CN104247514B

CN104247514B - network migration method and device

Info

Publication number: CN104247514B
Application number: CN201380002101.6A
Authority: CN
Inventors: 赵君辉; 张宏卓; 曾清海; 钟涛
Original assignee: Huawei Technologies Co Ltd
Current assignee: XFusion Digital Technologies Co Ltd
Priority date: 2013-01-18
Filing date: 2013-01-18
Publication date: 2018-10-19
Anticipated expiration: 2033-01-18
Also published as: WO2014110818A1; CN104247514A

Abstract

The invention discloses a kind of network migration method and devices, are related to the communications field, for solving when user terminal is migrated from cellular network to wlan network, can not ensure the quality of service of user terminal, also result in the relatively low problem of the resource utilization of communication network.Method provided by the invention includes：Base station sends notification information to user terminal, and the notification information is used to indicate the user terminal and is migrated from cellular network to WLAN；Wherein, the base station belongs to the cellular network.The present invention is suitable for the communications field, is used to indicate user terminal and is migrated from cellular network to WLAN.

Description

Network migration method and device

Technical field

The present invention relates to the communications field more particularly to a kind of network migration method and devices.

Background technology

WLAN（Wireless Local Area Networks, Wireless LAN）It is that one kind being based on IEEE802.11 systems The radio area network of row standard, due to having transmission rate height, the features such as facilitating of arranging net, WLAN is widely applied.With this Meanwhile WLAN communications being supported to be increasingly becoming the necessary function of intelligent terminal.With popularizing for intelligent terminal, due to intelligent terminal Business processing speed is fast, service data transmission rate is high so that the cellular network in mobile communication system needs to undertake larger negative It carries.Since the capacity of cellular network is limited, cellular network can be caused to undertake larger pressure.

In order to alleviate the pressure of cellular network, common carrier can dispose the AP of WLAN in the cell（Access Point, access point）, intelligent terminal into cell provides wlan network, the partial service amount of cellular network is transferred to described Wlan network is handled, to reduce the portfolio of cellular network.For example, when user terminal executes online broadcasting video traffic When, it can be migrated from current affiliated cellular network to WLAN.

Currently, lacking a kind of effective mechanism ensures reasonable migrations of the UE between cellular network and wlan network.Existing skill In art, user terminal is only made with the user terminal type of service to be executed when being migrated to wlan network by cellular network To determine foundation；If the load of current cellular networks is smaller, WLAN loads are larger, user terminal still is possible to can be from honeycomb Network migration does not simply fail to the quality of service for ensureing user terminal, also results in the utilization of resources of communication network to wlan network Rate is relatively low.

It on the other hand, can be with WLAN's in order to obtain in real time during UE is migrated from cellular network to wlan network Access-in point information, UE need that WLAN AM access modules is kept to be chronically at open state, and the power consumption of UE can be caused larger.

Invention content

The embodiment of the present invention provides a kind of network migration method and device, can solve to work as user terminal in the prior art It when migrating from cellular network to wlan network, can not ensure the quality of service of user terminal, also result in the resource of communication network The relatively low problem of utilization rate.

In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：

In a first aspect, the present invention provides a kind of network migration method, the method includes：

Base station sends notification information to user terminal, and the notification information is used to indicate the user terminal from cellular network It migrates to WLAN；

Wherein, the base station belongs to the cellular network.

In the first possible implementation, the method further includes：Obtain the current area belonging to user terminal Load information and/or the load information that can use access point, described can be the available nothing that the user terminal detects with access point The access point of line LAN；Wherein, the current area provides service by the base station, and the notification information is specifically used for instruction The user terminal is migrated from the base station of the cellular network to can use access point described in the WLAN.

With reference to first aspect, in second of possible realization method, the method further includes：

The access-in point information that the user terminal is sent is received, described access point information includes：The user terminal detection The access point identity or described access point information of the available wireless local area networks arrived include the institute that the user terminal provides State one or more of available wireless local area networks access point identity.

Optionally, described access point information further includes connecing for the available wireless local area networks that the user terminal detects Enter the signal quality of the corresponding access point of point identification, or

Described access point information further includes one or more in the available wireless local area networks that the user terminal provides The signal quality of the corresponding access point of a access point identity.

