CN104995955A

CN104995955A - Switching processing method, system and device

Info

Publication number: CN104995955A
Application number: CN201380003657.7A
Authority: CN
Inventors: 张健; 曾清海; 王可
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-11-26
Filing date: 2013-11-26
Publication date: 2015-10-21
Anticipated expiration: 2033-11-26
Also published as: WO2015077923A1; CN104995955B

Abstract

Provided are a switching processing method, system and device. The method comprises: receiving, by a user equipment (UE), a switching policy and wireless fidelity (wifi) shunting configuration information corresponding to a first base station, which are sent by the first base station, wherein the switching policy is used for indicating that the UE conducts access point (AP) switching according to a roaming mechanism of a wireless local area network (WLAN) protocol; according to the wifi shunting configuration information corresponding to the first base station, communicating, by the UE, with a first AP discovered by the WLAN protocol; and communicating, by the UE, with the first AP, and when the UE moves, acquiring, by the UE, a second AP according to the switching policy corresponding to the first base station, performing decorrelation with the first AP, and communicating with the second AP so as to realize AP switching .

Description

SWITCHING PROCESSING METHOD, SYSTEM AND DEVICE

Switching handling method and system and device

Technical field

The present embodiments relate to the communication technology, more particularly to a kind of switching handling method and system and device.Background technology

In the prior art, based on third generation partner program（The 3rd Generation Partnership Project;Referred to as：3GPP) Cellular Networks and wifi are carried out in the scene of data distribution, mainly pass through Long Term Evolution（Long Term Evolution;Referred to as：LTE evolved base station)（evolved Node B;Referred to as：ENB user equipment (User Equipment are controlled);Referred to as：UE mobility).

Specifically, eNB controls UE ambulant specific implementation is mainly：UE receives the configuration information that eNB is sent, and is measured according to the configuration information, obtains measurement result, according to the reporting schemes in the configuration information, the measurement result is reported to eNB.ENB selects corresponding wireless access node according to measurement result（Access Point;Referred to as：AP) configuration wif shuntings.Wherein, eNB is according to the corresponding AP configurations wif of the measurement result selection specific implementations shunted：ENB sends the wifi shunting request messages for carrying shunting configuring request parameter to AP, and receive the wifi shunting response messages for carrying shunting configuration response parameter of AP returns, eNB shunts response message further according to the wifi, shunting configuration response parameter is sent to UE, so that UE according to the shunting configuration response parameter, wifi shunting configurations are carried out, corresponding AP accesses is selected, carries out the communication process with eNB and wifi.

But, for in the scene of wifi dense deployments, UE movements can cause AP frequent switchings, and because UE must indicate to carry out AP switchings according to eNB, therefore, Signalling exchange between AP and eNB, UE can be caused more, so as to there is larger handover delay and signaling consumption, especially when the communication link time delay between eNB and AP is larger, performance of handoffs can be reduced, causes that customer service terminal time is longer or packet loss is more.The content of the invention

The embodiment of the present invention provides a kind of switching handling method and system and device, AP switchings must be carried out to solve UE in the prior art according to eNB instructions and cause Signalling exchange between AP and eNB, UE more, so as to there are problems that larger handover delay and signaling consumption. The first aspect of the embodiment of the present invention provides a kind of switching handling method, including：UE receives the corresponding switchover policy of the first base station and wifi shunting configuration informations that first base station is sent；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol；

The UE shunts configuration information according to the corresponding wifi of the first base station, is communicated with the first AP found by WLAN protocol；

When the UE is moved, the UE obtains the 2nd AP, goes to associate with the first AP, communicated with the 2nd AP, to realize AP switching according to the corresponding switchover policy of the first base station.

In the first possible implementation of first aspect, the corresponding wifi shuntings configuration information of the first base station includes the first ESSID, then methods described also includes：

The UE is when detecting corresponding 2nd ESSID of the 2nd AP and the first ESSID and differing, the instruction message for carrying the 2nd ESSID is sent to the first base station, so that first base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

With reference in a first aspect, second of first aspect may in implementation, in addition to：The UE is communicated with the 2nd AP, reports the 2nd AP's to the first base station

BSSID, so that the first base station is according to the BSSID, sets up communication link with the 2nd AP and shunting is associated.

With reference in a first aspect, in the third possible implementation of first aspect, in addition to：The UE is in moving process, if according to the switchover policy, the 2nd AP is not obtained, and go to associate with the first AP, then wifi idle state informations are reported to the first base station, so that the first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

With reference to first aspect to first aspect the third in any possible implementation, in the 4th kind of possible implementation of first aspect, in addition to：

The UE receives the handover request that first base station is sent, and the handover request includes：The corresponding RRC connections configuration information in second base station；Wherein, the corresponding RRC connections configuration information in second base station is the information that the first base station interact acquisition with second base station, and the corresponding wifi in second base station shunts configuration information and switchover policy；

The UE switches over processing according to the corresponding RRC connections configuration information in second base station；The UE shunts configuration information according to the corresponding wifi in second base station, with passing through the WLAN The AP of protocol discovery is communicated, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

With reference in a first aspect, in the 5th kind of possible implementation of first aspect, in addition to：The UE sends RRC connections when judging to need to switch back into LTE or need LTE to be shunted, to the first base station and sets up request；

The UE receives the first base station and sets up message according to the returned RRC connections of RRC connections foundation request, and message is set up in the RRC connections includes the corresponding wifi shunting configuration informations of the first base station and switchover policy.

With reference in a first aspect, in the 6th kind of possible implementation of first aspect, in addition to：The UE returns to wifi shunting configure-reject message to the first base station, and the wifi shunting configure-rejects message includes cause value；

Wherein, the cause value is following any：The corresponding wifi shuntings configuration information of the first base station is the wifi shunting configuration informations that the UE does not accept the interview transmitted by the eNB of public land mobile network, the UE has accessed or prepared other AP of access in addition to the AP lists in the corresponding wifi shuntings configuration information of the first base station, the QoS/QoE of the ongoing wifi shuntings unloadings of UE but the current service in the corresponding wifi shuntings configuration information of the first base station, which is less than predetermined threshold value and identified in the corresponding wifi shuntings configuration information of the first base station, adds new shunting service identification, the UE is differed from the switchover policy in the ANDSF switchover policy obtained or the switchover policy locally prestored wifi shuntings configuration information corresponding with the first base station, the UE is in urgent call state, the UE receives MBMS, terminated with the application layer identification current business of the UE within the scheduled time.

The second aspect of the embodiment of the present invention provides a kind of switching handling method, including：

First base station sends wifi to wifi controller or AP and shunts request, and receives the wifi shunting responses that the wifi controller or AP are returned, and is associated with setting up communication link with the wifi controller or AP and shunting；

The first base station is shunted according to the wifi and responded, the corresponding switchover policy of the first base station and wifi shunting configuration informations are sent to UE, so that the UE shunts configuration information according to the corresponding wifi of the first base station, communicated with the first AP found by WLAN protocol, and when the UE is moved, the UE is according to the corresponding switchover policy of the first base station, obtain the 2nd AP, go to associate with the first AP, communicated with the 2nd AP, to realize AP switching； Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

In the first possible implementation of second aspect, in addition to：

The first base station receives the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is the instruction message that the UE is sent when the first ESSID in detecting corresponding 2nd ESSID of the 2nd AP obtained according to the corresponding switchover policy of the first base station wifi shuntings configuration informations corresponding with the first base station is differed to the first base station；

First base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

With reference to second aspect, in second of possible implementation of second aspect, in addition to：The first base station receives the BSSID that the UE is reported, the corresponding BSSID of the 2nd AP that the BSSID is the UE to be reported after the 2nd AP communications with being obtained according to the corresponding switchover policy of the first base station;

The first base station sets up communication link with the 2nd AP and shunting is associated.

