CN104469775A

CN104469775A - Wireless local area network access method, base station controller and user equipment

Info

Publication number: CN104469775A
Application number: CN201410693579.4A
Authority: CN
Inventors: 李秉肇; 郑潇潇; 陈燕燕
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-09-28
Filing date: 2012-09-28
Publication date: 2015-03-25
Anticipated expiration: 2032-09-28
Also published as: CN104469775B

Abstract

The invention provides a wireless local area network access method, a base station controller and user equipment. The method comprises the steps that a first AP set is determined, wherein the first AP set comprises at least one AP; information of the first AP set is sent to the user equipment according to the first AP set, so that the user equipment determines an AP used for having access to the WLAN according to the information of the first AP set; a first threshold is sent to the user equipment, wherein the first threshold is used for enabling the user equipment to have access to the base station controller. When the user equipment needs to have access to the internet in the mode that the AP has access to the WLAN, the base station controller can inform the user equipment of the available AP, and then the user equipment can directly have access to the WLAN through the available AP instead of requesting a password for an operator and inputting the password when having access to the WLAN.

Description

Wireless local area network access method, base station controller and subscriber equipment

Technical field

The embodiment of the present invention relates to communication technical field, and more specifically, relates to wireless local area network access method, base station controller and subscriber equipment.

Background technology

Along with popularizing of WLAN (wireless local area network) (Wireless LAN, WLAN), operator, while operate mobile networks, also can build WLAN at the place of some (such as megastore, office building etc.).When subscriber equipment (User Equipment, UE) is in WLAN coverage, WLAN access point (Access Point, AP) access the Internet can be passed through and carry out the operation such as web page browsing, download.When subscriber equipment needs by WLAN access the Internet, subscriber equipment needs by note or other modes password to operator request WLAN AP, and needs to input this password when accessing this AP.

Summary of the invention

The invention provides wireless local area network access method, base station controller and subscriber equipment, can when subscriber equipment need by AP access the Internet, necessarily do not input this password to operator request password when accessing.

First aspect, the embodiment of the present invention provides a kind of WLAN (wireless local area network) WLAN cut-in method, and the method is performed by the base station controller of the serving BS of subscriber equipment, comprising: determine that the first access point AP gathers, and wherein an AP set comprises at least one AP; According to an AP set, send the information of an AP set to this subscriber equipment, so that this subscriber equipment determines according to the information that an AP gathers the access AP accessing WLAN; Send the first thresholding to this subscriber equipment, this first thresholding is used for making this subscriber equipment access this base station controller.

In conjunction with first aspect, in the first possible implementation of first aspect, the information of the one AP set comprise following one or more: the channel number of this at least one AP in an AP set, the identification information of this at least one AP in the one AP set, the beacon channel information of this at least one AP in the one AP set, the security parameter of this at least one AP in the one AP set, the beacon channel information of the AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of this at least one AP in an AP set, the security parameter of this at least one AP in one AP set comprises key for accessing and/or authentication type.

In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second of first aspect is possible, the method also comprises: when receiving access capability instruction or the access request of this subscriber equipment transmission, determine an AP set.

In conjunction with the first possible implementation of first aspect or first aspect, in the third possible implementation of first aspect, the method also comprises: the connection establishment request or the data transmission state message that receive the transmission of this subscriber equipment, wherein this connection establishment request is used for that this subscriber equipment is re-established with this base station controller and is connected, and this data transmission state message recovers the data transmission state with this base station controller for making this subscriber equipment.

In conjunction with the first possible implementation of first aspect or first aspect, in the 4th kind of possible implementation of first aspect, the information of an AP set is carried in radio resource control RRC connection establishment message, RRC connection release message or Survey control message.

In conjunction with the first possible implementation of first aspect or first aspect, in the 5th kind of possible implementation of first aspect, this base station controller is radio network controller (RNC) or evolution base station eNode B.

Second aspect, the embodiment of the present invention provides a kind of WLAN (wireless local area network) WLAN cut-in method, the method is performed by subscriber equipment, comprising: the information that the first access point AP that the base station controller receiving the serving BS of this subscriber equipment sends gathers, and an AP set comprises at least one AP; According to the information of an AP set, determine the access AP accessing WLAN; Receive the first thresholding that this base station controller sends; According to this first thresholding, access this base station controller.

In conjunction with second aspect, in the first possible implementation of second aspect, the information of the one AP set comprise following one or more: the information of an AP set comprise following one or more: the channel number of this at least one AP in an AP set, the identification information of this at least one AP in the one AP set, the beacon channel information of this at least one AP in the one AP set, the security parameter of this at least one AP in the one AP set, the beacon channel information of the AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of this at least one AP in an AP set, the security parameter of this at least one AP in one AP set comprises key for accessing and/or authentication type.

In conjunction with the first possible implementation of second aspect or second aspect, in the implementation that the second of second aspect is possible, this information gathered according to an AP, determine the access AP accessing WLAN, comprising: from this at least one AP of an AP set, determine this access AP.

In conjunction with the first possible implementation of second aspect or second aspect, in the third possible implementation of second aspect, this base station controller of this access, comprise: send connection establishment request or data transmission state message to this base station controller, wherein this connection establishment request is used for re-establishing with this base station controller being connected, and this data transmission state message is for recovering the data transmission state with this base station controller.

In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, before this sends connection establishment request or data transmission state message to this base station controller, also comprise: this subscriber equipment, after this access of access AP, determines that the metrical information of this access AP is lower than this first thresholding.

In conjunction with the third possible implementation of second aspect, in the 5th kind of possible implementation of second aspect, this sends connection establishment request to this base station controller or data transmission state message comprises: this subscriber equipment is not when being connected with this base station controller, send this connection establishment request to this base station controller, be connected to rebuild with this base station controller; Or this subscriber equipment, when being connected with this base station controller when discharging, sends this data transmission state message to this base station controller, so that the transfer of data of recovery and this base station controller.

In conjunction with the third possible implementation of second aspect, in the 6th kind of possible implementation of second aspect, this data transmission state message comprises measurement report or cell update request.

In conjunction with the first possible implementation of second aspect or second aspect, in the 7th kind of possible implementation of second aspect, the information of an AP set is carried in RRC connection establishment message, RRC connection release message or Survey control message.

In conjunction with the first possible implementation of second aspect or second aspect, in the 8th kind of possible implementation of second aspect, the method also comprises: the access capability instruction from this subscriber equipment to this base station controller or the access request that send, so that an AP set determined by this base station controller when receiving the instruction of this access capability or this access request.

In conjunction with the 8th kind of possible implementation of second aspect, in the 9th kind of possible implementation of second aspect, the instruction of this access capability and this access request are carried in radio resource control RRC connection establishment request message or RRC connection setup complete message.

In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the tenth kind of possible implementation of second aspect, this base station controller is radio network controller (RNC) or evolution base station eNode B.

The third aspect, the embodiment of the present invention provides a kind of base station controller, and this base station controller is the base station controller of the serving BS of subscriber equipment, comprising: control unit, and for determining that the first access point AP gathers, wherein an AP set comprises at least one AP; Transmitting element, for the AP set determined according to this control unit, sends the information of an AP set, so that this subscriber equipment determines the access AP of accessing WLAN WLAN according to the information that an AP gathers to this subscriber equipment; This transmitting element, also for sending the first thresholding to this subscriber equipment, this first thresholding is used for making this subscriber equipment access this base station controller.

In conjunction with the third aspect, in the first possible implementation of the third aspect, the information of the one AP set comprise following one or more: the channel number of this at least one AP in an AP set, the identification information of this at least one AP in the one AP set, the beacon channel information of this at least one AP in the one AP set, the security parameter of this at least one AP in the one AP set, the beacon channel information of the AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of this at least one AP in an AP set, the security parameter of this at least one AP in one AP set comprises key for accessing and/or authentication type.

In conjunction with the first possible implementation of the third aspect or the third aspect, in the implementation that the second of the third aspect is possible, this base station controller, also comprises: receiving element, for receiving the access capability instruction or access request that this subscriber equipment sends; This control unit, specifically for receive at this receiving element this subscriber equipment send this access capability instruction or this access request, determine the one AP set.

In conjunction with the first possible implementation of the third aspect or the third aspect, in the third possible implementation of the third aspect, this base station controller, also comprises: receiving element, for receiving connection establishment request or the data transmission state message of the transmission of this subscriber equipment.

In conjunction with the first possible implementation of the third aspect or the third aspect, in the 4th kind of possible implementation of the third aspect, the information of an AP set is carried in radio resource control RRC connection establishment message, RRC connection release message or Survey control message.

Fourth aspect, the embodiment of the present invention provides a kind of subscriber equipment, comprising: receiving element, the information that the first access point AP that the base station controller for receiving the serving BS of this subscriber equipment sends gathers, and an AP set comprises at least one AP; Control unit, the information that the AP for receiving according to this receiving element gathers, determines the access AP of accessing WLAN WLAN; This receiving element, also for receiving the first thresholding that this base station controller sends; This control unit, also for controlling this base station controller of access according to this first thresholding.

In conjunction with fourth aspect, in the first possible implementation of fourth aspect, the information of the one AP set comprise following one or more: the information of an AP set comprise following one or more: the channel number of this at least one AP in an AP set, the identification information of this at least one AP in the one AP set, the beacon channel information of this at least one AP in the one AP set, the security parameter of this at least one AP in the one AP set, the beacon channel information of the AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of this at least one AP in an AP set, the security parameter of this at least one AP in one AP set comprises key for accessing and/or authentication type.

In conjunction with the first possible implementation of fourth aspect or fourth aspect, in the implementation that the second of fourth aspect is possible, this control unit, specifically for determining this access AP in this at least one AP from an AP set.

In conjunction with the first possible implementation of fourth aspect or fourth aspect, in the third possible implementation of fourth aspect, this subscriber equipment also comprises: transmitting element, for sending connection establishment request or data transmission state message, to access this base station controller to this base station controller.

