CN108271228A

CN108271228A - A kind of method and apparatus switched over

Info

Publication number: CN108271228A
Application number: CN201710005690.3A
Authority: CN
Inventors: 许芳丽; 陈瑞卡
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2017-01-04
Filing date: 2017-01-04
Publication date: 2018-07-10
Anticipated expiration: 2037-01-04
Also published as: CN108271228B

Abstract

The present embodiments relate to wireless communication technology field, more particularly to a kind of method and apparatus switched over, to solve the problems, such as that handover mechanism of the prior art can not ensure the transmission success rate of switching command.Network side equipment of the embodiment of the present invention includes the first switching command of at least one cell information to terminal transmission；Cell information is selected in cell information according to the communication quality of the terminal from notice to the terminal；Cell information in first switching command for the terminal being notified to be selected according to the network side equipment by the second switching command carries out cell switching.Since cell information is first sent to terminal by the embodiment of the present invention, only needs to notify which cell information terminal network side selects in switching, so as to reduce the length of switching command, improve the transmission success rate of switching command.

Description

A kind of method and apparatus switched over

Technical field

The present invention relates to wireless communication technology field, more particularly to a kind of method and apparatus switched over.

Background technology

Super-intensive networking is a trend of future mobile communication system development, in super-intensive networking, for reality Now to the Unified Control Plane management of a large amount of distributed processing nodes, need area protocol function carrying out centralized processing.In this way The double-layer structure of centralized processing node and distributed processing node is formed, distributed processing node is also referred to as TRP (Transmission Reception Point transmit and receive node), centralized processing node also becomes CU (Central Unit focuses on node) or NR eNB (New RAT eNB, new access technology base station).

For focusing on node, according to function difference, the control plane of centralized processing node can also be further divided into With the user plane of centralized processing node.

In current LTE (Long Term Evolution, long term evolution) handover mechanism, network side generally can wait until UE (eventually End, also referred to as user equipment) enter switching band in transmission switching command.Since switching command length is larger, in channel matter When measuring bad switching command send success rate it is difficult to ensure that.If it is reconstructed into one after UE is in handover failure simultaneously in itself not having The base station of UE contexts for having UE contexts and being also in no position to take possession of, can lead to reconstruction failure, and UE can only re-initiate RRC (Radio Resource Control, wireless heterogeneous networks) it connects and establishes process, so as to influence connected state movement continuity.

It is very big for New RAT cell ranges, and be made of multiple TRP, when UE is switched to from Cell1 the position of Cell2, It needs to do the detection of beam again after Target cell is switched to, Target cell is then accessed by the beam again, can be increased in this way Handover delay, and the process switched is more complicated.

In conclusion there are two problems for the prior art：

1st, since the length of switching command is bigger under current handover mechanism, so the hair for ensureing switching command can not be sent Send success rate.

2nd, handover delay is long under current handover mechanism and handoff procedure is more complicated.

Invention content

The first method and apparatus for switching over provided by the invention, to solve handover mechanism of the prior art without Method ensures the problem of transmission success rate of switching command；

A kind of method switched over provided in an embodiment of the present invention, this method include：

Network side equipment includes the first switching command of at least one cell information to terminal transmission；

The network side equipment is selected according in cell information of the communication quality of the terminal from notice to the terminal Cell information；

The network side equipment notifies the institute that the terminal selects according to the network side equipment by the second switching command The cell information stated in the first switching command carries out cell switching.

Optionally, the cell information includes part or all of in following message：

The configuration information of cell, the configuration information of cell TRP, cell Beam configuration information.

Optionally, the network side equipment notifies the terminal to be selected according to the network side equipment by the second switching command Cell information in first switching command selected carries out cell switching, including：

The network side equipment carries part or all of in following message in second switching command：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.

Optionally, the network side equipment according to the communication quality of the terminal from notice to the cell information of the terminal Middle selection cell information, including：

In the part or all of cell information from notice to the terminal of the network side equipment in following message Select cell information；

The L1 channel qualities that the terminal is sent report the uplink reference signals quality information, described of information, the terminal The location information of terminal.

Terminal receives the first switching command for including at least one cell information that network side equipment is sent；

The second switching command that the terminal is sent according to the network side equipment received, from first switching command Comprising at least one alternative cell information in determine the cell information of network side equipment notice；

The terminal carries out cell switching according to the determining cell information.

Optionally, it after the terminal carries out cell switching according to the determining cell information, further includes：

If cell handover failure, the terminal removes what the network side equipment notified from what first switching command included A cell information is selected in other cell informations except cell information, and cell is carried out according to the cell information of selection and is cut It changes；Or

If cell handover failure, the terminal initiates RRC connection re-establishment processes.

Optionally, it after the terminal carries out cell switching according to the cell information of selection, further includes：

Optionally, it before the terminal initiates RRC connection re-establishment processes, further includes：

The terminal improves the priority of the corresponding at least one cell of cell information that first switching command includes.

Optionally, the cell information notified except the network side equipment that the terminal is included from first switching command Except other cell informations in select a cell information, including：

The terminal according to the signal quality of cell, from first switching command include except the network side equipment leads to A cell information is selected in other cell informations except the cell information known.

A kind of network side equipment switched over provided in an embodiment of the present invention, the network side equipment include：

Sending module, for including the first switching command of at least one cell information to terminal transmission；

Selecting module is small from notifying to select in the cell information to the terminal for the communication quality according to the terminal Area's information；

Notification module notifies the terminal according to network side equipment selection for passing through the second switching command Cell information in first switching command carries out cell switching.

Optionally, the notification module is specifically used for：

It is carried in second switching command part or all of in following message：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.

Optionally, the selecting module is specifically used for：

Cell information is selected in the part or all of cell information from notice to the terminal in following message；

A kind of terminal switched over provided in an embodiment of the present invention, the terminal include：

Receiving module, for receiving the first switching command for including at least one cell information of network side equipment transmission；

Determining module for the second switching command sent according to the network side equipment received, is cut from described first It changes at least one alternative cell information that order includes and determines the cell information of the network side equipment notice；

Processing module, for carrying out cell switching according to the determining cell information.

Optionally, the processing module is additionally operable to：

If cell handover failure, from first switching command include except the network side equipment notice cell information Except other cell informations in select a cell information, and according to the cell information of selection carry out cell switching；Or

If cell handover failure, RRC connection re-establishment processes are initiated.

