive a switching command from the network side device , the handover command instructs the UE or instructs the UE and the smart watch to execute the handover process uniformly, so as to prevent the streaming media service jointly transmitted by the UE and the smart watch from being interrupted or affecting user experience.

In the embodiment of the present application, when two or more devices transmit services together, the network side can instruct multiple devices to perform handover in a unified manner, or instruct the device with RLF to perform handover, so as to avoid the interruption of services transmitted by multiple devices , to ensure the reliability of data transmission and user experience.

Referring to FIG. 3 , an embodiment of the present application provides a handover method, and specific steps include: Step 301 .

Step 301: The network side device sends a switching command to the first device, the switching command instructs the first device and one or more second devices to perform a switching process uniformly, or the switching command instructs the first device to perform switching process;

Wherein, the first device and the one or more second devices jointly transmit the first service.

For example, the first device is a device where RLF occurs.

In an implementation manner of the present application, when the switching command instructs the first device and one or more second devices to uniformly execute the switching process, the first device and the one or more second devices The second device maintains the RRC connection with the network side device.

In an embodiment of the present application, when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network side device, and the one or more The second device maintains a data transmission link with the network side device.

In an implementation manner of the present application, before the first device receives the switching command from the network side device, the method further includes:

The first device receives eleventh information reported by the first device from the network side device, where the eleventh information includes: a first measurement result, or the eleventh information includes the first measurement result and A second measurement result. The first measurement result is obtained by performing measurement by the first device, and the second measurement result is obtained by performing measurement by the second device.

In an implementation manner of the present application, the eleventh information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In one embodiment of the present application, the switching command further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, etc.;

(5) reconfiguration information of the second device;

(6) Tenth information, where the tenth information indicates to deactivate the transmission of the first service.

In the embodiment of the present application, when two or more devices transmit services together, the network side can instruct multiple devices to perform handover in a unified manner, or instruct the device with RLF to perform handover, so as to avoid the interruption of services transmitted by multiple devices , to ensure the reliability of data transmission and user experience.

The following describes the embodiments of this application in conjunction with Scenario 1 and Scenario 2. It should be noted that, in Scenario 1 and Scenario 2, two UEs are used as an example for introduction. In this embodiment of the application, the UE that jointly transmits the first service is not limited. The quantity can be two UEs, three UEs, four UEs, etc.

The two UEs include UE1 and UE2, wherein UE1 may also be called a master UE (master UE), and UE2 may also be called a secondary UE (secondary UE).

Scenario 1: Both UE1 and UE2 maintain an RRC connection with the network and perform HO independently.

It should be noted that Scenario 1 may include the following two solutions:

(1) Stop UE common transmission between UEs, reconfigure and start common transmission after HO;

(2) It is not necessary to stop UE joint transmission between UEs, and continue joint transmission before and after HO.

Solution 1: Stop joint transmission between UE1 and UE2, reconfigure and start joint transmission after HO.

Referring to FIG. 4 , both UE1 and UE2 perform RRC measurement, and respectively obtain a first measurement result and a second measurement result.

Optionally, measurement results may be exchanged between UE1 and UE2.

Optionally, UE1 reports eleventh information to the network side device, where the eleventh information may include: the first measurement result and/or the second measurement result, further, the eleventh information may also include related information of UE2.

Optionally, the relevant information of UE2 may include one or more of the following:

(1) Identity information of UE2, for example, UE2's Temporary Mobile Subscriber Identity (Serving-Temporary MobileSubscriber Identity, S-TMSI);

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

When the HO condition is satisfied, the network side device can select a suitable target cell for UE1 and UE2 according to the measurement results reported by UE1 and UE2, and the network side device sends a Handover Command (HOCMD) to UE1 and UE2.

In case UE1 and UE2 receive the HO CMD, UE1 and UE2 stop the common transmission.

Optionally, the manner of stopping common transmission may include one or more of the following:

(1) UE1 acquires first information, the first information instructs UE1 and UE2 to stop joint transmission, and UE1 and UE2 stop joint transmission when receiving the first information.

(2) UE1 acquires first information, and the first information instructs UE1 to stop joint transmission. After UE1 receives the first indication, UE1 may instruct UE2 to stop joint transmission.

Optionally, the first information may also include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

Optionally, the first information may be carried in the HO CMD.

Optionally, the manner in which UE1 may instruct UE2 to stop the joint transmission includes:

(1) UE1 sends second information to UE2, and the second information instructs UE2 to stop common transmission.

