CN102083154A - Method for processing secondary cell allocation during switching and device thereof - Google Patents
Method for processing secondary cell allocation during switching and device thereofDownload PDFInfo
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- CN102083154A CN102083154ACN201010537661XACN201010537661ACN102083154ACN 102083154 ACN102083154 ACN 102083154ACN 201010537661X ACN201010537661X ACN 201010537661XACN 201010537661 ACN201010537661 ACN 201010537661ACN 102083154 ACN102083154 ACN 102083154A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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Abstract
Description
Technical field
The present invention relates to wireless communication field, the processing method and the device thereof of auxilliary cell configuration when relating in particular to a kind of the switching.
Background technology
In LTE (Long Term Evolution, Long Term Evolution) system and wireless communication system in the past, have only a carrier wave under the base station, maximum bandwidth is 20MHz in the LTE system, as shown in Figure 1.
In LTE Advanced (LTE-A) system, the peak rate of system has huge raising than LTE system, 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 need expand UE (User Equipment, subscriber equipment) operable bandwidth, introduced carrier aggregation (Carrier Aggregation thus, CA) technology, be about under the same base station a plurality of continuous or discrete carrier aggregation together, be UE service simultaneously, so that required speed to be provided.Sub-district under the different base station (member carrier) can not polymerization.For the UE that guarantees the LTE system can work under the carrier wave of each polymerization, each carrier wave maximum is no more than 20MHz.CA technology such as Fig. 2 of LTE-A system.
Have under the base station of LTE-A system shown in Figure 24 can polymerization carrier wave, the base station can be simultaneously on 4 carrier waves and UE carry out transfer of data, to improve throughput of system.
In the LTE-A system, signaling scheduling and professional transmission are carried out in a plurality of sub-districts of UE polymerization simultaneously.Defined at present the notion of main Serving cell (or claiming main plot) and auxilliary Serving cell (or claiming auxilliary sub-district) at a plurality of sub-districts (cell) of UE polymerization, corresponding respectively UE works as the main carrier (PCC) and the auxilliary carrier wave (SCC) of pre-polymerization.In handoff procedure, UE can only initiate to insert at random on the main plot of target BS, resource needed when the auxilliary sub-district of target BS then provides the carrier aggregation transmission.On the angle of resource allocation, the configuration of some ascending resources (comprising channel-quality feedback (CQI), specific schedule request (DSR) and ascending HARQ feedback (ACK/NACK)) at present is limited on the main plot.The main plot choose be the UE level other, promptly do not require certain identical main plot or the sub-district on the same carrier wave of using of all UE in the system.In addition, the up-downgoing carrier wave that constitutes main carrier need satisfy the corresponding relation of indicating among the system information SIB2.The base station can not dispose the ascending resource of auxilliary sub-district, and only is its configurating downlink resource.
In the CA system, processes such as some cell managements (signal quality of for example deleting an auxilliary sub-district, auxilliary sub-district of reprovision, auxilliary sub-district of activation, Serving cell report etc.) need often retrieve the aggregation cell of UE.The interior sub-district of polymerization scope can be unique definite by frequency and PCI (Physical CellIdentity, Physical Cell Identifier).From the angle of signaling consumption, can avoid reusing in a large number carrier frequency and these two parameters of PCI by introducing cell number parameter (cell index).Introduce UE level cell number parameter at present, be encoded to 3bit, the numbering of a sub-district will be given UE by network allocation in newly-increased this sub-district.The cell number of main plot is fixed as 0, and the sub-district label scope of application of auxilliary sub-district is 1～7.
When switching, whether source base station needs to switch by offering certain UE of judgement in the measurement that receives UE, adjudicates this UE need switch the time when source base station, and source base station can send handoff request message to target BS.If target BS allows to admit this UE, target BS will generate switching command (RRC connects reallocation message, and wherein RRC is the english abbreviation of Radio Resource Control, the control of expression Radio Resource), send to source base station, source base station passes through UE with this switching command again.UE is after receiving switching command, carry out the relevant parameter configuration, rebuild MAC (Media Access Control, the medium access control), RLC (Radio Link Control, Radio Link control), PDCP (Packet Data Convergence Protocol, agreement in the group data set), more new key etc. is switched associative operation.
Switching can be divided between the base station switch and the base station in switching.In the CA system, before and after switching in the base station, the sub-district in the UE configuration set may not can change fully, for example, the cell configuration set of UE before switching is sub-district 1,sub-district 2 andsub-district 3, and after the switching, the configuration set of this UE has become sub-district 2,sub-district 3 andsub-district 4.
The LTE system is a single-carrier system, and UE only is operated on the Serving cell, and when UE switched, UE kept the configuration information of cell-of-origin, and the base station is carried out increment (delta) configuration according to this configuration to Target cell.Yet, for the system that adopts the CA technology, also how not handle the solution of auxilliary this problem of community configured information in the handoff procedure at present at UE.
