Embodiment
When in the embodiment of the present invention, UE receives changing primary order, delete the configuration information of Yuan Fu community, and retain the configuration information of main plot, source, do not delete at once the configuration information of main plot, source, then in the time carrying out changing primary order, the configuration information of the main plot that the configuration information update of the target main plot that order is carried according to changing primary retains, from source changing primary to target main plot, has realized the replacing of main plot in LTE-A system.
Referring to Fig. 1, in the present embodiment, communication system comprises base station and UE.Base station can be eNB or NodeB etc.
Base station, for generating the changing primary order of the configuration information that comprises target main plot, and send changing primary order to UE, instruction UE deletes the configuration information of Yuan Fu community, and the configuration information of the instruction configuration information of the UE target main plot that order is carried according to changing primary and the main plot, source of reservation, the configuration information that obtains target main plot, from source changing primary to target main plot, has been equivalent to realize the replacing of main plot.Changing primary order also comprises the configuration information of target secondary community; Base station is also for sending changing primary order to UE, and the configuration information of the instruction configuration information of the UE target secondary community that order is carried according to changing primary and the main plot, source of reservation, obtains the configuration information of target secondary community, realizes the replacing of Liao Fu community.
The configuration information that changing primary order is carried is with respect to the increment configuration information of the configuration information of the main plot, source retaining or complete configuration information.The configuration information of the target main plot that preferably, changing primary order is carried is the increment configuration information with respect to the configuration information of the main plot, source retaining.In the time that the configuration information of target secondary community is carried in changing primary order, in the configuration information of target secondary community, the configuration information identical with main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source retaining, and the relevant configuration information in configuration information Zhong Jinyufu community of target secondary community is the complete configuration information with respect to the configuration information of the main plot, source retaining.
Wherein, configuration refers to that base station issues UE by complete configuration information by dedicated signaling mode completely, and UE directly uses this configuration; Increment configuration refers to that UE and inside of base station all preserve same set of old configuration, then base station is issued UE by the parameter different from old configuration by dedicated signaling mode, the new configuration that UE directly uses base station to send, simultaneously, the parameter not occurring in signaling for those, continues to use old configuration or discharges old configuration (and corresponding function).Adopt increment allocation plan, can reduce the size of dedicated signaling, reduce signaling consumption.Especially, full detail carries out increment configuration and is configuration completely, so configuration is the special case of increment configuration completely.
The configuration information of main plot at least comprises one of following parameters: Physical Uplink Control Channel (PUCCH) relevant parameter, as SR (dispatch request) resource; Semi-continuous scheduling (Semi-Persistent Scheduling, SPS) relevant parameter, as SPS resource distribution; Periodically CQI (channel quality instruction) relevant parameter; Random access relevant parameter, as random access lead code is answered distribution; Radio Link Failure relevant parameter, as the length of associated counter and timer; Partial parameters in system information, 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 herein.The configuration information of herein enumerating is the configuration information that only main plot has.
The configuration information of auxiliary community comprises: deexcitation timer etc.The configuration information of auxiliary community can also comprise other parameter, does not enumerate herein.The configuration information that the configuration information Wei Jinfu community of herein enumerating has.
The configuration information (being the identical parameter in He Fu community, main plot) that He Fu community, main plot all relates at least comprises one of following parameters: down link is shared physical channel (PDSCH) relevant parameter, PDSCH specialized configuration; Up link is shared physical channel (PUSCH) relevant parameter, as PUSCH specialized configuration; Survey with reference signal (SRS) relevant parameter, as SRS specialized configuration; Antenna relevant parameter, as antenna-specific configuration; Partial parameters in system information, as above/downlink bandwidth, PDSCH common configuration, SRS common configuration etc., the configuration information of major-minor community includes the parameter of enumerating herein.
In the present embodiment, changing primary order is reallocation message (as Radio Resource control (RRC) reallocation message); Or changing primary order is switching command (switching command is also to carry by RRC reallocation message).
