CN108605258A

CN108605258A - A kind of motion management method, base station and wearable device

Info

Publication number: CN108605258A
Application number: CN201680080724.9A
Authority: CN
Inventors: 杨皓睿; 何岳; 金辉
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2016-11-30
Filing date: 2016-11-30
Publication date: 2018-09-28
Anticipated expiration: 2036-11-30
Also published as: CN108605258B; WO2018098708A1

Abstract

The problem of the embodiment of the invention discloses a kind of motion management method, base station and wearable devices, are related to the communications field, and the electric quantity consumption for solving WD is serious, and the processing load of network side aggravates.Concrete scheme is：Source base station receives the measurement report that WD is sent, and thresholding is measured less than first in the signal quality for determining current persistent district that WD measurements obtain, and when determining that the signal quality of each neighboring community measures thresholding higher than third, determine that WD need to be switched over, determine that WD and UE need to be switched jointly also according to the signal quality instruction that the WD received is obtained, and first object cell is determined according to the mark of neighboring community, and it includes the first switching request that the first relaying indicates to send to first object corresponding with first object cell base station.During the embodiment of the present invention is used for mobile management.

Description

A kind of motion management method, base station and wearable device

Technical field

The present invention relates to the communications field more particularly to a kind of motion management methods, base station and wearable device.

Background technique

Wearable device (Wearable Device, WD) refers to the smart machine that using independent operating system, being worn by human body, realization persistently interacts.And with the saturation of smart phone industry market, WD, which is directly connected to network and is communicated with network, will become the trend of future development.But it is small in size due to WD, so that its battery is small, and can only use single-antenna technology, the efficiency of transmission this results in the stand-by time of WD is short, and when being communicated with network is lower.

In the prior art, to solve the above-mentioned problems, and in view of user equipment (User Equipment, UE) technology for being connected to network is mature, the user face of WD can be connected indirectly to network by UE, to carry out the interaction of upstream and downstream user face data with network.But in order to be multiplexed existing control flow to greatest extent, WD can continue using the interaction for being directly connected to carry out uplink and downlink signaling with network, and therefore, while WD is connected indirectly to network by UE, WD is also retained to be directly connected to network.Under such a scenario, since WD is by the transmission for being directly connected to carry out uplink and downlink signaling with network, therefore the signal quality of cell where WD can automatically measure current base station, and when the signal quality of cell where determining current base station is unable to satisfy business demand, to current base station reporting measurement reports, the cell of its business demand can satisfy to be switched to another.

At least there are the following problems in the prior art: being connected indirectly to network by UE in WD, simultaneously and under the scene of network being directly connected to, measurement report is simultaneously reported to current base station by the signal quality of cell where WD and UE can automatically measure current base station, the case where will appear during WD and UE moves together in this way, being executed handover operation respectively by current base station.In this case, for WD, in order to continue to use existing switching flow as far as possible, and in order to ensure the continuity of WD business, WD execute handover operation it Before, it is necessary to first by being indirectly connected with by UE between current base station, is converted to and is directly connected to current base station, and this shift processing step is complicated, the electric quantity consumption so as to cause WD is serious, and increases the processing load of network side.

Summary of the invention

The problem of embodiment of the present invention provides a kind of motion management method, base station and wearable device, solves during WD and UE moves together, and the electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that

The embodiment of the present invention in a first aspect, providing a kind of motion management method, comprising:

Source base station receives the measurement report that WD is sent, it include: the signal quality of current persistent district, the signal quality of at least one neighboring community and the mark that signal quality instruction, the WD measurement of WD acquisition obtain in the measurement report that the WD is sent, and in the signal quality for the current persistent district that the determining WD measurement received obtains lower than the first measurement thresholding, and when determining that the signal quality of each neighboring community received is higher than third measurement thresholding, determine that WD need to switch over operation.And the signal quality that source base station is obtained according to the WD received indicates to determine that WD and UE need to be switched jointly, and the mark for the neighboring community for including in the measurement report sent according to WD determines the cell that WD and UE need to be switched to jointly, i.e. first object cell.At this point, source base station to first object corresponding with first object cell base station send include the first relaying indicate the first switching request.Wherein, the first relaying instruction is used to indicate first object base station and executes common switching to WD and UE.

Wherein, the degradating trend of signal quality and signal quality that the side chain that signal quality instruction is used to indicate between WD and UE connects；WD is directly connected to source base station, is used for transmission signaling, and be indirectly connected with by UE and source base station, is used for transmission user face data, and current persistent district refers to the cell where the WD of source base station service.

Motion management method provided in an embodiment of the present invention, source base station determine that WD need to be switched over, and the signal quality obtained according to WD indicates to determine that WD and UE need to be switched jointly.And can in the cell for determining that WD and UE need to be switched to jointly, i.e., after first object cell, by first object base station corresponding with the first object cell send include the first relaying indicate the first switching request, allow first object base station according to First relaying instruction executes the operation switched jointly to WD and UE.Since WD and UE can be switched jointly, therefore the side chain between WD and UE connects without disconnecting, so that when WD is switched over, without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

With reference to first aspect, in one possible implementation, the accuracy switched jointly in order to ensure WD and UE, the mark for the neighboring community for including in the measurement report that source base station is sent according to WD determines before first object cell, motion management method provided in an embodiment of the present invention can also include: that source base station receives the measurement report that UE is sent, the measurement report that the UE is sent includes: the signal quality instruction that UE is obtained, the signal quality for the current persistent district that UE measurement obtains, and the signal quality of at least one neighboring community, and in the signal quality for determining current persistent district that UE measurement obtains lower than the first measurement thresholding, and when determining that the signal quality of each neighboring community is higher than the second measurement thresholding, determine that UE need to switch over operation.At this point, the signal quality that source base station is obtained according to WD indicates to determine that WD and UE need to be switched jointly, it specifically may include: that the signal quality instruction that source base station is obtained according to WD and the signal quality that UE is obtained indicate to determine that WD and UE need to be switched jointly.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, when the WD that source base station is indirectly connected to by UE exist at least there are two when, measurement report that UE that source base station receives is sent further include: side link identification (Side Link ID, SLI).At this point, motion management method provided in an embodiment of the present invention can also include: that source base station determines that WD corresponding with SLI is the WD that need to switch jointly with UE from least two WD before determining that WD and UE need to be switched jointly.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, in the measurement report that UE that source base station receives is sent further include: the mark of at least one neighboring community.At this time, the mark for the neighboring community for including in the measurement report that source base station is sent according to WD determines first object cell, it specifically may include: that source base station selects alternative cell group from least one neighboring community for including in the measurement report that WD is sent in the measurement report that at least one neighboring community for including and UE are sent, in the alternative cell group Including at least one alternative cell, and at least one neighboring community for including in the measurement report that each alternative cell belongs at least one neighboring community for including in the measurement report of WD transmission simultaneously and UE is sent.When in the group of alternative cell including an alternative cell, the alternative cell is determined as first object cell by source base station, when in the group of alternative cell including at least two alternative cells, the best cell of UE measurement obtains at least two alternative cells signal quality is determined as first object cell by source base station.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, source base station can also include: the context of UE and the context of WD into the first switching request that first object base station is sent, resource and PC5 radio resource needed for the context of the UE and the context of WD access first object base station for first object base station for UE and WD distribution, in order to which first object base station can be with the context of the context for the UE that multiplexing reception arrives and WD, for resource and PC5 radio resource needed for UE and WD distribution access first object base station, further reduce the processing load of first object base station.Wherein, PC5 radio resource updates the side link resources between WD and UE for WD and UE.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, after source base station sends the first switching request to first object corresponding with first object cell base station, motion management method provided in an embodiment of the present invention can also include: source base station receive first object base station send include the second relaying instruction, the first switching command and the second switching command the first Handover Request Acknowledge, and the first switching command is sent to UE, the second switching command is sent to WD.

Wherein, second relaying instruction is for notifying that source base station first Handover Request Acknowledge is the confirmation switched jointly for UE and WD, first switching command includes resource needed for UE access first object base station and PC5 radio resource, and the second switching command includes resource and PC5 radio resource needed for WD access first object base station.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, in the case where WD is individually switched, WD is also required to first to be indirectly connected with to be converted to and be directly connected to source base station with source base station, it can just switch over, therefore the problem of there is also the electric quantity consumption of WD is serious, and the processing load of network side aggravates.In order to save the electricity of WD in the case where WD is individually switched, the processing load of network side is reduced, originally Inventive embodiments provide motion management method can also include: source base station is obtained according to WD signal quality instruction determination WD need to be individually switched.And the cell that WD need to be individually switched, i.e. the second Target cell are determined as according to the best cell of signal quality in the neighboring community for including in the measurement report of WD transmission.And source base station to the second target BS corresponding with the second Target cell send include WD context the second switching request.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, source base station to the second target BS corresponding with the second Target cell send the second switching request after, motion management method provided in an embodiment of the present invention can also include: source base station receive the second target BS send include WD access the second target BS needed for resource the second Handover Request Acknowledge.And third switching command and instruction information are sent to WD.Wherein, third switching command includes resource needed for WD accesses the second target BS, and instruction information is used to indicate the side chain that WD is disconnected between UE and connects.

With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, the signal quality instruction that source base station is obtained according to WD and the signal quality that UE is obtained indicate to determine that WD and UE need to be switched jointly, to may include: specifically source base station, which connect signal strength and first according to the side chain that WD is obtained, indicates, and UE obtains side chain and connects signal strength and the first instruction, determine that WD and UE need to be switched jointly, side chain connects signal strength for indicating the signal quality that the side chain between WD and UE connects, the degradating trend for the signal quality that the side chain that first instruction is used to indicate between WD and UE connects；Or, the second instruction that source base station is obtained according to WD, and UE obtains the second instruction, determines that WD and UE need to be switched jointly, the degradating trend for the signal quality that the side chain between signal quality and WD and UE that the side chain that the second instruction is used to indicate between WD and UE connects connects.

The second aspect of the embodiment of the present invention provides a kind of motion management method, comprising:

What target BS received source base station transmission includes the first switching request of the first relaying instruction, which is used to indicate target BS and executes switching jointly to WD and UE.And common switching is executed to WD and UE according to the first switching request.And WD is directly connected to source base station, is used for transmission signaling, and be indirectly connected with by UE and source base station, is used for transmission user face data.

Motion management method provided in an embodiment of the present invention, target BS can receive source base Stand transmission includes the first switching request of the first relaying instruction, and the operation switched jointly is executed to WD and UE according to the first relaying instruction.Since WD and UE can be switched jointly, therefore the side chain between WD and UE connects without disconnecting, so that when WD is switched over, without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

It can also include: the context of UE and the context of WD in the first switching request that target BS receives to further reduce the processing load of target BS in one possible implementation in conjunction with second aspect.At this time, target BS executes common switching to WD and UE according to the first switching request, it specifically may include: the context of target BS multiplexing UE and the context of WD, and according to the context of the context of UE and WD be UE and WD distribution access target BS needed for resource and PC5 radio resource, and to source base station send include the second relaying instruction, the first switching command and the second switching command the first Handover Request Acknowledge.

Wherein, second relaying instruction is for notifying that source base station first Handover Request Acknowledge is the confirmation switched jointly for UE and WD, first switching command includes resource needed for UE access target BS and PC5 radio resource, and the second switching command includes resource and PC5 radio resource needed for WD access target BS.

In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, in the case where WD is individually switched, WD is also required to first to be indirectly connected with to be converted to and be directly connected to source base station with source base station, it can just switch over, therefore the problem of there is also the electric quantity consumption of WD is serious, and the processing load of network side aggravates.In order to save the electricity of WD in the case where WD is individually switched, reduce the processing load of network side, motion management method provided in an embodiment of the present invention can also include: target BS receive that source base station sends include WD context the second switching request.

In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, it can also include: context of the target BS according to WD after the second switching request that target BS receives that source base station is sent, carry out data with target BS for WD distribution Resource needed for Data Radio Bearer (Data Radio Bearer, DRB) resource needed for transmission, and access target BS.And to source base station send include WD access target BS needed for resource the second Handover Request Acknowledge.

In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, motion management method provided in an embodiment of the present invention can also include: target BS to mobile management entity (Mobile Management Entity, MME directapath conversion instruction) is sent, directapath conversion instruction is for notifying MME, WD have disconnected the side chain between UE to connect.

The third aspect of the embodiment of the present invention provides a kind of motion management method, comprising:

WD measures the signal quality of current persistent district, and the signal quality of at least one neighboring community is measured, and WD is determining the signal quality for measuring obtained current persistent district lower than the first measurement thresholding, and when in the neighboring community of current persistent district there are the signal quality of cell being higher than third measurement thresholding, measurement report is sent to source base station, it include: the signal quality instruction that WD is obtained in the measurement report that the WD is sent, the signal quality for the current persistent district that WD measurement obtains, and at least one signal quality is higher than the signal quality and mark of the neighboring community of third measurement thresholding.And WD receive source base station send include WD access target BS needed for resource and PC5 radio resource the second switching command, and the resource according to needed for the access target BS received accesses target BS, and updates the side link resources between WD and UE according to the PC5 radio resource received.

Wherein, WD is directly connected to source base station, it is used for transmission signaling, and it is indirectly connected with by UE and source base station, it is used for transmission user face data, current persistent district refers to the cell where source base station, the degradating trend of signal quality and signal quality that the side chain that signal quality instruction is used to indicate between WD and UE connects.

Motion management method provided in an embodiment of the present invention, WD is after determining to need to switch over, the measurement report that the signal quality of the degradating trend of signal quality and signal quality that the side chain being used to indicate between WD and UE for including WD acquisition to source base station transmission connects indicates, so that the signal quality instruction that source base station is obtained according to the WD received determines that WD and UE need to be switched jointly.Since WD and UE can be switched jointly, the side chain between WD and UE is connect without disconnecting, so that when WD is switched over, Without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

In conjunction with the third aspect, in one possible implementation, after WD sends the second measurement report to source base station, can also include: WD receive source base station send include WD access target BS needed for resource third switching command and instruction information, and the resource according to needed for access target BS accesses target BS, and disconnects the side chain between UE according to instruction information and connect.

In conjunction with the third aspect and above-mentioned possible implementation, in alternatively possible implementation, before sending measurement report to source base station, further include: WD obtains side chain and connects signal strength and the first instruction, to obtain signal quality instruction, side chain connects signal strength for indicating the signal quality that the side chain between WD and UE connects, the degradating trend for the signal quality that the side chain that the first instruction is used to indicate between WD and UE connects；Alternatively, WD obtains the second instruction, and to obtain signal quality instruction, the degradating trend for the signal quality that the side chain between signal quality and WD and UE that the side chain that the second instruction is used to indicate between WD and UE connects connects.

The fourth aspect of the embodiment of the present invention provides a kind of source base station, comprising:

Receiving unit, for receiving the measurement report of wearable device WD transmission；WD is directly connected to source base station, it is used for transmission signaling, and it is indirectly connected with by user equipment (UE) and source base station, it is used for transmission user face data, it include: the signal quality instruction that WD is obtained, the signal quality of current persistent district and the signal quality of at least one neighboring community and mark that WD measurement obtains in the measurement report that WD is sent, the degradating trend of signal quality and signal quality that the side chain that signal quality instruction is used to indicate between WD and UE connects；Determination unit, for in the signal quality for determining current persistent district that the WD measurement that receiving unit receives obtains lower than the first measurement thresholding, and when determining that the signal quality for each neighboring community that receiving unit receives is higher than third measurement thresholding, determine that WD need to switch over operation, the mark for the neighboring community for including in the measurement report for the WD transmission that the signal quality that the WD received according to receiving unit is obtained is indicated to determine that WD and UE need to be switched jointly, and received according to receiving unit determines first object cell；First object cell is WD and UE The cell that need to be switched to jointly；Transmission unit, for sending the first switching request to the corresponding first object base station of the first object cell determined with determination unit, it include the first relaying instruction in first switching request, the first relaying instruction is used to indicate first object base station and executes common switching to WD and UE.

In conjunction with fourth aspect, in one possible implementation, receiving unit is also used to receive the measurement report of UE transmission；The measurement report that UE is sent includes: the signal quality instruction that UE is obtained, the signal quality for the current persistent district that UE measurement obtains and the signal quality of at least one neighboring community；Determination unit, it is also used in the signal quality for determining current persistent district that the UE measurement that receiving unit receives obtains lower than the first measurement thresholding, and when determining that the signal quality for each neighboring community that receiving unit receives is higher than the second measurement thresholding, determine that UE need to switch over operation；Determination unit indicates to determine that WD and UE need to be switched jointly specifically for the signal quality that the signal quality instruction obtained in the WD received according to receiving unit and UE obtain.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, when there are the measurement reports that the UE that when at least two, receiving unit is received is sent by the WD for being indirectly connected to source base station by UE further include: side link identification SLI；Determination unit is also used to determine that WD corresponding with SLI is the WD that need to switch jointly with UE from least two WD.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, the measurement report for the UE transmission that receiving unit receives further include: the mark of at least one neighboring community；Determination unit, specifically for from least one neighboring community for including in the measurement report of at least one neighboring community and UE transmission for including in the measurement report for the WD transmission that receiving unit receives, alternative cell group is selected, includes at least one alternative cell in the group of alternative cell；When in the group of alternative cell including an alternative cell, which is determined as first object cell；When in the group of alternative cell including at least two alternative cells, the best cell of UE measurement obtains at least two alternative cells signal quality is determined as first object cell.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, in the first switching request that transmission unit is sent further include: the context and WD of UE Context；Resource and PC5 radio resource needed for the context of UE and the context of WD access first object base station for first object base station for UE and WD distribution, PC5 radio resource update the side link resources between WD and UE for WD and UE.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, receiving unit is also used to receive the first Handover Request Acknowledge of first object base station transmission；Wherein, the first Handover Request Acknowledge includes the second relaying instruction, the first switching command and the second switching command；Second relaying instruction is for notifying that the first Handover Request Acknowledge of source base station is the confirmation switched jointly for UE and WD, first switching command includes resource needed for UE access first object base station and PC5 radio resource, and the second switching command includes resource and PC5 radio resource needed for WD access first object base station；Transmission unit is also used to transmit and receive the first switching command that unit receives to UE, and transmits and receives the second switching command that unit receives to WD.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, determination unit, the signal quality that the WD for being also used to be received according to receiving unit is obtained indicates to determine that WD need to be individually switched；Determination unit, the best cell of signal quality is determined as the second Target cell in the neighboring community for including in the measurement report that the WD that is also used to receive receiving unit is sent；Second Target cell is the cell that WD need to be individually switched；Transmission unit, is also used to send the second switching request to the second target BS corresponding with the second Target cell that determination unit is determined, includes the context of WD in the second switching request.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, receiving unit is also used to receive the second Handover Request Acknowledge of the second target BS transmission；Wherein, the second Handover Request Acknowledge includes resource needed for WD accesses the second target BS；Transmission unit is also used to WD transmission third switching command and instruction information, and third switching command includes resource needed for WD the second target BS of access that receiving unit receives, and the side chain that instruction information is used to indicate between WD disconnection and UE connects.