With reference to second aspect, in the third possible implementation of second aspect, in addition to：The first base station receives the wifi idle state informations that the UE is reported, and according to the wifi idle state informations, stops setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

With reference to second aspect to second aspect the third in any possible implementation, in the 4th kind of possible implementation of second aspect, in addition to：

The first base station sends handover request message to the second base station, and the handoff request message is included：The corresponding wifi shuntings configuration information of the first base station, to indicate that second base station shunts configuration information according to the corresponding wifi of the first base station, wifi shunting configuration processing is carried out with the first AP or other AP；Wherein, other described AP refer to other AP in addition to the first AP set up with the first base station under the wifi controller that communication link and shunting are associated;

The first base station receives the switching response message that second base station is returned, and the switching response message includes the corresponding RRC connections configuration information in second base station；

The first base station sends handover request to the UE, the handover request includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, so that the UE is according to the corresponding RRC connections configuration information in second base station, processing is switched over, according to second base station pair The wifi shunting configuration informations answered, are communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

The third aspect of the embodiment of the present invention provides a kind of switch processing device, including：

Transceiver module, the corresponding switchover policy of the first base station and wifi shunting configuration informations for receiving first base station transmission；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol；

Communication module, for shunting configuration information according to the corresponding wifi of the first base station, is communicated with the first AP found by WLAN protocol；

Hand-off process module, for when described device is moved, according to the corresponding switchover policy of the first base station, obtains the 2nd AP, goes to associate with the first AP, communicated with the 2nd AP, to realize AP switching.

In the first possible implementation of the third aspect, the corresponding wifi shuntings configuration information of the first base station includes the first ESSID, then described device also includes：

Detection module, for detecting whether corresponding 2nd ESSID of the 2nd AP are identical with the first ESSID；

The transceiver module, for when the detection module detects the 2nd ESSID and the first ESSID and differed, the instruction message for carrying the 2nd ESSID is sent to the first base station, so that first base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

With reference to the third aspect, in second of possible implementation of the third aspect, the communication module is additionally operable to be communicated with the 2nd AP；

Then the transceiver module, the BSSID for reporting the 2nd AP to the first base station, so that the first base station is according to the BSSID, sets up communication link with the 2nd AP and shunting are associated.

With reference to the third aspect, in the third possible implementation of the third aspect, the transceiver module is additionally operable in described device in moving process, if according to the switchover policy, the 2nd AP is not obtained, and go to associate with the first AP, then wifi idle state informations are reported to the first base station, so that the first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

With reference to the third aspect to the third aspect the third in any possible implementation, in the 4th kind of possible implementation of the third aspect, the transceiver module be additionally operable to receive first base station send switching disappear Breath, the handover request includes：The corresponding RRC connections configuration information in second base station；Wherein, the corresponding RRC connections configuration information in second base station is the information that the first base station interact acquisition with second base station, and the corresponding wifi in second base station shunts configuration information and switchover policy；

The hand-off process module is additionally operable to, according to the corresponding RRC connections configuration information in second base station, switch over processing；

The communication module is additionally operable to, according to the corresponding wifi shuntings configuration information in second base station, be communicated with the AP found by the WLAN protocol；

The hand-off process module is additionally operable in described device moving process, and AP hand-off process is carried out according to the corresponding switchover policy in second base station.

With reference to the third aspect, in the 5th kind of possible implementation of the third aspect, the transceiver module is additionally operable to when judging to need to switch back into LTE or need LTE to be shunted, and sending RRC connections to the first base station sets up request；

The transceiver module, which is additionally operable to receive the first base station, to be set up the returned RRC connections of request according to the RRC connections and sets up message, and the RRC connections, which set up message and include the corresponding wifi of the first base station, shunts configuration information and switchover policy.

With reference to the third aspect, in the 6th kind of possible implementation of the third aspect, the transceiver module is additionally operable to return to wifi shunting configure-reject message to the first base station, and the wifi shunting configure-rejects message includes cause value；

The fourth aspect of the embodiment of the present invention provides a kind of switch processing device, including：

Sending module, is asked for sending wifi shuntings to wifi controller or AP； Receiving module, shunts response for receiving the wifi that the wifi controller or AP are returned, is associated with setting up communication link with the wifi controller or AP and shunting；

The sending module is additionally operable to be shunted according to the wifi and responded, the corresponding switchover policy of the first base station and wifi shunting configuration informations are sent to UE, so that the UE shunts configuration information according to the corresponding wifi of the first base station, communicated with the first AP found by WLAN protocol, and when the UE is moved, the UE is according to the corresponding switchover policy of the first base station, obtain the 2nd AP, go to associate with the first AP, communicated with the 2nd AP, to realize AP switching；

Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

In the first possible implementation of fourth aspect, the receiving module is additionally operable to receive the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is the instruction message that the UE is sent when the first ESSID in detecting corresponding 2nd ESSID of the 2nd AP obtained according to the corresponding switchover policy of described device wifi shuntings configuration informations corresponding with described device is differed to described device；

Then described device also includes：

Module is set up, communication link and shunting association are set up for wifi controller corresponding with the 2nd ESSID.

With reference to fourth aspect, in second of possible implementation of fourth aspect, the receiving module is additionally operable to receive the BSSID that the UE is reported, the corresponding BSSID of the 2nd AP that the BSSID is the UE to be reported after the 2nd AP communications with being obtained according to the corresponding switchover policy of the first base station;

Then described device also includes：

Module is set up, is associated for setting up communication link with the 2nd AP and shunting.

With reference to fourth aspect, in the third possible implementation of fourth aspect, the receiving module is additionally operable to receive the wifi idle state informations that the UE is reported, and according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

With reference to fourth aspect to fourth aspect the third any of may implementation, in the 4th kind of possible implementation of fourth aspect, the sending module is additionally operable to send handover request message to the second base station, and the handoff request message includes：The corresponding wifi shuntings configuration information of described device, to indicate Second base station shunts configuration information according to the corresponding wifi of described device, and wifi shunting configuration processing is carried out with the first AP or other AP；Wherein, other described AP refer to other AP in addition to the first AP set up with described device under the wifi controller that communication link and shunting are associated;

The receiving module is additionally operable to receive the switching response message that second base station is returned, and the switching response message includes the corresponding RRC connections configuration information in second base station；

The sending module is additionally operable to send handover request to the UE, the handover request includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, so that the UE is according to the corresponding RRC connections configuration information in second base station, switch over processing, according to the corresponding wifi shuntings configuration information in second base station, communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

5th aspect of the embodiment of the present invention provides a kind of user equipment, including：Memory, for store instruction；Processor, is coupled with the memory, and the processor is configured as performing the instruction being stored in the memory, and the processor is configurable for performing the switching handling method as described in above-mentioned first aspect.

