CN115278791A

CN115278791A - Switching method, device, equipment and readable storage medium

Info

Publication number: CN115278791A
Application number: CN202110485631.7A
Authority: CN
Inventors: 金巴·迪·阿达姆·布巴卡; 杨晓东
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-11-01
Also published as: WO2022228437A1

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 field of communications technologies, and in particular, to a Handover (HO) method, apparatus, device, and readable storage medium.

Background

In the prior art, a terminal (e.g., a User Equipment (UE)) establishes a control plane connection and a User plane connection with a core network, for example, a Protocol Data Unit (PDU) session (session), and when the UE moves among different cells, different base stations, or even different core network nodes, a network side transmits the control plane connection, the User plane connection, and a transmission state of the UE among different network nodes, so as to ensure that service transmission of the UE can be continuous, uninterrupted, and achieve lossless requirements according to requirements.

When two UEs (such as UE1 and UE 2) perform Data transmission, since a Control plane connection and a user plane connection of their own core network/Access network are respectively established, for example, a Non-Access-Stratum (NAS) connection (core network Control plane), a Radio Resource Control (RRC) connection (Access network Control plane), a PDU session (core network user plane), a Data Radio Bearer (DRB)/Quality of Service (Quality of Service) flow (flow) (Access network user plane) are independent from each other for the two UEs.

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

Disclosure of Invention

Embodiments of the present application provide a handover method, apparatus, device and readable storage medium, which can solve a problem how to execute an HO procedure when two or more devices perform service common transmission.

In a first aspect, a handover method is provided, including:

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.

In a second aspect, a handover method is provided, including:

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;

In a third aspect, a switching device is provided, which includes:

a first receiving module: the method comprises the steps of receiving 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 instructs the first device to execute the switching process;

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

In a fourth aspect, there is provided 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;

In a fifth aspect, a terminal is provided, which includes: a processor, a memory and a program stored on the memory and executable on the processor, which program, when executed by the processor, carries out the steps of the method according to the first aspect.

In a sixth aspect, a terminal is provided, comprising a processor and a communication interface, wherein the processor is configured to implement the steps of the method according to the first aspect when executed.

In a seventh aspect, a network-side device is provided, including: a processor, a memory and a program stored on the memory and executable on the processor, which program, when executed by the processor, carries out the steps of the method according to the second aspect.

In an eighth aspect, a network side device is provided, which includes a processor and a communication interface, wherein the processor is configured to implement the steps of the method according to the second aspect when executed.

A ninth aspect provides a readable storage medium on which is stored a program or instructions which, when executed by a processor, carries out the steps of the method of the first or second aspect.

A tenth aspect provides a computer program/program product stored on a non-volatile storage medium for execution by at least one processor to implement the steps of the method of processing as described in the first or second aspect.

In an eleventh aspect, there is provided a chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute a program or instructions to implement the method of processing according to the first or second aspect.

In the embodiment of the application, when two or more devices perform service common transmission, the network side may instruct the multiple devices to perform handover uniformly, or instruct the devices that generate RLF to perform handover, so as to avoid interruption of the service that is transmitted by the multiple devices together, and ensure reliability of data transmission and user experience.

Drawings

Fig. 1 is a schematic diagram of a wireless communication system to which embodiments of the present application are applicable;

fig. 2 is a flowchart of a handover method according to an embodiment of the present application;

fig. 3 is a second flowchart of a handover method according to an embodiment of the present application;

fig. 4 is a third flowchart of a handover method according to an embodiment of the present application;

fig. 5 is a fourth flowchart of a handover method according to an embodiment of the present application;

fig. 6 is a fifth flowchart of a handover method according to an embodiment of the present application;

fig. 7 is a sixth flowchart of a handover method according to an embodiment of the present application;

fig. 8 is a schematic diagram of a switching device according to an embodiment of the present application;

fig. 9 is a second schematic diagram of a switching device according to an 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 Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived from the embodiments given herein by a person of ordinary skill in the art are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. 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 other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally used herein in a generic sense to distinguish one element from another, and not necessarily from another element, such as a first element which may be one or more than one. In the specification and claims, "and" represents at least one of connected objects, and a character "/" generally indicates that a preceding and succeeding related object is in an "or" relationship.

It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-a) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), 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, andthe techniques described may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, but the techniques may also be applied to applications other than NR system applications, such as generation 6 (6)^thGeneration, 6G) communication system.