In conjunction with the third possible implementation of fourth aspect, in the 4th kind of possible implementation of fourth aspect, before this transmitting element sends this connection establishment request or data transmission state message to this base station controller, this control unit, also for after this access of access AP, determine that the metrical information of this access AP is lower than this first thresholding.

In conjunction with the third possible implementation of fourth aspect, in the 5th kind of possible implementation of fourth aspect, this transmitting element, specifically for when not being connected with this base station controller, send this connection establishment request to this base station controller, be connected to rebuild with this base station controller; Or, when being connected with this base station controller when discharging, send this data transmission state message to this base station controller, so that the transfer of data of recovery and this base station controller.

In conjunction with the first possible implementation of fourth aspect or fourth aspect, in the 6th kind of possible implementation of fourth aspect, this subscriber equipment, also comprise: transmitting element, for sending access capability instruction or the access request of this subscriber equipment to this base station controller, so that an AP set determined by this base station controller when receiving the instruction of this access capability or this access request.

In the embodiment of the present invention, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in the embodiment of the present invention below, apparently, accompanying drawing described is below only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the indicative flowchart of the wireless local area network access method according to the embodiment of the present invention.

Fig. 2 is the indicative flowchart of the wireless local area network access method according to the embodiment of the present invention.

Fig. 3 is the indicative flowchart of the wireless local area network access method according to the embodiment of the present invention.

Fig. 4 is the schematic block diagram of the base station controller of the embodiment of the present invention.

Fig. 5 is the schematic block diagram of another base station controller of the embodiment of the present invention.

Fig. 6 is the schematic block diagram of the subscriber equipment of the embodiment of the present invention.

Fig. 7 is the schematic block diagram of another subscriber equipment of the embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of protection of the invention.

Should understand, the technical scheme of the embodiment of the present invention can be applied to various communication system, such as: global system for mobile telecommunications (Global System of Mobile communication, be called for short " GSM ") system, code division multiple access (Code Division Multiple Access, be called for short " CDMA ") system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, be called for short " WCDMA ") system, GPRS (General Packet Radio Service, be called for short " GPRS "), Long Term Evolution (Long Term Evolution, be called for short " LTE ") system, LTE Frequency Division Duplexing (FDD) (Frequency DivisionDuplex, be called for short " FDD ") system, LTE time division duplex (Time Division Duplex, be called for short " TDD "), universal mobile telecommunications system (Universal Mobile Telecommunication System, be called for short " UMTS ") etc.

UE also can be referred to as mobile terminal (Mobile Terminal, MT), mobile subscriber equipment etc., can through wireless access network (such as, Radio Access Network, RAN) communicate with one or more core net, subscriber equipment can be mobile terminal, as mobile phone (or being called " honeycomb " phone) and the computer with mobile terminal, such as, can be portable, pocket, hand-hold type, built-in computer or vehicle-mounted mobile device.

Base station, can be the base station (Base Transceiver Station, BTS) in GSM or CDMA, also can be the base station (NodeB) in WCDMA, can also be eNB or e-NodeB in LTE, the present invention limit.

Base station controller, can be BSC (Base Station Controller, base station controller), also can be RNC (Radio Network Controller, radio network controller), can also be eNode B (evolved Node B, evolution base station), the present invention limit.Base station controller is connected with AP, can carry out the mutual of information.

WLAN AP, the AP herein all refers to WLAN AP.Subscriber equipment can pass through this AP and Internet connection.This AP can be independent AP, and this AP is subject to control and the management of AC (Access Controller, access controller), and also can be the AP comprising AC function, can also be form a kind of special base station with base station, the present invention limit.

WLAN, can be Wireless Fidelity (Wireless Fidelity, WiFi), also can be World Interoperability for Microwave Access, WiMax (Worldwide interoperability for Microwave Access, WiMAX), the present invention does not limit.

Mobile network herein, it can be various communication system, such as: global system for mobile telecommunications (GlobalSystem of Mobile communication, be called for short " GSM ") system, code division multiple access (Code DivisionMultiple Access, be called for short " CDMA ") system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code DivisionMultiple Access, be called for short " WCDMA ") system, GPRS (General PacketRadio Service, be called for short " GPRS "), Long Term Evolution (Long Term Evolution, be called for short " LTE ") system, LTE Frequency Division Duplexing (FDD) (Frequency Division Duplex, be called for short " FDD ") system, LTE time division duplex (Time Division Duplex, be called for short " TDD "), universal mobile telecommunications system (UniversalMobile Telecommunication System, be called for short " UMTS ") etc.

Fig. 1 is the indicative flowchart of the WLAN cut-in method according to the embodiment of the present invention.The method of Fig. 1 is performed by the base station controller of the serving BS of subscriber equipment.

101, when receiving access capability instruction or the access request of this subscriber equipment transmission, determine an AP set, wherein an AP set comprises at least one AP, and the access capability instruction that this subscriber equipment sends is for representing that this subscriber equipment can access WLAN by AP.

102, according to an AP set, send the information of an AP set to this subscriber equipment, so that this subscriber equipment determines according to the information that an AP gathers the access AP accessing WLAN.

Optionally, one AP set information comprise following one or more, the channel number of at least one AP in the one AP set, the identification information of at least one AP in the one AP set, the beacon channel information of at least one AP in the one AP set, the security parameter of at least one AP of the one AP set, the transmit signal strength of the one AP set, the transmission signal quality of the one AP set, the beacon channel information of at least one AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of at least one AP in an AP set, the security parameter of at least one AP of the one AP set comprises key for accessing and/or authentication type.

The transmitting time point of beacon channel refers to the relative time information of beacon channel relative to the reference time of mobile network cell.The reference time of mobile network cell can be System Frame Number, can also be continuous frame number.Subscriber equipment is according to the relative time of this beacon channel, with the reference time of mobile network cell, calculate the possible time of occurrence of beacon channel, to accelerate the search of AP, the reference time of the mobile network cell of such as beacon channel is SFN (System Frame Number, System Frame Number) 1, cycle is 100 milliseconds, because each SFN time span is 10 milliseconds, so the reference time point that beacon channel may occur is SFN1, SFN11, SFN21, therefore, subscriber equipment can wait for the appearance of beacon channel always, can at reference time point ability removal search beacon channel to improve search efficiency, accelerate search time.

Optionally, the identification information of the AP in above-mentioned set, access AP is unique identification that can be corresponding with this AP, such as Basic Service Set Identification (Basic Service Set Identifier, BSSID), service set (Service Set Identifier, SSID), extended service set identification (Extended, ServiceSet Identifier, ESSID), medium education (Medium Access Control, MAC) address etc.

According to above-mentioned method, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

Fig. 2 is the indicative flowchart of the WLAN cut-in method according to the embodiment of the present invention.The method of Fig. 2 is performed by subscriber equipment.

201, base station controller to the serving BS of this subscriber equipment sends access capability instruction or the access request of this subscriber equipment, so that hold office in this base station, it determines an AP set when receiving the instruction of this access capability or access request, wherein an AP set comprises at least one AP, and the access capability instruction that this subscriber equipment sends is for representing that this subscriber equipment can access WLAN by AP.

202, receive the information of the AP set that this base station controller sends.

203, according to the information of an AP set, determine the access AP accessing WLAN.

Optionally, the identification information of the AP in above-mentioned set, access AP is unique identification that can be corresponding with this AP, such as BSSID, SSID, ESSID, MAC Address etc.

Fig. 3 is the indicative flowchart of the WLAN cut-in method according to the embodiment of the present invention.

301, subscriber equipment sends access capability instruction or access request to the base station controller of the serving BS of this subscriber equipment.Wherein, the instruction of this access capability is for representing that this subscriber equipment can access WLAN by AP.

Optionally, the instruction of this access capability and this access request can be carried in wireless heterogeneous networks (RadioResource Control, RRC) connection establishment request message or RRC connection setup complete message.Wherein RRC sets up request message is the Article 1 message that subscriber equipment sends to mobile network, and it is the Article 1 specific messages that subscriber equipment sends to mobile network that RRC has set up message.Use RRC sets up request message or RRC has set up the instruction of this access capability of message bearing and this access request, contributes to base station controller and carries out WLAN access control fast according to this access request.

302, this base station controller, when receiving the instruction of this access capability or access request, determines an AP set, and wherein an AP set comprises at least one AP.

303, this base station controller is gathered according to an AP, sends the information of an AP set to this subscriber equipment.

Optionally, one AP set information comprise following one or more, the channel number of at least one AP in the one AP set, the identification information of at least one AP in the one AP set, the beacon channel information of at least one AP in the one AP set, the security parameter of at least one AP of the one AP set, the transmission signal quality of at least one AP of the one AP set, the transmit signal strength of at least one AP of the one AP set, the beacon channel information of at least one AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of at least one AP in an AP set, the security parameter of at least one AP of the one AP set comprises key for accessing and/or authentication type.

Optionally, the information of an AP set can be carried in RRC connection establishment message, RRC connection release message or Survey control message.When the information of an AP set is carried on RRC connection release message, the release of this base station controller is connected with the RRC of this subscriber equipment.

304, this subscriber equipment, when receiving the information of an AP set, determines the access AP accessing WLAN from least one AP of an AP set.

Optionally, when only comprising an AP in an AP set, this subscriber equipment determines that access AP is this AP.This subscriber equipment can also according to the information of an AP set, determine following one or more: the signal strength signal intensity of at least one AP of an AP set, the signal quality of at least one AP of an AP set, the path loss of at least one AP of an AP set.This subscriber equipment can to select in an AP set signal quality or the best AP of signal strength signal intensity as this access AP, and AP that in an AP set, path loss is minimum can also be selected as this access AP.

305, this subscriber equipment, when receiving the information of an AP set, can determine the 2nd AP set from least one AP of an AP set, and wherein the 2nd AP set comprises at least one AP.

