CN102083153A - Method and device for replacement of main cell - Google Patents
Method and device for replacement of main cell Download PDFInfo
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- CN102083153A CN102083153A CN2010102524662A CN201010252466A CN102083153A CN 102083153 A CN102083153 A CN 102083153A CN 2010102524662 A CN2010102524662 A CN 2010102524662A CN 201010252466 A CN201010252466 A CN 201010252466A CN 102083153 A CN102083153 A CN 102083153A
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Abstract
The invention discloses a method and device for replacement of a main cell, which are used for realizing the replacement of the main cell in a carrier aggregation system. The method comprises the steps of: by means of UE (User Equipment), deleting configuration information of a source auxiliary cell when a main cell replacing command is received; obtaining the configuration information of a target main cell according to the configuration information of the target main cell carried by the main cell replacing command and the configuration information of the source main cell reserved by the main cell replacing command; and replacing the obtained configuration information from the source main cell to the target main cell. The invention also discloses a device used for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to method and device that the main plot is changed.
Background technology
In the wireless communication system before Long Term Evolution (LTE) reaches, have only a carrier wave in the sub-district, maximum bandwidth is 20MHz in the LTE system.In order to improve transmission bandwidth, Long Term Evolution (LTE Advanced, LTE-A) system of upgrading proposed in the industry.
In the LTE-A system, the peak rate of system has huge raising than LTE, requires to reach descending 1Gbps, up 500Mbps.If only using a maximum bandwidth can't reach peak rate as the carrier wave of 20MHz requires.Therefore, the LTE-A system needs the operable bandwidth of terminal extension, introduced carrier aggregation (Carrier Aggregation thus, CA) technology, be about under the same eNB (evolution base station) a plurality of continuous or discrete carrier aggregation together, be subscriber equipment (UE) service simultaneously, so that required speed to be provided.These carrier waves that condense together be called again member carrier (component carrier, CC).Each sub-district can be a member carrier, and the sub-district under the different e NB (member carrier) can not polymerization.At a plurality of little area definitions of UE polymerization the notion of main plot (Pcell) and auxilliary sub-district (Scell), corresponding respectively main carrier sub-district and the auxilliary carrier cell of UE when pre-polymerization.
The LTE system is the system of single carrier, only relates to the configuration of a Target cell when switching.And the LTE-A system relates to the switching of a plurality of sub-districts of main plot and auxilliary sub-district, can't directly apply mechanically the handoff procedure of LTE system, and does not still have the effective solution of handoff procedure in the LTE-A system at present.
Summary of the invention
Method and device that the embodiment of the invention provides a kind of main plot to change are used for realizing the replacing of carrier aggregation system main plot.
The method that a kind of main plot is changed is applied to the UE side, may further comprise the steps:
UE receives when order is changed in the main plot, the configuration information of auxilliary sub-district, deletion source;
UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtains the configuration information of target main plot, changes to the target main plot from the main plot, source.
The method that a kind of main plot is changed is applied to base station side, is used for realizing that indication UE carries out the sub-district and switches, and may further comprise the steps:
First base station generates the main plot of the configuration information that comprises the target main plot and changes order;
First base station sends the main plot to UE and changes order, the configuration information of auxilliary sub-district, indication UE deletion source, and indication UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtain the configuration information of target main plot, change to the target main plot from the main plot, source.
A kind of subscriber equipment comprises:
Memory module is used to receive when order is changed in the main plot, the configuration information of auxilliary sub-district, deletion source;
Configuration module is used for changing according to the main plot configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation, obtains the configuration information of target main plot, changes to the target main plot from the main plot, source.
A kind of base station comprises:
Control module, order is changed in the main plot that is used to generate the configuration information that comprises the target main plot;
Interface module, be used for sending the main plot and change order to UE, the configuration information of auxilliary sub-district, indication UE deletion source, and indication UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtain the configuration information of target main plot, change to the target main plot from the main plot, source.
UE receives when order is changed in the main plot in the embodiment of the invention, the configuration information of auxilliary sub-district, deletion source, and the configuration information of reservation main plot, source, do not delete the configuration information of main plot, source at once, carrying out the main plot when changing order then, changing the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation, obtaining the configuration information of target main plot according to the main plot, change to the target main plot from the main plot, source, realized the replacing of main plot in the LTE-A system.
