CN102378360B

CN102378360B - Method, system and device for transmitting X2 transport address and establishing X2 interface

Info

Publication number: CN102378360B
Application number: CN201010264362.3A
Authority: CN
Inventors: 刘洋; 王彦; 刘爱娟; 赵瑾波
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2014-06-18
Anticipated expiration: 2030-08-26
Also published as: CN102378360A; WO2012025059A1

Abstract

The embodiment of the invention relates to the wireless communication technical field, in particular to a method, a system and a device for establishing an X2 interface, which is used for establishing the X2 interface between an evolved base station (eNB) and a home base station gateway (HeNB GW) in a network architecture containing the HeNB GW. The method for establishing the X2 interface comprises the following steps that: a first network-side device acquires an X2 transport address of a second network-side device through a mobility management entity (MME); and the first network-side device establishes an X2 interface with the second network-side device according to the X2 transport address of the second network-side device. Since the first network-side device can acquire the X2 transport address of the second network-side device, and a first network side is provided with the X2 interface which is established with the second network-side device, the X2 interface can be established between the eNB and the HeNB GW in the network architecture containing the HeNB GW, and the network-side performance is improved.

Description

Send X2 transport address and method, system and the equipment of setting up X2 interface

Technical field

The present invention relates to wireless communication technology field, particularly a kind of X2 of transmission transport address and method, system and the equipment of setting up X2 interface.

Background technology

E-UTRAN (Evolved Universal Terrestrial RadioAccess Network in R10 (version 10) at present, the general land wireless network of evolution) comprise HeNB GW (femto gateway) the network architecture in, between eNB (evolution base station), it is X2 interface, eNB and MME (Mobility Management Entity, Mobility Management Entity) between be S1 interface, HeNB can directly be connected with MME, also can be linked into MME by a centralized node HeNB GW, HeNB can only be connected with a HeNB GW simultaneously, between eNB and HeNB, can set up indirectly X2 interface by HeNB GW.

HeNB GW is as a special network element, be equivalent to eNB, and have oneself an eNB ID (mark), the eNB being connected with HeNB GW can obtain the HeNB cell information under this HeNB GW by ANR, as HeNB ID, TAI (Tracking Area Identity, tracking area identification), E-CGI (E-UTRAN Cell GlobalIdentifier, E-UTRAN Cell Global Identity) etc.

Set up at present X2 interface flow process as follows:

1, eNB A receives the measurement report (under certain community of the current eNB of the residing in A of UE) from UE (terminal), PCI (the Physical cellID that the inside comprises certain community under eNB B, physical cell identity), and eNB A does not preserve the information of Guo Gai community before;

2, eNB A is definite need to add this cell information to NRT (Neighbor Relation Table, neighborhood region correlation chart) in, instruction UE reads E-CGI, TAC (the Tracking Area Update of Target cell, tracing section updating), PLMN (Public Land Mobile Network, Public Land Mobile Nerwork) etc.;

3, UE is reported to eNB A after obtaining above information, and eNB A determines to set up between the affiliated eNB in Yu Gai community and sets up X2 interface, and according to the ID of the E-CGI information acquisition eNB B of this community;

4, eNB A initiates eNB configuration transfer (base station configuration transmission) process to MME, by with the mutual TNL of eNB B (Transport Network Layer, transport network layer) information, the transport layer address of acquisition eNB B;

5, eNB A, according to the transport layer address of eNB B, initiates X2 process of establishing, sets up X2 interface.

But in the network architecture that contains HeNB GW, also the scheme of not setting up X2 interface between a kind of eNB and HeNB GW at present.

Summary of the invention

The embodiment of the present invention provides the method for a kind of X2 of transmission transport address and sets up method, system and the equipment of X2 interface, in order in the network architecture that contains HeNB GW, can make to set up X2 interface between eNB and HeNB GW.

A kind of method of setting up X2 interface that the embodiment of the present invention provides, comprising:

First network side apparatus obtains the X2 transport address of second network side apparatus by Mobility Management Entity MME;

Described first network side apparatus is according to the X2 transport address of described second network side apparatus, and sets up X2 interface between described second network side apparatus.

The method of a kind of X2 of transmission transport address that the embodiment of the present invention provides, comprising:

Second network side apparatus is determined the X2 transport address that first network side apparatus needs;

Described second network side apparatus sends definite X2 transport address by MME to described first network side apparatus.

A kind of network measurement equipment that the embodiment of the present invention provides, comprising:

Acquisition module, for obtaining the X2 transport address of second network side apparatus by MME;

Set up module, for according to the X2 transport address of described second network side apparatus, and set up X2 interface between described second network side apparatus.

The another kind of network measurement equipment that the embodiment of the present invention provides, comprising:

Transport address determination module, for the X2 transport address of determining that first network side apparatus needs;

Notification module, for sending definite X2 transport address by MME to described first network side apparatus.

A kind of MME that the embodiment of the present invention provides, comprising:

The first forwarding module, for being transmitted to second network side apparatus for the information of obtaining second network side apparatus X2 transport address from first network side apparatus;

The second forwarding module, for being transmitted to first network side apparatus by the X2 transport address from second network side apparatus.

A kind of system of setting up X2 interface that the embodiment of the present invention provides, comprising:

First network side apparatus, for obtain the X2 transport address of second network side apparatus by MME, and according to the X2 transport address of described second network side apparatus, and set up X2 interface between described second network side apparatus;

MME, for sending the X2 transport address of described second network side apparatus to described first network side apparatus;

Second network side apparatus, for sending the X2 transport address of described second network side apparatus to MME.

Because first network side apparatus can obtain the X2 transport address of second network side apparatus, first network side is established between second network side apparatus and is set up X2 interface, for in the network architecture that contains HeNB GW, can make to set up X2 interface between eNB and HeNB GW, improve network side performance.

Brief description of the drawings

Fig. 1 is the system configuration schematic diagram that the embodiment of the present invention is set up X2 interface;

Fig. 2 is embodiment of the present invention the first network equipment structural representation;

Fig. 3 is embodiment of the present invention the second network equipment structural representation;

Fig. 4 is the structural representation of embodiment of the present invention MME;

Fig. 5 is the method flow schematic diagram that the embodiment of the present invention is set up X2 interface;

Fig. 6 is the method flow schematic diagram that the embodiment of the present invention sends X2 transport address;

Fig. 7 is the method flow schematic diagram that embodiment of the present invention the first eNB initiates to set up X2 interface;

Fig. 8 is the method flow schematic diagram that embodiment of the present invention the second eNB initiates to set up X2 interface;

Fig. 9 is the method flow schematic diagram that embodiment of the present invention the first HeNB GW initiates to set up X2 interface;

Figure 10 is the method flow schematic diagram that embodiment of the present invention the second HeNB GW initiates to set up X2 interface;

Figure 11 is embodiment of the present invention the first application scenarios schematic diagram;

Figure 12 is embodiment of the present invention the second application scenarios schematic diagram.