In conjunction with fourth aspect and above-mentioned possible implementation, in alternatively possible implementation, determination unit, signal strength and the first instruction are connect specifically for the side chain obtained according to WD, and UE obtains side chain and connects signal strength and the first instruction, determine that WD and UE need to be switched jointly, side chain connects signal strength for indicating that the side chain between WD and UE connects Signal quality, the degradating trend for the signal quality that the first side chain for being used to indicate between WD and UE of instruction connects；Alternatively, obtaining the second instruction according to WD the second instruction obtained and UE, determine that WD and UE need to be switched jointly, the degradating trend for the signal quality that the side chain between signal quality and WD and UE that the side chain that the second instruction is used to indicate between WD and UE connects connects.

Concrete implementation mode can be with reference to the behavioral function of source base station in the motion management method method that the possible implementation of first aspect or first aspect provides.

5th aspect of the embodiment of the present invention, provides a kind of target BS, comprising:

Receiving unit, for receiving the first switching request of source base station transmission, it include the first relaying instruction in first switching request, first relaying instruction is used to indicate target BS and executes common switching to wearable device WD and user equipment (UE), WD is directly connected to source base station, it is used for transmission signaling, and is indirectly connected with by UE and source base station, user face data is used for transmission；Switch unit, the first switching request for being received according to receiving unit execute common switching to WD and UE.

In conjunction with the 5th aspect, in one possible implementation, in received first switching request of receiving unit further include: the context of UE and the context of WD, switch unit, it is specifically used for: the context for the UE that multiplexing reception unit receives and the context of WD, and be resource and PC5 radio resource needed for UE and WD distribution accesses target BS according to the context of the context of UE and WD；The first Handover Request Acknowledge is sent to source base station；Wherein, the first Handover Request Acknowledge includes the second relaying instruction, the first switching command and the second switching command；Second relaying instruction is for notifying that the first Handover Request Acknowledge of source base station is the confirmation switched jointly for UE and WD, first switching command includes resource needed for UE access target BS and PC5 radio resource, and the second switching command includes resource and PC5 radio resource needed for WD access target BS.

In conjunction with the 5th aspect and above-mentioned possible implementation, it includes the context of WD in the second switching request that in alternatively possible implementation, receiving unit, which is also used to receive the second switching request of source base station transmission,.

In conjunction with the 5th aspect and above-mentioned possible implementation, in alternatively possible implementation, further includes: allocation unit, WD for being received according to receiving unit up and down Text, resource needed for carrying out data transmission required Data Radio Bearer DRB resource, and access target BS with target BS for WD distribution；Transmission unit, for sending the second Handover Request Acknowledge to source base station；Wherein, the second Handover Request Acknowledge includes resource needed for the WD access target BS of allocation unit distribution.

In conjunction with the 5th aspect and above-mentioned possible implementation, in alternatively possible implementation, transmission unit is also used to send directapath conversion instruction to mobile management entity MME, directapath conversion instruction is for notifying MME, WD have disconnected the side chain between UE to connect.

Concrete implementation mode can be with reference to the behavioral function of target BS in the motion management method method that the possible implementation of second aspect or second aspect provides.

6th aspect of the embodiment of the present invention, provides a kind of WD, comprising:

Measuring unit is measured for the signal quality to current persistent district, and is measured to the signal quality of at least one neighboring community；WD is directly connected to source base station, is used for transmission signaling, and be indirectly connected with by user equipment (UE) and source base station, is used for transmission user face data；Transmission unit, for, lower than the first measurement thresholding, and when being higher than third measurement thresholding there are the signal quality of cell in the neighboring community of current persistent district, sending measurement report to source base station in the signal quality for determining current persistent district that measuring unit measurement obtains；Wherein, it include: the signal quality instruction that WD is obtained in the measurement report that WD is sent, the signal quality for the current persistent district that measuring unit measurement obtains, and at least one signal quality is higher than the signal quality and mark of the neighboring community of third measurement thresholding, the degradating trend of signal quality and signal quality that the side chain that signal quality instruction is used to indicate between WD and UE connects；Receiving unit, for receiving the second switching command of source base station transmission, the second switching command includes resource and PC5 radio resource needed for WD access target BS；Access unit, resource needed for the access target BS for being received according to receiving unit access target BS；Updating unit, the PC5 radio resource for being received according to receiving unit update the side link resources between WD and UE.

In conjunction with the 6th aspect and above-mentioned possible implementation, in alternatively possible implementation, further includes: switching units；Receiving unit, is also used to receive the third switching command and instruction information of source base station transmission, and third switching command includes needed for WD access target BS Resource；Access unit is also used to the access target BS of the resource according to needed for the access target BS that receiving unit receives；Switching units, the side chain that the instruction information for being received according to receiving unit disconnects between UE connect.

In conjunction with the 6th aspect and above-mentioned possible implementation, in alternatively possible implementation, further include: acquiring unit, for: it obtains side chain and connects signal strength and the first instruction, to obtain signal quality instruction, side chain connects signal strength for indicating the signal quality that the side chain between WD and UE connects, the degradating trend for the signal quality that the side chain that the first instruction is used to indicate between WD and UE connects；Alternatively, the second instruction is obtained, and to obtain signal quality instruction, the degradating trend for the signal quality that the side chain between signal quality and WD and UE that the side chain that the second instruction is used to indicate between WD and UE connects connects.

Concrete implementation mode can be with reference to the behavioral function of WD in the motion management method method that the possible implementation of the third aspect or the third aspect provides.

7th aspect of the embodiment of the present invention, provides a kind of source base station, comprising: processor, memory and transceiver；

Memory is for storing computer executed instructions, when source base station operation, processor executes the computer executed instructions of memory storage, so that source base station executes the motion management method as described in any one of possible implementation of first aspect or first aspect.

The eighth aspect of the embodiment of the present invention provides a kind of target BS, comprising: processor, memory and transceiver；

Memory is for storing computer executed instructions, when target BS operation, processor executes the computer executed instructions of memory storage, so that target BS executes the motion management method as described in any one of possible implementation of second aspect or second aspect.

9th aspect of the embodiment of the present invention, provides a kind of WD, comprising: processor, memory and transceiver；

Memory is for storing computer executed instructions, and when WD operation, processor executes the computer executed instructions of memory storage, so that WD executes the motion management method as described in any one of possible implementation of the third aspect or the third aspect.

Tenth aspect of the embodiment of the present invention, provides a kind of computer storage medium, and for storing computer software instructions used in above-mentioned source base station, which includes to be used for Execute program designed by above-mentioned motion management method.

On the one hand the tenth of the embodiment of the present invention, provides a kind of computer storage medium, for storing computer software instructions used in above-mentioned target BS, which includes for executing program designed by above-mentioned motion management method.

12nd aspect of the embodiment of the present invention, provides a kind of computer storage medium, and for storing computer software instructions used in above-mentioned WD, which includes for executing program designed by above-mentioned motion management method.

Detailed description of the invention

Fig. 1 is a kind of rough schematic view of the system architecture using the embodiment of the present invention provided in an embodiment of the present invention；

Fig. 2 is a kind of composition schematic diagram of base station provided in an embodiment of the present invention；

Fig. 3 is a kind of composition schematic diagram of WD provided in an embodiment of the present invention；

Fig. 4 is a kind of flow chart of motion management method provided in an embodiment of the present invention；

Fig. 5 is the flow chart of another motion management method provided in an embodiment of the present invention；

Fig. 6 is the flow chart of another motion management method provided in an embodiment of the present invention；

Fig. 7 is the flow chart of another motion management method provided in an embodiment of the present invention；

Fig. 8 is the flow chart of another motion management method provided in an embodiment of the present invention；

Fig. 9 is the composition schematic diagram of another source base station provided in an embodiment of the present invention；

Figure 10 is the composition schematic diagram of another source base station provided in an embodiment of the present invention；

Figure 11 is the composition schematic diagram of another target BS provided in an embodiment of the present invention；

Figure 12 is the composition schematic diagram of another target BS provided in an embodiment of the present invention；

Figure 13 is the composition schematic diagram of another target BS provided in an embodiment of the present invention；

Figure 14 is the composition schematic diagram of another kind WD provided in an embodiment of the present invention；

Figure 15 is the composition schematic diagram of another kind WD provided in an embodiment of the present invention；

Figure 16 is the composition schematic diagram of another kind WD provided in an embodiment of the present invention.

Specific embodiment

The terms " system " and " network " are often used interchangeably herein.The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A, simultaneously There are A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".

In order to solve during WD and UE moves together, the electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, the problem of processing load of network side aggravates, the embodiment of the present invention provides a kind of motion management method, the basic principle is that: source base station receives the measurement report that WD is sent, and in the signal quality for determining current persistent district that WD measurement obtains lower than the first measurement thresholding, and the signal quality for each neighboring community in measurement report including is when being higher than third measurement thresholding, determine that WD need to switch over operation, source base station indicates to determine that WD and UE need to be switched jointly also according to the signal quality that WD is obtained, and first object cell is determined according to the mark for the neighboring community for including in the measurement report of WD transmission, and it sends and wraps to first object corresponding with first object cell base station Include the first switching request of the first relaying instruction.

In this way, source base station includes the first switching request that the first relaying indicates by sending to first object base station, first object base station is allowed to execute the operation switched jointly to WD and UE according to the first relaying instruction.Since WD and UE can be switched jointly, therefore the side chain between WD and UE connects without disconnecting, so that when WD is switched over, without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

It is described in detail below in conjunction with embodiment of the attached drawing to the embodiment of the present invention.

Shown in fig. 1 is the rough schematic view that can apply the system architecture of the embodiment of the present invention.As shown in Figure 1, the system architecture may include: source base station 11, WD12, UE13, MME14, gateway (Serving GateWay, S-GW) 15 and target BS 16.

WD12 is directly connected to the foundation of source base station 11, and is directly connected to carry out the interaction of uplink and downlink signaling by this, and WD12 is indirectly connected with by UE13 and the foundation of source base station 11, and is indirectly connected with the interaction for carrying out user face data by this.After WD12 and UE13 are switched to target BS 16 jointly, WD12 is directly connected to the foundation of target BS 16, and it is directly connected to carry out the interaction of uplink and downlink signaling by this, and WD12 is indirectly connected with by UE13 and the foundation of target BS 16, and is indirectly connected with the interaction for carrying out user face data by this.

Wherein, base station (base station can be the source base station 11 in the embodiment of the present invention, the target BS 16 being also possible in the embodiment of the present invention) can be base station (Base Station, BS) or base station controller of wireless communication etc..

Base station is a kind of is deployed in wireless access network to provide the device of wireless communication function for WD12 or UE13, its major function has: carrying out carrying out selection, routing user face data to S-GW15, the tissue of paging message and transmission, the tissue of broadcast message and transmission, the measurement for the purpose of mobility or scheduling and configuration of measurement report of MME14 etc. when the management of radio resource, the compression of Internet protocol (Internet Protocol, IP) head and the encryption of customer traffic, user equipment attachment.

Base station may include various forms of macro base stations, micro-base station, relay station, access point etc..In the system using different wireless access technologys, the title for having the equipment of base station functions may be different, such as, in LTE system, the referred to as base station (evolved NodeB, eNB or eNodeB) of evolution, in third generation mobile communications technology (The 3rd Generation Telecommunication, 3G) in system, referred to as base station (Node B) etc..With the evolution of the communication technology, " base station " this title may change.In addition, in other possible situations, base station, which can be, other provides the device of wireless communication function for WD12 or UE13.For convenience of description, in the embodiment of the present invention, it is known as base station for the WD12 or UE13 device for providing wireless communication function.

All kinds of intelligent wearable devices such as WD12, including but not limited to smartwatch, hand intelligence ring, intelligent spire lamella, intelligent glasses, intelligent necklace, intelligent ring, intelligence ring, smart phone.In practical applications, WD12 itself can provide bluetooth (Bluetooth, BT), Wireless Fidelity (Wireless-Fidelity, Wi-Fi), the various available network concatenation abilities such as near field communication (NFC) (Near Field Communication, NFC), infrared ray (Infrared).

The WD12 can be in terms of built-in acceleration, gyroscope, magnetometer, light sensor, global positioning system (Global Positioning System, the input/output such as various kinds of sensors and microphone, loudspeaker (Input/Output, the I/O) component such as GPS).(i.e. user works as in the place that movement (such as running, walking), user's sign data (such as heart rate, blood pressure) and the user that user can be effectively detected using above-mentioned various kinds of sensors by WD12 are presently in It is the location of preceding) etc..

UE13 is itself can to provide the wireless terminal of the various available network concatenation abilities such as BT, Wi-Fi, NFC, infrared ray.Wireless terminal can be directed to user and provide the equipment of voice and/or data connectivity, have the handheld device of wireless connecting function or be connected to other processing equipments of radio modem.

Wireless terminal can be communicated through wireless access network (Radio Access Network, RAN) with one or more core nets.Wireless terminal can be mobile terminal, such as mobile phone (or be " honeycomb " phone) and the computer with mobile terminal, it is also possible to portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchange language and/or data with RAN, such as, personal communication service (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (SIP) phone, wireless local loop (Wireless Local Loop, WLL it) stands, personal digital assistant (Personal Digital Assistant, the equipment such as PDA).Wireless terminal is referred to as user agent (User Agent), user equipment (User Device).

MME 14 is mainly responsible for the functions such as the transmission of Non-Access Stratum protocols (Non-Access-Stratum, NAS) signaling, NAS signaling encryption, roaming, tracking, distributing user temporary identifications.

S-GW15 is responsible for WD12 and UE13 and provides Service Gateway function, mobile anchor point function, the abilities such as policy enforcement function.

Fig. 2 is a kind of composition schematic diagram of base station provided in an embodiment of the present invention, the base station can be the source base station in the embodiment of the present invention, the target BS being also possible in the embodiment of the present invention, as shown in Figure 2, base station may include at least one processor 21, memory 22 and transceiver 23.

It is specifically introduced below with reference to each component parts of the Fig. 2 to base station:

Processor 21 can be a processor, be also possible to the general designation of multiple processing elements.Such as, processor 21 can be a general central processor (central processing unit, CPU), it is also possible to application-specific integrated circuit (application-specific integrated circuit, ASIC), or one or more is used to control the integrated circuit that the present invention program program executes, such as: one or more microprocessors (digital signal processor, DSP) Or, one or more field programmable gate array (field programmable gate array, FPGA).Wherein, processor 21 can execute the various functions of base station by running or executing the software program being stored in memory 22, and the data that calling is stored in memory 22.

In the concrete realization, as one embodiment, processor 21 may include one or more CPU, such as CPU0 shown in Fig. 2 and CPU1.

In the concrete realization, as one embodiment, base station may include multiple processors, such as processor shown in Fig. 2 21 and processor 24.Each of these processors can be a single core processor (single-CPU), be also possible to a multi-core processor (multi-CPU).Here processor can refer to one or more equipment, circuit, and/or the processing core for handling data (such as computer program instructions).

Memory 22 can be read-only memory (read-only memory, ROM) or the other kinds of static storage device of static information and instruction can be stored, random access memory (random access memory, RAM) or the other kinds of dynamic memory of information and instruction can be stored, it is also possible to Electrically Erasable Programmable Read-Only Memory (electrically erasable programmable read-only memory, EEPROM), CD-ROM (compact disc read-only memory, ) or other optical disc storages CD-ROM, optical disc storage (including compression optical disc, laser disc , optical disc, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store the desired program code with instruction or data structure form and can by any other medium of computer access, but not limited to this.

Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.

Wherein, memory 22 is used to store the application code for executing the present invention program, and execution is controlled by processor 21.Processor 21 is for executing the application code stored in memory 22.

Transceiver 23 is used for and other equipment or communication, such as Ethernet, RAN, WLAN (wireless local area networks, WLAN) etc..In embodiments of the present invention, transceiver 23 may include all or part of baseband processor, and also optional It include selecting property radio frequency (Radio Frequency, RF) processor.For RF processor for receiving and dispatching RF signal, baseband processor is then converted into the processing of the baseband signal of RF signal for realizing the baseband signal converted by RF signal or i.e..

Fig. 3 is a kind of composition schematic diagram of WD provided in an embodiment of the present invention, as shown in figure 3, WD may include at least one processor 31, memory 32 and transceiver 33.

Processor 31 can be a processor, be also possible to the general designation of multiple processing elements.For example, processor 31 can be a CPU, it is also possible to ASIC, or one or more integrated circuits executed for controlling the present invention program program, such as: one or more DSP, or, one or more FPGA.

Wherein, processor 31 can execute the various functions of WD by running or executing the software program being stored in memory 32, and the data that calling is stored in memory 32.

In the concrete realization, as one embodiment, processor 31 may include one or more CPU, such as CPU0 and CPU1 in Fig. 3.

In the concrete realization, as one embodiment, WD may include multiple processors, such as processor 31 and processor 34 in Fig. 3.Each of these processors can be a single core processor, be also possible to a multi-core processor.Here processor can refer to one or more equipment, circuit, and/or the processing core for handling data (such as computer program instructions).