Referring to fig. 1, a block diagram of a wireless communication system to which embodiments of the present application are applicable is shown. The wireless communication system includes a terminal 11 and a network side device 12. Wherein, the terminal 11 may also be called as a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, the Wearable Device includes: smart watches, bracelets, earphones, glasses, and the like. It should be noted that, in the embodiment of the present application, the specific type of the terminal 11 and the number of the terminals 11 are not limited, for example, the number may be 2, 3, 4, or more than 4.

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 (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receive Point (TRP), a wireless access network node, or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment 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, which includes: step 201 and step 202.

Step 201: a first device receives a Handover Command (HO CMD) from a network side device, where the Handover Command indicates that the first device and one or more second devices collectively execute a Handover procedure, or the Handover Command indicates that the first device executes the Handover procedure;

for example, the first device is a device that generates RLF.

Step 202: the first equipment executes a switching process according to the switching command;

the first device and the one or more second devices transmit the first service together, for example, the first service may be a streaming service, and the same video is played on the first device and the one or more second devices, which is not limited to this.

In the embodiment of the application, the first device and the one or more second devices can both receive the handover command, so that the first device and the one or more second devices can uniformly execute the handover command according to the handover command; or, the network side device only sends the switching command to the first device, where the switching command instructs the first device to execute the switching command, and the first device may forward the switching command to the second device after receiving the switching command, where the switching command instructs the second device to execute the switching process.

The first device may also be referred to as a primary device (e.g., a master UE), the second device may also be referred to as a secondary device (e.g., a secondary UE), or the first device may also be referred to as a secondary device and the second device may also be referred to as a primary device.

In an embodiment of the application, 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, see scenario 1 introduced below.

In an embodiment of the present application, in a case that 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 second devices maintain data transmission links with the network-side device, see scenario 2 introduced below.

In an embodiment of the present application, before the first device receives the handover command from the network-side device, the method further includes:

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.

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

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

(1) Identification information of the second device, for example, a 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, etc.

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

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.

In an embodiment of the application, in a case that the first information indicates that the first device stops transmitting the first service, the method further includes:

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

alternatively, the first and second electrodes may be,

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.

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

(1) Identification information of the second device, e.g., S-TMSI of the second device;

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

(3) Capability information of the second device;

In an embodiment of the application, after the first device completes the handover procedure according to the handover command, the method further includes:

and the first equipment resumes transmitting the first service.

For example, the first device and the second device recover to receive the first service from the network side device, or the first device recovers to receive the first service from the network side device, and the first device determines to recover the second device to receive the first service from the network side device.

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

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.

In an embodiment of the application, in a case that the fourth information indicates that the first device resumes transmission of the first service, the method further includes:

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;

alternatively, the first and second electrodes may be,

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.

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

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

(3) Capability information of the second device;

In an embodiment of the present application, after the first device completes the handover procedure according to the handover command, the method further includes:

the first device activates transmission of the first service.

In an embodiment of the present application, the activating, by the first device, transmission of the first service includes one of:

(1) 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;

(2) 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;

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

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

(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 RRC reconnection with the network side device;

(6) Tenth information indicating that transmission of the first service is deactivated.

It can be understood that, since the handover command may include the related information of the second device, after receiving the handover command, the first device may forward the handover command to the second device based on the related information of the second device, so that even if the network-side device does not directly send the handover command to the second device, the second device may obtain the handover command through the first device, and further, the second device may execute the handover procedure.

Taking the first device as the UE, the second device as the smart watch, and the first service as the streaming media service as an example, when the UE and the smart watch jointly transmit the streaming media service, if the smart watch generates the UE, the UE may receive a switching command from the network side device, where the switching command instructs the UE or instructs the UE and the smart watch to jointly execute a switching procedure, so as to avoid that the streaming media service jointly transmitted by the UE and the smart watch is interrupted or user experience is influenced.

In the embodiment of the present application, when two or more devices perform service common transmission, the network side may instruct the multiple devices to perform handover in a unified manner, or instruct the devices that have RLF to perform handover, so as to avoid interruption of the service that is transmitted by multiple devices in a common manner, and ensure reliability of data transmission and user experience.

Referring to fig. 3, an embodiment of the present application provides a handover method, which includes: step 301.

Step 301: 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;

For example, the first device is a device that generates RLF.

In an embodiment of the application, in a case that the handover command instructs the first device and one or more second devices to collectively perform a handover procedure, the first device and the one or more second devices maintain an RRC connection with the network-side device.

In an embodiment of the application, in a case that 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 second devices maintain data transmission links with the network-side device.

the first device receives, to the network side device, 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.