Description of drawings
Fig. 1 is the structure chart of communication system in the embodiment of the invention;
Fig. 2 is the primary structure figure of UE in the embodiment of the invention;
Fig. 3 is the detailed structure view of UE in the embodiment of the invention;
Fig. 4 is the structure chart of base station in the embodiment of the invention;
Fig. 5 switches in the method flow diagram of UE side for sub-district in the embodiment of the invention;
Fig. 6 switches in the method flow diagram of base station side for sub-district in the embodiment of the invention;
Fig. 7 A is the method flow diagram that the main plot is changed when striding the base station in the embodiment of the invention;
Fig. 7 B is the schematic diagram of sub-district in the embodiment of the invention;
Fig. 8 is for carrying out the method flow diagram that the main plot is changed by switching command in the base station in the embodiment of the invention;
Fig. 9 is for carrying out the method flow diagram that the main plot is changed by reallocation message in the base station in the embodiment of the invention.
Embodiment
UE receives when order is changed in the main plot in the embodiment of the invention, the configuration information of auxilliary sub-district, deletion source, and the configuration information of reservation main plot, source, do not delete the configuration information of main plot, source at once, then when carrying out main plot replacing order, change the configuration information of the main plot that the configuration information update of the target main plot that order carries keeps according to the main plot, change to the target main plot, realized the replacing of main plot in the LTE-A system from the main plot, source.
Referring to Fig. 1, communication system comprises base station and UE in the present embodiment.The base station can be eNB or NodeB etc.
The base station, order is changed in the main plot that is used to generate the configuration information that comprises the target main plot, and to the replacing order of UE transmission main plot, the configuration information of auxilliary sub-district, indication UE deletion source, and indication UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtain the configuration information of target main plot, change to the target main plot, be equivalent to realize the replacing of main plot from the main plot, source.The configuration information that order also comprises the target secondary sub-district is changed in the main plot; The base station also is used for sending the main plot to UE and changes order, and indication UE changes the configuration information of the main plot, source of the configuration information of the target secondary sub-district that order carries and reservation according to the main plot, obtains the configuration information of target secondary sub-district, has promptly realized the replacing of auxilliary sub-district.
The configuration information that main plot replacing order is carried is with respect to the increment configuration information of the configuration information of the main plot, source that keeps or complete configuration information.Preferable, the configuration information of the target main plot that main plot replacing order is carried is the increment configuration information with respect to the configuration information of the main plot, source that keeps.When the configuration information of target secondary sub-district is carried in main plot replacing order, the configuration information identical with the main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district, and only relevant with auxilliary sub-district configuration information is the complete configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district.
Wherein, configuration is meant that the base station issues UE with entire arrangement information by the dedicated signaling mode fully, and UE directly uses this configuration; Increment configuration is meant that UE and inside of base station all preserve same set of old configuration, the base station is issued UE with the parameter different with old configuration by the dedicated signaling mode then, the new configuration that UE directly uses the base station to send, simultaneously, for those parameters that in signaling, does not occur, then continue to use old configuration or discharge old configuration (and corresponding function).Adopt the increment allocation plan, can reduce the size of dedicated signaling, reduce signaling consumption.Especially, full detail carries out the increment configuration and is configuration fully, so configuration is the special case of increment configuration fully.
The configuration information of main plot comprises one of following parameters at least: Physical Uplink Control Channel (PUCCH) relevant parameter, as SR (dispatch request) resource; Semi-continuous scheduling (Semi-Persistent Scheduling, SPS) relevant parameter is as the SPS resource distribution; Periodicity CQI (channel quality indication) relevant parameter; Insert relevant parameter at random, answer distribution as random access lead code; The Radio Link Failure relevant parameter is as the length of associated counter and timer; Partial parameters in the system information is as system information cycle, system information receive window size and TAI (lane place numbering) etc.The configuration information of main plot can also comprise other parameter, does not enumerate one by one herein.The configuration information that the configuration information of herein enumerating has for main plot only.
