CN102388629A

CN102388629A - Method, system and device for obtaining WLAN configuration information

Info

Publication number: CN102388629A
Application number: CN2011800020372A
Authority: CN
Inventors: 王珊珊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2011-09-26
Filing date: 2011-09-26
Publication date: 2012-03-21
Anticipated expiration: 2031-09-26
Also published as: WO2012149769A1; CN102388629B

Abstract

The invention relates to communication technical field, in particular to a method, system and device for obtaining WLAN configuration information. The invention provides a method for obtaining WLAN configuration information. First registration information is sent according to network elements of a mobile network, wherein the first registration information includes WLAN information corresponding to the current position of a user's device, and idendification information of the user's device. An access network discovers the mapping relation between WLAN information corresponding to the current position of a user's device recorded by a selection entity and idendification information of the user's device. Through the method, the access network can obtain the mapping relation in time, and can provide the user's device with the WLAN information of the location where the user's device is situated.

Description

A kind of method, system and device that obtain the WLAN configuration information

Technical field

The present invention relates to communication technical field, relate in particular to a kind of method, system and device that obtain the WLAN configuration information.

Background technology

Along with development of Communication Technique, various new wireless access wide band technologies continue to bring out.In order to guarantee 3GPP (The 3rd Generation Partnership Project; Third generation partner program) in long competitiveness in future; 3GPP has proposed LTE (Long Term Evolution in wireless side; Long Term Evolution) plan has proposed SAE (System Architecture Evolution, System Architecture Evolution) plan at network side.Fig. 1 is current wireless evolution network framework figure.

As shown in Figure 1; MME (Mobility Management Entity; Mobility Management Entity) and SGSN (Serving GPRS Support Node, Serving GPRS Support Node) be mobile management net element, be responsible for the mobile management of chain of command; Comprise the management of user's context and mobile status, functions such as the distribution of customer temporary identity sign and safety; SGW (Serving Gateway, gateway) is responsible for initiating paging for downlink data under the idle condition, information such as the interior route of managing I P bearing parameter and network; PGW (PDNGateway, block domain data network gateway) is responsible for the distribution of UE (User Equipment, subscriber equipment) IP address.

As shown in Figure 1; The wireless access of 2G network partly is GERAN (GSM EDGE Radio AccessNetwork, a GSM EDGE Radio Access Network), by BTS (Base Transceiver Station; Base transceiver station) and BSC (Base Station Controller, base station controller) constitute; The wireless access of 3G network partly is UTRAN (Universal Mobile Telecommunication System TerritorialRadio Access Network; The UMTS land radio access web); Constitute by RNC (RadioNetwork Controller, radio network controller) and NodeB (Node B); The wireless access of LTE network partly is E-UTRAN (Evolved UTRAN, an evolved universal GSM land radio access web), is made up of eNodeB.

Along with the development of mobile technology, mobile network user quantity is increased sharply, and has caused mobile network's overload, situation such as network congestion occurred.WLAN (Wireless Local Area Network, WLAN) has become first-selected dividing technology as a kind of access way of mobile broadband cheaply.Wlan network and mobile network's fusion is just becoming a kind of networking pattern that generally adopts.Therefore and do not know that current present position has wlan network the multimode UE that has 3GPP access capability and WLAN access capability simultaneously is carrying out 3GPP when inserting, because UE does not open the WLAN switch,, thereby can not shunt effectively.

Insert Wi-Fi (Wireless Fidelity for reducing multimode UE; Wireless Fidelity) finds the time delay of selection course during network; The SAE network has defined access network discovery selection function (Access Network Discoveryand Selection Function is called for short ANDSF) entity.In the ANDSF mechanism of standard definition, UE provides the positional information of UE, access network discovery selection functional entity to return the corresponding WLAN information in position therewith to the access network discovery selection functional entity.Fig. 2 is when adopting ANDSF mechanism, the schematic flow sheet that UE uses Wi-Fi to insert through credible access way, wherein,

Step S201:UE is linked into network, obtains the IP address;

Step S202:UE and access network discovery selection functional entity are set up security association;

Step S203-step S204:UE obtains the WLAN information corresponding with its current location;

Step S205:UE determines whether to initiate the Wi-Fi access according to strategy or switches.

Through the analysis to prior art, the inventor thinks that there is following problem at least in prior art:

The corresponding relation that ANDSF mechanism of the prior art requires to preset all WLANs and its position could provide suitable WLAN information for UE; And in the deployment of reality; WLAN is dynamic change; Might increase, reduce or substitute, the corresponding relation of WLAN and its position then can correspondingly change.For the access network discovery selection functional entity, owing to can't in time obtain the up-to-date WLAN and the corresponding relation of its position, its actual playing a role has just run into bottleneck, and the WLAN information of its position often can't be provided to UE.Prior art does not provide effective mechanism to solve this problem.

Summary of the invention

The embodiment of the invention provides a kind of method, system and device that obtain the WLAN configuration information, makes the access network discovery selection functional entity that the WLAN information of its position can be provided to subscriber equipment.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides, this method comprises:

The access network discovery selection functional entity receives first registration message of mobile network's network element transmission, and said first registration message comprises the WLAN information of subscriber equipment current location correspondence and the identification information of said subscriber equipment;

Said access network discovery selection functional entity is according to said first registration message, writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

The another kind that the embodiment of the invention provides obtains the method for WLAN configuration information, and this method comprises:

Mobile network's network element is confirmed the WLAN information that said subscriber equipment current location is corresponding according to the positional information of subscriber equipment;

Said mobile network's network element sends first registration message to the access network discovery selection functional entity; Said first registration message comprises the WLAN information that said subscriber equipment current location is corresponding and the identification information of said subscriber equipment, so that said access network discovery selection functional entity writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

A kind of access network discovery selection functional entity that the embodiment of the invention provides comprises:

Receiving element is used to receive first registration message that mobile network's network element sends, and said first registration message comprises the WLAN information that the subscriber equipment current location is corresponding and the identification information of said subscriber equipment;

Record cell is used for first registration message that receives according to said receiving element, writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

A kind of mobile network's that the embodiment of the invention provides network element comprises:

Confirm the unit, be used for positional information, confirm the WLAN information that said subscriber equipment current location is corresponding according to subscriber equipment;

Transmitting element; Be used for after the corresponding WLAN information of said subscriber equipment current location is confirmed in said definite unit; Send first registration message to the access network discovery selection functional entity; Said first registration message comprises the WLAN information that said subscriber equipment current location is corresponding and the identification information of said subscriber equipment, so that said access network discovery selection functional entity writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

A kind of system that obtains the WLAN configuration information that the embodiment of the invention provides, this system comprises:

Mobile network's network element; Be used for positional information according to subscriber equipment; Send first registration message to the access network discovery selection functional entity, said first registration message comprises the WLAN information of said subscriber equipment current location correspondence and the identification information of said subscriber equipment.