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

(3) Capability information of the second device;

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

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

(3) Capability information of the second device;

(5) Reconfiguration information of the second device;

The following describes an embodiment of the present application with reference to scenario 1 and scenario 2, and it should be noted that, in scenario 1 and scenario 2, two UEs are taken as an example for description, and the number of UEs that transmit the first service together is not limited in the embodiment of the present application, that is, two UEs, three UEs, four UEs, and the like may be used.

The two UEs include UE1 and UE2, where UE1 may also be referred to as a master UE (master UE) and UE2 may also be referred to as a secondary UE (secondary UE).

Scene 1: UE1 and UE2 both maintain RRC connection with the network and independently perform HO.

It should be noted that scenario 1 may include the following two schemes:

(1) UE common transmission is stopped among the UEs, and the UE common transmission is reconfigured and started after HO;

(2) UE common transmission can be continued before and after HO without stopping UE common transmission between UEs.

Scheme 1: the common transmission between UE1 and UE2 is stopped, and after HO the common transmission is reconfigured and started.

Referring to fig. 4, both UE1 and UE2 perform RRC measurements, resulting in a first measurement result and a second measurement result, respectively.

Alternatively, the measurement results may be exchanged between UE1 and UE2.

Optionally, the 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, and further, the eleventh information may further include information related to the UE2.

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

(1) Identification information of the UE2, for example, a Temporary Mobile Subscriber Identity (S-TMSI) of the UE 2;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

(4) Other assistance information for the UE2, such as power saving requirements, transmission requirements, etc.

Under the condition of meeting the HO condition, the network side device may select a suitable target cell for UE1 and UE2 according to the measurement results reported by UE1 and UE2, and issue a Handover Command (HO CMD) to UE1 and UE2.

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

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

(1) The UE1 acquires first information, the first information indicates the UE1 and the UE2 to stop the common transmission, and the UE1 and the UE2 stop the common transmission when receiving the first information.

(2) UE1 obtains first information indicating that UE1 stops the common transmission, and after UE1 receives the first indication, UE1 may indicate to stop the common transmission of UE2.

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

(1) Identification information of UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

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

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

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

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

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

Further, the network side device may confirm to UE1 that data transmission to UE2 is stopped.

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

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

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

The method for UE1 and UE2 to recover the common transmission includes:

(1) And the network side equipment sends fourth information to the UE1 and the UE2, and the fourth information indicates the UE1 and the UE2 to recover the common transmission.

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

(2) And the network side equipment sends fourth information to the UE1, and the fourth information indicates the UE1 to recover the common transmission.

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

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

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

Further, the UE1 determining to resume the common transmission may include:

(1) UE1 sends fifth information to UE2, the fifth information indicating that UE2 resumes the common transmission.

Alternatively, UE2 may acknowledge to UE1 to resume the common transmission after resuming the common transmission.

(2) And the UE1 sends sixth information to the network side equipment, and the sixth information indicates the network side equipment to recover sending the data related to the common transmission to the 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:

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

Scheme 2: UE1 and UE2 may not stop the common transmission and continue the common transmission after HO.

Referring to fig. 5, UE1 and UE2 perform RRC measurement, resulting in a first measurement result and a second measurement result.

Alternatively, the measurement results may be exchanged between UE1 and UE2.

Optionally, the 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 further include information related to the UE2.

(1) Identification information of UE2, e.g., S-TMSI of UE 2;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

(4) Other assistance information for UE2, such as power saving requirements, transmission requirements, etc.

Under the condition of meeting the HO condition, the network side equipment can select a proper target cell for the UE1 and the UE2 according to the measurement results reported by the UE1 and the UE2, and the network side equipment issues the HO CMD to the UE1 and the UE2.

Optionally, the HO CMD includes one or more of:

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

(5) Reconfiguration information of UE 2;

(6) The common transmission related data transmission is deactivated.

When UE1 and UE2 receive HO CMD, UE1 and UE2 perform HO procedure using relevant reconfiguration information in HO CMD.

UE1 and UE2 complete the HO procedure.

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

The method for activating the data transmission related to the common transmission of the UE1 and the UE2 includes:

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

(2) UE1 and UE2 autonomously activate a common transmission.

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

Scene 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.

It should be noted that scenario 1 may include the following two schemes:

Referring to fig. 6, the ue1 performs RRC measurement, resulting in a first measurement result.

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

(1) Identification information of UE2, e.g., S-TMSI of UE 2;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

And under the condition that the HO condition is met, the network side equipment issues the HO CMD to the UE 1.

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

Optionally, the manner of stopping the common transmission may include:

UE1 obtains first information indicating that UE1 stops the common transmission, and after UE1 receives the first indication, UE1 may indicate to stop the common transmission of UE2.