Summary of the invention
The processing method and the device thereof of auxilliary cell configuration when the object of the present invention is to provide a kind of the switching, the auxilliary cell configuration when switching with realization is handled, and for this reason, the present invention adopts following technical scheme:
Assist the processing method of cell configuration during a kind of the switching, be applied to the handoff procedure of multi-carrier aggregation system, comprising:
The base station sends the radio resource control RRC dedicated signaling to subscriber equipment, and adopt the whether configuration information of auxilliary sub-district, deletion source of explicit way indication subscriber equipment by described RRC dedicated signaling, perhaps under the situation of the configuration information that requires auxilliary sub-district, subscriber equipment deletion source, indicate auxilliary sub-district, the source that needs the deletion configuration information to subscriber equipment.
A kind of base station equipment is applied to the handoff procedure of multi-carrier aggregation system, comprising:
Sending module, be used for sending the radio resource control RRC dedicated signaling to subscriber equipment, and adopt the whether configuration information of auxilliary sub-district, deletion source of explicit way indication subscriber equipment by described RRC dedicated signaling, perhaps under the situation of the configuration information that requires auxilliary sub-district, subscriber equipment deletion source, indicate auxilliary sub-district, the source that needs the deletion configuration information to subscriber equipment;
Configuration module is used for target main plot and target secondary sub-district according to subscriber equipment, for described subscriber equipment carries out corresponding configuration.
Assist the processing method of cell configuration during a kind of the switching, be applied to the handoff procedure of multi-carrier aggregation system, comprising:
Subscriber equipment receives the RRC dedicated signaling that the base station uses said method to send, and according to the indication of the display mode of described RRC dedicated signaling, assists cell configuration.
A kind of subscriber equipment comprises:
Receiver module is used to receive the RRC dedicated signaling that the base station uses said method to send;
Configuration module is used for the indication according to the display mode of described RRC dedicated signaling, assists cell configuration.
The above embodiment of the present invention, send the RRC dedicated signaling by the base station to subscriber equipment, and adopt the whether configuration information of auxilliary sub-district, deletion source of explicit way indication subscriber equipment by described RRC dedicated signaling, perhaps under the situation of the configuration information that requires auxilliary sub-district, subscriber equipment deletion source, indicate auxilliary sub-district, the source that needs the deletion configuration information to subscriber equipment, thereby the auxilliary cell configuration when having realized switching is handled.
Description of drawings
Fig. 1 is the distribution of carriers schematic diagram of LTE sub-district in the prior art;
Fig. 2 is the LTE-A sub-district schematic diagram of available technology adopting CA technology;
The handling process schematic diagram of auxilliary cell configuration during switching that Fig. 3 provides for embodiment of the invention scheme one;
The handling process schematic diagram of auxilliary cell configuration during switching that Fig. 4 provides for embodiment of the invention scheme two;
The handling process schematic diagram of auxilliary cell configuration during switching that Fig. 5 provides for embodiment of the invention scheme three;
Fig. 6 is the application scenarios schematic diagram in the embodiment of the invention;
Fig. 7 is that the RRC in the embodiment of the invention connects the reconfiguration message formats schematic diagram;
The structural representation of the base station equipment that Fig. 8 provides for the embodiment of the invention;
The structural representation of the subscriber equipment that Fig. 9 provides for the embodiment of the invention.
Embodiment
In the CA of LTE-A system technology, introduced the notion of main plot and auxilliary sub-district.Owing to can only use configuration fully in the process of adding auxilliary sub-district, therefore, when UE carried out switching between the base station, the increment configuration can not be carried out to the target secondary sub-district based on the configuration of auxilliary sub-district, source in the base station.So, for handoff scenario between the base station, the configuration information of auxilliary sub-district, source can be deleted.Yet for handoff scenario in the base station, if there is the auxilliary sub-district that does not change before and after switching, the auxilliary cell configuration in reservation source can the saving signaling expense.Therefore, be necessary to distinguish this two kinds of handoff scenario, perhaps the processing mode of unified two kinds of scenes.The treatment mechanism of auxilliary cell configuration when for this reason, the embodiment of the invention has proposed a kind of the switching.The embodiment of the invention is in handoff procedure, and whether target BS utilizes explicit way to indicate UE to delete by the RRC dedicated signaling or delete the configuration which assists the sub-district.
The embodiment of the invention has been enumerated three kinds of schemes, and wherein scheme one needs source base station to provide supplementary (cell index) to target BS, and scheme two and scheme three do not need source base station that supplementary is provided.Fig. 1, Fig. 2 and Fig. 3 show the specific implementation flow process of above-mentioned three kinds of schemes respectively.
Referring to Fig. 3, the handling process schematic diagram of auxilliary cell configuration during the switching that provides for embodiment of the invention scheme one, this flow process can comprise:
Need to prove that source base station can also be other information by the supplementary that handoff request message passes to target BS.As, can comprise sub-district ID (Cell ID), descending frequency+PCI, ECGI (E-UTRAN Cell Global Identity), wherein one or more of UE context (UE context), UE ability, SCell configuration information etc. can also be other supplementarys.Give target BS by transmitting supplementary, indicating target this switching of base station is to switch between the base station on the one hand, can also make target BS carry out other processing according to the supplementary that receives.