The access network discovery selection functional entity is used for first registration message that sends according to said mobile network's network element, writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

A kind of method, system and device that obtain the WLAN configuration information that the embodiment of the invention provides; The WLAN information that reported by network elements subscriber equipment current location through the mobile network is corresponding and the identification information of said subscriber equipment; The access network discovery selection functional entity make the access network discovery selection functional entity can obtain the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment in time, so that can provide the WLAN information of its position to subscriber equipment.

Description of drawings

Fig. 1 is current wireless evolution network framework figure;

Fig. 2 is the schematic flow sheet that UE uses Wi-Fi to insert through credible access way when adopting ANDSF mechanism;

A kind of method of obtaining the WLAN configuration information that Fig. 3 provides for the embodiment of the invention;

The another kind that Fig. 4 provides for the embodiment of the invention obtains the method for WLAN configuration information;

Fig. 5 is the networking structure figure of PGW for the mobile network's in the embodiment of the invention network element;

A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Fig. 5 that Fig. 6 provides for the embodiment of the invention;

Fig. 7 is the networking structure figure of SGW for the mobile network's in the embodiment of the invention network element;

A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Fig. 7 that Fig. 8 provides for the embodiment of the invention;

Fig. 9 is the networking structure figure of MME for the mobile network's in the embodiment of the invention network element;

A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Fig. 9 that Figure 10 provides for the embodiment of the invention;

Mobile network's in Figure 11 embodiment of the invention network element is the networking structure figure of eNodeB;

A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Figure 11 that Figure 12 provides for the embodiment of the invention;

The another kind under the networking structure of Fig. 5 that Figure 13 provides for the embodiment of the invention obtains the method realization flow figure of WLAN configuration information;

A kind of access network discovery selection functional entity that Figure 14 provides for the embodiment of the invention;

A kind of mobile network's that Figure 15 provides for the embodiment of the invention network element;

A kind of system that obtains the WLAN configuration information that Figure 16 provides for the embodiment of the invention.

Embodiment

To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention will be carried out clear, intactly description.

As shown in Figure 3, be a kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides, this method comprises:

Step S301: the access network discovery selection functional entity receives first registration message of mobile network's network element transmission, and said first registration message comprises the WLAN information of subscriber equipment current location correspondence and the identification information of said subscriber equipment.

Said mobile network's network element can obtain the corresponding WLAN information of subscriber equipment current location in the following manner: each WLAN in its compass of competency that said mobile network's network element is pre-configured and the mapping relations of said each WLAN position information; After said mobile network's network element is searched said mapping relations according to the positional information of said subscriber equipment, obtain the corresponding WLAN information of said subscriber equipment current location.

Certainly; It will be appreciated by those skilled in the art that; Said mobile network's network element can also obtain the corresponding WLAN information of subscriber equipment current location through other approach; For example, said mobile network's network element sends request to the network equipment of the mapping relations that dispose WLAN and its position information, so that the said network equipment sends the corresponding WLAN information of subscriber equipment current location to said mobile network's network element.

Wherein, the mobile network's of the embodiment of the invention network element can include but not limited to following one of arbitrarily: MME, SGW, PGW, eNodeB, RNC, BSC, SGSN.

Step S302: said access network discovery selection functional entity is according to said first registration message, writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides; Network element through the mobile network is to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition; The mapping relations of each WLAN in mobile network's network element in pre-configured its compass of competency and said each WLAN position information; Make said mapping relations distribute and be kept in mobile network's the network element, alleviated the load of access network discovery selection functional entity, simplified the information configuration of access network discovery selection functional entity.

As shown in Figure 4, the another kind that provides for the embodiment of the invention obtains the method for WLAN configuration information, and this method comprises:

Step S401: mobile network's network element is confirmed the WLAN information that said subscriber equipment current location is corresponding according to the positional information of subscriber equipment.

Said mobile network's network element can obtain the corresponding WLAN information of subscriber equipment current location in the following manner: each WLAN in its compass of competency that said mobile network's network element is pre-configured and the mapping relations of said each WLAN position information; After said mobile network's network element is searched said mapping relations according to the positional information of said subscriber equipment, confirm the WLAN information that said subscriber equipment current location is corresponding.

Step S402: said mobile network's network element sends first registration message to the access network discovery selection functional entity; Said first registration message comprises the WLAN information that said subscriber equipment current location is corresponding and the identification information of said subscriber equipment, so that said access network discovery selection functional entity writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

As shown in Figure 5, for the mobile network's in the embodiment of the invention network element is the networking structure figure of PGW, wherein, there is interface between PGW and the access network discovery selection functional entity.

As shown in Figure 6; A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Fig. 5 that provides for the embodiment of the invention; In the present embodiment; PGW assists the access network discovery selection functional entity to obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment, and this embodiment comprises:

S601:UE sends attach request (Attach Request) or PDN to MME and connects and create request (PDN Connction Setup Request) message, and said attach request or PDN connect the positional information that UE is carried in the request of establishment;

S602:MME sends to SGW and creates conversation request (Create Session Request) message, and said establishment conversation request message is carried the positional information of UE;

S603:SGW sends to PGW and creates conversation request message, and said establishment conversation request message is carried the positional information of UE;

S604:PGW is UE distributing IP (Internet Protocol, Internet protocol) address and temporary mark (IDentification, abbreviation: ID);

PGW sends to SGW and creates conversational response (Create Session Response) message, and said establishment conversational response message is carried the identification information of UE, and the identification information of said UE comprises the temporary mark of said UE, and/or the IP address of said UE;

S605:PGW is according to the positional information of UE; Confirm the WLAN information corresponding with the UE current location; Said WLAN information comprises WLAN service set (Service SetIDentification; Be called for short: SSID) or the WLAN basic service set identification (Base Service SetIDentification is called for short: BSSID);

