CN104054388A

CN104054388A - Carrier Aggregation Realizing Method, Device And System

Info

Publication number: CN104054388A
Application number: CN201380003545.1A
Authority: CN
Inventors: 黄敏
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-12-19
Filing date: 2013-12-19
Publication date: 2014-09-17
Anticipated expiration: 2033-12-19
Also published as: CN104054388B; WO2015089791A1

Abstract

The invention provides a carrier aggregation realizing method, device and system. The method includes that PeNB obtains SCell which is a cell added by PeNB for performing inter-station CA of PeNB and SeNB for UE; the PeNB sends a sub cell adding request to an SeNB for enabling the SeNB to distribute corresponding gap resource based on EPS-bearer transferred to SCell and carried by the request; the PeNB receives the sub cell adding request sent by the SeNB; the PeNB sends an RRC reconfiguration information to the UE to enabling the UE to establish a DRB between UE and SeNB according to the gap resource; the PeNB sends a sub cell activation information to the SRC for enabling the UE to perform inter-station CA by utilizing PCell and SCell.

Description

A kind of implementation method of carrier aggregation and Apparatus and system

Technical field

The embodiment of the present invention relates to the communications field, relates in particular to a kind of implementation method and Apparatus and system of carrier aggregation.

Background technology

Carrier aggregation between base station (Carrier Aggregation, CA) refers to for doing CALiang Ge community (main plot, from community) and adheres to different evolved base station (evolved NodeB, eNB) separately.Because CA technology can be brought higher throughput, promote user and experience, also promoted network resource utilization simultaneously, between base station, CA technology has just become a focus of current research.

For CA technology between base station, conventionally at Internet protocol (Internet Protocol, IP) layer is shunted, in main website (Primary eNB, PeNB) and slave station (Secondary eNB, SeNB), there are complete L1, L2 protocol stack, also mean at master station and follow station and all need respectively to set up different Data Radio Bearer (Data Radio Bearer, DRB), the degree of coupling between website is low, insensitive to time delay.

At third generation partner program (3rd Generation Partnership Project, 3GPP) between the base station of Rel-12 in the research of CA, for shunt the following two kinds of methods that mainly contain in IP layer: a kind of is that split point is placed on to gateway (Serving GateWay, SGW), another kind is that split point is placed on to PeNB.

The Inter-eNB CA scheme of shunting for IP layer at present, split point is placed on PeNB or SGW and all cannot arrives dynamic shunt flexibly, for CA between base station, under the prerequisite of dynamic shunt flexibly, how to increase or delete and from community, become the problem receiving much attention.

Summary of the invention

The embodiment of the present invention provides a kind of implementation method and Apparatus and system of carrier aggregation, can under the prerequisite of dynamic shunt, realize increase or the deletion from community.

First aspect, the embodiment of the present invention provides a kind of implementation method of carrier aggregation, comprising:

According to the nearby region measurement report of reported by user equipment UE, the PeNB of main website obtains from community SCell, to be described PeNB carry out the community that between the base station of described PeNB and slave station SeNB, CA increases for described UE to described SCell, wherein said SeNB manages described SCell, described UE is attached on the PCell of main plot, described PCell is managed by described PeNB, and described PeNB is connected with the unified node SRC that controls of Radio Access Network RAN side respectively with described SeNB;

Described PeNB sends and from community, increases request message to described SeNB, so that described SeNB distributes corresponding interface-free resources according to the described evolved packet system carrying EPS-Bearer that moves to described SCell carrying request message that increases from community, wherein, the EPS-Bearer that moves to SCell described in belongs to the EPS-Bearer setting up at described PCell for described UE;

Described PeNB receives described SeNB and sends Cong community and increase response message, describedly from community, increases response message and carries described interface-free resources;

Described PeNB sends radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources, described DRB with described in to move to the EPS-Bearer of described SCell corresponding;

Described PeNB sends and from community, activates message to described SRC, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

In conjunction with first aspect, in the possible implementation of the first of first aspect, described in move to the EPS-Bearer of described SCell, comprising:

Described PeNB determines the EPS-Bearer that moves to described SCell.

In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second of first aspect, described PeNB sends and from community, increases request message to described SeNB, so that described SeNB distributes corresponding interface-free resources according to the described evolved packet system carrying EPS-Bearer that moves to described SCell carrying request message that increases from community, comprising:

Described PeNB sends and from community, increases request message to described SeNB via described SRC, so that described SeNB distributes corresponding interface-free resources according to the described EPS-Bearer that moves to described SCell carrying from community increases request message, described in move to described SCell EPS-Bearer by described PeNB, determined or determined by described SRC;

Described PeNB receives described SeNB and sends Cong community increase response message, comprising:

Described PeNB receives described SeNB via described SRC and sends Cong community and increase response message, describedly from community, increases response message and carries described interface-free resources.

The first possibility or the possible implementation of the second in conjunction with first aspect or first aspect, in the third possible implementation of first aspect, the described request message that increases from community also comprises at least one following parameter: select security algorithm, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, system message, main plot load information, capability information of user facility, bearing association information Bearer Related Info, safe key Security Key, service to provide a description sign SPID.

In conjunction with the first possibility or the second possibility or the third possible implementation of first aspect or first aspect, in the 4th kind of possible implementation of first aspect, described interface-free resources comprises: the configuration parameter of L1, L2 protocol stack.

Second aspect, the embodiment of the present invention also provides a kind of implementation method of carrier aggregation, comprising:

Slave station SeNB receives increases request message from community, the described evolved packet system carrying EPS-Bearer moving to from community SCell that carries from community increase request message, the described EPS-Bearer that moves to described SCell belongs to the EPS-Bearer setting up at main plot PCell for user equipment (UE), to be the PeNB of main website carry out the community that between described PeNB and SeNB base station, CA increases for described UE to described SCell, the community that the nearby region measurement report that described SCell is reported according to UE by described PeNB is obtained, wherein said SeNB manages described SCell, described PeNB manages described PCell, described UE is attached to described PCell, described PeNB is connected with the unified node SRC that controls of Radio Access Network RAN side respectively with described SeNB,

The EPS-Bearer that described SeNB moves to SCell described in being distributes corresponding interface-free resources;

Described SeNB and described SRC set up data channel, described data channel with described in to move to the EPS-Bearer of SCell corresponding one by one;

Described SeNB sends and from community, increases response message to described PeNB, describedly from increasing response message, community carries described interface-free resources, so that described PeNB sends radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources resource, described DRB with described in to move to the EPS-Bearer of described SCell corresponding, after described configuration successful, by described PeNB, to described SRC, send and from community, activate message, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

In conjunction with second aspect, in the possible implementation of the first of second aspect, described slave station SeNB receives increases request message from community, comprising:

Described SeNB receives described PeNB and sends Cong community increase request message;

Or described SeNB receives PeNB and sends Cong community increase request message via described SRC.

In conjunction with the possible implementation of the first of second aspect or second aspect, in the possible implementation of the second of second aspect, described SeNB sends and from community, increases response message to described PeNB, comprising:

Described SeNB sends and from community, increases response message to described PeNB via described SRC.

The first possibility or the possible implementation of the second in conjunction with second aspect or second aspect, in the third possible implementation of second aspect, the described request message that increases from community also comprises at least one following parameter: select security algorithm, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, system message, main plot load information, capability information of user facility, bearing association information Bearer Related Info, safe key Security Key, service to provide a description sign SPID.

The first possibility or the second possibility or the third possible implementation in conjunction with second aspect or second aspect, in the 4th kind of possible implementation of second aspect, the described response message that increases from community, also comprises: the Internet protocol IP address of the Identity Code of described data channel, described SRC.

In conjunction with the first possibility or the second possibility or the third possibility or the 4th kind of possible implementation of second aspect or second aspect, in the 5th kind of possible implementation of second aspect, described interface-free resources comprises: the configuration parameter of L1, L2 protocol stack;

Described data channel is general packet radio service GPRS Tunnel Protocol user plane GTPU tunnel;

The Identity Code of described data channel is Tunnel End Point Identifier TEID.

The third aspect, the embodiment of the present invention also provides a kind of implementation method of carrier aggregation, comprising:

The unified node SRC that controls sets up the data channel between described SRC and slave station SeNB, described data channel is corresponding one by one with the evolved packet network carrying EPS-Bearer moving to from community SCell, the EPS-Bearer of the described SCell of moving to belongs to the EPS-Bearer setting up at main plot PCell for user equipment (UE), wherein said SCell is managed by described SeNB, described PCell is managed by the PeNB of main website, described PeNB is connected with described SRC respectively with described SeNB, and described UE is attached to described PCell;

Described SRC receives described PeNB and sends Cong community and activate message, take to realize described SRC and utilize described PCell and described SCell to carry out CA between base station as described UE.

In conjunction with the third aspect, in the possible implementation of the first of the third aspect, described SRC also comprises before setting up the data channel between described SRC and slave station SeNB:

Described SRC determines the EPS-Bearer that moves to described SCell.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, in the possible implementation of the second of the third aspect, described SRC also comprises before setting up the data channel between described SRC and slave station SeNB:

Described SRC sends Cong community increase request message by described PeNB and is transmitted to described SeNB;

Described SRC sends Cong community increase response message by described SeNB and is transmitted to described PeNB.

In conjunction with the first possibility or the possible implementation of the second of the third aspect or the third aspect, in the third possible implementation of the third aspect, described SRC sets up the data channel between described SRC and SeNB, comprising:

Described SRC sets up the data channel between described SRC and SeNB under the triggering of described PeNB;

Or described SRC sets up the data channel between described SRC and SeNB under the triggering of described SeNB.

In conjunction with the first possibility or the second possibility or the third possible implementation of the third aspect or the third aspect, in the 4th kind of possible implementation of the third aspect,

Described data channel is general packet radio service GPRS Tunnel Protocol user plane GTPU tunnel, and the Identity Code of described data channel is Tunnel End Point Identifier TEID.

The first possibility or the second possibility or the third possibility or the 4th kind of possible implementation in conjunction with the third aspect or the third aspect, in the 5th kind of possible implementation of the third aspect, described SRC also comprises after receiving described PeNB transmission Cong community activation message:

Described SRC receives the downstream data flow that gateway SGW/ public data network gateway PGW sends;

Described SRC sends to described SeNB by described data channel by described downstream data flow.

Fourth aspect, the embodiment of the present invention also provides a kind of implementation method of carrier aggregation, comprising:

According to the nearby region measurement report of reported by user equipment UE, the PeNB of main website determines that Jiang Cong community SCell deletes, described SCell is that described UE is used described PeNB and slave station SeNB to carry out JianCA community, base station, wherein said SeNB manages described SCell, described UE is attached on the PCell of main plot, described PCell is managed by described PeNB, and described PeNB is connected with the unified node SRC that controls respectively with described SeNB;

Described PeNB sends first from community deletion request message to described SRC, so that described SRC stops sending downstream data flow by described SeNB;

Described PeNB receive that SRC sends first from response message is deleted in community, to described UE, send radio resource control RRC reconfiguration message, so that described UE stops using described SCell to send upstream.

In conjunction with fourth aspect, in the possible implementation of the first of fourth aspect, described PeNB, after described UE sends radio resource control RRC reconfiguration message, also comprises:

Described PeNB sends second from community deletion request message to described SeNB, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

In conjunction with the possible implementation of the first of fourth aspect, in the possible implementation of the second of fourth aspect, described PeNB sends second from community deletion request message to described SeNB, comprising:

Described PeNB sends second from community deletion request message via described SRC to described SeNB.

The 5th aspect, the embodiment of the present invention also provides a kind of implementation method of carrier aggregation, comprising:

Radio Access Network RAN side is unified control that node SRC receives that the PeNB of main website sends first from community deletion request message, described PeNB is connected with described SRC respectively with slave station SeNB;

Described SRC stops sending downstream data flow to described SeNB from community deletion request message according to receive described first.

In conjunction with the 5th aspect, in the possible implementation of the first aspect the 5th, described SRC stops, after described SeNB sends downstream data flow, also comprising from community deletion request message according to receive described first:

Described SRC sends first to described PeNB and from community, deletes response message.