Further, after UE2 may stop the common transmission, UE2 confirms to UE1 to stop the common transmission.

(2) UE1 sends third information to the network side device, and the third information instructs the network side device to stop sending data related to common transmission to UE2.

Further, the network side device may confirm to UE1 to stop sending data to UE2.

Optionally, the third information may also include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

In the case that UE1 and UE2 complete the HO procedure, UE1 and UE2 can resume common transmission.

Among them, the ways for UE1 and UE2 to resume common transmission include:

(1) The network side device sends fourth information to UE1 and UE2, where the fourth information instructs UE1 and UE2 to resume common transmission.

UE1 and UE2 resume common transmission after receiving the fourth information.

(2) The network side device sends fourth information to UE1, where the fourth information instructs UE1 to resume common transmission.

After receiving the fourth information, UE1 determines to resume common transmission of UE2.

Optionally, the fourth information may include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

Further, UE1's determination to resume common transmission may include:

(1) UE1 sends fifth information to UE2, where the fifth information instructs UE2 to resume common transmission.

Optionally, after resuming common transmission, UE2 may confirm resumption of common transmission to UE1.

(2) UE1 sends sixth information to the network side device, and the sixth information instructs the network side device to resume sending data related to common transmission to UE2.

Optionally, the network side device confirms to UE1 to resume sending data to UE2.

Optionally, the sixth information may include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

Solution 2: UE1 and UE2 may not stop the joint transmission, and continue the joint transmission after HO.

Referring to FIG. 5 , UE1 and UE2 perform RRC measurement to obtain a first measurement result and a second measurement result.

Optionally, measurement results may be exchanged between UE1 and UE2.

Optionally, UE1 reports eleventh information to the network side device, where the eleventh information includes: the first measurement result and/or the second measurement result, and further, the eleventh information may also include related information of UE2.

Optionally, the relevant information of UE2 may include one or more of the following:

(1) Identification information of UE2, for example, S-TMSI of UE2;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

When the HO condition is satisfied, the network side device can select a suitable target cell for UE1 and UE2 according to the measurement results reported by UE1 and UE2, and the network side device sends HO CMD to UE1 and UE2.

Optionally, HO CMD includes one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

(5) Reconfiguration information of UE2;

(6) Deactivate the data transmission related to the common transmission.

When UE1 and UE2 receive the HO CMD, UE1 and UE2 use the relevant reconfiguration information in the HO CMD to perform the HO process.

UE1 and UE2 complete the HO process.

After the HO procedure is completed, UE1 and UE2 can activate data transmission related to common transmission.

Among them, the manner of activating the data transmission related to the joint transmission of UE1 and UE2 includes:

(1) The network side device instructs UE1 and UE2 to activate data transmission related to common transmission.

(2) UE1 and UE2 independently activate joint transmission.

UE1 and UE2 may feed back to the network side device that data transmission related to common transmission has been activated.

Scenario 2: UE1 maintains an RRC connection with the network and is responsible for performing HO, and UE2 only maintains a data link with the network for transmission.

It should be noted that Scenario 1 may include the following two solutions:

(1) Stop UE common transmission between UEs, reconfigure and start common transmission after HO;

(2) It is not necessary to stop UE joint transmission between UEs, and continue joint transmission before and after HO.

Solution 1: Stop joint transmission between UE1 and UE2, reconfigure and start joint transmission after HO.

Referring to FIG. 6 , UE1 performs RRC measurement and obtains a first measurement result.

UE1 reports eleventh information to the network side device, where the eleventh information may include: the first measurement result, and further, the eleventh information may also include related information of UE2.

Optionally, the relevant information of UE2 may include one or more of the following:

(1) Identification information of UE2, for example, S-TMSI of UE2;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

When the HO condition is satisfied, the network side device sends the HO CMD to UE1.

In case UE1 receives the HO CMD, UE1 and UE2 stop the joint transmission.

Optionally, the way to stop common transmission may include:

UE1 acquires first information, the first information instructs UE1 to stop joint transmission, and after UE1 receives the first indication, UE1 may instruct UE2 to stop joint transmission.

Optionally, the first information may also include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

Optionally, the first information may be carried in the HO CMD.

Optionally, the manner in which UE1 may instruct UE2 to stop the joint transmission includes:

(1) UE1 sends second information to UE2, and the second information instructs UE2 to stop common transmission.