PGW can obtain the corresponding WLAN information of UE current location in the following manner: each WLAN in its compass of competency that PGW is pre-configured and the mapping relations of said each WLAN position information; After said PGW searches said mapping relations according to the positional information of UE, obtain the corresponding WLAN information of UE current location;

Certainly; It will be appreciated by those skilled in the art that; PGW can also obtain the corresponding WLAN information of UE current location through other approach; For example, PGW sends request to the network equipment of the mapping relations that dispose WLAN and its position information, so that the said network equipment sends the corresponding WLAN information of UE current location to said mobile network's network element;

After PGW confirms the WLAN information corresponding with the UE current location; PGW sends first registration (Register) message to the access network discovery selection functional entity, and said first registration message comprises the WLAN information of UE current location correspondence and the identification information of said UE;

After the access network discovery selection functional entity receives said first registration message, according to the mapping relations between the identification information of corresponding WLAN information of said first registration message record UE current location and said UE;

S606:SGW sends to MME and creates conversational response message, and said establishment conversational response message is carried the identification information of UE;

Need to prove that this step S606 can afterwards, or take place simultaneously, did not have sequencing before step S605;

S607: if MME receives the Attach Request message that UE sends, MME sends initialization context creation request (Initial Context Setup Request) message and adheres to acceptance (AttachAccept) message to eNodeB; Perhaps

If MME receives the PDN connection establishment request message that UE sends, MME sends bearer context to eNodeB and creates request (Bearer Context Setup Request) message and PDN connection establishment response (PDN ConnectionSetup Response) message;

Above-mentioned any one message in two kinds of message that eNodeB sends can be carried the identification information of UE; For example when MME receives the Attach Request message that UE sends, the initialization context creation request message that MME sends to eNodeB is accepted one of any all identification informations of portability UE of message with adhering to;

S608:eNodeB to UE send Radio Resource control (Radio Resource Control, be called for short: RRC) connect configuration messages, said RRC connects the identification information that configuration messages carries UE;

S609:UE sends RRC to eNodeB and connects configuration completion (RRC ConnectionConfiguration Complete) message;

S610:eNodeB sends initialization context creation response (Initial Context SetupResponse) message or bearer context establishment response (Bearer Context Setup Response) message to MME, particularly:

If eNodeB receives the initialization context creation request message of MME transmission and adheres to and accept message, eNodeB sends initialization context creation response message to MME; Perhaps

The bearer context of MME transmission is created request message and response message is created in the PDN connection if eNodeB receives, and eNodeB sends bearer context establishment response message to MME;

S611:MME sends to SGW and revises conversation request (Modify Session Request) message;

S612:MME receives modification conversational response (the Modify Session Response) message that SGW sends;

Security association between S613:UE foundation and the access network discovery selection functional entity;

S614:UE sends access network information request (AccessNetwork Information Request) message to the access network discovery selection functional entity, and said access network information request message carries the identification information of UE;

Because what preserve in the access network discovery selection functional entity is the mapping relations between the identification information of corresponding WLAN information of UE current location and UE; Therefore; UE need send the identification information of UE to the access network discovery selection functional entity, to obtain the WLAN information related with identification information;

Alternatively, said access network information request message carries the access capability of UE;

S615: the access network discovery selection functional entity is according to the identification information of the UE in the access network information request message; Search the UE current location corresponding WLAN information related with the identification information of UE; And to UE transmission access network information response (Access Network Information Response) message, said access network information response message carries the corresponding WLAN information of UE current location;

S616:UE determines whether to initiate Wi-Fi according to strategy to be inserted.

In the present embodiment, UE is through LTE access way access to mobile network, and for other access waies, like GERAN or UTRAN, its realization flow and present embodiment similar repeated no more at this.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides; Through PGW to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition, the mapping relations of each WLAN in PGW in pre-configured its compass of competency and said each WLAN position information make said mapping relations distribute and are kept among the PGW; Alleviated the load of access network discovery selection functional entity; Simplified the information configuration of access network discovery selection functional entity, secondly, when WLAN changes; For example there is new WLAN to increase; Subscriber equipment and access network discovery selection functional entity are carried out alternately, make subscriber equipment can in time obtain the corresponding WLAN information of said UE current location, have reduced the time delay of subscriber equipment access WLAN.

As shown in Figure 7, for the mobile network's in the embodiment of the invention network element is the networking structure figure of SGW, wherein, there is interface between SGW and the access network discovery selection functional entity.

As shown in Figure 8; A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Fig. 7 that provides for the embodiment of the invention; In the present embodiment; SGW assists the access network discovery selection functional entity to obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment, and this embodiment comprises:

S801:UE sends attach request or PDN connection establishment request message to MME, and said attach request or PDN connect the positional information that UE is carried in the request of establishment;

S802:MME sends to SGW and creates conversation request message, and said establishment conversation request message is carried the positional information of UE;

S803:SGW sends to PGW and creates conversation request message;

S804:PGW is UE distributing IP address;

PGW sends to SGW and creates conversational response message, and said establishment conversational response message is carried the IP address of UE;

S805:SGW is the temporary mark that UE distributes UE;

SGW sends to MME and creates conversational response message, and said establishment conversational response message is carried the identification information of UE, and the identification information of said UE comprises the temporary mark of said UE, and/or the IP address of said UE;

S806:SGW confirms the WLAN information corresponding with the UE current location according to the positional information of UE, and said WLAN information comprises WLAN SSID or WLAN BSSID;

SGW can obtain the corresponding WLAN information of UE current location in the following manner: each WLAN in its compass of competency that SGW is pre-configured and the mapping relations of said each WLAN position information; After said SGW searches said mapping relations according to the positional information of UE, obtain the corresponding WLAN information of UE current location;

Certainly; It will be appreciated by those skilled in the art that; SGW can also obtain the corresponding WLAN information of UE current location through other approach; For example, SGW sends request to the network equipment of the mapping relations that dispose WLAN and its position information, so that the said network equipment sends the corresponding WLAN information of UE current location to said mobile network's network element;

After SGW confirms the WLAN information corresponding with the UE current location; SGW sends first registration (Register) message to the access network discovery selection functional entity, and said first registration message comprises the WLAN information of UE current location correspondence and the identification information of said UE;

S807: if MME receives the Attach Request message that UE sends, MME sends initialization context creation request message and adheres to and accept message to eNodeB; Perhaps