Memory 32 can be ROM or can store the other kinds of static storage device of static information and instruction, RAM or the other kinds of dynamic memory that information and instruction can be stored, it is also possible to EEPROM, CD-ROM or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus, or can be used in carry or store have instruction or data structure form desired program code and can be by any other medium of computer access, but not limited to this.

Transceiver 33, for other equipment or communication, such as Ethernet, RAN, WLAN etc..Transceiver 33 may include that receiving unit realizes receive capabilities, and sends single Member realizes sending function.

Fig. 4 is a kind of flow chart of motion management method provided in an embodiment of the present invention, as shown in figure 4, this method may include:

401, WD measures the signal quality of current persistent district, and measures to the signal quality of at least one neighboring community.

Wherein, current persistent district refers to the cell where the WD of source base station service, at least one neighboring community is the cell adjacent with current persistent district that WD is obtained.It is directly connected in WD and source base station, and be indirectly connected with by UE and source base station, and WD currently there is business transmitting scene under, if WD is moved, the signal quality of current persistent district can then be measured, and the signal quality of at least one neighboring community is measured.

402, WD is determining that the signal quality of current persistent district that measurement obtains lower than the first measurement thresholding, and when being higher than third measurement thresholding there are the signal quality of cell in the neighboring community of current persistent district, sends measurement report to source base station.

It is measured in signal quality of the WD to current persistent district, and after being measured the signal quality of the neighboring community of current persistent district, WD can determine the signal quality for measuring obtained current persistent district lower than the first measurement thresholding, show that the signal quality of current persistent district is unable to satisfy the business demand of WD, and there are the cells that signal quality is higher than third measurement thresholding in the neighboring community of current persistent district, when showing that the signal quality there are neighboring community can satisfy the business demand of WD, measurement report is sent to source base station, it include: the signal quality instruction that WD is obtained in the measurement report that the WD is sent, the signal quality for the current persistent district that WD measurement obtains, (at least one neighboring community refers to: signal matter in the neighboring community of current persistent district at least one neighboring community Amount be higher than third measurement thresholding cell) signal quality and mark.

Wherein, the degradating trend of signal quality and signal quality that the side chain that the signal quality instruction that WD is obtained is used to indicate between WD and UE connects.

Illustratively, the signal quality that WD can periodically connect the side chain between WD and UE measures, and according to the variation of the signal quality measured in preset time period, can determine the degradating trend of signal quality.For example, second of WD measures and obtain signal quality lower than obtained signal quality is measured for the first time, obtained signal quality is measured for the third time Lower than obtained signal quality is measured for the second time, WD can determine that the degradating trend of signal quality is to be deteriorated at this time.

403, source base station receives the measurement report that WD is sent.

404, the measurement report that source base station is sent according to WD determines that WD need to switch over operation, and determines that WD and UE need to be switched jointly, and determine first object cell.

Wherein, first object cell is the cell that WD and UE need to be switched to jointly.

After the measurement report that source base station receives WD transmission, the signal quality of the obtained current persistent district of WD measurement for including in the measurement report that source base station can be sent according to WD, at least one neighboring community signal quality, in the signal quality for determining current persistent district that WD measurement obtains lower than the first measurement thresholding, and when determining that the signal quality of each neighboring community is higher than third measurement thresholding, determine that WD need to switch over operation.

And the signal quality instruction that can be obtained according to WD determines that WD and UE need to be switched jointly.

And source base station can according to WD send measurement report in include at least one neighboring community mark, determine first object cell.

For example, the signal quality that connects of the side chain between WD and UE is higher than threshold value, and when signal quality does not have degradating trend, determine that WD and UE need to be switched jointly.WD and UE is not required to be switched jointly when the signal quality that side chain between WD and UE connects has degradating trend lower than threshold value and/or signal quality.

405, source base station sends the first switching request to first object corresponding with first object cell base station.

It wherein, include the first relaying instruction in the first switching request, the first relaying instruction is used to indicate first object base station and executes common switching to WD and UE.Determine that WD need to switch over operation in source base station, and determine that WD and UE need to be switched jointly, and after determining first object cell, source base station can include the first switching request of the first relaying instruction to the transmission of first object corresponding with first object cell base station by X2 interface.

406, target BS receives the first switching request that source base station is sent.

407, target BS executes common switching to WD and UE according to the first switching request.

Motion management method provided in an embodiment of the present invention, source base station determine that WD need to be into Row switching, and the signal quality obtained according to WD indicates to determine that WD and UE need to be switched jointly.And it can be in the cell for determining that WD and UE need to be switched to jointly, i.e. after first object cell, by including the first switching request of the first relaying instruction to first object base station corresponding with first object cell transmission, first object base station is allowed to execute the operation switched jointly to WD and UE according to the first relaying instruction.Since WD and UE can be switched jointly, therefore the side chain between WD and UE connects without disconnecting, so that when WD is switched over, without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

It should be noted that, for the ease of the understanding of those skilled in the art, below the embodiment of the present invention with UE send measurement report be the first measurement report, WD send measurement report be the second measurement report for, motion management method provided in an embodiment of the present invention is specifically introduced.

Fig. 5 is a kind of flow chart of motion management method provided in an embodiment of the present invention, network is connected indirectly to by UE in WD (wherein UE and WD is currently resident in same cell), it is directly connected to simultaneously with network, and WD currently there is business transmitting scene under, if UE and WD are moved together, then it is likely to occur the case where current persistent district is unable to satisfy the business demand of WD, at this time, in order to guarantee the business continuance of WD, and in order to reduce the electric quantity consumption of WD as far as possible, UE and WD can be switched to the cell for the business demand that another can satisfy WD jointly, WD offer service is continued as will pass through the cell.As shown in figure 5, this method may include:

501, source base station sends the first measurement control signaling to UE.

Wherein, it may include: the first measurement thresholding and the second measurement thresholding in first measurement control (Measurement Control) signaling, the first measurement thresholding is for judging whether the signal quality (Signal Strength) of current persistent district meets the business demand of UE.

Second measurement thresholding is used to judge the business demand whether signal quality for the first neighboring community for including in first neighboring community's group meets UE, it may include at least one first neighboring community in first neighboring community's group, first neighboring community is current resident with UE The adjacent cell of cell.

In order to be moved in UE, and when causing current persistent district to be unable to satisfy the business demand of UE due to movement, UE can be switched to another in time can satisfy the cell of its business demand, source base station can in advance to UE send for determine current persistent district and the cell adjacent with current persistent district whether meet UE business demand the first measurement control signaling.

It should be noted that, source base station can be each of to include that the first neighboring community configures different measurement thresholdings in first neighboring community's group, or first include in neighboring community's group all first neighboring communities configure identical measurement thresholding, identical measurement thresholding can also be configured for the first neighboring community of part for including in first neighboring community's group, for source base station be first neighboring community's group in the first neighboring community configuration measurement thresholding the concrete mode embodiment of the present invention it is not limited here, can be configured according to the demand of practical application scene.

502, UE receives the first measurement control signaling that source base station is sent.

503, UE sends the first measurement report to source base station.

Wherein, after UE receives the first measurement control signaling of source base station transmission, if UE is moved, then can the signal quality of the first neighboring community of each of signal quality to current persistent district and first neighboring community's group measure, and judge whether the signal quality of current persistent district meets current business demand according to the first measurement thresholding for including in the first measurement control signaling received, judge whether the signal quality of each first neighboring community meets current business demand according to the second measurement thresholding for including in the first measurement control signaling, when UE determines the signal quality of current persistent district lower than the first measurement thresholding, show that the signal quality of current persistent district is unable to satisfy current business demand, and determine that being higher than second there are the signal quality of the first neighboring community in first neighboring community's group surveys Thresholding is measured, that is, when showing that the signal quality there are the first neighboring community can satisfy current business demand, UE can send the first measurement report (Measurement Report) to source base station.Wherein, the signal quality in first neighboring community's group is higher than the first neighboring community of the second measurement thresholding includes in third neighboring community group.

It in the first possible implementation, may include: each of signal quality, the third neighboring community group of the current persistent district that SLI, UE measurement obtain in first measurement report Signal quality and mark, the side chain of first neighboring community meet signal strength (Side Link Signal Strength), and first instruction (this first instruction can for side chain connect signal strength deteriorate instruction, i.e. Side Link Signal Strength Deterioration Indicator)；In the second possible implementation, may include: in first measurement report the first neighboring community of each of signal quality, the third neighboring community group of the current persistent district that SLI, UE measurement obtain signal quality and mark and second instruction.

Wherein, SLI refers to that the side chain between the WD and UE connects the mark of (Side Link) carrying.SLI needs the WD switched jointly for determining in the WD connecting with UE.

When including that side chain connects signal strength and the first instruction in first measurement report, side chain connects the signal quality that the side chain that signal strength is used to indicate between WD and UE connects, the degradating trend for the signal quality that the side chain that first instruction is used to indicate between WD and UE connects, so that the degradating trend of the signal quality and signal quality that are connect according to the side chain between UE and WD determines whether UE and WD needs to be switched jointly.The value of first instruction may is that 0 or 1, in one possible implementation, the signal quality that side chain connects can be represented with 0 be not deteriorated, 1, which represents the signal quality that side chain connects, is being deteriorated, in alternatively possible implementation, the signal quality that side chain connects being represented with 1 and not being deteriorated, 0, which represents the signal quality that side chain connects, is being deteriorated, alternatively, the degradating trend for the signal quality that side chain connects can also be indicated with other values.

It should be noted that the specific value of the first instruction can be configured according to the demand of practical application scene, the embodiment of the present invention is not particularly limited herein.

In embodiments of the present invention with the value of the first instruction for 0 or 1, use 0 represents the signal quality that side chain connects and be not deteriorated, and 1 represents for the signal quality that side chain connects is being deteriorated.

The side chain that UE includes into the first measurement report that source base station is sent connects signal strength and the first instruction, it is understood that there may be four kinds of situations:

Side chain connects signal strength higher than threshold value, and first is designated as 0, and side chain connects signal strength and first and indicates that the signal quality situation that the side chain being used to indicate between WD and UE connects meets the condition switched jointly at this time.

Side chain connects signal strength higher than threshold value, and first is designated as 1, and side link signal is strong at this time The signal quality situation that the side chain that degree and the first instruction are used to indicate between UE and WD connects is unsatisfactory for the condition switched jointly.

Side chain connects signal strength lower than threshold value, and first is designated as 0, and the signal quality situation that the side chain that side chain connects signal strength at this time and the first instruction is used to indicate between UE and WD connects is unsatisfactory for the condition switched jointly.

Side chain connects signal strength lower than threshold value, and first is designated as 1, and the signal quality situation that the side chain that side chain connects signal strength at this time and the first instruction is used to indicate between UE and WD connects is unsatisfactory for the condition switched jointly.

Illustratively, it is assumed that the side chain that UE includes into the first measurement report that source base station is sent connects signal strength higher than threshold value, and first is designated as 0, and the two is used to indicate the signal quality situation that the side chain between UE and WD connects and meets the condition switched jointly.

When in first measurement report including the second instruction, the degradating trend of signal quality and signal quality that the side chain that second instruction is used to indicate between WD and UE connects, so that the degradating trend of the signal quality and signal quality that are connect according to the side chain between UE and WD determines whether UE and WD needs to be switched jointly.

Wherein, in one possible implementation, the value of the second instruction may is that 00,01,10,11.

00, which represents the signal quality that side chain connects, is higher than threshold value, and the signal quality that side chain connects be not deteriorated, and the signal quality situation that the side chain that the second instruction is used to indicate between UE and WD at this time connects meets the condition switched jointly.

01, which represents the signal quality that side chain connects, is higher than threshold value, and the signal quality that side chain connects is being deteriorated, and the signal quality situation that the side chain that the second instruction is used to indicate between UE and WD at this time connects is unsatisfactory for the condition switched jointly.

10, which represent the signal quality that side chain connects, is lower than threshold value, and the signal quality that side chain connects be not deteriorated, and the signal quality situation that the side chain that the second instruction is used to indicate between UE and WD at this time connects is unsatisfactory for the condition switched jointly.

11, which represent the signal quality that side chain connects, is lower than threshold value, and the signal quality that side chain connects is being deteriorated, and the signal quality situation that the side chain that the second instruction is used to indicate between UE and WD at this time connects is unsatisfactory for the condition switched jointly.

Illustratively, assuming that UE include into the first measurement report that source base station is sent second be designated as 00, the signal strength quality that i.e. side chain connects is higher than threshold value, the signal quality that side chain connects be not deteriorated, and the signal quality situation that the side chain being used to refer between UE and WD connects meets the condition switched jointly.

Wherein, it should be noted that side chain connects signal strength and the first instruction or the second instruction can be what the signal quality that the side chain between UE detection UE and WD connects obtained.The signal quality that UE can connect the side chain between UE and WD is periodically measured, and connects signal strength and the first instruction to obtain side chain, or obtain the second instruction.For example, UE the side chain between UE and WD can be connect with every 1s (second) it is signal quality measured primary.

504, source base station sends the second measurement control signaling to WD.

Wherein, it may include: the first measurement thresholding and third measurement thresholding in second measurement control signaling, first measurement thresholding is for judging whether the signal quality of current persistent district meets the business demand of WD, third measurement thresholding is used to judge the business demand whether signal quality for the second neighboring community for including in second neighboring community's group meets WD, it may include at least one second neighboring community in second neighboring community's group, second neighboring community is the cell adjacent with the current persistent district of WD.

Since WD is by the transmission for being directly connected to carry out uplink and downlink signaling with network, therefore, in order to be moved in WD, and when causing current persistent district to be unable to satisfy the business demand of WD due to movement, WD can be switched to another in time can satisfy the cell of its business demand, and source base station can first pass through in advance to be directly connected to send to WD for determining whether current persistent district and the cell adjacent with current persistent district meet the second measurement control signaling of the business demand of WD with WD.

It should be noted that, source base station can be each of to include that the second neighboring community configures different measurement thresholdings in second neighboring community's group, or second include in neighboring community's group all second neighboring communities configure identical measurement thresholding, identical measurement thresholding can also be configured for the second neighboring community of part for including in second neighboring community's group, for source base station be second neighboring community's group in the second neighboring community configuration measurement thresholding the concrete mode embodiment of the present invention it is not limited here, can be configured according to the demand of practical application scene.

505, WD receives the second measurement control signaling that source base station is sent.

506, WD sends the second measurement report to source base station.

Wherein, after WD receives the second measurement control signaling of source base station transmission, if WD is moved, can the signal quality of the second neighboring community of each of signal quality to current persistent district and second neighboring community's group measure.

And judge whether the signal quality of current persistent district meets current business demand according to the first measurement thresholding for including in the second measurement control signaling received, judge whether the signal quality of each second neighboring community meets current business demand according to the third measurement thresholding for including in the second measurement control signaling.

When WD determines the signal quality of current persistent district lower than the first measurement thresholding, show that the signal quality of current persistent district is unable to satisfy current business demand, and determine that being higher than third there are the signal quality of the second neighboring community in second neighboring community's group measures thresholding, when showing that the signal quality there are the second neighboring community can satisfy current business demand, WD can send the second measurement report to source base station.

Wherein, the signal quality in second neighboring community's group is higher than the second neighboring community of third measurement thresholding includes in the 4th neighboring community's group.

In the first possible implementation, may include: the signal quality of the second neighboring community of each of signal quality, the 4th neighboring community's group of the current persistent district that WD measurement obtains in second measurement report and mark, side chain connect signal strength and first instruction；In the second possible implementation, may include: in second measurement report the second neighboring community of each of signal quality, the 4th neighboring community's group of the current persistent district that WD measurement obtains signal quality and mark and second instruction.

It should be noted that, the specific descriptions for the parameter for including in second measurement report are similar with the specific descriptions of parameter for including in the first measurement report, can be with reference to the specific descriptions in step 503 to the relevant parameter for including in the first measurement report for the specifically describing for parameter for including in the second measurement report, this is no longer going to repeat them for the embodiment of the present invention.

When including that side chain connects signal strength and the first instruction in second measurement report, illustratively, assuming that the side chain that WD includes into the second measurement report that source base station is sent connects signal strength higher than threshold value, first is designated as 0, and the two is used to refer to the signal quality situation that the side chain between UE and WD connects and meets the condition switched jointly.

When in second measurement report including the second instruction, illustratively, assuming that WD include into the second measurement report that source base station is sent second be designated as 00, the signal quality that i.e. side chain connects is higher than threshold value, and the signal quality that side chain connects be not deteriorated, the signal quality situation that the side chain being used to refer between UE and WD connects meets the condition switched jointly.

Wherein, it should be noted that side chain connects signal strength and the first instruction or the second instruction can be what the signal quality that the side chain between WD detection UE and WD connects obtained.The signal quality that WD can connect the side chain between UE and WD is periodically measured, and connects signal strength and the first instruction to obtain side chain, or obtain the second instruction.For example, WD the side chain between UE and WD can be connect with every 2s (second) it is signal quality measured primary.

It should be noted that, in embodiments of the present invention, step 501- step 503, the no precedence relationship of execution with step 504- step 506, it can first carry out step 501- step 503, then step 504- step 506 is executed again, alternatively, step 504- step 506 can also be first carried out, step 501- step 503 is then executed again, the embodiment of the present invention, to step 501- step 503, is not particularly limited at this with the execution sequence of step 504- step 506.

507, source base station receives the first measurement report that UE is sent, and receives the second measurement report of WD transmission.

508, source base station determines that UE and WD needs are switched jointly according to the first measurement report and the second measurement report, and determines Target cell.

Wherein, Target cell refers to the neighboring community for the current persistent district that UE and WD need to be switched to jointly.

The first possible implementation corresponding to the first measurement report in step 503, after the first measurement report that source base station receives UE transmission, source base station may determine that whether the signal quality for the current persistent district that the UE measurement for including in the first measurement report obtains is lower than the first measurement thresholding, and judge whether the signal quality of the first neighboring community of each of the third neighboring community group for including in the first measurement report is higher than the second measurement thresholding.

Then for the signal quality of the current persistent district obtained according to judgement lower than the first measurement thresholding, the signal quality of the first neighboring community of each of third neighboring community group is higher than the second measurement thresholding, determines that UE needs switch over.