Optionally, the processing module is additionally operable to：

After improving the priority of the corresponding at least one cell of cell information that first switching command includes, initiate RRC connection re-establishment processes.

Optionally, the processing module is specifically used for：

According to the signal quality of cell, the cell notified except the network side equipment included from first switching command A cell information is selected in other cell informations except information.

Network side equipment of the embodiment of the present invention includes the first switching command of at least one cell information to terminal transmission；Root According to the communication quality of the terminal cell information is selected from cell information of the notice to the terminal；Pass through the second switching command The cell information in first switching command that the terminal selected according to the network side equipment is notified to carry out cell Switching.Since cell information is first sent to terminal by the embodiment of the present invention, only need to notify the selection of terminal network side in switching Which cell information so as to reduce the length of switching command, improves the transmission success rate of switching command.

The second provided by the invention method and apparatus switched over, to solve handover delay ratio of the prior art The problem of longer and handoff procedure is more complicated.

Network side equipment determines the configuration information of at least one Beam of the Target cell of terminal；

The network side equipment sends the switching command of the configuration information comprising at least one Beam to the terminal, So that the terminal carries out cell switching according to the configuration information of at least one Beam.

Optionally, the network side equipment determines the configuration information of at least one Beam of the Target cell of terminal, including：

Part in L1 metrical informations, L2 metrical informations and L3 metrical informations that the network side equipment is reported according to terminal Or whole metrical informations, determine the configuration information of at least one Beam of the Target cell of terminal.

Optionally, the L3 metrical informations are determined according to the RRC measurement reports from the terminal；

Wherein, the RRC measurement reports include the beam that at least one signal quality of cell is met the requirements.

Optionally, the configuration information of the Beam is included at least for the relevant information of terminal access beam.

Terminal receives the switching command for including the configuration information of at least one Beam in switching target small area；

The terminal carries out cell switching according to the configuration information of at least one Beam.

Optionally, the terminal carries out cell switching according to the configuration information of at least one Beam, including：

If the switching command includes the configuration information of a Beam, the terminal includes according to the switching command The configuration information of Beam carries out cell switching；Or

If the switching command includes the configuration information of multiple Beam, the terminal is from the configuration information of the multiple Beam Middle selection one, and cell switching is carried out according to the configuration information of the Beam of selection.

Optionally, the terminal selects one from the configuration information of the multiple Beam, including：

The terminal preferentially selects matching for the target Beam in the configuration information of multiple Beam that the switching command includes Confidence ceases；Or

The terminal selects one according to the priority of Beam from the configuration information of the multiple Beam.

Optionally, it after the terminal carries out cell switching according to the configuration information of at least one Beam, further includes：

If cell handover failure, and the switching command includes the configuration information of Beam, the terminal is from the mesh A Beam, and matching according to the Beam of selection are selected in Beam in addition to marking the Beam included except the switching command of cell Confidence breath carries out cell switching；Or

If cell handover failure, and the switching command includes the configuration information of multiple Beam, the terminal is cut from described It changes and one is selected in the configuration information in addition to the configuration information of the Beam of selection that order includes, and according to the Beam's of selection Configuration information carries out cell switching.

Optionally, this method further includes：

If cell does not switch successfully before switch overtime, after timer expiry, the terminal initiates RRC Connection re-establishment process.

Information determination module, for determining the configuration information of at least one Beam of the Target cell of terminal；

Order sending module is ordered for sending the switching of the configuration information comprising at least one Beam to the terminal It enables, so that the terminal carries out cell switching according to the configuration information of at least one Beam.

Optionally, described information determining module is specifically used for：

Part or all of measure in the L1 metrical informations, L2 metrical informations and the L3 metrical informations that are reported according to terminal is believed Breath determines the configuration information of at least one Beam of the Target cell of terminal.

Order receiver module, for receiving the switching life for including the configuration information of at least one Beam in switching target small area It enables；

Handover module, for carrying out cell switching according to the configuration information of at least one Beam.

Optionally, the handover module is specifically used for：

If the switching command includes the configuration information of a Beam, the Beam's included according to the switching command matches Confidence breath carries out cell switching；Or

If the switching command includes the configuration information of multiple Beam, one is selected from the configuration information of the multiple Beam It is a, and cell switching is carried out according to the configuration information of the Beam of selection.

Optionally, the handover module is specifically used for：

Preferentially select the configuration information of the target Beam in the configuration information of multiple Beam that the switching command includes；Or

According to the priority of Beam, one is selected from the configuration information of the multiple Beam.

Optionally, the handover module is additionally operable to：

If cell handover failure, and the switching command includes the configuration information of a Beam, from the Target cell Select a Beam in Beam in addition to the Beam that the switching command includes, and according to the configuration information of the Beam of selection into Row cell switches；Or

If cell handover failure, and the switching command includes the configuration information of multiple Beam, from the switching command packet One, and the configuration information of the Beam according to selection are selected in the configuration information in addition to the configuration information of the Beam of selection included Carry out cell switching.

Optionally, the handover module is additionally operable to：

If cell does not switch successfully before switch overtime, after timer expiry, RRC connection reconstructions are initiated Vertical process.

Network side equipment of the embodiment of the present invention sends the configuration information comprising at least one Beam to the terminal Switching command, the terminal carry out cell switching according to the configuration information of at least one Beam.Since terminal is in switching life The configuration information of at least one Beam can be known in order, does not need to do the detection of beam when switching over again, so as to contract Short handover delay reduces the complexity of handoff procedure.

Description of the drawings

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings His attached drawing.

Fig. 1 system structure diagrams that the first is switched over for the embodiment of the present invention；

Fig. 2 is the structure diagram of the first network side equipment of the embodiment of the present invention；

Fig. 3 is the structure diagram of the first terminal of the embodiment of the present invention；

Fig. 4 is the structure diagram of second of network side equipment of the embodiment of the present invention；

Fig. 5 is the structure diagram of second of terminal of the embodiment of the present invention；

Fig. 6 is the method flow schematic diagram that the first network side equipment auxiliary terminal of the embodiment of the present invention switches over；

Fig. 7 is the method flow schematic diagram that the first terminal of the embodiment of the present invention switches over；

Fig. 8 is the method flow schematic diagram of the first two step handover success of the embodiment of the present invention；

Fig. 9 is the successful method flow schematic diagram of the first two step handover failure rollback of the embodiment of the present invention；

Figure 10 is the method flow schematic diagram of the first two step handover failure connection reconstruction of the embodiment of the present invention；