Optionally, this subscriber equipment is when receiving the information of an AP set, can according to the information of an AP set, determine following one or more: the signal strength signal intensity of at least one AP of an AP set, the signal quality of at least one AP of an AP set, the path loss of at least one AP of an AP set.This subscriber equipment according to pre-conditioned, can determine the AP in the 2nd AP set from least one AP of an AP set.Such as, this subscriber equipment can determine that signal quality or the signal strength signal intensity AP higher than specified threshold is as the AP in the 2nd AP set, and this subscriber equipment can also according to special ratios determination signal quality or the forward AP of signal strength signal intensity rank as the AP in the 2nd AP set.It should be noted that said method is example, determine that the method for AP in the 2nd AP set is not limited to said method.

306, this subscriber equipment is gathered according to the 2nd AP, sends the information of the 2nd AP set to this base station controller.

Optionally, the information of the 2nd AP set comprises: the first information and the second information, this first information comprise following one or more: the signal quality of at least one AP in the 2nd AP set, the signal strength signal intensity of at least one AP in the 2nd AP set, the path loss of at least one AP in the 2nd AP set, this second information comprise following one or more: the channel number of at least one AP in the 2nd AP set, the identification information of at least one AP in the 2nd AP set, the beacon channel information of at least one AP in the 2nd AP set, the beacon channel information of the AP in the 2nd AP set is transmitting time point and the cycle of the beacon channel of at least one AP in the 2nd AP set.

307, the 3rd AP set determined by this base station controller from least one AP that the 2nd AP gathers, and wherein the 3rd AP set comprises at least one AP.

Optionally, this base station controller according to pre-conditioned, can determine the 3rd AP set from least one AP of the 2nd AP set.Such as, this base station controller can determine that signal quality or the signal strength signal intensity AP higher than specified threshold is as the AP in the 3rd AP set, this base station controller can also according to special ratios determination signal quality or the forward AP of signal strength signal intensity rank as the AP in the 3rd AP set, this base station controller can also determine the AP in the 3rd AP set according to other information of at least one AP in the 2nd AP set (such as load, the information such as the Congestion Level SPCC of passback carrying).It should be noted that said method is example, determine that the method for AP in the 3rd AP set is not limited to said method.

308, this base station controller is gathered according to the 3rd AP, sends the information of the 3rd AP set to this subscriber equipment.

Optionally, 3rd AP set information comprise following one or more, the channel number of at least one AP in the 3rd AP set, the identification information of at least one AP in the 3rd AP set, the beacon channel information of at least one AP in the 3rd AP set, the security parameter of at least one AP of the 3rd AP set, the transmit signal strength of at least one AP in the 3rd AP set, the transmission signal quality of at least one AP in the 3rd AP set, the beacon channel information of at least one AP wherein in the 3rd AP set is transmitting time point and the cycle of the beacon channel of at least one AP in the 3rd AP set, the security parameter of at least one AP of the 3rd AP set comprises key for accessing and/or authentication type.

309, this subscriber equipment determines the access AP accessing WLAN from the 3rd AP set.

Optionally, when only having an AP in the 3rd AP set, this access AP is this AP.When having a more than one AP in the 3rd AP set, this subscriber equipment can select signal quality in the 3rd AP set or the best AP of signal strength signal intensity as this access AP, and AP that in the 3rd AP set, path loss is minimum can also be selected as this access AP.Signal strength signal intensity, signal quality or path loss wherein in the 3rd AP set can be that the information that this subscriber equipment is gathered according to the 3rd AP is determined.

It should be noted that subscriber equipment can be determined to access AP by performing step 304, or subscriber equipment can also be determined to access AP by performing step 305 to step 309.If subscriber equipment is determined to access AP by performing step 304, then can determine fast to access AP; If subscriber equipment is determined to access AP by performing step 305 to step 309, then can determine signal quality and/or the better AP of signal strength signal intensity.

310, this subscriber equipment maybe this access AP sends the identification information of this access AP to this base station controller.

Optionally, this subscriber equipment can after determining this access AP, send the identification information of this access AP to this base station controller, this subscriber equipment determining this access AP and being accessed after WLAN by this access AP, can also send the identification information of this access AP to this base station controller.This access AP can send the identification information of this access AP after the access of this subscriber equipment to this base station controller.

311, this base station controller is after the identification information receiving this access AP, and according to the positional information of this subscriber equipment, can determine the 4th AP set, wherein the 4th AP set comprises at least one AP.

Particularly, at least one AP that coverage can be comprised the position at this subscriber equipment place by this base station controller is defined as the AP in the 4th AP set, can also further coverage and this subscriber equipment can be searched at least one adjacent AP of the hunting zone of AP be defined as the 4th AP gather in AP.

Optionally, all AP of the 4th AP set can belong to an AP set or the 3rd AP gathers, or at least one AP in the 4th AP set can not belong to an AP set or the 3rd AP gathers.

312, this base station controller notifies that this subscriber equipment the 4th AP gathers.This subscriber equipment can use the 4th AP set to determine to switch target or candidate target set.

Optionally, in the 4th AP set, all AP belong to an AP set or the 3rd AP set, this base station controller only can send indication information to this subscriber equipment, and this subscriber equipment can determine the information of the 4th AP set from the information that information and/or the 3rd AP of the AP set received gather according to this indication information.

Optionally, when the 4th AP set gather with an AP or the 3rd AP gathers identical, this base station controller can notify that this subscriber equipment the 4th AP gathers and equal an AP and to gather or the 3rd AP gathers.This subscriber equipment can use an AP set or the 3rd AP set to determine to switch target or candidate target set.

Optionally, base station controller can also send the information of the 4th AP set to this subscriber equipment.

Optionally, the information of the 4th AP set comprise following one or more: the channel number of at least one AP in the 4th AP set, the identification information of at least one AP in the 4th AP set, the beacon channel information of at least one AP in the 4th AP set, the security parameter of at least one AP of the 4th AP set, the transmit signal strength of at least one AP in 4th AP set, the transmission signal quality of at least one AP in 4th AP set, the beacon channel information of at least one AP wherein in the 4th AP set is transmitting time and the cycle of the beacon channel of at least one AP that the 4th AP is integrated into, described beacon channel transmitting time is the relative time relative to mobile network's reference time, the security parameter of at least one AP of the 4th AP set comprises key for accessing and/or authentication type.

313, this subscriber equipment receives the first thresholding or the first thresholding and the second thresholding that this base station controller sends.Optionally, step 313 can perform with following arbitrary step simultaneously: step 303, step 308, step 312.Step 313 as independent step, can also perform before or after the arbitrary step of step 302-step 312.

Optionally, the first thresholding and/or this second thresholding can be signal qualitys, also can be signal strength signal intensities.This metrical information is corresponding with this first thresholding and/or the second thresholding, can be signal quality, also can be signal strength signal intensity.

Optionally, when this subscriber equipment only receives this first thresholding, perform step 321.When this subscriber equipment receives the first thresholding and the second thresholding, following any one group of step can be performed: step 314 and step 320; Step 315, step 316 and step 320; Step 315, step 317, step 318, step 319 and step 320; Step 314 and step 321.

314, this subscriber equipment, after this second thresholding receiving the transmission of this base station controller, when the metrical information of this access AP measured is lower than this second thresholding, is determined to switch target.Wherein, this subscriber equipment is according to this second thresholding, and determining that this switching target can be AP, can also be this base station controller.

Particularly, subscriber equipment, after this access of access AP, needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this second thresholding, then the metrical information of at least one AP in the 4th AP set measured by this subscriber equipment.

When having at least one metrical information to be not less than the AP of this second thresholding in the 4th AP set, this subscriber equipment can be not less than the AP of this second thresholding from this at least one metrical information determines that an AP is as switching target (AP that such as selection signal quality or signal strength signal intensity are best).

Optionally, this subscriber equipment can also carry out verification process and/or association process by this base station controller and this AP, so that this AP confirms the identity of this subscriber equipment.

When subscriber equipment determines that this switching target is AP, perform step 320.

When not having metrical information to be not less than the AP of this second thresholding in the 4th AP set, this subscriber equipment determines that this switching target is for this base station controller.When subscriber equipment determines that switching target is base station controller, perform step 321.

315, this subscriber equipment is after this second thresholding receiving the transmission of this base station controller, and when the metrical information of this access AP measured is lower than this second thresholding, determine candidate target set, this candidate target set comprises at least one AP.

Particularly, subscriber equipment, after this access of access AP, needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this second thresholding, then the metrical information of at least one AP in the 4th AP set measured by this subscriber equipment.When having at least one metrical information to be not less than the AP of this second thresholding in the 4th AP set, this subscriber equipment can be not less than the AP of this second thresholding from this at least one metrical information determines this candidate target set.Such as, this subscriber equipment can determine that the AP of metrical information degree higher than specified threshold is as the AP in this candidate target set, and this subscriber equipment can also according to the forward AP of special ratios determination metrical information rank as the AP in this candidate target set.It should be noted that said method is example, determine that the method for AP in this candidate target set is not limited to said method.

316, this subscriber equipment can be determined to switch target from least one AP of this candidate target set.

Optionally, this subscriber equipment can also carry out certification and/or association process by least one AP in this base station controller and this candidate target set, so that at least one AP in this candidate target set confirms the identity of this subscriber equipment.Particularly, this subscriber equipment can send authentication information and/or related information by this base station controller at least one AP in this candidate target set.This subscriber equipment can select AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from completing in the AP of association and certification candidate target set.

317, this base station controller receives this candidate target set of this notification of user equipment.

Particularly, this subscriber equipment can send indication information to this base station controller, and this base station controller can determine the information of this candidate target set from the 4th AP set determined according to this indication information.This subscriber equipment can also send the information of this candidate target set to this base station controller.