UE, while being used for receiving changing primary order, the configuration information of main plot, reservation source is also deleted the configuration information of Yuan Fu community, and the configuration information of the configuration information of the target main plot that order is carried according to changing primary and the main plot, source of reservation, obtain the configuration information of target main plot, from source changing primary to target main plot.The configuration information of the configuration information of the target secondary community that UE also carries for the order according to changing primary and the main plot, source of reservation, obtains the configuration information of target secondary community, is equivalent to realize the switching of Liao Fu community.The configuration information that changing primary order is carried is with respect to the increment configuration information of the configuration information of the main plot, source retaining or complete configuration information.The configuration information of the target main plot that preferably, changing primary order is carried is the increment configuration information with respect to the configuration information of the main plot, source retaining.In the time that the configuration information of target secondary community is carried in changing primary order, in the configuration information of target secondary community, the configuration information identical with main plot parameter is the increment configuration information with respect to the configuration information of the main plot, source retaining, and the relevant configuration information in configuration information Zhong Yufu community of target secondary community is the complete configuration information with respect to the configuration information of the main plot, source retaining.UE, also for changing to behind target main plot, deletes the configuration information of the main plot, source retaining.And UE is linked into Target cell, and read the system information of Target cell.
The replacing of main plot may be that in base station, replacing may be also the replacing (switching) across base station.If the replacing in base station, judgement replacing and the order of generation changing primary is same base station.If across the switching of base station, source base station judgement is switched, and sends handover request to target BS, in this request message, carry the configuration information of active main plot,, generate changing primary order, and send to UE by source base station according to the configuration information of main plot, source by target BS.In the situation that switching across base station, UE is linked into Target cell, and reads the system information of Target cell.
Referring to Fig. 2, in the present embodiment, UE comprises: memory module 201 and configuration module 202.Memory module 201 can be realized by various storage mediums.Configuration module 202 can be realized by performer by various.
Memory module 201, for storing the configuration information of He Yuanfu community, main plot, source, while receiving changing primary order, retains the configuration information of main plot, source and deletes the configuration information of Yuan Fu community.Memory module 201, also for changing to behind target main plot, is deleted the configuration information of the main plot, source retaining.
Configuration module 202, for the configuration information of target main plot that carries by the order according to changing primary and the configuration information of the main plot, source of reservation, obtains the configuration information of target main plot, from source changing primary to target main plot.The configuration information of the configuration information of the target secondary community that configuration module 202 also carries for the order according to changing primary and the main plot, source of reservation, obtains the configuration information of target secondary community.Concrete, configuration module 202 is linked into Target cell, and reads the system information of Target cell.
UE also comprises interface module 203, shown in Figure 3.Interface module 203 is for receiving and send various command, as received changing primary order indicate memory module 201 retain the configuration information of main plot, source and delete the configuration information of Yuan Fu community, and reads the system information etc. of Target cell.
Referring to Fig. 4, in the present embodiment, base station comprises: control module 401 and interface module 402.Control module 401 can be realized by performer by various.Interface module 402 can be realized by devices such as transmitter and receivers.
Control module 401 is for generating the changing primary order of the configuration information that comprises target main plot.Control module 401 is also for carrying out changing primary judgement.
Interface module 402 is for receiving and send various command, as sent changing primary order to UE, instruction UE deletes the configuration information of Yuan Fu community, and the configuration information of the instruction configuration information of the UE target main plot that order is carried according to changing primary and the main plot, source of reservation, obtain the configuration information of target main plot, from source changing primary to target main plot.Interface module 402 is also for sending changing primary order to UE, and the configuration information of the instruction configuration information of the UE target secondary community that order is carried according to changing primary and the main plot, source of reservation, obtains the configuration information of target secondary community.Interface module 402 can send changing primary order (can be specially switching command) to UE by another base station.
Interface module 402 is also for sending and receiving handover request.In the time that interface module receives the handover request message of the configuration information that comprises main plot, source, control module is also for generating changing primary order according to the configuration information of main plot, source.
This base station comprises as source base station with as the repertoire of target BS, just brings into play different effects in different scenes.
Internal structure and the function of more than having described communication system, base station and UE, be introduced the implementation procedure of changing primary below.
Referring to Fig. 5, in the present embodiment, changing primary is as follows at the method flow of UE side:
When step 501:UE receives changing primary order, retain the configuration information of main plot, source and delete the configuration information of Yuan Fu community.
The configuration information of the configuration information of the step 502:UE target main plot that order is carried according to changing primary and the main plot, source of reservation, the configuration information of acquisition target main plot, from source changing primary to target main plot.