Figure 11 is the method flow schematic diagram that second liang of step of the embodiment of the present invention switches successfully；

Figure 12 is second liang of successful method flow schematic diagram of step handover failure rollback of the embodiment of the present invention；

Figure 13 is the method flow schematic diagram of second liang of step handover failure connection reconstruction of the embodiment of the present invention；

Figure 14 is second of system structure diagram switched over of the embodiment of the present invention；

Figure 15 is the structure diagram of the third network side equipment of the embodiment of the present invention；

Figure 16 is the structure diagram of the third terminal of the embodiment of the present invention；

Figure 17 is the structure diagram of the 4th kind of network side equipment of the embodiment of the present invention；

Figure 18 is the structure diagram of the 4th kind of terminal of the embodiment of the present invention；

Figure 19 is the method flow schematic diagram that second of network side equipment of the embodiment of the present invention assists that terminal switches over；

Figure 20 is the method flow schematic diagram that second of terminal of the embodiment of the present invention switches over.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work All other embodiment, shall fall within the protection scope of the present invention.

As shown in Figure 1, the system that the embodiment of the present invention switches over includes：Network side equipment 10 and terminal 20.

Network side equipment 10, for including the first switching command of at least one cell information to terminal transmission；According to institute It states in cell information of the communication quality of terminal from notice to the terminal and selects cell information；It is notified by the second switching command Cell information in first switching command that the terminal is selected according to the network side equipment carries out cell switching.

Terminal 20, for receiving the first switching command for including at least one cell information of network side equipment transmission；Root According to the second switching command that the network side equipment received is sent, included from first switching command at least one alternative The cell information of the network side equipment notice is determined in cell information；Cell is carried out according to the determining cell information to cut It changes.

Wherein, the network side equipment of the embodiment of the present invention is corresponding for the Current Serving BTS and/or serving cell of terminal Equipment, such as gNB (next-generation base station) etc..

The cell information of the embodiment of the present invention is the information that terminal can be made to be switched to Target cell, including but not limited under It is part or all of in column information：

The configuration information of cell, the configuration information of cell TRP (transmitting and receiving node), cell Beam (wave beam) match confidence Breath.

The configuration information of cell can include but is not limited to part or all of in following message：Cell ID (mark) is small Area's frequency point, bandwidth of cell, the physical resource channel configuration of the cell level in the cell and system information, business configuration etc..

The configuration information of cell TRP can include but is not limited to part or all of in following message：The TRP ID of cell The corresponding physic channel informations of the TRP and the corresponding access configuration of system information, the TRP.

The configuration information of cell Beam can include but is not limited to part or all of in following message：The relevant ginsengs of beam Examine the relevant channel configuration information of signal, beam, the relevant access configurations of beam.

In force, in order to distinguish different cell informations, network side equipment can also carry in the first switching command The mark of each cell information.

In force, the position or measurement result that the network side equipment can be by UE select multiple cell letters for UE Breath.

For example network side equipment can know the information of the Target cell of the condition of satisfaction based on the measurement report of terminal, meet The cell of condition can be it is multiple, in this case can be with the multiple cells of simultaneous selection.Network side side apparatus can lead to simultaneously It crosses positioning method and knows the position of terminal in the cell, and by surrounding neighboring community alternately switching cell.

After cell information is determined, UE contexts can be sent to the corresponding cell of each cell information by network side equipment.

Optionally, the network side equipment notifies the terminal to be set according to the network side by the second switching command When cell information in first switching command of alternative carries out cell switching, it can carry and appoint in the second switching command Terminal how can be made to know the information of the cell information of network side selection.

Specifically, the second switching command include but not limited to it is part or all of in following message：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.

Wherein, the cell ID of cell is the information for being capable of one cell of unique mark；

The mark of the TRP of cell is to be capable of the information of one TRP of unique mark；

The mark of the Beam of cell is to be capable of the information of one Beam of unique mark.

In force, triggering network side equipment sends the first switching command comprising at least one cell information to terminal Mode has very much.

Such as：Network side equipment can be according to the moving direction of terminal, if it is determined that terminal is currently accessed it is possible that removing Cell, it is possible to triggering send the first switching command.

Also such as：Network side equipment can according to the communication quality of terminal, if the communication quality of terminal be less than first threshold, It can trigger and send the first switching command.

In force, the mode that triggering network side equipment sends the second switching command to terminal has very much.

Such as：Network side equipment can determine that terminal will remove the cell being currently accessed according to the moving direction of terminal, It can trigger and send the second switching command.It is formal for the second time since the embodiment of the present invention needs to send switching command twice The order of switching, so when being triggered according to the moving direction of terminal, in the first switching command as long as thinking that terminal is possibly removed Triggering, the second switching command, which thinks that terminal will remove, can just trigger.

Also such as：Network side equipment can according to the communication quality of terminal, if the communication quality of terminal be less than second threshold, It can trigger and send the second switching command.It is formal for the second time since the embodiment of the present invention needs to send switching command twice The order of switching, thus the ratio that can set of first threshold for the switching command that triggering is sent for the first time use for the second time second Threshold value is high.

Optionally, network side equipment is determining that (i.e. terminal needs formal carry out to needs to the second switching command of terminal transmission Switching) after, cell information can be selected according in cell information of the communication quality of the terminal from notice to the terminal.

Specifically, the network side equipment in following message it is part or all of from notice to the terminal cell Cell information is selected in information.

Wherein, L1 channel qualities report the reference mark that information is beam ranks in terminal-pair downlink cell level or cell It is sent after measuring；

Uplink reference symbol that uplink reference signals quality information, which is network side equipment, to be sent according to terminal and/or pilot tone into Row measures obtained result.

For terminal, the cell information included in switching command is preserved after the first switching command is received, and continue The cell being currently accessed carries out data transmit-receive.

Terminal finds the small of network side equipment selection after the second switching command is received from the cell information of storage later Area's information is switched over according to the cell information that network side equipment selects.

If switched successfully, data transmit-receive is carried out on the beam after terminal cell after handover or switching.

If handover failure, the terminal removes what the network side equipment notified from what first switching command included A cell information is selected in other cell informations except cell information, and cell is carried out according to the cell information of selection and is cut It changes；Or

If cell handover failure, the terminal initiates RRC (Radio Resource Control, wireless heterogeneous networks) even Connect the process of re-establishing.