Optionally, the information of this candidate target set comprises with the 3rd information and the 4th information, wherein the 3rd information comprise following one or more, the signal quality of at least one AP in this candidate target set, the signal strength signal intensity of at least one AP in this candidate target set, the path loss of at least one AP in this candidate target AP, 4th information comprise following one or more: the channel number of at least one AP in this candidate target set, the identification information of at least one AP in this candidate target set, the beacon channel information of at least one AP in this candidate target set, the beacon channel information of at least one AP wherein in this candidate target set is transmitting time and the cycle of the beacon channel of at least one AP that this candidate target is integrated into, described beacon channel transmitting time is the relative time relative to mobile network's reference time.

318, this base station controller is determined to switch target from least one AP of this candidate target set.

Optionally, this base station controller according to other information of at least one AP in the information of this candidate target set and/or this candidate target set (such as load, the information such as the Congestion Level SPCC of passback carrying), can determine this switching target.Such as this base station controller can select signal quality or the best AP of signal strength signal intensity as switching target.

Optionally, this subscriber equipment can also carry out certification and/or association process by least one AP in this base station controller and this candidate target set, so that at least one AP in this candidate target set confirms the identity of this subscriber equipment.Particularly, this subscriber equipment can send authentication information and/or related information by this base station controller at least one AP in this candidate target set.This base station controller can select AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from completing in the AP of association and certification candidate target set.

319, this base station controller notifies this switching target of this subscriber equipment.

Particularly, this base station controller can send indication information to this subscriber equipment, and this subscriber equipment can determine the information of this switching target from this candidate target set determined according to this indication information.This base station controller can also send the information of this switching target to this subscriber equipment.

Optionally, the information of this switching target comprise following one or more: the beacon channel information of the channel number of this switching target, the identification information of this switching target, this switching target, this switching target security parameter, wherein the beacon channel information of this switching target is transmitting time and the cycle of the beacon channel of this switching target, this beacon channel transmitting time is the relative time relative to mobile network's reference time, and the security parameter of this switching target comprises key for accessing and/or authentication type.

320, this subscriber equipment is determining that the metrical information of this access AP is lower than this first thresholding, and when this subscriber equipment determines that switching target is AP, disconnect the connection with this access AP, access this switching target, carry out data cube computation by this switching target, enter the Internet.Further, the identification information of this switching target can also be sent to this radio network controller by this subscriber equipment.Wherein this subscriber equipment determines that switching target is that the situation of AP comprises: this subscriber equipment directly can determine that this switching target is AP, this subscriber equipment can determine this switching target that this switching target or this subscriber equipment can also receive this base station controller and determine from this candidate target set.

321, this subscriber equipment in the metrical information of this access AP determined lower than this first thresholding, and when this subscriber equipment needs access base station controller, disconnect the connection with this access AP, access this base station controller, carry out data cube computation by this base station controller, enter the Internet.Wherein this subscriber equipment needs the situation of access base station controller to comprise: this subscriber equipment only receives this first thresholding, or this subscriber equipment is determined to switch target for this base station controller according to this second thresholding.

Particularly, subscriber equipment, after this access of access AP, needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this first thresholding, then subscriber equipment can send connection establishment request to this base station controller, or data transmission state message.Particularly, this subscriber equipment, when not being connected with base station controller, sends connection establishment request to base station controller, is connected to rebuild with this base station controller; When be connected with this base station controller do not discharge, data transmission state message is sent to this base station controller, so that the transfer of data of recovery and this base station controller, this data transmission state message comprises: measurement report, the message such as cell update request, further, this connection establishment request or this data transmission state message can also comprise for representing the disabled indication information of WLAN.Send after connection establishment request or data mode recover instruction at this subscriber equipment at base station controller, this subscriber equipment can disconnect and the connection of this access AP, accesses this base station controller, carries out data cube computation by this base station controller, enter the Internet.

Optionally, if subscriber equipment do not receive the first handoff threshold configuration or the access signal quality of AP or signal strength signal intensity also not lower than the first handoff threshold but access AP signal quality or signal strength signal intensity with time through being not enough to support the transmission of this customer equipment data, then subscriber equipment also can send connection establishment request directly to this base station controller, or data transmission state message.Particularly, this subscriber equipment, when not being connected with base station controller, sends connection establishment request to base station controller, is connected to rebuild with this base station controller; When be connected with this base station controller do not discharge, data transmission state message is sent to this base station controller, so that the transfer of data of recovery and this base station controller, this data transmission state message comprises: measurement report, the message such as cell update request, further, this connection establishment request or this data transmission state message can also comprise for representing the disabled indication information of WLAN.Send after connection establishment request or data mode recover instruction at this subscriber equipment at base station controller, this subscriber equipment can disconnect and the connection of this access AP, accesses this base station controller, carries out data cube computation by this base station controller, enter the Internet.

Optionally, the identification information of the AP in above-mentioned set, access AP and switching target is unique identification that can be corresponding with this AP, such as BSSID, SSID, ESSID, MAC Address etc.

According to said method, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

According to said method, base station controller can the notifying user equipment AP that can switch, and for assisting user equipment when the signal quality or signal strength signal intensity that access AP are poor, accesses the AP or base station controller that can switch.Subscriber equipment directly can access the AP or base station controller that can switch, and the password of the AP that can need not switch to operator request and switch time input this password, make the process of switching more level and smooth, smooth and easy.

Fig. 4 is the schematic block diagram of the base station controller of the embodiment of the present invention.Base station controller 400 is base station controllers of the serving BS of subscriber equipment, can to perform the above method in base station controller perform step.Base station controller 400 comprises: receiving element 401, control unit 402, transmitting element 403.

Receiving element 401, the access capability sent for receiving this subscriber equipment indicates or access request.

Control unit 402, for receive at receiving element 401 this subscriber equipment send access capability instruction or access request, determine the one AP set.

Transmitting element 403, for the AP set determined according to control unit 402, sends the information of an AP set, so that this subscriber equipment determines according to the information that an AP gathers the access AP accessing WLAN to this subscriber equipment.

According to base station controller 400, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

Fig. 5 is the schematic block diagram of another base station controller of the embodiment of the present invention.Base station controller 500 is base station controllers of the serving BS of subscriber equipment, can to perform the above method in base station controller perform step.Base station controller 500 is embodiments for base station controller 400.Base station controller 500 comprises: receiving element 501, control unit 502, transmitting element 503.

Receiving element 501, the access capability sent for receiving subscriber equipment indicates or access request.Wherein, the instruction of this access capability is for representing that this subscriber equipment can access WLAN by AP.

Control unit 502, for receiving the instruction of this access capability or access request at receiving element 501, determines an AP set, and wherein an AP set comprises at least one AP.

Transmitting element 503, for the AP set determined according to control unit, sends the information of an AP set to this subscriber equipment.

Optionally, one AP set information comprise following one or more, the channel number of at least one AP in the one AP set, the identification information of at least one AP in the one AP set, the beacon channel information of at least one AP in the one AP set, the security parameter of at least one AP of the one AP set, the transmit signal strength of the one AP set, the transmission signal quality of the one AP set, the beacon channel information of at least one AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of at least one AP in an AP set, the security parameter of at least one AP of the one AP set comprises key for accessing and/or authentication type.Optionally, the information of an AP set can be carried in RRC connection establishment message, RRC connection release message or Survey control message.When the information of an AP set is carried on RRC connection release message, the release of this base station controller is connected with the RRC of this subscriber equipment.

Receiving element 501, also for receiving the information of the 2nd AP set that this subscriber equipment sends.

Control unit 502, also for determining the 3rd AP set from the 2nd AP set, wherein the 3rd AP set comprises at least one AP.

Optionally, control unit 502 according to pre-conditioned, can determine the 3rd AP set from least one AP of the 2nd AP set.Such as, control unit 502 can determine that signal quality or the signal strength signal intensity AP higher than specified threshold is as the AP in the 3rd AP set, control unit 502 can also according to special ratios determination signal quality or the forward AP of signal strength signal intensity rank as the AP in the 3rd AP set, control unit 502 can also determine the AP in the 3rd AP set according to other information of at least one AP in the 2nd AP set (such as load, the information such as the Congestion Level SPCC of passback carrying).It should be noted that said method is example, determine that the method for AP in the 3rd AP set is not limited to said method.

Transmitting element 503, the information also for the 3rd AP set determined by control unit 502 sends just to this subscriber equipment.

Receiving element 501, also for receiving the identification information of this access AP of subscriber equipment or access AP transmission.

Optionally, this access AP can be that this subscriber equipment is determined from an AP set, and this access AP can also be that this subscriber equipment is determined from the 3rd AP set.If subscriber equipment is determined to access AP from an AP set, then can determine fast to access AP; If subscriber equipment is determined to access AP from the 3rd AP set, then can determine signal quality and/or the better AP of signal strength signal intensity.

Control unit 502, also for after receiving the identification information of this access AP at receiving element 501, according to the positional information of this subscriber equipment, determines the 4th AP set, and wherein the 4th AP set comprises at least one AP.

Particularly, at least one AP that coverage can be comprised the position at this subscriber equipment place by control unit 502 is defined as the AP in the 4th AP set, can also further coverage and this subscriber equipment can be searched at least one adjacent AP of the hunting zone of AP be defined as the 4th AP gather in AP.

Transmitting element 503, also for notifying that this subscriber equipment the 4th AP gathers.This subscriber equipment can use the 4th AP set to determine to switch target or candidate target set.

Optionally, in the 4th AP set, all AP belong to an AP set or the 3rd AP set, transmitting element 503 only can send indication information to this subscriber equipment, and this subscriber equipment can determine the information of the 4th AP set from the information that information and/or the 3rd AP of the AP set received gather according to this indication information.