Embodiment

Embodiment of the present invention first network side apparatus obtains the X2 transport address of second network side apparatus by MME, and according to the X2 transport address of second network side apparatus, and set up X2 interface between second network side apparatus.Because first network side apparatus can obtain the X2 transport address of second network side apparatus, first network side is established between second network side apparatus and set up X2 interface.

Wherein, the embodiment of the present invention can be applied in E-UTRAN, also can be applied in other network architectures that contain MME and HeNB GW.

Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.

As shown in Figure 1, the system that the embodiment of the present invention is set up X2 interface comprises: first network side apparatus 10, second network side apparatus 20 and MME (Mobility Management Entity, Mobility Management Entity) 30.

First network side apparatus 10, for obtain the X2 transport address of second network side apparatus 20 by MME30, and according to the X2 transport address of second network side apparatus 20, and set up X2 interface between second network side apparatus 20.

MME30, for sending the X2 transport address of second network side apparatus 20 to first network side apparatus 10.

Second network side apparatus 20, for sending the X2 transport address of second network side apparatus 20 to MME30.

Wherein, if first network side apparatus 10 is eNB, second network side apparatus 20 is HeNB GW; If first network side apparatus 10 is HeNB GW, second network side apparatus 20 is eNB.

The mode that first network side apparatus 10 obtains the X2 transport address of second network side apparatus 20 by MME30 has a lot, describes respectively below.

Mode one, first network side apparatus 10 are eNB, and second network side apparatus 20 is HeNB GW.

Concrete, eNB sends eNB ID and HeNB GW ID to MME;

ENB ID and HeNB GW ID are transmitted to the HeNB GW that HeNB GW ID is corresponding by MME;

HeNB GW, receiving after the eNB ID and HeNB GW ID that MME sends, sends to MME by the X2 transport address of self, eNB ID and HeNB GW ID;

The X2 transport address from HeNB GW, eNB ID and HeNB GW ID are forwarded eNB corresponding to eNBID by MME.

In force, eNB can obtain HeNB GW ID by following scheme:

ENB determines the first information of the HeNB being connected with HeNB GW, and send eNB ID and the first information to MME, wherein the first information is that (meaning of TAI and/or ID is can be TAI for the TAI of HeNB and/or the ID of HeNB, also can be ID, can also be TAI and ID, in the concrete first information, carrying what information can set as required, but will ensure that MME can find corresponding HeNB according to the first information.The "and/or" of the appearance in literary composition and second, third information and the above-mentioned meaning are similar below, no longer repetition of explanation);

MME, according to the first information, determines the HeNB GW ID of the affiliated HeNB GW of HeNB, and HeNB GW ID is returned to the eNB that eNB ID is corresponding.

If the first information is ID, can directly determines corresponding HeNB according to ID, and further determine the HeNB GW ID of the HeNB GW under HeNB;

If the first information is TAI, MME preserves the mapping relations of the HeNB ID of TAI and HeNB GW, can be addressed to by TAI information the HeNB GW ID of HeNB GW;

If the first information is ID and TAI, can select any one to determine HeNB GW ID.

The second information occurring below and the 3rd information search mode and the first information is similar, repeat no more.

ENB can pass through the relevant information of the HeNB that ANR (Automatic Neighbour Relation, Automatic Neighboring Relation) Procedure Acquisition is connected with HeNB GW, then determines the first information according to relevant information.Relevant information comprises but than being limited to one or more in following message:

(TAI comprises PLMN (Public Land Mobile Network, public land mobile network) and TAC) for E-CGI, PCI and TAI.

MME can also be according to the first information, determine the TAI of the affiliated HeNB GW of HeNB, return to HeNB GW ID to eNB in, can also return to the TAI of HeNB GW, the parameter that this information can be used as in eNB Neighboring Relation Table is preserved, for follow-up switching and correlated process.

Mode two, first network side apparatus 10 are eNB, and second network side apparatus 20 is HeNB GW.

Concrete, eNB sends the first information of HeNB and the second information of eNB that are connected with HeNB GW to MME, and wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB;

The first information and the second information are transmitted to the HeNBGW under the HeNB that the first information is corresponding by MME;

HeNB GW, receiving after the first information and the second information that MME sends, sends to MME by the X2 transport address of self, the first information and the second information;

The X2 transport address from HeNB GW, the first information and the second information are transmitted to eNB corresponding to the second information by MME.

In force, eNB determines that the scheme of the first information determines that with eNB in mode one scheme of the first information is identical, does not repeat them here.

In mode two, eNB sends the first information to MME, MME be not now direct first information route to HeNB, but be routed to the upper layer node of HeNB, i.e. HeNB GW.

Concrete, MME is receiving after the first information, judges that whether the HeNB that this first information is corresponding has upper layer node, if had, sends to upper layer node by the first information; Otherwise, send to the HeNB that the first information is corresponding.

Such as eNB sends by eNB configuration transfer (eNB configures transmission) message, MME receives after the eNB configuration transfer message of eNB, if by upper layer node, SON Configuration transfer IE (self-organizing network configuration transmit cell) is wherein transferred to the affiliated upper layer node of eNB (or HeNB) of appointment; If there is no upper layer node, SONConfiguration transfer IE is wherein transferred to the eNB (or HeNB) of appointment.

Mode three, first network side apparatus 10 are HeNB GW, and second network side apparatus 20 is eNB.

Concrete, HeNB GW obtains the first information and the second information of the HeNB being connected with HeNB GW, and send the second information of the first information and eNB to MME, and wherein the first information is the TAI of HeNB and/or the ID of HeNB, the second information is the TAI of eNB and/or the ID of eNB;

The first information and the second information are transmitted to eNB corresponding to the second information by MME;

ENB, receiving after the first information and the second information that MME sends, sends to MME by the X2 transport address of self, the first information and the second information;

The X2 transport address from eNB, the first information and the second information are transmitted to the HeNB GW under the HeNB that the first information is corresponding by MME.

In force, HeNB GW can obtain the first information and the second information by the HeNB being connected with HeNB GW.