The possible implementation of the first in conjunction with the 5th aspect or the 5th aspect, in the possible implementation of the second aspect the 5th, described SRC stops, after described SeNB sends downstream data flow, also comprising from community deletion request message according to receive described first:

Described SRC sends second from community deletion request message to described SeNB, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

The 6th aspect, the embodiment of the present invention also provides a kind of PeNB of main website, comprising:

Acquiring unit, for reporting according to the nearby region measurement of reported by user equipment UE, obtain from community SCell, to be described PeNB carry out the community that between the base station of described PeNB and slave station SeNB, CA increases for described UE to described SCell, wherein said SeNB manages described SCell, it is upper that described UE is attached to main plot PCell, and described PCell is managed by described PeNB, and described PeNB is connected with the unified node SRC that controls of Radio Access Network RAN side respectively with described SeNB;

The first transmitting element, for sending to described SeNB, from community, increase request message, so that described SeNB distributes corresponding interface-free resources according to the described evolved packet system carrying EPS-Bearer that moves to described SCell carrying request message that increases from community, wherein, the EPS-Bearer that moves to SCell described in belongs to the EPS-Bearer setting up at described PCell for described UE;

Receiving element, sends Cong community and increases response message for receiving described SeNB, describedly from community, increases response message and carries described interface-free resources;

The second transmitting element, for send radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources, described DRB with described in to move to the EPS-Bearer of described SCell corresponding;

The 3rd transmitting element, for sending and activate message from community to described SRC, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

In conjunction with the 6th aspect, in the possible implementation of the first aspect the 6th, described PeNB, also comprises: determining unit, and for determining the EPS-Bearer that moves to described SCell.

In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second of first aspect,

Described the first transmitting element, specifically for sending and increase request message from community to described SeNB via described SRC, so that described SeNB distributes corresponding interface-free resources according to the described EPS-Bearer that moves to described SCell carrying from community increases request message, described in move to described SCell EPS-Bearer by described PeNB, determined or determined by described SRC;

Described receiving element, sends Cong community and increases response message specifically for receive described SeNB via described SRC, describedly from community, increases response message and carries described interface-free resources.

The 7th aspect, the embodiment of the present invention also provides a kind of slave station SeNB, comprising:

Receiving element, for receiving, from community, increase request message, the described evolved packet system carrying EPS-Bearer moving to from community SCell that carries from community increase request message, the described EPS-Bearer that moves to described SCell belongs to the EPS-Bearer setting up at main plot PCell for user equipment (UE), to be the PeNB of main website carry out the community that between described PeNB and SeNB base station, CA increases for described UE to described SCell, the community that the nearby region measurement report that described SCell is reported according to UE by described PeNB is obtained, wherein said SeNB manages described SCell, described PeNB manages described PCell, described UE is attached to described PCell, described PeNB is connected with the unified node SRC that controls of Radio Access Network RAN side respectively with described SeNB,

Allocation units, the EPS-Bearer that moves to SCell described in being used to distributes corresponding interface-free resources;

Path Setup unit, for setting up data channel according to described interface-free resources and described SRC, described data channel with described in to move to the EPS-Bearer of SCell corresponding one by one;

Transmitting element, for sending to described PeNB, from community, increase response message, describedly from increasing response message, community carries described interface-free resources, so that described PeNB sends radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources resource, described DRB with described in to move to the EPS-Bearer of described SCell corresponding, after described configuration successful, by described PeNB, to described SRC, send and from community, activate message, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

In conjunction with the 7th aspect, in the possible implementation of the first aspect the 7th, described receiving element, sends Cong community and increases request message specifically for receiving described PeNB; Or, receive PeNB and send Cong community increase request message via described SRC.

In conjunction with the possible implementation of the first of the 7th aspect or the 7th aspect, in the possible implementation of the second aspect the 7th, described transmitting element, specifically for sending and increase response message from community to described PeNB via described SRC.

Eight aspect, the embodiment of the present invention also provides a kind of unified node SRC that controls, and comprising:

Path Setup unit, for setting up the data channel between described SRC and slave station SeNB, described data channel is corresponding one by one with the evolved packet network carrying EPS-Bearer moving to from community SCell, the EPS-Bearer of the described SCell of moving to belongs to the EPS-Bearer setting up at main plot PCell for user equipment (UE), wherein said SCell is managed by described SeNB, described PCell is managed by the PeNB of main website, described PeNB is connected with described SRC respectively with described SeNB, and described UE is attached to described PCell;

The first receiving element, sends Cong community activation message for receiving described PeNB, and utilizing described PCell and described SCell is that described UE carries out CA between base station.

In conjunction with eight aspect, in the possible implementation of the first of eight aspect, described SRC, also comprises: determining unit, and for determining the EPS-Bearer that moves to described SCell.

In conjunction with the possible implementation of the first of eight aspect or eight aspect, in the possible implementation of the second of eight aspect, described SRC, also comprises:

The first transmitting element, is transmitted to described SeNB for described PeNB being sent to Cong community increase request message; Described SeNB is sent to Cong community increase response message and be transmitted to described PeNB.

The first possibility or the possible implementation of the second in conjunction with eight aspect or eight aspect, in the third possible implementation of eight aspect, described Path Setup unit, specifically for setting up the data channel between described SRC and SeNB under the triggering of described PeNB; Or, under the triggering of described SeNB, set up the data channel between described SRC and SeNB.

In conjunction with the first possibility or the second possibility or the third possible implementation of eight aspect or eight aspect, in the 4th kind of possible implementation of eight aspect, described SRC, also comprises:

The second receiving element, the downstream data flow sending for receiving gateway SGW/ public data network gateway PGW;

The second transmitting element, for sending to described SeNB by described data channel by described downstream data flow.

The 9th aspect, the embodiment of the present invention also provides the another kind of PeNB of main website, comprising:

Acquiring unit, for reporting according to the nearby region measurement of reported by user equipment UE, determine that Jiang Cong community SCell deletes, described SCell is that described UE is used described PeNB and slave station SeNB to carry out JianCA community, base station, wherein said SeNB manages described SCell, it is upper that described UE is attached to main plot PCell, and described PCell is managed by described PeNB, and described PeNB is connected with the unified node SRC that controls respectively with described SeNB;

The first transmitting element, for sending first from community deletion request message to described SRC, so that described SRC stops sending downstream data flow to described SeNB;

Receiving element, deletes response message for receiving first of described SRC transmission from community;

The second transmitting element, for described receiving element, receive that SRC sends first from response message is deleted in community, to described UE, send radio resource control RRC reconfiguration message, so that described UE stops using described SCell to send upstream.

In conjunction with the 9th aspect, in the possible implementation of the first aspect the 9th, described PeNB, also comprises:

The 3rd transmitting element, for sending second from community deletion request message to described SeNB, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

In conjunction with the possible implementation of the first of the 9th aspect, in the possible implementation of the second aspect the 9th, described the 3rd transmitting element, specifically for sending second from community deletion request message via described SRC to described SeNB.

The tenth aspect, the embodiment of the present invention also provides another kind of SRC, it is characterized in that, comprising:

Receiving element, for receive that the PeNB of main website sends first from community deletion request message, described PeNB is connected with described SRC respectively with slave station SeNB;

Data flow control, for stopping sending downstream data flow to described SeNB from community deletion request message according to receive described first.

In conjunction with the tenth aspect, in the possible implementation of the first aspect the tenth, described SRC, also comprises:

The first transmitting element, stops after described SeNB sends downstream data flow from community deletion request message according to receive described first for described data flow control, sends first from community, delete response message to described PeNB.

In conjunction with the possible implementation of the first of the tenth aspect or the tenth aspect, in the possible implementation of the second aspect the tenth, described SRC, also comprises:

The second transmitting element, for described data flow control, according to receive described first, from community deletion request message, stop after described SeNB sends downstream data flow, to described SeNB, send second from community deletion request message, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

The tenth on the one hand, and the embodiment of the present invention also provides a kind of system that realizes of carrier aggregation, comprising:

The PeNB of main website as described in any one in the 6th aspect, the slave station SeNB as described in any one in the 7th aspect, the unified node SRC that controls of the Radio Access Network side as described in any one in eight aspect, wherein, described PeNB is connected with described SRC respectively with described SeNB;

Or,

The PeNB of main website as described in any one in the 9th aspect, unified node SRC and the slave station SeNB of controlling of the Radio Access Network side as described in any one in the tenth aspect, wherein, described PeNB is connected with described SRC respectively with described SeNB, described SeNB for receive that described PeNB or described SeNB send second from community deletion request message; Discharge the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:

In embodiments of the invention, the nearby region measurement report acquisition that PeNB reports according to UE is that UE can carry out the SCell that between the base station of PeNB and SeNB, CA increases, then PeNB sends and from community, increases request message to SeNB, SeNB is the EPS-Bearer configuration interface-free resources that moves to SCell, then SeNB is according to the data channel between the interface-free resources foundation distributing and SRC, PeNB gets interface-free resources by receiving Cong community increase response message, PeNB sends RRC reconfiguration message to UE, in RRC reconfiguration message, carry interface-free resources, UE can set up according to interface-free resources the Data Radio Bearer of UE and SeNB, finally by PeNB, to SRC, send and from community, activate message, PeNB is connected with SRC respectively with SeNB, UE just can utilize PCell and SCell to carry out CA between base station, thereby completed the increase flow process of whole SCell, therefore can make UE can realize carrier aggregation.In the embodiment of the present invention, between SeNB and SRC, set up and have data channel, therefore can share the data flow of transmitting by PeNB by SeNB, the split point of data flow is based upon in SRC, do not need the data flow of PeNB transmission can not pass through PeNB, therefore avoided the alternate route problem on PeNB, and the split point of data flow do not need to be based upon in SGW yet, therefore very frequent even if increase the signaling of SCell, can, via core network, not avoid increasing the signaling traffic load of core network yet.

In embodiments of the invention, the nearby region measurement report acquisition that PeNB reports according to UE is that UE removes the SCell that between the base station of using PeNB and SeNB, CA deletes, then PeNB sends first from community deletion request message to SRC, SRC first stops sending downstream data flow to SeNB from community removal request information according to this, PeNB sends RRC reconfiguration message to UE, UE stops using SCell to send upstream according to this RRC reconfiguration message, thereby has completed the deletion flow process of whole SCell.In the embodiment of the present invention, after having increased SCell, realize accordingly therewith the flow process of deleting SCell, guaranteed the scheme integrality of additions and deletions SCell of the implementation method of carrier aggregation.The split point of data flow does not need to be based upon in SGW yet, therefore even if the signaling of deletion SCell is very frequent, can, via core network, not avoid increasing the signaling traffic load of core network yet.

Accompanying drawing explanation

The structure composed schematic diagram of a kind of Inter-eNB CA based on SRC that Fig. 1-a provides for the embodiment of the present invention;

The structure composed reduced graph of a kind of Inter-eNB CA based on SRC that Fig. 1-b provides for the embodiment of the present invention;

The structure composed reduced graph of the Inter-eNB CA of the another kind that Fig. 1-c provides for the embodiment of the present invention based on SRC;

The process blocks schematic diagram of the implementation method of a kind of carrier aggregation that Fig. 2 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 3 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 4 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 5 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 6 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 7 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 8-a provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 8-b provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Fig. 9 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Figure 10 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Figure 11 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Figure 12 provides for the embodiment of the present invention;

The process blocks schematic diagram of the implementation method of the another kind of carrier aggregation that Figure 13 provides for the embodiment of the present invention;

The composition structural representation of a kind of PeNB that Figure 14-a provides for the embodiment of the present invention;

The composition structural representation of the another kind of PeNB that Figure 14-b provides for the embodiment of the present invention;

The composition structural representation of a kind of SeNB that Figure 15 provides for the embodiment of the present invention;

The composition structural representation of a kind of SRC that Figure 16-a provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 16-b provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 16-c provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 16-d provides for the embodiment of the present invention;

The composition structural representation of a kind of PeNB that Figure 17-a provides for the embodiment of the present invention;

The composition structural representation of the another kind of PeNB that Figure 17-b provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 18-a provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 18-b provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 18-c provides for the embodiment of the present invention;

The composition structural representation of the system that realizes of a kind of carrier aggregation that Figure 19 provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 20-a provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 20-b provides for the embodiment of the present invention;

The composition structural representation of the another kind of PeNB that Figure 21 provides for the embodiment of the present invention;

The composition structural representation of the another kind of SeNB that Figure 22 provides for the embodiment of the present invention;

The composition structural representation of the another kind of SRC that Figure 23 provides for the embodiment of the present invention.