With reference to first aspect or second of the first possible realization method of first aspect or first aspect may Realization method, in the third possible realization method, it is described to user terminal send notification information before, further include：It connects The solicited message for the access WLAN that the user terminal is sent is received, the solicited message of the access WLAN is used for The user terminal is moved to the WLAN by request by the cellular network.

With reference to first aspect, in the 4th kind of possible realization method, the method further includes：In the notification information The mark for increasing target access, so that the user terminal accesses the mark of the target access according to the notification information Know corresponding access point；

Wherein described access point belongs to the WLAN.

The third possible realization method of second of possible realization method or first aspect with reference to first aspect, In the 5th kind of possible realization method, the method further includes：Obtain the load letter of each access point in described access point information Breath and/or signal quality, according to the precedence information that can use access point described in the load information and/or signal quality determination； The precedence information is broadcasted in system message, in order to which the user terminal is migrated according to the precedence information to described WLAN.

The third possible realization method of second of possible realization method or first aspect with reference to first aspect, In the 6th kind of possible realization method, the method further includes：Obtain the load letter of each access point in described access point information Breath and/or signal quality, are ranked up described access point according to the load information and/or signal quality, obtain sequence letter Breath；The sequencing information is sent to the user terminal, in order to the user terminal according to the sequencing information migrate to The WLAN.

Second aspect, the present invention also provides a kind of network migration method, the method includes：

User terminal receives the notification information that base station is sent, and the notification information is used to indicate the user terminal from honeycomb Network migration is to WLAN；

The user terminal is migrated from the cellular network to the WLAN according to the notification information；

Wherein, the base station belongs to the cellular network.

In the first possible implementation, the method further includes：Obtain the access point letter of available wireless local area networks Breath, the base station is sent to by described access point information;

Wherein, described access point information includes the access point identity of the available wireless local area networks；Or

Described access point information includes one or more of available wireless local area networks access point identity.

Optionally, described access point information further includes the corresponding access point of access point identity of the available wireless local area networks Signal quality, and/or described access point identify the load information of corresponding access point, or

Described access point information, which further includes that one or more access point identities of the available wireless local area networks are corresponding, to be connect The signal quality, and/or described access point of access point identify the load information of corresponding access point.

In conjunction with the first possible realization method of second aspect, in second of possible realization method, the acquisition Before the access-in point information of available wireless local area networks, further include：Detect the access point of the available wireless local area networks.

In conjunction with second of possible realization method of second aspect, in the third possible realization method, the detection The access point of the available wireless local area networks, specifically includes：When the user terminal initiates pre-set business, can be used described in detection The access point of WLAN, the pre-set business are that the preassigned business of business or base station or user as defined in agreement are whole The business for holding application layer specified.

In conjunction with the first possible realization method of second aspect, in the 4th kind of possible realization method, the method Further include：The access-in point information of the first access point is stored, first access point is the wireless office that the user terminal access is crossed The access point of domain net；The cell ID of the cellular network cell detected in the coverage area of first access point is stored, and Establish the mapping relations of first access point and the cell ID；

The access-in point information for obtaining available wireless local area networks, including：

Obtain user terminal belonging to current area cell ID, according to the mapping relationship searching with it is described currently it is small The access point identity of corresponding first access point of cell ID in area, determines the access-in point information of the available wireless local area networks.

In conjunction with the first possible realization method of second aspect, in the 5th kind of possible realization method, described by institute It states access-in point information and is sent to the base station, specifically include：When the user terminal initiates pre-set business, by described access point Information is sent to the base station, and the pre-set business is the preassigned business of business as defined in agreement or the base station or institute State the specified business of user terminal application layer.

In conjunction with the first possible realization method of second aspect, in the 6th kind of possible realization method, the method Further include：The access point of the available wireless local area networks is arranged according to the signal quality of each access point and/or load information Sequence obtains sequencing information, and the sequencing information is sent to the base station.