Concrete, the HeNB being connected with HeNB GW, by the relevant information of ANR Procedure Acquisition eNB, then determines the second information according to relevant information.Relevant information comprises but than being limited to one or more in following message: eNB ID, PCI and TAI.

Then the HeNB, being connected with HeNB GW sends the first information and the second information of HeNB to HeNB GW.

In concrete enforcement, the HeNB being connected with HeNB GW can send the first information and the second information by S1AP message or X2AP message.

If send the first information and the second information by X2AP message, the HeNB being connected with HeNB GW needed to set up X2 interface between HeNB GW before transmission.

Mode four, first network side apparatus 10 are HeNB GW, and second network side apparatus 20 is eNB.

Concrete, HeNB GW obtains the second information of the first information and the eNB of the HeNB being connected with HeNB GW, and the first information is replaced to the 3rd information, send the second information and the 3rd information to MME, wherein the first information is the TAI of HeNB and/or the ID of HeNB, the second information is the TAI of eNB and/or the ID of eNB, and the 3rd information is the TAI of HeNB GW and/or the ID of HeNB;

The second information and the 3rd information are transmitted to eNB corresponding to the second information by MME;

ENB, receiving after the second information and the 3rd information that MME sends, sends to MME by the X2 transport address of self, the second information and the 3rd information;

The X2 transport address from eNB, the second information and the 3rd information are transmitted to HeNB GW corresponding to the 3rd information by MME.

In force, it is identical with the scheme that HeNBGW in mode three obtains the first information and the second information that HeNB GW obtains the scheme of the first information and the second information, do not repeat them here.

In mode four, the second information of receiving and the 3rd information are passed through eNB corresponding to the second information by MME, if other nodes are received the second information and the 3rd information, is transferred to higher node.

Such as HeNB GW is by eNB configuration transfer transmission of messages the second information and the 3rd information.For MME, receive after this message, directly this message of transparent transmission as indicated; Concerning with other network node, can continue to initiate this message to higher network node (such as MME).

It should be noted that, the first network side apparatus 10 of the embodiment of the present invention and second network side apparatus 20 are not limited to eNB and two kinds of equipment of HeNB GW, can also be that other need to set up the network measurement equipment that X2 connects by MME, two kinds of equipment of concrete mode and eNB and HeNB GW repeat them here.

As shown in Figure 2, the first network equipment of the embodiment of the present invention comprises: acquisition module 100 and set up module 110.

Acquisition module 100, for obtaining the X2 transport address of second network side apparatus by MME.

Set up module 110, for according to the X2 transport address of second network side apparatus, and set up X2 interface between second network side apparatus.

Wherein, network equipment is eNB, and second network side apparatus is HeNB GW.

Accordingly, acquisition module 100 sends eNB ID and HeNB GW ID to MME, and receives X2 transport address, eNB ID and the HeNB GW ID of the HeNB GW of MME forwarding.

Acquisition module 100 can also be determined the first information of the HeNB being connected with HeNB GW, and receives the HeNB GW ID of HeNB GW under the HeNB that MME sends; Wherein, the first information is the TAI of HeNB and/or the ID of HeNB.

Acquisition module 100 can also receive the TAI of HeNB GW under the HeNB that MME sends.

Accordingly, acquisition module 100 sends the first information of HeNB and the second information of eNB that are connected with HeNB GW to MME, and receives X2 transport address, the first information and the second information of the HeNB GW forwarding from MME; Wherein, the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB.

Wherein, network equipment is HeNB GW, and second network side apparatus is eNB.

Accordingly, acquisition module 100 obtains the first information and the second information of the HeNB being connected with HeNB GW, sends the second information of the first information and eNB to MME, and receives X2 transport address, the first information and the second information of the HeNBGW of MME forwarding; Wherein, the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB.

Accordingly, acquisition module 100 obtains the second information of the first information and the eNB of the HeNB being connected with HeNB GW, and the first information is replaced to the 3rd information, send the second information and the 3rd information to MME, and receive X2 transport address, the first information and the second information of the eNB of MME forwarding; Wherein, the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB, and the 3rd information is the TAI of HeNB GW and/or the ID of HeNB.

Wherein, acquisition module 100 receives the first information and second information of the HeNB transmission being connected with HeNB GW.

Concrete, acquisition module 100 can pass through the first information and second information of S1AP (S1Application protocol, S1 Application Protocol) message or X2AP (X2Application protocol, X2 application protocol) message sink.

Acquisition module 100 is modules that embodiment of the present invention network equipment comprises as the initiator who sets up X2 interface with setting up module 110, and the network equipment of the embodiment of the present invention can also be as the reciever of setting up X2 interface.Concrete, the network measurement equipment of the embodiment of the present invention can further include: transport address determination module 120 and notification module 130.

Transport address determination module 120, for the X2 transport address of determining that first network side apparatus needs.

Notification module 130, for sending definite X2 transport address by MME to first network side apparatus.

Wherein, first network side apparatus is eNB, and network equipment is HeNB GW.

Accordingly, transport address determination module 120 is being received after the eNB ID and HeNB GW ID that eNB sends by MME, determines the X2 transport address that first network side apparatus needs;

Notification module 130 sends to eNB by X2 transport address, eNB ID and HeNB GW ID by MME.

Wherein, first network side apparatus is eNB, and network equipment is HeNB GW.

Accordingly, transport address determination module 120 is being received after the first information and the second information that eNB sends by MME, determine the X2 transport address that first network side apparatus needs, wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB;

Notification module 130 is crossed MME by X2 transport address, the first information and the second information exchange and is sent to eNB.

Wherein, first network side apparatus is HeNB GW, and network equipment is eNB.

Accordingly, transport address determination module 120 is being received after the first information and the second information that HeNB GW sends by MME, determine the X2 transport address that first network side apparatus needs, wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB;

Notification module 130 by X2 transport address, the first information and the second information exchange cross MME and send to HeNB GW.

Wherein, first network side apparatus is HeNB GW, and network equipment is eNB.

Accordingly, transport address determination module 120 is being received after the second information and the 3rd information that HeNB GW sends by MME, determine the X2 transport address that first network side apparatus needs, wherein the second information is the TAI of eNB and/or the ID of eNB, and the 3rd information is the TAI of HeNB GW and/or the ID of HeNB;

Notification module 130 is crossed MME by X2 transport address, the second information and the 3rd information exchange and is sent to HeNB GW.