Embodiment

The embodiment of the present invention provides a kind of implementation method and Apparatus and system of carrier aggregation, can the in the situation that of dynamic shunt, realize increase or the deletion of Liao Cong community (Secondary Cell, SCell).

For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is known to description, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Embodiment based in the present invention, the every other embodiment that those skilled in the art obtains, belongs to the scope of protection of the invention.

Term " first " in specification of the present invention and claims and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, and needn't be for describing specific order or precedence.The term that should be appreciated that such use suitably can exchange in situation, and this is only to describe the differentiation mode in embodiments of the invention, the object of same alike result being adopted when describing.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, so that the process that comprises a series of unit, method, system, product or equipment are not necessarily limited to those unit, but can comprise clearly do not list or for other intrinsic unit of these processes, method, product or equipment.

Between 3GPP base station, in the research of CA, in IP layer, shunt and mainly contain following two kinds of methods: a kind of is that split point is placed on to SGW, and another kind is that split point is placed on to PeNB.

If the split point of data flow is placed in PeNB, the data flow on all SeNB all must first arrive PeNB, after PeNB processes, re-sends to each SeNB.Like this for the back haul link (Backhaul) of PeNB, except the flow of our station, also need to bear the roundtrip stream of SeNB, this Backhaul to PeNB has increased large pressure very, therefore split point is placed on the scheme of PeNB, can cause alternate route problem.

If the split point of data flow is placed in SGW, can be after increasing SCell, originally a carrying in two carryings that were based upon on PeNB is switched in SCell, specific implementation is: for being switched to Tunnel End Point Identifier (the Tunnel Endpoint ID of the S1UP of carrying distribution in newly-increased SCell, TEID), then by the IP address notification of the TEID distributing in SCell and SeNB to SGW, SGW sends to new TEID and IP address by the downlink data in this carrying, send in SeNB, then in SCell, transmit.Because SGW belongs to core network (Core Network, CN) network element in, the method that this split point by data flow is placed on CN all needs notice to CN when each increase or deletion SCell, because SCell is generally Microcell and exists in a large number, so additions and deletions SCell can be very frequent, this will cause a large amount of signalings that sends to CN, this with the base station of current 3GPP between CA want the increase of Due Diligence signaling traffic load to contradict in discussing.Therefore being sent to the mode of CN, the signaling of a large amount of additions and deletions SCell can cause serious signaling traffic load problem.

For CA scheme between the base station of IP layer shunting, split point is placed on PeNB or SGW and all cannot arrives dynamic shunt flexibly at present.

In the embodiment of the present invention, by unified node (Single RAN Controller, the SRC) network element of controlling of wireless access network (Radio Access Network, RAN) sidepiece administration, can realize dynamic shunt flexibly.

In order to describe the composition structural relation between SRC and PeNB, SeNB in the embodiment of the present invention in detail, refer to the structure composed schematic diagram of carrier aggregation (Inter-eNB CA) between a kind of base station based on SRC as shown in Fig. 1-a.In Fig. 1-a, SRC is deployed in RAN side, also can be referred to as RAN side SRC, PeNB is connected with SRC respectively with SeNB, SRC respectively with mobile management entity (Mobility Management Entity, MME), SGW/ packet data network gateway (Packet Data Network Gateway, PGW) connect, wherein, unified node control face (the Single RAN Controller-Control Plane that controls of Radio Access Network side, SRC-CP) and between MME, set up S1-MME and connect, unified node users face (the Single RAN Controller-User Plane that controls, SRC-UP) and between SGW/PGW, set up S1-UP and connect, between SRC-CP and the S-CP of SeNB, setting up H3 connects, between SRC-CP and the P-CP of PeNB, setting up H2 connects, the PDCP of SRC-UP and SeNB (Packet Data Convergence Protocol, PDCP) between layer, setting up S1UP connects, between the PDCP layer of SRC-UP and PeNB, setting up S1UP connects, in SeNB, include PDCP layer, wireless link is controlled (Radio Link Control, RLC) protocol layer, media are got involved and are controlled (Media Access Control, MAC) layer and physics (Physical, PHY) layer, equally, in PeNB, be also deployed with PDCP layer, rlc layer, MAC layer, PHY layer.In addition, at subscriber equipment (User Equipment, UE) in, include application program (Application, APP), operating system and 3GPP modulator-demodulator, wherein, operating system specifically can refer to operate in the several operation systems in UE, such as Android (Android) system etc., in operating system, be deployed with transmission control protocol (Transmission Control Protocol, TCP)/User Datagram Protoco (UDP) (User Data Protocol, UDP) layer and IP layer, in 3GPP modulator-demodulator, be deployed with non-access (Non Access Stratum, NAS) layer and radio link control (Radio Link Control, RRC) layer, between rrc layer in 3GPP modulator-demodulator and P-CP in PeNB, set up and have a RRC to be connected, and in 3GPP modulator-demodulator, be deployed with PDCP layer, rlc layer, MAC layer, PHY layer, between PeNB and 3GPP modulator-demodulator, there is the data flow #1 that sends or receive, between SeNB and 3GPP, there is the data flow #2 that sends or receive.

For more succinct SRC and the PeNB of introducing, composition structural relation between SeNB, refer to the structure composed reduced graph of a kind of Inter-eNB CA based on SRC as shown in Fig. 1-b, wherein, at RAN sidepiece, affixed one's name to a SRC, SRC and MME, SGW/PGW connects, and SRC respectively with SeNB, PeNB is connected, SeNB, PeNB is also connected with UE respectively, refer to the structure composed reduced graph of another kind as shown in Fig. 1-c Inter-eNB CA based on SRC, wherein, at RAN sidepiece, affixed one's name to a SRC, SRC and MME, SGW/PGW connects, and SRC respectively with SeNB, PeNB is connected, SeNB, PeNB is also connected with UE respectively, between PeNB and SeNB, be also connected to each other.

A newly-increased network element between core net (Core Network, CN) and evolved base station (evolved NodeB, eNB), the SRC describing in the embodiment of the present invention.SRC is deployed in RAN side, SRC is connected with PeNB, SeNB respectively, SRC is as the split point of data flow, therefore split point can not be placed on PeNB in the implementation method of the carrier aggregation that the embodiment of the present invention provides, do not need the data flow of PeNB transmission can not pass through PeNB, avoided the alternate route problem on PeNb, because being deployed in RAN side as split point, SRC split point can be placed on to SGW yet, therefore even the signaling of additions and deletions SCell is very frequent, can, via core network, can not increase the signaling that is sent to CN yet.

Below respectively the implementation method of the carrier aggregation realizing based on PeNB, SeNB, SRC is elaborated.Wherein, SCell is that PeNB is that UE carries out the community that between the base station of PeNB and SeNB, CA increases, SeNB management SCell wherein, and it is upper that UE is attached to PCell, and PCell is managed by PeNB, and PeNB is connected with SRC respectively with SeNB.

Fig. 2 is the implementation method of a kind of carrier aggregation of providing of the embodiment of the present invention, can comprise:

201, the nearby region measurement report reporting according to UE, PeNB obtains SCell.

Pass through nearby region measurement, UE is to PeNB reporting neighboring cell measurement report, if PeNB determines that the SCell that carries out carrier aggregation is not the community under PeNB, PeNB determines and carries out Inter-eNB CA, SCell is the PeNB Target cell that report is selected according to nearby region measurement, and SCell is managed by SeNB.

202, PeNB sends and from community, increases request message to SeNB, so that SeNB distributes corresponding interface-free resources according to increase the evolved packet system carrying (Evolved Packet System-Bearer, EPS-Bearer) that moves to SCell of carrying request message from community.

Wherein, the EPS-Bearer that moves to SCell belongs to the EPS-Bearer setting up at PCell for UE.

UE can set up two or more EPS-Bearer in PCell.

Can be determined by PeNB, need to move to EPS-BearerEPS-Bearer in SCell and can carry identity code (Evolved Packet System-Bearer Identity, EPS-Bearer ID) by evolved packet system and represent.When UE sets up more than two EPS-Bearer in PCell, PeNB can determine an EPS-Bearer or two EPS-Bearer in many EPS-Bearer are moved on SCell.It is multiple that PeNB determines that the mode of the EPS-Bearer that moves to SCell can have, and such as PeNB, can which or which EPS-Bearer be moved in SCell according to the decisions such as traffic performance information of the load information of SCell, UE.Optionally, can also determine the EPS-Bearer that moves to SCell by SRC, specifically consult the description to SRC in subsequent embodiment.

After PeNB determines the EPS-Bearer moving in SCell, PeNB is carried at the EPS-Bearer that determines migration among community increase request message, via SRC, to SeNB, sends and from community, increases request message.Wherein, from community, increase request message and specifically can comprise the EPS-Bearer ID that determines migration.

Optionally, increase request message in PeNB Jiang Cong community directly sends to SeNB.

SeNB receives after community increases request message, SeNB can get the EPS-Bearer that moves to SCell by increase request message from community, SeNB is the above-mentioned EPS-Bearer configuration interface-free resources that moves to SCell, SeNB can be carried at the interface-free resources of configuration from community to be increased response message, via SRC, sends to PeNB or directly sends to PeNB.

203, PeNB receives SeNB and sends Cong community increase response message.

Wherein, from community increase response message, carry the interface-free resources that SeNB is the EPS-Bearer configuration of the above-mentioned SCell of moving to.

PeNB can directly receive from SeNB and send Cong community increase response message.

Optionally, PeNB receives SeNB via SRC and sends Cong community increase response message.

204, PeNB sends RRC reconfiguration message to UE.

Wherein, carry above-mentioned interface-free resources in RRC reconfiguration message, so that UE sets up the DRB of UE and SeNB according to interface-free resources, DRB is corresponding with the EPS-Bearer that moves to SCell.

PeNB is by after community increase response message gets interface-free resources, PeNB is carried at the configuring condition of interface-free resources in RRC reconfiguration message and sends to UE, so that UE sets up the DRB of UE and SeNB according to interface-free resources, DRB is corresponding with the EPS-Bearer that moves to SCell, only have and between UE and SeNB, set up after DRB and DRB and EPS-Bearer set up binding relationship, the data channel between UE and SeNB has just been set up.

205, PeNB sends and from community, activates message to SRC, so that UE utilizes PCell and SCell to carry out CA between base station.

After PeNB reshuffles successfully to the RRC of UE, PeNB sends and from community, activates message to SRC, the data flow in SCell just can be activated, if SRC receives downstream data flow from SGW/PGW, SRC just can send to SeNB by downstream data flow by the data channel establishing between SRC and SeNB, thereby UE just can utilize PCell and SCell to carry out CA between base station.

The nearby region measurement report acquisition that PeNB reports according to UE is that UE can carry out the SCell that between the base station of PeNB and SeNB, CA increases, then PeNB sends and from community, increases request message to SeNB, SeNB is the EPS-Bearer configuration interface-free resources that moves to SCell, then SeNB is according to the data channel between the interface-free resources foundation distributing and SRC, PeNB gets interface-free resources by receiving Cong community increase response message, PeNB sends RRC reconfiguration message to UE, in RRC reconfiguration message, carry interface-free resources, UE can set up according to interface-free resources the Data Radio Bearer of UE and SeNB, finally by PeNB, to SRC, send and from community, activate message, UE just can utilize PCell and SCell to carry out CA between base station, thereby completed the increase flow process of whole SCell, the split point of realizing data flow is based upon the carrier aggregation in SRC situation.

From SeNB angle, as shown in Figure 3, the implementation method of the carrier aggregation that another embodiment of the present invention provides, can comprise:

301, SeNB receives increases request message from community.

Wherein, from community, increase request message and carry the EPS-Bearer that moves to SCell, the EPS-Bearer that moves to SCell belongs to the EPS-Bearer that UE sets up at PCell, SCell is that PeNB is that UE carries out the community that between PeNB and SeNB base station, CA increases, the community that the nearby region measurement report that SCell is reported according to UE by PeNB is obtained.

SeNB directly receives PeNB and sends Cong community increase request message.

Optionally, SeNB receives via SRC and sends Cong community increase request message.

302, SeNB is that the EPS-Bearer that moves to SCell distributes corresponding interface-free resources.

SeNB receives after community increases request message, and SeNB can obtain the EPS-Bearer moving in SCell, and SeNB is the EPS-Bearer configuration interface-free resources that moves to SCell.SeNB is that the interface-free resources of EPS-Bearer configuration specifically can comprise: the configuration parameter of L1, L2 protocol stack.