In conjunction with second aspect, in the 7th kind of possible realization method, the notification information includes target access Mark；

It is described to be migrated from cellular network to Wireless LAN according to the notification information, including：Believed according to the notice The mark of the target access in breath accesses the target access, is migrated from cellular network to the target access pair The Wireless LAN answered.

The third aspect, the present invention also provides a kind of base station, the base station includes：

Transmission unit, for sending notification information to user terminal, the notification information is used to indicate the user terminal It is migrated from cellular network to WLAN；

Wherein, the base station belongs to the cellular network.

In the first possible implementation, the base station further includes：Acquiring unit, for obtaining belonging to user terminal Current area load information and/or the load information of access point can be used, described can be user terminal inspection with access point The access point of the available wireless local area networks measured；

Wherein, the current area provides service by the base station, and the notification information is specifically used for indicating the user Terminal is migrated from the base station of the cellular network to can use access point described in the WLAN.

In conjunction with third party, in second of possible realization method, the base station further includes：Receiving unit, for receiving The access-in point information that the user terminal is sent, described access point information include：What the user terminal detected described uses The access point identity or described access point information of WLAN include the available wireless office that the user terminal provides One or more of domain net access point identity；

Optionally, the access-in point information that the receiving unit receives further includes described using of detecting of the user terminal The signal quality of the corresponding access point of access point identity of WLAN, or

The access-in point information that the receiving unit receives further includes the available wireless local that the user terminal provides The signal quality of one or more of the net corresponding access point of access point identity.

Second in conjunction with the possible realization method of the first of the third aspect or the third aspect or the third aspect is possible Realization method, in the third possible realization method, the transmission unit is additionally operable to increase target in the notification information The mark of access point, so that the mark that the user terminal accesses the target access according to the notification information is corresponding Access point；

Wherein described access point belongs to the WLAN.

Second in conjunction with the possible realization method of the first of the third aspect or the third aspect or the third aspect is possible The possible realization method of the third of realization method or the third aspect, in the 4th kind of possible realization method, the transmission is single Member is specifically used for when detecting that the user terminal initiates pre-set business, and the notification information is sent to the user terminal, Wherein, the pre-set business is to be specified in the preassigned business of business or base station or user signing contract information as defined in agreement Business or user terminal context in specify business.

Fourth aspect, the present invention also provides a kind of user terminal, the user terminal includes：

Receiving unit, the notification information for receiving base station transmission, the notification information are used to indicate the user terminal It is migrated from cellular network to WLAN；

Processing unit, the notification information for being received according to the receiving unit are migrated from the cellular network to the nothing Line LAN；

Wherein, the base station belongs to the cellular network.

In the first possible implementation, the user terminal further includes：

Acquiring unit, the access-in point information for obtaining available wireless local area networks；

Transmission unit, the access-in point information for obtaining the acquiring unit are sent to the base station;

Described access point information includes one or more of available wireless local area networks access point identity

Optionally, the access-in point information that the acquiring unit obtains further includes the access point mark of the available wireless local area networks Know the signal quality of corresponding access point, and/or described access point identifies the load information of corresponding access point, or

The access-in point information that the acquiring unit obtains further includes one or more accesses of the available wireless local area networks The signal quality, and/or described access point of the corresponding access point of point identification identify the load information of corresponding access point.

In conjunction with second of possible realization method of fourth aspect, in the third possible realization method, the user Terminal further includes：Detection unit, the access point for detecting the available wireless local area networks；

Wherein, the detection unit is specifically used for when detecting that the user terminal initiates pre-set business, described in detection The access point of available wireless local area networks, the pre-set business are the preassigned business of business or base station as defined in agreement or use The specified business of family terminal applies layer.

In conjunction with second of possible realization method of fourth aspect, in the 4th kind of possible realization method, the user Terminal further includes：

Storage unit, the access-in point information for storing the first access point, first access point is the user terminal The access point of the WLAN accessed；

The storage unit is additionally operable to the cellular network cell detected in the coverage area for storing first access point Cell ID and first access point and the cell ID mapping relations；

The acquiring unit is specifically used for obtaining the cell ID of the current area belonging to user terminal, according to the storage The access point identity of mapping relationship searching the first access point corresponding with the cell ID of the current area of unit storage, really The access-in point information of the fixed available wireless local area networks.