Referring to Fig. 4, the handling process schematic diagram of auxilliary cell configuration during the switching that provides for embodiment of the invention scheme two.In this programme, IE of redetermination indicates switching type in switching command (as RRC reconfiguration with MCI), be used to distinguish between the base station switch and the base station in switching, perhaps IE of redetermination indicates UE whether to delete the configuration information that the sub-district is assisted in whole sources.This flow process can comprise:
Step 401, the base station by configuration in switching command or do not dispose this redetermination IE (or by configuration particular value) come this switching of explicit indication be switch between the base station or the base station in switch, or indicate whether to delete whole source SCell (assisting the sub-district) and gather;
Step 402, UE judges whether the configuration information of auxilliary sub-district, whole sources is deleted according to redetermination IE in the switching command, and carries out respective handling according to judged result.Concrete, if redetermination IE is used to indicate switching type, then when switching type be when switching between the base station, UE deletes all SCell configurations according to this IE, does not process otherwise can not dispose SCell; If redetermination IE is used to indicate whether to delete whole SCell, then UE can delete or keep the configuration of all SCell according to this IE.
Referring to Fig. 5, the handling process schematic diagram of auxilliary cell configuration during the switching that provides for embodiment of the invention scheme three, this flow process can comprise:
Comprise cell index in the auxilliary sub-district deletion tabulation in switching command ofstep 501, base station and be all auxilliary sub-districts of 1～7;
Below in conjunction with concrete application scenarios, the embodiment of the invention is described in detail.
Embodiment one: adopt such scheme one to carry out between the base station and switch
As shown in Figure 6, the UE polymerization is operated insub-district 1,sub-district 2 and thesub-district 3 under thebase station 1, theircell number difference 0,1,2.Wherein cell index is that 0 sub-district is the main plot, and cell index is that 1 and 2 sub-district is auxilliary sub-district.
UE 1 moves tobase station 2 from the base station, andbase station 1 judgement UE switches, andbase station 1 sends the handoff request message by X2 or S1 interface tobase station 2, simultaneously with UE thenumbering cellindex base station 2 in this message.
UE receives after the switching command, indication according to wherein sub-district deletion tabulation discharges the configuration information (promptly discharging the configuration information ofsub-district 2 and sub-district 3) that cell index is the auxilliary sub-district, source of 1 and 2 correspondences, the configuration information of main plot, reservation source (being the configuration information of sub-district 1), and based on the configuration information ofsub-district 1, increment configuration information according to the target main plot of carrying in the switching command, the parameter of target main plot is carried out increment configuration, and dispose fully according to the complete configuration information of the target secondary sub-district of carrying in the switching command parameter to the 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.
Auxilliary sub-district relevant parameter can include but not limited to: PDSCH (physical down link sharing channel) relevant parameter, as the PDSCH specialized configuration; PUSCH (physical uplink link sharing channel) relevant parameter is as the PUSCH specialized configuration; SRS (Sounding Reference Signal, detection reference signal) relevant parameter is 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.; The deexcitation timer; And other parameter, no longer enumerate at this.
By above flow process as can be seen, present embodiment passes to target BS by the cell index with auxilliary sub-district, source, can make the configuration information of auxilliary sub-district, target BS indication subscriber equipment deletion source.
Embodiment two: adopt such scheme two to carry out between the base station and switch
This embodiment has defined a new IE in switching command, be used for indicating specially switching type, that is, be switch between the base station or the base station in switching.In the present embodiment, the title of this IE is defined as handoverType-r10, type definition is boolean (bool).If the handoverType-r10 parameter is " false ", the expression switching type is to switch in the base station; If the handoverType-r10 parameter is " true ", the expression switching type is to switch between the base station (also can use " true " expression switching type as switching in the base station, use " false " expression switching type as switching between the base station, decide) on the implication of redetermination IE.This IE can be arranged in the MobilityControlInfo that RRC connects reallocation message, as shown in Figure 7.
As shown in Figure 6, the UE polymerization is operated insub-district 1,sub-district 2 and thesub-district 3 under the base station 1.UE 1 moves tobase station 2 from the base station, andbase station 1 judgement UE switches, andbase station 1 sends the handoff request message by X2 or S1 interface to base station 2.Base station 2 decision in thesub-district 4, sub-district 5 and sub-district 6 admit UE, whereinsub-district 4 is the target main plot, other two sub-districts are the target secondarysub-district.Base station 2 generates switching command then, (wherein the configuration information ofsub-district 4 is for based on the configuration of the increment ofsub-district 1 wherein to comprise the configuration information ofsub-district 4, sub-district 5 and sub-district 6, and sub-district 5 and sub-district 6 are configuration fully), and comprise the handoverType-r10 parameter, the value of this parameter is ' true ', the expression switching type is to switch between the base station, at this kind switching type need delete the configuration information of active auxilliarysub-district.Base station 1 is passed to switching command (connecting reallocation message as RRC) inbase station 2 then, andbase station 1 passes through UE with this switching command.