The configuration information of auxilliary sub-district comprises: deexcitation timer etc.The configuration information of auxilliary sub-district can also comprise other parameter, does not enumerate one by one herein.The configuration information of herein enumerating is for only assisting the configuration information that the sub-district has.
The main plot comprises one of following parameters at least with the configuration information (being the main plot parameter identical with auxilliary sub-district) that auxilliary sub-district all relates to: down link is shared physical channel (PDSCH) relevant parameter, PDSCH specialized configuration; Up link is shared physical channel (PUSCH) relevant parameter, as the PUSCH specialized configuration; Survey with reference signal (SRS) relevant parameter, as the SRS specialized configuration; The antenna relevant parameter disposes as antenna-specific; Partial parameters in the system information, as above/downlink bandwidth, PDSCH common configuration, SRS common configuration etc.That is, the configuration information of major-minor sub-district includes the parameter of enumerating herein.
The main plot is changed to order and is reallocation message (as Radio Resource control (RRC) reallocation message) in the present embodiment; Perhaps, the main plot is changed to order and is switching command (switching command also is by the carrying of RRC reallocation message).
UE, be used to receive when order is changed in the main plot, the configuration information of the auxilliary sub-district in the configuration information of main plot, reservation source and deletion source, and change the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtain the configuration information of target main plot, change to the target main plot from the main plot, source.UE also is used for changing according to the main plot configuration information of the main plot, source of the configuration information of the target secondary sub-district that order carries and reservation, obtains the configuration information of target secondary sub-district, has been equivalent to realize the switching of auxilliary sub-district.The configuration information that main plot replacing order is carried is with respect to the increment configuration information of the configuration information of the main plot, source that keeps or complete configuration information.Preferable, the configuration information of the target main plot that main plot replacing order is carried is the increment configuration information with respect to the configuration information of the main plot, source that keeps.When the configuration information of target secondary sub-district is carried in main plot replacing order, the configuration information identical with the main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district, and the configuration information relevant with auxilliary sub-district is the complete configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district.After UE also is used to change to the target main plot, the configuration information of the main plot, source that deletion keeps.And UE is linked into Target cell, and reads the system information of Target cell.
The replacing of main plot may be that replacing also may be the replacing (switching) of striding the base station in the base station.If the replacing in the base station, what then main plot replacing order was changed and generated in judgement is same base station.If stride the switching of base station, then the source base station judgement is switched, and sends handoff request to target BS, carry the configuration information of active main plot in this request message, by the configuration information of target BS, generate the main plot and change order, and send to UE by source base station according to the main plot, source.Striding under the situation about switching the base station, UE is linked into Target cell, and reads the system information of Target cell.
Referring to Fig. 2, UE comprises in the present embodiment: memory module 201 and configuration module 202.Memory module 201 can be realized by various storage mediums.But configuration module 202 can be realized by various performers.
UE also comprises interface module 203, referring to shown in Figure 3.Interface module 203 is used for receiving and sends various command, and order is changed in the main plot and indication memory module 201 keeps the configuration information of the auxilliary sub-district of configuration information and deletion source of main plots, source as receiving, and the system information etc. that reads Target cell.
Referring to Fig. 4, the base station comprises in the present embodiment: control module 401 and interface module 402.But control module 401 can be realized by various performers.Interface module 402 can be realized by devices such as transmitter and receivers.
This base station comprises as source base station with as the repertoire of target BS, just in the different different effects of scene performance.
More than described internal structure and the function of communication system, base station and UE, the implementation procedure that the main plot is changed is introduced below.
Referring to Fig. 5, the main plot is changed as follows at the method flow of UE side in the present embodiment:
Step 501:UE receives when order is changed in the main plot, keeps the configuration information of the auxilliary sub-district of configuration information and deletion source of main plot, source.
Step 502:UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtains the configuration information of target main plot, changes to the target main plot from the main plot, source.
Referring to Fig. 6, it is as follows that the sub-district switches in the method flow of base station side in the present embodiment:
Step 601: the base station generates the main plot of the configuration information that comprises the target main plot and changes order.