If MME receives the PDN connection of UE transmission and creates request message, MME sends bearer context to eNodeB and creates request message and PDN connection establishment response message;

Need to prove that this step S807 can afterwards, or take place simultaneously, did not have sequencing before step S806;

S808:eNodeB sends Radio Resource control connection configuration messages to UE, and said Radio Resource control connection configuration messages carries the identification information of UE;

S809:UE sends the configuration of Radio Resource control connection to eNodeB and accomplishes message;

S810:eNodeB sends initialization context creation response message or bearer context establishment response message to MME, particularly:

S811:MME sends to SGW and revises conversation request message;

S812:MME receives the modification conversational response message that SGW sends;

Security association between S813:UE foundation and the access network discovery selection functional entity;

S814:UE sends the access network information request message to the access network discovery selection functional entity, and said access network information request message carries the identification information of UE;

Because what preserve in the access network discovery selection functional entity is the mapping relations between the identification information of corresponding WLAN information of UE current location and UE; Therefore; UE need send the identification information of UE to the access network discovery selection functional entity, to obtain the WLAN information related with identification information; Alternatively, said access network information request message carries the access capability of UE;

S815: the access network discovery selection functional entity is according to the identification information of the UE in the access network information request message; Search the UE current location corresponding WLAN information related with the identification information of UE; And to UE transmission access network information response message, said access network information response message carries the corresponding WLAN information of UE current location;

S816:UE determines whether to initiate Wi-Fi according to strategy to be inserted.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides; Through SGW to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition, the mapping relations of each WLAN in SGW in pre-configured its compass of competency and said each WLAN position information make said mapping relations distribute and are kept among the SGW; Alleviated the load of access network discovery selection functional entity; Simplified the information configuration of access network discovery selection functional entity, secondly, when WLAN changes; For example there is new WLAN to increase; Subscriber equipment and access network discovery selection functional entity are carried out alternately, make subscriber equipment can in time obtain the corresponding WLAN information of said UE current location, have reduced the time delay of subscriber equipment access WLAN.

As shown in Figure 9, for the mobile network's in the embodiment of the invention network element is the networking structure figure of MME, wherein, there is interface between MME and the ANDSF.

Shown in figure 10; A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Fig. 9 that provides for the embodiment of the invention; In the present embodiment; MME assists the access network discovery selection functional entity to obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment, and this embodiment comprises:

S1001:UE sends attach request or PDN connection establishment request message to MME, and said attach request or PDN connect the positional information that UE is carried in the request of establishment;

S1002:MME sends to SGW and creates conversation request message;

S1003:SGW sends to PGW and creates conversation request message;

S1004:PGW is UE distributing IP address;

S1005:MME receives the establishment conversational response message that SGW sends, and said establishment conversational response message is carried the IP address of UE;

S1006:MME is the temporary mark that UE distributes UE;

If MME receives the Attach Request message that UE sends, MME sends initialization context creation request message and adheres to and accept message to eNodeB; Perhaps

Above-mentioned any one message in two kinds of message that eNodeB sends can be carried the identification information of UE; The identification information of said UE comprises the temporary mark of said UE; And/or the IP address of said UE; For example when MME receives the Attach Request message that UE sends, the initialization context creation request message that MME sends to eNodeB is accepted one of any all identification informations of portability UE of message with adhering to;

S1007:MME confirms the WLAN information corresponding with the UE current location according to the positional information of UE, and said WLAN information comprises WLAN SSID or WLAN BSSID;

MME can obtain the corresponding WLAN information of UE current location in the following manner: each WLAN in its compass of competency that MME is pre-configured and the mapping relations of said each WLAN position information; After said MME searches said mapping relations according to the positional information of UE, obtain the corresponding WLAN information of UE current location;

Certainly; It will be appreciated by those skilled in the art that; MME can also obtain the corresponding WLAN information of UE current location through other approach; For example, MME sends request to the network equipment of the mapping relations that dispose WLAN and its position information, so that the said network equipment sends the corresponding WLAN information of UE current location to said mobile network's network element;

After MME confirms the WLAN information corresponding with the UE current location; MME sends first registration (Register) message to the access network discovery selection functional entity, and said first registration message comprises the WLAN information of UE current location correspondence and the identification information of said UE;

S1008:eNodeB sends Radio Resource control connection configuration messages to UE, and said Radio Resource control connection configuration messages carries the identification information of UE;

Need to prove that this step S1008 can afterwards, or take place simultaneously, did not have sequencing before step S1007;

S1009:UE sends the configuration of Radio Resource control connection to eNodeB and accomplishes message;

S1010:eNodeB sends initialization context creation response message or bearer context establishment response message to MME, particularly:

S1011:MME sends to SGW and revises conversation request message;

S1012:MME receives the modification conversational response message that SGW sends;

Security association between S1013:UE foundation and the access network discovery selection functional entity;

S1014:UE sends the access network information request message to the access network discovery selection functional entity, and said access network information request message carries the identification information of UE;

S1015: the access network discovery selection functional entity is according to the identification information of the UE in the access network information request message; Search the UE current location corresponding WLAN information related with the identification information of UE; And to UE transmission access network information response message, said access network information response message carries the corresponding WLAN information of UE current location;

S1016:UE determines whether to initiate Wi-Fi according to strategy to be inserted.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides; Through MME to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition, the mapping relations of each WLAN in MME in pre-configured its compass of competency and said each WLAN position information make said mapping relations distribute and are kept among the MME; Alleviated the load of access network discovery selection functional entity; Simplified the information configuration of access network discovery selection functional entity, secondly, when WLAN changes; For example there is new WLAN to increase; Subscriber equipment and access network discovery selection functional entity are carried out alternately, make subscriber equipment can in time obtain the corresponding WLAN information of said UE current location, have reduced the time delay of subscriber equipment access WLAN.

Shown in figure 11, for the mobile network's in the embodiment of the invention network element is the networking structure figure of eNodeB, wherein, there is interface between eNodeB and the access network discovery selection functional entity.