And source base station can connect signal strength and according to the side chain for including in the first measurement report One instruction, whether the signal quality situation for judging that the side chain between UE and WD connects meets the condition switched jointly, whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.

Illustratively, according to the example in step 503, source base station can connect signal strength higher than threshold value according to the side chain for including in the first measurement report, first is designated as 0, determine that the signal quality situation that the side chain between UE and WD connects meets the condition switched jointly, the signal quality situation that source base station can connect according to the side chain between obtained UE and WD at this time meets the condition switched jointly, determines that UE and WD needs are switched jointly.

Second of possible implementation corresponding to the first measurement report in step 503, after the first measurement report that source base station receives UE transmission, source base station may determine that whether the signal quality for the current persistent district that the UE measurement for including in the first measurement report obtains is lower than the first measurement thresholding.

And judge whether the signal quality of the first neighboring community of each of the third neighboring community group for including in the first measurement report is higher than the second measurement thresholding.

And source base station can be according to the second instruction for including in the first measurement report, whether the signal quality situation for judging that the side chain between UE and WD connects meets the condition switched jointly, whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.

Illustratively, according to the example in step 503, source base station can be according to the second instruction 00 for including in the first measurement report, the signal quality that i.e. side chain connects is higher than threshold value, the signal quality that side chain connects be not deteriorated, and determines that the signal quality situation that the side chain between UE and WD connects meets the condition switched jointly.The signal quality situation that source base station can connect according to the side chain between obtained UE and WD at this time meets the condition switched jointly, determines that UE and WD needs are switched jointly.

Corresponding to the first possible implementation of the second measurement report in step 506, After the second measurement report that source base station receives WD transmission, source base station may determine that whether the signal quality for the current persistent district that the WD measurement for including in the second measurement report obtains is lower than the first measurement thresholding.

And judge whether the signal quality of the second neighboring community of each of the 4th neighboring community's group for including in the second measurement report is higher than third measurement thresholding.

Then lower than the first measurement thresholding, the signal quality of the second neighboring community of each of the 4th neighboring community's group is higher than third and measures thresholding the signal quality of the current persistent district obtained according to judgement, determines that WD needs switch over.

And source base station can connect signal strength and the first instruction according to the side chain for including in the second measurement report, whether the signal quality situation for judging that the side chain between UE and WD connects meets the condition switched jointly, whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.

Illustratively, according to the example in step 506, source base station can connect signal strength higher than threshold value according to the side chain for including in the second measurement report, first is designated as 0, determine that the signal quality situation that the side chain between UE and WD connects meets the condition switched jointly, at this point, the signal quality situation that source base station can connect according to the side chain between obtained UE and WD meets the condition switched jointly, determine that UE and WD needs are switched jointly.

Second of possible implementation corresponding to the second measurement report in step 506, after the second measurement report that source base station receives WD transmission, source base station may determine that whether the signal quality for the current persistent district that the WD measurement for including in the second measurement report obtains is lower than the first measurement thresholding.

And whether source base station can meet the condition switched jointly according to the second instruction for including in the second measurement report, the signal quality situation for judging that the side chain between UE and WD connects, from And whether the signal quality situation that can be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.

Illustratively, according to the example in step 506, source base station can be according to the second instruction 00 for including in the second measurement report, the signal quality that i.e. side chain connects is higher than threshold value, the signal quality that side chain connects be not deteriorated, and determines that the signal quality situation that the side chain between UE and WD connects meets the condition switched jointly, at this time, the signal quality situation that source base station can connect according to the side chain between obtained UE and WD meets the condition switched jointly, determines that UE and WD needs are switched jointly.

After source base station determines that UE and WD needs switch jointly according to the first measurement report and the second measurement report, since UE may be connected with multiple WD simultaneously, therefore, source base station can also determine the WD for needing to be switched jointly in the WD connecting with UE according to the SLI for including in the first measurement report.

Specifically, source base station can distribute the layer 2ID (Layer 2 ID, L2 ID) for distinguishing the data packet of WD and UE according to the context of WD for WD.And source base station is the L2 ID difference of different WD distribution, and distributes the SLI that the side chain for identifying between UE and WD connects carrying, can also save the corresponding relationship of L2 ID, SLI and SLI and L2 ID.Therefore, after the first measurement report that source base station receives UE transmission, source base station is according to the SLI for including in the first measurement report, by searching for the corresponding relationship of the SLI and L2 ID of preservation, L2ID corresponding with the SLI for including in the first measurement report can be determined, so that it is determined that is connect out with UE is that specifically which WD need to be switched jointly with UE in multiple WD.

After source base station determines the WD that need to switch jointly with UE, source base station can determine Target cell according to the mark of the second neighboring community of each of the 4th neighboring community's group for including in the mark of the first neighboring community of each of the third neighboring community group for including in the first measurement report and the second measurement report.

It is specific to determine that method may is that source base station be according to the mark of the second neighboring community of each of the mark of the first neighboring community of each of third neighboring community group and the 4th neighboring community's group, the alternately cell group of the neighboring community with like-identified is selected from third neighboring community group and the 4th neighboring community's group, may include that at least one is standby in the group of alternative cell Select cell, if only including an alternative cell in the group of alternative cell, then source base station determines that the alternative cell is Target cell, if in the group of alternative cell including multiple alternative cells, then source base station can select the best neighboring community of signal quality that UE measurement obtains as Target cell according to the signal quality of the first neighboring community of each of the third neighboring community group for including in the first measurement report from the group of alternative cell.

Certainly, when the WD connecting with UE only has one, then without including SLI in the first measurement report, source base station determines which operation the WD switched jointly with UE be according to SLI without execution, but after determining that UE and WD needs switch jointly, the operation for determining Target cell is directly executed.

It should be noted that source base station can judge whether UE and WD needs to be switched jointly according to the measurement report first received if source base station does not receive the first measurement report and the second measurement report simultaneously.If it is determined that UE and WD needs are switched jointly, then after source base station can need switch jointly determining UE and WD, whether judgement receives another measurement report within a preset period of time.If receiving another measurement report within a preset period of time, after determining that UE and WD need to carry out common switching according to another measurement report, step 509 is executed；If being not received by another measurement report within a preset period of time, or another measurement report is received within a preset period of time, but determine that UE and WD do not need to be switched jointly according to another measurement report, it is determined that UE and WD does not need to be switched jointly.

509, source base station sends switching request to target BS corresponding with Target cell.

Wherein, in source base station according to the first measurement report and the second measurement report, determine that UE and WD needs are switched jointly, and after determining Target cell, source base station can be by X2 interface to target BS corresponding with Target cell transmission switching request (Handover Request).It may include: relaying instruction (Relay Indicator), the context (UE Context Information) of UE and the context (WD Context Information) of WD in the switching request.

Wherein, relaying instruction is used to indicate target BS and is switched jointly to UE and WD.It may include: the first wireless heterogeneous networks (Radio Resource Control, RRC) context in the context of UE (may include radio bearer ID in the first RRC context (Radio Bearer ID, RB ID)), the corresponding relationship of L2 ID, the corresponding relationship of SLI, SLI and L2 ID and SLI and RB ID, wherein, the mark of DRB of the RB ID between UE and source base station, L2 ID is the mark that source base station is WD distribution, the mark that side chain of the SLI between WD and UE connects.It may include the 2nd RRC context in the context of WD, may include EBI in the 2nd RRC context, the mark of evolved packet system (Evolved Packet System, EPS) carrying of the EBI between WD and core net.

510, target BS receives the switching request that source base station is sent.

Wherein, target BS can receive the switching request that source base station is sent by X2 interface.

511, target BS is multiplexed the context of UE and the context of WD according to switching request, and distributes the resource of transmission services data, PC5 radio resource and access-in resource.

Wherein, after the switching request that target BS receives source base station transmission, target BS can indicate to determine that WD and UE need to be switched to jointly in the coverage area of itself according to the relaying for including in switching request, i.e., in Target cell.And source base station can determine that the side chain between UE and WD connects and still have according to the SLI for including in the context of UE, connect required PC5 radio resource for the side chain between WD and UE update WD and UE so as to distribute, PC5 refers to the interface between UE and WD.Target BS can also directly be multiplexed the corresponding relationship of L2 ID in the context of UE included, the corresponding relationship of SLI, SLI and L2 ID and SLI and RB ID, without regenerating.

Target BS can also be according to the context for the UE for including in switching request and the context of WD, common switching for UE and WD distributes and the resource of reserved transmission services data, and target BS can distribute access-in resource, access-in resource may include: first identifier, second identifier, the first lead code, the second lead code.Wherein, which can be the first C-RNTI, and second identifier can be the 2nd C-RNTI.

Wherein, first identifier is used for UE access target BS for identifying UE, the first lead code, and second identifier accesses target BS for WD for identifying WD, the second lead code.

512, target BS sends Handover Request Acknowledge to source base station.

Wherein, in target BS according to switching request, it has been multiplexed the context of UE and the context of WD, and has been assigned with after the resource of transmission services data, PC5 radio resource and access-in resource, target BS can send Handover Request Acknowledge (Handover to source base station Request Ack).It may include: relaying instruction in the Handover Request Acknowledge, first switching command (Handover Command) and the second switching command, wherein, relaying instruction is for notifying source base station, the Handover Request Acknowledge is the confirmation switched jointly for UE and WD, first switching command is included in the first information, the first information the specific can be that first object to source transparent vessel (Target to source transparent container), second switching command is included in the second information, second information is the specific can be that the 2nd Target to source transparent container, it may include first identifier in first switching command, first lead code (P It reamble) and PC5 radio resource, may include second identifier, the second lead code and PC5 radio resource in second switching command.

513, source base station receives the Handover Request Acknowledge that target BS is sent.

514, the first switching command for including in Handover Request Acknowledge is sent to UE by source base station.

Wherein, after the Handover Request Acknowledge that source base station receives target BS transmission, the first switching command for including in Handover Request Acknowledge can be sent to UE by source base station.Illustratively, source base station, which can carry the first switching command to link in reconfiguration (RRC Connection Reconfiguration) in RRC, is sent to UE.

515, UE receives the first switching command that source base station is sent.

516, UE disconnects the connection with source base station according to the first switching command, and accesses target BS.

Wherein, after the first switching command that UE receives source base station transmission, UE can disconnect the connection with source base station according to the first switching command, it is synchronized with target BS, and target BS is accessed according to the first lead code for including in the first switching command, and first identifier is carried when accessing target BS, in order to which target BS determines that access target BS is UE according to first identifier, and the context of UE is determined according to first identifier, and then the DRB for meeting QoS between UE is established according to the context of the UE in step 511.

517, the second switching command for including in Handover Request Acknowledge is sent to WD by source base station.

Wherein, after the Handover Request Acknowledge that source base station receives target BS transmission, the second switching command for including in Handover Request Acknowledge can be sent to WD by source base station.Illustratively, source base station can carry the second switching command is sent in RRC link reconfiguration WD。

518, WD receives the second switching command that source base station is sent.

It should be noted that, in embodiments of the present invention, step 514- step 515, the no precedence relationship of execution with step 517- step 518, executing the step after 513, step 514- step 515 can be first carried out, then executes step 517- step 518 again, or, step 517- step 518 can also be first carried out, then step 514- step 515 is executed again, and the embodiment of the present invention, to step 514- step 515, is not particularly limited at this with the execution sequence of step 517- step 518.

519, WD disconnects the connection with source base station according to the second switching command, and accesses target BS.

Wherein, after the second switching command that WD receives source base station transmission, WD can disconnect the connection with source base station according to the second switching command, it is synchronized with target BS, and target BS is accessed according to the second lead code for including in the second switching command, and second identifier is carried when accessing target BS, in order to which target BS determines that access target BS is WD according to second identifier, and the context of WD is found according to second identifier, and then according to the context of the WD in step 511, foundation is directly connected to WD's.

520, UE updates side link resources according to the PC5 radio resource for including in the first switching command.

Wherein, in UE according to the connection of the first switching command disconnection and source base station, and it accesses after target BS, UE can update side link resources according to the PC5 radio resource for including in the first switching command, so that successful switch is into Target cell, if UE has upstream data to need to send at this time, upstream data directly can be sent to target BS, in order to which the upstream data received is forwarded to S-GW by target BS, and then complete the transmission of upstream data.

521, WD updates side link resources according to the PC5 radio resource for including in the second switching command.

Wherein, in WD according to the connection of the second switching command disconnection and source base station, and it accesses after target BS, WD can update side link resources according to the PC5 radio resource for including in the second switching command, so that successful switch is into Target cell, if WD has upstream data to need to send at this time, upstream data can be forwarded to by target BS by UE, so as to The upstream data received is forwarded to S-GW in target BS, and then completes the transmission of upstream data.

It should be noted that the common switching in order to realize WD and UE, and in order to ensure the business continuance of WD, in embodiments of the present invention, it is preferred that step 516 and step 519 may be performed simultaneously, and step 520 and step 521 also may be performed simultaneously.

522, UE sends the first switching confirmation to target BS.

Wherein, in order to which target BS can be made to know that UE successfully switches to Target cell, after the side chain of UE connects resource updates completion, UE can send the first switching confirmation (Handover Confirm) for notifying successfully to switch to Target cell to target BS.

523, target BS receives the first switching confirmation that UE is sent.

Wherein, target BS can confirm according to the first switching received after receiving the first switching confirmation of UE transmission and determine that UE successfully switches to Target cell.

524, WD sends the second switching confirmation to target BS.

Wherein, in order to which target BS can be made to know that WD successfully switches to Target cell, after the side chain of WD connects resource updates completion, WD can send the second switching confirmation for notifying successfully to switch to Target cell to target BS.

525, target BS receives the second switching confirmation that WD is sent.

Wherein, target BS can confirm according to the second switching received after receiving the second switching confirmation of WD transmission and determine that WD successfully switches to Target cell.

It should be noted that, in embodiments of the present invention, step 522- step 523, the no precedence relationship of execution with step 524- step 525, it can first carry out step 522- step 523, then step 524- step 525 is executed again, alternatively, step 524- step 525 can also be first carried out, step 522- step 523 is then executed again, the embodiment of the present invention, to step 522- step 523, is not particularly limited at this with the execution sequence of step 524- step 525.

After executing the step 501- step 525, the upstream data channel of UE and target BS, and success has been established in the upstream data channel of WD and target BS, but downlink data channel is not yet established, downlink data just can only be sent to target BS by source base station by S-GW, so that downlink data is sent to UE and WD by target BS, at this time, in order to enable downlink data directly can be sent to target BS by SGW, following steps can be executed 526- step 537:

526, target BS sends first path convert requests to MME.

Wherein, confirmed in target BS according to the first switching received, determine that UE is successfully switched to after Target cell, the path integration that target BS can send UE to MME requests (Path Switch Request), that is first path convert requests may include: EBI the and UE ID of the mark of target BS, the S1-U for needing to modify in the first path convert requests, wherein, target BS mark can be TEID, and S1-U refers to the connection between target BS and S-GW.

527, MME receives the first path convert requests that target BS is sent.

528, target BS sends the request of the second path integration to MME.

Wherein, confirmed in target BS according to the second switching received, determine that WD is successfully switched to after Target cell, target BS can send the path integration request of WD to MME, that is the second path integration is requested, and may include: EBI the and WD ID of TEID, the S1-U for needing to modify in second path integration request.

529, MME receives the second path integration request that target BS is sent.

It should be noted that, in embodiments of the present invention, step 526- step 527, the no precedence relationship of execution with step 528- step 529, it can first carry out step 526- step 527, then step 528- step 529 is executed again, alternatively, step 528- step 529 can also be first carried out, step 526- step 527 is then executed again, the embodiment of the present invention, to step 526- step 527, is not particularly limited at this with the execution sequence of step 528- step 529.

530, MME is requested according to first path convert requests and the second path integration, sends modification carrying request to S-GW.

It wherein, may include: the EBI of TEID and the S1-U for needing to modify in modification carrying request (Modify Bearer Request).After MME receives first path convert requests and the request of the second path integration of target BS transmission, MME, which can carry the EBI of the TEID and needs for including in first path switching request and the second path switching request S1-U modified, is sent to S-GW in modification carrying request.

531, the modification that S-GW receives that MME is sent carries request, and carries request modification carrying according to modification.

Wherein, after S-GW receives the modification carrying request of MME transmission, it can be according to the TEID for including in modification carrying request, determine the downlink data for being sent to UE or WD, target BS is needed to forward, rather than source base station forwards, i.e., when SGW has downlink data that need to be sent to UE or WD, which is sent to target BS.And the modification that S-GW is carried according to the EBI that modification carries the S1-U that the needs for including in request are modified, the physical channel for sending downlink data can specifically be modified, i.e. the first physical channel the channel of downlink data (first physical channel be S-GW to source base station send) can be revised as the second physical channel (second physical channel be S-GW to the channel of target BS transmission downlink data) by S-GW.

532, S-GW sends modification carrying to MME and replys.

Wherein, the modification carrying request that MME is sent is received in S-GW, and is requested after modifying to carrying according to modification carrying, S-GW can send modification carrying to MME and reply (Modify Bearer Response).

533, the modification that MME receives that S-GW is sent, which carries, replys.

534, MME is converted to target BS transmitting path and is confirmed.

Wherein, after the modification carrying that MME receives S-GW transmission is replied, MME can convert confirmation (Path Switch Ack) to target BS transmitting path.

535, target BS receives the path integration confirmation that MME is sent.

536, target BS sends Iu release command to source base station.

537, source base station receives the Iu release command that target BS is sent.

Wherein, source base station can discharge the related resource of UE and WD after the Iu release command (Iu Release Command) for receiving target BS transmission.

Motion management method provided in an embodiment of the present invention, source base station determine that WD need to be switched over, and the signal quality obtained according to WD indicates to determine that WD and UE need to be switched jointly.And it can be in the cell for determining that WD and UE need to be switched to jointly, i.e. after first object cell, by including the first switching request of the first relaying instruction to first object base station corresponding with first object cell transmission, first object base station is allowed to execute the operation switched jointly to WD and UE according to the first relaying instruction.Since WD and UE can be switched jointly, the side chain between WD and UE is connect without disconnecting, thus When so that WD being switched over, without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

And, the signal quality instruction that the UE that source base station includes in the measurement report according to UE is obtained, and the signal quality instruction that the WD in the measurement report of WD including is obtained determines that WD and UE need to be switched jointly jointly, just determine that WD and UE need to be switched jointly, which ensures that the accuracys that WD and UE switch jointly, and source base station further includes the first switching request for having the context of context and WD of UE by sending to first object base station, further reduces the processing load of first object base station.