In conjunction with fourth aspect, in the 5th kind of possible realization method, wrapped in the notification information that the receiving unit receives Include the mark of target access；

The processing unit is specifically used for according to described in the access of the mark of the target access in the notification information Target access migrates the Wireless LAN corresponding to the target access from the cellular network.

In conjunction with fourth aspect, in the 6th kind of possible realization method, the receiving unit is additionally operable to receive the base station The precedence information of the wireless local network connecting point of broadcast；The processing unit is specifically used for being selected according to the precedence information Access point is accessed；Or

The receiving unit is additionally operable to receive the sequencing information that base station is sent；The processing unit is specifically used for according to Sequencing information selection wireless local network connecting point is accessed.

5th aspect, the present invention also provides a kind of base station, the base station includes：

Transmitter, for user terminal send notification information, the notification information be used to indicate the user terminal from Cellular network is migrated to WLAN.

In the first possible implementation, the base station further includes：Processor, for obtaining belonging to user terminal The load information of current cellular networks cell and/or the load information that can use access point, described can be the user with access point The access point for the available wireless local area networks that terminal detects.

In conjunction with the 5th aspect, in second of possible realization method, the base station further includes：Receiver, for receiving The access-in point information that the user terminal is sent, described access point information include：The available wireless that the user terminal detects The access of one or more of the available wireless local area networks that the access point identity of LAN or the user terminal provide Point identification.

Second in conjunction with the first possible realization method or the 5th aspect of the 5th aspect or the 5th aspect is possible Realization method, in the third possible realization method, the transmitter is additionally operable to the increase target in the notification information and connects The mark of access point, so that the user terminal receives and accesses the mark of the target access after the notification information and correspond to Access point.

6th aspect, the present invention also provides a kind of user terminal, the user terminal includes：

Receiver, for receive base station transmission notification information, the notification information be used to indicate the user terminal from Cellular network is migrated to WLAN；

Processor, the notification information for being received according to the receiver are migrated from cellular network to WLAN；

Wherein, the base station belongs to the cellular network.

In the first possible implementation, the user terminal further includes：

Processor, the access-in point information for obtaining available wireless local area networks；

Transmitter, the access-in point information for obtaining the processor are sent to base station;

Described access point information includes one or more of available wireless local area networks access point identity；

In conjunction with second of possible realization method of the 6th aspect, in the third possible realization method, the processing Device is additionally operable to detect the access point of the available wireless local area networks；

Wherein, the processor is specifically used for when detecting that the user terminal initiates pre-set business, can described in detection With the access point of WLAN, the pre-set business is the preassigned business of business or base station or user as defined in agreement The specified business of terminal applies layer.

In conjunction with second of possible realization method of the 6th aspect, in the 4th kind of possible realization method, the user Terminal further includes：

Memory, the access-in point information for storing the first access point, first access point are that the user terminal is visited The access point for the WLAN asked；

The memory is additionally operable to the cellular network cell detected in the coverage area for storing first access point The mapping relations of cell ID and first access point and the cell ID；

The processor is specifically used for obtaining the cell ID of the current area belonging to user terminal, according to the memory The access point identity of the mapping relationship searching of storage the first access point corresponding with the cell ID of the current area, determines institute State the access-in point information of available wireless local area networks.

In conjunction with the 6th aspect, in the 5th kind of possible realization method, the notification information that the receiver receives includes The mark of target access；

The processor is specifically used for accessing the mesh according to the mark of the target access in the notification information Tag splice access point migrates Wireless LAN corresponding to the target access from cellular network.

In conjunction with the 6th aspect, in the 6th kind of possible realization method, the receiver is additionally operable to receive base station broadcast The precedence information of wireless local network connecting point；The processor is specifically used for selecting access to click through according to the precedence information Row access；Or

The receiver is additionally operable to receive the sequencing information that base station is sent, and WLAN is selected according to the sequencing information Access point is accessed

Network migration method and device provided by the invention, by base station according to the load information of wireless local network connecting point, And the load information of user terminal affiliated subdistrict current cellular networks, notification information is sent to user terminal, instruction user is whole End is migrated from cellular network to WLAN.Compared with prior art, base station can consider the load letter of cellular network The load information of breath and wireless local network connecting point, to which indicating user terminal is migrated from cellular network to WLAN, energy Enough ensure the quality of service of user terminal, and improves the resource utilization of communication network.