Shown in figure 12; A kind of method realization flow figure that obtains the WLAN configuration information under the networking structure of Figure 11 that provides for the embodiment of the invention; In the present embodiment; ENodeB assists the access network discovery selection functional entity to obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment, and this embodiment comprises:

S1201:UE connects the establishment request to eNodeB transmission attach request or PDN, and transmits said attach request or PDN connection establishment request message by eNodeB to MME, and wherein, said attach request or PDN connect the positional information that the establishment request message carries UE;

S1202:MME sends to SGW and creates conversation request message;

S1203:SGW sends to PGW and creates conversation request message;

S1204:PGW is UE distributing IP address;

S1205:SGW sends to MME and creates conversational response message, and said establishment conversational response message is carried the IP address of UE;

S1206: if MME receives the Attach Request message that UE sends, MME sends initialization context creation request message and adheres to and accept message to eNodeB; Perhaps

The IP address that above-mentioned any one message in two kinds of message that eNodeB sends can be carried UE; For example when MME receives the Attach Request message that UE sends, the initialization context creation request message that MME sends to eNodeB is accepted one of any all IP addresses of portability UE of message with adhering to;

S1207:eNodeB is the temporary mark that UE distributes UE;

ENodeB sends Radio Resource control connection configuration messages to UE, and said Radio Resource control connection configuration messages carries the identification information of UE, and the identification information of said UE comprises the temporary mark of said UE, and/or the IP address of said UE;

S1208:eNodeB confirms the WLAN information corresponding with the UE current location according to the positional information of UE, and said WLAN information comprises WLAN SSID or WLAN BSSID;

ENodeB can obtain the corresponding WLAN information of UE current location in the following manner: each WLAN in its compass of competency that eNodeB is pre-configured and the mapping relations of said each WLAN position information; After said eNodeB searches said mapping relations according to the positional information of UE, obtain the corresponding WLAN information of UE current location;

Certainly; It will be appreciated by those skilled in the art that; ENodeB can also obtain the corresponding WLAN information of UE current location through other approach; For example, eNodeB sends request to the network equipment of the mapping relations that dispose WLAN and its position information, so that the said network equipment sends the corresponding WLAN information of UE current location to said mobile network's network element;

After eNodeB confirms the WLAN information corresponding with the UE current location; ENodeB sends first registration (Register) message to the access network discovery selection functional entity, and said first registration message comprises the WLAN information of UE current location correspondence and the identification information of said UE;

S1209:UE sends the configuration of Radio Resource control connection to eNodeB and accomplishes message;

Need to prove that this step S1209 can afterwards, or take place simultaneously, did not have sequencing before step S1208;

S1210:eNodeB sends initialization context creation response message or bearer context establishment response message to MME, particularly:

S1211:MME sends to SGW and revises conversation request message;

S1212:MME receives the modification conversational response message that SGW sends;

Security association between S1213:UE foundation and the access network discovery selection functional entity;

S1214:UE sends the access network information request message to the access network discovery selection functional entity, and said access network information request message carries the identification information of UE;

S1215: the access network discovery selection functional entity is according to the identification information of the UE in the access network information request message; Search the UE current location corresponding WLAN information related with the identification information of UE; And to UE transmission access network information response message, said access network information response message carries the corresponding WLAN information of UE current location;

S1216:UE determines whether to initiate Wi-Fi according to strategy to be inserted.

In the present embodiment; UE is through LTE access way access to mobile network; For other access waies, like GERAN or UTRAN, the mapping relations of each WLAN and said each WLAN position information can be configured on BSC or the RNC; Its realization flow and present embodiment similar repeated no more at this.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides; Through eNodeB to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition, the mapping relations of each WLAN in eNodeB in pre-configured its compass of competency and said each WLAN position information make said mapping relations distribute and are kept among the eNodeB; Alleviated the load of access network discovery selection functional entity; Simplified the information configuration of access network discovery selection functional entity, secondly, when WLAN changes; For example there is new WLAN to increase; Subscriber equipment and access network discovery selection functional entity are carried out alternately, make subscriber equipment can in time obtain the corresponding WLAN information of said UE current location, have reduced the time delay of subscriber equipment access WLAN.

Shown in figure 13; The another kind under the networking structure of Fig. 5 that provides for the embodiment of the invention obtains the method realization flow figure of WLAN configuration information; After present embodiment is directed against the UE access network, the scene that the position of said UE changes, particularly; Triggering switching (Handover) flow process with UE is example, and this embodiment comprises:

S1301:UE carries out switching flow;

The positional information of S1302:PGW after according to the UE position change, confirm with the UE position change after corresponding WLAN information, said WLAN information comprises WLAN SSID or WLANBSSID;

PGW can obtain WLAN information corresponding behind the UE position change in the following manner: each WLAN in its compass of competency that PGW is pre-configured and the mapping relations of said each WLAN position information; After the positional information of said PGW after according to the position change of UE searched said mapping relations, obtain corresponding WLAN information behind the UE position change;

Certainly; It will be appreciated by those skilled in the art that; PGW can also be through corresponding WLAN information behind other the approach acquisition UE position change; For example, PGW sends request to the network equipment of the mapping relations that dispose WLAN and its position information, so that the said network equipment corresponding WLAN information after said mobile network's network element sends the UE position change;

PGW confirm with the UE position change after after the corresponding WLAN information; PGW sends second registration (Register) information to the access network discovery selection functional entity; Said second log-on message comprises WLAN information corresponding behind the UE position change and the identification information of said UE; The identification information of said UE comprises the temporary mark of said UE, and/or the IP address of said UE;

After the access network discovery selection functional entity receives said second registration message, according to the mapping relations between the identification information of WLAN information corresponding behind said second log-on message renewal UE position change and said UE;

Alternatively, the access network discovery selection functional entity is upgraded the identification information of UE;

S1303: the access network discovery selection functional entity is according to the identification information of the subscriber equipment in second registration message; Search corresponding WLAN information behind the UE position change related with the identification information of UE, and corresponding WLAN information after UE pushes the UE position change initiatively;

Alternatively, ANDSF can also be directly according to WLAN information corresponding behind the UE position change in second registration message, the WLAN information of active correspondence after UE pushes said UE position change;

S1304:UE determines whether to initiate Wi-Fi according to strategy to be switched.

More realization flow and the above-mentioned flow process during new technological process is similar at the UE occurrence positions; Narrate no longer one by one at this; Wherein, Said position more new technological process comprises TAU (Tracking Area Update, the tracking area position is upgraded) flow process or RAU (Routing Area Update, the route zone position is upgraded) flow process.

In the present embodiment; Can also other the mobile network network element (for example: SGW; MME or eNodeB) go up each WLAN and the mapping relations of said each WLAN position information in pre-configured its compass of competency; The flow process of its realization flow and present embodiment is similar, narrates no longer one by one at this.

