CN104995955B

CN104995955B - Switching handling method and system and device

Info

Publication number: CN104995955B
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: 2019-02-26
Anticipated expiration: 2033-11-26
Also published as: CN104995955A; WO2015077923A1

Abstract

The embodiment of the present invention provides a kind of switching handling method and system and device, this method comprises: UE receives the corresponding switchover policy of the first base station that first base station is sent and wifi shunts configuration information；Wherein, which is used to indicate the UE and carries out AP switching 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 mobile, which obtains the 2nd AP, goes to be associated with the first AP, be communicated with the 2nd AP, to realize the switching of AP according to the corresponding switchover policy of the first base station.

Description

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 devices.

Background technique

In the prior art, it is being based on third generation partner program (The3rd Generation Partnership Project；Referred to as: 3GPP) Cellular Networks and wifi carry out in the scene of data distribution, mainly pass through long term evolution (Long Term Evolution；Evolved base station (evolved Node B referred to as: LTE)；Referred to as: eNB) control user equipment (User Equipment；Mobility referred to as: UE).

Specifically, the ambulant specific implementation of eNB control UE is main are as follows: and UE receives the configuration information that eNB is sent, And measured according to the configuration information, measurement result is obtained, it, should to eNB report according to the reporting schemes in the configuration information Measurement result.ENB selects corresponding wireless access node (Access Point according to measurement result；Referred to as: AP) wif points of configuration Stream.Wherein, the specific implementation that eNB selects corresponding AP configuration wif to shunt according to measurement result are as follows: eNB takes to AP transmission Request message is shunted with the wifi for shunting configuring request parameter, and receives carrying for AP return and shunts configuration response parameter Wifi shunts response message, and eNB shunts response message further according to the wifi, sends to UE and shunts configuration response parameter, so that UE carries out wifi and shunts configuration, corresponding AP is selected to access according to the shunting configuration response parameter, carries out with eNB's and wifi Communication process.

But in the scene of wifi dense deployment, UE movement will lead to AP frequent switching, and since UE must basis Therefore eNB instruction, which carries out AP switching, it is more to will lead to Signalling exchange between AP and eNB, UE, so that there are when biggish switching Prolong and signaling overheads can reduce performance of handoffs, lead to user's industry especially when the communication link time delay between eNB and AP is larger Being engaged in, terminal time is longer or packet loss is more.

Summary of the invention

The embodiment of the present invention provides a kind of switching handling method and system and device, must root to solve UE in the prior art Indicate to carry out AP switching according to eNB and cause Signalling exchange between AP and eNB, UE more, thus there are biggish handover delay and Signaling overheads problem.

The first aspect of the embodiment of the present invention provides a kind of switching handling method, comprising: UE receives first base station and sends The corresponding switchover policy of the first base station and wifi shunt configuration information；Wherein, the switchover policy is used to indicate described UE carries out AP switching according to the roaming mechanism of WLAN protocol；

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

When the UE is mobile, the UE obtains the 2nd AP according to the corresponding switchover policy of the first base station, and described First AP goes to be associated with, and is communicated with the 2nd AP, to realize the switching of AP.

In the first possible implementation of first aspect, the corresponding wifi of the first base station is shunted in configuration information Including the first ESSID, then the method also includes:

The UE is when detecting that corresponding 2nd ESSID of the 2nd AP and the first ESSID be not identical, Xiang Suoshu First base station sends the instruction message for carrying the 2nd ESSID, so that the first base station is corresponding with the 2nd ESSID Wifi controller establish communication link with shunt be associated with.

With reference to first aspect, in second of possible implementation of first aspect, further includes:

The UE is communicated with the 2nd AP, and Xiang Suoshu first base station reports the BSSID of the 2nd AP, for institute First base station is stated according to the BSSID, communication link is established with the 2nd AP and shunting is associated with.

With reference to first aspect, in the third possible implementation of first aspect, further includes:

The UE is in moving process, if not obtaining the 2nd AP according to the switchover policy, and with described first AP goes to be associated with, then reports wifi idle state information to the first base station, so that the first base station is empty according to the wifi Not busy status information stops establishing communication link and the associated wifi controller of shunting or AP transmission to the first base station Wifi streamed data.

With reference to first aspect to first aspect the third in any possible implementation, at the 4th kind of first aspect In possible implementation, further includes:

The UE receives the handover request that first base station is sent, and the handover request includes: that second base station is corresponding RRC connection configuration information；Wherein, the corresponding RRC connection configuration information in second base station is the first base station and described the The information that the interaction of two base stations obtains, the corresponding wifi in second base station shunt configuration information and switchover policy；

The UE switches over processing according to the corresponding RRC connection configuration information in second base station；

The UE shunts configuration information according to the corresponding wifi in second base station, and is found by the WLAN protocol AP is communicated, and in the UE moving process, carries out AP hand-off process according to the corresponding switchover policy in second base station.

With reference to first aspect, in the 5th kind of possible implementation of first aspect, further includes:

When judging to need to switch back into LTE or LTE is needed to be shunted, Xiang Suoshu first base station is sent the UE Request is established in RRC connection；

The UE receives the first base station requests returned RRC connection to establish message according to RRC connection foundation, It includes that the corresponding wifi of the first base station shunts configuration information and switchover policy that message is established in the RRC connection.

With reference to first aspect, in the 6th kind of possible implementation of first aspect, further includes:

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

Wherein, the cause value is following any: it is described that the corresponding wifi of the first base station, which shunts configuration information, UE do not accept the interview wifi transmitted by the eNB of public land mobile network shunt configuration information, the UE accessed or Prepare other AP of access in addition to the AP list that the corresponding wifi of the first base station is shunted in configuration information, the UE is The wifi of progress shunts unloading but the QoS/QoE of the current service in the corresponding wifi shunting configuration information of the first base station is small In preset threshold and identifies that the corresponding wifi of the first base station is shunted in configuration information and increases new shunting service identification, The switchover policy that the UE is prestored from the ANDSF switchover policy obtained or locally wifi corresponding with the first base station is shunted Switchover policy in configuration information is not identical, and the UE is in urgent call state, and the UE is receiving MBMS business and institute The application layer identification current business for stating UE terminates within the scheduled time.

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

To wifi controller, perhaps AP sends wifi shunting request and receives the wifi controller or AP first base station The wifi of return shunts response, is associated with establishing communication link with the wifi controller or AP and shunting；

The first base station is shunted according to the wifi and is responded, to UE send the corresponding switchover policy of the first base station and Wifi shunts configuration information, so that the UE shunts configuration information according to the corresponding wifi of the first base station, and passes through WLAN First AP of protocol discovery is communicated, and when the UE is mobile, the UE is according to the corresponding switching plan of the first base station Slightly, the 2nd AP is obtained, goes to be associated with the first AP, be communicated with the 2nd AP, to realize the switching of AP；

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

In the first possible implementation of second aspect, further includes:

The first base station receives the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is The UE detect corresponding 2nd ESSID of the 2nd AP that is obtained according to the corresponding switchover policy of the first base station with it is described The first ESSID in the corresponding wifi shunting configuration information of first base station disappears when not identical to the instruction that the first base station is sent Breath；

First base station wifi controller corresponding with the 2nd ESSID establishes communication link and shunts association.