Description of the drawings

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the flow diagram for the network migration method that the embodiment of the present invention one provides；

Fig. 2 is the flow diagram of network migration method provided by Embodiment 2 of the present invention；

Fig. 3 is the flow diagram for the network migration method that the embodiment of the present invention three provides；

Fig. 4, Fig. 5 are the structure diagram for the base station that the embodiment of the present invention four provides；

Fig. 6, Fig. 7 are the structure diagram for the user terminal that the embodiment of the present invention five provides；

Fig. 8, Fig. 9 are the structure diagram for the base station that the embodiment of the present invention six provides；

Figure 10, Figure 11 are the structure diagram for the user terminal that the embodiment of the present invention seven provides.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.

Embodiment one

An embodiment of the present invention provides a kind of network migration methods, as shown in Figure 1, the method includes：

101, base station sends notification information to user terminal, and the notification information is used to indicate UE（User Equipment, User terminal）It is migrated from cellular network to WLAN.Wherein, the base station belongs to the cellular network.

Network migration method provided in an embodiment of the present invention is executed by the base station side of communication system, is suitable for 3GPP （The3rd Generation Partnership Project, third generation partner program）The various standards formulated are led to Letter system, such as GSM（The abbreviation of Global System for Mobile Communications means that the whole world is mobile logical Letter）System, WCDMA（Wideband Code Division Multiple Access, wideband code division multiple access）System and LTE （Long Term Evolution, long term evolution）System etc..

Base station in the present embodiment can be refer to the accession in net in the air on interface by one or more cells with it is wireless The equipment of terminal communication.For example, it may be the base station in GSM or CDMA（English is：Base transceiver station, Abbreviation BTS）, can also be the base station in WCDMA（English is：NodeB）, can also be the evolved base station in LTE（English For：Evolutional Node B, abbreviation base station or e-NodeB）, or the base station in follow-up evolvement network, the present invention couple This is not limited.

Network migration method provided in this embodiment is determined UE switching to WLAN from cellular network by base station.For example, working as When UE requests switch to WLAN by cellular network, load information and WLAN AP of the base station in conjunction with the affiliated cellular cells the UE Load information, determine whether that the UE is migrated to WLAN, to ensure the quality of service of UE；Alternatively, when base station detects When UE initiates a suitable service request executed in a wlan, can notification information actively be sent to UE, to indicate that UE is migrated To WLAN to obtain better services quality.

Specifically, base station can consider the load information of the load information and WLAN access points of cellular network, with certainly It is fixed that the UE whether is allowed to be migrated from cellular network to wlan network.Such as：

Under a kind of scene：If higher, WLAN access points the load of load of cellular network is relatively low, when UE is initiated The one new service request and service request can be executed by wlan network, then described in the base station is sent to the UE Notification information, to indicate that the UE is migrated from cellular network to wlan network.

Under another scene, if relatively low, WLAN access points the load of load of cellular network is higher, when UE is sent out It plays a new service request and the service request can be executed by wlan network, the base station in this case will not Notification information is sent to the UE, then the UE can execute the service request by cellular network.It can using such method Ensure quality of service, because since the load of WLAN access points is higher, without foot migrating the UE to wlan network Enough idle bandwidths execute the business, can not ensure quality of service；Simultaneously as the load of cellular network is relatively low, so by UE It is retained in cellular network and executes the service request, can ensure quality of service.