It is possible to do not have UE contexts that can only carry out RRC connections because rebuilding base station after terminal handover failure in the prior art Process is re-established, so as to have a significant impact to connected state movement continuity；

UE contexts can be sent to the corresponding cell of each cell information by network side equipment of the embodiment of the present invention, if eventually End reselects cell information after handover failure and switches over, and can not have UE contexts can only be into avoid because rebuilding base station Row RRC connection re-establishment processes, and influence connected state and move successional happen.

Here if cell information is the configuration information of cell, terminal can select other that the first switching command includes The cell information of cell carries out cell switching.

If cell information is the configuration information of cell Beam/TRP, and same cell has multiple cell Beam/TRP's Configuration information, then terminal can select that the first switching command includes before handover failure cell in it is different from unsuccessfully switching The configuration information of cell Beam, that is to say, that when switching again or identical cell, but Beam/TRP is different.

In force, it if terminal handover failure is primary, can switch again, RRC connection re-establishments can also be initiated Journey.

If terminal switches and also fails again, RRC connection re-establishment processes can be initiated.

Optionally, terminal initiate RRC connection re-establishment processes before, can improve first switching command include it is small The priority of the corresponding at least one cell of area's information.Due to the cell being directed in the alternative set of switching, corresponding network side is set Can all there are the corresponding contextual informations of the UE, therefore it is successful to re-establish process in standby.Therefore alternative cell is improved here Priority contributes to UE access to the network node for having UE contexts, to ensure RRC connection re-establishments success so as to restore as early as possible Business datum transmitting-receiving is carried out into connected state.

Wherein, terminal can be included when switching again according to the signal quality of cell from first switching command A cell information is selected in other cell informations in addition to the cell information of network side equipment notice.

For example terminal can select the corresponding cell information of the highest cell of cell signal quality；It can also be from cell signal Quality is more than the corresponding cell information of one cell of selection in the cell of threshold value.

As shown in Fig. 2, the first network side equipment of the embodiment of the present invention includes：

Sending module 200, for including the first switching command of at least one cell information to terminal transmission；

Selecting module 201 is selected for the communication quality according to the terminal from cell information of the notice to the terminal Select cell information；

Notification module 202 notifies what the terminal was selected according to the network side equipment for passing through the second switching command Cell information in first switching command carries out cell switching.

Optionally, the notification module 202 is specifically used for：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.

Optionally, the selecting module 201 is specifically used for：

As shown in figure 3, the first terminal of the embodiment of the present invention includes：

Receiving module 300, for receiving the switching life of first comprising at least one cell information of network side equipment transmission It enables；

Determining module 301, for the second switching command sent according to the network side equipment received, from described first The cell information of the network side equipment notice is determined at least one alternative cell information that switching command includes；

Processing module 302, for carrying out cell switching according to the determining cell information.

Optionally, the processing module 302 is additionally operable to：

Optionally, the processing module 302 is specifically used for：

As shown in figure 4, second of network side equipment of the embodiment of the present invention includes：

Processor 401 sends and receives for passing through transceiver 402, and reads the program in memory 404, under execution Row process：

The first switching command of at least one cell information is included to terminal transmission；According to the communication quality of the terminal from It notifies to select cell information in the cell information to the terminal；Notify the terminal according to the net by the second switching command Cell information in first switching command of network side apparatus selection carries out cell switching；

Transceiver 402, for sending and receiving data under the control of processor 401.

Optionally, the processor 401 is specifically used for：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.

Optionally, the processor 401 is specifically used for：

In Fig. 4, bus architecture (being represented with bus 400), bus 400 can include the bus of any number of interconnection And bridge, the memory that bus 400 represents the one or more processors including being represented by processor 401 and memory 404 Various circuits link together.Bus 400 can also be by each of such as peripheral equipment, voltage-stablizer and management circuit or the like Other circuits of kind link together, and these are all it is known in the art, and therefore, it will not be further described herein. Bus interface 403 provides interface between bus 400 and transceiver 402.Transceiver 402 can be an element or Multiple element, such as multiple receivers and transmitter, provide the unit for communicating over a transmission medium with various other devices. The data handled through processor 401 are transmitted on the radio medium by antenna 405, and further, antenna 405 also receives data And transfer data to processor 401.

Processor 401 is responsible for bus 400 and common processing, can also provide various functions, including timing, periphery Interface, voltage adjusting, power management and other control functions.And memory 404 can be used for storage processor 401 and hold Used data during row operation.

Optionally, processor 401 can be CPU (centre buries device), ASIC (AppL1cation Specific Integrated Circuit, application-specific integrated circuit), (Field-Programmable Gate Array, scene can compile FPGA Journey gate array) or CPLD (Complex Programmable Logic Device, Complex Programmable Logic Devices).

As shown in figure 5, second of terminal of the embodiment of the present invention includes：

Processor 501 sends and receives for passing through transceiver 502, reads the program in memory 504, performs following Process：

Receive the first switching command for including at least one cell information that network side equipment is sent；According to receiving The second switching command that network side equipment is sent, at least one alternative cell information included from first switching command really The cell information of the fixed network side equipment notice；Cell switching is carried out according to the determining cell information.

Transceiver 502, for sending and receiving data under the control of processor 501.

Optionally, the processor 501 is additionally operable to：

Optionally, the processor 501 is specifically used for：

In Figure 5, bus architecture (being represented with bus 500), bus 500 can include the bus of any number of interconnection And bridge, the storage that bus 500 represents the one or more processors including being represented by general processor 501 and memory 504 The various circuits of device link together.Bus 500 can also will such as peripheral equipment, voltage-stablizer and management circuit or the like Various other circuits link together, these are all it is known in the art, and therefore, no longer it is further retouched herein It states.Bus interface 503 provides interface between bus 500 and transceiver 502.Transceiver 502 can be an element, can also It is multiple element, such as multiple receivers and transmitter, the list for communicating over a transmission medium with various other devices is provided Member.Such as：Transceiver 502 receives external data from other equipment.Transceiver 502 is used for treated the data of processor 501 It is sent to other equipment.Depending on the property of computing system, user interface 505 can also be provided, for example, keypad, display, Loud speaker, microphone, control stick.

Processor 501 is responsible for bus 500 and common processing, and the general-purpose operating system is run as described in aforementioned.And it deposits Reservoir 504 can be used to store the used data when performing operation of processor 501.

Optionally, processor 501 can be CPU, ASIC, FPGA or CPLD.