UE receives after the switching command, is ' true ' according to the handoverType-r10 parameter, judges that switching type is to switch between the base station, there is no need the configuration information of auxilliary sub-district, reservation source.Therefore, UE is with the configuration information deletion (promptly discharging the configuration information ofsub-district 2 and sub-district 3) of the auxilliary sub-district, whole sources of its current preservation, the configuration information (being the configuration information of sub-district 1) that only keeps the main plot, source, and based on the configuration information ofsub-district 1, increment configuration information according to the target main plot of carrying in the switching command, the parameter of target main plot is carried out the increment configuration, according to the complete configuration information of the target secondary sub-district of carrying in the switching command, the parameter of target secondary sub-district is disposed fully.
By above flow process as can be seen, present embodiment is by newly-increased IE in switching command, with the display mode is that UE indicates switching type, when switching type when between the base station, switching, UE need delete its configuration information of active auxilliary sub-district, accordingly, the base station sends to UE with the complete configuration information of target secondary sub-district, so that UE disposes fully to the target secondary sub-district.In like manner, when the indicated switching type of this IE when in the base station, switching, needs also can be deleted the auxilliary cell notification UE of configuration information in the base station, and will need the complete configuration information of the target secondary sub-district that disposes to send to UE, thereby make UE can delete the configuration information of the auxilliary sub-district of respective sources, and the target secondary sub-district is disposed fully according to indication.Wherein, in order to save signaling consumption, for the auxilliary identical auxilliary sub-district, sub-district in target secondary sub-district and source, the configuration information that then can keep this auxilliary sub-district is not deleted, and is corresponding, and the base station can not pass to UE with the configuration information that should assist the sub-district.
Embodiment three: employing scheme two is carried out in the base station and is switched
Based on the IE of redetermination among the embodiment two, in the present embodiment, indicate switching type in the mode that disposes or do not dispose this IE.If the territory of this IE is described as: this IE occurs, and the expression switching type is to switch between the base station; If this IE does not occur, represent that then switching type is to switch in the base station (also can occur by this IE, represent that switching type is to switch in the base station; This IE does not occur representing to switch between the base station, decides on the implication of redetermination IE).
According to existing standard ASN.1, can indicate OPTIONAL in the back of IE, its implication is: this IE can occur in signaling or not occur.If this IE occurs in signaling, then UE can use the Configuration Values of this IE; If this IE does not occur in signaling, the then behavior of UE Need code that need indicate with reference to the OPTIONAL back and the corresponding text description in the agreement.
At present, Need code has three kinds:
(1)Need?OP
Implication is if this IE does not occur in signaling, the then UE behavior that carries on an agreement and stipulate in the process, or carry out the behavior of stipulating among this IE " territory descriptions ";
(2)Need?ON
If this IE does not occur in signaling, then UE does not carry out any operation,, does not dispose this IE that is, perhaps continues to use original value of this IE;
(3)Need?OR
If this IE does not occur in signaling, then UE deletes or stops using the currency of this IE.
Present embodiment is according to above regulation, the Need code of definable OPTIONAL correspondence, performed operation when finding handoverType-r10 in switching command with indication UE.
As shown in Figure 6, the UE polymerization is operated insub-district 1,sub-district 2 and thesub-district 3 under thebase station 1, and wherein sub-district 1 is the main plot, and sub-district 2 and sub-district 3 are auxilliary sub-district, and cell index is respectively 0,1 and 2.At this moment, the measurement result thatbase station 1 reports by UE, decision switches to this UE onsub-district 4, sub-district 5 and thesub-district 3, and wherein sub-district 4 is the main plot, and sub-district 5 and sub-district 3 are auxilliary sub-district.
According to above scene,base station 1 generates switching command, (wherein the configuration information ofsub-district 4 is for based on the configuration of the increment ofsub-district 1 wherein to comprise the configuration information ofsub-district 4 and sub-district 5, and sub-district 5 is configuration fully), and do not comprise the handoverType-r10 parameter, (auxilliary sub-district also is the target secondary sub-district becausesub-district 3 is the source to comprisecell index 1 in the deletion tabulation of sub-district, the configuration information that therefore can keep this auxilliary sub-district, and only delete the configuration information of sub-district 2), UE is passed to switching command (connecting reallocation message as RRC) inbase station 1 then.