Further, after UE2 may stop the common transmission, UE2 confirms to UE1 to stop the common transmission.

(2) UE1 sends third information to the network side device, and the third information instructs the network side device to stop sending data related to common transmission to UE2.

Further, the network side device may confirm to UE1 to stop sending data to UE2.

Optionally, the third information may also include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

When UE1 completes the HO procedure, UE1 and UE2 can resume common transmission.

Among them, the ways for UE1 and UE2 to resume common transmission include:

The network side device sends fourth information to UE1, where the fourth information instructs UE1 to resume common transmission.

After receiving the fourth information, UE1 determines to resume common transmission of UE2.

Optionally, the fourth information may include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

Further, UE1's determination to resume common transmission may include:

(1) UE1 sends fifth information to UE2, where the fifth information instructs UE2 to resume common transmission.

Optionally, after resuming common transmission, UE2 may confirm resumption of common transmission to UE1.

(2) UE1 sends sixth information to the network side device, and the sixth information instructs the network side device to resume sending data related to common transmission to UE2.

Optionally, the network side device confirms to UE1 to resume sending data to UE2.

Optionally, the sixth information may include one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

Solution 2: UE1 and UE2 may not stop the joint transmission.

Referring to FIG. 7 , UE1 performs RRC measurement and obtains a first measurement result.

Optionally, UE1 reports eleventh information to the network side device, where the eleventh information includes: the first measurement result and/or the second measurement result, and further, the eleventh information may also include related information of UE2.

Optionally, the relevant information of UE2 may include one or more of the following:

(1) Identification information of UE2, for example, S-TMSI of UE2;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

When the HO condition is satisfied, the network side device sends the HO CMD to UE1.

Optionally, HO CMD includes one or more of the following:

(1) Identification information of UE2, such as S-TMSI;

(2) Authorization/authentication information of UE2;

(3) Capability information of UE2;

(4) Other auxiliary information of UE2, such as power saving requirements, transmission requirements, etc.

(5) Reconfiguration information of UE2;

(6) Deactivate the data transmission related to the common transmission.

When UE1 receives the HO CMD, UE1 may forward the HO CMD to UE2. UE1 and UE2 use the relevant reconfiguration information in the HO CMD.

UE1 completes the HO process.

After the HO is completed, UE1 and UE2 can activate data transmission related to common transmission.

The manner of activating the data transmission related to the joint transmission of UE1 and UE2 includes:

(1) The network side device sends eighth information to UE1, the eighth information instructs UE1 to activate data transmission related to common transmission, UE1 sends ninth information to UE2, and the ninth information instructs UE2 to activate data transmission related to common transmission.

(2) UE1 and UE2 independently activate joint transmission.

UE1 and UE2 can feed back to the network side device that data transmission related to common transmission has been activated

Referring to FIG. 8 , an embodiment of the present application provides a switching device. The device 800 is applied to the first device, and the device 800 includes:

The first receiving module 801: configured to receive a switching command from a network side device, the switching command instructs the first device and one or more second devices to uniformly execute a switching process, or the switching command instructs the first device Execute the switching process;

An execution module 802, configured to execute a switching process according to the switching command;

Wherein, the first device and the one or more second devices jointly transmit the first service.

It should be noted that, the first device may also be called UE1, master UE (master UE), the second device may also be called UE2, secondary UE (secondary UE), or the first device may also be called secondary UE, and the second A device may also be referred to as a master UE.

In an implementation manner of the present application, when the switching command instructs the first device and one or more second devices to uniformly execute the switching process, the first device and the one or more second devices The second device maintains the RRC connection with the network side device.

In an embodiment of the present application, when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network side device, and the one or more The second device maintains a data transmission link with the network side device.

In an embodiment of the present application, the device 800 further includes: a reporting module;

The execution module 802 is further configured to perform measurement to obtain a first measurement result;

a reporting module, configured to report eleventh information to the network side device, where the eleventh information includes: a first measurement result, or the eleventh information includes the first measurement result and the second measurement result, The second measurement result is obtained by the second device performing the measurement, and is obtained by the first device through interaction with the second device.

In the embodiment of the present application, one or more of the following items may be exchanged between the first device and the second device: measurement results and handover related information.