Based on same inventive concept, the method switched over is additionally provided in the embodiment of the present invention, since this method corresponds to Equipment be equipment in the first system for switching over of the embodiment of the present invention, and the principle that solves the problems, such as of this method with should Equipment is similar, therefore the implementation of this method may refer to the implementation of equipment, and overlaps will not be repeated.

As shown in fig. 6, the method that first network of embodiment of the present invention side apparatus auxiliary terminal switches over includes：

Step 600, network side equipment include the first switching command of at least one cell information to terminal transmission；

Step 601, the network side equipment are believed according to cell of the communication quality of the terminal from notice to the terminal Cell information is selected in breath；

Step 602, the network side equipment notify the terminal according to the network side equipment by the second switching command Cell information in first switching command of selection carries out cell switching.

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.

As shown in fig. 7, the method that first terminal of the embodiment of the present invention switches over includes：

Step 700, terminal receive the first switching command for including at least one cell information that network side equipment is sent；

The second switching command that step 701, the terminal are sent according to the network side equipment received, from described first The cell information of the network side equipment notice is determined at least one alternative cell information that switching command includes；

Step 702, the terminal carry out cell switching according to the determining cell information.

Several examples are set forth below to illustrate the scheme of the embodiment of the present invention.

Embodiment 1：Two steps switch successfully process, wherein switching command include multiple cell information (such as cell ID and Terminal carries out the configuration information that exclusive data transmitting-receiving uses in the cell).

As shown in figure 8, the method that the first two step of the embodiment of the present invention switch successfully includes：

Step 1：The network side equipment of cell1 is managed by the terminal survey report information in cell1, determines to cut terminal One of change in Target cell cell2 and cell3.

Switching set-up procedure is initiated between network side equipment and management cell2 and the equipment for managing cell3, and successfully.

Wherein, management cell2 and the equipment for managing cell3 provide the configuration information of this cell of UE access respectively.

Step 2：Network side equipment sends the first switching command by RRC information, wherein carry Target cell for Cell2 and The information of Cell3, while the configuration information that UE is accessed on Cell2 and Cell3 can also be provided.

Step 3：Terminal preserves the configuration in the first switching command, while continues to carry out data transmit-receive on cell1.

Step 4：Network side equipment is based on L1 measurements or uplink signal measures, and determines UE to be switched to Target cell 2, and lead to It crosses L1 signalings and sends the second switching command, wherein carrying the information of target cell=cell2.

Step 5：The configuration information on cell2 provided in the first switching command of terminal applies performs handoff procedure, ought Preceding serving cell is switched to cell2, and handoff completion message is sent on cell2 and completes handoff procedure.

Step 6：Terminal carries out data transmit-receive on cell2.

Embodiment 2：The two step handover failures but successful process of retracting, wherein switching command include multiple cell information and (compare The configuration information used is received and dispatched as cell ID and terminal carry out exclusive data in the cell).

As shown in figure 9, the first two step handover failure of the embodiment of the present invention retract, successful method includes：

Step 5：The configuration information on cell2 provided in the first switching command of terminal applies performs handoff procedure, switching Failure.

Step 6：Terminal selects the cell3 in the first switching command, and uses corresponding configuration information, is initiated in cell 3 Handoff completion message.

Optionally, it if the signal of cell3 meets pre-configuration or predefined thresholding, selects in the first switching command cell3。

Step 7：UE current service cells are cell3, and carry out data transmit-receive in cell3.

If in the first switching command include cell2, cell3 and cell4, then terminal after cell2 handover failures, The cell of better quality in the two can be selected in cell3 and cell4；

If cell2 handover failures, terminal can also use connection reestablishment procedure.

Embodiment 3：The process of connection reconstruction after two step handover failures, wherein switching command include multiple cell information (ratio The configuration information used is received and dispatched as cell ID and terminal carry out exclusive data in the cell).

As shown in Figure 10, the method for the first two step handover failure connection reconstruction of the embodiment of the present invention includes：

Step 6：Terminal carries out cell selection reuse adoption process.

Optionally, terminal can improve the priority of the Target cell provided in the first switching command；Then terminal is being selected Connection reestablishment procedure is performed in fixed cell.

It is assumed that UE is directly reconstructed in cell3.

Embodiment 4：The process that two steps switch successfully, wherein switching command include including multiple beam letters of 1 cell Breath.

As shown in figure 11, the method that second liang of step of the embodiment of the present invention switches successfully includes：

Step 1：The network side equipment of cell1 is managed by the terminal survey report information in cell1, determines to cut terminal Change to Target cell cell2.

Switching set-up procedure is initiated between network side equipment and the equipment for managing cell2, and successfully.

Wherein, the measurement result provided in message of the equipment of cell2 according to network side equipment and recommendation information etc. are provided, The beam1 and beam2 of cell2 are selected to permit the beam of terminal switching access, and provides relevant configuration to network side equipment.

Step 2：Network side equipment sends the first switching command by RRC information, wherein it is Cell2's to carry Target cell Information, while beam can also be provided as beam1 and beam2 and relevant configuration information.

Step 4：Network side equipment is based on L1 measurements or uplink signal measures, and determines UE to be switched to Target cell 2, and lead to It crosses L1 signalings and sends the second switching command, wherein carrying the information of target cell=cell2, target beam=1.

Step 5：Configuration information under the cell2 provided in the first switching command of terminal applies on beam1, execution switched Current service cell is switched to cell2 by journey, and the beam1 on cell2 sends handoff completion message and completes handoff procedure；

Step 6：Terminal carries out data transmit-receive on cell2.

Embodiment 5：Two step handover failures but the successful process of retracting, wherein switching command are included comprising 1 cell Multiple beam information.

As shown in figure 12, second liang of successful method of step handover failure rollback of the embodiment of the present invention includes：

Step 5：Configuration information under the cell2 provided in the first switching command of terminal applies on beam1, execution switched Journey, handover failure.

Step 6：Terminal selects the beam2 of the cell 2 in the first switching command, and uses corresponding configuration information, small Initiate handoff completion message in area 2.

Optionally, if the signal of cell2beam2 meets pre-configuration or predefined thresholding, the first switching life is selected Cell2beam2 in order.

Step 7：UE current service cells are cell2, and carry out data transmit-receive in cell2beam2.

If multiple beam are included in the first switching command, then UE can be after cell2beam1 handover failures, can To select the beam of better quality in the two in other alternative beam；

Embodiment 6：The process of connection reconstruction after two step handover failures, wherein switching command are included comprising 1 cell Multiple beam information.