As shown in Figure 3, the second network equipment of the embodiment of the present invention comprises: transport address determination module 200 and notification module 210.

Wherein, transport address determination module 200 and notification module 210 are identical with the function of transport address determination module 120 in Fig. 2 and notification module 130 respectively, do not repeat them here.

As shown in Figure 4, the MME of the embodiment of the present invention comprises: the first forwarding module 300 and the second forwarding module 310.

The first forwarding module 300, for being transmitted to second network side apparatus for the information of obtaining second network side apparatus X2 transport address from first network side apparatus.

The second forwarding module 310, for being transmitted to first network side apparatus by the X2 transport address from second network side apparatus.

Wherein, first network side apparatus is eNB, and second network side apparatus is HeNB GW.

Accordingly, the eNB ID from eNB and HeNB GW ID are transmitted to the HeNB GW that HeNB GW ID is corresponding by the first forwarding module 300;

The X2 transport address from HeNB GW, eNB ID and HeNB GWID are forwarded eNB corresponding to eNB ID by the second forwarding module 310.

The MME of the embodiment of the present invention can further include: processing module 320.

Processing module 320, for according to the first information of receiving, determines the HeNB GW ID of the affiliated HeNB GW of HeNB, and HeNB GW ID is returned to the eNB that eNB ID is corresponding, wherein the first information is the TAI of HeNB and/or the ID of HeNB.

Accordingly, the first information from eNB and the second information are transmitted to the HeNB GW under the HeNB that the first information is corresponding by the first forwarding module 300;

The X2 transport address from HeNB GW, the first information and the second information are transmitted to eNB corresponding to the second information by the second forwarding module 310;

The first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB.

The first forwarding module 310 can also have after upper layer node at definite HeNB corresponding to the first information, and the first information from eNB and the second information are transmitted to the HeNBGW under the HeNB that the first information is corresponding.

Wherein, first network side apparatus is HeNB GW, and second network side apparatus is eNB.

Accordingly, the first information from HeNB GW and the second information are transmitted to eNB corresponding to the second information by the first forwarding module 300;

The X2 transport address from eNB, the first information and the second information are transmitted to the HeNB GW under the HeNB that the first information is corresponding by the second forwarding module 310;

Accordingly, the second information from HeNB GW and the 3rd information are transmitted to eNB corresponding to the second information by the first forwarding module 300;

The X2 transport address from eNB, the second information and the 3rd information are transmitted to HeNB GW corresponding to the 3rd information by the second forwarding module 310;

Wherein, the second information is the TAI of eNB and/or the ID of eNB, and the 3rd information is the TAI of HeNB GW and/or the ID of HeNB.

As shown in Figure 5, the method that the embodiment of the present invention is set up X2 interface comprises the following steps:

Step 501, first network side apparatus obtain the X2 transport address of second network side apparatus by MME.

Step 502, first network side apparatus be according to the X2 transport address of second network side apparatus, and set up X2 interface between second network side apparatus.

Wherein, if first network side apparatus is eNB, second network side apparatus is HeNB GW; If first network side apparatus 10 is HeNB GW, second network side apparatus 20 is eNB.

In step 501, the mode that first network side apparatus obtains the X2 transport address of second network side apparatus by MME has a lot, describes respectively below.

Mode one, first network side apparatus are eNB, and second network side apparatus is HeNB GW.

Concrete, in step 501, eNB sends eNB ID and HeNB GW ID to MME;

In force, eNB can obtain HeNB GW ID by following scheme:

ENB determines the first information of the HeNB being connected with HeNB GW, and sends eNB ID and the first information to MME, and wherein the first information is the TAI of HeNB and/or the ID of HeNB;

The relevant information of the HeNB that eNB can be connected with HeNB GW by ANR Procedure Acquisition, then determines the first information according to relevant information.Relevant information comprises but than being limited to one or more in following message:

E-CGI, PCI and TAI (TAI comprises PLMN information and TAC).

MME can also be according to the first information, determines the TAI of the affiliated HeNB GW of HeNB, can also return to the TAI of HeNB GW return to HeNB GW ID to eNB in.

Mode two, first network side apparatus are eNB, and second network side apparatus is HeNB GW.

Concrete, in step 501, eNB sends the first information of HeNB and the second information of eNB that are connected with HeNB GW to MME, and wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB;

Such as eNB sends by eNB configuration transfer message, MME receives after the eNB configuration transfer message of eNB, if by upper layer node, SONConfiguration transfer IE is wherein transferred to the affiliated upper layer node of eNB (or HeNB) of appointment; If there is no upper layer node, SON Configuration transfer IE is wherein transferred to the eNB (or HeNB) of appointment.

Mode three, first network side apparatus are HeNB GW, and second network side apparatus is eNB.

Concrete, in step 501, HeNB GW obtains the first information and the second information of the HeNB being connected with HeNB GW, and sends the second information of the first information and eNB to MME, wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB;

Mode four, first network side apparatus are HeNB GW, and second network side apparatus is eNB.

Concrete, in step 501, HeNB GW obtains the second information of the first information and the eNB of the HeNB being connected with HeNB GW, and the first information is replaced to the 3rd information, send the second information and the 3rd information to MME, wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB, and the 3rd information is the TAI of HeNB GW and/or the ID of HeNB;

It should be noted that, the first network side apparatus of the embodiment of the present invention and second network side apparatus are not limited to eNB and two kinds of equipment of HeNB GW, can also be that other need to set up the network measurement equipment that X2 connects by MME, two kinds of equipment of concrete mode and eNB and HeNB GW repeat them here.

As shown in Figure 6, the method for embodiment of the present invention transmission X2 transport address comprises the following steps:

Step 601, second network side apparatus are determined the X2 transport address (being the X2 transport address of second network side apparatus self) that first network side apparatus needs.

Step 602, second network side apparatus send definite X2 transport address by MME to first network side apparatus.

In step 601, HeNB GW, after receiving the eNB ID and HeNB GWID that eNB sends by MME, determines the X2 transport address that first network side apparatus needs; Accordingly, in step 602, HeNBGW sends to eNB by X2 transport address, eNB ID and HeNB GW ID by MME.

In step 601, HeNB GW is after receiving the first information and the second information that eNB sends by MME, determine the X2 transport address that first network side apparatus needs, wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB; Accordingly, in step 602, HeNB GW crosses MME by X2 transport address, the first information and the second information exchange and sends to eNB.