303, SeNB and SRC set up data channel.

Wherein, data channel is corresponding one by one with the EPS-Bearer that moves to SCell.

In embodiments of the present invention, after SeNB disposes interface-free resources according to the EPS-Bearer that moves to SCell, the data channel between SeNB foundation and SRC, this data channel is corresponding one by one with the EPS-Bearer of SCell,

304, SeNB sends and from community, increases response message to PeNB.

Wherein, from community, increase response message and carry above-mentioned interface-free resources, so that PeNB sends RRC reconfiguration message to UE, in RRC reconfiguration message, carry above-mentioned interface-free resources, so that UE sets up the DRB of UE and SeNB according to interface-free resources resource, DRB is corresponding with the EPS-Bearer that moves to SCell, is sent and from community, activates message, so that UE utilizes PCell and SCell to carry out CA between base station after configuration successful by PeNB to SRC.

SeNB can directly send and from community, increase response message to PeNB, or SeNB sends and from community, increases response message to PeNB via SRC.

As shown in Figure 4, from SRC angle, the implementation method of the carrier aggregation that one embodiment of the invention provides, can comprise:

401, SRC sets up the data channel between SRC and slave station SeNB.

Wherein, data channel is corresponding one by one with the EPS-Bearer that moves to SCell, and the EPS-Bearer that moves to SCell belongs to the EPS-Bearer setting up at PCell for UE, wherein SCell is managed by SeNB, PCell is managed by PeNB, and PeNB is connected with SRC respectively with SeNB, and UE is attached to PCell.

In embodiments of the present invention, refer to as shown in Fig. 1-b and Fig. 1-c, SRC is divided into two parts by the connection between SGW/PGW and PeNB, SeNB, and can revise parameter wherein.Illustrate, in setting up user plane bearer flow process, when SRC receives that the RAB of MME arranges request (E-RAB SETUP REQUEST) message, SRC arranges the IP address of carrying in request message by RAB and is revised as the IP address that changes SRC into, SRC arranges by RAB the TEID carrying in request message and is revised as the SRC of SRC foundation and the TEID of the data channel between SeNB, and then SRC arranges request message by amended RAB again and issues PeNB or SeNB.

It should be noted that, in some embodiments of the invention, before step 401SRC sets up the data channel between SRC and slave station SeNB, the embodiment of the present invention can also comprise the steps: that SRC sends Cong community increase request message by PeNB and is transmitted to SeNB; SRC sends Cong community increase response message by SeNB and is transmitted to PeNB.That is to say, in the time cannot directly communicating to connect between PeNB and SeNB, can bear information forwarding capability by SRC, for the information between PeNB and SeNB, forward, refer to the explanation in previous embodiment.

It should be noted that, in some embodiments of the invention, SRC sets up the data channel between SRC and SeNB, specifically can comprise: SRC sets up the data channel between SRC and SeNB under the triggering of PeNB; Or SRC sets up the data channel between SRC and SeNB under the triggering of SeNB.

That is to say, the data channel that in the embodiment of the present invention, SRC sets up between SRC and SeNB can trigger foundation by PeNB, if concrete SRC receives PeNB and sends Cong community increase request message, SRC can send Cong community increase request message according to PeNB and trigger the data channel of setting up between SRC and SeNB, if concrete SRC receives SeNB and sends Cong community increase request response, SRC can send Cong community increase response message according to SeNB and trigger the data channel of setting up between SRC and SeNB.

It should be noted that, what between the data channel between SeNB foundation and SRC, SRC foundation and SeNB, data channel was described is the process of establishing of a data channel, be that after the parameter of S1UP of SRC configuration oneself and the parameter of the S1UP of SeNB configuration oneself all complete, the data channel between SRC and SeNB has just been successfully established.

Concrete, the data channel that SRC sets up can be general packet radio service (General Packet Radio Service, GPRS) tunnel protocol user plane (GPRS Tunnelling Protocol Userplane, GTPU) tunnel, and the Identity Code of data channel is specifically as follows Tunnel End Point Identifier (Tunnel Endpoint ID, TEID).

402, SRC receives PeNB and sends Cong community and activate message, take to realize SRC and utilize PCell and SCell to carry out CA between base station as UE.

In embodiments of the present invention, after PeNB reshuffles successfully to the RRC of UE, PeNB sends and from community, activates message to SRC, the data flow in SCell just can be activated, if SRC receives downstream data flow from SGW/PGW, SRC just can send to SeNB by downstream data flow by the data channel establishing between SRC and SeNB, thereby UE just can utilize PCell and SCell to carry out CA between base station.

It should be noted that, in some embodiments of the invention, step 402SRC can also comprise the steps: after receiving PeNB transmission Cong community activation message

SRC receives the downstream data flow that SGW/PGW sends;

SRC sends to SeNB by data channel by downstream data flow.

That is to say, after the increase flow process of SCell completes, the downstream data flow that SRC just can send SGW/PGW is transmitted to SeNB, thereby realize UE, utilizes PCell and SCell to carry out CA between base station.

For ease of better understanding and implement the such scheme of the embodiment of the present invention, the corresponding application scenarios of giving an example is below specifically described the increase flow process of SCell.

Fig. 5 is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be the increase flow process of SCell in the implementation method of carrier aggregation.

Before SCell increases, all user plane bearer are all based upon on PCell, suppose that UE foundation has two EPS-Bearer, one of them EPS-Bearer is for transfer of data, another free time, idle EPS-Bearer is defined as auxiliary evolved packet system carrying (Assisting EPS-Bearer).

S501, UE are to PeNB reporting neighboring cell measurement report.

UE, by nearby region measurement, generates nearby region measurement report, wherein, in nearby region measurement report, comprises Neighboring Cell List.

S502, PeNB send first to SRC increases request message, i.e. a SCell Addition Request message from community.

The Cell ID of this first SCell that comprises needs increase from community increase request message.

If PeNB will be CA, PeNB is according to the nearby region measurement report select target community obtaining, if the Target cell of selecting is not the community under PeNB, PeNB need to carry out Inter-eNB CA, and above-mentioned Target cell is to carry out the SCell that Inter-eNB CA need to increase.The PCell of the community at the current place of UE, the base station under SCell is SeNB.

PeNB sends a SCell Addition Request message to SRC.

Optionally, in a SCell Addition Request message message, can carry the parameter such as radio resource control context (Radio Resource Control Context, RRC Context), S1AP Context of PCell.

Wherein, the RRC Context of PCell, S1AP Context parameter mainly can be divided into two classes, and a class is the parameter of PeNB oneself configuration or measurement, as:

（1）Security：Selected?Security?Algorithm；

（2）C-RNTI；

（3）System?Information：MIB、SIB1、SIB2；

（4）PCell?Load?Information。

Another kind of parameter is the parameter passing over from MME, and this class parameter has two kinds of processing modes, and a kind of is to be provided by PeNB, and another kind is directly to be provided by SRC, and this class parameter can be:

（1）UE?Capabilities；

(2) Bearer Related Info:QoS, AMBR, EPS-Bearer ID etc.;

（3）Security?Key；

（4）SPID。

S503, SRC send second to SeNB increases request message, i.e. the 2nd SCell Addition Request message from community.

SRC receives after a SCell Addition Request message, can carry out following processing:

(1) SRC is definite need to move to the EPS-Bearer in SCell;

The EPS-Bearer that moves to SCell belongs to the EPS-Bearer setting up at PCell for UE, and SRC, according to a SCell Addition Request message, determines which EPS-Bearer in the EPS-Bearer setting up at PCell will be migrated in SCell;

(2) SRC is that the EPS-Bearer moving in SCell sets up SRC to the GTPU tunnel of SeNB, the TEID of distribution local terminal, IP address etc.;

If move to EPS-Bearer in SCell, have a plurality ofly, SRC is for each EPS-Bearer sets up the GTPU tunnel between SRC and SeNB, distributes the TEID, IP address of local terminal etc.

(3) the 2nd SCell Addition Request message that SRC structure sends to SeNB;

SRC is the 2nd SCell Addition Request message by a SCell Addition Request message Reseal, comprises need to move to the EPS-Bearer information of SCell and/or SRC and move to the TEID, IP address etc. that EPS-Bearer in SCell distributes local terminal in the 2nd SCell Addition Request message.

Optionally, if MME relevant parameter is provided by SRC in abovementioned steps, SRC inserts MME relevant parameter in the 2nd SCell Addition Request message.

(4) SRC sends the 2nd SCell Addition Request message to SeNB.

S504, SeNB send second to SRC increases response message, i.e. the 2nd SCell Addition Response message from community.

After SeNB receives the 2nd SCell Addition Request message of SRC transmission, SeNB is the EPS-Bearer configuration interface-free resources (for example L1, L2 resource) that moves to SCell, and for moving to the EPS-Bearer of SCell, distributes TEID and the IP address of S1UP.

SeNB builds the 2nd SCell Addition Response message.

Wherein, in the 2nd SCell Addition Response message, wherein comprise the interface-free resources of above-mentioned configuration; In the 2nd SCell Addition Response message, also need the relevant parameter (TEID and IP address) that comprises S1UP, these parameters are used for setting up passage between SeNB and SRC; Optionally, for SRC can shunt more accurately to data stream, can be in the 2nd SCell Addition Response message with on the load information of SCell.

SeNB sends the 2nd SCell Addition Response message to SRC.

S505, SRC send first to PeNB increases response message, i.e. a SCell Addition Response message from community.

From the 2nd SCell Addition Response message, obtaining SeNB is the interface-free resources that moves to the EPS-Bearer configuration of SCell.

SRC sends a SCell Addition Response message to PeNB, and wherein comprising SeNB is the interface-free resources that moves to the EPS-Bearer configuration of SCell.

By the 2nd SCell Addition Request message and the 2nd SCell Addition Response message, set up the passage between SRC and SeNB, for example S1UP tunnel.

Meanwhile, SRC needs how to shunt according to certain algorithm specified data stream.Such as originally there is no data stream transmitting in idle EPS-bearer, so a part of data in former Data Bearer can be assigned in idle EPS-bearer, also the data that are about to distribute are assigned in SCell and are transmitted, and can carry out dynamic shunt according to many factors.

S506, PeNB send RRC reconfiguration message to UE.

PeNB receives after a SCell Addition Response message, to UE, sends RRC reconfiguration message, and RRC reconfiguration message comprises:

SeNB is the interface-free resources that moves to the EPS-Bearer configuration of SCell, so that UE sets up the DRB of UE and SeNB according to above-mentioned interface-free resources, DRB is corresponding with the EPS-Bearer that moves to described SCell; And/or be the newly-increased carrier information of UE.

S507, PeNB send (SCell Activation Start) message from community is activated to SRC.

After RRC reshuffles successfully, PeNB sends from SCell Activation Start message, so that UE utilizes PCell and SCell to carry out CA between base station to SRC.

Optionally, can be determined to move to EPS-Bearer in SCell by PeNB, and from community increase request message, the above-mentioned information of EPS-Bearer SCell that need to move to be sent to SRC by first.

After the increase flow process of above-mentioned SCell completes, if SRC receives downstream data flow from SGW/PGW, SRC just can send to SeNB by downstream data flow by the data channel establishing.

Fig. 6 is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be that the another kind of SCell in the implementation method of carrier aggregation increases flow process, specifically can comprise:

S601, UE are to PeNB reporting neighboring cell measurement report.

UE, by nearby region measurement, generates nearby region measurement report, wherein, in nearby region measurement report, has comprised Neighboring Cell List.

S602, PeNB send SCell Addition Request message to SeNB.

The Cell ID that comprises the SCell of needs increase in SCell Addition Request message.

If PeNB belongs to SeNB in order to carry out CA from the Target cell of nearby region measurement report selection, do not belong to PeNB, PeNB need to carry out Inter-eNB CA, and above-mentioned Target cell is to carry out the SCell that Inter-eNB CA need to increase, the PCell of the community at the current place of UE.

PeNB sends SCell Addition Request message to SeNB.

For auxiliary SeNB configuration interface-free resources, the parameters such as RRC Context, S1AP Context that also can carry PCell in this SCell Addition Request message.

The RRC Context of PCell, S1AP Context parameter are referring to describing above.

PeNB determines to move to EPS-Bearer in SCell, and the EPS-Bearer that moves to SCell belongs to the EPS-Bearer setting up at PCell for UE.