In addition, in the present embodiment, UE is through LTE access way access to mobile network; For other access waies; Like GERAN or UTRAN, can be through the mapping relations of each WLAN in pre-configured its compass of competency and said each WLAN position information on SGSN or RNC or BSC, and upgrade the mapping relations between the identification information of WLAN information and said UE of correspondence behind the UE position change; Its realization flow and present embodiment similar repeated no more at this.

A kind of method of obtaining the WLAN configuration information that the embodiment of the invention provides; Change the corresponding WLAN information in back and the identification information of said subscriber equipment through PGW to access network discovery selection functional entity report of user device location; Make the access network discovery selection functional entity location of user equipment that can upgrade in time change the mapping relations between the identification information of corresponding WLAN information in back and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition, the mapping relations of each WLAN in PGW in pre-configured its compass of competency and said each WLAN position information make said mapping relations distribute and are kept among the PGW; Alleviated the load of access network discovery selection functional entity; Simplified the information configuration of access network discovery selection functional entity, secondly, when location of user equipment changes; The access network discovery selection functional entity can change through the position of PGW perception subscriber equipment; And active corresponding WLAN information after subscriber equipment pushes the location of user equipment change, the WLAN information on the subscriber equipment that guaranteed can be upgraded in time, has reduced the time delay of subscriber equipment switching WLAN.

Shown in figure 14, a kind of access network discovery selection functional entity for the embodiment of the invention provides comprises:

Receiving element 1401 is used to receive first registration message that mobile network's network element sends, and said first registration message comprises the WLAN information that the subscriber equipment current location is corresponding and the identification information of said subscriber equipment;

Wherein, said WLAN information comprises WLAN service set or WLAN basic service set identification, and the identification information of said subscriber equipment comprises the temporary mark of said subscriber equipment, and/or said user device IP address;

Record cell 1402 is used for first registration message that receives according to said receiving element 1401, writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

In the present embodiment, said receiving element 1401 can also be used to receive the access network information request message that said subscriber equipment sends, and said access network information request message carries the identification information of said subscriber equipment,

Then, this access network discovery selection functional entity also comprises:

First transmitting element; The identification information of the subscriber equipment of the access network information request message that is used for receiving according to said receiving element 1401; Send the access network information response message to said subscriber equipment, said access network information response message carries the corresponding WLAN information of said subscriber equipment current location.

In the present embodiment; Said receiving element 1401 can also be used to receive second registration message that said mobile network's network element sends; Said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment

Then, this access network discovery selection functional entity also comprises:

Updating block is used for second registration message that receives according to said receiving element 1401, upgrades the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment;

Second transmitting element is used for second registration message according to said receiving element 1401 receptions, initiatively pushes said location of user equipment to said subscriber equipment and changes the corresponding WLAN information in back.

A kind of access network discovery selection functional entity that the embodiment of the invention provides; The WLAN information that reported by network elements subscriber equipment present position through the mobile network is corresponding and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possess the ability that the corresponding WLAN information in its position is provided to subscriber equipment, in addition, when WLAN changes; For example there is new WLAN to increase; Subscriber equipment and access network discovery selection functional entity are carried out alternately, make subscriber equipment can in time obtain the corresponding WLAN information of said UE current location, have reduced the time delay of subscriber equipment access WLAN; Secondly; When location of user equipment changed, the position of the network element perception subscriber equipment that the access network discovery selection functional entity can be through the mobile network changed, and initiatively pushed location of user equipment to subscriber equipment and change the corresponding WLAN information in back; Guaranteed that the WLAN information on the subscriber equipment can be upgraded in time, reduced the time delay of subscriber equipment switching WLAN.

Shown in figure 15, a kind of mobile network's who provides for the embodiment of the invention network element comprises:

Confirm unit 1501, be used for positional information, confirm the WLAN information that said subscriber equipment current location is corresponding according to subscriber equipment;

Wherein, said WLAN information comprises WLAN service set or WLAN basic service set identification;

Transmitting element 1502; Be used for after the corresponding WLAN information of said subscriber equipment current location is confirmed in said definite unit 1501; Send first registration message to the access network discovery selection functional entity; Said first registration message comprises the WLAN information that said subscriber equipment current location is corresponding and the identification information of said subscriber equipment, so that said access network discovery selection functional entity writes down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

Said mobile network's network element also comprises:

Dispensing unit; Be used for each WLAN and the mapping relations of said each WLAN position information in pre-configured said mobile network's the network element compass of competency, so that said definite unit 1501 obtains the WLAN information of said subscriber equipment current location correspondence according to the pre-configured mapping relations of said dispensing unit.

In the present embodiment, when said definite unit 1501 also is used for changing in the position of said subscriber equipment,, confirm that said location of user equipment changes the corresponding WLAN information in back according to the positional information after the change of said subscriber equipment,

Then; Said transmitting element 1502 also is used for after said definite unit 1501 confirms that said location of user equipment changes the corresponding WLAN information in back; Send second registration message to said access network discovery selection functional entity; Said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment, so that said access network discovery selection functional entity is upgraded the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

In addition; Said transmitting element 1502 can also be used for sending to said subscriber equipment the identification information of said subscriber equipment; The identification information of said subscriber equipment comprises the temporary mark of said subscriber equipment; And/or the internet protocol address of said subscriber equipment, so that subscriber equipment is according to the identification information of said subscriber equipment, to the corresponding WLAN information in the said subscriber equipment of access network discovery selection functional entity request position.

A kind of mobile network's that present embodiment provides network element; Through transmitting element to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of corresponding WLAN information of subscriber equipment current location and said subscriber equipment; Possesses the ability that the corresponding WLAN information in its position is provided to subscriber equipment; In addition; The mapping relations of each WLAN in mobile network's network element in pre-configured its compass of competency and said each WLAN position information; Make said mapping relations distribute and be kept in mobile network's the network element, alleviated the load of access network discovery selection functional entity, simplified the information configuration of access network discovery selection functional entity; Secondly; When WLAN changes in the compass of competency of mobile network's network element, for example have new WLAN to increase, said mobile network's network element can dispose the mapping relations between relevant WLAN and its position information in time; Make when subscriber equipment access or change in location; Said mobile network's network element can be notified the access network discovery selection functional entity in time, makes the access network discovery selection functional entity can obtain the mapping relations between the identification information of corresponding up-to-date WLAN information of subscriber equipment current location and subscriber equipment in time, once more; When location of user equipment changes; Mobile network's network element can confirm again that through confirming the unit location of user equipment changes the corresponding WLAN information in back, and informs the access network discovery selection functional entity through transmitting element, makes the position of access network discovery selection functional entity perception in time subscriber equipment change.