In step 601, eNB is after receiving the first information and the second information that HeNB GW sends by MME, determine the X2 transport address that first network side apparatus needs, wherein the first information is the TAI of HeNB and/or the ID of HeNB, and the second information is the TAI of eNB and/or the ID of eNB; Accordingly, in step 602, eNB crosses MME by X2 transport address, the first information and the second information exchange and sends to HeNBGW.

In step 601, eNB is after receiving the second information and the 3rd information that HeNB GW sends by MME, determine the X2 transport address that first network side apparatus needs, wherein the second information is the TAI of eNB and/or the ID of eNB, and the 3rd information is the TAI of HeNB GW and/or the ID of HeNB; Accordingly, in step 602, eNB crosses MME by X2 transport address, the second information and the 3rd information exchange and sends to HeNB GW.

As shown in Figure 7, the method that embodiment of the present invention the first eNB initiates to set up X2 interface comprises the following steps:

Step 701, eNB, by ANR process, obtain the information such as E-CGI, PCI, TAI of certain HeNB community under HeNB GW, and definite first information.

Step 702, eNB send eNB ID inquiry request (eNBID inquiry request) message of carrying the first message to MME, inquire about the eNB ID of the affiliated HeNB GW of this HeNB.

Step 703, MME receive after eNB ID inquiry request message, find the HeNB GW ID of the HeNB GW under this HeNB community according to the first message, and by eNB ID inquiryresponse (eNB ID inquiry response) message, HeNB GW ID is returned to eNB.

Step 704, eNB receive after eNB ID inquiry response message, send the eNB configuration transfer message of carrying eNB ID and HeNB GW ID to MME.

Step 705, MME send the MME configuration transfer message of carrying eNB ID and HeNB GW ID to HeNB GW corresponding to HeNB GW ID.

Step 706, HeNB GW send the eNB configuration transfer message of the X2 transport address, eNB ID and the HeNB GW ID that carry self to MME.

Wherein, in eNB configuration transfrr message, also can not carry HeNB GW ID.

Step 707, MME send the MME configuration transfer message of carrying X2 transport address, eNB ID and HeNB GW ID to eNB corresponding to eNB ID.

Step 708, eNB be according to X2 transport address, and set up X2 interface between HeNB GW.

Wherein, the information that can also carry in eNB ID inquiry response message includes but not limited to one or more in following message:

The PLMN information of the TAI that HeNB GW supports, the TAC of HeNB GW and HeNB GW.

If eNB has obtained TAI, eNB, in the time of the X2AP message of processing in follow-up handoff procedure, just can carry out route according to TAI information.

As shown in Figure 8, the method that embodiment of the present invention the second eNB initiates to set up X2 interface comprises the following steps:

Step 801, eNB, by ANR process, obtain the information such as E-CGI, PCI, TAI of certain HeNB community under HeNB GW, and definite first information.

Step 802, eNB send the eNB configurationtransfer message of carrying the first information and the second information to MME.

Step 803, MME send the MME configuration transfer message of carrying the first information and the second information to HeNB GW corresponding to the first information.

Step 804, HeNB GW send the eNB configuration transfer message of X2 transport address, the first information and second information of carrying self to MME.

Wherein, in eNB configuration transfer message, also can not carry the first information.

Step 805, MME send the MME configuration transfer message of carrying X2 transport address, the first information and the second information to eNB corresponding to the second information.

Step 806, eNB be according to X2 transport address, and set up X2 interface between HeNB GW.

As shown in Figure 9, the method that embodiment of the present invention the first HeNB GW initiates to set up X2 interface comprises the following steps:

Step 901, HeNB, by ANR process, obtain the information such as ID, TAI of eNB, and determine the second information.

Between step 902, HeNB and HeNB GW, set up X2 interface.

Step 903, HeNB send Indirect X2setup request (X2 the sets up request indirectly) message of carrying the first information and the second information to HeNB GW.

Step 904, HeNB GW send the eNBconfiguration transfer message of carrying the first information and the second information to MME.

Wherein, HeNB GW is receiving after the first information and the second information, the first information can also replaced to the 3rd information; Accordingly, the first information in subsequent step just becomes the 3rd information.

Step 905, MME send the MME configuration transfer message of carrying the first information and the second information to eNB corresponding to the second information.

Step 906, eNB send the eNB configuration transfer message of X2 transport address, the first information and second information of carrying self to MME.

Wherein, in eNB configuration transfer message, also can not carry the second information.

Step 907, MME send the MME configuration transfer message of carrying X2 transport address, the first information and the second information to the upper layer node HeNB GW of HeNB corresponding to the first information.

If the first information is replaced to the 3rd information, MME sends the MME configuration transfer message of carrying X2 transport address, the 3rd information and the second information to HeNB GW corresponding to the 3rd information.

Step 908, HeNB GW be according to X2 transport address, and between eNB, set up X2 interface.

Step 909, HeNB GW send Indirect X2setup response (X2 sets up response indirectly) message to HeNB GW.

As shown in figure 10, the method that embodiment of the present invention the second HeNB GW initiates to set up X2 interface comprises the following steps:

Step 1001, HeNB, by ANR process, obtain the information such as ID, TAI of eNB, and determine the second information.

Step 1002, HeNB send the eNBconfiguration transfer that carries the first information and the second information to HeNB GW.

The first information is replaced to the 3rd information by step 1003, HeNB GW, sends the eNB configuration transfer message of carrying the second information and the 3rd information to MME.

Wherein, HeNB GW is receiving after the first information and the second information, can also the first information not replaced to the 3rd information; Accordingly, the 3rd information in subsequent step just becomes the first information.

Step 1004, MME send the MME configuration transfer message of carrying the second information and the 3rd information to eNB corresponding to the second information.

Step 1005, eNB send the eNB configuration transfer message of X2 transport address, the second information and the 3rd information of carrying self to MME.

Step 1006, MME send the MME configuration transfer message of carrying X2 transport address, the second information and the 3rd information to HeNB GW corresponding to the 3rd information.

If the first information is not replaced to the 3rd information, MME sends the MMEcoBfiguration transfer message of carrying X2 transport address, the first information and the second information to the upper layer node HeNB GW of HeNB corresponding to the first information.

Step 1007, HeNB GW be according to X2 transport address, and between eNB, set up X2 interface.

Step 1008, HeNB GW forward the MME configuration transfer message of carrying X2 transport address, the second information and the 3rd information to HeNB.

Between step 1009, HeNB and HeNB GW, set up X2 interface.