UE receives after the switching command, in this signaling, do not find this parameter of handoverType-r10, judge that switching type is to switch in the base station, then UE keeps the configuration information (being the configuration information of sub-district 1) of auxilliary community configured information (configuration information that promptly keeps sub-district 2 and sub-district 3) in its current source and main plot, source.Then, UE connects the indication of the sub-district deletion tabulation in the reallocation message according to RRC, deletion cell index is 1 sub-district (sub-district 2) configuration information, and based on the configuration information of main plot, source (sub-district 1), increment configuration information according to the target main plot of carrying in the switching command, the parameter of target main plot is carried out increment configuration,, the parameter of target secondary sub-district is disposed fully according to the complete configuration information of the target secondary sub-district of carrying in the switching command.After the switching, continue to use the configuration ofsub-district 3.
By above flow process as can be seen, present embodiment is by newly-increased optional IE in switching command, with the display mode is that UE indicates switching type, when carrying this IE in the switching command, UE need delete its configuration information of active auxilliary sub-district, accordingly, the base station sends to UE with the complete configuration information of target secondary sub-district, so that UE disposes fully to the target secondary sub-district.In like manner, when not carrying this IE in the switching command, needs also can be deleted the auxilliary cell notification UE of configuration information in the base station, and will need the complete configuration information of the target secondary sub-district that disposes to send to UE, thereby make UE can delete the configuration information of the auxilliary sub-district of respective sources, and the target secondary sub-district is disposed fully according to indication.Wherein, in order to save signaling consumption, for the auxilliary identical auxilliary sub-district, sub-district in target secondary sub-district and source, the configuration information that then can keep this auxilliary sub-district is not deleted, and is corresponding, and the base station can not pass to UE with the configuration information that should assist the sub-district.
Embodiment four: employing scheme three is carried out between the base station and is switched
As shown in Figure 6, the UE polymerization is operated insub-district 1,sub-district 2 and thesub-district 3 under thebase station 1, theircell number difference 0,1,2.Wherein cell index is that 0 sub-district is the main plot, and cell index is that 1 and 2 sub-district is auxilliary sub-district.
UE receives after the switching command, discharges the configuration information that cell index is the auxilliary sub-district, source of 1～7 correspondence according to the indication of wherein sub-district deletion tabulation, but keeps the configuration information (being the configuration information of sub-district 1) of main plot, source.Wherein, for comprising in the deletion tabulation of sub-district, but the cell index of auxilliary sub-district, the last unexistent source of UE, UE ignores this cell index automatically, and it is wrong not think that this RRC connects reallocation message, that is, and and for present embodiment, UE is 1～7 according to the indication release cell index of sub-district deletion tabulation, only discharges the configuration information of thecell index sub-district 1, increment configuration information according to the target main plot of carrying in the switching command, the parameter of target main plot is carried out increment configuration,, the parameter of target secondary sub-district is disposed fully according to the complete configuration information of the target secondary sub-district of carrying in the switching command.
Need to prove that the implementation of embodiment four also can be applied to the scene of switching in the base station.For handoff scenario in the base station, specific implementation method and present embodiment are similar, do not repeat them here.
By above flow process as can be seen, present embodiment is by carrying cell index1～7 in switching command, delete the auxilliary community configured information in source that this UE is had with display mode indication UE, accordingly, the base station sends to UE with the complete configuration information of target secondary sub-district, so that UE disposes fully to the target secondary sub-district.
Based on identical technical conceive, the embodiment of the invention also provides a kind of base station equipment and subscriber equipment.
Referring to Fig. 8, the structural representation of the base station equipment that provides for the embodiment of the invention.
Sendingmodule 801, be used for sending the radio resource control RRC dedicated signaling to subscriber equipment, and adopt the whether configuration information of auxilliary sub-district, deletion source of explicit way indication subscriber equipment by described RRC dedicated signaling, perhaps under the situation of the configuration information that requires auxilliary sub-district, subscriber equipment deletion source, indicate auxilliary sub-district, the source that needs the deletion configuration information to subscriber equipment;
In the above-mentioned base station equipment, when subscriber equipment switches between the base station, but the handoff request message that sendingmodule 801 reception sources base stations send wherein carries supplementary; And, send described RRC dedicated signaling according to described supplementary, carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the described RRC dedicated signaling, be used to indicate the configuration information of the auxilliary sub-district of subscriber equipment deletion respective sources.The supplementary that sendingmodule 801 sends can comprise that the source assists cell ID.Going back portability in the described RRC dedicated signaling has the complete configuration information of target secondary sub-district.
In the above-mentioned base station equipment, sendingmodule 801 can specifically be used for: send the RRC dedicated signaling, wherein carry specific indication information, described specific indication information is essential information, be used to indicate the subscriber equipment deletion the configuration information of active auxilliary sub-district; Perhaps, send the RRC dedicated signaling, wherein carry the sign and the specific indication information that need auxilliary sub-district, the source of deletion configuration information, described specific indication information is essential information, is used for indicating the configuration information of the auxilliary sub-district of sign deletion respective sources of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling.Concrete, also carry the complete configuration information of target secondary sub-district in the described RRC dedicated signaling that sendingmodule 801 sends; Wherein, when described specific indication information is used for indicating the configuration information of the auxilliary sub-district of sign deletion respective sources of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling, do not comprise in the target secondary sub-district under the described complete configuration information and auxilliary identical sub-district, sub-district, source.