In conjunction with second aspect, in second of possible implementation of second aspect, further includes:

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

The first base station is established communication link and is shunted and is associated with the 2nd AP.

In conjunction with second aspect, in the third possible implementation of second aspect, further includes:

The first base station receives the wifi idle state information that the UE is reported, and is believed according to the wifi idle state Breath stops establishing communication link and the associated wifi controller of shunting or AP transmission wifi porthole bridge to the first base station According to.

In conjunction with second aspect to second aspect the third in any possible implementation, at the 4th kind of second aspect In possible implementation, further includes:

The first base station sends switching request message to the second base station, and the handoff request message includes: described first The corresponding wifi in base station shunts configuration information, to indicate that second base station is matched according to the corresponding wifi shunting of the first base station Confidence breath carries out wifi with the first AP or other AP and shunts configuration processing；Wherein, other described AP refer to and described One base station establishes communication link and shunts other AP in addition to the first AP under associated wifi controller；

The first base station receives the switching response message that second base station returns, and the switching response message includes institute State the corresponding RRC connection configuration information in the second base station；

The first base station sends handover request to the UE, and the handover request includes that the corresponding RRC in the second base station connects Configuration information, wifi shunting configuration information and switchover policy are connect, so that the UE is according to the corresponding RRC connection in second base station Configuration information switches over processing, shunts configuration information according to the corresponding wifi in second base station, assists with by the WLAN The AP of view discovery is communicated, and in the UE moving process, carries out AP according to the corresponding switchover policy in second base station Hand-off process.

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

Transceiver module, the corresponding switchover policy of the first base station and wifi shunting for receiving first base station transmission are matched Confidence breath；Wherein, the switchover policy is used to indicate the UE and carries out AP switching according to the roaming mechanism of WLAN protocol；

Communication module is sent out for shunting configuration information according to the corresponding wifi of the first base station with by WLAN protocol The first existing AP is communicated；

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

In the first possible implementation of the third aspect, the corresponding wifi of the first base station is shunted in configuration information Including the first ESSID, then described device further include:

Whether detection module is identical for detecting corresponding 2nd ESSID and the first ESSID of the 2nd AP；

The transceiver module, for detecting the 2nd ESSID and the first ESSID not phase in the detection module Meanwhile Xiang Suoshu first base station sends and carries the instruction message of the 2nd ESSID, for the first base station and described the The corresponding wifi controller of two ESSID is established communication link and is associated with shunting.

In conjunction with the third aspect, in second of possible implementation of the third aspect, the communication module is also used to and institute The 2nd AP is stated to be communicated；

The then transceiver module, for reporting the BSSID of the 2nd AP to the first base station, for first base It stands according to the BSSID, establishes communication link with the 2nd AP and shunting is associated with.

In conjunction with the third aspect, in the third possible implementation of the third aspect, the transceiver module is also used in institute Device is stated in moving process, if not obtaining the 2nd AP, and go to close with the first AP according to the switchover policy Connection, then report wifi idle state information to the first base station, so that the first base station is according to the wifi idle state Information stops establishing communication link and the associated wifi controller of shunting or AP transmission wifi shunting to the first base station Data.

In conjunction with the third aspect to the third aspect the third in any possible implementation, at the 4th kind of the third aspect In possible implementation, the transceiver module is also used to receive the handover request of first base station transmission, and the handover request includes: The corresponding RRC connection configuration information in second base station；Wherein, the corresponding RRC connection configuration information in second base station is institute It states first base station and interacts the information obtained with second base station, the corresponding wifi in second base station shunts configuration information and cuts Change strategy；

The hand-off process module is also used to be switched over according to the corresponding RRC connection configuration information in second base station Processing；

The communication module is also used to shunt configuration information according to the corresponding wifi in second base station, described with passing through The AP of WLAN protocol discovery is communicated；

The hand-off process module is also used in described device moving process, according to the corresponding switching in second base station Strategy carries out AP hand-off process.

In conjunction with the third aspect, in the 5th kind of possible implementation of the third aspect, the transceiver module, which is also used to work as, to be sentenced It is disconnected go out when needing to switch back into LTE or LTE being needed to be shunted, Xiang Suoshu first base station, which sends RRC connection, to be established and requests；

The transceiver module is also used to receive the first base station and establishes the returned RRC of request according to the RRC connection Message is established in connection, and it includes that the corresponding wifi of the first base station shunts configuration information and switching that message is established in the RRC connection Strategy.

In conjunction with the third aspect, in the 6th kind of possible implementation of the third aspect, the transceiver module is also used to institute It states first base station and returns to wifi shunting configure-reject message, it includes cause value that the wifi, which shunts configure-reject message,；

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

Sending module shunts request for sending wifi to wifi controller or AP；

Receiving module shunts response for receiving the wifi that the wifi controller or AP are returned, with the wifi Controller or AP establish communication link and are associated with shunting；

The sending module is also used to be shunted according to the wifi and respond, and sends the corresponding switching of the first base station to UE Strategy and wifi shunt configuration information, and logical so that the UE shunts configuration information according to the corresponding wifi of the first base station The first AP for crossing WLAN protocol discovery is communicated, and when the UE is mobile, the UE is corresponding according to the first base station Switchover policy obtains the 2nd AP, goes to be associated with the first AP, be communicated with the 2nd AP, to realize the switching of AP；

In the first possible implementation of fourth aspect, the receiving module is also used to receive taking for the UE transmission Instruction message with the 2nd ESSID, the instruction message are that the UE is being detected according to the corresponding switching plan of described device Corresponding 2nd ESSID of the 2nd AP slightly obtained wifi corresponding with described device shunts the first ESSID in configuration information not The instruction message sent when identical to described device；

Then described device further include:

Module is established, establish communication link for wifi controller corresponding with the 2nd ESSID and shunts association.

In conjunction with fourth aspect, in second of possible implementation of fourth aspect, the receiving module is also used to receive The BSSID that the UE is reported, the BSSID be the UE with obtained according to the corresponding switchover policy of the first base station the The corresponding BSSID of the 2nd AP reported after two AP communication；

Then described device further include:

Module is established, is associated with for establishing communication link with the 2nd AP and shunting.

In conjunction with fourth aspect, in the third possible implementation of fourth aspect, the receiving module is also used to receive The wifi idle state information that the UE is reported, and according to the wifi idle state information, stop to the first base station It establishes communication link and shunts associated wifi controller or AP transmission wifi streamed data.