6th aspect of the embodiment of the present invention provides a kind of base station, including：Memory, for store instruction；Processor, is coupled with the memory, and the processor is configured as performing the instruction being stored in the memory, and the processor is configurable for performing the switching handling method as described in above-mentioned second aspect.

7th aspect of the embodiment of the present invention provides a kind of switching processing system, including：UE and base station, wherein, the UE is the switch processing device as described in the above-mentioned third aspect；The base station is the switch processing device as described in above-mentioned fourth aspect.

Switching handling method of the embodiment of the present invention and system and device, UE receives the corresponding switchover policy of the first base station and the wifi configured separate information that first base station is sent, in addition, UE shunts configuration information according to the corresponding wifi of first base station, communicated with the first AP found by WLAN protocol, when UE is moved, UE is according to the corresponding switchover policy of first base station, obtain the 2nd AP, go to associate with the first AP, and communicated with the 2nd AP, to realize that AP switches, because switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol, only need to realize AP switching in UE moving process according to switchover policy, therefore, efficiently solving UE in the prior art must indicate to carry out AP switchings and cause AP and eNB according to eNB, Signalling exchange is more between UE, so as to there is larger cut Time delay and signaling consumption problem are changed, so as to be effectively improved performance of handoffs.Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the wifi shunting configuration diagrams for the eNB shuntings that switching handling method of the present invention is based on；Fig. 2 is the grouped data network gateway that switching handling method of the present invention is based on（PDN Gateway;Referred to as：PGW) the wifi shunting configuration diagrams of shunting；

Fig. 3 is the flow chart of one embodiment of switching handling method of the present invention；

Fig. 4 is the flow chart of a still further embodiment of switching handling method of the present invention；

Fig. 5 is the flow chart of a still further embodiment of switching handling method of the present invention；

Fig. 6 is the flow chart of the further embodiment of switching handling method of the present invention；

Fig. 7 is the structural representation of one embodiment of switch processing device of the present invention；

Fig. 8 is the structural representation of another embodiment of switch processing device of the present invention；

Fig. 9 is the structural representation of the further embodiment of switch processing device of the present invention；

Figure 10 is the structural representation of another embodiment of switch processing device of the present invention.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

Fig. 1 is the wifi shunting configuration diagrams for the eNB shuntings that switching handling method of the present invention is based on, and Fig. 2 is the grouped data network gateway that switching handling method of the present invention is based on（PDN Gateway;Referred to as：PGW) the wifi shunting configuration diagrams of shunting, as depicted in figs. 1 and 2, when wifi shunts and converged the packet-based core networks occurred in evolution（Evolved Packet Core;Referred to as：During PGW in EPC), the anchor point that PGW is shunted as wifi.When wifi shunts and converged the wireless access occurred in 3GPP During net, such as E-UTRAN or UTRAN, the anchor point that eNB or RNC are shunted as wifi.In wireless aspect, UE can have wireless connection either to carry out radio communication or UE with LTE and wifi and have wireless connection with UMTS and wifi simultaneously or carry out radio communication simultaneously.

Another sunset is foretold, as UE in Cellular Networks in wireless heterogeneous networks connection status（RRC_CONNECTED) and when being associated with wifi access points, equivalent to the CA between Cellular Networks and wifi carry out systems.UE may also be in wireless heterogeneous networks idle condition in Cellular Networks（RRC_IDLE), UE whole business need to be communicated by wifi in this case.

Fig. 3 is the flow chart of one embodiment of switching handling method of the present invention, and the wifi based on the eNB shuntings shown in Fig. 1 or Fig. 2 shunts framework, as shown in figure 3, the method for the present embodiment can include：Step 101, UE receive the corresponding switchover policy of the first base station and wifi shunting configuration informations that first base station is sent；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

Step 102, UE shunt configuration information according to the corresponding wifi of the first base station, are communicated with by the first AP of WLAN protocol discoverys.

Step 103, UE are communicated with the first AP, when the UE is moved, and the UE obtains the 2nd AP, go to associate with the first AP, communicated with the 2nd AP, to realize AP switching according to the corresponding switchover policy of the first base station.

In the present embodiment, for example, UE is in moving process, and UE is according to the switchover policy, and the signal intensity for measuring the first AP is less than the first pre-determined threshold and/or according to beacon（Beacon the first AP load is more than the second pre-determined threshold in), and the 2nd AP signal intensity be more than first pre-determined threshold and/or its load and be less than second pre-determined threshold, the first AP is then gone into association, and communicated with the 2nd AP, to realize AP switching.

In the present embodiment, UE receives the corresponding switchover policy of the first base station and the wifi configured separate information that first base station is sent, in addition, UE shunts configuration information according to the corresponding wifi of first base station, communicated with the first AP found by WLAN protocol, when UE is moved, UE is according to the corresponding switchover policy of first base station, obtain the 2nd AP, go to associate with the first AP, and communicated with the 2nd AP, to realize that AP switches, because switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol, only need to realize AP switching in UE moving process according to switchover policy, therefore, efficiently solving UE in the prior art must indicate to carry out AP switchings and cause AP and eNB according to eNB, Signalling exchange is more between UE, so as to there are problems that larger handover delay and signaling consumption, from And it is effectively improved performance of handoffs.

Further, in another embodiment of the present invention, on the basis of above-mentioned 3 illustrated embodiment, communication link is directly set up with AP with first base station and shunting is associated, when there is no wifi controller, in case of the wifi controller can be wifi AC, WAG or wifi routers, after step 103, this method can also include：

UE is communicated with the 2nd AP, and the 2nd AP basic service set identification (Basic Service Set Identifier are reported to first base station;Referred to as：BSSID), so that the first base station is according to the BSSID, set up communication link with the 2nd AP and shunting is associated.

Further, in yet another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 3, this method can also include：

UE is in moving process, if according to switchover policy, the 2nd AP is not obtained, and go to associate with the first AP, then wifi idle state informations are reported to the first base station, so that first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link is associated with shunting to the first base station.

In the present embodiment, due to wifi covering problems, it can be associated without other suitable AP after UE goes to associate with the first AP, therefore, UE can report wifi idle state informations to first base station, so that first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link is associated with shunting to the first base station.

Fig. 4 is the flow chart of a still further embodiment of switching handling method of the present invention, as shown in figure 4, this method includes：

Step 201, UE receive the corresponding switchover policy of the first base station and wifi shunting configuration informations that first base station is sent；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

Step 202, UE shunt configuration information according to the corresponding wifi of the first base station, are communicated with by the first AP of WLAN protocol discoverys.

In the present embodiment, first base station is to wifi controller, for example：Wifi access controllers（Access Controller;Referred to as：AC), wifi access gatewaies（Wifi Access Gateway;Referred to as：) or wifi routers WAG（Router), wifi shunting request messages are sent, wifi shunting request messages can include：The MAC Address of the first base station, GPRS transmission agreement（GPRS Tunnel Protocol;Referred to as：GTP) end node identification（Terminal Endpoint Identifier;Referred to as：TEID), institute The radio bearer identification that need to be shunted（Radio Bearer ID;Referred to as：RB ID), the service quality of the radio bearer of required shunting（Quality of Service;Referred to as：QoS) information, the corresponding ESSID of wifi AC, WAG or wifi routers.