In the above-mentioned base station equipment, sending module 801 can specifically be used for: send the RRC dedicated signaling, if carry specific indication information in the described RRC dedicated signaling, the deletion of then described RRC dedicated signaling indication subscriber equipment the configuration information of active auxilliary sub-district; If do not carry described specific indication information in the described RRC dedicated signaling, also carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the then described RRC dedicated signaling, described RRC dedicated signaling indication subscriber equipment is according to the configuration information of the auxilliary sub-district of sign deletion respective sources of auxilliary sub-district, the source of carrying in this signaling; Perhaps, send the RRC dedicated signaling, if do not carry specific indication information in the described RRC dedicated signaling, the deletion of then described RRC dedicated signaling indication subscriber equipment the configuration information of active auxilliary sub-district; If carry described specific indication information in the described RRC dedicated signaling, also carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the then described RRC dedicated signaling, described RRC dedicated signaling indication subscriber equipment is according to the configuration information of the auxilliary sub-district of sign deletion respective sources of auxilliary sub-district, the source of carrying in this signaling.Further, also carry the complete configuration information of target secondary sub-district in the described switching command that sending module 801 sends; Wherein, when described RRC dedicated signaling indication subscriber equipment is assisted the configuration information of sub-district according to the sign deletion respective sources of auxilliary sub-district, the source of carrying in the described RRC dedicated signaling, do not comprise in the target secondary sub-district under the described complete configuration information and auxilliary identical sub-district, sub-district, source.
In the above-mentioned base station equipment, sendingmodule 801 can specifically be used for: send the RRC dedicated signaling, carry all signs that are used to identify auxilliary sub-district in the described RRC dedicated signaling, be used to indicate subscriber equipment delete this subscriber equipment the configuration information of active auxilliary sub-district.Also carry the complete configuration information of target secondary sub-district in the described switching command that sendingmodule 801 sends.
Referring to Fig. 9, the structural representation of the subscriber equipment that provides for the embodiment of the invention.
In the above-mentioned subscriber equipment,configuration module 902 can be deleted the configuration information of the respective secondary sub-district of this subscriber equipment preservation according to the auxilliary cell ID that carries in the described RRC dedicated signaling.Thisconfiguration module 902 also can be used for, when described subscriber equipment is not preserved the configuration information of auxilliary sub-district of the auxilliary cell ID correspondence of carrying in the described RRC dedicated signaling, ignore in the described RRC dedicated signaling should auxilliary cell ID.
In sum, the embodiment of the invention is in handoff procedure, and whether target BS utilizes explicit way to indicate UE to delete by the RRC dedicated signaling or delete the configuration information of which auxilliary sub-district.This mode comprises again and needs source base station that supplementary is provided and do not need source base station to provide supplementary two situations.Provide supplementary to be meant, source base station can be to the cell index of auxilliary sub-district, target BS transmission source, and target BS utilizes this information that the auxilliary community configured information of UE is deleted.Do not provide supplementary to be meant, target BS sends the switching type indication to UE, perhaps blind deletion is carried out in auxilliary sub-district, the source of UE.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (32)
1. the processing method of an auxilliary cell configuration when switching is applied to the handoff procedure of multi-carrier aggregation system, it is characterized in that, comprising:
The base station sends the radio resource control RRC dedicated signaling to subscriber equipment, and adopt the whether configuration information of auxilliary sub-district, deletion source of explicit way indication subscriber equipment by described RRC dedicated signaling, perhaps under the situation of the configuration information that requires auxilliary sub-district, subscriber equipment deletion source, indicate auxilliary sub-district, the source that needs the deletion configuration information to subscriber equipment.
2. the method for claim 1 is characterized in that, when subscriber equipment switched between the base station, the base station sent the RRC dedicated signaling to subscriber equipment, and by the process that described RRC dedicated signaling carries out described explicit way indication, comprising:
The handoff request message that target BS reception sources base station sends wherein carries supplementary;
Target BS sends described RRC dedicated signaling according to described supplementary, carries the sign that needs auxilliary sub-district, the source of deletion configuration information in the described RRC dedicated signaling, is used to indicate the configuration information of the auxilliary sub-district of subscriber equipment deletion respective sources.
3. method as claimed in claim 2 is characterized in that, described supplementary comprises that the source assists cell ID.
4. method as claimed in claim 2 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described RRC dedicated signaling.
5. the method for claim 1 is characterized in that, described base station sends the RRC dedicated signaling to subscriber equipment, and by the process that described RRC dedicated signaling carries out described display mode indication, comprising:
The base station sends the RRC dedicated signaling, wherein carries specific indication information, and described specific indication information is essential information, be used to indicate the subscriber equipment deletion the configuration information of active auxilliary sub-district;
Perhaps, the base station sends the RRC dedicated signaling, wherein carry the sign and the specific indication information that need auxilliary sub-district, the source of deletion configuration information, described specific indication information is essential information, is used for indicating the configuration information of the auxilliary sub-district of sign deletion respective sources of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling.