Optionally, when the 4th AP set gather with an AP or the 3rd AP gathers identical, transmitting element 503 can notify that this subscriber equipment the 4th AP gathers and equal an AP and to gather or the 3rd AP gathers.This subscriber equipment can use an AP set or the 3rd AP set to determine to switch target or candidate target set.

Transmitting element 503, also for sending the first thresholding or the first thresholding and the second thresholding to this subscriber equipment.

Optionally, the information that this first thresholding or this first thresholding and this second thresholding and an AP can gathers by transmitting element 503 or the information that the 3rd AP gather send simultaneously, or send before or after the information of the information gathered at transmission the one AP or the 3rd AP set.Transmitting element 503 can also send this first thresholding or this first thresholding and this second thresholding when notifying the 4th AP set simultaneously, also can send this first thresholding or this first thresholding or this second thresholding before or after notifying the 4th AP set.

Receiving element 501, also for receiving the candidate target set of this notification of user equipment.

Particularly, receiving element 501 can receive the indication information that this subscriber equipment sends, and control unit 502 according to this indication information, can determine the information of this candidate target set from the 4th AP set determined.Receiving element 501 can also receive the information of the candidate target set that this subscriber equipment sends.

Control unit 502, also switches target for determining from least one AP of this candidate target set.

Optionally, control unit 502 according to other information of at least one AP in the information of this candidate target set and/or this candidate target set (such as load, the information such as the Congestion Level SPCC of passback carrying), can determine this switching target.Such as control unit 502 can select signal quality or the best AP of signal strength signal intensity as switching target.

Receiving element 501, also for receiving authentication information and/or the related information of the transmission of this subscriber equipment, transmitting element 503, also for forwarding this authentication information and/or related information at least one AP in candidate target set.Control unit 502, also for selecting AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from the AP completing association and/or certification.

Transmitting element 503, also gives this subscriber equipment for the switching goal notification determined by control unit 502.

Particularly, transmitting element 503 can send indication information to this subscriber equipment, and this subscriber equipment can determine the information of this switching target from this candidate target set determined according to this indication information.Transmitting element 503 can also send the information of this switching target to this subscriber equipment.

Optionally, the information of this switching target comprise following one or more: the channel number of this switching target, the identification information of this switching target, the beacon channel information of this switching target, the security parameter of this switching target, wherein the beacon channel information of this switching target is transmitting time and the cycle of the beacon channel of this switching target, this beacon channel transmitting time is the relative time relative to mobile network's reference time, and the security parameter of this switching target comprises key for accessing and/or authentication type.

Receiving element 501, also for being AP in switching target, and this AP is this subscriber equipment when determining, receives the identification information of this switching target that this subscriber equipment and/or this switching target send.

Receiving element 501, also for receiving connection establishment request or the data transmission state message of the transmission of this subscriber equipment.

Control unit 502, also for when receiving element 501 receives connection establishment request, re-establishes with this subscriber equipment and is connected.Or control unit 502, also for when receiving element 501 receives data transmission state message, recovers to be connected with this subscriber equipment.

Optionally, this data transmission state message comprises: measurement report, and the message such as cell update request, further, this connection establishment request or this data transmission state message can also comprise for representing the disabled indication information of WLAN.

Optionally, the identification information of the AP in above-mentioned set, access AP, switching target is unique identification that can be corresponding with this AP, such as BSSID, SSID, ESSID, MAC Address etc.

According to base station controller 500, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

According to base station controller 500, base station controller can the notifying user equipment AP that can switch, and for assisting user equipment when the signal quality or signal strength signal intensity that access AP are poor, accesses the AP or base station controller that can switch.Subscriber equipment directly can access the AP or base station controller that can switch, and the password of the AP that can need not switch to operator request and switch time input this password, make the process of switching more level and smooth, smooth and easy.

Fig. 6 is the schematic block diagram of the subscriber equipment of the embodiment of the present invention.Subscriber equipment 600, can to perform the above method in subscriber equipment perform step.Subscriber equipment 600 comprises: transmitting element 601, receiving element 602, control unit 603.

Transmitting element 601, base station controller for from the serving BS to this subscriber equipment sends access capability instruction or the access request of this subscriber equipment, so that hold office in this base station, it determines an AP set when receiving the instruction of this access capability or access request, wherein an AP set comprises at least one AP, and the access capability instruction that this subscriber equipment sends is for representing that this subscriber equipment can access WLAN by AP.

Receiving element 602, for receiving the information of the AP set that this base station controller sends.

Control unit 603, for the information according to an AP set, determines the access AP accessing WLAN.

According to subscriber equipment 600, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

Fig. 7 is the schematic block diagram of another subscriber equipment of the embodiment of the present invention.Subscriber equipment 700 can to perform the above method in subscriber equipment perform step.Subscriber equipment 700 is embodiments for subscriber equipment 600.Subscriber equipment 700 comprises: transmitting element 701, receiving element 702, control unit 703.

Transmitting element 701, the base station controller for the serving BS to subscriber equipment 700 sends access capability instruction or access request.Wherein, the instruction of this access capability is for representing that subscriber equipment 700 can access WLAN by AP.

Receiving element 702, with this base station controller of reception when receiving the instruction of this access capability or access request, the information of the AP set determined, wherein this first base station comprises at least one AP.

Control unit 703, for determining the access AP accessing WLAN at least one AP from the AP received.

Optionally, when only comprising an AP in an AP set, control unit 703 determines that access AP is this AP.Control unit 703 can also according to the information of an AP set, determine following one or more: the signal strength signal intensity of at least one AP of an AP set, the signal quality of at least one AP of an AP set, the path loss of at least one AP of an AP set.Control unit 703 can to select in an AP set signal quality or the best AP of signal strength signal intensity as this access AP, and AP that in an AP set, path loss is minimum can also be selected as this access AP.

Control unit 703, can also be used for determining the 2nd AP set from least one AP of the AP set received, wherein the 2nd AP set comprises at least one AP.

Optionally, control unit 703, can according to the information of an AP set, determine following one or more: the signal strength signal intensity of at least one AP of an AP set, the signal quality of at least one AP of an AP set, the path loss of at least one AP of an AP set.Control unit 703 according to pre-conditioned, can determine the AP in the 2nd AP set from least one AP of an AP set.Such as, control unit 703 can determine that signal quality or the signal strength signal intensity AP higher than specified threshold is as the AP in the 2nd AP set, and control unit 703 can also according to special ratios determination signal quality or the forward AP of signal strength signal intensity rank as the AP in the 2nd AP set.It should be noted that said method is example, determine that the method for AP in the 2nd AP set is not limited to said method.

Transmitting element 701, can also be used for, according to the 2nd AP set, sending the information of the 2nd AP set to this base station controller.

Receiving element 702, can also be used for the information receiving the 3rd AP set that this base station controller is determined from the 2nd AP set.

Control unit 703, can also be used for the access AP determining accessing WLAN from least one AP of the 3rd AP set.

Optionally, when only having an AP in the 3rd AP set, this access AP is this AP.When having a more than one AP in the 3rd AP set, control unit 703 can select signal quality in the 3rd AP set or the best AP of signal strength signal intensity as this access AP, and AP that in the 3rd AP set, path loss is minimum can also be selected as this access AP.Signal strength signal intensity, signal quality or path loss wherein in the 3rd AP set can be that the information that control unit 703 is gathered according to the 3rd AP is determined.

It should be noted that subscriber equipment can directly be determined to access AP from an AP set, or subscriber equipment can also be determined to access AP by the 2nd AP set and the 3rd AP set.If subscriber equipment is directly determined to access AP from an AP set, then can determine fast to access AP; If subscriber equipment is determined to access AP by the 2nd AP set and the 3rd AP set, then can determine signal quality and/or the better AP of signal strength signal intensity.

Transmitting element 701, also for sending the identification information of this access AP to this base station controller.

Receiving element 702, the 4th AP also for receiving this base station controller notice combines.

Optionally, in the 4th AP set, all AP belong to an AP set or the 3rd AP set, receiving element 702 can receive the indication information that this base station controller sends to subscriber equipment 700, and control unit 703 can determine the information of the 4th AP set from the information that information and/or the 3rd AP of the AP set received gather according to this indication information.

Optionally, when the 4th AP set gather with an AP or the 3rd AP gathers identical, receiving element 702 can receive the notice of this base station controller, and this notice equals an AP to gather or the 3rd AP gathers for representing that the 4th AP gathers.Subscriber equipment 700 can use an AP set or the 3rd AP set to determine to switch target or candidate target set.

Optionally, receiving element 702 can receive the information of the 4th AP set.

Receiving element 702, also for receiving the first thresholding or the first thresholding and the second thresholding that this base station controller sends.

Control unit 703, also for after receiving this second thresholding at receiving element 702, when the metrical information of this access AP measured is lower than this second thresholding, determines to switch target.Wherein, control unit 703 is according to this second thresholding, and determining that this switching target can be AP, can also be this base station controller.

Particularly, subscriber equipment is after this access of access AP, and control unit 703 needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this second thresholding, then control unit 703 measures the metrical information of at least one AP in the 4th AP set.

When having at least one metrical information to be not less than the AP of this second thresholding in the 4th AP set, control unit 703 can be not less than the AP of this second thresholding from this at least one metrical information determines that an AP is as switching target (AP that such as selection signal quality or signal strength signal intensity are best).

Optionally, subscriber equipment 700 can also carry out verification process and/or association process by this base station controller and this AP, so that this AP confirms the identity of this subscriber equipment.

When not having metrical information to be not less than the AP of this second thresholding in the 4th AP set, control unit 703 determines that this switching target is for this base station controller.

Control unit 703, also for after receiving this second thresholding at receiving element 702, when the metrical information of this access AP measured is lower than this second thresholding, determine candidate target set, this candidate target set comprises at least one AP.