Shown in figure 16, be a kind of system that obtains the WLAN configuration information that the embodiment of the invention provides, this system comprises: mobile network's network element 1601, and access network discovery selection functional entity 1602, wherein,

Said mobile network's network element 1601; Be used for positional information according to subscriber equipment; Send first registration message to access network discovery selection functional entity 1602, said first registration message comprises the WLAN information of said subscriber equipment current location correspondence and the identification information of said subscriber equipment;

Said access network discovery selection functional entity 1602; Be used for first registration message that sends according to said mobile network's network element 1601, write down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment.

In the present embodiment; Said mobile network's network element 1601 also is used for sending to said subscriber equipment the identification information of said subscriber equipment; The identification information of said subscriber equipment comprises the temporary mark of said subscriber equipment, and/or the internet protocol address of said subscriber equipment;

Then; After said access network discovery selection functional entity 1602 receives the access network information request message of said subscriber equipment transmission; Send the access network information response message to said subscriber equipment; Wherein, said access network information request message carries the identification information of said subscriber equipment, and said access network information response message carries the corresponding WLAN information of said subscriber equipment current location.

In the present embodiment; Said mobile network's network element 1601 also is used for according to the positional information after the said location of user equipment change; Send second registration message to said access network discovery selection functional entity 1602; Said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment

Then; Said access network discovery selection functional entity 1602 also is used for second registration message that sends according to said mobile network's network element 1601, upgrades the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment;

Wherein, said access network discovery selection functional entity 1602 also is used for according to said second registration message, initiatively pushes said location of user equipment to said subscriber equipment and changes the corresponding WLAN information in back.

Said mobile network's network element 1601 comprises:

Confirm the unit; Be used for current location information according to said subscriber equipment; Confirm the WLAN information that said subscriber equipment current location is corresponding; When perhaps changing,, confirm that said location of user equipment changes the corresponding WLAN information in back according to the positional information behind the position change of said subscriber equipment in the position of said subscriber equipment;

Transmitting element; Be used for after the corresponding WLAN information of said subscriber equipment current location is confirmed in said definite unit; Send said first registration message to said access network discovery selection functional entity; Perhaps after said definite unit confirms that said location of user equipment changes the corresponding WLAN information in back, send said second registration message to said access network discovery selection functional entity.

Said mobile network's network element 1601 also comprises:

Dispensing unit; Be used for each WLAN and the mapping relations of said each WLAN position information in pre-configured said mobile network's network element 1601 compasss of competency, so that said definite unit obtains the WLAN information of said subscriber equipment current location correspondence according to the pre-configured said mapping relations of said dispensing unit.

Said access network discovery selection functional entity 1602 comprises:

Receiving element is used to receive said first registration message that said mobile network's network element 1601 sends, and perhaps receives said second registration message that said mobile network's network element 1601 sends;

Record cell; Be used for when said receiving element receives first registration message that said mobile network's network element 1601 sends; According to said first registration message, write down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment;

Updating block; Be used for when said receiving element receives second registration message that said mobile network's network element 1601 sends; According to said second registration message, upgrade the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

A kind of network element that obtains method, system, access network discovery selection functional entity and the mobile network of WLAN configuration information that the embodiment of the invention provides; A kind of method of under 3GPP inserts, obtaining WLAN information is provided; Improve user experience, reduced the load of 3GPP Access Network through shunting, in addition; Network element through the mobile network is to the corresponding WLAN information of access network discovery selection functional entity report of user equipment current location and the identification information of said subscriber equipment; Make the access network discovery selection functional entity can in time obtain the mapping relations between the identification information of the corresponding WLAN information of subscriber equipment current location and said subscriber equipment, possess the ability that the WLAN information of its position correspondence is provided to subscriber equipment, in addition; The mapping relations of each WLAN in mobile network's network element in pre-configured its compass of competency and said each WLAN position information; Make said mapping relations distribute and be kept in mobile network's the network element, alleviated the load of access network discovery selection functional entity, simplified the information configuration of access network discovery selection functional entity; Secondly; When WLAN changes, for example there is new WLAN to increase, subscriber equipment and access network discovery selection functional entity are carried out alternately; Make subscriber equipment can in time obtain the corresponding WLAN information of said UE current location; Reduced the time delay of subscriber equipment access WLAN, once more, when location of user equipment changes; The access network discovery selection functional entity can be through the mobile network the position of network element perception subscriber equipment change; And active corresponding WLAN information after subscriber equipment pushes the location of user equipment change, the WLAN information on the subscriber equipment that guaranteed can be upgraded in time, has reduced the time delay of subscriber equipment switching WLAN.

In a word, the preferred embodiment that the above is merely technical scheme of the present invention is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a method of obtaining the WLAN configuration information is characterized in that, this method comprises:

2. method according to claim 1 is characterized in that, said mobile network's network element is confirmed the WLAN information that said subscriber equipment current location is corresponding;

Wherein, Each WLAN in pre-configured said mobile network's the network element compass of competency and the mapping relations of said each WLAN position information; After said mobile network's network element is searched said mapping relations according to the positional information of said subscriber equipment, obtain the corresponding WLAN information of said subscriber equipment current location.

3. method according to claim 1 and 2 is characterized in that, said method also comprises:

Said mobile network's network element sends the identification information of said subscriber equipment to said subscriber equipment, and the identification information of said subscriber equipment comprises the temporary mark of said subscriber equipment, and/or the internet protocol address of said subscriber equipment.

4. method according to claim 3 is characterized in that, said method also comprises:

Said access network discovery selection functional entity receives the access network information request message that said subscriber equipment sends, and said access network information request message carries the identification information of said subscriber equipment;

Said access network discovery selection functional entity is according to the identification information of the subscriber equipment in the said access network information request message; Send the access network information response message to said subscriber equipment, said access network information response message carries the corresponding WLAN information of said subscriber equipment current location.