As shown in figure 13, the method for second liang of step handover failure connection reconstruction of the embodiment of the present invention includes：

Step 6：Terminal first choice beam2 directly in cell2, selects other beam in the cell to connect if unsuccessful Enter.The cell2 is thought if being successfully accessed for serving cell, switching is completed.

It is assumed that UE first choices beam2 successes.

It should be noted that the multiple of multiple cells can also be included in the first switching command in above-described embodiment 4~6 Beam information, detailed process is similar to the above, and details are not described herein.

As shown in figure 14, second of system switched over of the embodiment of the present invention includes：Network side equipment 1400 and terminal 1410。

Network side equipment 1400, for determining the configuration information of at least one Beam of the Target cell of terminal；To described Terminal sends the switching command of the configuration information comprising at least one Beam, so that the terminal is according to described at least one The configuration information of Beam carries out cell switching.

Terminal 1410, for receiving the switching command for including the configuration information of at least one Beam in switching target small area； Cell switching is carried out according to the configuration information of at least one Beam.

Optionally, L1 metrical informations, L2 metrical informations and the L3 metrical informations that the network side equipment is reported according to terminal In part or all of metrical information, determine the configuration information of at least one Beam of the Target cell of terminal.

Optionally, the L3 metrical informations be according to the RRC measurement reports from the terminal determine '

For example the mark of top n beam can be placed in RRC measurement reports by terminal from big to small according to signal quality.

Wherein, the configuration information of the Beam of the embodiment of the present invention is included at least for the related letter of terminal access beam Breath, such as the relevant information of random access, reference mark mark etc..

Include the configuration information of Beam and configuration information two kinds of situations point of multiple Beam below for switching command It does not illustrate.

Situation one, switching command include the configuration information of a Beam.

If the switching command includes the configuration information of a Beam, the terminal includes according to the switching command The configuration information of Beam carries out cell switching.

If cell handover failure, and the switching command includes the configuration information of Beam, the terminal is from the mesh A Beam, and matching according to the Beam of selection are selected in Beam in addition to marking the Beam included except the switching command of cell Confidence breath carries out cell switching.

If the configuration information that terminal finally accesses the beam used be not network side to target beam, then eventually End needs the configuration information that network side equipment is notified to use which beam.

Situation two, switching command include the configuration information of a Beam.

In the case of switching command includes the configuration information of multiple Beam, the configuration information of multiple Beam includes target (target) beam and candidate (candidate) beam set.

Optionally, the terminal preferentially selects the target in the configuration information of multiple Beam that the switching command includes The configuration information of Beam；Or

If that is, using target beam handover failures, one is reselected from candidate beam set A progress cell switching.

When being reselected from candidate beam set, can be gathered according to signal quality from candidate beam Reselect a progress cell switching.

As shown in figure 15, the third network side equipment of the embodiment of the present invention includes：

Information determination module 1500, for determining the configuration information of at least one Beam of the Target cell of terminal；

Order sending module 1501, for sending cutting for the configuration information comprising at least one Beam to the terminal Order is changed, so that the terminal carries out cell switching according to the configuration information of at least one Beam.

Optionally, described information determining module 1500 is specifically used for：

As shown in figure 16, the third terminal of the embodiment of the present invention includes：

Order receiver module 1600 is cut for receiving comprising the configuration information of at least one Beam in switching target small area Change order；

Handover module 1601, for carrying out cell switching according to the configuration information of at least one Beam.

Optionally, the handover module 1601 is specifically used for：

Optionally, the handover module 1601 is additionally operable to：

As shown in figure 17, the 4th kind of network side equipment of the embodiment of the present invention includes：

Processor 1701 sends and receives data, and read the program in memory 1704 for passing through transceiver 1702, Perform following process：

Determine the configuration information of at least one Beam of the Target cell of terminal；It is sent comprising described at least to the terminal The switching command of the configuration information of one Beam, so that the terminal is small according to the progress of the configuration information of at least one Beam Area switches.

Transceiver 1702, for sending and receiving data under the control of processor 1701.

Optionally, the processor 1701 is specifically used for：

In fig. 17, bus architecture (being represented with bus 1700), bus 1700 can include any number of interconnection Bus and bridge, bus 1700 are deposited what the one or more processors including being represented by processor 1701 and memory 1704 represented The various circuits of reservoir link together.Bus 1700 can also will peripheral equipment, voltage-stablizer and management circuit etc. Etc various other circuits link together, these are all it is known in the art, therefore, herein no longer to its into advance one Step description.Bus interface 1703 provides interface between bus 1700 and transceiver 1702.Transceiver 1702 can be a member Part or multiple element, such as multiple receivers and transmitter, provide for over a transmission medium with various other devices The unit of communication.The data handled through processor 1701 are transmitted on the radio medium by antenna 1705, further, antenna 1705 also receive data and transfer data to processor 1701.

Processor 1701 is responsible for bus 1700 and common processing, can also provide various functions, including timing, outside Enclose interface, voltage adjusting, power management and other control functions.And memory 1704 can be used to store processor 1701 The used data when performing operation.

Optionally, processor 1701 can be CPU, ASIC, FPGA or CPLD.

As shown in figure 18, the 4th kind of terminal of the embodiment of the present invention includes：

Processor 1801 sends and receives data, and read the program in memory 1804 for passing through transceiver 1802, Perform following process：

Receive the switching command for including the configuration information of at least one Beam in switching target small area；According to described at least one The configuration information of a Beam carries out cell switching.

Transceiver 1802, for sending and receiving data under the control of processor 1801.

Optionally, the processor 1801 is specifically used for：

Optionally, the processor 1801 is additionally operable to：

In figure 18, bus architecture (being represented with bus 1800), bus 1800 can include any number of interconnection Bus and bridge, bus 1800 represent the one or more processors including being represented by general processor 1801 and memory 1804 The various circuits of memory link together.Bus 1800 can also will such as peripheral equipment, voltage-stablizer and power management electricity Various other circuits on road or the like link together, and these are all it is known in the art, and therefore, no longer it is carried out herein It further describes.Bus interface 1803 provides interface between bus 1800 and transceiver 1802.Transceiver 1802 can be one A element or multiple element, such as multiple receivers and transmitter, provide for over a transmission medium with it is various other The unit of device communication.Such as：Transceiver 1802 receives external data from other equipment.Transceiver 1802 is used for processor 1801 treated that data are sent to other equipment.Depending on the property of computing system, user interface 1805, example can also be provided Such as keypad, display, loud speaker, microphone, control stick.