Particularly, subscriber equipment is after this access of access AP, and control unit 703 needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this second thresholding, then control unit 703 measures the metrical information of at least one AP in the 4th AP set.When having at least one metrical information to be not less than the AP of this second thresholding in the 4th AP set, control unit 703 can be not less than the AP of this second thresholding from this at least one metrical information determines this candidate target set.Such as, control unit 703 can determine that the AP of metrical information degree higher than specified threshold is as the AP in this candidate target set, and control unit 703 can also according to the forward AP of special ratios determination metrical information rank as the AP in this candidate target set.It should be noted that said method is example, determine that the method for AP in this candidate target set is not limited to said method.

Control unit 703, can also be used for determining to switch target from least one AP of this candidate target set.

Optionally, subscriber equipment 700 can also carry out certification and/or association process by least one AP in this base station controller and this candidate target set, so that at least one AP in this candidate target set confirms the identity of this subscriber equipment.Transmitting element 701, can also be used for can sending authentication information and/or related information by this base station controller at least one AP in this candidate target set.Control unit 703 can select AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from completing in the AP of association and certification candidate target set.

Transmitting element 701, can also be used for notifying this candidate target set of this base station controller.

Optionally, transmitting element 701 can send indication information to this base station controller, and this base station controller can determine the information of this candidate target set from the 4th AP set determined according to this indication information.Transmitting element 701 can also send the information of this candidate target set to this base station controller.

Optionally, subscriber equipment 700 can also carry out certification and/or association process by least one AP in this base station controller and this candidate target set, so that at least one AP in this candidate target set confirms the identity of this subscriber equipment.Particularly, transmitting element 701 can send authentication information and/or related information by this base station controller at least one AP in this candidate target set.This base station controller can select AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from completing in the AP of association and certification candidate target set.

Receiving element 702, can also be used for the switching target receiving this base station controller notice.

Particularly, receiving element 702 can receive the indication information that this base station controller sends to this subscriber equipment, and control unit 703 can determine the information of this switching target from this candidate target set determined according to this indication information.Receiving element 702 can receive the information of this switching target that this base station controller sends to this subscriber equipment.

Optionally, the information of this candidate target set comprise following one or more: the channel number of this switching target, the identification information of this switching target, the beacon channel information of this switching target, the security parameter of this switching target, wherein the beacon channel information of this switching target is transmitting time and the cycle of the beacon channel of this switching target, and described beacon channel transmitting time is comprise key for accessing and/or authentication type relative to the relative time of mobile network's reference time, the security parameter of this switching target.

Control unit 703, can also be used for determining that the metrical information of this access AP is lower than this first thresholding, and when control unit 703 determines that switching target is AP, disconnect the connection with this access AP, access this switching target, carry out data cube computation by this switching target, enter the Internet.Further, transmitting element 701, can also be used for the identification information of this switching target to send to this radio network controller.Wherein control unit 703 determines that switching target is that the situation of AP comprises: control unit 703 directly can determine that this switching target is AP, control unit 703 can determine this switching target that this switching target or receiving element 702 can also receive this base station controller and determine from this candidate target set.

Control unit 703, metrical information at this access AP determined can also be used for lower than this first thresholding, and this subscriber equipment is when needing access base station controller, disconnect the connection with this access AP, access this base station controller, carry out data cube computation by this base station controller, enter the Internet.Wherein this subscriber equipment needs the situation of access base station controller to comprise: receiving element 702 only receives this first thresholding, or control unit 703 is determined to switch target for this base station controller according to this second thresholding.

Particularly, subscriber equipment 700 is after this access of access AP, and control unit 703 needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this first thresholding, then transmitting element 701, can also be used for sending connection establishment request to this base station controller, or data transmission state message.Particularly, this subscriber equipment is not when being connected with base station controller, and transmitting element 701 sends connection establishment request to base station controller, is connected to rebuild with this base station controller; When be connected with this base station controller do not discharge, transmitting element 701 sends data transmission state message to this base station controller, so that the transfer of data of recovery and this base station controller, this data transmission state message comprises: measurement report, the message such as cell update request, further, this connection establishment request or this base station data transmission state message can also comprise for representing the disabled indication information of WLAN.At transmitting element 701 after send connection establishment request or data mode recovery instruction to base station controller, control unit 703 can control the connection of disconnection and this access AP, access this base station controller, carry out data cube computation by this base station controller, enter the Internet.

Optionally, if receiving element 702 do not receive the first handoff threshold configuration or control unit 703 determine to access the signal quality of AP or signal strength signal intensity also not lower than the first handoff threshold but the signal quality of access AP or signal strength signal intensity with time through being not enough to supporting user equipment 700 transfer of data, then transmitting element 701 also can send connection establishment request directly to this base station controller, or data transmission state message.Particularly, this subscriber equipment is not when being connected with base station controller, and transmitting element 701 sends connection establishment request to base station controller, is connected to rebuild with this base station controller; When be connected with this base station controller do not discharge, transmitting element 701 sends data transmission state message to this base station controller, so that the transfer of data of recovery and this base station controller, this data transmission state message comprises: measurement report, the message such as cell update request, further, this connection establishment request or this base station data transmission state message can also comprise for representing the disabled indication information of WLAN.At transmitting element 701 after send connection establishment request or data mode recovery instruction to base station controller, control unit 703 can control the connection of disconnection and this access AP, access this base station controller, carry out data cube computation by this base station controller, enter the Internet.

According to subscriber equipment 700, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

According to subscriber equipment 700, base station controller can the notifying user equipment AP that can switch, and for assisting user equipment when the signal quality or signal strength signal intensity that access AP are poor, accesses the AP or base station controller that can switch.Subscriber equipment directly can access the AP or base station controller that can switch, and the password of the AP that can need not switch to operator request and switch time input this password, make the process of switching more level and smooth, smooth and easy.

Another embodiment of the present invention provides a kind of base station controller.This base station controller is the base station controller of the serving BS of subscriber equipment, can to perform the above method in base station controller perform step.Base station controller comprises: receiver, processor, transmitter.

This receiver, the access capability sent for receiving subscriber equipment indicates or access request.Wherein, the instruction of this access capability is for representing that this subscriber equipment can access WLAN by AP.

This processor, for receiving the instruction of this access capability or access request at this receiver, determines an AP set, and wherein an AP set comprises at least one AP.

This transmitter, for the AP set determined according to control unit, sends the information of an AP set to this subscriber equipment.

This receiver, also for receiving the information of the 2nd AP set that this subscriber equipment sends.

This processor, also for determining the 3rd AP set from the 2nd AP set, wherein the 3rd AP set comprises at least one AP.

Optionally, this processor according to pre-conditioned, can determine the 3rd AP set from least one AP of the 2nd AP set.Such as, this processor can determine that signal quality or the signal strength signal intensity AP higher than specified threshold is as the AP in the 3rd AP set, this processor can also according to special ratios determination signal quality or the forward AP of signal strength signal intensity rank as the AP in the 3rd AP set, this processor can also determine the AP in the 3rd AP set according to other information of at least one AP in the 2nd AP set (such as load, the information such as the Congestion Level SPCC of passback carrying).It should be noted that said method is example, determine that the method for AP in the 3rd AP set is not limited to said method.

This transmitter, the information also for the 3rd AP set determined by this processor sends just to this subscriber equipment.

This receiver, also for receiving the identification information of this access AP of subscriber equipment or access AP transmission.

This processor, also for after receiving the identification information of this access AP at this receiver, according to the positional information of this subscriber equipment, determines the 4th AP set, and wherein the 4th AP set comprises at least one AP.

Particularly, at least one AP that coverage can be comprised the position at this subscriber equipment place by this processor is defined as the AP in the 4th AP set, can also further coverage and this subscriber equipment can be searched at least one adjacent AP of the hunting zone of AP be defined as the 4th AP gather in AP.

This transmitter, also for notifying that this subscriber equipment the 4th AP gathers.This subscriber equipment can use the 4th AP set to determine to switch target or candidate target set.

Optionally, in the 4th AP set, all AP belong to an AP set or the 3rd AP set, this transmitter only can send indication information to this subscriber equipment, and this subscriber equipment can determine the information of the 4th AP set from the information that information and/or the 3rd AP of the AP set received gather according to this indication information.

Optionally, when the 4th AP set gather with an AP or the 3rd AP gathers identical, this transmitter can notify that this subscriber equipment the 4th AP gathers and equal an AP and to gather or the 3rd AP gathers.This subscriber equipment can use an AP set or the 3rd AP set to determine to switch target or candidate target set.

This transmitter, also for sending the first thresholding or the first thresholding and the second thresholding to this subscriber equipment.

Optionally, the information that this first thresholding or this first thresholding and this second thresholding and an AP can gathers by this transmitter or the information that the 3rd AP gather send simultaneously, or send before or after the information of the information gathered at transmission the one AP or the 3rd AP set.This transmitter can also send this first thresholding or this first thresholding and this second thresholding when notifying the 4th AP set simultaneously, also can send this first thresholding or this first thresholding or this second thresholding before or after notifying the 4th AP set.

This receiver, also for receiving the candidate target set of this notification of user equipment.

Particularly, receiver can receive the indication information that this subscriber equipment sends, and this processor according to this indication information, can determine the information of this candidate target set from the 4th AP set determined.This receiver can also receive the information of the candidate target set that this subscriber equipment sends.

This processor, also switches target for determining from least one AP of this candidate target set.

Optionally, this processor according to other information of at least one AP in the information of this candidate target set and/or this candidate target set (such as load, the information such as the Congestion Level SPCC of passback carrying), can determine this switching target.Such as this processor can select signal quality or the best AP of signal strength signal intensity as switching target.

This receiver, also for receiving authentication information and/or the related information of the transmission of this subscriber equipment, this transmitter, also for forwarding this authentication information and/or related information at least one AP in candidate target set.This processor, also for selecting AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from the AP completing association and/or certification.

This transmitter, also gives this subscriber equipment for the switching goal notification determined by this processor.