Step 602: the base station sends the main plot to UE and changes order, the configuration information of auxilliary sub-district, indication UE deletion source, and indication UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtain the configuration information of target main plot, change to the target main plot from the main plot, source.
Order is changed in the main plot multiple structure, has multiple mode to realize that the main plot changes accordingly, and the main plot changes the replacing (switching) that relates to the main plot replacing base station in and stride the base station, introduces implementation procedure in detail below by several embodiment.
Referring to Fig. 7 A, the method flow of main plot replacing (switching) is as follows when striding the base station in the present embodiment:
For example, sub-district under first base station (target BS) comprises sub-district 5, sub-district 6, sub-district 7 and sub-district 8, sub-district under second base station (source base station) comprises sub-district 1, sub-district 2, sub-district 3 and sub-district 4, and the sub-district of UE polymerization comprises sub-district 1 (main plot), sub-district 2 and sub-district 3.After the switching, the main plot is sub-district 5, and auxilliary sub-district comprises sub-district 6 and sub-district 7.Shown in Fig. 7 B.
Step 701: the main plot of source base station judgement UE need be switched.Wherein, the base station can be adjudicated by the measurement report that UE reports.
Step 702: source base station sends handoff request to target BS, and this handoff request comprises the configuration information of sub-district 1 (main plot, source).If adopt configuration fully, then handoff request can not comprise the configuration information of main plot, source.
Step 703: target BS is according to handoff request and local bearing capacity, judges in the sub-district 5, sub-district 6 and sub-district 7 admit UE.For example, the main plot switches to sub-district 5, and auxilliary sub-district need switch to sub-district 6 and sub-district 7.
Step 704: target BS generates the main plot and changes order, and the configuration information that order comprises sub-district 5, sub-district 6 and sub-district 7 is changed in the main plot.Preferable, carry the configuration information of sub-district 5, sub-district 6 and sub-district 7 with incremental mode with respect to the configuration information of main plot, source.It can reallocation message also can be switching command that order is changed in the main plot.For example, for the relevant parameter of Pcell only, as the PUCCH configuration information, then occur with sub-district 1 identical not changing in the order in the main plot in the PUCCH parameter of sub-district 5, different then changing in the order in the main plot occurs; For the Pcell information all relevant with Scell, as the cell downlink frequency, sub-district 5 is the same with the frequency of sub-district 1, and all the frequency with sub-district 1 is different and sub-district 6 is with sub-district 7, then the increment configuration information only comprises the frequency of sub-district 6 and sub-district 7, and does not comprise the frequency (because identical with sub-district 1) of sub-district 5; For the relevant parameter of Scell only,, change in the order in the main plot and to occur as the deexcitation timer.
Step 705: target BS sends the main plot by source base station to UE and changes order.Wherein, base station 1 passes through UE with this switching command.
Step 706:UE receives the main plot and changes order, and keeps the configuration information of the auxilliary sub-district of configuration information and deletion source of main plot, source.For example, keep the configuration information of sub-district 1 and the configuration information of deletion sub-district 2, sub-district 3 and sub-district 4.
Step 707:UE changes the configuration information that sub-district 5, sub-district 6 and sub-district 7 correspondences are upgraded in order according to the main plot.Be equivalent to increase the configuration information of target main plot and target secondary sub-district.For example, the PUCCH of the sub-district 5 configuration PUCCH that is based on sub-district 1 carries out the increment configuration; The downstream frequency of sub-district 5 is identical with sub-district 1; The frequency of sub-district 6 and sub-district 7 is respectively f2 and f3, and corresponding deexcitation timer is all arranged, and is based on the configuration fully of sub-district 1.
Step 708:UE and target BS connect, and read the system information of sub-district 5 correspondences.Finished the switching of sub-district.
The configuration information of the main plot (sub-district 1) that step 709:UE deletion keeps.This step can be exchanged with the execution sequence of step 708.
Change for the sub-district of striding the base station, preferable mode is to realize by switching flow, and the main plot was changed to order and was specially switching command this moment.Except that upgrading configuration information, can also carry out key updating, layer 2 reconstruction and random access procedure etc.