As shown in figure 11, in embodiment of the present invention the first application scenarios schematic diagram, eNB can set up the X2 interface (or HeNB GW can set up the X2 interface between eNB automatically by ANR process) between HeNB GW automatically by ANR process, HeNB GW can set up X2 interface again and between the each HeNB of subordinate community afterwards, for mobility optimizing process is below prepared.

As shown in figure 12, in embodiment of the present invention the second application scenarios schematic diagram, in the time that MME receives the eNB ID request message that eNB sends, if find that this HeNB is directly connected with MME, there is not HeNB GW node, can directly reply so eNB ID inquiry failure message, cancel X2 process of establishing, if find that this HeNB exists HeNB GW node, return to the eNB ID inquiry response message of carrying HeNB GW ID.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.

The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.

Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.

From above-described embodiment, can find out: because first network side apparatus can obtain the X2 transport address of second network side apparatus, first network side is established between second network side apparatus and is set up X2 interface, for in the network architecture that contains HeNB GW, can make to set up X2 interface between eNB and HeNB GW, improve network side performance.

Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims

1. a method of setting up X2 interface, is characterized in that, the method comprises:

Described first network side apparatus is according to the X2 transport address of described second network side apparatus, and sets up X2 interface between described second network side apparatus;

Wherein, described first network side apparatus is evolution base station eNB, and described second network side apparatus is femto gateway HeNB GW; Described first network side apparatus obtains X2 transport address and comprises: described eNB sends evolution base station mark eNB ID and femto gateway mark HeNB GW ID to described MME; Described eNB ID and described HeNB GW ID are transmitted to the HeNB GW that HeNB GW ID is corresponding by described MME; The X2 transport address from described HeNB GW, described eNB ID and described HeNB GW ID are forwarded eNB corresponding to described eNB ID by described MME; Described HeNB GW ID is that eNB determines according to the following step: described eNB determines the first information of the HeNB being connected with described HeNB GW, and sends described eNB ID and the described first information to described MME; Described MME, according to the described first information, determines the HeNB GW ID of the affiliated HeNB GW of described HeNB, and described HeNB GW ID is returned to eNB corresponding to described eNB ID; Or

Described first network side apparatus is eNB, and described second network side apparatus is HeNB GW; Described first network side apparatus obtains X2 transport address and comprises: described eNB sends the described first information of HeNB and the second information of described eNB that are connected with described HeNB GW to described MME; The described first information and described the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding by described MME; The X2 transport address from described HeNB GW, the described first information and described the second information are transmitted to eNB corresponding to described the second information by described MME; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described first network side apparatus obtains X2 transport address and comprises: described HeNB GW obtains the second information of the first information and the described eNB of the HeNB being connected with described HeNB GW, and sends the second information of the described first information and described eNB to described MME; The described first information and described the second information are transmitted to eNB corresponding to described the second information by described MME; The X2 transport address from described eNB, the described first information and described the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding by described MME; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described first network side apparatus obtains X2 transport address and comprises: described HeNB GW obtains the second information of the first information and the described eNB of the HeNB being connected with described HeNB GW, and the described first information is replaced to the 3rd information, send described the second information and described the 3rd information to described MME; Described the second information and described the 3rd information are transmitted to eNB corresponding to described the second information by described MME; The X2 transport address from described eNB, described the second information and described the 3rd information are transmitted to HeNB GW corresponding to described the 3rd information by described MME;

Wherein, the described first information is the TAI of HeNB and/or the ID of HeNB, and described the second information is the TAI of eNB and/or the ID of eNB, and described the 3rd information is the TAI of HeNB GW.

2. the method for setting up X2 interface as claimed in claim 1, it is characterized in that, described first network side apparatus is evolution base station eNB, described second network side apparatus is femto gateway HeNB GW, and described first network side apparatus obtains X2 transport address and comprises: described eNB sends evolution base station mark eNB ID and femto gateway mark HeNB GW ID to described MME; Described eNB ID and described HeNB GW ID are transmitted to the HeNB GW that HeNB GW ID is corresponding by described MME; The X2 transport address from described HeNB GW, described eNB ID and described HeNB GW ID are forwarded eNB corresponding to described eNB ID by described MME, and described method also comprises:

Described MME, according to the described first information, determines the TAI of the affiliated HeNB GW of described HeNB, and the TAI of described HeNB GW is returned to eNB corresponding to described eNB ID.

3. the method for setting up X2 interface as claimed in claim 1, it is characterized in that, described first network side apparatus is eNB, described second network side apparatus is HeNB GW, and described first network side apparatus obtains X2 transport address and comprises: described eNB sends the first information of HeNB and the second information of described eNB that are connected with described HeNB GW to described MME; The described first information and described the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding by described MME; The X2 transport address from described HeNB GW, the described first information and described the second information are transmitted to eNB corresponding to described the second information by described MME, before the described first information and described the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding by described MME, described method also comprises:

Described MME determines that the HeNB that the described first information is corresponding has upper layer node.

4. the method for setting up X2 interface as claimed in claim 1, is characterized in that, described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described first network side apparatus obtains X2 transport address and comprises: described HeNB GW obtains the second information of the first information and the described eNB of the HeNB being connected with described HeNB GW, and sends the second information of the described first information and described eNB to described MME; The described first information and described the second information are transmitted to eNB corresponding to described the second information by described MME; The X2 transport address from described eNB, the described first information and described the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding by described MME; Or described first network side apparatus is HeNB GW, described second network side apparatus is eNB; Described first network side apparatus obtains X2 transport address and comprises: described HeNB GW obtains the second information of the first information and the described eNB of the HeNB being connected with described HeNB GW, and the described first information is replaced to the 3rd information, send described the second information and described the 3rd information to described MME; Described the second information and described the 3rd information are transmitted to eNB corresponding to described the second information by described MME; The X2 transport address from described eNB, described the second information and described the 3rd information are transmitted to HeNB GW corresponding to described the 3rd information by described MME;

The described first information and described the second information are that HeNB GW obtains according to the following step:

The HeNB being connected with described HeNB GW determines described the second information;

Described HeNB sends the first information of described HeNB and the second information of determining to described HeNB GW.

5. the method for setting up X2 interface as claimed in claim 4, is characterized in that, described HeNB sends the first information of described HeNB and the second information of determining by S1 Application Protocol S1AP message or X2 application protocol X2AP message.