By SCell Addition Request message, the above-mentioned information of EPS-Bearer in SCell that need to move to is sent to SeNB.S603, SeNB send SCell Addition Response message to PeNB.

After SeNB receives the SCell Addition Request message of PeNB transmission, SeNB is the EPS-Bearer configuration interface-free resources (for example L1, L2 resource) that moves to SCell, and for moving to the EPS-Bearer of SCell, distributes TEID and the IP address of S1UP.

SeNB builds SCell Addition Response message, wherein comprises the interface-free resources of above-mentioned configuration, and sends SCell Addition Response message to PeNB.

S604, PeNB send RRC reconfiguration message to UE.

PeNB receives after SCell Addition Response message, to UE, sends RRC reconfiguration message.

S605, SeNB send from community Path Setup request (SCell Tunnel Setup Request) message to SRC.

SeNB will send to SRC by SCell Tunnel Setup Request message for moving to TEID and the IP address of the S1UP that the EPS-Bearer of SCell distributes.

S606, SRC send from community Path Setup response (SCell Tunnel Setup Response) message to SeNB.

Receive after SCell Tunnel Setup Request message, SRC is that the EPS-Bearer moving in SCell sets up SRC to the GTPU tunnel of SeNB, the TEID of distribution local terminal, IP address etc.

By the above-mentioned information of SCell Tunnel Setup Response message, send to SeNB.

By S605 and S606, set up the GTPU tunnel between SRC and SeNB, for example S1UP tunnel.

The embodiment of the present invention does not limit the execution sequencing of step S604 and S605 and S606.

S607, PeNB send SCell Activation Start message to SRC.

Fig. 7 is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be that the another kind of SCell in the implementation method of carrier aggregation increases flow process, specifically can comprise:

S701, UE are to PeNB reporting neighboring cell measurement report.

S702, PeNB send SCell Addition Request message to SeNB.

S703, SeNB send SCell Addition Response message to PeNB.

S704, PeNB send RRC reconfiguration message to UE.

S701～S704 is identical with S601～S604, no longer describes in detail herein.

S705, PeNB send data distribution to SRC and start (Data Spliting Start) message.

After RRC reshuffles successfully, PeNB sends from Data Spliting Start message, so that UE utilizes PCell and SCell to carry out CA between base station to SRC.

S706, SRC send from community Path Setup request (SCell Tunnel Setup Request) message to SeNB.

Receive after Data Spliting Start message, SRC is that the EPS-Bearer moving in SCell sets up SRC to the GTPU tunnel of SeNB, the TEID of distribution local terminal, IP address etc.

TEID, the IP address of the local terminal that SRC distributes the EPS-Bearer for moving in SCell send to SeNB by SCell Tunnel Setup Request message.

S707, SeNB send from community Path Setup response (SCell Tunnel Setup Response) message to SRC.

Receive after SCell Tunnel Setup Request message, SeNB is TEID and the IP address that the EPS-Bearer that moves to SCell distributes S1UP, will by SCell Tunnel Setup Response message, send to SRC for moving to TEID and the IP address of the S1UP that the EPS-Bearer of SCell distributes.

By S706 and S707, set up the GTPU tunnel between SRC and SeNB, for example S1UP tunnel.

Optionally; in Fig. 5 or Fig. 6; if there are abnormal conditions; when SRC receives after the SCell Activation Start message of PeNB transmission; tunnel between discovery SRC and SeNB is not set up extremely or; can pass through step S706 and S707, re-establish the GTPU tunnel between SRC and SeNB, to carry out CA between base station.At split point, be positioned under SRC prerequisite, by said method, complete the increase of SCell, so that UE can utilize PCell and SCell to carry out CA between base station, realize carrier aggregation.The split point of data flow is based upon in SRC, do not need the data flow of PeNB transmission can not pass through PeNB, therefore avoided the alternate route problem on PeNB, and the split point of data flow does not need to be based upon in SGW yet, therefore even it is very frequent to increase the signaling of SCell, can, via core network, not avoid increasing the signaling traffic load of core network yet.

In aforementioned inventive embodiments, described the increase flow process of SCell, the deletion flow process of the SCell that next embodiment of the present invention provides describes.

Refer to shown in Fig. 8-a, the implementation method of the carrier aggregation that another embodiment of the present invention provides, can comprise:

801a, the nearby region measurement report reporting according to UE, PeNB is definite deletes SCell.

Wherein, SCell is that UE is used PeNB and SeNB to carry out JianCACong community, base station, and SeNB manages SCell, and it is upper that UE is attached to PCell, and PCell is managed by PeNB, and PeNB is connected with SRC respectively with SeNB.

It should be noted that, in embodiments of the present invention, previous embodiment is described the increase flow process of SRC in detail, after increasing SCell for UE, UE just can utilize PeNB and SeNB to carry out CA between base station, when the nearby region measurement report reporting according to UE, find that SCell does not meet CA requirement, PeNB is definite deletes SCell.Wherein, in nearby region measurement report, comprised Neighboring Cell List.

802a, PeNB send first from community deletion request message to SRC.

PeNB is definite need to be deleted after SCell, the UE ID of the Cell ID of SCell and above-mentioned UE is carried to first and from the deletion request message of community, sends to SRC, so that SRC stops the data distribution (concrete, can be to stop sending downstream data flow by SeNB) being undertaken by SeNB.

803a, PeNB receive that SRC sends first from response message is deleted in community, to UE, send RRC reconfiguration message.

PeNB sends RRC reconfiguration message to UE, and the RRC reconfiguration message that UE basis receives is the DRB to PeNB by the EPS-Bearer reprovision on SCell.

The report of nearby region measurement that PeNB reports according to UE is determined the SCell that carries out CA between the base station of PeNB and SeNB is deleted, by to SRC, send first from community deletion request message, so that SRC stops carrying out downlink data forwarding by SeNB, by sending RRC reconfiguration message to UE, so that UE stops sending upstream by SeNB, thereby completed the deletion flow process of SCell, guaranteed the scheme integrality of additions and deletions SCell of the implementation method of carrier aggregation.

The implementation method of the carrier aggregation that Fig. 8-b provides for another embodiment of the present invention, describes how to delete SCell from the angle of SRC.

801b, SRC receive that PeNB sends first from community deletion request message.

802b, according to receive first from community deletion request message, SRC stops to UE, sending downstream data flow by SeNB.

SRC receives first after the deletion request message of community, and SRC gets the SCell that needs deletion, and the SeNB under the SCell that then SRC stops deleting to needs sends downstream data flow, stops downlink data and forwards.

SRC receive that PeNB sends first after the deletion request message of community, SeNB under the SCell that SRC stops deleting to needs sends downstream data flow, then SRC sends first to PeNB and from community, deletes response message, so that PeNB receives first after response message is deleted in community, PeNB can know that SRC has stopped sending downstream data flow to SeNB.

It should be noted that, at SRC, according to receive first, from community deletion request message, stop after SeNB sends downstream data flow, can also comprise the steps: that SRC sends second from community deletion request message to SeNB, so that SeNB is released to the interface-free resources that the EPS-Bearer of SCell distributes, and receive SeNB transmission second from community deletion response message.

For ease of better understanding and implement the such scheme of the embodiment of the present invention, below the deletion flow process of SCell is specifically described.

Fig. 9 is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be the deletion flow process of SCell in the implementation method of carrier aggregation, specifically can comprise:

First suppose that UE is in Inter-eNB CA state, UE communicates with PeNB and SeNB simultaneously.

S901, UE are to PeNB reporting neighboring cell measurement report.

UE, by nearby region measurement, generates nearby region measurement report, wherein in nearby region measurement report, comprises Neighboring Cell List.

S902, PeNB send first from community deletion request message to SRC, i.e. a SCell Delete Request message.

The nearby region measurement report reporting according to UE, SCell does not meet CA demand, and PeNB is definite deletes SCell; To SRC, send a SCell Delete Request message, in a SCell Delete Request message message, carry the UE ID of the Cell ID of SCell, above-mentioned UE etc.

S903, SRC send first to PeNB and from community, delete response message, i.e. a SCell Delete Response message.

SRC receives after a SCell Delete Request message, stops carrying out data retransmission by SeNB, then to PeNB, sends a SCell Delete Response message.

S904, PeNB send RRC reconfiguration message to UE.

PeNB receives after the SCell Delete Response message that SRC sends, and to UE, sends RRC reconfiguration message, deletes SCell, simultaneously by the EPS-Bearer reprovision on SCell to the DRB of PeNB.So that UE stops carrying out transmitting uplink data by SeNB.

S905, SRC send second from community deletion request message to SeNB, i.e. the 2nd SCell Delete Request message.

By the 2nd SCell Delete Request message, so that SeNB is released to the interface-free resources that the EPS-Bearer of SCell distributes.

S906, SeNB send second to SRC and from community, delete response message, i.e. the 2nd SCell Delete Response message.

SeNB discharges after above-mentioned interface-free resources, to SRC, sends the 2nd SCell Delete Response message.

By the 2nd SCell Delete Request message and the 2nd SCell Delete Response message, delete the tunnel between SRC and SeNB.

It should be noted that, for fear of SeNB, discharge interface-free resources and reshuffle early than RRC, thereby cause the bust this of upstream data.In embodiments of the present invention, step S905 can replace with: PeNB sends second from community deletion request message to SeNB, step S906 can replace with: SeNB deletes response message, i.e. the 2nd SCell Delete Response message to PeNB feedback second from community.Than aforementioned embodiment as shown in Figure 9, can after reshuffling, RRC to SeNB, send second from community deletion request message by PeNB, so that initiating resource, SeNB discharges, the embodiment shown in earlier figures 9 has better implementation result relatively.

Deletion SCell is determined in the nearby region measurement report that first PeNB reports according to UE, then PeNB to SRC, send first from community deletion request message, SRC can stop sending downstream data flow by SeNB, then PeNB sends RRC reconfiguration message to UE, UE stops sending upstream by SeNB according to this RRC reconfiguration message, thereby completed the deletion flow process of whole SCell, guaranteed the scheme integrality of additions and deletions SCell of the implementation method of carrier aggregation.The split point of data flow does not need to be based upon in SGW yet, therefore even if the signaling of deletion SCell is very frequent, can, via core network, not avoid increasing the signaling traffic load of core network yet.

The increase of SCell and the implementation of deletion in the implementation method of the carrier aggregation that the above embodiment article embodiment of the present invention provides, next the dynamic adjusting method of introducing data flow in the implementation method of the carrier aggregation that the embodiment of the present invention provides, this embodiment can comprise: SRC receives load information and the link quality information that PeNB and/or SeNB report; SRC adjusts distributing strategy according to above-mentioned load information and link quality information; The data flow that SRC carries EPS-Bearer according to above-mentioned distributing strategy on PCell and SCell is adjusted.

Refer to shown in Figure 10, the implementation method of the carrier aggregation that another embodiment of the present invention provides, can comprise:

1001, SRC reception PeNB and/or SeNB report load information and link quality information.

In embodiments of the present invention, SRC is deployed in RAN side, and SRC is connected with PeNB, SeNB respectively, and PeNB reports oneself load information and link quality information to SRC, and SeNB also can report to SRC oneself load information and link quality information.Wherein, load information can comprise: the load of eating dishes without rice or wine, central processing unit (CPU, Central Processing Unit) are processed load, transmission load.

1002, SRC adjusts distributing strategy according to above-mentioned load information and link quality information.

In embodiments of the present invention, after SRC receives the load information and link quality information that PeNB and/or SeNB report, SRC can adjust distributing strategy according to the loading condition of PeNB, SeNB and link quality condition, and wherein distributing strategy is that SRC determines how data stream is shunted according to preset algorithm.