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

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

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

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

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

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

The method for UE1 and UE2 to recover the common transmission includes:

and the network side equipment sends fourth information to the UE1, and the fourth information indicates the UE1 to recover the common transmission.

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

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

Further, the UE1 determining to resume the common transmission may include:

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

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

Scheme 2: UE1 and UE2 may not stop the common transmission.

Referring to fig. 7, the ue1 performs RRC measurement, resulting in a first measurement result.

(1) Identification information of UE2, e.g., S-TMSI of UE 2;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

Optionally, the HO CMD includes one or more of:

(1) Identification information of the UE2, e.g., S-TMSI;

(2) Authorization/authentication information of UE 2;

(3) Capability information of UE 2;

(5) Reconfiguration information of UE 2;

(6) The common transmission related data transmission is deactivated.

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

UE1 completes the HO procedure.

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

The method for activating the data transmission related to the common transmission of the UE1 and the UE2 comprises the following steps:

(1) The network side device sends eighth information to the UE1, where the eighth information indicates that the UE1 activates data transmission related to common transmission, and the UE1 sends ninth information to the UE2, where the ninth information indicates that the UE2 activates data transmission related to common transmission.

(2) UE1 and UE2 autonomously activate a common transmission.

UE1 and UE2 can feed back to the network side equipment that the data transmission related to the common transmission is activated

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

the first receiving module 801: the method comprises the steps of receiving 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 instructs the first device to execute the switching process;

an executing module 802, configured to execute a handover procedure according to the handover command;

The first device may also be referred to as UE1 or master UE (master UE), and the second device may also be referred to as UE2 or secondary UE (secondary UE), or the first device may also be referred to as secondary UE and the second device may also be referred to as master UE.

In an embodiment of the application, 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 an RRC connection with the network side device.

In one embodiment of the present application, the apparatus 800 further comprises: 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: 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.

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

(3) Capability information of the second device;

In one embodiment of the present application, the apparatus 800 further comprises: an acquisition module;

the acquisition module is used for acquiring first information;

the execution module 802 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.

In one embodiment of the present application, the apparatus 800 further comprises: 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;

alternatively, the first and second electrodes may be,

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.

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

(3) Capability information of the second device;

In one embodiment of the present application, the apparatus 800 further comprises: and the recovery module is used for recovering the transmission of the first service.

In one embodiment of the present application, the recovery module is further configured to:

receiving 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 recovering and transmitting the first service according to the fourth information.

In one embodiment of the present application, the apparatus 800 further comprises: 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;

alternatively, the first and second electrodes may be,

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

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

(3) Capability information of the second device;

In one embodiment of the present application, the apparatus 800 further comprises: and the activation module is used for activating the transmission of the first service.

In one embodiment of the present application, the activation module is further configured to one of:

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

(2) Receiving eighth information from a network side device, where the eighth information indicates that the first device activates transmission of the first service; sending ninth information to the one or more second devices, the ninth information indicating that the second devices activate transmission of the first service;

(3) Autonomously activating transmission of the first service.

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

(3) Capability information of the second device;

(5) Reconfiguration information of the second device;

The device provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 2, and achieve the same technical effect, and for avoiding repetition, details are not described here again.

Referring to fig. 9, an embodiment of the present application provides a switching apparatus, where the apparatus 900 is applied to a network side device, and the apparatus 900 includes:

a third sending module 901, configured to send a handover command to a first device, where the handover command indicates that the first device and one or more second devices collectively execute a handover procedure, or indicates that the first device executes the handover procedure;

In an embodiment of the application, in a case that 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 second devices maintain data transmission links with the network side device.

In one embodiment of the present application, the apparatus 900 further comprises:

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.

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

(3) Capability information of the second device;

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

(3) Capability information of the second device;

(5) Reconfiguration information of the second device;

(6) Tenth information indicating deactivation of transmission of the first service

The device provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 3, and achieve the same technical effect, and for avoiding repetition, details are not described here again.

The embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to receive a handover command from a network-side 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 the handover command instructs the first device to perform the handover procedure; the processor is used for executing the switching process according to the switching command. The terminal embodiment corresponds to the terminal-side method embodiment, and all implementation processes and implementation manners of the method embodiment can be applied to the terminal embodiment and can achieve the same technical effect.

Specifically, fig. 10 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application, where 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, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, and the like.

Those skilled in the art will appreciate that terminal 1000 can also include a power supply (e.g., a battery) for powering the various components, which can be logically coupled to processor 1010 via a power management system to provide management of charging, discharging, and power consumption via the power management system. The terminal structure shown in fig. 10 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and thus will not be described again.