Referring to Fig. 6, it is as follows that the present embodiment small area switches in the method flow of base station side:
Step 601: base station generates the changing primary order of the configuration information that comprises target main plot.
Step 602: base station sends changing primary order to UE, instruction UE deletes the configuration information of Yuan Fu community, and the configuration information of the instruction configuration information of the UE target main plot that order is carried according to changing primary and the main plot, source of reservation, obtain the configuration information of target main plot, from source changing primary to target main plot.
Changing primary order has various structures, has accordingly various ways to realize changing primary, and changing primary relates to changing primary and the replacing (switching) across base station in base station, introduces in detail implementation procedure below by several embodiment.
Referring to Fig. 7 A, in the present embodiment, the method flow of changing primary (switching) is as follows during across base station:
For example, Xia community, the first base station (target BS) comprises community 5, community 6, community 7 and community 8, Xia community, the second base station (source base station) comprises community 1, community 2, community 3 and community 4, and the community of UE polymerization comprises community 1 (main plot), community 2 and community 3.After switching, main plot is community 5, and auxiliary community comprises community 6 and community 7.Shown in Fig. 7 B.
Step 701: the main plot of source base station judgement UE need to be switched.Wherein, the measurement report that base station can report by UE is adjudicated.
Step 702: source base station sends handover request to target BS, this handover request comprises the configuration information of community 1 (main plot, source).If adopt configuration completely, handover request can not comprise the configuration information of main plot, source.
Step 703: target BS is according to handover request and local bearing capacity, judges in community 5, community 6 and community 7 receive UE.For example, main plot is switched to community 5, and auxiliary community need to be switched to community 6 and community 7.
Step 704: target BS generates changing primary order, and changing primary order comprises the configuration information of community 5, community 6 and community 7.Preferably, carry the configuration information of community 5, community 6 and community 7 with incremental mode with respect to the configuration information of main plot, source.Changing primary order can reallocation message can be also switching command.For example, for the relevant parameter of Pcell only, as PUCCH configuration information, identical not the occurring in changing primary order in PUCCH parameter Zhong Yu community 1 of community 5, different occurs in changing primary order; For all relevant information of Pcell and Scell, as cell downlink frequency, community 5 is the same with the frequency of community 1, and community 6 is different with the frequency of 7 Jun Yu communities 1, community, increment configuration information only comprises the frequency of community 6 and community 7, and does not comprise the frequency (because identical with community 1) of community 5; For the relevant parameter of Scell only, as deexcitation timer, in changing primary order, occur.
Step 705: target BS sends changing primary order by source base station to UE.Wherein, this switching command is passed through UE by base station 1.
Step 706:UE receives changing primary order, and retains the configuration information of main plot, source and delete the configuration information of Yuan Fu community.For example, retain the configuration information of community 1 and delete the configuration information of community 2, community 3 and community 4.
Step 707:UE upgrades the configuration information of community 5, community 6 and community 7 correspondences according to changing primary order.Be equivalent to increase the configuration information of target main plot and target secondary community.For example, the PUCCH of community 5 configuration is that PUCCH based on community 1 carries out increment configuration; The downstream frequency of community 5 is identical with community 1; The frequency of community 6 and community 7 is respectively f2 and f3, all has corresponding deexcitation timer, is the configuration completely based on community 1.
Step 708:UE and target BS connect, and read the system information of community 5 correspondences.Complete the switching of community.
Step 709:UE deletes the configuration information of the main plot (community 1) retaining.This step can be exchanged with the execution sequence of step 708.
For the cell change across base station, preferably mode is to realize by switching flow, and now changing primary order is specially switching command.Except Reconfigurations information, can also carry out key updating, layer 2 reconstruction and random access procedure etc.
Referring to Fig. 8, in the present embodiment, in base station, carry out the method flow of changing primary by switching command as follows:
For example, Xia community, base station comprises community 1, community 2, community 3 and community 4, and the community of UE polymerization comprises community 1 (main plot), community 2 and community 3.After switching, main plot is community 2, and auxiliary community comprises community 3 and community 4.
Step 801: the main plot of base station judgement UE need to be switched to community 2, and Zhong community, auxiliary community 2 need to be switched to community 4.