Referring to Fig. 8, it is as follows to carry out the method flow changed the main plot by switching command in the base station in the present embodiment:
For example, the sub-district under the base station comprises sub-district 1, sub-district 2, sub-district 3 and sub-district 4, and the sub-district of UE polymerization comprises sub-district 1 (main plot), sub-district 2 and sub-district 3.After the switching, the main plot is sub-district 2, and auxilliary sub-district comprises sub-district 3 and sub-district 4.
Step 801: the main plot of base station judgement UE need switch to sub-district 2, and the sub-district 2 in the auxilliary sub-district need switch to sub-district 4.
Step 802: the base station generates the switching command of the configuration information that comprises sub-district 2, sub-district 3 and sub-district 4.Preferable, carry the configuration information of sub-district 2, sub-district 3 and sub-district 4 with incremental mode with respect to the configuration information of main plot, source.For example, for the relevant parameter of Pcell only, as the PUCCH configuration information, then in the PUCCH parameter of sub-district 2 with sub-district 1 identical in switching command, not occurring, different then occurs in switching command; For the Pcell information all relevant with Scell, as the cell downlink frequency, sub-district 2, sub-district 3 and the sub-district 4 all frequency with sub-district 1 are different, and then the increment configuration information comprises the frequency of sub-district 2, sub-district 3 and sub-district 4; For the relevant parameter of Scell only,, in switching command, occur as the deexcitation timer.
Step 803: the base station sends switching command to UE.
Step 804:UE receives switching command, and keeps the configuration information of the auxilliary sub-district of configuration information and deletion source of main plot, source.
Step 805:UE upgrades the configuration information of sub-district 2, sub-district 3 and sub-district 4 correspondences according to switching command.
Step 806:UE finish re-constructing media access control (MAC), Radio Link control (RLC), PDCP (PDCP) and more new key etc. switch associative operation, access sub-district 2.
Step 807:UE connects with the base station again.Finished the switching of sub-district.
The corresponding configuration information in sub-district 1 (main plot, source) that step 808:UE deletion keeps.
Step 809:UE reads the system information of sub-district 2.
Auxilliary sub-district 2 switches to sub-district 1 and also can adopt method shown in Figure 8 from the sub-district, and the configuration information that carries sub-district 1 correspondence gets final product.
Referring to Fig. 9, it is as follows to carry out the method flow changed the main plot by reallocation message in the base station in the present embodiment:
For example, the sub-district under the base station comprises sub-district 1, sub-district 2, sub-district 3 and sub-district 4, and the sub-district of UE polymerization comprises sub-district 1 (main plot), sub-district 2 and sub-district 3.After the switching, the main plot is sub-district 2, and auxilliary sub-district comprises sub-district 3 and sub-district 4.
Step 901: the main plot of base station judgement UE need switch to sub-district 2, and the sub-district 2 in the auxilliary sub-district need switch to sub-district 4.
Step 902: the base station generates the reallocation message of the configuration information that comprises sub-district 2, sub-district 3 and sub-district 4.Preferable, carry the configuration information of sub-district 2, sub-district 3 and sub-district 4 with incremental mode with respect to the configuration information of main plot, source.For example, for the relevant parameter of Pcell only, as the PUCCH configuration information, then in the PUCCH parameter of sub-district 2 with sub-district 1 identical in switching command, not occurring, different then occurs in switching command; For the Pcell information all relevant with Scell, as the cell downlink frequency, sub-district 2, sub-district 3 and the sub-district 4 all frequency with sub-district 1 are different, and then the increment configuration information comprises the frequency of sub-district 2, sub-district 3 and sub-district 4; For the relevant parameter of Scell only,, in switching command, occur as the deexcitation timer.
Step 903: the base station sends reallocation message to UE.
Step 904:UE receives reallocation message, and keeps the configuration information of the auxilliary sub-district of configuration information and deletion source of main plot, source.
Step 905:UE upgrades the configuration information of sub-district 2, sub-district 3 and sub-district 4 correspondences according to reallocation message.
Owing to be reallocation message, UE can not rebuild MAC, RLC, PDCP and more new key etc. switch associative operation.
Step 906:UE connects with the base station again, and inserts sub-district 2.Finished the main plot replacing.
The corresponding configuration information in sub-district 1 (main plot, source) that step 907:UE deletion keeps.