6. a method that sends X2 transport address, is characterized in that, the method comprises:

Described second network side apparatus sends definite X2 transport address by MME to described first network side apparatus;

Wherein, described first network side apparatus is eNB, and described second network side apparatus is HeNB GW; Described second network side apparatus determines that the X2 transport address that first network side apparatus needs comprises before: described HeNB GW receives eNB ID and the HeNB GW ID that described eNB sends by MME; Described second network side sends X2 transport address and comprises: described HeNB GW sends to described eNB by described X2 transport address, described eNB ID and described HeNB GW ID by described MME; Or

Described first network side apparatus is eNB, and described second network side apparatus is HeNB GW; Described second network side apparatus determines that the X2 transport address that first network side apparatus needs comprises before: described HeNB GW receives the first information and the second information that described eNB sends by MME, the wherein said first information is the TAI of HeNB and/or the ID of HeNB, and described the second information is the TAI of eNB and/or the ID of eNB; Described second network side sends X2 transport address and comprises: described HeNB GW crosses described MME by described X2 transport address, the described first information and described the second information exchange and sends to described eNB; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described second network side apparatus determines that the X2 transport address that first network side apparatus needs comprises before: described eNB receives the described first information and described the second information that described HeNB GW sends by MME; Described second network side sends X2 transport address and comprises: described eNB crosses described MME by described X2 transport address, the described first information and described the second information exchange and sends to described HeNB GW; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described second network side apparatus determines that the X2 transport address that first network side apparatus needs comprises before: described eNB receives described the second information and the 3rd information that described HeNB GW sends by MME, and wherein said the 3rd information is the TAI of HeNB GW; Described second network side sends X2 transport address and comprises: described eNB crosses described MME by described X2 transport address, described the second information and described the 3rd information exchange and sends to described HeNB GW.

7. a network equipment, is characterized in that, this network equipment comprises:

Set up module, for according to the X2 transport address of described second network side apparatus, and set up X2 interface between described second network side apparatus;

Wherein, described network equipment is eNB, and described second network side apparatus is HeNB GW; Described acquisition module specifically for: send eNB ID and HeNB GW ID to described MME, and receive X2 transport address, described eNB ID and the described HeNB GW ID of the described HeNB GW that MME forwards; Determine the first information of the HeNB that is connected with described HeNB GW, and receive the HeNB GW ID of the affiliated HeNB GW of the described HeNB of described MME transmission; Or

Described network equipment is eNB, and described second network side apparatus is HeNB GW; Described acquisition module specifically for: send the first information of HeNB and the second information of described eNB that are connected with described HeNB GW to described MME, and receive X2 transport address, the described first information and described the second information of the described HeNB GW forwarding from described MME; Or

Described network equipment is HeNB GW, and described second network side apparatus is eNB; Described acquisition module is specifically for the second information of obtaining the first information and the described eNB of the HeNB being connected with described HeNB GW, send the second information of the described first information and described eNB to described MME, and receive X2 transport address, the described first information and described the second information of the described eNB of described MME forwarding; Or

Described network equipment is HeNB GW, and described second network side apparatus is eNB; Described acquisition module is specifically for the second information of obtaining the first information and the described eNB of the HeNB being connected with described HeNB GW, and the described first information is replaced to the 3rd information, send described the second information and described the 3rd information to described MME, and receive X2 transport address, the described first information and described the second information of the described eNB of described MME forwarding;

8. network equipment as claimed in claim 7, is characterized in that, when described acquisition module is for sending eNB ID and HeNB GW ID to described MME, and receives X2 transport address, described eNB ID and the described HeNB GW ID of the described HeNB GW of MME forwarding; Determine the first information of the HeNB that is connected with described HeNB GW, and while receiving the HeNB GW ID of the affiliated HeNB GW of the described HeNB of described MME transmission, described acquisition module also for:

Receive the TAI of the HeNB GW under the described HeNB that described MME sends.

9. network equipment as claimed in claim 7, is characterized in that, described network equipment is HeNB GW, and described second network side apparatus is eNB, described acquisition module also for:

Receive the first information and second information of the HeNB transmission being connected with described HeNB GW.

10. network equipment as claimed in claim 9, is characterized in that, described acquisition module also for:

By the first information and described the second information described in S1 Application Protocol S1AP message or X2 application protocol X2AP message sink.

11. network equipments as claimed in claim 7, is characterized in that, described network equipment also comprises:

Notification module, for sending definite X2 transport address by MME to described first network side apparatus;

Wherein, described first network side apparatus is the X2 transport address that obtains described network equipment by described MME, and according to described network equipment X2 transport address, and between described network equipment, sets up the network equipment of X2 interface.

12. network equipments as claimed in claim 11, is characterized in that, described first network side apparatus is eNB, and described network equipment is HeNB GW;

Described transport address determination module also for:

Receiving after the eNB ID and described HeNB GW ID that described eNB sends by MME, determining the X2 transport address that first network side apparatus needs;

Described notification module specifically for:

Described X2 transport address, described eNB ID and described HeNB GW ID are sent to described eNB by described MME.

13. network equipments as claimed in claim 11, is characterized in that, described first network side apparatus is eNB, and described network equipment is HeNB GW;

Described transport address determination module also for:

Receiving after the first information and the second information that described eNB sends by MME, determining the X2 transport address that first network side apparatus needs;

Described notification module specifically for:

Described X2 transport address, the described first information and described the second information exchange are crossed to described MME and send to described eNB.

14. network equipments as claimed in claim 11, is characterized in that, described first network side apparatus is HeNB GW, and described network equipment is eNB;

Described transport address determination module also for:

Receiving after the first information and the second information that described HeNB GW sends by MME, determining the X2 transport address that first network side apparatus needs;

Described notification module specifically for:

Described X2 transport address, the described first information and described the second information exchange are crossed to described MME and send to described HeNB GW.

15. network equipments as claimed in claim 11, is characterized in that, described first network side apparatus is HeNB GW, and described network equipment is eNB;

Described transport address determination module also for:

Receiving after the second information and the 3rd information that described HeNB GW sends by MME, determining the X2 transport address that first network side apparatus needs;

Described notification module specifically for:

Described X2 transport address, described the second information and described the 3rd information exchange are crossed to described MME and send to described HeNB GW.