Fig. 6 is the flow chart of another motion management method provided in an embodiment of the present invention, network is connected indirectly to by UE in WD (wherein UE and WD is currently resident in same cell), it is directly connected to simultaneously with network, and WD currently there is business transmitting scene under, if UE and WD are moved together, then it is likely to occur the case where current persistent district is unable to satisfy the business demand of WD, at this time, in order to guarantee the business continuance of WD, and in order to reduce the electric quantity consumption of WD as far as possible, UE and WD can be switched to the cell for the business demand that another can satisfy WD jointly, WD offer service is continued as will pass through the cell.As shown in fig. 6, this method may include:

601, source base station sends the first measurement control signaling to UE.

It wherein, may include: the first measurement thresholding and the second measurement thresholding in the first measurement control signaling.

602, UE receives the first measurement control signaling that source base station is sent.

603, UE sends the first measurement report to source base station.

Wherein, in the first possible implementation, may include: the signal quality of the first neighboring community of each of signal quality, the third neighboring community group of the current persistent district that SLI, UE measurement obtain in first measurement report and mark, side chain connect signal strength and first instruction；In the second possible implementation, may include: in first measurement report the first neighboring community of each of signal quality, the third neighboring community group of the current persistent district that SLI, UE measurement obtain signal quality and mark and second instruction.

604, source base station sends the second measurement control signaling to WD.

It wherein, may include: the first measurement thresholding and third measurement thresholding in the second measurement control signaling.

605, WD receives the second measurement control signaling that source base station is sent.

606, WD sends the second measurement report to source base station.

Wherein, in the first possible implementation, may include: the signal quality of the second neighboring community of each of signal quality, the 4th neighboring community's group of the current persistent district that WD measurement obtains in second measurement report and mark, side chain connect signal strength and first instruction；In the second possible implementation, may include: in second measurement report the second neighboring community of each of signal quality, the 4th neighboring community's group of the current persistent district that WD measurement obtains signal quality and mark and second instruction.

It should be noted that, in embodiments of the present invention, step 601- step 603, the no precedence relationship of execution with step 604- step 606, it can first carry out step 601- step 603, then step 604- step 606 is executed again, alternatively, step 604- step 606 can also be first carried out, step 601- step 603 is then executed again, the embodiment of the present invention, to step 601- step 603, is not particularly limited at this with the execution sequence of step 604- step 606.

607, source base station receives the first measurement report that UE is sent, and receives the second measurement report of WD transmission.

608, source base station determines that UE and WD needs are switched jointly according to the first measurement report and the second measurement report, and determines Target cell.

609, source base station sends the first switching request to target BS corresponding with Target cell.

Wherein, in source base station according to the first measurement report and the second measurement report, determine that UE and WD needs are switched jointly, and after determining Target cell, source base station can send the switching request of UE by X2 interface to target BS corresponding with Target cell, that is the first switching request, it may include: the context of relaying instruction and UE in first switching request, it may include the first RRC context (may include RB ID in the first RRC context) in the context of UE, L2 ID, SLI, the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID, wherein, the mark of Data Radio Bearer of the RB ID between UE and source base station, L2 ID is the mark that source base station is WD distribution, SLI be WD and The mark that side chain between UE connects.

610, target BS receives the first switching request that source base station is sent.

Wherein, target BS can receive the first switching request that source base station is sent by X2 interface.

611, source base station sends the second switching request to target BS corresponding with Target cell.

Wherein, in source base station according to the first measurement report and the second measurement report, determine that UE and WD needs are switched jointly, and after determining Target cell, source base station can send the switching request of WD to target BS corresponding with Target cell, that is the second switching request, it may include: the context of relaying instruction and WD in second switching request, it may include the 2nd RRC context in the context of WD, it may include EBI in 2nd RRC context, the mark of EPS carrying of the EBI between WD and core net.

612, target BS receives the second switching request that source base station is sent.

Wherein, target BS can receive the second switching request that source base station is sent by X2 interface.

It should be noted that, in embodiments of the present invention, step 609- step 610, the no precedence relationship of execution with step 611- step 612, executing the step after 608, step 609- step 610 can be first carried out, then executes step 611- step 612 again, or, step 611- step 612 can also be first carried out, then step 609- step 610 is executed again, and the embodiment of the present invention, to step 609- step 610, is not particularly limited at this with the execution sequence of step 611- step 612.

613, target BS is multiplexed the context of UE and the context of WD according to the first switching request and the second switching request, and distributes the resource of transmission services data, PC5 radio resource and access-in resource.

Wherein, access-in resource may include: first identifier, second identifier, the first lead code, the second lead code.

614, target BS sends the first Handover Request Acknowledge to source base station.

Wherein, the context of UE and the context of WD have been multiplexed according to switching request in target BS, and have been assigned with after the resource of transmission services data, PC5 radio resource and access-in resource, target BS can to source base station send UE Handover Request Acknowledge, i.e., first Handover Request Acknowledge.It may include: relaying instruction and the first switching command in first Handover Request Acknowledge, wherein, first switching command is included in the first information, the first information may include first identifier, the first lead code and PC5 radio resource in first switching command the specific can be that the first Target to source transparent container.

615, source base station receives the first Handover Request Acknowledge that target BS is sent.

616, target BS sends the second Handover Request Acknowledge to source base station.

Wherein, in target BS according to switching request, it has been multiplexed the context of UE and the context of WD, and has been assigned with after the resource of transmission services data, PC5 radio resource and access-in resource, target BS can send the Handover Request Acknowledge of WD, i.e. the second Handover Request Acknowledge to source base station.It may include: relaying instruction and the second switching command in second Handover Request Acknowledge, wherein, second switching command is included in the second information, second information may include second identifier, the second lead code and PC5 radio resource in second switching command the specific can be that the 2nd Target to source transparent container.

617, source base station receives the second Handover Request Acknowledge that target BS is sent.

It should be noted that, in embodiments of the present invention, step 614- step 615, the no precedence relationship of execution with step 616- step 617, executing the step after 613, step 614- step 615 can be first carried out, then executes step 616- step 617 again, or, step 616- step 617 can also be first carried out, then step 614- step 615 is executed again, and the embodiment of the present invention, to step 614- step 615, is not particularly limited at this with the execution sequence of step 616- step 617.

618, the first switching command for including in the first Handover Request Acknowledge is sent to UE by source base station.

619, UE receives the first switching command that source base station is sent.

620, UE disconnects the connection with source base station according to the first switching command, and accesses target BS.

621, the second switching command for including in the second Handover Request Acknowledge is sent to WD by source base station.

622, WD receives the second switching command that source base station is sent.

It should be noted that in embodiments of the present invention, step 618- step 619, with step The no precedence relationship of execution of rapid 621- step 622, step 618- step 619 can be first carried out, then step 621- step 622 is executed again, or, step 621- step 622 can also be first carried out, then step 618- step 619 is executed again, and the embodiment of the present invention, to step 618- step 619, is not particularly limited at this with the execution sequence of step 621- step 622.

623, WD disconnects the connection with source base station according to the second switching command, and accesses target BS.

624, UE updates side link resources according to the PC5 radio resource for including in the first switching command.

625, WD updates side link resources according to the PC5 radio resource for including in the second switching command.

It should be noted that the common switching in order to realize WD and UE, and in order to ensure the business continuance of WD, in embodiments of the present invention, it is preferred that step 620 and step 623 may be performed simultaneously, and step 624 and step 625 also may be performed simultaneously.

626, UE sends the first switching confirmation to target BS.

627, target BS receives the first switching confirmation that UE is sent.

628, WD sends the second switching confirmation to target BS.

629, target BS receives the second switching confirmation that WD is sent.

After executing the step 601- step 629, the upstream data channel of UE and target BS, and success has been established in the upstream data channel of WD and target BS, but downlink data channel is not yet established, downlink data just can only be sent to target BS by source base station by S-GW, so that downlink data is sent to UE and WD by target BS, at this time, in order to enable downlink data directly can be sent to target BS by SGW, following steps 630- step 641 can be executed:

It should be noted that, in embodiments of the present invention, step 626- step 627, the no precedence relationship of execution with step 628- step 629, it can first carry out step 626- step 627, then step 628- step 629 is executed again, alternatively, step 628- step 629 can also be first carried out, step 626- step 627 is then executed again, the embodiment of the present invention, to step 626- step 627, is not particularly limited at this with the execution sequence of step 628- step 629.

630, target BS sends first path convert requests to MME.

Wherein, EBI the and UE ID of S1-U that in the first path convert requests may include: the mark of target BS, need to modify, target BS mark can be TEID, and S1-U refers to the connection between target BS and S-GW.

631, MME receives the first path convert requests that target BS is sent.

632, target BS sends the request of the second path integration to MME.

It wherein, may include: EBI the and WD ID of TEID, the S1-U for needing to modify in second path integration request.

633, MME receives the second path integration request that target BS is sent.

It should be noted that, in embodiments of the present invention, step 630- step 631, the no precedence relationship of execution with step 632- step 633, it can first carry out step 630- step 631, then step 632- step 633 is executed again, alternatively, step 632- step 633 can also be first carried out, step 630- step 631 is then executed again, the embodiment of the present invention, to step 630- step 631, is not particularly limited at this with the execution sequence of step 632- step 633.

634, MME is requested according to first path convert requests and the second path integration, sends modification carrying request to S-GW.

It wherein, may include: the EBI of TEID and the S1-U for needing to modify in modification carrying request.After MME receives first path convert requests and the request of the second path integration of target BS transmission, MME, which can carry the EBI of the TEID and needs for including in first path switching request and the second path switching request S1-U modified, is sent to S-GW in modification carrying request.

635, the modification that S-GW receives that MME is sent carries request, and carries request modification carrying according to modification.

636, S-GW sends modification carrying to MME and replys.

637, the modification that MME receives that S-GW is sent, which carries, replys.

638, MME is converted to target BS transmitting path and is confirmed.

639, target BS receives the path integration confirmation that MME is sent.

640, target BS sends Iu release command to source base station.

641, source base station receives the Iu release command that target BS is sent.

It should be noted that in the embodiment of the present invention step 601- step 641 specific descriptions With the specific descriptions of corresponding steps are similar in step 501- step 537 in another embodiment of the present invention, can be with reference to the specific descriptions of corresponding steps in step 501- step 537 in another embodiment for specifically describing for step 601- step 641 in the embodiment of the present invention, this is no longer going to repeat them for the embodiment of the present invention.

Motion management method provided in an embodiment of the present invention, source base station determine that WD need to be switched over, and the signal quality obtained according to WD indicates to determine that WD and UE need to be switched jointly.And it can be in the cell for determining that WD and UE need to be switched to jointly, i.e. after first object cell, by including the first switching request of the first relaying instruction to first object base station corresponding with first object cell transmission, first object base station is allowed to execute the operation switched jointly to WD and UE according to the first relaying instruction.Since WD and UE can be switched jointly, therefore the side chain between WD and UE connects without disconnecting, so that when WD is switched over, without executing the operation being directly connected to be converted to source base station will be indirectly connected with source base station, and then it solves during WD and UE moves together, the problem of electric quantity consumption for being executed WD caused by handover operation respectively by current base station is serious, and the processing load of network side aggravates.

Fig. 7 is the flow chart of another motion management method provided in an embodiment of the present invention, network is connected indirectly to by UE in WD (wherein UE and WD is currently resident in same cell), it is directly connected to simultaneously with network, and WD currently there is business transmitting scene under, if UE and WD are moved together, then it is likely to occur the case where current persistent district is unable to satisfy the business demand of WD, at this time, in order to guarantee the business continuance of WD, and in order to reduce the electric quantity consumption of WD as far as possible, WD, which can be switched to another, can satisfy the cell of its business demand, WD offer service is continued as will pass through the cell.As shown in fig. 7, this method may include:

701, source base station sends the second measurement control signaling to WD.

702, WD receives the second measurement control signaling that source base station is sent.

703, WD sends the second measurement report to source base station.

Wherein, after WD receives the second measurement control signaling of source base station transmission, if WD is moved, then can the signal quality of the second neighboring community of each of signal quality to current persistent district and second neighboring community's group measure, and judge whether the signal quality of current persistent district meets current business demand according to the first measurement thresholding for including in the second measurement control signaling received, judge whether the signal quality of each second neighboring community meets current business demand according to the third measurement thresholding for including in the second measurement control signaling, when WD determines the signal quality of current persistent district lower than the first measurement thresholding, show that the signal quality of current persistent district is unable to satisfy current business demand, and determine that there are the signal qualities of the second neighboring community higher than third survey in second neighboring community's group Thresholding is measured, that is, when showing that the signal quality there are the second neighboring community can satisfy current business demand, WD can send the second measurement report to source base station.

It should be noted that, the specific descriptions of parameter for including in the specific descriptions for the parameter for including in second measurement report and the first measurement report in step 503 in another embodiment of the present invention are similar, can be with reference to the specific descriptions in another embodiment of the present invention step 503 to the relevant parameter for including in the first measurement report for the specifically describing for parameter for including in the second measurement report, this is no longer going to repeat them for the embodiment of the present invention.

When including that side chain connects signal strength and the first instruction in second measurement report, illustratively, it is assumed that the side link signal that WD includes into the second measurement report that source base station is sent Intensity is lower than threshold value, and first is designated as 1, and the two is used to refer to the signal quality situation that the side chain between UE and WD connects and is unsatisfactory for the condition switched jointly.

When in second measurement report including the second instruction, illustratively, assuming that WD include into the second measurement report that source base station is sent second be designated as 11, the signal quality that i.e. side chain connects is lower than threshold value, and the signal quality that side chain connects is being deteriorated, the signal quality situation that the side chain being used to refer between UE and WD connects is unsatisfactory for the condition switched jointly.

704, source base station receives the second measurement report that WD is sent.

705, source base station determines that WD is individually switched according to the second measurement report, and deletes the incidence relation of UE and WD, and determines Target cell.

Wherein, Target cell refers to the neighboring community for the current persistent district that WD needs to be individually switched.The first possible implementation corresponding to the second measurement report in step 703, after the second measurement report that source base station receives WD transmission, source base station may determine that whether the signal quality for the current persistent district that the WD measurement for including in the second measurement report obtains is lower than the first measurement thresholding, and judge whether the signal quality of the second neighboring community of each of the 4th neighboring community's group for including in the second measurement report is higher than third measurement thresholding, then the signal quality of the current persistent district obtained according to judgement is lower than the first measurement thresholding, the signal quality of the second neighboring community of each of 4th neighboring community's group is higher than third and measures thresholding, determine that WD needs switch over, and source base station can connect signal strength and the first instruction according to the side chain for including in the second measurement report, judge the side between UE and WD Whether the signal quality situation of link meets the condition switched jointly, and whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.Illustratively, according to the example in step 703, source base station can connect signal strength lower than threshold value according to the side chain for including in the second measurement report, first is designated as 1, the signal quality situation for determining that the side chain between UE and WD connects is unsatisfactory for the condition switched jointly, at this point, source base station can be unsatisfactory for the condition switched jointly according to the signal quality situation that the side chain between obtained UE and WD connects, determine that WD is individually switched.

Corresponding to second of possible implementation of the second measurement report in step 703, after the second measurement report that source base station receives WD transmission, source base station may determine that the Whether the signal quality for the current persistent district that the WD measurement for including in two measurement reports obtains is lower than the first measurement thresholding, and judge whether the signal quality of the second neighboring community of each of the 4th neighboring community's group for including in the second measurement report is higher than third measurement thresholding, then the signal quality of the current persistent district obtained according to judgement is lower than the first measurement thresholding, the signal quality of the second neighboring community of each of 4th neighboring community's group is higher than third and measures thresholding, determine that WD needs switch over, and source base station can be according to the second instruction for including in the second measurement report, whether the signal quality situation for judging that the side chain between UE and WD connects meets the condition switched jointly, whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, it determines UE and WD is No needs are switched jointly.Illustratively, according to the example in step 703, source base station can be designated as 11 according to include in the second measurement report second, the signal quality that i.e. side chain connects is lower than threshold value, the signal quality that side chain connects is being deteriorated, and the signal quality situation for determining that the side chain between UE and WD connects is unsatisfactory for the condition switched jointly.At this point, source base station can be unsatisfactory for the condition switched jointly according to the signal quality situation that the side chain between obtained UE and WD connects, determine that WD is individually switched.

After source base station determines that WD is individually switched according to the second measurement report, source base station can determine that the side chain for needing to indicate that UE and WD is disconnected between the two connects, further, source base station, which determines, to be needed to send an instruction information to UE and WD respectively, is used to indicate the side chain disconnected between UE and WD and is connect.And source base station can delete the incidence relation of UE and WD, the corresponding relationship of the SLI, L2 ID, the corresponding relationship of SLI and L2 ID and SLI the and RB ID that include in the specific context to delete UE, and in the context of UE the WD (WD is the equipment for receiving UE relaying) ID, the ID of the UE (UE is that the equipment of relay services is provided for WD) in the context of WD can also be deleted.Source base station can also be according to the signal quality and mark of the second neighboring community of each of the 4th neighboring community's group for including in the second measurement report, the best neighboring community of signal quality that WD measurement obtains is selected from the 4th neighboring community's group as Target cell, in order to which the Target cell is individually switched in WD.

706, source base station sends the second switching request to target BS corresponding with Target cell.

Wherein, it is independent to determine that WD needs to carry out according to the second measurement report in source base station Switching, and delete the incidence relation of UE and WD, and after determining Target cell, source base station can send the second switching request to target BS corresponding with Target cell by X2 interface, it may include: the context of WD in second switching request, it may include the 2nd RRC context in the context of WD, may include EBI in the 2nd RRC context, the mark of EPS carrying of the EBI between WD and core net.