SRC is that the PeNB that collects according to SRC and the load information of SeNB and the difference of link quality information arrange different distributing strategies to the adjustment of distributing strategy, can there is multiple implementation in actual applications, next be illustrated, for example, if PeNB, SeNB report respectively the load information of oneself to SRC, SRC obtains their load information and finds that SCell website is more idle afterwards, and PCell website is busy, if only set up, have an EPS-Bearer carrying, SRC can be adjusted into distributing strategy data flow and adjust to SCell from PCell; If PeNB, SeNB report respectively the link quality information of oneself to SRC, SRC obtains their link quality information and finds that the link-quality of SCell website is relatively good afterwards, and the link-quality of PCell website is poor, if only set up, have an EPS-Bearer carrying, SRC can be adjusted into distributing strategy data flow and adjust to SCell from PCell; If PeNB, SeNB report respectively the load information of oneself to SRC, SRC obtains their load information and finds that SCell website is more idle afterwards, and PCell website is busy, if set up, there are two above EPS-Bearer carryings, be respectively EPS-Bearer1 and EPS-Bearer2, SRC can be adjusted into distributing strategy distributing a part of data in the data flow in EPS-Bearer1 carrying to EPS-Bearer2 above, is transmitted the data flow distributing by EPS-Bearer2.That more than just the adjustment of distributing strategy is carried out illustrates, and in practical application, can decide how to adjust distributing strategy according to applied environment.

1003, the data flow that SRC carries EPS-Bearer according to above-mentioned distributing strategy on PCell and SCell is adjusted.

In embodiments of the present invention, after the load information that SRC reports according to PeNB, SeNB and link quality information are adjusted distributing strategy, the data flow that SRC carries EPS-Bearer according to the distributing strategy after adjusting on PCell and SCell is adjusted, wherein, the data flow that the adjustment mode that SRC can be concrete according to the different distributing strategies of its setting is carried on PCell and SCell EPS-Bearer is adjusted.Illustrate as follows, the data flow of EPS-Bearer being carried on PCell and SCell according to distributing strategy is adjusted, and specifically can comprise at least one implementation of following multiple implementation:

The data flow of carrying on EPS-Bearer is adjusted to website idle in above-mentioned PCell and above-mentioned SCell; Or,

The data flow of carrying on EPS-Bearer is adjusted to above-mentioned PCell and the measured website of above-mentioned SCell link matter; Or,

The data flow of carrying on EPS-Bearer is distributed to a part of data to above-mentioned SCell from above-mentioned PCell.

It should be noted that, in step 1003, SRC depends on SRC in abovementioned steps 1002 to the data flow adjustment of the upper carrying of EPS-Bearer and how to adjust distributing strategy, therefore SRC has multiple to the data flow adjustment mode of the upper carrying of EPS-Bearer in step 1003, need to determine flexibly according to concrete application scenarios, just illustrate herein, not as a limitation of the invention.

After the data flow of according to above-mentioned distributing strategy, EPS-Bearer being carried on PCell and SCell at step 1003SRC is adjusted, can also comprise the steps:

SRC transmits control message to above-mentioned PeNB and/or SeNB, so that above-mentioned PeNB and/or SeNB adjust service quality (QoS, Quality of Service) information separately.

Wherein, SRC transmits control message and can carry out transfer control signaling with the control channel that SRC and PeNB, SeNB set up to PeNB and SeNB, and by the control of SRC, PeNB and SeNB can adjust QoS information separately.

In other embodiment of the present invention, after the data flow that step 1003SRC carries EPS-Bearer according to above-mentioned distributing strategy on PCell and SCell is adjusted, can also comprise the steps:

SRC sends RRC to above-mentioned PeNB and reshuffles Indication message, so that after above-mentioned PeNB receives that RRC reshuffles Indication message, adjust the binding relationship between above-mentioned EPS-Bearer and the DRB of PeNB, and send RRC reconfiguration message to UE, to upgrade the binding relationship between EPS-Bearer and the DRB of PeNB in UE.

That is to say, when reshuffling Indication message according to the RRC of SRC transmission, PeNB adjusted the binding relationship between EPS-Bearer and the DRB of PeNB, and send RRC reconfiguration message to UE, make UE also upgrade the binding relationship between EPS-Bearer and the DRB of PeNB, thus, if the upstream that UE sends, the distribution by the EPS-Bearer of change carrying upstream in PCell and SCell.

From above-described embodiment, SRC is after receiving the load information and link quality information that PeNB and SeNB report, SRC can adjust distributing strategy according to load information and link quality information, the data flow that last SRC carries EPS-Bearer according to the distributing strategy after adjusting on PCell and SCell is adjusted, if the upper carrying of EPS-Bearer is downstream data flow, can realize the dynamic adjustment of downstream data flow in PCell and SCell, to meet down load demand balanced or that select according to link-quality; If the upper carrying of EPS-Bearer is upstream, can realize the dynamic adjustment of upstream in PCell and SCell, meet ascending load equilibrium and performance boost demand.

For ease of better understanding and implement the such scheme of the embodiment of the present invention, the corresponding application scenarios of giving an example is below specifically described.

Referring to as shown in figure 11, is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be the dynamic adjustment flow process of downstream data flow in the implementation method of carrier aggregation, specifically can comprise:

Suppose that UE only has EPS-Bearer carrying, and in UE, set up CA between the base station of PeNB and SeNB.

S1101, SeNB are to SRC load information reporting, link quality information etc.; Load information can be eat dishes without rice or wine load, CPU processing load, transmission load etc.;

S1102, PeNB are to SRC load information reporting, link quality information etc.; Load information can be eat dishes without rice or wine load, CPU processing load, transmission load etc.;

S1103, SRC collect the relevant information of each eNB and adjust distributing strategy, such as by data flow, within many minutes, some are at idle website, or by data flow many minutes some at good website of link-quality etc., the data flow of EPS-Bearer being carried on PCell and SCell according to the distributing strategy after adjusting is adjusted.

Referring to as shown in figure 12, is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be the dynamic adjustment flow process of downstream data flow in the implementation method of carrier aggregation, specifically can comprise:

Suppose that UE has a plurality of EPS-Bearer carrying, the UE of next take has two EPS-Bearer carryings (being respectively EPS-Bearer1 and EPS-Bearer2) and describes as example.

S1201, SeNB are to SRC load information reporting, link quality information etc.; Load information can be eat dishes without rice or wine load, CPU processing load, transmission load etc.;

S1202, PeNB are to SRC load information reporting, link quality information etc.; Load information can be eat dishes without rice or wine load, CPU processing load, transmission load etc.;

S1203, SRC collect the relevant information of each eNB and adjust distributing strategy, such as by data flow, within many minutes, some are at idle website, or within many minutes, some are at good website of link-quality etc. by data flow, the data flow of EPS-Bearer being carried on PCell and SCell according to the distributing strategy after adjusting is adjusted, for example, SRC can intersect data transmission according to data volume size of load information, carrying etc. in two carryings.Illustrate, suppose that the data traffic on EPS-Bearer1 is very large, but PeNB load is heavier, the adjustment by SRC can distribute a part of data flow by the data flow on EPS-Bearer1 and adjusts on SeNB.

Alternatively, if needed, SRC transmits control message to PeNB or SeNB, adjusts the QoS information of each carrying.

Referring to as shown in figure 13, is the schematic flow sheet of the implementation method of another kind of carrier aggregation in the embodiment of the present invention, description be the dynamic adjustment flow process of upstream in the implementation method of carrier aggregation, specifically can comprise:

Suppose that UE has a plurality of EPS-Bearer carrying, the UE of next take has two EPS-Bearer carryings (being respectively EPS-Bearer1 and EPS-Bearer2) and describes for example, and UE has two carryings transmitting data.

S1301, SeNB are to SRC load information reporting, link quality information etc.; Load information can be eat dishes without rice or wine load, CPU processing load, transmission load etc.;

S1302, PeNB are to SRC load information reporting, link quality information etc.; Load information can be eat dishes without rice or wine load, CPU processing load, transmission load etc.;

S1303, SRC can be carried on the distribution in PCell or SCell according to the decisions such as the data volume size of load information, carrying adjustment.

S1304, SRC send RRC to PeNB and reshuffle Indication message.

S1305, PeNB bind the binding relationship between EPS-Bearer ID and DRB after receiving this message again, and concurrent RRC reconfiguration message is upgraded the binding relationship in UE.After upgrading like this by the redistribution causing in the up PCell of being carried on and SCell.

Alternatively, if needed, SRC transmits control message to PeNB or SeNB, adjusts the QoS of each carrying.

Embodiment as shown in Figure 11 to 13 has provided the example that dynamic adjusting data stream distributes in PCell or SCell.By this dynamic adjustment, there is following gain: the dynamic adjustment of downstream data flow in PCell and SCell, meets down load demand balanced or that select according to link-quality; The dynamic adjustment of upstream in PCell and SCell, meets ascending load equilibrium and performance boost demand; Further, due to this adjustment, may cause upstream data to transmit in different bearer, various ce ll, also realize the demand of up-downgoing separation; In addition, in embodiments of the present invention, for a user data carrying, also can realize Inter-eNB CA function.

It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and unit might not be that the present invention is necessary.

For ease of better implementing the such scheme of the embodiment of the present invention, be also provided for implementing the relevant apparatus of such scheme below.

Refer to as shown in Figure 14-a, a kind of PeNB1400 of main website that the embodiment of the present invention provides, can comprise: acquiring unit 1401, the first transmitting element 1402, receiving element 1403, the second transmitting element 1404, the 3rd transmitting element 1405, wherein,

Acquiring unit 1401, for reporting according to the nearby region measurement of reported by user equipment UE, obtain SCell, to be described PeNB carry out the community that between the base station of described PeNB and slave station SeNB, CA increases for described UE to described SCell, wherein said SeNB manages described SCell, it is upper that described UE is attached to main plot PCell, and described PCell is managed by described PeNB, and described PeNB is connected with the unified node SRC that controls respectively with described SeNB;

The first transmitting element 1402, for sending to described SeNB, from community, increase request message, so that described SeNB distributes corresponding interface-free resources according to the described evolved packet system carrying EPS-Bearer that moves to described SCell carrying request message that increases from community, wherein, the EPS-Bearer that moves to SCell described in belongs to the EPS-Bearer that described UE sets up at described PCell;

Receiving element 1403, sends Cong community and increases response message for receiving described SeNB, describedly from community, increases response message and carries described interface-free resources;

The second transmitting element 1404, for send radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources, described DRB with described in to move to the EPS-Bearer of described SCell corresponding;

The 3rd transmitting element 1405, for sending and activate message from community to described SRC, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

Refer to as shown in Figure 14-b, in some embodiments of the invention, with respect to the PeNB1400 as shown in Figure 14-a, PeNB1400, can also comprise: determining unit 1406, and for determining the EPS-Bearer that moves to described SCell.

Optionally, the first transmitting element 1402, specifically for sending and increase request message from community to described SeNB via described SRC, so that described SeNB distributes corresponding interface-free resources according to the described EPS-Bearer that moves to described SCell carrying from community increases request message, described in move to described SCell EPS-Bearer by described PeNB, determined or determined by described SRC;

Optionally, described receiving element 1403, sends Cong community and increases response message specifically for receive described SeNB via described SRC, describedly from community, increases response message and carries described interface-free resources.

The nearby region measurement report acquisition that PeNB reports according to UE is that UE can carry out the SCell that between the base station of PeNB and SeNB, CA increases, then PeNB sends and from community, increases request message to SeNB, SeNB is the EPS-Bearer configuration interface-free resources that moves to SCell, then SeNB is according to the data channel between the interface-free resources foundation distributing and SRC, PeNB gets interface-free resources by receiving Cong community increase response message, PeNB sends RRC reconfiguration message to UE, in RRC reconfiguration message, carry interface-free resources, UE can set up according to interface-free resources the Data Radio Bearer of UE and SeNB, finally by PeNB, to SRC, send and from community, activate message, UE just can utilize PCell and SCell to carry out CA between base station, thereby completed the increase flow process of whole SCell, realize carrier aggregation.

Refer to as shown in figure 15, a kind of slave station SeNB1500 that the embodiment of the present invention provides, can comprise: receiving element 1501, allocation units 1502, Path Setup unit 1503, transmitting element 1504, wherein,

Receiving element 1501, for receiving, from community, increase request message, describedly from community increases request message, carry the EPS-Bearer moving to from community SCell, described in move to described SCell EPS-Bearer belong to the EPS-Bearer setting up at main plot PCell for UE;

Allocation units 1502, the EPS-Bearer that moves to SCell described in being used to distributes corresponding interface-free resources;

Path Setup unit 1503, for setting up data channel with described SRC, described data channel with described in to move to the EPS-Bearer of SCell corresponding one by one;

Transmitting element 1504, for sending to described PeNB, from community, increase response message, describedly from increasing response message, community carries described interface-free resources, so that described PeNB sends radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources resource, described DRB with described in to move to the EPS-Bearer of described SCell corresponding, after described configuration successful, by described PeNB, to described SRC, send and from community, activate message, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

Receiving element 1501, sends Cong community increase request message for directly receiving described PeNB; Or, receive via described SRC and send Cong community increase request message.