In addition, wifi AC, WAG or wifi routers receive wifi shunting request messages, and call access control is performed, it is selected to receive which RB ID is associated, set up RB ID and wifi access category mark（Access Category ID;Referred to as：AC ID) incidence relation, wifi shunting response messages are sent to the first base station, wherein, wifi shunting response messages can include：The information such as wifi AC, WAG or wifi routers corresponding ESSID, GTP TEID, RB ID, AC ID.

Alternatively, the wifi is shunted can also include in response message：The ability information of wifi AC, WAG or wifi routers or the wifi protocol version informations supported.In addition, it should also be noted that, wifi AC, WAG or wifi router may also be in call access controls, the quality of service information of the radio bearer of shunting needed for changing then also includes in wifi shunting response messages：The quality of service information of the radio bearer of shunting needed for amended, so that first base station sets up communication link with wifi AC, WAG or wifi routers and shunting is associated.Wherein, each wifi AC, WAG or wifi router includes multiple AP.

First base station sends the corresponding wifi of the first base station to UE and shunts configuration information, alternatively, and wifi shunting configuration informations include：The corresponding ESSID of wifi AC, WAG or wifi routers (i.e. the first ESSID), shunts the RB ID AC IDs corresponding with its of business, QoS information.

In the present embodiment, UE shunts configuration information according to the corresponding wifi of first base station, the RB of LTE protocol stacks is set up, access category AC, RB and AC for being diverted to corresponding to wifi RB association return to the message that wifi shuntings configure completion to first base station.It should be noted that, shunted for PGW or eNB is shunted but total data passes through wifi and the RB of UE communication, the corresponding wifi shuntings configuration information of first base station that UE can also be sent according to first base station, in advance these RB are set up in LTE protocol stack, so as to when these RB need to move to LTE again from wifi, it is not necessary to which base station reconfigures RB additionally by RRC information.Wherein, the message that wifi shuntings complete to configure can reconfigure completion by RRC connections（RRC Connection Reconfiguration Complete) message or RRC connections set up and complete（RRC Connection Setup Complete) message or RRC connection re-establishment completion messages（RRC Connection Reestablishment Complete) etc. be sent to base station.

In addition, UE has found the first AP, certification, association or the AP of re-association the first according to WLAN protocol, and communicated in certification and after being successfully associated with the first AP.UE can also pass through LTE simultaneously Agreement communicates with first base station.

It should be noted that in the present embodiment, first base station sends the corresponding wifi shunting configuration informations of first base station to UE and switchover policy may be embodied in same message, or is sent respectively using different message.For example：Whether first base station moves according to UE and UE translational speeds are retransmiting switchover policy to UE transmission wifi shunting configuration informations after for a period of time.Alternatively, first base station can also configure UE in wifi shunting configuration informations and the information such as wifi received signal strength, wifi loads are measured and reported, to assist UE to carry out AP discoveries and selection.In addition, wifi shunting configuration informations and/or switchover policy can be reconfigured by RRC links（RRC Connection Reconfiguration) message or information containing mobility control（Mobility Control Information) RRC connection reconfiguration messages or RRC connections set up（RRC Connection Setup) message or RRC connection re-establishments（RRC Connection Reestablishment) message etc. sends a UE.

Step 203, when the UE is moved, the UE obtains the 2nd AP, goes to associate with the first AP, communicated with the 2nd AP, to realize AP switching according to the corresponding switchover policy of the first base station.

In the present embodiment, UE according to switchover policy, i.e., has found the 2nd AP, and realize switchings of the UE from the first AP to the 2nd AP in moving process according to the roaming mechanism of WLAN protocol.Particularly, in the case where UE and WLAN support FT, according to FT protocol switchings AP.

If in addition, UE is in same extended service set（Extended Service Set;Referred to as：When being moved between the different AP in ESS), the processes such as certification, the forwarding of business data flow can be completed by wifi AC, WAG or wifi router, it then follows WLAN roaming agreement.Alternatively, when UE is moved, first base station can be according to network design（Deployment) or 0AM or the ANDSF information obtained or the recommended candidate target AP lists sent according to UE measurement reports to UE, to assist UE to carry out AP discoveries and selection, further reduction switching delay and UE battery consumptions are saved.

Step 204, UE are when detecting corresponding 2nd ESSID and the first ESSID of the 2nd AP and differing, the instruction message for carrying the 2nd ESSID is sent to the first base station, so that first base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

In the present embodiment, when corresponding 2nd ESSID and the first ESSID of the 2nd AP are differed, illustrate that AC, WAG or router belonging to the 2nd AP are differed with AC, WAG or router belonging to the first AP, that is moved between the AP of UE not in same ESS, therefore, UE needs to send the instruction message for carrying the 2nd ESSID to first base station, for belonging to first base station and the 2nd AP Wifi AC, WAG or wifi routers set up communication link with shunting associate.

In addition, alternatively, when UE is moved in same ESS, when the first AP signal quality or load reach the BSSID for the 2nd AP that pre-determined threshold and UE are detected, the 2nd AP BSSID can also be reported to first base station, to cause first base station to carry out flow control, for example：First base station judges because AP switching needs the break period and reduces the portfolio shunted to wifi network.

It should be noted that WLAN networking modes include BSS, ESS and stand-alone service collection (Independent BSS;Referred to as： IBSS) .BSSID represents a BSS, the MAC addresses for being AP.BSS coverage turns into primary service area（Basic Service Area;Referred to as： BSA) .Multiple AP that ESSID represents in the range of an ESS, ESS have identical ESSID, to support STA to roam, and handoff procedure turns into roaming between difference BSS in same ESS.Wifi terminals typically turn into STA, for supporting the terminal of Cellular Networks and wifi to may be collectively referred to as UE.Wherein, wifi routers, wifi AC and WAG belong to ESS.

Further, in yet another embodiment of the present invention, on the basis of each above-mentioned method illustrated embodiment, this method can also include：

The UE receives the handover request that first base station is sent, and the handover request includes：The corresponding RRC connections configuration information in second base station；Wherein, the corresponding RRC connections configuration information in second base station is that the first base station interacts the information obtained, the corresponding wifi shunting configuration informations in second base station and switchover policy with second base station；

The UE switches over processing according to the corresponding RRC connections configuration information in second base station；The UE shunts configuration information according to the corresponding wifi in second base station, is communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

In the present embodiment, framework is shunted for the wifi that eNB is shunted, has coincidence with the overlay area of same ESS or BSS coverages and different eNB（Overlap), and UE is switched to exemplified by the second base station from first base station, the UE is received before the handover request that first base station is sent, UE sends the corresponding measurement reports of UE according to measurement configuration to first base station, the corresponding measurement reports of the UE include the information such as first base station and the measurement report with the adjacent base station of the first base station, and wifi measurement reports.In addition, the corresponding measurement reports of the UE also include：Wifi connection state informations current UE, for example：UE whether there is wifi connections, the BSSID of the current wifi AP associated by UE, the information such as affiliated ESS ESSID. When first base station judges to need UE to be switched to the second base station, handover request message is sent to the second base station, the handoff request message is included：UE is in wifi shuntings configuration, the current wifi connection status of UE and switchover policy of first base station etc..Meanwhile, first base station can configure to indicate the second base station and the first AP progress wifi shuntings in above-mentioned wifi shunting configurations or carry out wifi shunting configurations with other AP.