In conjunction with fourth aspect to fourth aspect the third in any possible implementation, the 4th of fourth aspect the In the possible implementation of kind, the sending module is also used to send switching request message to the second base station, and the switching request disappears Breath includes: that the corresponding wifi of described device shunts configuration information, to indicate that second base station is corresponding according to described device Wifi shunts configuration information, carries out wifi with the first AP or other AP and shunts configuration processing；Wherein, other described AP are Refer to and establishes communication link with described device and shunt other AP in addition to the first AP under associated wifi controller；

The receiving module is also used to receive the switching response message that second base station returns, the switching response message Including the corresponding RRC connection configuration information in second base station；

The sending module is also used to send handover request to the UE, and the handover request includes that the second base station is corresponding RRC connection configuration information, wifi shunt configuration information and switchover policy, so that the UE is corresponding according to second base station RRC connection configuration information, switches over processing, shunts configuration information according to the corresponding wifi in second base station, and passes through institute The AP for stating WLAN protocol discovery is communicated, and in the UE moving process, according to the corresponding switching plan in second base station Slightly carry out AP hand-off process.

5th aspect of the embodiment of the present invention provides a kind of user equipment, comprising: memory, for storing instruction；Place Device is managed, is coupled with the memory, the processor is configured to executing the instruction of storage in the memory, and the place Reason device is configurable for executing 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, comprising: memory, for storing instruction；Processor, It is coupled with the memory, the processor is configured to executing the instruction of storage in the memory, and the processor It is configurable for executing 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, comprising: UE and base station, wherein described UE is the switch processing device as described in the above-mentioned third aspect；The base station is the hand-off process dress as described in above-mentioned fourth aspect It sets.

Switching handling method of the embodiment of the present invention and system and device, UE receive the first base station pair that first base station is sent The switchover policy and wifi configured separate information answered are and logical in addition, UE shunts configuration information according to the corresponding wifi of first base station The first AP for crossing WLAN protocol discovery is communicated, and when UE is mobile, UE obtains the according to the corresponding switchover policy of first base station Two AP go to be associated with the first AP, and are communicated with the 2nd AP, to realize that AP switches, since switchover policy is used to indicate the UE AP switching is carried out according to the roaming mechanism of WLAN protocol, i.e., only needs to realize cutting for AP according to switchover policy in UE moving process It changes, therefore, efficiently solving UE in the prior art must indicate to carry out AP switching and cause between AP and eNB, UE according to eNB Signalling exchange is more, to there are problems that biggish handover delay and signaling overheads, to effectively improve performance of handoffs.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is that the wifi that the eNB that switching handling method of the present invention is based on is shunted shunts configuration diagram；

Fig. 2 is grouped data network gateway (the PDN Gateway that switching handling method of the present invention is based on；Referred to as: PGW) The wifi of shunting shunts configuration diagram；

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 schematic diagram of one embodiment of switch processing device of the present invention；

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

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

Figure 10 is the structural schematic diagram of another embodiment of switch processing device of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

Fig. 1 is that the wifi that the eNB that switching handling method of the present invention is based on is shunted shunts configuration diagram, and Fig. 2 is this hair Grouped data network gateway (the PDN Gateway that bright switching handling method is based on；Referred to as: PGW) wifi shunted shunts frame Structure schematic diagram, as depicted in figs. 1 and 2, when wifi shunts and converge packet-based core networks (the Evolved Packet occurred in evolution Core；When PGW in referred to as: EPC), anchor point that PGW is shunted as wifi.When wifi shunts and converge the nothing occurred in 3GPP Line access, as E-UTRAN perhaps UTRAN when the anchor point that is shunted as wifi of eNB or RNC.In wireless level, UE can be with Simultaneously with LTE and wifi have wireless connection perhaps carry out wireless communication or UE simultaneously with UMTS and wifi have wireless connection or Person carries out wireless communication.

In addition, when UE is in wireless heterogeneous networks connection status (RRC_CONNECTED) in Cellular Networks and is associated with wifi When access point, it is equivalent to the CA between Cellular Networks and wifi carry out system.UE may also be empty in wireless heterogeneous networks in Cellular Networks Not busy state (RRC_IDLE), whole business of UE 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, is shunted based on eNB shown in fig. 1 or fig. 2 Wifi shunt framework, as shown in figure 3, the method for the present embodiment may include:

Step 101, UE receive the corresponding switchover policy of the first base station that first base station is sent and wifi is shunted and matched confidence Breath；Wherein, which is used to indicate the UE and carries out AP switching according to the roaming mechanism of WLAN protocol.

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

Step 103, UE are communicated with the first AP, and when the UE is mobile, the UE is according to the corresponding switching of the first base station Strategy obtains the 2nd AP, goes to be associated with the first AP, be communicated with the 2nd AP, to realize the switching of AP.

In the present embodiment, for example, for UE in moving process, UE measures the first AP's according to the switchover policy Signal strength is greater than the second pre-determined threshold less than the first pre-determined threshold and/or according to the load of the first AP in beacon (beacon), And the 2nd the signal strength of AP be greater than first pre-determined threshold and/or its load and be less than second pre-determined threshold, then by first AP goes to be associated with, and is communicated with the 2nd AP, to realize the switching of AP.

In the present embodiment, UE receives the corresponding switchover policy of the first base station of first base station transmission and wifi separation is matched Confidence breath, in addition, UE shunts configuration information according to the corresponding wifi of first base station, with the first AP that is found by WLAN protocol into Row communication, when UE is mobile, UE obtains the 2nd AP, goes to be associated with the first AP according to the corresponding switchover policy of first base station, and with 2nd AP is communicated, with realize AP switch, due to switchover policy be used to indicate the UE according to WLAN protocol roaming mechanism into Row AP switching only needs to realize therefore the switching of AP efficiently solves existing skill according to switchover policy that is, in UE moving process UE must indicate to carry out AP switching and cause Signalling exchange between AP and eNB, UE more according to eNB in art, so that there are larger Handover delay and signaling overheads problem, to effectively improve performance of handoffs.

Further, in another embodiment of the present invention, on the basis of above-mentioned 3 illustrated embodiment, with the first base It stands erectly to connect to establish communication link with AP and shunt and be associated with, that is, when not having wifi controller, which can be wifi In case where AC, WAG or wifi router, after step 103, this method can also include:

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

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

UE is in moving process, if not obtaining the 2nd AP, and go to be associated with the first AP, then to this according to switchover policy First base station reports wifi idle state information, so that first base station is according to the wifi idle state information, stop to this first Base station establishes communication link and shunts associated wifi controller or AP transmission wifi streamed data.

It in the present embodiment, can without other suitable AP after UE goes to be associated with the first AP due to wifi covering problem With association, therefore, UE can report wifi idle state information to first base station, so that first base station is according to the wifi free time shape State information stops establishing communication link to the first base station and shunts associated wifi controller or AP transmission wifi porthole bridge According to.

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 comprises:

Step 201, UE receive the corresponding switchover policy of the first base station that first base station is sent and wifi is shunted and matched confidence Breath；Wherein, which is used to indicate the UE and carries out AP switching 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 somebody's turn to do with what is found by WLAN protocol First AP is communicated.