In an implementation manner of the present application, the eleventh information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In an embodiment of the present application, the device 800 further includes: an acquisition module;

an acquisition module, configured to acquire the first information;

The executing module 802 is further configured to stop transmitting the first service according to the first information;

Wherein, the first information instructs the first device and one or more second devices to stop transmitting the first service, or the first information instructs the first device to stop transmitting the first service.

In an embodiment of the present application, the device 800 further includes: a first sending module;

The first sending module is configured to send second information to the second device, where the second information instructs the second device to stop transmitting the first service;

or,

The first sending module is configured to send third information to the network side device, where the third information instructs the network side device to stop sending data related to the first service to the second device.

In one embodiment of the present application, the third information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In an implementation manner of the present application, the apparatus 800 further includes: a recovery module, configured to resume transmission of the first service.

In one embodiment of the present application, the recovery module is further used for:

Receive fourth information from the network side device, where the fourth information instructs the first device and one or more second devices to resume transmission of the first service, or the fourth information instructs the first device to resume Transmitting the first service; resuming transmission of the first service according to the fourth information.

In an embodiment of the present application, the device 800 further includes: a second sending module, configured to:

sending fifth information to the second device, where the fifth information instructs the second device to resume transmission of the first service;

or,

sending sixth information to the network side device, where the sixth information instructs the network side device to resume sending data related to the first service to the second device.

In one embodiment of the present application, the sixth information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In an implementation manner of the present application, the apparatus 800 further includes: an activation module, configured to activate transmission of the first service.

In one embodiment of the present application, the activation module is further used for one of the following:

(1) receiving seventh information from a network side device, where the seventh information instructs the first device and one or more second devices to activate the transmission of the first service;

(2) receiving eighth information from the network side device, the eighth information instructing the first device to activate the transmission of the first service; sending ninth information to the one or more second devices, the first Nine information instructing the second device to activate the transmission of the first service;

(3) The transmission of the first service is activated autonomously.

In one embodiment of the present application, the switching command further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, etc.;

(5) reconfiguration information of the second device;

(6) Tenth information, where the tenth information indicates to deactivate the transmission of the first service.

The device provided by the embodiment of the present application can realize each process realized by the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.

Referring to FIG. 9 , an embodiment of the present application provides a switching device. The device 900 is applied to a network side device. The device 900 includes:

The third sending module 901 is configured to send a switching command to the first device, where the switching command instructs the first device and one or more second devices to uniformly execute a switching process, or the switching command instructs the first device Execute the switching process;

Wherein, the first device and the one or more second devices jointly transmit the first service.

In an implementation manner of the present application, when the switching command instructs the first device and one or more second devices to uniformly execute the switching process, the first device and the one or more second devices The second device maintains the RRC connection with the network side device.

In an embodiment of the present application, when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network side device, and the one or more The second device maintains a data transmission link with the network side device.

In one embodiment of the present application, the device 900 further includes:

The second receiving module is configured to receive the eleventh information reported by the first device, the eleventh information includes: a first measurement result, or the eleventh information includes a first measurement result and a second measurement result , the first measurement result is obtained by performing measurement by the first device, and the second measurement result is obtained by performing measurement by the second device.

In an implementation manner of the present application, the eleventh information further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, and the like.

In one embodiment of the present application, the switching command further includes one or more of the following:

(1) The identification information of the second device, for example, the S-TMSI of the second device;

(2) Authorization or authentication information of the second device;

(3) capability information of the second device;

(4) Other auxiliary information of the second device, such as power saving requirements, transmission requirements, etc.;

(5) reconfiguration information of the second device;

(6) Tenth information, the tenth information indicates deactivation of the transmission of the first service

The device provided by the embodiment of the present application can implement the various processes implemented by the method embodiment shown in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.

The embodiment of the present application also provides a terminal, including a processor and a communication interface, the processor is used to receive a switching command from a network side device, and the switching command instructs the first device and one or more second devices to uniformly execute the switching process , or the switching command instructs the first device to execute a switching process; the processor is configured to execute the switching process according to the switching command. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.

Specifically, FIG. 10 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application. The terminal 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, and a display unit. 1006, at least some components in the user input unit 1007, the interface unit 1008, the memory 1009, and the processor 1010.

Those skilled in the art can understand that the terminal 1000 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 1010 through the 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. 10 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain 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 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. Camera) to process the image data of still pictures or videos. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes a touch panel 10071 and other input devices 10072 . The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.

In the embodiment of the present application, the radio frequency unit 1001 receives the downlink data from the network side device, and processes it to the processor 1010; in addition, sends the uplink data to the network side device. Generally, the radio frequency unit 1001 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.