Particularly, this transmitter can send indication information to this subscriber equipment, and this subscriber equipment can determine the information of this switching target from this candidate target set determined according to this indication information.This transmitter can also send the information of this switching target to this subscriber equipment.

Optionally, the information of this switching target comprise following one or more: the channel number of this switching target, the identification information of this switching target, the beacon channel information of this switching target, the security parameter of this switching target, wherein the beacon channel information of this switching target is transmitting time and the cycle of the beacon channel of this switching target, described beacon channel transmitting time is the relative time relative to mobile network's reference time, and the security parameter of this switching target comprises key for accessing and/or authentication type.

This receiver, also for being AP in switching target, and this AP is this subscriber equipment when determining, receives the identification information of this switching target that this subscriber equipment and/or this switching target send.

This receiver, also for receiving connection establishment request or the data transmission state message of the transmission of this subscriber equipment.

This processor, also for when this receiver receives connection establishment request, re-establishes with this subscriber equipment and is connected.Or this processor, also for when this receiver receives data transmission state message, recovers to be connected with this subscriber equipment.

According to this base station controller, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

According to this base station controller, base station controller can the notifying user equipment AP that can switch, and for assisting user equipment when the signal quality or signal strength signal intensity that access AP are poor, accesses the AP or base station controller that can switch.Subscriber equipment directly can access the AP or base station controller that can switch, and the password of the AP that can need not switch to operator request and switch time input this password, make the process of switching more level and smooth, smooth and easy.

Another embodiment of the present invention provides a kind of subscriber equipment.This subscriber equipment can to perform the above method in subscriber equipment perform step.This subscriber equipment comprises: transmitter, receiver, processor.

This transmitter, the base station controller for the serving BS to this subscriber equipment sends access capability instruction or access request.Wherein, the instruction of this access capability is for representing that this subscriber equipment can access WLAN by AP.

This receiver, with this base station controller of reception when receiving the instruction of this access capability or access request, the information of the AP set determined, wherein this first base station comprises at least one AP.

Optionally, one AP set information comprise following one or more, the channel number of at least one AP in the one AP set, the identification information of at least one AP in the one AP set, the beacon channel information of at least one AP in the one AP set, the security parameter of at least one AP of the one AP set, the transmission signal quality of at least one AP of the one AP set, the transmit signal strength of at least one AP of the one AP set, the beacon channel information of at least one AP wherein in an AP set is transmitting time point and the cycle of the beacon channel of at least one AP in an AP set, the security parameter of at least one AP of the one AP set comprises for key and/or authentication type.

This processor, for determining the access AP accessing WLAN at least one AP from the AP received.

Optionally, when only comprising an AP in an AP set, this processor determines that access AP is this AP.This processor can also according to the information of an AP set, determine following one or more: the signal strength signal intensity of at least one AP of an AP set, the signal quality of at least one AP of an AP set, the path loss of at least one AP of an AP set.This processor can to select in an AP set signal quality or the best AP of signal strength signal intensity as this access AP, and AP that in an AP set, path loss is minimum can also be selected as this access AP.

This processor, can also be used for determining the 2nd AP set from least one AP of the AP set received, wherein the 2nd AP set comprises at least one AP.

Optionally, this processor, can according to the information of an AP set, determine following one or more: the signal strength signal intensity of at least one AP of an AP set, the signal quality of at least one AP of an AP set, the path loss of at least one AP of an AP set.This processor according to pre-conditioned, can determine the AP in the 2nd AP set from least one AP of an AP set.Such as, this processor can determine that signal quality or the signal strength signal intensity AP higher than specified threshold is as the AP in the 2nd AP set, and this processor can also according to special ratios determination signal quality or the forward AP of signal strength signal intensity rank as the AP in the 2nd AP set.It should be noted that said method is example, determine that the method for AP in the 2nd AP set is not limited to said method.

This transmitter, can also be used for, according to the 2nd AP set, sending the information of the 2nd AP set to this base station controller.

This receiver, can also be used for the information receiving the 3rd AP set that this base station controller is determined from the 2nd AP set.

This processor, can also be used for the access AP determining accessing WLAN from least one AP of the 3rd AP set.

Optionally, when only having an AP in the 3rd AP set, this access AP is this AP.When having a more than one AP in the 3rd AP set, this processor can select signal quality in the 3rd AP set or the best AP of signal strength signal intensity as this access AP, and AP that in the 3rd AP set, path loss is minimum can also be selected as this access AP.Signal strength signal intensity, signal quality or path loss wherein in the 3rd AP set can be that the information that this processor is gathered according to the 3rd AP is determined.

This transmitter, also for sending the identification information of this access AP to this base station controller.

This receiver, the 4th AP also for receiving this base station controller notice combines.

Optionally, in the 4th AP set, all AP belong to an AP set or the 3rd AP set, this receiver can receive the indication information that this base station controller sends to this subscriber equipment, and this processor can determine the information of the 4th AP set from the information that information and/or the 3rd AP of the AP set received gather according to this indication information.

Optionally, when the 4th AP set gather with an AP or the 3rd AP gathers identical, this receiver can receive the notice of this base station controller, and this notice equals an AP to gather or the 3rd AP gathers for representing that the 4th AP gathers.This subscriber equipment can use an AP set or the 3rd AP set to determine to switch target or candidate target set.

Optionally, this receiver can receive the information of the 4th AP set.

This receiver, also for receiving the first thresholding or the first thresholding and the second thresholding that this base station controller sends.

This processor, also for after receiving this second thresholding at this receiver, when the metrical information of this access AP measured is lower than this second thresholding, determines to switch target.Wherein, this processor is according to this second thresholding, and determining that this switching target can be AP, can also be this base station controller.

Particularly, subscriber equipment is after this access of access AP, and this processor needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this second thresholding, then the metrical information of at least one AP in the 4th AP set measured by this processor.

When having at least one metrical information to be not less than the AP of this second thresholding in the 4th AP set, this processor can be not less than the AP of this second thresholding from this at least one metrical information determines that an AP is as switching target (AP that such as selection signal quality or signal strength signal intensity are best).

When not having metrical information to be not less than the AP of this second thresholding in the 4th AP set, this processor determines that this switching target is for this base station controller.

This processor, also for after receiving this second thresholding at this receiver, when the metrical information of this access AP measured is lower than this second thresholding, determine candidate target set, this candidate target set comprises at least one AP.

Particularly, subscriber equipment is after this access of access AP, and this processor needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this second thresholding, then the metrical information of at least one AP in the 4th AP set measured by this processor.When having at least one metrical information to be not less than the AP of this second thresholding in the 4th AP set, this processor can be not less than the AP of this second thresholding from this at least one metrical information determines this candidate target set.Such as, this processor can determine that the AP of metrical information degree higher than specified threshold is as the AP in this candidate target set, and this processor can also according to the forward AP of special ratios determination metrical information rank as the AP in this candidate target set.It should be noted that said method is example, determine that the method for AP in this candidate target set is not limited to said method.

This processor, can also be used for determining to switch target from least one AP of this candidate target set.

Optionally, this subscriber equipment can also carry out certification and/or association process by least one AP in this base station controller and this candidate target set, so that at least one AP in this candidate target set confirms the identity of this subscriber equipment.This transmitter, can also be used for can sending authentication information and/or related information by this base station controller at least one AP in this candidate target set.This processor can select AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from completing in the AP of association and certification candidate target set.

This transmitter, can also be used for notifying this candidate target set of this base station controller.

Optionally, this transmitter can send indication information to this base station controller, and this base station controller can determine the information of this candidate target set from the 4th AP set determined according to this indication information.This transmitter can also send the information of this candidate target set to this base station controller.

Optionally, this subscriber equipment can also carry out certification and/or association process by least one AP in this base station controller and this candidate target set, so that at least one AP in this candidate target set confirms the identity of this subscriber equipment.Particularly, this transmitter can send authentication information and/or related information by this base station controller at least one AP in this candidate target set.This base station controller can select AP as switching target (such as can select signal quality or the best AP of signal strength signal intensity) from completing in the AP of association and certification candidate target set.

This receiver, can also be used for the switching target receiving this base station controller notice.

Particularly, this receiver can receive the indication information that this base station controller sends to this subscriber equipment, and this processor can determine the information of this switching target from this candidate target set determined according to this indication information.This receiver can receive the information of this switching target that this base station controller sends to this subscriber equipment.

Optionally, the information of this candidate target set comprise following one or more: the channel number of this switching target, the identification information of this switching target, the beacon channel information of this switching target, the security parameter of this switching target, wherein the beacon channel information of this switching target is transmitting time and the cycle of the beacon channel of this switching target, described beacon channel transmitting time is the relative time relative to mobile network's reference time, and the security parameter of this switching target comprises key for accessing and/or authentication type.

This processor, can also be used for determining that the metrical information of this access AP is lower than this first thresholding, and when this processor determines that switching target is AP, disconnect the connection with this access AP, access this switching target, carry out data cube computation by this switching target, enter the Internet.Further, this transmitter, can also be used for the identification information of this switching target to send to this radio network controller.Wherein this processor determines that switching target is that the situation of AP comprises: this processor directly can determine that this switching target is AP, this processor can determine this switching target that this switching target or this receiver can also receive this base station controller and determine from this candidate target set.

This processor, can also be used for metrical information at this access AP determined lower than this first thresholding, and when this subscriber equipment needs access base station controller, disconnect the connection with this access AP, access this base station controller, carry out data cube computation by this base station controller, enter the Internet.Wherein this subscriber equipment needs the situation of access base station controller to comprise: this receiver only receives this first thresholding, or this processor is determined to switch target for this base station controller according to this second thresholding.