Processor 1801 is responsible for bus 1800 and common processing, and the general-purpose operating system is run as described in aforementioned.And Memory 1804 can be used to store the used data when performing operation of processor 1801.

Optionally, processor 1801 can be CPU, ASIC, FPGA or CPLD.

Based on same inventive concept, the method switched over is additionally provided in the embodiment of the present invention, since this method corresponds to Equipment be equipment in second of system switched over of the embodiment of the present invention, and the principle that solves the problems, such as of this method with should Equipment is similar, therefore the implementation of this method may refer to the implementation of equipment, and overlaps will not be repeated.

As shown in figure 19, the method that second of network side equipment auxiliary terminal of the embodiment of the present invention switches over includes：

Step 1900, network side equipment determine the configuration information of at least one Beam of the Target cell of terminal；

Step 1901, the network side equipment send the configuration information comprising at least one Beam to the terminal Switching command, so that the terminal carries out cell switching according to the configuration information of at least one Beam.

As shown in figure 20, the method that second of terminal of the embodiment of the present invention switches over includes：

Step 2000, terminal receive the switching command for including the configuration information of at least one Beam in switching target small area；

Step 2001, the terminal carry out cell switching according to the configuration information of at least one Beam.

Optionally, this method further includes：

Above by reference to showing according to the method, apparatus (system) of the embodiment of the present application and/or the frame of computer program product Figure and/or flow chart describe the application.It should be understood that it can realize that block diagram and/or flow illustrate by computer program instructions One block of figure and the combination of block diagram and/or the block of flowchart illustration.These computer program instructions can be supplied to logical With computer, the processor of special purpose computer and/or other programmable data processing units, to generate machine so that via meter The instruction establishment that calculation machine processor and/or other programmable data processing units perform is used to implement block diagram and/or flow chart block In specified function/action method.

Correspondingly, the application can also be implemented with hardware and/or software (including firmware, resident software, microcode etc.).More Further, the application can take computer to can be used or the shape of computer program product on computer readable storage medium Formula there is the computer realized in the medium can be used or computer readable program code, to be made by instruction execution system It is used with or with reference to instruction execution system.In the present context, computer can be used or computer-readable medium can be with It is arbitrary medium, can includes, stores, communicates, transmits or transmit program, is made by instruction execution system, device or equipment It is used with or with reference to instruction execution system, device or equipment.

Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims

A kind of 1. method switched over, which is characterized in that this method includes：

Network side equipment includes the first switching command of at least one cell information to terminal transmission；

The network side equipment selects cell according in cell information of the communication quality of the terminal from notice to the terminal Information；

The network side equipment notify that the terminal selects according to the network side equipment by the second switching command described Cell information in one switching command carries out cell switching.
2. the method as described in claim 1, which is characterized in that the cell information includes the part or complete in following message Portion：

The configuration information of cell, cell transmit and receive the configuration information of the configuration information of node TRP, cells beam Beam.
3. the method as described in claim 1, which is characterized in that the network side equipment passes through described in the second switching command notice Cell information in first switching command that terminal is selected according to the network side equipment carries out cell switching, including：

The network side equipment carries part or all of in following message in second switching command：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.
4. the method as described in claim 1, which is characterized in that the network side equipment according to the communication quality of the terminal from It notifies to select cell information in the cell information to the terminal, including：

The network side equipment selects in the part or all of cell information from notice to the terminal in following message Cell information；

The L1 channel qualities that the terminal is sent report information, the uplink reference signals quality information of the terminal, the terminal Location information.
A kind of 5. method switched over, which is characterized in that this method includes：

Terminal receives the first switching command for including at least one cell information that network side equipment is sent；

The second switching command that the terminal is sent according to the network side equipment received, includes from first switching command At least one alternative cell information in determine the cell information of network side equipment notice；

The terminal carries out cell switching according to the determining cell information.
6. method as claimed in claim 5, which is characterized in that the cell information includes the part or complete in following message Portion：

The configuration information of cell, the configuration information of cell TRP, cell Beam configuration information.
7. method as claimed in claim 5, which is characterized in that the terminal carries out cell according to the determining cell information After switching, further include：

If cell handover failure, the terminal from first switching command include except the network side equipment notice cell A cell information is selected in other cell informations except information, and cell switching is carried out according to the cell information of selection；Or

If cell handover failure, the terminal initiates radio resource control RRC connection re-establishment process.
8. method as claimed in claim 6, which is characterized in that the terminal carries out cell switching according to the cell information of selection Later, it further includes：

If cell handover failure, the terminal initiates RRC connection re-establishment processes.
9. method as claimed in claim 7 or 8, which is characterized in that before the terminal initiates RRC connection re-establishment processes, It further includes：

The terminal improves the priority of the corresponding at least one cell of cell information that first switching command includes.
10. the method for claim 7, which is characterized in that the terminal removes institute from what first switching command included It states and a cell information is selected in other cell informations except the cell information of network side equipment notice, including：

The terminal removes what the network side equipment notified according to the signal quality of cell from what first switching command included A cell information is selected in other cell informations except cell information.
11. a kind of network side equipment switched over, which is characterized in that the network side equipment includes：

Sending module, for including the first switching command of at least one cell information to terminal transmission；

Selecting module, for the communication quality according to the terminal from cell information of the notice to the terminal selection cell letter Breath；

Notification module, for pass through that the second switching command notifies that the terminal selects according to the network side equipment described first Cell information in switching command carries out cell switching.
12. network side equipment as claimed in claim 11, which is characterized in that the cell information includes the portion in following message Divide or whole：

The configuration information of cell, the configuration information of cell TRP, cell Beam configuration information.
13. network side equipment as claimed in claim 11, which is characterized in that the notification module is specifically used for：

It is carried in second switching command part or all of in following message：

The cell ID of cell, the mark of the TRP of cell, cell Beam mark.
14. network side equipment as claimed in claim 11, which is characterized in that the selecting module is specifically used for：

Cell information is selected in the part or all of cell information from notice to the terminal in following message；

The L1 channel qualities that the terminal is sent report information, the uplink reference signals quality information of the terminal, the terminal Location information.
15. a kind of terminal switched over, which is characterized in that the terminal includes：

Receiving module, for receiving the first switching command for including at least one cell information of network side equipment transmission；

Determining module, for the second switching command sent according to the network side equipment received, from the described first switching life Enable the cell information that the network side equipment notice is determined at least one alternative cell information included；