In the present embodiment, first base station is to wifi controller, such as: wifi access controller (Access Controller；Referred to as: AC), wifi access gateway (Wifi Access Gateway；Referred to as: WAG) or wifi router (router), it sends wifi and shunts request message, which shunts the MAC Address that request message may include: the first base station, GPRS transmission agreement (GPRS Tunnel Protocol；Referred to as: GTP) end node identification (Terminal Endpoint Identifier；Referred to as: TEID), radio bearer identification (the Radio Bearer ID of required shunting；Referred to as: RB ID), required Service quality (the Quality of Service of the radio bearer of shunting；Referred to as: QoS) information, wifi AC, WAG or wifi The corresponding ESSID of router.

In addition, wifi AC, WAG wifi router, which receive the wifi, shunts request message, and admission control is executed, It is selected to receive which RB ID is associated, establish RB ID and wifi access category mark (Access Category ID； Referred to as: AC ID) incidence relation sends wifi to the first base station and shunts response message, wherein the wifi shunts response message It may include: the information such as wifi AC, WAG wifi router corresponding ESSID, GTP TEID, RB ID, AC ID.

It optionally, can also include: the ability of wifi AC, WAG wifi router in wifi shunting response message Information or the wifi protocol version information supported.In addition, it should also be noted that, wifi AC, WAG or wifi routing Device may also be in admission control, and the quality of service information of the radio bearer shunted needed for modifying then shunts response in wifi and disappears In breath further include: the quality of service information of the radio bearer shunted needed for modified, so that first base station and wifi AC, WAG or wifi router are established communication link and are associated with shunting.Wherein, each wifi AC, WAG wifi router Including multiple AP.

First base station sends the corresponding wifi of the first base station to UE and shunts configuration information, and optionally, wifi shunting is matched Confidence breath includes: wifi AC, the corresponding ESSID of WAG wifi router (i.e. the first ESSID), the RB of shunted business ID AC ID corresponding with its, QoS information.

In the present embodiment, UE shunts configuration information according to the corresponding wifi of first base station, establishes the RB of LTE protocol stack, It is diverted to the association of access category AC, RB and AC corresponding to the RB of wifi, wifi is returned to first base station and shunts configuration completion Message.It should be noted that being shunted for PGW or eNB is shunted but total data passes through the RB, UE of wifi and UE communication Configuration information can be shunted according to the corresponding wifi of first base station that first base station is sent, establish these in LTE protocol stack in advance RB, to not need base station when these RB needs move to LTE again from wifi additionally by RRC information and reconfigure RB. Wherein, wifi shunts the message for completing to configure can set completion (RRC Connection by RRC connection reconfiguration Reconfiguration Complete) message or RRC connection establish and complete (RRC Connection Setup Complete) Message or RRC connection re-establishment are completed message (RRC Connection Reestablishment Complete) etc. and are sent To base station.

In addition, UE has found the first AP, certification, association or the first AP of re-association according to WLAN protocol, and is authenticating and closing It is communicated after being unified into function with the first AP.UE can also be communicated by LTE protocol with first base station simultaneously.

It should be noted that in the present embodiment, first base station sends the corresponding wifi of first base station to UE and shunts configuration Information and switchover policy may be embodied in same message, or be sent respectively using different message.Such as: first base station Whether moved according to UE and UE movement speed is retransmiting switching to UE transmission wifi shunting configuration information after for a period of time Strategy.Optionally, first base station the wifi shunt can also be configured in configuration information UE to the received signal strength of wifi, The information such as wifi load are measured and are reported, to assist UE to carry out AP discovery and selection.In addition, wifi shunts configuration information And/or switchover policy can be linked by RRC and reconfigure (RRC Connection Reconfiguration) message or containing shifting The RRC connection reconfiguration of dynamic property control information (Mobility Control Information) sets message or RRC connection is established (RRC Connection Setup) message or RRC connection re-establishment (RRC Connection Reestablishment) message Deng a transmission UE.

Step 203, when the UE is mobile, which obtains the 2nd AP, with this according to the corresponding switchover policy of the first base station First AP goes to be associated with, and is communicated with the 2nd AP, to realize the switching of AP.

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

In addition, if UE is in the same extended service set (Extended Service Set；Different AP in referred to as: ESS) Between when moving, the processes such as certification, the forwarding of business data flow can be completed by wifi AC, WAG wifi router, it then follows WLAN roaming agreement.Optionally, when UE is mobile, first base station can be disposed according to network (deployment) or OAM or The information or the recommended candidate target AP list sent according to UE measurement report to UE that ANDSF is obtained, to assist UE to carry out AP It was found that and selecting, further decreasing switching delay and saving UE battery consumption.

Step 204, UE when detecting corresponding 2nd ESSID and the first ESSID not identical of the 2nd AP, to this One base station sends the instruction message for carrying the 2nd ESSID, for first base station wifi control corresponding with the 2nd ESSID Device processed is established communication link and is associated with shunting.

In the present embodiment, as corresponding 2nd ESSID and the first ESSID not identical of the 2nd AP, illustrate the 2nd AP institute AC, WAG or router and AC, WAG belonging to the first AP or router of category be not identical, i.e. UE is not in the same ESS AP between move, therefore, UE, which needs to send to first base station, carries the instruction message of the 2nd ESSID, for first base station with Wifi AC belonging to 2nd AP, WAG wifi router are established communication link and are associated with shunting.

Further optionally, when UE is moved in same ESS, when the signal quality or load of the first AP reach pre- gating When the BSSID for the 2nd AP that limit and UE are detected, the BSSID of the 2nd AP can also be reported to first base station, so that first Base station carries out flow control, such as: first base station judgement is reduced because the switching of AP needs the break period to wifi network point The portfolio of stream.

It should be noted that WLAN networking mode includes BSS, ESS and stand-alone service collection (Independent BSS；Letter Claim: IBSS).BSSID represents a BSS, is the MAC Address of AP.The coverage area of BSS becomes primary service area (Basic Service Area；Referred to as: BSA).ESSID represents an ESS, multiple AP ESSID having the same within the scope of ESS, with branch STA roaming is held, handoff procedure becomes roaming between difference BSS in the same ESS.Wifi terminal generally becomes STA, for supporting Cellular Networks and the terminal of wifi may be collectively referred to as UE.Wherein, wifi router, wifi AC and WAG belong to ESS.

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

The UE receives the handover request that first base station is sent, which includes: the corresponding RRC connection in second base station Configuration information；Wherein, the corresponding RRC connection configuration information in second base station interacts acquisition with second base station for the first base station Information, the corresponding wifi in second base station shunts configuration information and switchover policy；

The UE shunts configuration information according to the corresponding wifi in second base station, carries out with the AP found by the WLAN protocol Communication, 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, with the same ESS or BSS coverage area and difference For the overlay area of eNB has coincidence (overlap), and UE is switched to the second base station from first base station, which receives the first base Before the handover request sent of standing, UE sends the corresponding measurement report of UE to first base station according to measuring configuration, and the UE is corresponding Measurement report includes first base station and believes with the measurement report of the adjacent base station of the first base station and wifi measurement report etc. Breath.In addition, the corresponding measurement report of the UE further include: UE current wifi connection state information, such as: UE whether there is wifi It connects, the BSSID of current wifi AP associated by UE, the information such as ESSID of affiliated ESS.