Second base station performs call access control, switching response message is sent to first base station, it includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, simultaneously, second base station can be set up in the AP that first base station carries out wifi shuntings with UE and associate and communication link, after when base station switches, the second base station can proceed wifi shuntings with the first AP, or carry out wifi shuntings with other AP.If in addition, it should also be noted that, the business datum that the first AP is not successfully transmitted and received with UE can be transmitted to the second base station by first base station, being transmitted to the 2nd AP by the second base station, or be directly forwarded to the 2nd AP.

In the present embodiment, it should be noted that, framework is shunted for the wifi that PGW is shunted, base station indicates that UE switches between base station according to LTE mobility management mechanism respectively and carries out AP switchings according to the roaming mechanism of WLAN protocol, and both mobility are separate.

Specifically, when base station switches, first base station is not interacted with the second base station, that is UE performs corresponding processing according to the corresponding wif shuntings configuration message of first base station and switchover policy, UE is after the second base station is reached, the wifi information that the second base station is currently associated can be reported, the information can not also be reported.In addition, UE can notify PGW by wifi AC, WAG or wifi router when ESS switches.When UE switches AP in same ESS, it may not be necessary to notify PGW.

Further, in another embodiment of the present invention, above-mentioned embodiment illustrated in fig. 3 and on the basis of, this method can also include：

The UE sends RRC connections when judging to need to switch back into LTE or need LTE to be shunted, to the first base station and sets up request；

The present embodiment is that first base station is in RRC connection status in UE by taking the wifi shunting frameworks that PGW is shunted as an example（When RRC_CONNECTED) for UE configuration wifi shuntings, indicate that UE enters RRC idle（RRC_IDLE) business after state in wifi can proceed.

In addition, UE has been completed in LTE business, or first base station load is higher etc. that factor is needed UE LTE business migration to wifi, first base station triggering RRC Connection Releases（RRC Connection Release) process make UE LTE enter RRC idle conditions.Shellfish!J UE carry out AP switchings in RRC idle conditions according to the roaming mechanism of WLAN protocol, for example：Perform FT handoff procedures.In addition, with UE movement, the 2nd AP loads are larger or signal quality is poor or is covered without wifi, and UE needs to switch back into LTE or needs LTE to be shunted, then RRC connections being initiated to first base station and setting up request, request is set up in the RRC connections to be included：Cause value, the cause value is that wifi shuntings request and current wifi shunt connection status.Alternatively, the RRC connections are set up request and also included：Measurement report, the measurement report includes：The AP lists recommended and its metrical information, for example：The information such as RSSI, load.

Request is set up in first base station response UE RRC connections, and sending RRC connections to UE sets up message, and message is set up in the RRC connections to be included：The corresponding wifi shunting configuration informations of first base station and switchover policy, UE connections, which are set up, to be completed.UE enters RRC_CONNECTED states, and the corresponding wifi of first base station set up according to the RRC connections being currently received in message shunts configuration information and switchover policy carries out wifi shuntings and mobility management process.

Further, in yet another embodiment of the present invention, above-mentioned embodiment illustrated in fig. 4 and on the basis of, this method can also include：

The UE returns to wifi shunting configure-reject message to the first base station, and wifi shunting configure-reject message includes cause value；

Wherein, the cause value is following any：The corresponding wifi shuntings configuration information of the first base station is the wifi shunting configuration informations that the UE does not accept the interview transmitted by the eNB of public land mobile network, the UE has accessed or prepared other AP of access in addition to the AP lists in the corresponding wifi shuntings configuration information of the first base station, the QoS/QoE of the ongoing wifi shuntings unloadings of the UE but the current service in the corresponding wifi shuntings configuration information of the first base station, which is less than predetermined threshold value and identified in the corresponding wifi shuntings configuration information of the first base station, adds new shunting service identification, the UE is differed from the switchover policy in the ANDSF switchover policy obtained or the switchover policy locally prestored wifi shuntings configuration information corresponding with the first base station, the UE is in urgent call state, the UE receives MBMS, terminated with the application layer identification current business of the UE within the scheduled time.

Fig. 5 is the flow chart of a still further embodiment of switching handling method of the present invention, as shown in figure 5, this method includes：

Step 301, first base station send wifi shuntings to wifi controller or AP and asked, and receive The wifi shunting responses that the wifi controller or AP are returned, are associated with setting up communication link with the wifi controller or AP and shunting.

Step 302, first base station are shunted according to the wifi and responded, the corresponding switchover policy of the first base station and wifi shunting configuration informations are sent to UE, so that the UE shunts configuration information according to the corresponding wifi of the first base station, communicated with the first AP found by WLAN protocol, and when the UE is moved, the UE is according to the corresponding switchover policy of the first base station, obtain the 2nd AP, go to associate with the first AP, communicated with the 2nd AP, to realize AP switching.

In the present embodiment, first base station is to wifi controller, for example：Wifi AC, WAG or wifi router send wifi shunting request messages, and wifi shunting request messages can include：The MAC Address of the first base station, GPRS transmission agreement（GPRS Tunnel Protocol;Referred to as：GTP) end node identification（Terminal Endpoint Identifier;Referred to as：TEID), the radio bearer identification of required shunting（Radio Bearer ID;Referred to as：RB ID), the service quality of the radio bearer of required shunting（Quality of Service;Referred to as：QoS) information, the corresponding ESSID of wifi AC, WAG or wifi routers.

In the present embodiment, first base station sends the corresponding wifi of the first base station to UE and shunts configuration information, alternatively, and wifi shunting configuration informations include：The corresponding ESSID of wifi AC, WAG or wifi routers (i.e. the first ESSID), shunts RB ID the AC ID, QoS corresponding with its of business Information.

In addition, UE can perform the method shown in each above-mentioned embodiment, its realization principle is similar, and here is omitted.

In the present embodiment, first base station sends wifi shuntings to wifi controller or AP and asked, and receive the wifi shunting responses that wifi controller or AP are returned, communication link is set up with wifi controller or AP and shunting is associated, in addition, first base station is shunted according to the wifi and responded, the corresponding wifi shunting configuration informations of first base station and switchover policy are sent to UE, so that UE shunts configuration information according to the corresponding wifi of first base station, communicated with the first AP found by WLAN protocol, and when UE is moved, according to the corresponding switchover policy of first base station, carry out AP hand-off process, because switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol, only need to realize AP switching in UE moving process according to switchover policy, therefore, efficiently solving UE in the prior art must indicate to carry out AP switchings and cause AP and eNB according to eNB, Signalling exchange is more between UE, so as to there are problems that larger handover delay and signaling consumption, so as to be effectively improved performance of handoffs.

Fig. 6 is the flow chart of the further embodiment of switching handling method of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 5, as shown in fig. 6, after step 302, this method can also include：

Step 303, first base station receive the instruction message for carrying the 2nd ESSID of UE transmissions, and the instruction message is the instruction message that the UE is sent when the first ESSID in detecting corresponding 2nd ESSID of the 2nd AP obtained according to the corresponding switchover policy of the first base station wifi shuntings configuration informations corresponding with the first base station is differed to the first base station.

Step 304, first base station wifi controller corresponding with the 2nd ESSID set up communication link and shunting association.

Further, in another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 5, after step 302, this method can also include：

The first base station receives the BSSID that the UE is reported, and the BSSID is the corresponding BSSID of the 2nd AP that the UE is reported after the 2nd AP communications with being obtained according to the corresponding switchover policy of the first base station;

Further, in yet another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 5, this method can also include：

The first base station receives the wifi idle state informations that the UE is reported, and according to the idle shapes of the wifi State information, stops setting up the wifi controller transmission wifi streamed datas that communication link and shunting are associated to the first base station.