Optionally, transmitting element 1504, specifically for sending and increase response message from community to described PeNB via described SRC.

Refer to shown in Figure 16-a, a kind of unified node SRC1600 that controls that the embodiment of the present invention provides, can comprise: Path Setup unit 1601, the first receiving element 1602, wherein,

Path Setup unit 1601, for setting up the data channel between described SRC and slave station SeNB, described data channel is corresponding one by one with the EPS-Bearer moving to from community SCell, described in move to SCell EPS-Bearer belong to the EPS-Bearer that user equipment (UE) is set up at main plot PCell;

The first receiving element 1602, sends Cong community activation message for receiving described PeNB, and utilizing described PCell and described SCell is that described UE carries out CA between base station.

Refer to as shown in Figure 16-b, in some embodiments of the invention, with respect to the SRC1600 as shown in Figure 16-a, SRC1600, can also comprise: determining unit 1603, and for determining the EPS-Bearer that moves to described SCell.

Refer to as shown in Figure 16-c, in some embodiments of the invention, with respect to the SRC1600 as shown in Figure 16-a, SRC1600, can also comprise: the first transmitting element 1604, increases request message forwarding (specifically can refer to Reseal forwards again) to described SeNB for described PeNB being sent to Cong community; Described SeNB is sent to Cong community and increase response message forwarding (specifically can refer to Reseal forwards again) to described PeNB.

In some embodiments of the invention, Path Setup unit 1601, specifically for setting up the data channel between described SRC and SeNB under the triggering of described PeNB; Or, under the triggering of described SeNB, set up the data channel between described SRC and SeNB.

Refer to as shown in Figure 16-d, in some embodiments of the invention, with respect to the SRC1600 as shown in Figure 16-a, SRC1600, can also comprise:

The second receiving element 1605, the downstream data flow sending for receiving gateway SGW/ public data network gateway PGW;

The second transmitting element 1606, for sending to described SeNB by described data channel by described downstream data flow.

Refer to as shown in Figure 17-a, a kind of PeNB1700 of main website that the embodiment of the present invention provides, can comprise: acquiring unit 1701, the first transmitting element 1702, receiving element 1703, the second transmitting element 1704, wherein,

Acquiring unit 1701, for according to the nearby region measurement report of reported by user equipment UE, determines SCell is deleted;

The first transmitting element 1702, for sending first from community deletion request message, so that described SRC stops carrying out data distribution by described SCell to described SRC;

Receiving element 1703, deletes response message for receiving first of described SRC transmission from community;

The second transmitting element 1704, for sending RRC reconfiguration message to described UE, so that described UE stops using described SCell to send upstream.

Refer to as shown in Figure 17-b, in some embodiments of the invention, with respect to the PeNB1700 as shown in Figure 17-a, PeNB1700, can also comprise: the 3rd transmitting element 1705, for sending second from community deletion request message to described SeNB, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

Concrete, the 3rd transmitting element 1705, specifically for sending second from community deletion request message via described SRC to described SeNB.

Refer to as shown in Figure 18-a, a kind of unified node SRC1800 that controls that the embodiment of the present invention provides, can comprise: receiving element 1801, data flow control 1802, wherein,

Receiving element 1801, for receive that PeNB sends first from community deletion request message, described PeNB is connected with described SRC respectively with slave station SeNB;

Data flow control 1802, for stopping to sending downstream data flow by SeNB to UE from community deletion request message according to receive described first.

Refer to as shown in Figure 18-b, in some embodiments of the invention, with respect to the SRC1800 as shown in Figure 18-a, SRC1800, can also comprise:

The first transmitting element 1803, stops after described SeNB sends downstream data flow from community deletion request message according to receive described first for described data flow control, sends first from community, delete response message to described PeNB.

Refer to as shown in Figure 18-c, in some embodiments of the invention, with respect to the SRC1800 as shown in Figure 18-a, SRC1800, can also comprise:

The second transmitting element 1804, for described data flow control, according to receive described first, from community deletion request message, stop after described SeNB sends downstream data flow, to described SeNB, send second from community deletion request message, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

From above-described embodiment, SRC receive that PeNB sends first after the deletion request message of community, SRC can stop sending downstream data flow to the SeNB under SCell, has completed thus the deletion flow process of SCell, can realize the release of carrier aggregation.Guaranteed the scheme integrality of additions and deletions SCell of the implementation method of carrier aggregation.The split point of data flow does not need to be based upon in SGW yet, therefore even if the signaling of deletion SCell is very frequent, can, via core network, not avoid increasing the signaling traffic load of core network yet.

Refer to as shown in figure 19, the system that realizes 1900 of a kind of carrier aggregation that the embodiment of the present invention provides, can comprise: as aforementioned PeNB1400 as described in any one in Figure 14-a and Figure 14-b, as aforementioned SeNB1500 as described in any one in Figure 15, as aforementioned SRC1600 as described in any one in Figure 16-a, Figure 16-b, Figure 16-c, Figure 16-d, wherein, described PeNB1400 is connected with described SRC1600 respectively with described SeNB1500.

The system that realizes of a kind of carrier aggregation that the embodiment of the present invention provides, with the carrier aggregation shown in Figure 19 to realize system similar, can comprise:

As the aforementioned PeNB of main website as described in any one in Figure 17-a and Figure 17-b, as aforementioned unified node SRC and the SeNB of controlling of Radio Access Network side as described in any one in Figure 18-a, Figure 18-b, Figure 18-c, wherein, described PeNB is connected with described SRC respectively with described SeNB, described SeNB for receive that described PeNB or described SeNB send second from community deletion request message; Discharge the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

Refer to as shown in Figure 20-a, a kind of SRC2000 that the embodiment of the present invention provides, can comprise: receiving element 2001, tactful adjustment unit 2002, data flow adjustment unit 2003, wherein,

Receiving element 2001, the load information and the link quality information that for receiving the PeNB of main website and/or slave station SeNB, report;

Strategy adjustment unit 2002, for adjusting distributing strategy according to described load information and link quality information;

Data flow adjustment unit 2003, adjusts for the data flow of evolved packet system carrying EPS-Bearer being carried from community SCell in carrier aggregation main plot PCell and carrier aggregation according to described distributing strategy.

In some embodiments of the invention, described data flow adjustment unit 2003, specifically for: the data flow of the upper carrying of described EPS-Bearer is adjusted to website idle in described PCell and described SCell; Or, the data flow of the upper carrying of described EPS-Bearer is adjusted to described PCell and the measured website of described SCell link matter; Or, the data flow of the upper carrying of described EPS-Bearer is distributed to a part of data from described PCell and flow to described SCell.

In some embodiments of the invention, refer to as shown in Figure 20-b, the management devices 2000 of carrier aggregation can also comprise: transmitting element 2004, and for transmitting control message to described PeNB and/or SeNB, so that described PeNB and/or SeNB adjust service quality QoS information separately.

In some embodiments of the invention, transmitting element 2004, for sending radio resource control RRC to described PeNB, reshuffle Indication message, so that after described PeNB receives that described RRC reshuffles Indication message, the binding relationship between DRB is carried in the data service of adjusting described EPS-Bearer and described PeNB, and send RRC reconfiguration message to user equipment (UE), to upgrade the binding relationship between EPS-Bearer described in described UE and the DRB of described PeNB.

From above-described embodiment, receiving element is after receiving the load information and link quality information that PeNB and SeNB report, strategy adjustment unit can be adjusted distributing strategy according to load information and link quality information, the data flow that final data stream adjustment unit carries EPS-Bearer according to the distributing strategy after adjusting on PCell and SCell is adjusted, if the upper carrying of EPS-Bearer is downstream data flow, can realize the dynamic adjustment of downstream data flow in PCell and SCell, to meet down load demand balanced or that select according to link-quality; If the upper carrying of EPS-Bearer is upstream, can realize the dynamic adjustment of upstream in PCell and SCell, meet ascending load equilibrium and performance boost demand.

It should be noted that, the contents such as the information interaction between each unit of said apparatus, implementation, due to the inventive method embodiment based on same design, its technique effect bringing is identical with the inventive method embodiment, narration in the embodiment of the method for particular content shown in can be aforementioned referring to the present invention repeats no more herein.

The embodiment of the present invention also provides a kind of computer-readable storage medium, and wherein, this computer-readable storage medium has program stored therein, and this program is carried out and comprised the part or all of step of recording in said method embodiment.

Next introduce the another kind of PeNB that the embodiment of the present invention provides, refer to shown in Figure 21, PeNB2100 comprises:

Input unit 2101, output device 2102, processor 2103 and memory 2104 (wherein the quantity of the processor in PeNB2100 2103 can be one or more, and the processor of take in Figure 21 is example).In some embodiments of the invention, input unit 2101, output device 2102, processor 2103 and memory 2104 can be connected by bus or alternate manner, wherein, in Figure 21 to be connected to example by bus.

Wherein, processor 2103, for carrying out following steps:

To described SeNB, send and from community, increase request message, so that described SeNB distributes corresponding interface-free resources according to the described evolved packet system carrying EPS-Bearer that moves to described SCell carrying request message that increases from community, wherein, the EPS-Bearer that moves to SCell described in belongs to the EPS-Bearer setting up at described PCell for described UE;

Receive described SeNB and send Cong community and increase response message, describedly from community, increase response message and carry described interface-free resources;

To described UE, send radio resource control RRC reconfiguration message, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources, described DRB with described in to move to the EPS-Bearer of described SCell corresponding;

To described SRC, send and from community, activate message, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

In some embodiments of the invention, processor 2103, specifically for carrying out following steps:

Determine the EPS-Bearer that moves to described SCell.

Via described SRC, to described SeNB, send and from community, increase request message, so that described SeNB distributes corresponding interface-free resources according to the described EPS-Bearer that moves to described SCell carrying from community increases request message, described in move to described SCell EPS-Bearer by described PeNB, determined or determined by described SRC;

Via described SRC, receive described SeNB and send Cong community and increase response message, describedly from community, increase response message and carry described interface-free resources.

In some embodiments of the invention, the described request message that increases from community of memory 2104 storages also comprises at least one following parameter: select security algorithm, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, system message, main plot load information, capability information of user facility, bearing association information Bearer Related Info, safe key Security Key, service to provide a description sign SPID.

In some embodiments of the invention, the described interface-free resources of memory 2104 storages comprises: the configuration parameter of L1, L2 protocol stack.

Next introduce the another kind of SeNB that the embodiment of the present invention provides, refer to shown in Figure 22, SeNB2200 comprises:

Input unit 2201, output device 2202, processor 2203 and memory 2204 (wherein the quantity of the processor in SeNB2200 2203 can be one or more, and the processor of take in Figure 22 is example).In some embodiments of the invention, input unit 2201, output device 2202, processor 2203 and memory 2204 can be connected by bus or alternate manner, wherein, in Figure 22 to be connected to example by bus.

Wherein, processor 2203, for carrying out following steps:

Reception increases request message from community, the described evolved packet system carrying EPS-Bearer moving to from community SCell that carries from community increase request message, the described EPS-Bearer that moves to described SCell belongs to the EPS-Bearer setting up at main plot PCell for user equipment (UE), to be the PeNB of main website carry out the community that between described PeNB and SeNB base station, CA increases for described UE to described SCell, the community that the nearby region measurement report that described SCell is reported according to UE by described PeNB is obtained, wherein said SeNB manages described SCell, described PeNB manages described PCell, described UE is attached to described PCell, described PeNB is connected with the unified node SRC that controls of Radio Access Network RAN side respectively with described SeNB,

For the EPS-Bearer of the described SCell of moving to distributes corresponding interface-free resources;

Set up data channel with described SRC, described data channel with described in to move to the EPS-Bearer of SCell corresponding one by one;

To described PeNB, send and from community, increase response message, describedly from increasing response message, community carries described interface-free resources, so that described PeNB sends radio resource control RRC reconfiguration message to described UE, in described RRC reconfiguration message, carry described interface-free resources, so that described UE sets up the Data Radio Bearer DRB of described UE and described SeNB according to described interface-free resources resource, described DRB with described in to move to the EPS-Bearer of described SCell corresponding, after described configuration successful, by described PeNB, to described SRC, send and from community, activate message, so that described UE utilizes described PCell and described SCell to carry out CA between base station.