When first base station judgement needs UE to be switched to the second base station, switching request message is sent to the second base station, this is cut Changing request message includes: wifi shunting configuration, the current wifi connection status of UE and the switchover policy etc. of UE in first base station.Together When, wifi that first base station can be above-mentioned shunt indicated in configuration the second base station and the first AP carry out wifi shunt configuration or and Other AP carry out wifi and shunt configuration.

Second base station executes admission control, sends switching response message to first base station, it includes the second base station is corresponding RRC connection configuration information, wifi shunt configuration information and switchover policy, meanwhile, the second base station can with UE first base station into The AP that row wifi is shunted establishes association and communication link, so that the second base station can continue with the first AP after when base station switches Wifi shunting is carried out, or carries out wifi shunting with other AP.In addition, it should also be noted that, if the first AP not with UE at The business datum that function sends and receives can be transmitted to the second base station by first base station, be transmitted to the 2nd AP by the second base station, Or it is 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 instruction UE is pressed respectively Switch between base station according to LTE mobility management mechanism and carries out AP switching, the movement of the two according to the roaming mechanism of WLAN protocol Property is mutually indepedent.

Specifically, first base station is not interacted with the second base station, i.e., UE is corresponding according to first base station when base station switching Wif shunts configuration message and switchover policy executes corresponding processing, and UE can report that the second base station is worked as after reaching the second base station Preceding associated wifi information, can not also report the information.In addition, UE can pass through wifi AC, WAG wifi router When ESS switching, PGW is notified.When UE switches AP in the 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, should Method can also include:

The UE sends RRC to the first base station and connects when judging to need to switch back into LTE or LTE is needed to be shunted Connect foundation request；

The UE receives the first base station requests returned RRC connection to establish message according to RRC connection foundation, the RRC It includes that the corresponding wifi of the first base station shunts configuration information and switchover policy that message is established in connection.

The present embodiment is so that the wifi that PGW is shunted shunts framework as an example, and first base station is in RRC connection status in UE (RRC_CONNECTED) when configuring wifi shunting for UE, the industry after UE enters idle (RRC_IDLE) state of RRC in wifi is indicated Business can continue.

In addition, UE has been completed in the business of LTE or the factors such as the load of first base station is higher are needed UE in LTE Business migration to wifi, first base station triggering RRC Connection Release (RRCConnection Release) process makes UE in LTE Into RRC idle state.Then UE carries out AP switching according to the roaming mechanism of WLAN protocol in RRC idle state, such as: execute FT Handoff procedure.In addition, the 2nd AP load is larger or signal quality is poor or covers without wifi with the movement of UE, UE is needed It switches back into LTE or LTE is needed to be shunted, then initiate RRC connection to first base station and establish request, which establishes Request includes: cause value, which is that wifi shunts request and current wifi shunts connection status.Optionally, the RRC connection Establish request further include: measurement report, the measurement report include: recommended AP list and its metrical information, such as: RSSI, The information such as load.

Request is established in the RRC connection that first base station responds UE, is sent RRC connection to UE and is established message, which establishes Message includes: that the corresponding wifi of first base station shunts configuration information and switchover policy, and UE connection, which is established, to be completed.UE enters RRC_ CONNECTED state establishes the corresponding wifi of the first base station in message according to the RRC connection being currently received and shunts configuration Information and switchover policy carry out wifi shunting 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, should Method can also include:

The UE returns to wifi to the first base station and shunts configure-reject message, and it includes original which, which shunts configure-reject message, Because of value；

Wherein, which is following any: it is that the UE does not connect that the corresponding wifi of the first base station, which shunts configuration information, Wifi transmitted by eNB by access public land mobile network shunts configuration information, which has accessed or prepared access Other AP in addition to the AP list that the corresponding wifi of the first base station is shunted in configuration information, the ongoing wifi of the UE points The QoS/QoE that stream unloading but the corresponding wifi of the first base station shunt the current service in configuration information is less than preset threshold and knowledge New shunting service identification Chu not be increased in the corresponding wifi shunting configuration information of the first base station, which obtains from ANDSF Switchover policy or the switchover policy that locally prestores wifi corresponding with the first base station shunt the switching plan in configuration information Slightly not identical, which is in urgent call state, which is receiving MBMS business and the application layer identification current business of the UE It is terminated 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 comprises:

Step 301, first base station send wifi to wifi controller or AP and shunt request, and receive the wifi controller Perhaps the wifi that AP is returned shunts response and is associated with establishing communication link with the wifi controller or AP and shunting.

Step 302, first base station according to the wifi shunt respond, to UE send the corresponding switchover policy of the first base station and Wifi shunts configuration information, so that the UE shunts configuration information according to the corresponding wifi of the first base station, and passes through WLAN protocol It was found that the first AP communicated, and when the UE is mobile, which obtains second according to the corresponding switchover policy of the first base station AP goes to be associated with the first AP, is communicated with the 2nd AP, to realize the switching of AP.

Wherein, which is used to indicate the UE and carries out AP switching according to the roaming mechanism of WLAN protocol.

In the present embodiment, first base station is to wifi controller, such as: wifi AC, WAG wifi router are sent Wifi shunts request message, which shunts the MAC Address that request message may include: the first base station, GPRS transmission agreement (GPRS Tunnel Protocol；Referred to as: GTP) end node identification (Terminal Endpoint Identifier；Referred to as: TEID), radio bearer identification (the Radio Bearer ID of required shunting；Referred to as: RB ID), the radio bearer of required shunting Service quality (Quality of Service；Referred to as: QoS) information, wifi AC, WAG wifi router are corresponding ESSID。

In the present embodiment, first base station sends the corresponding wifi of the first base station to UE and shunts configuration information, optionally, It includes: wifi AC, the corresponding ESSID of WAG wifi router (i.e. the first ESSID) that the wifi, which shunts configuration information, is divided The RB ID of stream business AC ID corresponding with its, QoS information.

In addition, UE can execute method shown in above-mentioned each embodiment, realization principle is similar, no longer superfluous herein It states.

In the present embodiment, first base station sends wifi to wifi controller or AP and shunts request, and receives wifi control The device processed wifi that perhaps AP is returned is shunted to respond to establish communication link with wifi controller or AP and shunt and is associated with, in addition, the One base station shunts according to the wifi and responds, and sends the corresponding wifi of first base station to UE and shunts configuration information and switchover policy, with Configuration information is shunted according to the corresponding wifi of first base station for UE, is communicated with the first AP found by WLAN protocol, and When UE is mobile, according to the corresponding switchover policy of first base station, AP hand-off process is carried out, since switchover policy is used to indicate the UE AP switching is carried out according to the roaming mechanism of WLAN protocol, i.e., only needs to realize cutting for AP according to switchover policy in UE moving process It changes, therefore, efficiently solving UE in the prior art must indicate to carry out AP switching and cause between AP and eNB, UE according to eNB Signalling exchange is more, to there are problems that biggish handover delay and signaling overheads, to effectively improve performance of handoffs.