707, target BS receives the second switching request that source base station is sent.

708, target BS distributes new DRB related resource according to the second switching request for WD, and distributes the resource of access-in resource and transmission services data.

Wherein, due to include in the second switching request the 2nd RRC context in there is no the related resource of DRB, therefore after the second switching request that target BS receives source base station transmission, target BS can distribute new DRB related resource for WD, and access-in resource can be distributed, access-in resource may include: second identifier and the second lead code, and the resource distributed and reserve transmission services data can be individually switched for WD according to the context for the WD for including in the second switching request in target BS.

709, target BS sends the second Handover Request Acknowledge to source base station.

Wherein, it may include the second switching command in the second Handover Request Acknowledge, may include second identifier, the second lead code in second switching command.

710, source base station receives the second Handover Request Acknowledge that target BS is sent.

711, source base station sends the 2nd RRC link reconfiguration to WD.

Wherein, after the second Handover Request Acknowledge that source base station receives target BS transmission, carried along link in reconfiguration in the 2nd RRC of instruction information described in the second switching command and step 705 that include in second Handover Request Acknowledge can be sent to WD by source base station.

712, the 2nd RRC that WD receives that source base station is sent links reconfiguration.

713, WD links the connection of reconfiguration disconnection and UE according to the 2nd RRC, deletes the corresponding relationship of EBI and SLI, and disconnect the connection with source base station, and access target BS.

Wherein, after WD receives the 2nd RRC link reconfiguration of source base station transmission, WD can be disconnected according to the instruction information for including in the 2nd RRC link reconfiguration and the company of UE It connects, and delete the corresponding relationship of EBI and SLI, and it can be according to the connection of the second switching command disconnection and source base station, it is synchronized with target BS, and target BS is accessed according to the second lead code for including in the second switching command, and second identifier is carried when access target BS, that determine to access target BS according to second identifier in order to target BS is WD, and according to the new DRB related resource in step 708 being WD distribution, the DRB between target BS and WD is established.

714, WD sends the second switching confirmation to target BS.

715, target BS receives the second switching confirmation that WD is sent.

After executing the step 701- step 715, success has been established in the upstream data channel of WD and target BS, but downlink data channel is not yet established, downlink data just can only be sent to target BS by source base station by S-GW, so that downlink data is sent to WD by target BS, at this point, following steps 716- step 726 can be executed in order to enable downlink data directly can be sent to target BS by SGW:

716, target BS sends the request of the second path integration to MME.

Wherein, confirmed in target BS according to the second switching received, determine that WD is successfully switched to after Target cell, target BS can send the path integration request of WD to MME, that is the second path integration is requested, and may include: TEID, EBI, WD ID of the S1-U for needing to modify and directapath conversion instruction (Direct Path Switch Indicator) in second path integration request.Directapath conversion instruction is used to that MME, WD is notified to disconnect the connection with UE.

717, MME receives the second path integration request that target BS is sent.

718, MME is requested according to the second path integration, deletes the UE ID in the context of the WD ID and WD in the context of UE.

Wherein, after MME receives the second path integration request of target BS transmission, MME can be according to the directapath conversion instruction for including in the request of the second path integration, the ID for deleting the WD (WD is the equipment for receiving UE relaying) in the context of UE, can also delete the ID of the UE (UE is that the equipment of relay services is provided for WD) in the context of WD.

719, MME is requested according to the second path integration, is sent modification carrying to S-GW and is asked It asks.

It wherein, may include: the EBI of TEID and the S1-U for needing to modify in modification carrying request.It is requested in MME according to the second path integration, delete the WD ID in the context of UE, and after the UE ID in the context of WD, MME, which can carry the EBI of the TEID and needs for including in the second path switching request S1-U modified, is sent to S-GW in modification carrying request.

720, the modification that S-GW receives that MME is sent carries request, and carries request modification carrying according to modification.

Wherein, after S-GW receives the modification carrying request of MME transmission, it can be according to the TEID for including in modification carrying request, determine the downlink data for being sent to WD, target BS is needed to forward, rather than source base station forwards, i.e., when SGW has downlink data that need to be sent to WD, which is sent to target BS.And the modification that S-GW is carried according to the EBI that modification carries the S1-U that the needs for including in request are modified, the physical channel for sending downlink data can specifically be modified, i.e. the first physical channel the channel of downlink data (first physical channel be S-GW to source base station send) can be revised as the second physical channel (second physical channel be S-GW to the channel of target BS transmission downlink data) by S-GW.

721, S-GW sends modification carrying to MME and replys.

Wherein, the modification that MME is sent being received in S-GW and carrying request, and requested after modifying carrying according to modification carrying, S-GW, which can send to modify to MME, carries reply.

722, the modification that MME receives that S-GW is sent, which carries, replys.

723, MME is converted to target BS transmitting path and is confirmed.

724, target BS receives the path integration confirmation that MME is sent.

725, target BS sends Iu release command to source base station.

726, source base station receives the Iu release command that target BS is sent.

Wherein, source base station can discharge the related resource of WD according to Iu release command after the Iu release command for receiving target BS transmission.

727, source base station sends the first RRC link reconfiguration to UE.

Wherein, after source base station discharges the related resource of WD, source base station can be by step Instruction information described in rapid 705 and configuration parameter, which are carried, is sent to UE in the first RRC link reconfiguration, and the connection which is restored to the connection configuration between UE and source base station for UE before UE is WD relaying configures.

728, the first RRC that UE receives that source base station is sent links reconfiguration.

729, UE is linked according to the first RRC and is reconfigured, and disconnects the connection with WD, deletes the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID.

Wherein, after the first RRC that UE receives source base station transmission links reconfiguration, UE can link the instruction information for including in reconfiguration according to the first RRC, disconnect the connection with WD, and delete the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID.In addition, UE can also link the configuration parameter for including in reconfiguration according to the first RRC, itself connection configuration between source base station is restored to itself and is configured for the connection before WD relaying.

730, UE sends RRC link reconfiguration to source base station and completes.

Wherein, it is linked and is reconfigured according to the first RRC in UE, it is disconnected the connection with WD, after deleting the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID, UE can send RRC link reconfiguration to source base station and complete (RRC Connection Reconfiguration Complete).

731, the RRC link reconfiguration that source base station receives that UE is sent is completed.

Wherein, source base station can discharge side link resources after the RRC link reconfiguration for receiving UE transmission is completed.

It should be noted that, in the embodiment of the present invention specific descriptions of step 701- step 731 with the specific descriptions of corresponding steps are similar in step 501- step 537 in another embodiment of the present invention, can be with reference to the specific descriptions of corresponding steps in step 501- step 537 in another embodiment for specifically describing for step 701- step 731 in the embodiment of the present invention, this is no longer going to repeat them for the embodiment of the present invention.

Motion management method provided in an embodiment of the present invention, source base station can determine that WD need to be switched over according to the second measurement report received, and the signal quality obtained according to WD indicates to determine that WD need to be individually switched, and it can be in the cell for determining that WD need to be individually switched, it that is include the second switching request of the context of WD to the second target BS corresponding with second Target cell transmission after the second Target cell.Since WD is carried out When being individually switched, the operation being directly connected to be converted to source base station will be indirectly connected with source base station without executing, therefore the problem of the electric quantity consumption for solving WD is serious, and the processing load of network side aggravates.

Fig. 8 is the flow chart of another motion management method provided in an embodiment of the present invention, network is connected indirectly to by UE in WD (wherein UE and WD is currently resident in same cell), it is directly connected to simultaneously with network, and WD currently there is business transmitting scene under, if UE and WD are moved together, then it is likely to occur the case where current persistent district is unable to satisfy the business demand of UE, at this time, in order to guarantee the business continuance of UE, UE, which can be switched to another, can satisfy the cell of its business demand, continue as UE offer service will pass through the cell.As shown in figure 8, this method may include:

801, source base station sends the first measurement control signaling to UE.

802, UE receives the first measurement control signaling that source base station is sent.

803, UE sends the first measurement report to source base station.

Wherein, after UE receives the first measurement control signaling of source base station transmission, if UE is moved, then can the signal quality of the first neighboring community of each of signal quality to current persistent district and first neighboring community's group measure, and judge whether the signal quality of current persistent district meets current business demand according to the first measurement thresholding for including in the first measurement control signaling received, judge whether the signal quality of each first neighboring community meets current business demand according to the second measurement thresholding for including in the first measurement control signaling, when UE determines the signal quality of current persistent district lower than the first measurement thresholding, show that the signal quality of current persistent district is unable to satisfy current business demand, and determine that being higher than second there are the signal quality of the first neighboring community in first neighboring community's group surveys Thresholding is measured, that is, when showing that the signal quality there are the first neighboring community can satisfy current business demand, UE can send the first measurement report to source base station.

In the first possible implementation, it may include: SLI in first measurement report, the signal quality and mark, side chain of the first neighboring community of each of the signal quality of the current persistent district that UE measurement obtains, third neighboring community group meet signal strength, Yi Ji One instruction；It in the second possible implementation, may include: SLI in first measurement report, the signal quality and mark of the first neighboring community of each of the signal quality of the current persistent district that UE measurement obtains, third neighboring community group and the second instruction.

It should be noted that, the specific descriptions of parameter for including in the specific descriptions for the parameter for including in first measurement report and the first measurement report in step 503 in another embodiment of the present invention are similar, can be with reference to the specific descriptions in another embodiment of the present invention step 503 to the relevant parameter for including in the first measurement report for the specifically describing for parameter for including in the first measurement report, this is no longer going to repeat them for the embodiment of the present invention.

When including that side chain connects signal strength and the first instruction in first measurement report, illustratively, assuming that the side chain that UE includes into the first measurement report that source base station is sent connects signal strength lower than threshold value, first is designated as 1, the two is used to refer to the signal quality situation that the side chain between UE and WD connects and is unsatisfactory for the condition switched jointly, and the signal quality situation connect according to the side chain between UE and WD is unsatisfactory for the condition switched jointly, determines that UE is individually switched.

When in first measurement report including the second instruction, illustratively, assuming that UE include into the first measurement report that source base station is sent second be designated as 11, the signal quality that i.e. side chain connects is lower than threshold value, and the signal quality that side chain connects is being deteriorated, the signal quality situation that the side chain being used to refer between UE and WD connects is unsatisfactory for the condition switched jointly.

804, source base station receives the first measurement report that UE is sent.

805, source base station determines that UE is individually switched according to the first measurement report, and deletes the incidence relation between UE and WD, and distributes new DRB related resource for WD, and determine Target cell.

Wherein, Target cell refers to the neighboring community for the current persistent district that UE needs to be individually switched.The first possible implementation corresponding to the first measurement report in step 803, after the first measurement report that source base station receives UE transmission, source base station may determine that whether the signal quality for the current persistent district that the UE measurement for including in the first measurement report obtains is lower than the first measurement thresholding, and judge whether the signal quality of the first neighboring community of each of the third neighboring community group for including in the first measurement report is higher than the second measurement thresholding, then the signal quality of the current persistent district obtained according to judgement is lower than the first measurement thresholding The signal quality of the first neighboring community of each of third neighboring community group is higher than the second measurement thresholding, determine that UE needs switch over, and source base station can connect signal strength and the first instruction according to the side chain for including in the first measurement report, whether the signal quality situation for judging that the side chain between UE and WD connects meets the condition switched jointly, whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.Illustratively, according to the example in step 803, source base station can connect signal strength lower than threshold value according to the side chain for including in the first measurement report, first is designated as 1, the signal quality situation for determining that the side chain between UE and WD connects is unsatisfactory for the condition switched jointly, at this point, source base station can be unsatisfactory for the condition switched jointly according to the signal quality situation that the side chain between obtained UE and WD connects, determine that UE is individually switched.

Second of possible implementation corresponding to the first measurement report in step 803, after the first measurement report that source base station receives UE transmission, source base station may determine that whether the signal quality for the current persistent district that the UE measurement for including in the first measurement report obtains is lower than the first measurement thresholding, and judge whether the signal quality of the first neighboring community of each of the third neighboring community group for including in the first measurement report is higher than the second measurement thresholding, then the signal quality of the current persistent district obtained according to judgement is lower than the first measurement thresholding, the signal quality of the first neighboring community of each of third neighboring community group is higher than the second measurement thresholding, determine that UE needs switch over, and source base station can be according to the second instruction for including in the first measurement report, judge the signal quality feelings that the side chain between UE and WD connects Whether condition meets the condition switched jointly, and whether the signal quality situation so as to be connect according to the side chain between UE and WD meets the condition switched jointly, determines whether UE and WD needs to be switched jointly.Illustratively, according to the example in step 803, source base station can be designated as 11 according to include in the first measurement report second, the signal quality that i.e. side chain connects is lower than threshold value, the signal quality that side chain connects is being deteriorated, and the signal quality situation for determining that the side chain between UE and WD connects is unsatisfactory for the condition switched jointly, at this time, source base station can be unsatisfactory for the condition switched jointly according to the signal quality situation that the side chain between obtained UE and WD connects, and determine that UE is individually switched.

After source base station determines that UE is individually switched according to the second measurement report, Source base station can determine that the side chain for needing to indicate that UE and WD is disconnected between the two connects, and further, source base station, which determines, to be needed to send an instruction information to UE and WD respectively, be used to indicate the side chain disconnected between UE and WD and connect.And source base station can delete the incidence relation of UE and WD, the corresponding relationship of the SLI, L2 ID, the corresponding relationship of SLI and L2 ID and SLI the and RB ID that include in the specific context to delete UE, and in the context of UE the WD (WD is the equipment for receiving UE relaying) ID, the ID of the UE (UE is that the equipment of relay services is provided for WD) in the context of WD can also be deleted.Source base station can also distribute new DRB related resource for WD, and according to the signal quality and mark of the first neighboring community of each of the third neighboring community group for including in the first measurement report, the best neighboring community of signal quality that UE measurement obtains is selected from third neighboring community group as Target cell, in order to which the Target cell is individually switched in UE.

806, source base station sends the first switching request to target BS corresponding with Target cell.

Wherein, in source base station according to the first measurement report, determine that UE is individually switched, and delete the incidence relation of UE and WD, and new DRB relevant configuration is assigned with for WD, and after determining Target cell, source base station can send the first switching request to target BS corresponding with Target cell by X2 interface, it may include: the context of UE in first switching request, may include the first RRC context in the context of UE.

807, target BS receives the first switching request that source base station is sent.

808, target BS distributes the resource of access-in resource and transmission services data according to the first switching request.

Wherein, due to there is no the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID in the context for the UE for including in the first switching request, therefore after the first switching request that target BS receives source base station transmission, target BS can be determined this time to be switched to being individually switched for UE, and access-in resource can be distributed, access-in resource may include: first identifier and the first lead code, and the resource distributed and reserve transmission services data can be individually switched for UE according to the context for the UE for including in the first switching request in target BS.

809, target BS sends the first Handover Request Acknowledge to source base station.

It wherein, may include the first switching command in the first Handover Request Acknowledge, this first is cut Change may include first identifier, the first lead code in order.

810, source base station receives the first Handover Request Acknowledge that target BS is sent.

811, source base station sends the first RRC link reconfiguration to UE.

Wherein, after the first Handover Request Acknowledge that source base station receives target BS transmission, carried along link in reconfiguration in the first RRC of instruction information described in the first switching command and step 805 that include in first Handover Request Acknowledge can be sent to UE by source base station.

812, the first RRC that UE receives that source base station is sent links reconfiguration.

813, source base station sends the 2nd RRC link reconfiguration to WD.

Wherein, source base station, which can carry the instruction information described in step 805, is sent to WD in the 2nd RRC link reconfiguration.

814, the 2nd RRC that WD receives that source base station is sent links reconfiguration.

It should be noted that, in embodiments of the present invention, step 811- step 812, the no precedence relationship of execution with step 813- step 814, executing the step after 810, step 811- step 812 can be first carried out, then executes step 813- step 814 again, or, step 813- step 814 can also be first carried out, then step 811- step 812 is executed again, and the embodiment of the present invention, to step 811- step 812, is not particularly limited at this with the execution sequence of step 813- step 814.

815, WD is linked according to the 2nd RRC and is reconfigured, and disconnects the connection with UE, and delete the corresponding relationship of EBI and SLI, and establish the DRB between WD and source base station.

Wherein, after the 2nd RRC that WD receives source base station transmission links reconfiguration, WD can link the instruction information for including in reconfiguration according to the 2nd RRC, disconnect the connection with UE, and delete the corresponding relationship of EBI and SLI.In addition, WD can also be according to the new DRB related resource in step 805 being WD distribution (the new DRB related resource in step 805 for WD distribution can be carried in the 2nd RRC connection reconfiguration by source base station is sent to WD), the DRB between WD and source base station is established, so that the connection connection configuration between WD and source base station being restored to before WD receives UE relaying configures.

816, WD sends RRC link reconfiguration to source base station and completes.

Wherein, it is linked and is reconfigured according to the 2nd RRC in WD, be disconnected the connection with UE, and delete the corresponding relationship of EBI and SLI, and establish the DRB between WD and source base station Later, WD can send RRC link reconfiguration to source base station and complete.

817, the RRC link reconfiguration that source base station receives that WD is sent is completed.

Wherein, source base station can discharge side link resources after the RRC link reconfiguration for receiving WD transmission is completed.

818, UE links the connection of reconfiguration disconnection and WD according to the first RRC, deletes the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID, and disconnect the connection with source base station, and access target BS.

Wherein, it is executing the step after 812, i.e. after UE receives the first RRC link reconfiguration of source base station transmission, UE can link the instruction information for including in reconfiguration according to the first RRC, disconnect the connection with WD, and delete the corresponding relationship of SLI and L2 ID and the corresponding relationship of SLI and RB ID, and it can be according to the connection of the first switching command disconnection and source base station, it is synchronized with target BS, and target BS is accessed according to the first lead code for including in the first switching command, and first identifier is carried when accessing target BS, in order to which target BS determines that access target BS is UE according to first identifier, and according to the context for the UE for including in the first switching request, establish being directly connected to for target BS and UE.