The memory 1009 can be used to store software programs or instructions as well as various data. The memory 1009 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, at least one application program or instruction required by a function (such as a sound playback function, an image playback function, etc.) and the like. In addition, the memory 1009 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 (Erasable PROM, 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 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 1010 .

In one embodiment of the present application, the radio frequency unit 1001 receives a switching command from a network side device, and the switching command instructs the first device and one or more second devices to perform a unified switching process, or the switching command indicates The first device executes a switching process, and the processor 1010 executes the switching process according to the switching command.

In an embodiment of the present application, the processor 1010 performs measurement to obtain a first measurement result, and the radio frequency unit 1001 reports eleventh information to the network side device, and the eleventh information includes: the first measurement result, Or the eleventh information includes the first measurement result and the second measurement result, the second measurement result is obtained by the second device performing measurement, and the first device interacts with the second device acquired.

In one embodiment of the present application, the processor 1010 obtains first information; stops transmitting the first service according to the first information; wherein, the first information indicates that the first device and one or more The second device stops transmitting the first service, or the first information instructs the first device to stop transmitting the first service.

In an implementation manner of the present application, the radio frequency unit 1001 sends second information to the second device, and the second information instructs the second device to stop transmitting the first service; or, the radio frequency unit 1001 sends the second information to the The network-side device sends third information, where the third information instructs the network-side device to stop sending data related to the first service to the second device.

In an implementation manner of the present application, the processor 1010 resumes transmitting the first service.

In an embodiment of the present application, the radio frequency unit 1001 receives fourth information from the network side device, where the fourth information instructs the first device and one or more second devices to resume transmission of the first service, or , the fourth information instructs the first device to resume transmission of the first service; the processor 1010 resumes transmission of the first service according to the fourth information.

In one embodiment of the present application, the radio frequency unit 1001 sends fifth information to the second device, and the fifth information instructs the second device to resume transmitting the first service; or, the radio frequency unit 1001 sends the fifth information to the second device; The network-side device sends sixth information, where the sixth information instructs the network-side device to resume sending data related to the first service to the second device.

In an implementation manner of the present application, the processor 1010 activates transmission of the first service.

In an implementation manner of the present application, the radio frequency unit 1001 receives seventh information from a network side device, where the seventh information instructs the first device and one or more second devices to activate the transmission of the first service; Alternatively, the radio frequency unit 1001 receives eighth information from the network side device, the eighth information instructing the first device to activate the transmission of the first service; the radio frequency unit 1001 sends the ninth information to the one or more second devices information, the ninth information instructs the second device to activate the transmission of the first service; or, the processor 1010 activates the transmission of the first service autonomously.

The terminal provided by the embodiment of the present application can realize each process realized by the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.

The embodiment of the present application also provides a network side device, including a processor and a communication interface, the communication interface is used to send a switching command to the first device, and the switching command indicates that the first device and one or more second devices The handover procedure is executed uniformly, or the handover command instructs the first device to execute the handover procedure. The network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.

Specifically, the embodiment of the present application also provides a network side device. As shown in FIG. 11 , the network side device 1100 includes: an antenna 1101 , a radio frequency device 1102 , and a baseband device 1103 . The antenna 1101 is connected to the radio frequency device 1102 . In the uplink direction, the radio frequency device 1102 receives information through the antenna 1101, and sends the received information to the baseband device 1103 for processing. In the downlink direction, the baseband device 1103 processes the information to be sent and sends it to the radio frequency device 1102 , and the radio frequency device 1102 processes the received information and sends it out through the antenna 11101 .

The foregoing frequency band processing device may be located in the baseband device 1103 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 1103 , and the baseband device 1103 includes a processor 1104 and a memory 1105 .

The baseband device 1103 may include, for example, at least one baseband board, and the baseband board is provided with a plurality of chips, as shown in FIG. The network device operations shown in the above method embodiments.

The baseband device 1103 may further include a network interface 1106 for exchanging information with the radio frequency device 1102, such as a common public radio interface (common public radio interface, CPRI for short).

Specifically, the network side device in this embodiment of the present application further includes: instructions or programs stored in the memory 1105 and executable on the processor 1104 .

In this embodiment of the application, the network interface 1106 sends a switching command to the first device, and the switching command instructs the first device and one or more second devices to uniformly execute the switching process, or the switching command instructs the first device to A device executes a switching process.