Fig. 6 is the flow chart of the further embodiment of switching handling method of the present invention, in the base of above-mentioned embodiment illustrated in fig. 5 On plinth, 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 transmission, which is The UE is detecting corresponding 2nd ESSID of the 2nd AP and first base obtained according to the corresponding switchover policy of the first base station The corresponding wifi of standing shunt the first ESSID in configuration information it is not identical when the instruction message that is sent to the first base station.

Step 304, first base station wifi controller corresponding with the 2nd ESSID establish communication link and shunt association.

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

The first base station receives the BSSID that the UE is reported, which is that the UE is cut with according to the first base station is corresponding Change the corresponding BSSID of the 2nd AP reported after the 2nd AP communication of strategy acquisition；

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

The first base station receives the wifi idle state information that the UE is reported, and according to the wifi idle state information, stops Only communication link and the associated wifi controller transmission wifi streamed data of shunting are established to the first base station.

Optionally, this method can further include:

The first base station sends switching request message to the second base station, which includes: the first base station pair The wifi answered shunts configuration information, to indicate that second base station shunts configuration information according to the corresponding wifi of the first base station, with First AP or other AP carries out wifi and shunts configuration processing；Wherein, which refers to communicates with first base station foundation Other AP in addition to the first AP under link and the associated wifi controller of shunting；

The first base station receives the switching response message of second base station return, which includes second base It stands corresponding RRC connection configuration information；

The first base station sends handover request and gives the UE, which includes the corresponding RRC connection configuration in the second base station Information, wifi shunt configuration information and switchover policy, so that the UE is according to the corresponding RRC connection configuration information in second base station, Switch over processing, shunt configuration information according to the corresponding wifi in second base station, with the AP that is found by the WLAN protocol into Row communication, 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 schematic diagram of one embodiment of switch processing device of the present invention, and if Fig. 7 is somebody's turn to do, which includes: to receive Send out module 11, communication module 12 and hand-off process module 13；Wherein, transceiver module 11 be used to receive first base station transmission this The corresponding switchover policy in one base station and wifi shunt configuration information；Wherein, which is used to indicate the UE and assists according to WLAN The roaming mechanism of view carries out AP switching；Communication module 12 is used to shunt configuration information according to the corresponding wifi of the first base station, with It is communicated by the first AP that WLAN protocol is found；Hand-off process module 13 is used for when the device is mobile, according to this first The corresponding switchover policy in base station obtains the 2nd AP, goes to be associated with the first AP, be communicated with the 2nd AP, to realize AP's Switching.

The device of the present embodiment is specifically as follows UE, and can execute the technical solution of embodiment of the method shown in Fig. 3, in fact Existing principle is similar, and details are not described herein again.

Fig. 8 is the structural schematic diagram of another embodiment of switch processing device of the present invention, in above-mentioned embodiment illustrated in fig. 7 On the basis of, as shown in figure 8, the transceiver module 11, which is also used to return to wifi to the first base station, shunts configure-reject message, it should It includes cause value that wifi, which shunts configure-reject message,；

Preferably, when it includes an ESSID that the corresponding wifi of the first base station, which is shunted in configuration information, which is also wrapped Include: whether detection module 14 is identical for detecting corresponding 2nd ESSID and the first ESSID of the 2nd AP；The transceiver module 11 to first base station transmission for taking when the detection module 14 detects that the 2nd ESSID and the first ESSID be not identical Instruction message with the 2nd ESSID, so that first base station wifi controller corresponding with the 2nd ESSID establishes communication Link is associated with shunting.

Preferably, which is also used to be communicated with the 2nd AP；Then the transceiver module 11 be used for this One base station reports the BSSID of the 2nd AP, so that the first base station is according to the BSSID, with the 2nd AP establish communication link and Shunt association

Further, in yet another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 7, the transmitting-receiving Module 11 is also used in the device in moving process, if the 2nd AP is not obtained according to the switchover policy, and with this first AP goes to be associated with, then reports wifi idle state information to the first base station, so that the first base station is according to the wifi idle state Information stops establishing communication link and the associated wifi controller of shunting or AP transmission wifi porthole bridge to the first base station According to.

Optionally, which is also used to receive the handover request of first base station transmission, which includes: this The corresponding RRC connection configuration information in second base station；Wherein, the corresponding RRC connection configuration information in second base station is first base It stands and interacts the information of acquisition with second base station, the corresponding wifi in second base station shunts configuration information and switchover policy；This is cut Processing module 13 is changed to be also used to switch over processing according to the corresponding RRC connection configuration information in second base station；The communication module 12 are also used to shunt configuration information according to the corresponding wifi in second base station, are led to the AP found by the WLAN protocol Letter；The hand-off process module 13 is also used in the device moving process, is carried out according to the corresponding switchover policy in second base station AP hand-off process.

Further, in another embodiment of the present invention, on the basis of the embodiment described in above-mentioned Fig. 7, the transmitting-receiving Module 11 is also used to when judging to need to switch back into LTE or LTE is needed to be shunted, and is sent RRC to the first base station and is connected Connect foundation request；The transceiver module 11 is also used to receive the first base station and establishes the returned RRC company of request according to the RRC connection It connects and establishes message, it includes that the corresponding wifi of the first base station shunts configuration information and switchover policy which, which establishes message,.

Fig. 9 is the structural schematic diagram of the further embodiment of switch processing device of the present invention, as shown in figure 9, the device packet It includes: sending module 21 and receiving module 22；Wherein, sending module 21 is used to send wifi shunting to wifi controller or AP and ask It asks；Receiving module 22 is used to receive the wifi that the wifi controller or AP are returned and shunts response, with the wifi controller or Person AP establishes communication link and is associated with shunting；The sending module 21 is also used to be shunted according to the wifi and respond, to UE send this The corresponding switchover policy in one base station and wifi shunt configuration information, so that the UE matches according to the corresponding wifi shunting of the first base station Confidence breath, is communicated with the first AP found by WLAN protocol, and when the UE is mobile, the UE is according to the first base station pair The switchover policy answered obtains the 2nd AP, goes to be associated with the first AP, be communicated with the 2nd AP, to realize the switching of AP；Its In, which is used to indicate the UE and carries out AP switching according to the roaming mechanism of WLAN protocol.

The device of the present embodiment can be specially first base station, and the method that can execute embodiment illustrated in fig. 5, realize Principle is similar, and details are not described herein again.

Figure 10 is the structural schematic diagram of another embodiment of switch processing device of the present invention, is implemented shown in above-mentioned Fig. 9 On the basis of example, as shown in Figure 10, the instruction for carrying the 2nd ESSID which is also used to receive UE transmission disappears Breath, the instruction message are that the UE is detecting the 2nd AP corresponding second obtained according to the corresponding switchover policy of the device The first ESSID in ESSID wifi shunting configuration information corresponding with the device disappears when not identical to the instruction that the device is sent Breath.

Then device further include: establish module 23 for wifi controller corresponding with the 2nd ESSID and establish communication chain Road is associated with shunting.