In some embodiments of the invention, processor 2203, specifically for carrying out following steps:

Receive described PeNB and send Cong community increase request message;

Or, receive PeNB and send Cong community increase request message via described SRC.

Via described SRC, to described PeNB, send and from community, increase response message.

In some embodiments of the invention, the described request message that increases from community of memory 2204 storages also comprises at least one following parameter: select security algorithm, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, system message, main plot load information, capability information of user facility, bearing association information Bearer Related Info, safe key Security Key, service to provide a description sign SPID.

In some embodiments of the invention, the described response message that increases from community of memory 2204 storages, also comprises: the Internet protocol IP address of the Identity Code of described data channel, described SRC.

In some embodiments of the invention, the described interface-free resources of memory 2204 storages comprises: the configuration parameter of L1, L2 protocol stack;

Next introduce the another kind of SRC that the embodiment of the present invention provides, refer to shown in Figure 23, SRC2300 comprises:

Input unit 2301, output device 2302, processor 2303 and memory 2304 (wherein the quantity of the processor in PeNB2300 2303 can be one or more, and the processor of take in Figure 23 is example).In some embodiments of the invention, input unit 2301, output device 2302, processor 2303 and memory 2304 can be connected by bus or alternate manner, wherein, in Figure 23 to be connected to example by bus.

Wherein, processor 2303, for carrying out following steps:

Set up the data channel between described SRC and slave station SeNB, described data channel is corresponding one by one with the evolved packet network carrying EPS-Bearer moving to from community SCell, the EPS-Bearer of the described SCell of moving to belongs to the EPS-Bearer setting up at main plot PCell for user equipment (UE), wherein said SCell is managed by described SeNB, described PCell is managed by the PeNB of main website, described PeNB is connected with described SRC respectively with described SeNB, and described UE is attached to described PCell;

Receive described PeNB and send Cong community and activate message, take and realize described SRC and utilize described PCell and described SCell to carry out CA between base station as described UE.

In some embodiments of the invention, processor 2303, also for carrying out following steps:

Before setting up the data channel between described SRC and slave station SeNB, determine the EPS-Bearer that moves to described SCell.

In some embodiments of the invention, processor 2303, also for carrying out following steps: before setting up the data channel between described SRC and slave station SeNB, described PeNB is sent to Cong community increase request message and be transmitted to described SeNB;

In some embodiments of the invention, processor 2303, specifically for carrying out following steps:

Under the triggering of described PeNB, set up the data channel between described SRC and SeNB;

Or, under the triggering of described SeNB, set up the data channel between described SRC and SeNB.

In some embodiments of the invention, the described data channel of memory 2304 storages is general packet radio service GPRS Tunnel Protocol user plane GTPU tunnel, and the Identity Code of described data channel is Tunnel End Point Identifier TEID.

In some embodiments of the invention, processor 2303, also for carrying out following steps: after receiving described PeNB transmission Cong community activation message, receive the downstream data flow that gateway SGW/ public data network gateway PGW sends; By described data channel, described downstream data flow is sent to described SeNB.

Next introduce the another kind of PeNB that the embodiment of the present invention provides, with the composition structure similar of the PeNB shown in Figure 21, difference is the execution function of processor, describes as follows, and PeNB comprises:

Input unit, output device, processor and memory (wherein the quantity of the processor in PeNB can be one or more, and the processor of specifically can take is example).In some embodiments of the invention, input unit, output device, processor and memory can be connected by bus or alternate manner, wherein, and specifically can be to be connected to example by bus.

Wherein, processor is used for carrying out following steps:

According to the nearby region measurement report of reported by user equipment UE, determine that Jiang Cong community SCell deletes, described SCell is that described UE is used described PeNB and slave station SeNB to carry out JianCA community, base station, wherein said SeNB manages described SCell, described UE is attached on the PCell of main plot, described PCell is managed by described PeNB, and described PeNB is connected with the unified node SRC that controls respectively with described SeNB;

To described SRC, send first from community deletion request message, so that described SRC stops sending downstream data flow by described SeNB;

Receive that SRC sends first from response message is deleted in community, to described UE, send radio resource control RRC reconfiguration message, so that described UE stops using described SCell to send upstream.

In some embodiments of the invention, processor is also for carrying out following steps: described PeNB, after described UE sends radio resource control RRC reconfiguration message, also comprises:

In some embodiments of the invention, processor is specifically for carrying out following steps: described PeNB sends second from community deletion request message via described SRC to described SeNB.

Next introduce the another kind of SRC that the embodiment of the present invention provides, with the composition structure similar of the SRC shown in Figure 23, difference is the execution function of processor, describes as follows, and SRC comprises:

Input unit, output device, processor and memory (wherein the quantity of the processor in SRC can be one or more, and the processor of specifically can take is example).In some embodiments of the invention, input unit, output device, processor and memory can be connected by bus or alternate manner, wherein, and specifically can be to be connected to example by bus.

Wherein, processor is used for carrying out following steps:

Receive that the PeNB of main website sends first from community deletion request message, described PeNB is connected with described SRC respectively with slave station SeNB;

According to receive described first, from community deletion request message, stop sending downstream data flow to described SeNB.

In some embodiments of the invention, processor is specifically for carrying out following steps: according to receive described first, from community deletion request message, stop after described SeNB sends downstream data flow, send first from community, delete response message to described PeNB.

In some embodiments of the invention, processor is specifically for carrying out following steps: according to receive described first, from community deletion request message, stop after described SeNB sends downstream data flow, to described SeNB, send second from community deletion request message, so that described SeNB discharges the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.

It should be noted that in addition, device embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.In addition, in device embodiment accompanying drawing provided by the invention, the annexation between module represents to have communication connection between them, specifically can be implemented as one or more communication bus or holding wire.Those of ordinary skills, in the situation that not paying creative work, are appreciated that and implement.

Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly comprise that application-specific integrated circuit (ASIC), dedicated cpu, private memory, special-purpose components and parts etc. realize by specialized hardware.Generally, all functions being completed by computer program can realize with corresponding hardware at an easy rate, and the particular hardware structure that is used for realizing same function can be also diversified, such as analog circuit, digital circuit or special circuit etc.But software program realization is better execution mode under more susceptible for the purpose of the present invention condition.Understanding based on such, 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 can read, as the floppy disk of computer, USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) method described in each embodiment of execution the present invention.

In sum, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record the various embodiments described above is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. an implementation method of carrier aggregation CA, is characterized in that, comprising:

2. method according to claim 1, is characterized in that, described in move to the EPS-Bearer of described SCell, comprising:

Described PeNB determines the EPS-Bearer that moves to described SCell.

3. method according to claim 1 and 2, it is characterized in that, described PeNB sends and from community, increases request message to described SeNB, so that described SeNB distributes corresponding interface-free resources according to the described evolved packet system carrying EPS-Bearer that moves to described SCell carrying request message that increases from community, comprising:

4. according to the method in any one of claims 1 to 3, it is characterized in that, the described request message that increases from community also comprises at least one following parameter: select security algorithm, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, system message, main plot load information, capability information of user facility, bearing association information Bearer Related Info, safe key Security Key, service to provide a description sign SPID.

5. according to the method described in any one in claim 1 to 4, it is characterized in that, described interface-free resources comprises: the configuration parameter of L1, L2 protocol stack.

6. an implementation method of carrier aggregation CA, is characterized in that, comprising:

7. method according to claim 6, is characterized in that, described slave station SeNB receives increases request message from community, comprising:

8. according to the method described in claim 6 or 7, it is characterized in that, described SeNB sends and from community, increases response message to described PeNB, comprising:

9. according to the method described in any one in claim 6 to 8, it is characterized in that, the described request message that increases from community also comprises at least one following parameter: select security algorithm, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, system message, main plot load information, capability information of user facility, bearing association information Bearer Related Info, safe key Security Key, service to provide a description sign SPID.

10. according to the method described in any one in claim 6 to 9, it is characterized in that, the described response message that increases from community, also comprises: the Internet protocol IP address of the Identity Code of described data channel, described SRC.

11. according to the method described in any one in claim 6 to 10, it is characterized in that, described interface-free resources comprises: the configuration parameter of L1, L2 protocol stack;

The implementation method of 12. 1 kinds of carrier aggregation CA, is characterized in that, comprising:

13. methods according to claim 12, is characterized in that, described SRC also comprises before setting up the data channel between described SRC and slave station SeNB:

Described SRC determines the EPS-Bearer that moves to described SCell.

14. according to the method described in claim 12 or 13, it is characterized in that, described SRC also comprises before setting up the data channel between described SRC and slave station SeNB:

15. according to claim 12 to the method described in any one in 14, it is characterized in that, described SRC sets up the data channel between described SRC and SeNB, comprising:

16. according to claim 12 to the method described in any one in 15, it is characterized in that,

17. according to claim 12 to the method described in any one in 16, it is characterized in that, described SRC receives described PeNB and sends after Cong community activates message, also comprises:

The implementation method of 18. 1 kinds of carrier aggregation CA, is characterized in that, comprising:

19. methods according to claim 18, is characterized in that, described PeNB, after described UE sends radio resource control RRC reconfiguration message, also comprises:

20. methods according to claim 19, is characterized in that, described PeNB sends second from community deletion request message to described SeNB, comprising:

The implementation method of 21. 1 kinds of carrier aggregation CA, is characterized in that, comprising:

22. methods according to claim 21, is characterized in that, described SRC stops, after described SeNB sends downstream data flow, also comprising from community deletion request message according to receive described first:

23. according to the method described in claim 21 or 22, it is characterized in that, described SRC stops, after described SeNB sends downstream data flow, also comprising from community deletion request message according to receive described first:

The PeNB of 24.Yi Zhong main website, is characterized in that, comprising:

25. PeNB according to claim 24, is characterized in that, described PeNB, also comprises: determining unit, and for determining the EPS-Bearer that moves to described SCell.

26. according to the PeNB described in claim 24 or 25, it is characterized in that,

27. 1 kinds of slave station SeNB, is characterized in that, comprising:

28. SeNB according to claim 27, is characterized in that, described receiving element sends Cong community increase request message specifically for receiving described PeNB; Or, receive PeNB and send Cong community increase request message via described SRC.

29. according to the SeNB described in claim 27 or 28, it is characterized in that, described transmitting element, specifically for sending and increase response message from community to described PeNB via described SRC.

30. 1 kinds of unified node SRC that control, is characterized in that, comprising:

31. SRC according to claim 30, is characterized in that, described SRC, also comprises: determining unit, and for determining the EPS-Bearer that moves to described SCell.

32. according to the SRC described in claim 30 or 31, it is characterized in that, described SRC, also comprises:

33. according to the SRC described in any one in claim 30 to 32, it is characterized in that, described Path Setup unit, specifically for setting up the data channel between described SRC and SeNB under the triggering of described PeNB; Or, under the triggering of described SeNB, set up the data channel between described SRC and SeNB.

34. according to the SRC described in any one in claim 30 to 33, it is characterized in that, described SRC, also comprises:

The PeNB of 35.Yi Zhong main website, is characterized in that, comprising:

36. PeNB according to claim 35, is characterized in that, described PeNB, also comprises:

37. PeNB according to claim 36, is characterized in that, described the 3rd transmitting element, specifically for sending second from community deletion request message via described SRC to described SeNB.

38. 1 kinds of unified node SRC that control of Radio Access Network side, is characterized in that, comprising:

39. according to the SRC described in claim 38, it is characterized in that, described SRC, also comprises:

40. according to the SRC described in claim 38 or 39, it is characterized in that, described SRC, also comprises:

The system that realizes of 41. 1 kinds of carrier aggregation CA, is characterized in that, described system comprises:

The PeNB of main website as described in any one in claim 24 to 26, the slave station SeNB as described in any one in claim 27 to 29, the unified node SRC that controls of the Radio Access Network side as described in any one in claim 30 to 34, wherein, described PeNB is connected with described SRC respectively with described SeNB;

Or,

The PeNB of main website as described in any one in claim 35 to 37, unified node SRC and the slave station SeNB of controlling as described in any one in claim 38 to 40, wherein, described PeNB is connected with described SRC respectively with described SeNB, described SeNB for receive that described PeNB or described SeNB send second from community deletion request message; Discharge the interface-free resources of distributing according to the evolved packet system carrying EPS-Bearer that moves to described SCell.