Step 802: base station generates the switching command of the configuration information that comprises community 2, community 3 and community 4.Preferably, carry the configuration information of community 2, community 3 and community 4 with incremental mode with respect to the configuration information of main plot, source.For example, for the relevant parameter of Pcell only, as PUCCH configuration information, PUCCH parameter Zhong Yu community 1 identical not the occurring in switching command of community 2, different occurs in switching command; For all relevant information of Pcell and Scell, as cell downlink frequency, community 2, community 3 are different with the frequency of 4 Jun Yu communities 1, community, the frequency that increment configuration information comprises community 2, community 3 and community 4; For the relevant parameter of Scell only, as deexcitation timer, in switching command, occur.
Step 803: base station sends switching command to UE.
Step 804:UE receives switching command, and retains the configuration information of main plot, source and delete the configuration information of Yuan Fu community.
Step 805:UE upgrades the configuration information of community 2, community 3 and community 4 correspondences according to switching command.
Step 806:UE complete re-constructing media access control (MAC), wireless link control (RLC), PDCP (PDCP) and more new key etc. switch associative operation, access community 2.
Step 807:UE connects with base station again.Complete the switching of community.
Step 808:UE deletes configuration information corresponding to community 1 (main plot, source) retaining.
Step 809:UE reads the system information of community 2.
Auxiliary community is switched to community 1 from community 2 also can adopt the method shown in Fig. 8, carries the configuration information of community 1 correspondence.
Referring to Fig. 9, in the present embodiment, in base station, carry out the method flow of changing primary by reallocation message as follows:
For example, Xia community, base station comprises community 1, community 2, community 3 and community 4, and the community of UE polymerization comprises community 1 (main plot), community 2 and community 3.After switching, main plot is community 2, and auxiliary community comprises community 3 and community 4.
Step 901: the main plot of base station judgement UE need to be switched to community 2, and Zhong community, auxiliary community 2 need to be switched to community 4.
Step 902: base station generates the reallocation message of the configuration information that comprises community 2, community 3 and community 4.Preferably, carry the configuration information of community 2, community 3 and community 4 with incremental mode with respect to the configuration information of main plot, source.For example, for the relevant parameter of Pcell only, as PUCCH configuration information, PUCCH parameter Zhong Yu community 1 identical not the occurring in switching command of community 2, different occurs in switching command; For all relevant information of Pcell and Scell, as cell downlink frequency, community 2, community 3 are different with the frequency of 4 Jun Yu communities 1, community, the frequency that increment configuration information comprises community 2, community 3 and community 4; For the relevant parameter of Scell only, as deexcitation timer, in switching command, occur.
Step 903: base station sends reallocation message to UE.
Step 904:UE receives reallocation message, and retains the configuration information of main plot, source and delete the configuration information of Yuan Fu community.
Step 905:UE upgrades the configuration information of community 2, community 3 and community 4 correspondences according to reallocation message.
Owing to being reallocation message, UE can not rebuild MAC, RLC, PDCP and more new key etc. switch associative operation.
Step 906:UE connects with base station again, and accesses community 2.Complete changing primary.
Step 907:UE deletes configuration information corresponding to community 1 (main plot, source) retaining.
Step 908:UE reads the system information of community 2.
Auxiliary community is switched to community 1 from community 2 also can adopt the method shown in Fig. 9, and reallocation message is carried the configuration information of community 1 correspondence.
When in the embodiment of the present invention, UE receives changing primary order, delete the configuration information of Yuan Fu community, and retain the configuration information of main plot, source, do not delete at once the configuration information of main plot, source, then in the time carrying out changing primary order, the configuration information of the target main plot that order is carried according to changing primary, and the configuration information of the main plot, source retaining, obtain the configuration information of target main plot, from source changing primary to target main plot, realized changing primary in LTE-A system.The configuration information of the target secondary community that the embodiment of the present invention also can be carried by changing primary order, to carry out the replacing of auxiliary community, realizes the replacing of Cong Yuanfu community to target secondary community.Changing primary order in the embodiment of the present invention can be reallocation message or switching command, and the configuration information carrying can be increment configuration information or complete configuration information.And the implementation that the embodiment of the present invention provides Nei Hekua base station cell, base station to change, applicable to the needs of different scenes, realizes the replacing of main and/or auxiliary community more flexibly.In addition, various multicarrier system is all applicable to the embodiment of the present invention.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of 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 with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or 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, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
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, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.