Further, in yet another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 9, the reception Module 22 is also used to receive the BSSID that the UE is reported, the BSSID be the UE with according to the corresponding switchover policy of the first base station The corresponding BSSID of the 2nd AP reported after the 2nd AP communication obtained.Then device further include: establish module, be used for and this 2nd AP establishes communication link and is associated with shunting.

Further, in another embodiment of the present invention, on the basis of above-mentioned embodiment illustrated in fig. 9, this is connect Receive module 22 and be also used to receive the wifi idle state information that the UE is reported, and according to the wifi idle state information, stop to Communication link is established with the first base station and shunts associated wifi controller or AP transmission wifi streamed data.

Optionally, which is also used to send switching request message, the handoff request message to the second base station Include: the corresponding wifi of the device shunts configuration information, to indicate that second base station shunts configuration according to the corresponding wifi of the device Information carries out wifi with the first AP or other AP and shunts configuration processing；Wherein, which refers to establish with the device and lead to Believe link and shunts other AP in addition to the first AP under associated wifi controller；The receiving module 22 is also used to receive The switching response message that second base station returns, the switching response message include the corresponding RRC connection in second base station with confidence Breath；The sending module 21 is also used to send handover request and gives the UE, which includes that the corresponding RRC connection in the second base station is matched Confidence breath, wifi shunt configuration information and switchover policy, so that the UE matches confidence according to the corresponding RRC connection in second base station Breath, switches over processing, configuration information is shunted according to the corresponding wifi in second base station, with the AP found by the WLAN protocol It is communicated, and in the UE moving process, carries out AP hand-off process according to the corresponding switchover policy in second base station.

The present invention also provides a kind of user equipmenies, comprising: memory, for storing instruction；Processor, with the storage Device coupling, the processor is configured to execute storage instruction in the memory, and the processor is configured to In the switching handling method of execution as described in fig 3.Its realization principle is similar, and details are not described herein again.

The present invention also provides a kind of base stations, comprising: memory, for storing instruction；Processor, with the memory coupling It closes, the processor is configured to executing the instruction of storage in the memory, and the processor is configured to for holding Switching handling method of the row as described in Fig. 5 or Fig. 6.Its realization principle is similar, and details are not described herein again.

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or The various media that can store program code such as person's CD.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of switching handling method characterized by comprising

UE receives the corresponding switchover policy of the first base station that first base station is sent and wifi shunts configuration information；Wherein, institute State the roaming mechanism progress AP switching that switchover policy is used to indicate the UE according to WLAN protocol；

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

When the UE is mobile, the UE obtains the 2nd AP, with described first according to the corresponding switchover policy of the first base station AP goes to be associated with, and is communicated with the 2nd AP, to realize the switching of AP；

The UE receives the handover request that first base station is sent, and the handover request includes: that the corresponding RRC connection in the second base station is matched Confidence breath；Wherein, the corresponding RRC connection configuration information in second base station is that the first base station is interacted with second base station The information of acquisition, the corresponding wifi in second base station shunt configuration information and switchover policy；

The UE shunts configuration information according to the corresponding wifi in second base station, with the AP that is found by the WLAN protocol into Row communication, and in the UE moving process, AP hand-off process is carried out according to the corresponding switchover policy in second base station.

2. the method according to claim 1, wherein the corresponding wifi of the first base station is shunted in configuration information Including the first ESSID, then the method also includes:

The UE is when detecting that corresponding 2nd ESSID of the 2nd AP and the first ESSID be not identical, Xiang Suoshu first Base station sends the instruction message for carrying the 2nd ESSID, so that the first base station is corresponding with the 2nd ESSID Wifi controller is established communication link and is associated with shunting.

3. the method according to claim 1, wherein further include:

The UE is communicated with the 2nd AP, and Xiang Suoshu first base station reports the BSSID of the 2nd AP, for described One base station establishes communication link with the 2nd AP and shunting is associated with according to the BSSID.

4. the method according to claim 1, wherein further include:

The UE is in moving process, if not obtaining the 2nd AP, and go with the first AP according to the switchover policy Association, then report wifi idle state information to the first base station, so that the first base station is according to the wifi free time shape State information stops establishing communication link and the associated wifi controller of shunting or wifi points of AP transmission to the first base station Flow data.

5. the method according to claim 1, wherein further include:

When judging to need to switch back into LTE or LTE is needed to be shunted, Xiang Suoshu first base station sends RRC and connects the UE Connect foundation request；

The UE receives the first base station requests returned RRC connection to establish message according to RRC connection foundation, described It includes that the corresponding wifi of the first base station shunts configuration information and switchover policy that message is established in RRC connection.

6. the method according to claim 1, wherein further include:

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

Wherein, the cause value is following any: the corresponding wifi of the first base station shunt configuration information be the UE not The wifi transmitted by the eNB of public land mobile network that accepts the interview shunts configuration information, and the UE has been accessed or prepared Other AP in addition to the AP list that the corresponding wifi of the first base station is shunted in configuration information are accessed, the UE is being carried out Wifi shunt unloading but the corresponding wifi of the first base station shunt the current service in configuration information QoS/QoE be less than it is pre- It is described if threshold value and identifying that the corresponding wifi of the first base station is shunted in configuration information and increasing new shunting service identification The switchover policy that UE is prestored from the ANDSF switchover policy obtained or locally wifi corresponding with the first base station shunts configuration Switchover policy in information is not identical, and the UE is in urgent call state, and the UE is receiving MBMS business and the UE Application layer identification current business terminated within the scheduled time.

7. a kind of switching handling method characterized by comprising

To wifi controller, perhaps AP sends wifi shunting request and receives the wifi controller or AP return first base station Wifi shunt response, with the wifi controller or AP establish communication link and shunting be associated with；

The first base station is shunted according to the wifi and is responded, and sends the corresponding switchover policy of the first base station and wifi to UE Configuration information is shunted, so that the UE shunts configuration information according to the corresponding wifi of the first base station, and passes through WLAN protocol It was found that the first AP communicated, and when the UE is mobile, the UE is obtained according to the corresponding switchover policy of the first base station The 2nd AP is taken, goes to be associated with the first AP, is communicated with the 2nd AP, to realize the switching of AP；

Wherein, the switchover policy is used to indicate the UE and carries out AP switching according to the roaming mechanism of WLAN protocol；

The first base station sends switching request message to the second base station, and the handoff request message includes: the first base station Corresponding wifi shunts configuration information, to indicate that second base station is shunted according to the corresponding wifi of the first base station with confidence Breath carries out wifi with the first AP or other AP and shunts configuration processing；Wherein, other described AP refer to and first base Station establishes communication link and shunts other AP in addition to the first AP under associated wifi controller；

The first base station receives the switching response message that second base station returns, and the switching response message includes described the The corresponding RRC connection configuration information in two base stations；

The first base station sends handover request to the UE, and the handover request includes that the corresponding RRC connection in the second base station is matched Confidence breath, wifi shunt configuration information and switchover policy, so that the UE is configured according to the corresponding RRC connection in second base station Information switches over processing, shunts configuration information according to the corresponding wifi in second base station, sends out with by the WLAN protocol Existing AP is communicated, and in the UE moving process, carries out AP switching according to the corresponding switchover policy in second base station Processing.