819, UE sends the first switching confirmation to target BS.

820, target BS receives the first switching confirmation that UE is sent.

After executing the step 801- step 820, success has been established in the upstream data channel of UE and target BS, but downlink data channel is not yet established, downlink data just can only be sent to target BS by source base station by S-GW, so that downlink data is sent to UE by target BS, at this point, following steps 821- step 831 can be executed in order to enable downlink data directly can be sent to target BS by SGW:

821, target BS sends first path convert requests to MME.

Wherein, confirmed in target BS according to the first switching received, determine that UE is successfully switched to after Target cell, target BS can send the path integration request of UE to MME, that is first path convert requests may include: TEID, EBI, UE ID of the S1-U for needing to modify and directapath conversion instruction in the first path convert requests.Directapath conversion instruction is used to that MME, UE is notified to disconnect the connection with WD.

822, MME receives the first path convert requests that target BS is sent.

823, MME deletes the UE ID in the context of the WD ID and WD in the context of UE according to first path convert requests.

Wherein, after the first path convert requests that MME receives target BS transmission, MME can be according to the directapath conversion instruction for including in first path convert requests, the ID for deleting the WD (WD is the equipment for receiving UE relaying) in the context of UE, can also delete the ID of the UE (UE is that the equipment of relay services is provided for WD) in the context of WD.

824, MME sends modification carrying request to S-GW according to first path convert requests.

It wherein, may include: the EBI of TEID and the S1-U for needing to modify in modification carrying request.In MME according to first path convert requests, delete the WD ID in the context of UE, and after the UE ID in the context of WD, MME, which can carry the EBI of the TEID and needs for including in first path the switching request S1-U modified, is sent to S-GW in modification carrying request.

825, the modification that S-GW receives that MME is sent carries request, and carries request modification carrying according to modification.

Wherein, after S-GW receives the modification carrying request of MME transmission, it can be according to the TEID for including in modification carrying request, determine the downlink data for being sent to UE, target BS is needed to forward, rather than source base station forwards, i.e., when SGW has downlink data that need to be sent to UE, which is sent to target BS.And the modification that S-GW is carried according to the EBI that modification carries the S1-U that the needs for including in request are modified, the physical channel for sending downlink data can specifically be modified, i.e. the first physical channel the channel of downlink data (first physical channel be S-GW to source base station send) can be revised as the second physical channel (second physical channel be S-GW to the channel of target BS transmission downlink data) by S-GW.

826, S-GW sends modification carrying to MME and replys.

827, the modification that MME receives that S-GW is sent, which carries, replys.

828, MME is converted to target BS transmitting path and is confirmed.

829, target BS receives the path integration confirmation that MME is sent.

830, target BS sends Iu release command to source base station.

831, source base station receives the Iu release command that target BS is sent.

Wherein, source base station can discharge the related resource of UE according to Iu release command after the Iu release command for receiving target BS transmission.

It should be noted that, in the embodiment of the present invention specific descriptions of step 801- step 831 with the specific descriptions of corresponding steps are similar in step 501- step 537 in another embodiment of the present invention, can be with reference to the specific descriptions of corresponding steps in step 501- step 537 in another embodiment for specifically describing for step 801- step 831 in the embodiment of the present invention, this is no longer going to repeat them for the embodiment of the present invention.

It is above-mentioned that mainly scheme provided in an embodiment of the present invention is described from the angle of interaction between each network element.It is understood that each network element, such as source base station, target BS and WD are in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module.Those skilled in the art should be readily appreciated that, algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure, and the present invention can be realized with the combining form of hardware or hardware and computer software.Some function is executed in a manner of hardware or computer software driving hardware actually, specific application and design constraint depending on technical solution.Professional technician can use different methods to achieve the described function each specific application, but such implementation should not be considered as beyond the scope of the present invention.

Two or more functions can also be integrated in a processing module source base station, target BS and the WD division for carrying out functional module for example, each functional module of each function division can be corresponded to according to above method example by the embodiment of the present invention.Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module.It should be noted that being schematically that only a kind of logical function partition, there may be another division manner in actual implementation to the division of module in the embodiment of the present invention.

In the case where each function division of use correspondence each functional module, Fig. 9 shows a kind of possible composition schematic diagram of source base station involved in above-mentioned and embodiment, such as Fig. 9 institute Show, which may include: receiving unit 91, determination unit 92, transmission unit 93.

Wherein, receiving unit 91, for supporting source base station to execute the step 403 in motion management method shown in Fig. 4, step 507, step 513, step 537 in motion management method shown in fig. 5, step 607, step 615, step 617, step 641 in motion management method shown in fig. 6, step 704, step 710, step 726, step 731 in motion management method shown in Fig. 7, step 804, step 810, step 817, step 831 in motion management method shown in Fig. 8.

Determination unit 92, for supporting source base station to execute the step 404 in motion management method shown in Fig. 4, step 508 in motion management method shown in fig. 5, step 608 in motion management method shown in fig. 6, the needs of determination WD described in step 705 in motion management method shown in Fig. 7 are individually switched, and determining Target cell, the needs of determination UE described in the step 805 in motion management method shown in Fig. 8 are individually switched, and determine Target cell.

Transmission unit 93, for supporting source base station to execute the step 405 in motion management method shown in Fig. 4, step 501, step 504, step 509, step 514, step 517 in motion management method shown in fig. 5, step 601, step 604, step 609, step 611, step 618, step 621 in motion management method shown in fig. 6, step 701, step 706, step 711, step 727 in motion management method shown in Fig. 7, step 801, step 806, step 811, step 813 in motion management method shown in Fig. 8.

It should be noted that all related contents for each step that above method embodiment is related to can quote the function description of corresponding function module, details are not described herein.

Source base station provided in an embodiment of the present invention for executing above-mentioned motion management method, therefore can achieve effect identical with above-mentioned motion management method.

Using integrated unit, Figure 10 shows the alternatively possible composition schematic diagram of source base station involved in above-described embodiment.As shown in Figure 10, which includes: processing module 1001 and communication module 1002.

Processing module 1001 is for carrying out control management to the movement of source base station, for example, processing module 1001 is used to that source base station to be supported to execute the step 404 in Fig. 4, the step 508 in Fig. 5, Step 608 in Fig. 6, determination WD needs described in the step 705 in Fig. 7 are individually switched, and determine Target cell, and the needs of determination UE described in the step 805 in Fig. 8 are individually switched, and determine Target cell, and/or other processes for techniques described herein.Communication module 1002 is used to support the communication of source base station Yu other network entities, such as between the network entity shown in Fig. 1 or Fig. 3 or the communication of functional module.Such as, communication module 1002 is for supporting source base station to execute the step 403 in Fig. 4, step 405, step 501 in Fig. 5, step 504, step 507, step 509, step 513, step 514, step 517, step 537, step step 601 in Fig. 6, step 604, 607, step 609, step 611, step 615, step 617, step 618, step 621, step 641, step 701 in Fig. 7, step 704, step 706, step 710, step 711, step 726, step 727, step 731, step 801 in Fig. 8, step 804, step 806, step 810, step 811, step 813, step 817, step 831.Source base station can also include memory module 1003, for storing the program code and data of source base station.

Wherein, processing module 1001 can be processor or controller.It, which may be implemented or executes, combines various illustrative logic blocks, module and circuit described in the disclosure of invention.The processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 1002 can be transceiver, transmission circuit or communication interface etc..Memory module 1003 can be memory.

When processing module 1001 is processor, communication module 1002 is transceiver, and when memory module 1003 is memory, source base station involved in the embodiment of the present invention can be source base station shown in Fig. 2.

In the case where each function division of use correspondence each functional module, Figure 11 shows a kind of possible composition schematic diagram of target BS involved in above-mentioned and embodiment, as shown in figure 11, which may include: receiving unit 1101, switch unit 1102.

Wherein, receiving unit 1101, for supporting target BS to execute the step 406 in motion management method shown in Fig. 4, step 510, step 523, step 525, step 535 in motion management method shown in fig. 5, step 610, step 612, step 627, step 629, step 639 in motion management method shown in fig. 6, step 707, step 715, step 724 in motion management method shown in Fig. 7, movement shown in Fig. 8 Step 807, step 820, step 829 in property management method.

Switch unit 1102, for supporting target BS to execute the step 407 in motion management method shown in Fig. 4.

In embodiments of the present invention, further, as shown in figure 12, which can also include: allocation unit 1103, transmission unit 1104.

Allocation unit 1103, for supporting target BS to execute the resource of distribution transmission services data, PC5 radio resource and access-in resource described in the step 511 in motion management method shown in fig. 5, resource, PC5 radio resource and the access-in resource of distribution transmission services data described in step 613 in motion management method shown in fig. 6, step 708 in motion management method shown in Fig. 7, the step 808 in motion management method shown in Fig. 8.

Transmission unit 1104, for supporting target BS to execute step 512, step 528, step 536 in motion management method shown in fig. 5, step 614, step 616, step 632, step 640 in motion management method shown in fig. 6, step 709, step 716, step 725 in motion management method shown in Fig. 7, step 809, step 821, step 830 in motion management method shown in Fig. 8.

Target BS provided in an embodiment of the present invention for executing above-mentioned motion management method, therefore can achieve effect identical with above-mentioned motion management method.

Using integrated unit, Figure 13 shows the alternatively possible composition schematic diagram of target BS involved in above-described embodiment.As shown in figure 13, which includes: processing module 1201 and communication module 1202.

Processing module 1201 is for carrying out control management to the movement of target BS, such as, processing module 1201 is for supporting target BS to execute the resource of distribution transmission services data, PC5 radio resource and access-in resource described in the step 511 in Fig. 5, resource, PC5 radio resource and the access-in resource of distribution transmission services data described in step 613 in motion management method shown in fig. 6, step 708 in motion management method shown in Fig. 7, step 808 in motion management method shown in Fig. 8, and/or it is used for techniques described herein Other processes.Communication module 1202 is used to support the communication of target BS Yu other network entities, such as between the network entity shown in Fig. 1 or Fig. 3 or the communication of functional module.Such as, communication module 1202 is for supporting target BS to execute the step 406 in Fig. 4, step 510, step 512, step 523, step 525, step 528, step 535, step 536 in Fig. 5, step 610, step 612, step 614, step 616, step 627, step 629, step 632, step 639, step 640 in Fig. 6, step 707, step 709, step 715, step 716, step 724, step 725 in Fig. 7, step 807, step 809, step 820, step 821, step 829, step 830 in Fig. 8.Target BS can also include memory module 1203, for storing the program code and data of source base station.

Wherein, processing module 1201 can be processor or controller.It, which may be implemented or executes, combines various illustrative logic blocks, module and circuit described in the disclosure of invention.The processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 1202 can be transceiver, transmission circuit or communication interface etc..Memory module 1203 can be memory.

When processing module 1201 is processor, communication module 1202 is transceiver, and when memory module 1203 is memory, source base station involved in the embodiment of the present invention can be target BS shown in Fig. 2.

In the case where each function division of use correspondence each functional module, Figure 14 shows a kind of possible composition schematic diagram of WD involved in above-mentioned and embodiment, as shown in figure 14, which may include: measuring unit 1301, transmission unit 1302, receiving unit 1303, access unit 1304, updating unit 1305.

Wherein, measuring unit 1301, for supporting WD to execute the step 401 in motion management method shown in Fig. 4.

Transmission unit 1302, for supporting WD to execute the step 402 in motion management method shown in Fig. 4, step 506, step 524 in motion management method shown in fig. 5, step 606, step 628 in motion management method shown in fig. 6, step 703, step 714 in motion management method shown in Fig. 7, the step 816 in motion management method shown in Fig. 8.

Receiving unit 1303, for supporting WD to execute step 504, step 518 in motion management method shown in fig. 5, step 605, step 622 in motion management method shown in fig. 6, step 702, step 712 in motion management method shown in Fig. 7, the step 814 in motion management method shown in Fig. 8.

Access unit 1304, for supporting WD to execute access target BS described in the step 519 in motion management method shown in fig. 5, access target BS described in step 623 in motion management method shown in fig. 6, access target BS described in step 713 in motion management method shown in Fig. 7, access target BS described in the step 818 in motion management method shown in Fig. 8.

Updating unit 1305, the step 625 for supporting WD to execute the step 521 in motion management method shown in fig. 5, in motion management method shown in fig. 6.

In embodiments of the present invention, further, as shown in figure 15, which can also include: switching units 1306, acquiring unit 1307.

Switching units 1306, for supporting WD to execute the connection of disconnection and source base station described in the step 519 in motion management method shown in fig. 5, the connection of disconnection described in step 623 in motion management method shown in fig. 6 and source base station, the connection of disconnection described in step 713 in motion management method shown in Fig. 7 and source base station, disconnect described in the step 815 in motion management method shown in Fig. 8 and the connection of UE, step 818 described in access target BS.

Acquiring unit 1307, for supporting WD executes the acquisition side chain in motion management method shown in figure 5-8 to connect signal strength and the first instruction or the second instruction.

WD provided in an embodiment of the present invention for executing above-mentioned motion management method, therefore can achieve effect identical with above-mentioned motion management method.

Using integrated unit, Figure 16 shows the alternatively possible composition schematic diagram of WD involved in above-described embodiment.As shown in figure 16, which includes: processing module 1401 and communication module 1402.

Processing module 1401 is for carrying out control management to the movement of WD, for example, processing mould Block 1401 is for supporting WD to execute the connection of disconnection and source base station described in the step 401 in Fig. 4, the step 519 in Fig. 5, access target BS, step 521, access target BS, step 625 described in step 623 in Fig. 6, the connection of disconnection described in step 713 in Fig. 7 and source base station, access target BS, access target BS described in disconnection and the connection of UE, step 818 described in step 815 in Fig. 8, and/or other processes for techniques described herein.Communication module 1402 is used to supporting the communication of WD Yu other network entities, for example, with Fig. 1 or Fig. 2 shows network entity between or functional module communication.Such as, communication module 1402 is for supporting WD to execute the step 402 in Fig. 4, step 504, step 506, step 518, step 524 in Fig. 5, step 605, step 606, step 622, step 628 in Fig. 6, step 702, step 703, step 712, step 714 in motion management method shown in Fig. 7, step 814, step 816 in motion management method shown in Fig. 8.WD can also include memory module 1403, for storing the program code and data of source base station.

Wherein, processing module 1401 can be processor or controller.It, which may be implemented or executes, combines various illustrative logic blocks, module and circuit described in the disclosure of invention.The processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 1402 can be transceiver, transmission circuit or communication interface etc..Memory module 1403 can be memory.

When processing module 1401 is processor, communication module 1402 is communication interface, and when memory module 1403 is memory, WD involved in the embodiment of the present invention can be WD shown in Fig. 3.

Through the above description of the embodiments, it is apparent to those skilled in the art that, for convenience and simplicity of description, only the example of the division of the above functional modules, in practical application, it can according to need and be completed by different functional modules above-mentioned function distribution, i.e., the internal structure of device is divided into different functional modules, to complete all or part of the functions described above.

In several embodiments provided herein, it should be understood that disclosed device and method may be implemented in other ways.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the module or unit, only one kind are patrolled Function division is collected, there may be another division manner in actual implementation, such as multiple units or components may be combined or can be integrated into another device, or some features can be ignored or not executed.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, and component shown as a unit can be a physical unit or multiple physical units, it can and it is in one place, or may be distributed over multiple and different places.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

In addition, the functional units in various embodiments of the present invention may be integrated into one processing unit, it is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product, can store in a read/write memory medium.Based on this understanding, substantially all or part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products technical solution of the present invention in other words, the software product is stored in a storage medium, it uses including some instructions so that an equipment (can be single-chip microcontroller, chip etc.) or processor (processor) perform all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned includes: the various media that can store program code such as USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk.