Step 908:UE reads the system information of sub-district 2.
Auxilliary sub-district 2 switches to sub-district 1 and also can adopt method shown in Figure 9 from the sub-district, and the configuration information that reallocation message is carried sub-district 1 correspondence gets final product.
UE receives when order is changed in the main plot in the embodiment of the invention, the configuration information of auxilliary sub-district, deletion source, and the configuration information of reservation main plot, source, do not delete the configuration information of main plot, source at once, when carrying out main plot replacing order, change the configuration information of ordering the target main plot of carrying according to the main plot then, and the configuration information of the main plot, source that keeps, obtain the configuration information of target main plot, change to the target main plot, realized that the main plot is changed in the LTE-A system from the main plot, source.The embodiment of the invention also can be changed the configuration information of ordering the target secondary sub-district of carrying by the main plot, so that assist the replacing of sub-district, realizes that from the source auxilliary sub-district is to the replacing of target secondary sub-district.It can be reallocation message or switching command that order is changed in main plot in the embodiment of the invention, and the configuration information that carries can be increment configuration information or complete configuration information.And the embodiment of the invention provides in the base station and has striden the implementation that base station cell is changed, and applicable to the needs of different scenes, realizes the replacing of main and/or auxilliary sub-district more flexibly.In addition, various multicarrier systems all are applicable to the embodiment of the invention.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (28)
1. the method that the main plot is changed is characterized in that, may further comprise the steps:
UE receives when order is changed in the main plot, the configuration information of auxilliary sub-district, deletion source;
UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtains the configuration information of target main plot, changes to the target main plot from the main plot, source.
2. the method for claim 1 is characterized in that, comprises that also step: UE changes the configuration information of the main plot, source of the configuration information of the target secondary sub-district that order carries and reservation according to the main plot, obtains the configuration information of target secondary sub-district.
3. method as claimed in claim 1 or 2 is characterized in that, the configuration information that main plot replacing order is carried is with respect to the increment configuration information of the configuration information of the main plot, source that keeps or complete configuration information.
4. method as claimed in claim 3 is characterized in that, the configuration information of the target main plot that main plot replacing order is carried is the increment configuration information with respect to the configuration information of the main plot, source that keeps;
When the configuration information of target secondary sub-district is carried in main plot replacing order, the configuration information identical with the main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district, and only relevant with auxilliary sub-district configuration information is the complete configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district.
5. method as claimed in claim 1 or 2 is characterized in that, the main plot is changed order and is reallocation message; Perhaps, the main plot is changed to order and is switching command.
6. method as claimed in claim 1 or 2 is characterized in that, comprise that also step: UE changes to the target main plot after, the configuration information of the main plot, source that deletion keeps.
7. the method for claim 1 is characterized in that, the step that UE changes to the target main plot comprises: UE is in target main plot read system information.
8. the method that the main plot is changed is characterized in that, may further comprise the steps:
First base station generates the main plot of the configuration information that comprises the target main plot and changes order;
First base station sends the main plot to UE and changes order, the configuration information of auxilliary sub-district, indication UE deletion source, and indication UE is according to the configuration information of the main plot, source of the configuration information of the target main plot of carrying and reservation, obtain the configuration information of target main plot, change to the target main plot from the main plot, source.
9. method as claimed in claim 8 is characterized in that, the configuration information that order can also comprise the target secondary sub-district is changed in the main plot;
Described method also comprises step: first base station sends the main plot to UE and changes order, and indication UE changes the configuration information of the main plot, source of the configuration information of the target secondary sub-district that order carries and reservation according to the main plot, obtains the configuration information of target secondary sub-district.
10. method as claimed in claim 8 or 9 is characterized in that, configuration information that order carries is changed for respect to the increment configuration information of the configuration information of the main plot, source that keeps or configuration information fully in the main plot.
11. method as claimed in claim 10 is characterized in that, the configuration information of the target main plot that main plot replacing order is carried is the increment configuration information with respect to the configuration information of the main plot, source that keeps;
When the configuration information of target secondary sub-district is carried in main plot replacing order, the configuration information identical with the main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district, and only relevant with auxilliary sub-district configuration information is the complete configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district.