8. the method according to the description of claim 7 is characterized in that further include:

The first base station receives the instruction message for carrying the 2nd ESSID that the UE is sent, and the instruction message is described UE is detecting corresponding 2nd ESSID of the 2nd AP and described first obtained according to the corresponding switchover policy of the first base station The instruction message that the first ESSID in the corresponding wifi shunting configuration information in base station is sent when not identical to the first base station；

9. the method according to the description of claim 7 is characterized in that further include:

The first base station receives the BSSID that the UE is reported, the BSSID be the UE with according to the first base station pair The corresponding BSSID of the 2nd AP reported after the 2nd AP communication that the switchover policy answered obtains；

10. the method according to the description of claim 7 is characterized in that further include:

The first base station receives the wifi idle state information that the UE is reported, and according to the wifi idle state information, Stop establishing communication link and the associated wifi controller of shunting or AP transmission wifi streamed data to the first base station.

11. a kind of switch processing device characterized by comprising

Transceiver module, the corresponding switchover policy of the first base station and wifi for receiving first base station transmission are shunted with confidence Breath；Wherein, the switchover policy is used to indicate UE and carries out AP switching according to the roaming mechanism of WLAN protocol；

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

Hand-off process module, for according to the corresponding switchover policy of the first base station, obtaining second when described device is mobile AP goes to be associated with the first AP, is communicated with the 2nd AP, to realize the switching of AP；

The transceiver module is also used to receive the handover request of first base station transmission, and the handover request includes: the second base station pair The RRC connection configuration information answered；Wherein, the corresponding RRC connection configuration information in second base station is the first base station and institute The information that the interaction of the second base station obtains is stated, the corresponding wifi in second base station shunts configuration information and switchover policy；

The hand-off process module is also used to switch over processing according to the corresponding RRC connection configuration information in second base station；

The communication module is also used to shunt configuration information according to the corresponding wifi in second base station, assists with by the WLAN The AP of view discovery is communicated；

The hand-off process module is also used in described device moving process, according to the corresponding switchover policy in second base station Carry out AP hand-off process.

12. device according to claim 11, which is characterized in that the corresponding wifi of the first base station shunts configuration information In include the first ESSID, then described device further include:

The transceiver module, for detecting that the 2nd ESSID and the first ESSID be not identical in the detection module When, Xiang Suoshu first base station sends the instruction message for carrying the 2nd ESSID, for the first base station and described second The corresponding wifi controller of ESSID is established communication link and is associated with shunting.

13. device according to claim 11, which is characterized in that the communication module is also used to carry out with the 2nd AP Communication；

The then transceiver module, for reporting the BSSID of the 2nd AP to the first base station, for the first base station root According to the BSSID, communication link is established with the 2nd AP and shunting is associated with.

14. device according to claim 11, which is characterized in that the transceiver module is also used in described device in movement In the process, if according to the switchover policy, the 2nd AP is not obtained, and go to be associated with the first AP, then to described One base station reports wifi idle state information, so that the first base station is according to the wifi idle state information, stop to The first base station establishes communication link and shunts associated wifi controller or AP transmission wifi streamed data.

15. device according to claim 11, which is characterized in that the transceiver module, which is also used to work as, to be judged to need to switch When returning LTE or LTE being needed to be shunted, Xiang Suoshu first base station sends RRC connection and establishes request；

The transceiver module is also used to receive the first base station and establishes the returned RRC connection of request according to the RRC connection Message is established, it includes that the corresponding wifi of the first base station shunts configuration information and switchover policy that message is established in the RRC connection.

16. device according to claim 11, which is characterized in that the transceiver module is also used to return to the first base station It returns wifi and shunts configure-reject message, it includes cause value that the wifi, which shunts configure-reject message,；

17. a kind of switch processing device characterized by comprising

Sending module shunts request for sending wifi to wifi controller or AP；

Receiving module, the wifi for receiving the wifi controller or AP return shunts response, to control with the wifi Device or AP establish communication link and are associated with shunting；

The sending module is also used to be shunted according to the wifi and respond, to UE send the corresponding switchover policy of first base station and Wifi shunts configuration information, so that the UE shunts configuration information according to the corresponding wifi of the first base station, and passes through WLAN First AP of protocol discovery is communicated, and when the UE is mobile, the UE is according to the corresponding switching plan of the first base station Slightly, the 2nd AP is obtained, goes to be associated with the first AP, be communicated with the 2nd AP, to realize the switching of AP；

The sending module is also used to send switching request message to the second base station, and the handoff request message includes: the dress It sets corresponding wifi and shunts configuration information, to indicate that second base station is shunted according to the corresponding wifi of described device with confidence Breath carries out wifi with the first AP or other AP and shunts configuration processing；Wherein, other described AP refer to builds with described device Other AP in addition to the first AP under vertical communication link and the associated wifi controller of shunting；

The receiving module is also used to receive the switching response message that second base station returns, and the switching response message includes The corresponding RRC connection configuration information in second base station；

The sending module is also used to send handover request to the UE, and the handover request includes the corresponding RRC in the second base station Configuration information, wifi shunting configuration information and switchover policy are connected, so that the UE connects according to the corresponding RRC in second base station Configuration information is connect, processing is switched over, shunts configuration information according to the corresponding wifi in second base station, and passes through the WLAN The AP of protocol discovery is communicated, and in the UE moving process, is carried out according to the corresponding switchover policy in second base station AP hand-off process.

18. device according to claim 17, which is characterized in that the receiving module is also used to receive what the UE was sent The instruction message of the 2nd ESSID is carried, the instruction message is that the UE is being detected according to the corresponding switching of described device Corresponding 2nd ESSID of the 2nd AP that strategy obtains wifi corresponding with described device shunts the first ESSID in configuration information The instruction message sent when not identical to described device；

Then described device further include:

19. device according to claim 17, which is characterized in that the receiving module is also used to receive what the UE was reported BSSID, the BSSID be the UE with after the 2nd AP communication obtained according to the corresponding switchover policy of the first base station on The corresponding BSSID of the 2nd AP of report；

Then described device further include:

20. device according to claim 17, which is characterized in that the receiving module is also used to receive what the UE was reported Wifi idle state information, and according to the wifi idle state information, stop establishing communication link to the first base station Wifi streamed data is sent with the associated wifi controller of shunting or AP.

21. a kind of user equipment characterized by comprising memory, for storing instruction；

Processor is coupled with the memory, the processor is configured to the instruction of storage in the memory is executed, and The processor is configured to for executing the switching handling method as described in claim 1 to 6 is any.

22. a kind of base station characterized by comprising memory, for storing instruction；

Processor is coupled with the memory, the processor is configured to the instruction of storage in the memory is executed, and The processor is configured to for executing switching handling method the method according to any one of claims 7 to 10.

23. a kind of switching processing system characterized by comprising UE and base station, wherein the UE be as claim 11 to 16 any switch processing devices；The base station is the switch processing device as described in claim 17 to 20 is any.