5. according to any described method of claim among the claim 1-4, it is characterized in that said method also comprises:

If the position of said subscriber equipment changes; Said access network discovery selection functional entity receives second registration message of said mobile network's network element transmission, and said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment;

Said access network discovery selection functional entity is according to said second registration message, upgrades the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

6. method according to claim 5 is characterized in that, said method also comprises:

Said access network discovery selection functional entity initiatively pushes said location of user equipment to said subscriber equipment and changes the corresponding WLAN information in back according to the identification information of the subscriber equipment in said second registration message.

7. a method of obtaining the WLAN configuration information is characterized in that, this method comprises:

8. method according to claim 7 is characterized in that, said method also comprises:

Each WLAN in pre-configured said mobile network's the network element compass of competency and the mapping relations of said each WLAN position information;

Then, said mobile network's network element is confirmed the WLAN information that said subscriber equipment current location is corresponding according to the positional information of said subscriber equipment, comprising:

After said mobile network's network element is searched said mapping relations according to the positional information of said subscriber equipment, obtain the corresponding WLAN information of said subscriber equipment current location.

9. according to claim 7 or 8 described methods, it is characterized in that said method also comprises:

10. method according to claim 9 is characterized in that, said mobile network's network element sends the identification information of said subscriber equipment to said subscriber equipment, comprising:

Said mobile network's network element is perhaps created request message through RAB through creating conversational response message and Radio Resource control connection configuration messages, sends the identification information of said subscriber equipment to said subscriber equipment.

11., it is characterized in that said method also comprises according to claim 9 or 10 described methods:

12., it is characterized in that said method also comprises according to any described method of claim among the claim 7-11:

If the position of said subscriber equipment changes, the positional information of said mobile network's network element after according to the position change of said subscriber equipment confirms that said location of user equipment changes the corresponding WLAN information in back;

Said mobile network's network element sends second registration message to said access network discovery selection functional entity; Said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment, so that said access network discovery selection functional entity is upgraded the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

13. method according to claim 12 is characterized in that, said method also comprises:

14. an access network discovery selection functional entity is characterized in that, comprising:

15. entity according to claim 14 is characterized in that, said receiving element also is used to receive the access network information request message that said subscriber equipment sends, and said access network information request message carries the identification information of said subscriber equipment;

Then, said entity also comprises:

First transmitting element; The identification information of the subscriber equipment of the access network information request message that is used for receiving according to said receiving element; Send the access network information response message to said subscriber equipment, said access network information response message carries the corresponding WLAN information of said subscriber equipment current location.

16. according to claim 14 or 15 described entities; It is characterized in that; Said receiving element also is used to receive second registration message that said mobile network's network element sends, and said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment;

Then, said entity also comprises:

Updating block is used for second registration message that receives according to said receiving element, upgrades the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

17. entity according to claim 16 is characterized in that, also comprises:

Second transmitting element is used for second registration message according to said receiving element reception, initiatively pushes said location of user equipment to said subscriber equipment and changes the corresponding WLAN information in back.

18. a mobile network network element is characterized in that, comprising:

19. network element according to claim 18 is characterized in that, also comprises:

Dispensing unit; Be used for each WLAN and the mapping relations of said each WLAN position information in pre-configured said mobile network's the network element compass of competency, so that said definite unit obtains the WLAN information of said subscriber equipment current location correspondence according to the pre-configured mapping relations of said dispensing unit.

20., it is characterized in that according to claim 18 or 19 described network elements:

When said definite unit also is used for changing in the position of said subscriber equipment,, confirm that said location of user equipment changes the corresponding WLAN information in back according to the positional information after the change of said subscriber equipment;

Said transmitting element also is used for after said definite unit confirms that said location of user equipment changes the corresponding WLAN information in back; Send second registration message to said access network discovery selection functional entity; Said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment, so that said access network discovery selection functional entity is upgraded the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

21. a system that obtains the WLAN configuration information is characterized in that, this system comprises:

Mobile network's network element; Be used for positional information according to subscriber equipment; Send first registration message to the access network discovery selection functional entity, said first registration message comprises the WLAN information of said subscriber equipment current location correspondence and the identification information of said subscriber equipment;

22. system according to claim 21; It is characterized in that; Said mobile network's network element also is used for sending to said subscriber equipment the identification information of said subscriber equipment; The identification information of said subscriber equipment comprises the temporary mark of said subscriber equipment, and/or the internet protocol address of said subscriber equipment;

Then; After said access network discovery selection functional entity also is used to receive the access network information request message of said subscriber equipment transmission; Send the access network information response message to said subscriber equipment; Wherein, said access network information request message carries the identification information of said subscriber equipment, and said access network information response message carries the corresponding WLAN information of said subscriber equipment current location.

23. according to claim 21 or 22 described systems; It is characterized in that; Said mobile network's network element also is used for according to the positional information after the said location of user equipment change; Send second registration message to said access network discovery selection functional entity, said second registration message comprises that said location of user equipment changes the corresponding WLAN information in back and the identification information of said subscriber equipment

Then; Said access network discovery selection functional entity also is used for second registration message that sends according to said mobile network's network element, upgrades the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.

24. system according to claim 23; It is characterized in that; Said access network discovery selection functional entity also is used for according to said second registration message, initiatively pushes said location of user equipment to said subscriber equipment and changes the corresponding WLAN information in back.

25., it is characterized in that said mobile network's network element comprises according to claim 23 or 24 described systems:

26. system according to claim 25 is characterized in that, said mobile network's network element also comprises:

Dispensing unit; Be used for each WLAN and the mapping relations of said each WLAN position information in pre-configured said mobile network's the network element compass of competency, so that said definite unit obtains the WLAN information of said subscriber equipment current location correspondence according to the pre-configured said mapping relations of said dispensing unit.

27., it is characterized in that said access network discovery selection functional entity comprises according to claim 23 or 24 or 26 described systems:

Receiving element is used to receive said first registration message that said mobile network's network element sends, and perhaps receives said second registration message that said mobile network's network element sends;

Record cell; Be used for when said receiving element receives first registration message that said mobile network's network element sends; According to said first registration message, write down the mapping relations between the identification information of corresponding WLAN information of said subscriber equipment current location and said subscriber equipment;

Updating block; Be used for when said receiving element receives second registration message that said mobile network's network element sends; According to said second registration message, upgrade the mapping relations between the identification information that said location of user equipment changes corresponding WLAN information in back and said subscriber equipment.