6. method as claimed in claim 5 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described RRC dedicated signaling.
7. method as claimed in claim 6, it is characterized in that, when described specific indication information is used for indicating the configuration information of the auxilliary sub-district of sign deletion respective sources of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling, do not comprise in the target secondary sub-district under the described complete configuration information and auxilliary identical sub-district, sub-district, source.
8. method as claimed in claim 5 is characterized in that, described specific indication information is the indication information that is used to represent switching type, described switching type comprise between the base station switch and the base station in switching; Wherein, the specific indication information that expression is switched between the base station is used to indicate the configuration information of the active auxilliary sub-district of subscriber equipment deletion institute, and the specific indication information that switches in the expression base station is used for indicating the sign of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling to delete the configuration information that respective sources is assisted the sub-district.
9. the method for claim 1 is characterized in that, the base station sends the RRC dedicated signaling to subscriber equipment, and by the process that described RRC dedicated signaling carries out described explicit way indication, comprising:
The base station sends the RRC dedicated signaling, if carry specific indication information in the described RRC dedicated signaling, the deletion of then described RRC dedicated signaling indication subscriber equipment the configuration information of active auxilliary sub-district; If do not carry described specific indication information in the described RRC dedicated signaling, also carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the then described RRC dedicated signaling, described RRC dedicated signaling indication subscriber equipment is according to the configuration information of the auxilliary sub-district of sign deletion respective sources of auxilliary sub-district, the source of carrying in this signaling;
Perhaps, the base station sends the RRC dedicated signaling, if do not carry specific indication information in the described RRC dedicated signaling, the deletion of then described RRC dedicated signaling indication subscriber equipment the configuration information of active auxilliary sub-district; If carry described specific indication information in the described RRC dedicated signaling, also carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the then described RRC dedicated signaling, described RRC dedicated signaling indication subscriber equipment is according to the configuration information of the auxilliary sub-district of sign deletion respective sources of auxilliary sub-district, the source of carrying in this signaling.
10. method as claimed in claim 9 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described switching command.
11. method as claimed in claim 10, it is characterized in that, when described RRC dedicated signaling indication subscriber equipment is assisted the configuration information of sub-district according to the sign deletion respective sources of auxilliary sub-district, the source of carrying in the described RRC dedicated signaling, do not comprise in the target secondary sub-district under the described complete configuration information and auxilliary identical sub-district, sub-district, source.
12. the method for claim 1 is characterized in that, described base station sends the RRC dedicated signaling to subscriber equipment, and by the process that described RRC dedicated signaling carries out described display mode indication, comprising:
The base station sends the RRC dedicated signaling, carries all signs that are used to identify auxilliary sub-district in the described RRC dedicated signaling, be used to indicate subscriber equipment delete this subscriber equipment the configuration information of active auxilliary sub-district.
13. method as claimed in claim 12 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described switching command.
14., it is characterized in that described RRC dedicated signaling is a switching command as each described method of claim 1 to 13.
15. a base station equipment is applied to the handoff procedure of multi-carrier aggregation system, it is characterized in that, comprising:
Sending module, be used for sending the radio resource control RRC dedicated signaling to subscriber equipment, and adopt the whether configuration information of auxilliary sub-district, deletion source of explicit way indication subscriber equipment by described RRC dedicated signaling, perhaps under the situation of the configuration information that requires auxilliary sub-district, subscriber equipment deletion source, indicate auxilliary sub-district, the source that needs the deletion configuration information to subscriber equipment;
Configuration module is used for target main plot and target secondary sub-district according to subscriber equipment, for described subscriber equipment carries out corresponding configuration.
16. base station equipment as claimed in claim 15 is characterized in that, when subscriber equipment switched between the base station, described sending module specifically was used for: the handoff request message that the reception sources base station sends wherein carries supplementary; And, send described RRC dedicated signaling according to described supplementary, carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the described RRC dedicated signaling, be used to indicate the configuration information of the auxilliary sub-district of subscriber equipment deletion respective sources.
17. base station equipment as claimed in claim 16 is characterized in that, the supplementary that described sending module sends comprises that the source assists cell ID.
18. base station equipment as claimed in claim 16 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described RRC dedicated signaling that described sending module sends.
19. base station equipment as claimed in claim 15, it is characterized in that described sending module specifically is used for: send the RRC dedicated signaling, wherein carry specific indication information, described specific indication information is essential information, be used to indicate the subscriber equipment deletion the configuration information of active auxilliary sub-district; Perhaps, send the RRC dedicated signaling, wherein carry the sign and the specific indication information that need auxilliary sub-district, the source of deletion configuration information, described specific indication information is essential information, is used for indicating the configuration information of the auxilliary sub-district of sign deletion respective sources of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling.