In this embodiment of the present application, the eleventh information reported by the first device is received, the eleventh information includes: a first measurement result, or the eleventh information includes a first measurement result and a second measurement result , the first measurement result is obtained by performing measurement by the first device, and the second measurement result is obtained by performing measurement by the second device.

It should be noted that the processor 1104 invokes instructions or programs in the memory 1105 to execute the methods executed by the modules shown in FIG. 9 and achieve the same technical effect. To avoid repetition, details are not repeated here.

The embodiment of the present application also provides a computer program/program product, the computer program/program product is stored in a non-volatile storage medium, and the computer program/program product is executed by at least one processor to realize the Or the steps of the processing method described in FIG. 3 .

The embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by the processor, each process of the method embodiment shown in FIG. 2 or FIG. 3 above is implemented. , and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiments. 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.

The embodiment of the present application also provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above described in Figure 2 or Figure 3 Each process of the method embodiment is shown, and the same technical effect can be achieved, so in order to avoid repetition, details are not repeated here.

It should be understood that the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, 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 certain examples may be combined in other examples.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , 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 implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims (29)

1. A method of handover, comprising:

the method comprises the steps that a first device receives a switching command from a network side device, wherein the switching command instructs the first device and one or more second devices to uniformly execute a switching process, or the switching command instructs the first device to execute the switching process;

the first equipment executes a switching process according to the switching command;

wherein the first device and the one or more second devices jointly transmit a first service.

2. The method of claim 1, wherein in a case that the handover command indicates that the first device and one or more second devices collectively perform a handover procedure, the first device and the one or more second devices maintain a Radio Resource Control (RRC) connection with the network-side device.

3. The method of claim 1, wherein in a case that the handover command instructs the first device to perform the handover procedure, the first device maintains an RRC connection with the network-side device, and the one or more second devices maintain data transmission links with the network-side device.

4. The method according to claim 2 or 3, wherein before the first device receives the handover command from the network-side device, the method further comprises:

the first equipment executes measurement to obtain a first measurement result;

the first device reports eleventh information to the network side device, where the eleventh information includes: the first measurement result or the eleventh information includes the first measurement result and a second measurement result, where the second measurement result is obtained by the second device performing measurement and is obtained by the first device through interaction with the second device.

5. The method of claim 4, wherein the eleventh information further comprises one or more of:

identification information of the second device;

authorization or authentication information of the second device;

capability information of the second device;

other auxiliary information of the second device.

6. The method according to claim 2 or 3, wherein after the first device receives a handover command from a network side device, the method further comprises:

the first equipment acquires first information;

the first equipment stops transmitting the first service according to the first information;

wherein the first information indicates that the first device and one or more second devices stop transmitting the first service, or the first information indicates that the first device stops transmitting the first service.

7. The method of claim 6, wherein in case that the first information indicates that the first device stops transmitting the first traffic, the method further comprises:

the first equipment sends second information to the second equipment, and the second information indicates the second equipment to stop transmitting the first service;

or,

and the first equipment sends third information to the network side equipment, wherein the third information indicates the network side equipment to stop sending the data related to the first service to the second equipment.

8. The method of claim 6, wherein after the first device completes the handover procedure according to the handover command, the method further comprises:

and the first equipment resumes transmitting the first service.

9. The method of claim 8, wherein resuming transmission of the first traffic by the first device comprises:

the first device receives fourth information from a network side device, where the fourth information indicates that the first device and one or more second devices resume transmitting the first service, or the fourth information indicates that the first device resumes transmitting the first service;

and the first equipment recovers and transmits the first service according to the fourth information.

10. The method of claim 9, wherein in case that the fourth information indicates that the first device resumes transmission of the first traffic, the method further comprises:

the first device sends fifth information to the second device, wherein the fifth information indicates the second device to recover to transmit the first service;

or,

and the first equipment sends sixth information to the network side equipment, wherein the sixth information indicates the network side equipment to restore to send the data related to the first service to the second equipment.

11. The method according to claim 2 or 3, wherein after the first device completes the handover procedure according to the handover command, the method further comprises:

the first device activates transmission of the first service.

12. The method of claim 11, wherein the first device activates transmission of the first service, comprising:

the first device receives seventh information from a network side device, wherein the seventh information indicates that the first device and one or more second devices activate transmission of the first service;

or,

the first device receives eighth information from a network side device, where the eighth information indicates that the first device activates transmission of the first service;

the first device sends ninth information to the one or more second devices, wherein the ninth information indicates that the second devices activate transmission of the first service;

or,

the first device autonomously activates transmission of the first service.