It is described above; only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and anyone skilled in the art is in the technical scope disclosed by the present invention; it can easily think of the change or the replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

A kind of motion management method characterized by comprising

Source base station receives the measurement report that wearable device WD is sent；The WD is directly connected to the source base station, it is used for transmission signaling, and it is indirectly connected with by user equipment (UE) and the source base station, it is used for transmission user face data, it include: the signal quality instruction that the WD is obtained in the measurement report that the WD is sent, the signal quality for the current persistent district that the WD measurement obtains, and the signal quality and mark of at least one neighboring community, the degradating trend of signal quality and the signal quality that the side chain that the signal quality instruction is used to indicate between the WD and the UE connects；

The source base station, lower than the first measurement thresholding, and when determining that the signal quality of each neighboring community is higher than third measurement thresholding, determines that the WD need to switch over operation in the signal quality for determining current persistent district that the WD measurement obtains；

The signal quality instruction that the source base station is obtained according to the WD determines that the WD and UE need to be switched jointly；

The mark for the neighboring community for including in the measurement report that the source base station is sent according to the WD determines first object cell；The first object cell is the cell that the WD and the UE need to be switched to jointly；

The source base station sends the first switching request to first object base station corresponding with the first object cell, it include the first relaying instruction in first switching request, the first relaying instruction is used to indicate the first object base station and executes common switching to the WD and UE.
The method according to claim 1, wherein before the mark for the neighboring community for including in the measurement report that the source base station is sent according to the WD determines first object cell, further includes:

The source base station receives the measurement report that the UE is sent；The measurement report that the UE is sent includes: the signal quality instruction that the UE is obtained, the signal quality for the current persistent district that the UE measurement obtains and the signal quality of at least one neighboring community；

The source base station, lower than the first measurement thresholding, and determines that the signal quality of each neighboring community is high in the signal quality for determining the current persistent district that the UE measurement obtains When the second measurement thresholding, determine that the UE need to switch over operation；

The signal quality instruction that the source base station is obtained according to the WD determines that the WD and UE need to be switched jointly, comprising:

The signal quality instruction that the source base station is obtained according to the WD and the signal quality instruction that the UE is obtained determine that the WD and UE need to be switched jointly.
According to the method for claim 2, it is characterized in that, when being indirectly connected to the WD of the source base station by the UE, there are the measurement reports that when at least two, the UE is sent further include: side link identification SLI, before determining the WD and the UE need to be switched jointly, further includes:

The source base station determines that the WD corresponding with the SLI is the WD that need to switch jointly with the UE from least two WD.
According to the method in claim 2 or 3, which is characterized in that the measurement report that the UE is sent further include: the mark of at least one neighboring community；

The mark for the neighboring community for including in the measurement report that the source base station is sent according to the WD determines first object cell, comprising:

The source base station selects alternative cell group from least one neighboring community for including in the measurement report that at least one neighboring community for including in the measurement report that the WD is sent and the UE are sent, and includes at least one alternative cell in the alternative cell group；

When in the alternative cell group including an alternative cell, which is determined as the first object cell by the source base station；

When in the alternative cell group including at least two alternative cells, the best cell of signal quality that UE measurement described at least two alternative cell obtains is determined as the first object cell by the source base station.
Method according to any of claims 1-4, which is characterized in that

In first switching request further include: the context of the context of the UE and the WD；The context of the context of the UE and the WD are resource and PC5 radio resource needed for the UE and WD distribution accesses the first object base station for the first object base station, and the PC5 radio resource updates the side link resources between the WD and the UE for the WD and UE.
According to the method described in claim 5, it is characterized in that, after the source base station sends the first switching request to first object base station corresponding with the first object cell, further includes:

The source base station receives the first Handover Request Acknowledge that the first object base station is sent；Wherein, first Handover Request Acknowledge includes the second relaying instruction, the first switching command and the second switching command；The second relaying instruction is for notifying that the first Handover Request Acknowledge described in the source base station is the confirmation switched jointly for the UE and WD, first switching command includes resource needed for first object base station described in the UE access and the PC5 radio resource, and second switching command includes resource and the PC5 radio resource needed for the WD accesses the first object base station；

The source base station sends first switching command to the UE, and sends second switching command to the WD.
The method according to claim 1, wherein the method also includes:

The signal quality instruction that the source base station is obtained according to the WD determines that the WD need to be individually switched；

The best cell of signal quality in the neighboring community for including in measurement report that the WD is sent is determined as the second Target cell by the source base station；Second Target cell is the cell that the WD need to be individually switched；

The source base station sends the second switching request to the second target BS corresponding with second Target cell, includes the context of the WD in second switching request.
The method according to the description of claim 7 is characterized in that after the source base station sends the second switching request to the second target BS corresponding with second Target cell, further includes:

The source base station receives the second Handover Request Acknowledge that second target BS is sent；Wherein, second Handover Request Acknowledge includes resource needed for the WD accesses second target BS；

The source base station sends third switching command and instruction information to the WD, and the third switching command includes resource needed for the WD accesses second target BS, and the instruction information is used to indicate the side chain that the WD is disconnected between the UE and connects.
The method according to any one of claim 2-8, which is characterized in that the signal quality instruction that the source base station is obtained according to the WD and the signal quality instruction that the UE is obtained determine that the WD and UE need to be switched jointly, comprising:

The source base station connects signal strength and the first instruction according to the side chain that the WD is obtained, and the UE obtains the side chain and connects signal strength and first instruction, determine that the WD and the UE need to be switched jointly, the side chain connects signal strength for indicating the signal quality that the side chain between the WD and the UE connects, the degradating trend for the signal quality that the side chain that first instruction is used to indicate between the WD and the UE connects；Alternatively,

The second instruction that the source base station is obtained according to the WD, and the UE obtains second instruction, determine that the WD and the UE need to be switched jointly, the degradating trend for the signal quality that the side chain between signal quality and the WD and the UE that the side chain that second instruction is used to indicate between the WD and the UE connects connects.
A kind of motion management method characterized by comprising

Target BS receives the first switching request that source base station is sent, it include the first relaying instruction in first switching request, the first relaying instruction is used to indicate the target BS and executes common switching to wearable device WD and user equipment (UE), the WD is directly connected to the source base station, it is used for transmission signaling, and be indirectly connected with by the UE and the source base station, it is used for transmission user face data；

The target BS executes common switching to the WD and UE according to first switching request.
According to the method for claim 10, it is characterized in that, in first switching request further include: the context of the context of the UE and the WD, the target BS execute common switching to the WD and UE according to first switching request, comprising:

The target BS is multiplexed the context of the UE and the context of the WD, and is resource and PC5 radio resource needed for the UE and WD distribution accesses the target BS according to the context of the context of the UE and the WD；

The target BS sends the first Handover Request Acknowledge to the source base station；Wherein, first Handover Request Acknowledge includes the second relaying instruction, the first switching command and the second switching command；The second relaying instruction is for notifying the first Handover Request Acknowledge described in the source base station to be For the confirmation of the UE and WD switched jointly, first switching command includes resource needed for target BS described in the UE access and the PC5 radio resource, and second switching command includes resource needed for the WD accesses the target BS and the PC5 radio resource.
According to the method described in claim 10, it is characterized by further comprising:

The target BS receives the second switching request that the source base station is sent, and includes the context of the WD in second switching request.
According to the method for claim 12, which is characterized in that after the second switching request that the target BS receives that the source base station is sent, further includes:

Context of the target BS according to the WD, resource needed for carrying out data transmission required Data Radio Bearer DRB resource, and the access target BS with the target BS for WD distribution；

The target BS sends the second Handover Request Acknowledge to the source base station；Wherein, second Handover Request Acknowledge includes resource needed for the WD accesses the target BS.
Method according to claim 12 or 13, which is characterized in that the method also includes:

The target BS sends directapath conversion instruction to mobile management entity MME, and the directapath conversion instruction is for notifying the MME, the side chain that the WD has been disconnected between the UE to connect.
A kind of motion management method characterized by comprising

Wearable device WD measures the signal quality of current persistent district, and measures to the signal quality of at least one neighboring community；The WD is directly connected to source base station, is used for transmission signaling, and be indirectly connected with by user equipment (UE) and the source base station, is used for transmission user face data；

The WD is determining the signal quality of the current persistent district that measurement obtains lower than the first measurement thresholding, and when being higher than third measurement thresholding there are the signal quality of cell in the neighboring community of the current persistent district, and Xiang Suoshu source base station sends measurement report；It wherein, include: the signal quality instruction that the WD is obtained, the signal quality and at least one signal matter of the current persistent district that the WD measurement obtains in the measurement report that the WD is sent Amount is higher than the signal quality and mark of the neighboring community of third measurement thresholding, the degradating trend of signal quality and the signal quality that the side chain that the signal quality instruction is used to indicate between the WD and the UE connects；

The WD receives the second switching command that the source base station is sent, and second switching command includes resource and PC5 radio resource needed for the WD access target BS；

WD resource according to needed for accessing the target BS accesses the target BS, and the side link resources between the WD and the UE are updated according to the PC5 radio resource.
According to the method for claim 15, which is characterized in that after the transmission measurement report to the source base station, further includes:

The WD receives the third switching command that the source base station is sent and instruction information, and the third switching command includes resource needed for the WD accesses the target BS；

WD resource according to needed for accessing the target BS accesses the target BS, and disconnects the side chain between the UE according to the instruction information and connect.
Method according to claim 15 or 16, which is characterized in that before the transmission measurement report to the source base station, further includes:

The WD obtains side chain and connects signal strength and the first instruction, to obtain the signal quality instruction, the side chain connects signal strength for indicating the signal quality that the side chain between the WD and the UE connects, the degradating trend for the signal quality that the side chain that first instruction is used to indicate between the WD and the UE connects；Alternatively,

The WD obtains the second instruction, to obtain the signal quality instruction, the degradating trend for the signal quality that the side chain between signal quality and the WD and the UE that the side chain that second instruction is used to indicate between the WD and the UE connects connects.
A kind of source base station characterized by comprising

Receiving unit, for receiving the measurement report of wearable device WD transmission；The WD is directly connected to the source base station, it is used for transmission signaling, and it is indirectly connected with by user equipment (UE) and the source base station, it is used for transmission user face data, it include: the signal quality instruction that the WD is obtained in the measurement report that the WD is sent, the signal quality of current persistent district and the signal quality of at least one neighboring community and mark that the WD measurement obtains, the letter The degradating trend of signal quality and the signal quality that the side chain that the instruction of number quality is used to indicate between the WD and the UE connects；

Determination unit, for in the signal quality for determining current persistent district that the WD measurement that the receiving unit receives obtains lower than the first measurement thresholding, and when determining that the receiving unit each of receives the signal quality of the neighboring community and is higher than third measurement thresholding, determine that the WD need to switch over operation, the signal quality instruction that the WD received according to the receiving unit is obtained determines that the WD and UE need to be switched jointly, and the mark for the neighboring community in the measurement report that sends of the WD that is received according to the receiving unit including determines first object cell；The first object cell is the cell that the WD and the UE need to be switched to jointly；

Transmission unit, for sending the first switching request to first object base station corresponding with the first object cell that the determination unit is determined, it include the first relaying instruction in first switching request, the first relaying instruction is used to indicate the first object base station and executes common switching to the WD and UE.
Source base station according to claim 18, which is characterized in that

The receiving unit is also used to receive the measurement report that the UE is sent；The measurement report that the UE is sent includes: the signal quality instruction that the UE is obtained, the signal quality for the current persistent district that the UE measurement obtains and the signal quality of at least one neighboring community；

The determination unit, it is also used in the signal quality for determining the current persistent district that the UE measurement that the receiving unit receives obtains lower than the first measurement thresholding, and when determining that the receiving unit each of receives the signal quality of the neighboring community and is higher than the second measurement thresholding, determine that the UE need to switch over operation；

The determination unit determines that the WD and UE need to be switched jointly specifically for the signal quality instruction that the signal quality instruction obtained in the WD received according to the receiving unit and the UE obtain.
Source base station according to claim 19, which is characterized in that when there are the measurement reports that the UE that when at least two, the receiving unit is received is sent by the WD for being indirectly connected to the source base station by the UE further include: side link identification SLI；

The determination unit is also used to determine that the WD corresponding with the SLI is the WD that need to switch jointly with the UE from least two WD.
Source base station described in 9 or 20 according to claim 1, which is characterized in that the measurement report that the UE that the receiving unit receives is sent further include: the mark of at least one neighboring community；

The determination unit, is specifically used for:

From at least one neighboring community for including in the measurement report that at least one neighboring community and the UE for including in the measurement report that the WD that the receiving unit receives is sent are sent, alternative cell group is selected, includes at least one alternative cell in the alternative cell group；

When in the alternative cell group including an alternative cell, which is determined as the first object cell；

When in the alternative cell group including at least two alternative cells, the best cell of signal quality that UE measurement described at least two alternative cell obtains is determined as the first object cell.
Source base station described in any one of 8-21 according to claim 1, which is characterized in that

In first switching request that the transmission unit is sent further include: the context of the context of the UE and the WD；The context of the context of the UE and the WD are resource and PC5 radio resource needed for the UE and WD distribution accesses the first object base station for the first object base station, and the PC5 radio resource updates the side link resources between the WD and the UE for the WD and UE.
Source base station according to claim 22, which is characterized in that

The receiving unit is also used to receive the first Handover Request Acknowledge that the first object base station is sent；Wherein, first Handover Request Acknowledge includes the second relaying instruction, the first switching command and the second switching command；The second relaying instruction is for notifying that the first Handover Request Acknowledge described in the source base station is the confirmation switched jointly for the UE and WD, first switching command includes resource needed for first object base station described in the UE access and the PC5 radio resource, and second switching command includes resource and the PC5 radio resource needed for the WD accesses the first object base station；

The transmission unit is also used to send the institute that the receiving unit receives to the UE The first switching command is stated, and sends second switching command that the receiving unit receives to the WD.
Source base station according to claim 18, which is characterized in that

The determination unit, the signal quality instruction that the WD for being also used to be received according to the receiving unit is obtained determine that the WD need to be individually switched；

The determination unit, the best cell of signal quality is determined as the second Target cell in the neighboring community for including in the measurement report that the WD that is also used to receive the receiving unit is sent；Second Target cell is the cell that the WD need to be individually switched；

The transmission unit, is also used to send the second switching request to the second target BS corresponding with second Target cell that the determination unit is determined, includes the context of the WD in second switching request.
Source base station according to claim 24, which is characterized in that

The receiving unit is also used to receive the second Handover Request Acknowledge that second target BS is sent；Wherein, second Handover Request Acknowledge includes resource needed for the WD accesses second target BS；

The transmission unit, it is also used to send third switching command and instruction information to the WD, the third switching command includes resource needed for the WD that receives of the receiving unit accesses second target BS, and the instruction information is used to indicate the side chain that the WD is disconnected between the UE and connects.
Source base station described in any one of 9-25 according to claim 1, which is characterized in that the determination unit is specifically used for:

Signal strength and the first instruction are connect according to the side chain that the WD is obtained, and the UE obtains the side chain and connects signal strength and first instruction, determine that the WD and the UE need to be switched jointly, the side chain connects signal strength for indicating the signal quality that the side chain between the WD and the UE connects, the degradating trend for the signal quality that the side chain that first instruction is used to indicate between the WD and the UE connects；Alternatively,

Obtain second instruction according to the WD the second instruction obtained and the UE, determine that the WD and the UE need to be switched jointly, the signal quality and the WD and UE that the side chain that is used to indicate between the WD and the UE of the second instruction connects it Between the degradating trend of signal quality that connects of side chain.
A kind of target BS characterized by comprising

Receiving unit, for receiving the first switching request of source base station transmission, it include the first relaying instruction in first switching request, the first relaying instruction is used to indicate the target BS and executes common switching to wearable device WD and user equipment (UE), the WD is directly connected to the source base station, it is used for transmission signaling, and is indirectly connected with by the UE and the source base station, user face data is used for transmission；

Switch unit, first switching request for being received according to the receiving unit execute common switching to the WD and UE.
Target BS according to claim 27, which is characterized in that in received first switching request of receiving unit further include: the context of the context of the UE and the WD, the switch unit are specifically used for:

It is multiplexed the context for the UE that the receiving unit receives and the context of the WD, and is resource and PC5 radio resource needed for the UE and WD distribution accesses the target BS according to the context of the context of the UE and the WD；

The first Handover Request Acknowledge is sent to the source base station；Wherein, first Handover Request Acknowledge includes the second relaying instruction, the first switching command and the second switching command；The second relaying instruction is for notifying that the first Handover Request Acknowledge described in the source base station is the confirmation switched jointly for the UE and WD, first switching command includes resource needed for target BS described in the UE access and the PC5 radio resource, and second switching command includes resource needed for the WD accesses the target BS and the PC5 radio resource.
Target BS according to claim 27, which is characterized in that

The receiving unit, is also used to receive the second switching request that the source base station is sent, and includes the context of the WD in second switching request.
Target BS according to claim 29, which is characterized in that further include:

Allocation unit, the context of the WD for being received according to the receiving unit, resource needed for carrying out data transmission required Data Radio Bearer DRB resource, and the access target BS with the target BS for WD distribution；

Transmission unit, for sending the second Handover Request Acknowledge to the source base station；Wherein, institute State resource needed for the WD that the second Handover Request Acknowledge includes the allocation unit distribution accesses the target BS.
The target BS according to claim 29 or 30, which is characterized in that

The transmission unit is also used to send directapath conversion instruction to mobile management entity MME, and the directapath conversion instruction is for notifying the MME, the side chain that the WD has been disconnected between the UE to connect.
A kind of wearable device WD characterized by comprising

Measuring unit is measured for the signal quality to current persistent district, and is measured to the signal quality of at least one neighboring community；The WD is directly connected to source base station, is used for transmission signaling, and be indirectly connected with by user equipment (UE) and the source base station, is used for transmission user face data；

Transmission unit, for in the signal quality for determining the current persistent district that the measuring unit measurement obtains lower than the first measurement thresholding, and when being higher than third measurement thresholding there are the signal quality of cell in the neighboring community of the current persistent district, Xiang Suoshu source base station sends measurement report；Wherein, it include: the signal quality instruction that the WD is obtained in the measurement report that the WD is sent, the signal quality for the current persistent district that the measuring unit measurement obtains, and at least one signal quality is higher than the signal quality and mark of the neighboring community of third measurement thresholding, the degradating trend of signal quality and the signal quality that the side chain that the signal quality instruction is used to indicate between the WD and the UE connects；

Receiving unit, the second switching command sent for receiving the source base station, second switching command includes resource and PC5 radio resource needed for the WD accesses the target BS；

Access unit, resource needed for accessing the target BS for what is received according to the receiving unit access the target BS；

Updating unit, the PC5 radio resource for being received according to the receiving unit update the side link resources between the WD and the UE.
WD according to claim 32, which is characterized in that further include: switching units；

The receiving unit is also used to receive third switching command and refer to that the source base station is sent Show information, the third switching command includes resource needed for the WD accesses the target BS；

The access unit is also used to the resource according to needed for the access target BS that the receiving unit receives and accesses the target BS；

The switching units, the side chain that the instruction information for being received according to the receiving unit disconnects between the UE connect.
The WD according to claim 32 or 33, which is characterized in that further include: acquiring unit is used for:

It obtains side chain and connects signal strength and the first instruction, to obtain the signal quality instruction, the side chain connects signal strength for indicating the signal quality that the side chain between the WD and the UE connects, the degradating trend for the signal quality that the side chain that first instruction is used to indicate between the WD and the UE connects；Alternatively,

The second instruction is obtained, to obtain the signal quality instruction, the degradating trend for the signal quality that the side chain between signal quality and the WD and the UE that the side chain that second instruction is used to indicate between the WD and the UE connects connects.
A kind of source base station characterized by comprising processor, memory and transceiver；

The memory is for storing computer executed instructions, when source base station operation, the processor executes the computer executed instructions of the memory storage, so that the source base station executes motion management method as described in any one of claims 1-9.
A kind of target BS characterized by comprising processor, memory and transceiver；

The memory is for storing computer executed instructions, when target BS operation, the processor executes the computer executed instructions of the memory storage, so that the target BS executes the motion management method as described in claim 10-14 any one.
A kind of wearable device WD characterized by comprising processor, memory and transceiver；

The memory is for storing computer executed instructions, and when WD operation, the processor executes the computer executed instructions of the memory storage, so that the WD executes the motion management method as described in claim 15-17 any one.