Alternatively, this method can further include：

The first base station sends handover request message to the second base station, and the handoff request message is included：The corresponding wifi shuntings configuration information of the first base station, to indicate that second base station shunts configuration information according to the corresponding wifi of the first base station, wifi shunting configuration processing is carried out with the first AP or other AP；Wherein, other AP refer to other AP in addition to the first AP set up with the first base station under the wifi controller that communication link and shunting are associated;

The first base station receives the switching response message of second base station return, and the switching response message includes the corresponding RRC connections configuration information in second base station；

The first base station sends handover request and gives the UE, the handover request includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, so that the UE is according to the corresponding RRC connections configuration information in second base station, switch over processing, according to the corresponding wifi shuntings configuration information in second base station, communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

Fig. 7 is the structural representation of one embodiment of switch processing device of the present invention, and such as Fig. 7 is somebody's turn to do, and the device includes：Transceiver module 11, communication module 12 and hand-off process module 13;Wherein, transceiver module 11 is used for the corresponding switchover policy of the first base station for receiving first base station transmission and wifi shunting configuration informations；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol；Communication module 12 is used to shunt configuration information according to the corresponding wifi of the first base station, is communicated with the first AP found by WLAN protocol；Hand-off process module 13 is used for when the device is moved, according to the corresponding switchover policy of the first base station, obtains the 2nd AP, goes to associate with the first AP, communicated with the 2nd AP, to realize AP switching.

The device of the present embodiment is specifically as follows UE, it is possible to perform the technical scheme of embodiment of the method shown in Fig. 3, and its realization principle is similar, and here is omitted.

In the present embodiment, UE receives the corresponding switchover policy of the first base station and the wifi configured separate information that first base station is sent, in addition, UE shunts configuration information according to the corresponding wifi of first base station, communicated with the first AP found by WLAN protocol, when UE is moved, UE is according to the corresponding switchover policy of first base station, obtain the 2nd AP, go to associate with the first AP, and communicated with the 2nd AP, to realize that AP switches, because switchover policy is used to indicate roaming mechanisms of the UE according to WLAN protocol Carry out AP switchings, only need to realize AP switching in UE moving process according to switchover policy, therefore, efficiently solving UE in the prior art must indicate to carry out AP switchings and cause Signalling exchange between AP and eNB, UE more according to eNB, so as to there are problems that larger handover delay and signaling consumption, so as to be effectively improved performance of handoffs.

Fig. 8 is the structural representation of another embodiment of switch processing device of the present invention, on the basis of above-mentioned Fig. 7 illustrated embodiments, as shown in Figure 8, the transceiver module 11 is additionally operable to return to wifi shunting configure-reject message to the first base station, and wifi shunting configure-reject message includes cause value；

Preferably, when the corresponding wifi shuntings configuration information of the first base station includes an ESSID, the device also includes：Detection module 14 is used to detect whether corresponding 2nd ESSID of the 2nd AP are identical with the first ESSID；The transceiver module 11 is used for when the detection module 14 detects the 2nd ESSID and the first ESSID and differed, the instruction message for carrying the 2nd ESSID is sent to the first base station, so that first base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

Preferably, the communication module 12 is additionally operable to be communicated with the 2nd AP；Then the transceiver module 11 is used for the BSSID that the 2nd AP is reported to the first base station, so that the first base station is according to the BSSID, sets up communication link with the 2nd AP and shunting is associated

Further, in yet another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 7, the transceiver module 11 is additionally operable in the device in moving process, if according to the switchover policy, the 2nd AP is not obtained, and go to associate with the first AP, then wifi idle state informations are reported to the first base station, so that the first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station. Alternatively, the transceiver module 11 is additionally operable to receive the handover request that first base station is sent, and the handover request includes：The corresponding RRC connections configuration information in second base station；Wherein, the corresponding RRC connections configuration information in second base station is that the first base station interacts the information obtained, the corresponding wifi shunting configuration informations in second base station and switchover policy with second base station；The hand-off process module 13 is additionally operable to, according to the corresponding RRC connections configuration information in second base station, switch over processing；The communication module 12 is additionally operable to, according to the corresponding wifi shuntings configuration information in second base station, be communicated with the AP found by the WLAN protocol；The hand-off process module 13 is additionally operable in the device moving process, and AP hand-off process is carried out according to the corresponding switchover policy in second base station.

Further, in another embodiment of the present invention, on the basis of embodiment described in above-mentioned Fig. 7, the transceiver module 11 is additionally operable to when judging to need to switch back into LTE or need LTE to be shunted, and sending RRC connections to the first base station sets up request；The transceiver module 11 is additionally operable to the reception first base station and sets up message according to the returned RRC connections of RRC connections foundation request, and message is set up in the RRC connections includes the corresponding wifi shunting configuration informations of the first base station and switchover policy.

Fig. 9 is the structural representation of the further embodiment of switch processing device of the present invention, as shown in figure 9, the device includes：Sending module 21 and receiving module 22;Wherein, sending module 21 is used to send wifi shunting requests to wifi controller or AP；Receiving module 22 is used to receive the wifi shunting responses that the wifi controller or AP are returned, and is associated with setting up communication link with the wifi controller or AP and shunting；The sending module 21 is additionally operable to be shunted according to the wifi and responded, the corresponding switchover policy of the first base station and wifi shunting configuration informations are sent to UE, so that the UE shunts configuration information according to the corresponding wifi of the first base station, communicated with the first AP found by WLAN protocol, and when the UE is moved, the UE is according to the corresponding switchover policy of the first base station, obtain the 2nd AP, go to associate with the first AP, communicated with the 2nd AP, to realize AP switching；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

The device of the present embodiment can be specially first base station, it is possible to which the method for performing embodiment illustrated in fig. 5, its realization principle is similar, and here is omitted.

In the present embodiment, first base station sends wifi shuntings to wifi controller or AP and asked, and receive the wifi shunting responses that wifi controller or AP are returned, communication link is set up with wifi controller or AP and shunting is associated, in addition, first base station is shunted according to the wifi and responded, the corresponding wifi shunting configuration informations of first base station and switchover policy are sent to UE, so that UE shunts configuration information according to the corresponding wifi of first base station, communicated with the first AP found by WLAN protocol, and in UE When mobile, according to the corresponding switchover policy of first base station, carry out AP hand-off process, because switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol, only need to realize AP switching in UE moving process according to switchover policy, therefore, efficiently solving UE in the prior art must indicate to carry out AP switchings and cause Signalling exchange between AP and eNB, UE more according to eNB, so as to there are problems that larger handover delay and signaling consumption, so as to be effectively improved performance of handoffs.

Figure 10 is the structural representation of another embodiment of switch processing device of the present invention, on the basis of above-mentioned Fig. 9 illustrated embodiments, as shown in Figure 10, the receiving module 22 is additionally operable to receive the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is the instruction message that the UE is sent when the first ESSID in detecting corresponding 2nd ESSID of the 2nd AP obtained according to the corresponding switchover policy of the device wifi shuntings configuration informations corresponding with the device is differed to the device.