20. base station equipment as claimed in claim 19 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described RRC dedicated signaling that described sending module sends.
21. base station equipment as claimed in claim 20, it is characterized in that, when described specific indication information is used for indicating the configuration information of the auxilliary sub-district of sign deletion respective sources of the auxilliary sub-district, source that subscriber equipment carries according to described RRC dedicated signaling, do not comprise in the target secondary sub-district under the described complete configuration information and auxilliary identical sub-district, sub-district, source.
22. base station equipment as claimed in claim 15, it is characterized in that, described sending module specifically is used for: send the RRC dedicated signaling, if carry specific indication information in the described RRC dedicated signaling, the deletion of then described RRC dedicated signaling indication subscriber equipment the configuration information of active auxilliary sub-district; If do not carry described specific indication information in the described RRC dedicated signaling, also carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the then described RRC dedicated signaling, described RRC dedicated signaling indication subscriber equipment is according to the configuration information of the auxilliary sub-district of sign deletion respective sources of auxilliary sub-district, the source of carrying in this signaling;
Perhaps, send the RRC dedicated signaling, if do not carry specific indication information in the described RRC dedicated signaling, the deletion of then described RRC dedicated signaling indication subscriber equipment the configuration information of active auxilliary sub-district; If carry described specific indication information in the described RRC dedicated signaling, also carry the sign that needs auxilliary sub-district, the source of deletion configuration information in the then described RRC dedicated signaling, described RRC dedicated signaling indication subscriber equipment is according to the configuration information of the auxilliary sub-district of sign deletion respective sources of auxilliary sub-district, the source of carrying in this signaling.
23. base station equipment as claimed in claim 22 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described switching command that described sending module sends.
24. base station equipment as claimed in claim 23, it is characterized in that, when described RRC dedicated signaling indication subscriber equipment is assisted the configuration information of sub-district according to the sign deletion respective sources of auxilliary sub-district, the source of carrying in the described RRC dedicated signaling, do not comprise in the target secondary sub-district under the described complete configuration information and auxilliary identical sub-district, sub-district, source.
25. base station equipment as claimed in claim 15, it is characterized in that, described sending module specifically is used for: send the RRC dedicated signaling, carry all signs that are used to identify auxilliary sub-district in the described RRC dedicated signaling, be used to indicate subscriber equipment delete this subscriber equipment the configuration information of active auxilliary sub-district.
26. base station equipment as claimed in claim 25 is characterized in that, also carries the complete configuration information of target secondary sub-district in the described switching command that described sending module sends.
27. the processing method of an auxilliary cell configuration when switching is applied to the handoff procedure of multi-carrier aggregation system, it is characterized in that, comprising:
Subscriber equipment receives that use the base station as the RRC dedicated signaling of each described method transmission of claim 1 to 14, and according to the indication of the display mode of described RRC dedicated signaling, assists cell configuration.
28. method as claimed in claim 27 is characterized in that, described subscriber equipment is assisted cell configuration according to the indication of the display mode of described RRC dedicated signaling, comprising:
Described subscriber equipment is deleted the configuration information of the respective secondary sub-district of this subscriber equipment preservation according to the auxilliary cell ID that carries in the described RRC dedicated signaling.
29. method as claimed in claim 28 is characterized in that, this method also comprises:
When described subscriber equipment is not preserved the configuration information of auxilliary sub-district of the auxilliary cell ID correspondence of carrying in the described RRC dedicated signaling, described subscriber equipment ignore in the described RRC dedicated signaling should auxilliary cell ID.
30. a subscriber equipment is characterized in that, comprising:
Receiver module is used to receive the base station and uses the RRC dedicated signaling that sends as each described method of claim 1 to 14;
Configuration module is used for the indication according to the display mode of described RRC dedicated signaling, assists cell configuration.
31. subscriber equipment as claimed in claim 30 is characterized in that, described configuration module specifically is used for, and according to the auxilliary cell ID that carries in the described RRC dedicated signaling, deletes the configuration information of the respective secondary sub-district of this subscriber equipment preservation.
32. subscriber equipment as claimed in claim 31, it is characterized in that, described configuration module also is used for, when described subscriber equipment is not preserved the configuration information of auxilliary sub-district of the auxilliary cell ID correspondence of carrying in the described RRC dedicated signaling, ignore in the described RRC dedicated signaling should auxilliary cell ID.
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| PCT/CN2011/080756WO2012058999A1 (en) | 2010-11-05 | 2011-10-13 | Method for processing secondary cell configuration during switching and device thereof |
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|---|---|---|---|
| CN201010537661XACN102083154A (en) | 2010-11-05 | 2010-11-05 | Method for processing secondary cell allocation during switching and device thereof |
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| CN102083154Atrue CN102083154A (en) | 2011-06-01 |
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| CN201010537661XAPendingCN102083154A (en) | 2010-11-05 | 2010-11-05 | Method for processing secondary cell allocation during switching and device thereof |
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