12. method is characterized in that as claimed in claim 8 or 9, the main plot is changed order and is reallocation message; Perhaps, the main plot is changed to order and is switching command.
13. method is characterized in that as claimed in claim 8 or 9, first base station comprises to the step that UE sends main plot replacing order: order by changing to UE transmission main plot as second base station of source base station first base station as target BS.
14. method as claimed in claim 13, it is characterized in that, first base station is before UE sends main plot replacing order, described method also comprises step: first base station receives the handoff request message of the configuration information that comprises the main plot, source from second base station, and generates main plot replacing order according to the configuration information of main plot, source.
15. a subscriber equipment is characterized in that, comprising:
Memory module is used to receive when order is changed in the main plot, the configuration information of auxilliary sub-district, deletion source;
Configuration module is used for changing according to the main plot configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation, obtains the configuration information of target main plot, changes to the target main plot from the main plot, source.
16. subscriber equipment as claimed in claim 15 is characterized in that, configuration module also is used for changing according to the main plot configuration information of the main plot, source of the configuration information of the target secondary sub-district that order carries and reservation, obtains the configuration information of target secondary sub-district.
17., it is characterized in that the configuration information that main plot replacing order is carried is with respect to the increment configuration information of the configuration information of the main plot, source that keeps or complete configuration information as claim 15 or 16 described subscriber equipmenies.
18. subscriber equipment as claimed in claim 17 is characterized in that, the configuration information of the target main plot that main plot replacing order is carried is the increment configuration information with respect to the configuration information of the main plot, source that keeps;
When the configuration information of target secondary sub-district is carried in main plot replacing order, the configuration information identical with the main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district, and only relevant with auxilliary sub-district configuration information is the complete configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district.
19., it is characterized in that the main plot is changed order and is reallocation message as claim 15 or 16 described subscriber equipmenies; Perhaps, the main plot is changed to order and is switching command.
20. as claim 15 or 16 described subscriber equipmenies, it is characterized in that, after memory module also is used to change to the target main plot, the configuration information of the main plot, source that deletion keeps.
21. subscriber equipment as claimed in claim 15 is characterized in that configuration module is linked into Target cell, and reads the system information of Target cell.
22. a base station is characterized in that, comprising:
Control module, order is changed in the main plot that is used to generate the configuration information that comprises the target main plot;
Interface module, be used for sending the main plot and change order to UE, the configuration information of auxilliary sub-district, indication UE deletion source, and indication UE changes the configuration information of the main plot, source of the configuration information of the target main plot that order carries and reservation according to the main plot, obtain the configuration information of target main plot, change to the target main plot from the main plot, source.
23. base station as claimed in claim 22 is characterized in that, the configuration information that order also comprises the target secondary sub-district is changed in the main plot;
Interface module also is used for sending the main plot to UE and changes order, and indication UE changes the configuration information of the main plot, source of the configuration information of the target secondary sub-district that order carries and reservation according to the main plot, obtains the configuration information of target secondary sub-district.
24., it is characterized in that the configuration information that main plot replacing order is carried is with respect to the increment configuration information of the configuration information of the main plot, source that keeps or complete configuration information as claim 22 or 23 described base stations.
25. base station as claimed in claim 24 is characterized in that, the configuration information of the target main plot that main plot replacing order is carried is the increment configuration information with respect to the configuration information of the main plot, source that keeps;
When the configuration information of target secondary sub-district is carried in main plot replacing order, the configuration information identical with the main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district, and only relevant with auxilliary sub-district configuration information is the complete configuration information with respect to the configuration information of the main plot, source that keeps in the configuration information of target secondary sub-district.
26., it is characterized in that the main plot is changed order and is reallocation message as claim 22 or 23 described base stations; Perhaps, the main plot is changed to order and is switching command.
27., it is characterized in that interface module sends the main plot by another base station to UE and changes order as claim 22 or 23 described base stations.
28. base station as claimed in claim 27 is characterized in that, interface module also is used to receive the handoff request message of the configuration information that comprises the main plot, source; Control module also is used for generating main plot replacing order according to the configuration information of main plot, source.
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