Then the device also includes：Set up module 23 and set up communication link and shunting association for wifi controller corresponding with the 2nd ESSID.

Further, in yet another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 9, the receiving module 22 is additionally operable to receive the BSSID that report of the UE, the corresponding BSSID of the 2nd AP that the BSSID is the UE to be reported after the 2nd AP communications with being obtained according to the corresponding switchover policy of the first base station.Then the device also includes：Module is set up, is associated for setting up communication link with the 2nd AP and shunting.

Further, in another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 9, the receiving module 22 is additionally operable to receive the wifi idle state informations that the UE is reported, and according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

Alternatively, the sending module 21 is additionally operable to send handover request message to the second base station, and the handoff request message is included：The corresponding wifi shuntings configuration information of the device, to indicate that second base station shunts configuration information according to the corresponding wifi of the device, wifi shunting configuration processing is carried out with the first AP or other AP；Wherein, other AP refer to other AP in addition to the first AP set up with the device under the wifi controller that communication link and shunting are associated;The receiving module 22 is additionally operable to receive the switching response message that second base station is returned, and the switching response message includes the corresponding RRC connections configuration information in second base station；The sending module 21 is additionally operable to transmission handover request and gives the UE, the handover request includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, so that the UE is according to the corresponding RRC connections configuration information in second base station, processing is switched over, according to second base station pair The wifi shunting configuration informations answered, are communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

Present invention also offers a kind of user equipment, including：Memory, for store instruction；Processor, is coupled with the memory, and the processor is configured as performing the instruction being stored in the memory, and the processor is configurable for performing switching handling method as described in fig 3.Its realization principle is similar, and here is omitted.

Present invention also offers a kind of base station, including：Memory, for store instruction；Processor, is coupled with the memory, and the processor is configured as performing the instruction being stored in the memory, and the processor is configurable for performing the switching handling method as described in Fig. 5 or Fig. 6.Its realization principle is similar, and here is omitted.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can be completed by the related hardware of programmed instruction.Foregoing program can be stored in a computer read/write memory medium.The program upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.

Claims

Claims

1st, a kind of switching handling method, it is characterised in that including：

UE receives the corresponding switchover policy of the first base station and wifi shunting configuration informations that first base station is sent；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol；

The UE shunts configuration information according to the corresponding wifi of the first base station, is communicated with the first AP found by WLAN protocol；

When the UE is moved, the UE obtains the 2nd AP, goes to associate with the first AP, communicated with the 2nd AP, to realize AP switching according to the corresponding switchover policy of the first base station.

2nd, according to the method described in claim 1, it is characterised in that the corresponding wifi shuntings configuration information of the first base station includes the first ESSID, then methods described also includes：

The UE is when detecting corresponding 2nd ESSID of the 2nd AP and the first ESSID and differing, the instruction message for carrying the 2nd ESSID is sent to the first base station, so that first base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

3rd, according to the method described in claim 1, it is characterised in that also include：

The UE is communicated with the 2nd AP, and the BSSID of the 2nd AP is reported to the first base station, so that the first base station is according to the BSSID, sets up communication link with the 2nd AP and shunting is associated.

4th, according to the method described in claim 1, it is characterised in that also include：

The UE is in moving process, if according to the switchover policy, the 2nd AP is not obtained, and go to associate with the first AP, then wifi idle state informations are reported to the first base station, so that the first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

5th, according to any described method of Claims 1-4, it is characterised in that also include：The UE receives the handover request that first base station is sent, and the handover request includes：The corresponding RRC connections configuration information in second base station；Wherein, the corresponding RRC connections configuration information in second base station is the information that the first base station interact acquisition with second base station, and the corresponding wifi in second base station shunts configuration information and switchover policy；

The UE switches over processing according to the corresponding RRC connections configuration information in second base station； The UE shunts configuration information according to the corresponding wifi in second base station, is communicated with the AP by the WLAN protocol discoverys, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

6th, according to the method described in claim 1, it is characterised in that also include：

The UE sends RRC connections when judging to need to switch back into LTE or need LTE to be shunted, to the first base station and sets up request；

The UE receives the first base station and sets up message according to the returned RRC connections of RRC connections foundation request, and message is set up in the RRC connections includes the corresponding wifi shunting configuration informations of the first base station and switchover policy.

7th, according to the method described in claim 1, it is characterised in that also include：

The UE returns to wifi shunting configure-reject message to the first base station, and the wifi shunting configure-rejects message includes cause value；

Wherein, the cause value is following any：The corresponding wifi shuntings configuration information of the first base station is the wifi shunting configuration informations that the UE does not accept the interview transmitted by the eNB of public land mobile network, the UE has accessed or prepared other AP of access in addition to the AP lists in the corresponding wifi shuntings configuration information of the first base station, the QoS/QoE of the ongoing wifi shuntings unloadings of UE but the current service in the corresponding wifi shuntings configuration information of the first base station, which is less than predetermined threshold value and identified in the corresponding wifi shuntings configuration information of the first base station, adds new shunting service identification, the UE is differed from the switchover policy in the ANDSF switchover policy obtained or the switchover policy locally prestored wifi shuntings configuration information corresponding with the first base station, the UE is in urgent call state, the UE receives MBMS, terminated with the application layer identification current business of the UE within the scheduled time.

8th, a kind of switching handling method, it is characterised in that including：

First base station sends wifi to wifi controller or AP and shunts request, and receives the wifi shunting responses that the wifi controller or AP are returned, and is associated with setting up communication link with the wifi controller or AP and shunting；

The first base station is shunted according to the wifi and responded, the corresponding switchover policy of the first base station and wifi shunting configuration informations are sent to UE, so that the UE shunts configuration information according to the corresponding wifi of the first base station, communicated with the first AP found by WLAN protocol, and when the UE is moved, the UE obtains the 2nd AP according to the corresponding switchover policy of the first base station, and described First AP goes association, is communicated with the 2nd AP, to realize AP switching；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

9th, method according to claim 8, it is characterised in that also include：

The first base station receives the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is the instruction message that the UE is sent when the first ESSID in detecting corresponding 2nd ESSID of the 2nd AP obtained according to the corresponding switchover policy of the first base station wifi shuntings configuration informations corresponding with the first base station is differed to the first base station；

First base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

10th, method according to claim 8, it is characterised in that also include：

The first base station receives the BSSID that the UE is reported, the corresponding BSSID of the 2nd AP that the BSSID is the UE to be reported after the 2nd AP communications with being obtained according to the corresponding switchover policy of the first base station;

The first base station sets up communication link with the 2nd AP and shunting is associated.

11st, method according to claim 8, it is characterised in that also include：

The first base station receives the wifi idle state informations that the UE is reported, and according to the wifi idle state informations, stops setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

12nd, according to any described method of claim 8 to 11, it is characterised in that also include：The first base station sends handover request message to the second base station, and the handoff request message is included：The corresponding wifi shuntings configuration information of the first base station, to indicate that second base station shunts configuration information according to the corresponding wifi of the first base station, wifi shunting configuration processing is carried out with the first AP or other AP；Wherein, other described AP refer to other AP in addition to the first AP set up with the first base station under the wifi controller that communication link and shunting are associated;

The first base station receives the switching response message that second base station is returned, and the switching response message includes the corresponding RRC connections configuration information in second base station；

The first base station sends handover request to the UE, the handover request includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, so that the UE is according to the corresponding RRC connections configuration information in second base station, processing is switched over, according to second base station pair The wifi shunting configuration informations answered, are communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

13rd, a kind of switch processing device, it is characterised in that including：

Transceiver module, the corresponding switchover policy of the first base station and wifi shunting configuration informations for receiving first base station transmission；Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol；

Communication module, for shunting configuration information according to the corresponding wifi of the first base station, is communicated with the first AP found by WLAN protocol；

Hand-off process module, for when described device is moved, according to the corresponding switchover policy of the first base station, obtains the 2nd AP, goes to associate with the first AP, communicated with the 2nd AP, to realize AP switching.