It should be understood that in the embodiment of the present application, the input Unit 1004 may include a Graphics Processing Unit (GPU) 10041 and a microphone 10042, and the Graphics Processing Unit 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. 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 referred to as 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, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

In this embodiment, after receiving downlink data from a network side device, the radio frequency unit 1001 processes the downlink data to the processor 1010; in addition, the uplink data is sent to the network side equipment. In general, 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 may be used to store software programs or instructions and 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, an application program or instruction (such as a sound playing function, an image playing function, and the like) required for at least one function, and the like. Further, the Memory 1009 may include a high-speed random access Memory and may also include a nonvolatile Memory, where the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable PROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

Processor 1010 may include one or more processing units; alternatively, processor 1010 may integrate an application processor that handles primarily the operating system, user interface, and application programs or instructions, and a modem processor that handles primarily wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1010.

In an embodiment of the present application, a radio frequency unit 1001 receives a handover command from a network side 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 the handover command instructs the first device to perform a handover procedure, and a processor 1010 executes a handover procedure according to the handover 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, 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.

In one embodiment of the present application, the processor 1010 obtains first information; stopping 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.

In an embodiment of the present application, the radio frequency unit 1001 sends second information to the second device, where the second information instructs the second device to stop transmitting the first service; or, the radio frequency unit 1001 sends 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.

In one embodiment of the present application, processor 1010 resumes transmission of the first traffic.

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

In an embodiment of the present application, a radio frequency unit 1001 sends fifth information to the second device, where the fifth information indicates that the second device resumes transmitting the first service; or, the radio frequency unit 1001 sends 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.

In one embodiment of the present application, processor 1010 activates transmission of the first service.

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

The terminal provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 2, and achieve the same technical effect, and for avoiding repetition, details are not described here again.

The embodiment of the present application further provides a network side device, which includes a processor and a communication interface, where the communication interface is 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 the handover command instructs the first device to perform the handover procedure. The embodiment of the network side device corresponds to the embodiment of the method of the network side device, and all implementation processes and implementation manners of the embodiment of the method can be applied to the embodiment of the network side device and can achieve the same technical effect.

Specifically, the embodiment of the application further provides a network side device. As shown in fig. 11, the network-side device 1100 includes: antenna 1101, radio frequency device 1102, baseband device 1103. An antenna 1101 is connected to the radio frequency device 1102. In the uplink direction, the rf device 1102 receives information via the antenna 1101, and sends the received information to the baseband device 1103 for processing. In the downlink direction, the baseband device 1103 processes information to be transmitted and transmits the processed information to the rf device 1102, and the rf device 1102 processes the received information and transmits the processed information through the antenna 11101.

The above-mentioned band processing means may be located in the baseband apparatus 1103, and the method performed by the network side device in the above embodiment may be implemented in the baseband apparatus 1103, where the baseband apparatus 1103 includes a processor 1104 and a memory 1105.

The baseband apparatus 1103 may include at least one baseband board, for example, and a plurality of chips are disposed on the baseband board, as shown in fig. 11, where one chip, for example, the processor 1104, is connected to the memory 1105 and calls the program in the memory 1105 to perform the network device operations shown in the above method embodiments.

The baseband apparatus 1103 may further include a network interface 1106, such as a Common Public Radio Interface (CPRI), for exchanging information with the rf apparatus 1102.

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

In this embodiment, the network interface 1106 sends a handover command to the first device, where the handover command instructs the first device and one or more second devices to collectively perform a handover procedure, or the handover command instructs the first device to perform a handover procedure.

In this embodiment of the present application, eleventh information reported by the first device is received, 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.

It should be noted that the processor 1104 invokes the instructions or programs in the memory 1105 to execute the method executed by each module shown in fig. 9, and achieves the same technical effect, and therefore, the description is omitted here for avoiding repetition.

Embodiments of the present application also provide a computer program/program product stored in a non-volatile storage medium, which is executed by at least one processor to implement the steps of the method of processing as described in fig. 2 or fig. 3.

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 the instruction is executed by a processor, the program or the instruction implements each process of the method embodiment shown in fig. 2 or fig. 3, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.

The 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 execute a program or an instruction to implement each process of the method embodiment shown in fig. 2 or fig. 3, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

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

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.

Claims

1. A method of handover, comprising:

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;

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;

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:

alternatively, the first and second electrodes may be,

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:

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:

alternatively, the first and second electrodes may be,

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;

alternatively, the first and second electrodes may be,

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;

alternatively, the first and second electrodes may be,

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:

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;

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;

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;

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

alternatively, the first and second electrodes may be,

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:

26. The apparatus of claim 25, further comprising:

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.