Particularly, this subscriber equipment is after this access of access AP, and this processor needs the signal quality and/or the signal strength signal intensity that detect this access AP always.If the metrical information of this access AP (signal quality or signal strength signal intensity) is lower than this first thresholding, then this transmitter, can also be used for sending connection establishment request to this base station controller, or data transmission state message.Particularly, this subscriber equipment is not when being connected with base station controller, and this transmitter sends connection establishment request to base station controller, is connected to rebuild with this base station controller; When be connected with this base station controller do not discharge, this transmitter sends data transmission state message to this base station controller, so that the transfer of data of recovery and this base station controller, this data transmission state message comprises: measurement report, the message such as cell update request, further, this connection establishment request or this base station data transmission state message can also comprise for representing the disabled indication information of WLAN.At this transmitter after send connection establishment request or data mode recovery instruction to base station controller, this processor can control the connection of disconnection and this access AP, accesses this base station controller, carries out data cube computation by this base station controller, enters the Internet.

Optionally, if this receiver do not receive the first handoff threshold configuration or this processor determine to access the signal quality of AP or signal strength signal intensity also not lower than the first handoff threshold but the signal quality of access AP or signal strength signal intensity with time through being not enough to support the transmission of this customer equipment data, then this transmitter also can send connection establishment request directly to this base station controller, or data transmission state message.Particularly, this subscriber equipment is not when being connected with base station controller, and this transmitter sends connection establishment request to base station controller, is connected to rebuild with this base station controller; When be connected with this base station controller do not discharge, this transmitter sends data transmission state message to this base station controller, so that the transfer of data of recovery and this base station controller, this data transmission state message comprises: measurement report, the message such as cell update request, further, this connection establishment request or this base station data transmission state message can also comprise for representing the disabled indication information of WLAN.At this transmitter after send connection establishment request or data mode recovery instruction to base station controller, this processor can control the connection of disconnection and this access AP, accesses this base station controller, carries out data cube computation by this base station controller, enters the Internet.

According to this subscriber equipment, when subscriber equipment needs to access WLAN and then accessing Internet by AP, base station controller can notifying user equipment can AP, and then subscriber equipment can directly from available AP access WLAN, thus not necessarily to operator request password and access time input this password.

According to this subscriber equipment, base station controller can the notifying user equipment AP that can switch, and for assisting user equipment when the signal quality or signal strength signal intensity that access AP are poor, accesses the AP or base station controller that can switch.Subscriber equipment directly can access the AP or base station controller that can switch, and the password of the AP that can need not switch to operator request and switch time input this password, make the process of switching more level and smooth, smooth and easy.

Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.

Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.

In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.

The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.

If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random AccessMemory), magnetic disc or CD etc. various can be program code stored medium.

The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement; all should be encompassed within protection scope of the present invention, therefore protection scope of the present invention should be as the criterion with the protection range of claim.

Claims

1. a WLAN (wireless local area network) WLAN cut-in method, is characterized in that, described method is performed by the base station controller of the serving BS of subscriber equipment, comprising:

Determine that the first access point AP gathers, a wherein said AP set comprises at least one AP;

According to a described AP set, send the information of a described AP set to described subscriber equipment, so that described subscriber equipment determines according to the information of a described AP set access AP accessing WLAN;

Send the first thresholding to described subscriber equipment, described first thresholding is used for making described subscriber equipment access described base station controller.

2. the method for claim 1, is characterized in that,

The information of a described AP set comprise following one or more: the channel number of at least one AP described in a described AP set, the identification information of at least one AP described in a described AP set, the beacon channel information of at least one AP described in a described AP set, the security parameter of at least one AP described in a described AP set, the beacon channel information of the AP in a wherein said AP set is transmitting time point and the cycle of the beacon channel of at least one AP described in a described AP set, the security parameter of at least one AP described in a described AP set comprises key for accessing and/or authentication type.

3. method as claimed in claim 1 or 2, it is characterized in that, described method also comprises:

When receiving access capability instruction or the access request of described subscriber equipment transmission, determine a described AP set.

4. method as claimed in claim 1 or 2, it is characterized in that, described method also comprises:

Receive connection establishment request or the data transmission state message of the transmission of described subscriber equipment, wherein said connection establishment request is used for that described subscriber equipment is re-established with described base station controller and is connected, and described data transmission state message recovers the data transmission state with described base station controller for making described subscriber equipment.

5. method as claimed in claim 1 or 2, is characterized in that, the information of a described AP set is carried in radio resource control RRC connection establishment message, RRC connection release message or Survey control message.

6. method as claimed in claim 1 or 2, it is characterized in that, described base station controller is radio network controller (RNC) or evolution base station eNode B.

7. a WLAN (wireless local area network) WLAN cut-in method, is characterized in that, described method is performed by subscriber equipment, comprising:

The information that the first access point AP that the base station controller receiving the serving BS of described subscriber equipment sends gathers, a described AP set comprises at least one AP;

According to the information of a described AP set, determine the access AP accessing WLAN;

Receive the first thresholding that described base station controller sends;

According to described first thresholding, access described base station controller.

8. method as claimed in claim 7, is characterized in that, the information of a described AP set comprise following one or more:

9. method as claimed in claim 7 or 8, is characterized in that, the described information according to a described AP set, determines the access AP accessing WLAN, comprising:

Described access AP is determined from least one AP described in a described AP set.

10. method as claimed in claim 7 or 8, it is characterized in that, the described base station controller of described access, comprising:

Connection establishment request or data transmission state message is sent to described base station controller, wherein said connection establishment request is used for re-establishing with described base station controller being connected, and described data transmission state message is for recovering the data transmission state with described base station controller.

11. methods as claimed in claim 10, is characterized in that, described before described base station controller transmission connection establishment request or data transmission state message, also comprise:

Described subscriber equipment, after the described access AP of access, determines that the metrical information of described access AP is lower than described first thresholding.

12. methods as claimed in claim 10, is characterized in that, describedly send connection establishment request to described base station controller or data transmission state message comprises:

Described subscriber equipment, when not being connected with described base station controller, sends described connection establishment request to described base station controller, is connected to rebuild with described base station controller; Or,

Described subscriber equipment, when being connected with described base station controller when discharging, sends described data transmission state message to described base station controller, so that the transfer of data of recovery and described base station controller.

13. methods as claimed in claim 10, it is characterized in that, described data transmission state message comprises measurement report or cell update request.

14. methods as claimed in claim 7 or 8, is characterized in that, the information of a described AP set is carried in RRC connection establishment message, RRC connection release message or Survey control message.

15. methods as claimed in claim 7 or 8, it is characterized in that, described method also comprises:

Access capability instruction or the access request of described subscriber equipment is sent, so that a described AP set determined by described base station controller when receiving the instruction of described access capability or described access request to described base station controller.

16. methods as claimed in claim 15, is characterized in that, described access capability instruction and described access request are carried in radio resource control RRC connection establishment request message or RRC connection setup complete message.

17. methods as described in any one of claim 7-16, it is characterized in that, described base station controller is radio network controller (RNC) or evolution base station eNode B.

18. 1 kinds of base station controllers, is characterized in that, described base station controller is the base station controller of the serving BS of subscriber equipment, comprising:

Control unit, for determining that the first access point AP gathers, a wherein said AP set comprises at least one AP;

Transmitting element, for the described AP set determined according to described control unit, the information of a described AP set is sent, so that described subscriber equipment determines the access AP of accessing WLAN WLAN according to the information of a described AP set to described subscriber equipment;

Described transmitting element, also for sending the first thresholding to described subscriber equipment, described first thresholding is used for making described subscriber equipment access described base station controller.

19. base station controllers as claimed in claim 18, is characterized in that,

20. base station controllers as described in claim 18 or 19, it is characterized in that, described base station controller, also comprises:

Receiving element, the access capability sent for receiving described subscriber equipment indicates or access request;

Described control unit, specifically for receiving the described access capability instruction of described subscriber equipment transmission or described access request at described receiving element, determines a described AP set.

21. base station controllers as described in claim 18 or 19, it is characterized in that, described base station controller, also comprises:

Receiving element, for receiving connection establishment request or the data transmission state message of the transmission of described subscriber equipment.

22. base station controllers as described in claim 18 or 19, is characterized in that, the information of a described AP set is carried in radio resource control RRC connection establishment message, RRC connection release message or Survey control message.

23. 1 kinds of subscriber equipmenies, is characterized in that, comprising:

Receiving element, the information that the first access point AP that the base station controller for receiving the serving BS of described subscriber equipment sends gathers, a described AP set comprises at least one AP;

Control unit, the information that the described AP for receiving according to described receiving element gathers, determines the access AP of accessing WLAN WLAN;

Described receiving element, also for receiving the first thresholding that described base station controller sends;

Described control unit, also for controlling the described base station controller of access according to described first thresholding.

24. subscriber equipmenies as claimed in claim 23, is characterized in that, described one AP set information comprise following one or more:

25. subscriber equipmenies as described in claim 23 or 24, is characterized in that,

Described control unit, specifically for determining described access AP from least one AP described in a described AP set.

26. subscriber equipmenies as described in claim 23 or 24, it is characterized in that, described subscriber equipment also comprises: transmitting element, for sending connection establishment request or data transmission state message, to access described base station controller to described base station controller.

27. subscriber equipmenies as claimed in claim 26, it is characterized in that, before described transmitting element sends described connection establishment request or data transmission state message to described base station controller, described control unit, also for after the described access AP of access, determine that the metrical information of described access AP is lower than described first thresholding.

28. subscriber equipmenies as claimed in claim 26, it is characterized in that, described transmitting element, specifically for when not being connected with described base station controller, send described connection establishment request to described base station controller, be connected to rebuild with described base station controller; Or,

When being connected with described base station controller when discharging, send described data transmission state message to described base station controller, so that the transfer of data of recovery and described base station controller.

29. subscriber equipmenies as described in claim 23 or 24, it is characterized in that, described subscriber equipment, also comprise: transmitting element, for sending access capability instruction or the access request of described subscriber equipment to described base station controller, so that a described AP set determined by described base station controller when receiving the instruction of described access capability or described access request.