14th, the device according to claim 13, it is characterised in that the corresponding wifi shuntings configuration information of the first base station includes the first ESSID, then described device also includes：

Detection module, for detecting whether corresponding 2nd ESSID of the 2nd AP are identical with the first ESSID；

The transceiver module, for when the detection module detects the 2nd ESSID and the first ESSID and differed, the instruction message for carrying the 2nd ESSID is sent to the first base station, so that first base station wifi controller corresponding with the 2nd ESSID sets up communication link and shunting association.

15th, device according to claim 13, it is characterised in that the communication module is additionally operable to be communicated with the 2nd AP；

Then the transceiver module, the BSSID for reporting the 2nd AP to the first base station, so that the first base station is according to the BSSID, sets up communication link with the 2nd AP and shunting are associated.

16th, device according to claim 13, it is characterized in that, the transceiver module is additionally operable in described device in moving process, if according to the switchover policy, the 2nd AP is not obtained, and go to associate with the first AP, then wifi idle state informations are reported to the first base station, so that the first base station is according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

17th, according to any described device of claim 13 to 16, it is characterised in that the transceiver module is additionally operable to receive the handover request that first base station is sent, and the handover request includes：Second base station Corresponding RRC connections configuration information；Wherein, the corresponding RRC connections configuration information in second base station is the information that the first base station interact acquisition with second base station, and the corresponding wifi in second base station shunts configuration information and switchover policy；

The hand-off process module is additionally operable to, according to the corresponding RRC connections configuration information in second base station, switch over processing；

The communication module is additionally operable to, according to the corresponding wifi shuntings configuration information in second base station, be communicated with the AP found by the WLAN protocol；

The hand-off process module is additionally operable in described device moving process, and AP hand-off process is carried out according to the corresponding switchover policy in second base station.

18th, device according to claim 13, it is characterised in that the transceiver module is additionally operable to when judging to need to switch back into LTE or need LTE to be shunted, sends RRC connections to the first base station and sets up request；

The transceiver module, which is additionally operable to receive the first base station, to be set up the returned RRC connections of request according to the RRC connections and sets up message, and the RRC connections, which set up message and include the corresponding wifi of the first base station, shunts configuration information and switchover policy.

19th, device according to claim 13, it is characterised in that the transceiver module is additionally operable to return to wifi shunting configure-reject message to the first base station, and the wifi shunting configure-rejects message includes cause value；

Wherein, the cause value is following any：The corresponding wifi shuntings configuration information of the first base station is the wifi shunting configuration informations that the UE does not accept the interview transmitted by the eNB of public land mobile network, the UE has accessed or prepared other AP of access in addition to the AP lists in the corresponding wifi shuntings configuration information of the first base station, the QoS/QoE of the ongoing wifi shuntings unloadings of UE but the current service in the corresponding wifi shuntings configuration information of the first base station, which is less than predetermined threshold value and identified in the corresponding wifi shuntings configuration information of the first base station, adds new shunting service identification, the UE is differed from the switchover policy in the ANDSF switchover policy obtained or the switchover policy locally prestored wifi shuntings configuration information corresponding with the first base station, the UE is in urgent call state, the UE receives MBMS, terminated with the application layer identification current business of the UE within the scheduled time.

20th, a kind of switch processing device, it is characterised in that including：

Sending module, is asked for sending wifi shuntings to wifi controller or AP； Receiving module, shunts response for receiving the wifi that the wifi controller or AP are returned, is associated with setting up communication link with the wifi controller or AP and shunting；

The sending module is additionally operable to be shunted according to the wifi and responded, the corresponding switchover policy of the first base station and wifi shunting configuration informations are sent to UE, so that the UE shunts configuration information according to the corresponding wifi of the first base station, communicated with the first AP found by WLAN protocol, and when the UE is moved, the UE is according to the corresponding switchover policy of the first base station, obtain the 2nd AP, go to associate with the first AP, communicated with the 2nd AP, to realize AP switching；

Wherein, the switchover policy is used to indicate that the UE carries out AP switchings according to the roaming mechanism of WLAN protocol.

21st, device according to claim 20, it is characterized in that, the receiving module is additionally operable to receive the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is the instruction message that the UE is sent when the first ESSID in detecting corresponding 2nd ESSID of the 2nd AP obtained according to the corresponding switchover policy of described device wifi shuntings configuration informations corresponding with described device is differed to described device；

Then described device also includes：

Module is set up, communication link and shunting association are set up for wifi controller corresponding with the 2nd ESSID.

22nd, device according to claim 20, it is characterized in that, the receiving module is additionally operable to receive the BSSID that the UE is reported, the corresponding BSSID of the 2nd AP that the BSSID is the UE to be reported after the 2nd AP communications with being obtained according to the corresponding switchover policy of the first base station;

Then described device also includes：

Module is set up, is associated for setting up communication link with the 2nd AP and shunting.

23rd, device according to claim 20, it is characterized in that, the receiving module is additionally operable to receive the wifi idle state informations that the UE is reported, and according to the wifi idle state informations, stop setting up wifi controller or the AP transmission wifi streamed datas that communication link and shunting are associated to the first base station.

24th, according to any described device of claim 20 to 23, it is characterised in that the sending module is additionally operable to send handover request message to the second base station, and the handoff request message is included：The corresponding wifi shuntings configuration information of described device, to indicate that second base station shunts configuration information according to the corresponding wifi of described device, wifi shunting configuration processing is carried out with the first AP or other AP；Wherein, institute State other AP in addition to the first AP that other AP refer to set up with described device under the wifi controller that communication link and shunting are associated;

The receiving module is additionally operable to receive the switching response message that second base station is returned, and the switching response message includes the corresponding RRC connections configuration information in second base station；

The sending module is additionally operable to send handover request to the UE, the handover request includes the corresponding RRC connections configuration information in the second base station, wifi shunting configuration informations and switchover policy, so that the UE is according to the corresponding RRC connections configuration information in second base station, switch over processing, according to the corresponding wifi shuntings configuration information in second base station, communicated with the AP found by the WLAN protocol, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

25th, a kind of user equipment, it is characterised in that including：Memory, for store instruction；Processor, is coupled with the memory, and the processor is configured as performing the instruction being stored in the memory, and the processor is configurable for performing the switching handling method as described in claim 1 to 7 is any.

26th, a kind of base station, it is characterised in that including：Memory, for store instruction；

Processor, is coupled with the memory, and the processor is configured as performing the instruction being stored in the memory, and the processor is configurable for performing the switching handling method as described in claim 8 to 12 is any.

27th, a kind of switching processing system, it is characterised in that including：UE and base station, wherein, the UE is the switch processing device as described in claim 13 to 19 is any；The base station is the switch processing device as described in claim 20 to 24 is any.