16. 1 kinds of network equipments, is characterized in that, this network equipment comprises:

Wherein, described first network side apparatus is evolution base station eNB, and described network equipment is femto gateway HeNB GW; Described transport address determination module also for: receiving after the eNB ID and HeNB GW ID that described eNB sends by MME, determine first network side apparatus need X2 transport address; Described notification module specifically for: described X2 transport address, described eNB ID and described HeNB GW ID are sent to described eNB by described MME; Or

Described first network side apparatus is eNB, and described network equipment is HeNB GW; Described transport address determination module also for: receiving after the first information and the second information that described eNB sends by MME, determine first network side apparatus need X2 transport address; Described notification module specifically for: described X2 transport address, the described first information and described the second information exchange are crossed to described MME and send to described eNB; Or

Described first network side apparatus is HeNB GW, and described network equipment is eNB; Described transport address determination module also for: receiving after the first information and the second information that described HeNB GW sends by MME, determine first network side apparatus need X2 transport address; Described notification module specifically for: described X2 transport address, the described first information and described the second information exchange are crossed to described MME and send to described HeNB GW; Or

Described first network side apparatus is HeNB GW, and described network equipment is eNB; Described transport address determination module also for: receiving after the second information and the 3rd information that described HeNB GW sends by MME, determine first network side apparatus need X2 transport address; Described notification module specifically for: described X2 transport address, described the second information and described the 3rd information exchange are crossed to described MME and send to described HeNB GW;

17. 1 kinds of MME, is characterized in that, this MME comprises:

The second forwarding module, for being transmitted to first network side apparatus by the X2 transport address from second network side apparatus;

Wherein, described first network side apparatus is evolution base station eNB, and described second network side apparatus is femto gateway HeNB GW; Described the first forwarding module specifically for: the described eNB ID from described eNB and described HeNB GW ID are transmitted to the HeNB GW that HeNB GW ID is corresponding; Described the second forwarding module specifically for: the X2 transport address from described HeNB GW, described eNB ID and described HeNB GW ID are forwarded to eNB corresponding to described eNB ID; Described MME also comprises: processing module, and for according to the first information of receiving, determine the HeNB GW ID of the affiliated HeNB GW of HeNB, and described HeNB GW ID is returned to eNB corresponding to described eNB ID; Or

Described first network side apparatus is eNB, and described second network side apparatus is HeNB GW; Described the first forwarding module specifically for: the first information from described eNB and the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding; Described the second forwarding module specifically for: the X2 transport address from described HeNB GW, the described first information and described the second information are transmitted to eNB corresponding to described the second information; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described the first forwarding module specifically for: the first information from described HeNB GW and the second information are transmitted to eNB corresponding to described the second information; Described the second forwarding module specifically for: the X2 transport address from described eNB, the described first information and described the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described the first forwarding module specifically for: the second information from described HeNB GW and the 3rd information are transmitted to eNB corresponding to described the second information; Described the second forwarding module specifically for: the X2 transport address from described eNB, described the second information and described the 3rd information are transmitted to HeNB GW corresponding to described the 3rd information;

18. MME as claimed in claim 17, is characterized in that, described first network side apparatus is eNB, and described second network side apparatus is HeNB GW; Described the first forwarding module specifically for: the first information from described eNB and the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding; Described the second forwarding module specifically for: the X2 transport address from described HeNB GW, the described first information and described the second information are transmitted to eNB corresponding to described the second information, described the first forwarding module specifically for:

Have after upper layer node at definite HeNB corresponding to the described first information, the first information from described eNB and the second information are transmitted to the HeNB GW under the HeNB that the described first information is corresponding.

Set up the system of X2 interface for 19. 1 kinds, it is characterized in that, this system comprises:

Second network side apparatus, for sending the X2 transport address of described second network side apparatus to MME;

Wherein, described first network side apparatus is evolution base station eNB, and described second network side apparatus is femto gateway HeNB GW; Described first network side apparatus specifically for: send evolution base station mark eNB ID and femto gateway mark HeNB GW ID to described MME; Described MME specifically for: the described eNB ID from described eNB and described HeNB GW ID are transmitted to the HeNB GW that HeNB GW ID is corresponding; Described HeNB GW specifically for: after the described eNB ID and described HeNB GW ID that receive from described MME, determine the X2 transport address that described eNB needs, and described X2 transport address, described eNB ID and described HeNB GW ID sent to described MME; Described MME specifically for: the described X2 transport address from described HeNB GW, described eNB ID and described HeNB GW ID are forwarded to the described eNB that described eNB ID is corresponding; Described eNB also for: determine the first information of the HeNB that is connected with described HeNB GW, and send described eNB ID and the described first information to described MME; Described MME also for: according to the described first information, determine the HeNB GW ID of the HeNB GW under described HeNB, and described HeNB GW ID returned to eNB corresponding to described eNB ID; Or

Described first network side apparatus is eNB, and described second network side apparatus is HeNB GW; Described eNB specifically for: send the described first information of HeNB and the second information of described eNB that are connected with described HeNB GW to described MME; Described MME specifically for: the described first information from described eNB and described the second information are transmitted to the described HeNB GW under the HeNB that the described first information is corresponding; Described HeNB GW specifically for: receiving after the first information and the second information sending from described MME, determine the X2 transport address that described eNB needs, and described X2 transport address, the described first information and described the second information issued to described MME; Described MME specifically for: the X2 transport address from described HeNB GW, the described first information and described the second information are transmitted to described eNB corresponding to described the second information; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described HeNB GW specifically for: obtain the second information of the first information and the described eNB of the HeNB being connected with described HeNB GW, and send the second information of the described first information and described eNB to described MME; Described MME specifically for: the described first information from described HeNB GW and described the second information are transmitted to described eNB corresponding to described the second information; Described eNB specifically for: receiving after the first information and the second information sending from described MME, determine the X2 transport address that described HeNB GW needs, and described X2 transport address, the described first information and described the second information sent to described MME; Described MME specifically for: the described X2 transport address from described eNB, the described first information and described the second information are issued to the described HeNB GW under the HeNB that the described first information is corresponding; Or

Described first network side apparatus is HeNB GW, and described second network side apparatus is eNB; Described HeNB GW specifically for: obtain the second information of the first information and the described eNB of the HeNB being connected with described HeNB GW, and the described first information replaced to the 3rd information, send described the second information and described the 3rd information to described MME; Described MME specifically for: described the second information from described HeNB GW and described the 3rd information are transmitted to described eNB corresponding to described the second information; Described eNB specifically for: after the second information and the 3rd information received from MME, determine the X2 transport address that described HeNB GW needs, and described X2 transport address, described the second information and described the 3rd information sent to described MME; Described MME specifically for: the described X2 transport address from described eNB, described the second information and described the 3rd information are transmitted to HeNB GW corresponding to described the 3rd information;