Processing module, for carrying out cell switching according to the determining cell information.
16. terminal as claimed in claim 15, which is characterized in that the cell information includes the part or complete in following message Portion：

The configuration information of cell, the configuration information of cell TRP, cell Beam configuration information.
17. terminal as claimed in claim 15, which is characterized in that the processing module is additionally operable to：

If cell handover failure, in addition to the cell information notified except the network side equipment included from first switching command Other cell informations in select a cell information, and according to the cell information of selection carry out cell switching；Or

If cell handover failure, RRC connection re-establishment processes are initiated.
18. terminal as claimed in claim 16, which is characterized in that the processing module is additionally operable to：

If cell handover failure, RRC connection re-establishment processes are initiated.
19. the terminal as described in claim 17 or 18, which is characterized in that the processing module is additionally operable to：

After improving the priority of the corresponding at least one cell of cell information that first switching command includes, initiate RRC and connect Connect the process of re-establishing.
20. terminal as claimed in claim 19, which is characterized in that the processing module is specifically used for：

According to the signal quality of cell, the cell information notified except the network side equipment included from first switching command Except other cell informations in select a cell information.
A kind of 21. method switched over, which is characterized in that this method includes：

Network side equipment determines the configuration information of at least one Beam of the Target cell of terminal；

The network side equipment sends the switching command of the configuration information comprising at least one Beam to the terminal, so that The terminal carries out cell switching according to the configuration information of at least one Beam.
22. method as claimed in claim 21, which is characterized in that the network side equipment determines the Target cell of terminal extremely The configuration information of a few Beam, including：

Part or complete in L1 metrical informations, L2 metrical informations and L3 metrical informations that the network side equipment is reported according to terminal Portion's metrical information determines the configuration information of at least one Beam of the Target cell of terminal.
23. method as claimed in claim 22, which is characterized in that the L3 metrical informations are according to from the terminal RRC measurement reports determine；

Wherein, the RRC measurement reports include the beam that at least one signal quality of cell is met the requirements.
24. the method as described in claim 21~23 is any, which is characterized in that the configuration information of the Beam, which includes at least, to be used In the relevant information of terminal access beam.
A kind of 25. method switched over, which is characterized in that this method includes：

Terminal receives the switching command for including the configuration information of at least one Beam in switching target small area；

The terminal carries out cell switching according to the configuration information of at least one Beam.
26. method as claimed in claim 25, which is characterized in that the terminal matches confidence according at least one Beam's Breath carries out cell switching, including：

If the switching command includes the configuration information of a Beam, the Beam that the terminal includes according to the switching command Configuration information carry out cell switching；Or

If the switching command includes the configuration information of multiple Beam, the terminal is selected from the configuration information of the multiple Beam One is selected, and cell switching is carried out according to the configuration information of the Beam of selection.
27. method as claimed in claim 26, which is characterized in that the terminal is selected from the configuration information of the multiple Beam One is selected, including：

The terminal preferentially selects the target Beam's in the configuration information of multiple Beam that the switching command includes to match confidence Breath；Or

The terminal selects one according to the priority of Beam from the configuration information of the multiple Beam.
28. the method as described in claim 25~27 is any, which is characterized in that the terminal is according at least one Beam Configuration information carry out cell switching after, further include：

If cell handover failure, and the switching command includes the configuration information of a Beam, the terminal is small from the target A Beam is selected in Beam in addition to the Beam included except the switching command in area, and confidence is matched according to the Beam of selection Breath carries out cell switching；Or

If cell handover failure, and the switching command includes the configuration information of multiple Beam, the terminal is ordered from the switching It enables and one, and the configuration of the Beam according to selection is selected in the configuration information in addition to the configuration information of the Beam of selection included Information carries out cell switching.
29. method as claimed in claim 28, which is characterized in that this method further includes：

If cell does not switch successfully before switch overtime, after timer expiry, the terminal initiates RRC connections Re-establish process.
30. a kind of network side equipment switched over, which is characterized in that the network side equipment includes：

Information determination module, for determining the configuration information of at least one Beam of the Target cell of terminal；

Order sending module, for sending the switching command of the configuration information comprising at least one Beam to the terminal, So that the terminal carries out cell switching according to the configuration information of at least one Beam.
31. network side equipment as claimed in claim 30, which is characterized in that described information determining module is specifically used for：

Part or all of metrical information in the L1 metrical informations, L2 metrical informations and the L3 metrical informations that are reported according to terminal, really Determine the configuration information of at least one Beam of the Target cell of terminal.
32. network side equipment as claimed in claim 31, which is characterized in that the L3 metrical informations are according to from the end What the RRC measurement reports at end determined；

Wherein, the RRC measurement reports include the beam that at least one signal quality of cell is met the requirements.
33. the network side equipment as described in claim 30~32 is any, which is characterized in that the configuration information of the Beam is at least Include the relevant information for terminal access beam.
34. a kind of terminal switched over, which is characterized in that the terminal includes：

Order receiver module, for receiving the switching command for including the configuration information of at least one Beam in switching target small area；

Handover module, for carrying out cell switching according to the configuration information of at least one Beam.
35. terminal as claimed in claim 34, which is characterized in that the handover module is specifically used for：

If the switching command includes the configuration information of Beam, the Beam that is included according to the switching command with confidence Breath carries out cell switching；Or

If the switching command includes the configuration information of multiple Beam, one is selected from the configuration information of the multiple Beam, And cell switching is carried out according to the configuration information of the Beam of selection.
36. terminal as claimed in claim 35, which is characterized in that the handover module is specifically used for：

Preferentially select the configuration information of the target Beam in the configuration information of multiple Beam that the switching command includes；Or

According to the priority of Beam, one is selected from the configuration information of the multiple Beam.
37. the terminal as described in claim 34~36 is any, which is characterized in that the handover module is additionally operable to：

If cell handover failure, and the switching command includes the configuration information of a Beam, and institute is removed from the Target cell One Beam of selection in the Beam except the Beam that switching command includes is stated, and small according to the configuration information progress of the Beam of selection Area switches；Or

If cell handover failure, and the switching command includes the configuration information of multiple Beam, includes from the switching command One is selected in configuration information in addition to the configuration information of the Beam of selection, and is carried out according to the configuration information of the Beam of selection Cell switches.
38. terminal as claimed in claim 37, which is characterized in that the handover module is additionally operable to：

If cell does not switch successfully before switch overtime, after timer expiry, RRC connection re-establishments are initiated Journey.