13. The method of claim 1, wherein the handover command further comprises one or more of:

identification information of the second device;

authorization or authentication information of the second device;

capability information of the second device;

other auxiliary information of the second device;

reconfiguration information of the second device;

tenth information indicating that transmission of the first service is deactivated.

14. A method of handover, comprising:

the method comprises the steps that network side equipment sends a switching command to first equipment, wherein the switching command instructs the first equipment and one or more second equipment to uniformly execute a switching process, or the switching command instructs the first equipment to execute the switching process;

wherein the first device and the one or more second devices jointly transmit a first service.

15. The method of claim 14, wherein in a case that the handover command indicates the first device and one or more second devices to perform handover procedures collectively, the first device and the one or more second devices maintain RRC connection with the network-side device.

16. The method of claim 14, wherein in a case that the handover command instructs the first device to perform the handover procedure, the first device maintains an RRC connection with the network-side device, and the one or more second devices maintain data transmission links with the network-side device.

17. The method according to claim 15 or 16, wherein before the network-side device sends the handover command to the first device, the method further comprises:

the network side device receives eleventh information reported by the first device, where the eleventh information includes: the first measurement result or the eleventh information includes a first measurement result and a second measurement result, the first measurement result is obtained by the first device performing measurement, and the second measurement result is obtained by the second device performing measurement.

18. The method of claim 17, wherein the eleventh information further comprises one or more of:

identification information of the second device;

authorization or authentication information of the second device;

capability information of the second device;

other auxiliary information of the second device.

19. The method of claim 14, wherein the handover command further comprises one or more of:

identification information of the second device;

authorization or authentication information of the second device;

capability information of the second device;

other auxiliary information of the second device;

reconfiguration information of the second device;

tenth information indicating that transmission of the first service is deactivated.

20. A switching device, comprising:

a first receiving module: the method comprises the steps of receiving a switching command from a network side device, wherein the switching command instructs a first device and one or more second devices to uniformly execute a switching process, or the switching command instructs the first device to execute the switching process;

the execution module is used for executing the switching process according to the switching command;

wherein the first device and the one or more second devices jointly transmit a first service.

21. The apparatus of claim 20, further comprising: a reporting module;

the execution module is further used for executing measurement to obtain a first measurement result;

the reporting module is configured to report eleventh information to the network side device, where the eleventh information includes: the first measurement result or the eleventh information includes the first measurement result and a second measurement result, where the second measurement result is obtained by the second device performing measurement and is obtained by the first device through interaction with the second device.

22. The apparatus of claim 20, further comprising: an acquisition module;

the acquisition module is used for acquiring first information;

the execution module is further configured to stop transmitting the first service according to the first information;

the first information indicates the first device and one or more second devices to stop transmitting the first service, or the first information indicates the first device to stop transmitting the first service.

23. The apparatus of claim 20, further comprising: a first sending module;

the first sending module is configured to send second information to the second device, where the second information indicates that the second device stops transmitting the first service;

or,

the first sending module is configured to send third information to the network side device, where the third information indicates that the network side device stops sending data related to the first service to the second device.

24. The apparatus of claim 20, further comprising: a second sending module, configured to: sending fifth information to the second device, wherein the fifth information indicates the second device to resume transmitting the first service; or sending sixth information to the network side device, where the sixth information indicates that the network side device resumes sending data related to the first service to the second device.

25. A switching device, comprising:

a third sending module, configured to send a handover command to a first device, where the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner, or instructs the first device to perform the handover procedure;

wherein the first device and the one or more second devices jointly transmit a first service.

26. The apparatus of claim 25, further comprising:

a second receiving module, configured to receive eleventh information reported by the first device, where the eleventh information includes: the first measurement result or the eleventh information includes a first measurement result and a second measurement result, the first measurement result is obtained by the first device performing measurement, and the second measurement result is obtained by the second device performing measurement.

27. A terminal, comprising: processor, memory and program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method according to any one of claims 1 to 13.

28. A network-side device, comprising: processor, memory and program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method according to any one of claims 14 to 19.

29. A readable storage medium, characterized in that it stores thereon a program or instructions which, when executed by a processor, implement the steps of the method according to any one of claims 1 to 19.

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