In order to make it easy to understand, and reach better advantageous effect, present embodiments provide following alternative for ginseng It examines：

Optionally, decide whether from cellular network to migrate the user terminal to wlan network for the ease of base station, with And it needs the when of migrating the user terminal to wlan network when base station determines, connect for the preferable WLAN of the user terminal selecting Access point（In the present embodiment, the preferable WLAN access points can be the preferable WLAN access points of signal quality, or load is relatively low WLAN access points）, the base station can obtain the load information of the current area belonging to user terminal and/or can use access point Load information, described can be the access point for the available wireless local area networks that the user terminal detects with access point；Wherein, institute It states current area and provides service by the base station, the notification information is specifically used for indicating the user terminal from the Cellular Networks The base station of network is migrated to can use access point described in the WLAN.

Optionally, in order to improve the flexibility of user experience, in the present embodiment, it is whole that the base station can receive the user The access-in point information that end is sent, described access point information include：The available wireless local area networks that the user terminal detects Access point identity or one or more of the available wireless local area networks access point identity that provides of the user terminal （For example, user terminal detects that 10 available WLAN access points, user terminal can select wherein 3 according to user preferences The access-in point information of WLAN access points is supplied to base station）.

Optionally, described to be sent to user terminal in order to realize active migration of the user terminal from cellular network to WLAN Before notification information, further include：Receive the solicited message for the access WLAN that the user terminal is sent, the access nothing The user terminal is moved to the WLAN by the solicited message of line LAN for asking by the cellular network.

Optionally, the base station can the load when the cellular network be higher than first threshold, and/or, when it is described can When being less than second threshold with the load of access point, the notification information is sent to the user terminal.

Optionally, the notification information can be carried on wireless heterogeneous networks connection refusal RRC by the base station It is sent to the user terminal in Connection Reject message；Or

The notification information is carried in wireless heterogeneous networks Connection Release RRC Connection Release message It is sent to the user terminal；Or

The notification information is carried on wireless resource control connection reconfiguration RRC Connection The user terminal is sent in Reconfiguration message；Or

The notification information is carried in paging Paging message and is sent to the user terminal；Or

Newly-built radio resource control RRC message, the notification information is carried in the newly-built RRC information and is sent to The user terminal.

It is worth noting that no matter user terminal and base station are to be in IDLE（It is idle）State or connected state, the present embodiment The method of offer can be achieved the user terminal moving to WLAN from cellular network.When user terminal and base station are in IDLE When state, the notification information can be carried in Paging message and be sent to the user terminal by the base station, to indicate User terminal is stated to migrate to WLAN from cellular network.

Optionally, the time delay of WLAN is moved to reduce user terminal from cellular network, the base station can also be in institute The mark for increasing target access in notification information is stated, so that the user terminal accesses the mesh according to the notification information The corresponding access point of mark of tag splice access point；

Wherein described access point belongs to the WLAN.

Optionally, the base station can be when detecting that the user terminal initiates pre-set business, to user end End sends the notification information, wherein the pre-set business be the preassigned business of business or base station as defined in agreement or The business specified in the business or user terminal context specified in person's user signing contract information.

Optionally, the base station can be from MME（Mobility Management Entity, mobile management entity）It obtains The first configuration information of user, first configuration information is for determining the pre-set business.

Optionally, the base station can obtain the second configuration information of user from MME, and second configuration information is for true Determine the network migration criterion of user.

Optionally, in order to enable user terminal more conveniently selects WLAN access points to be accessed, the base station can be obtained The load information and/or signal quality for taking each access point in described access point information, according to the load information and/or signal matter Amount can use the precedence information of access point described in determining；The precedence information is broadcasted in system message, in order to the use Family terminal is migrated according to the precedence information to the WLAN.

Optionally, in order to enable user terminal more conveniently selects WLAN access points to be accessed, the base station can be obtained The load information and/or signal quality for taking each access point in described access point information, according to the load information and/or signal matter Amount is ranked up described access point, obtains sequencing information；

The sequencing information is sent to the user terminal, in order to which the user terminal is moved according to the sequencing information Move to the WLAN.

Network migration method provided in an embodiment of the present invention, by base station according to the load information of wireless local network connecting point, And the load information of user terminal affiliated subdistrict current cellular networks, notification information is sent to user terminal, instruction user is whole End is migrated from cellular network to WLAN.Compared with prior art, base station can consider the load letter of cellular network The load information of breath and wireless local network connecting point, to which indicating user terminal is migrated from cellular network to WLAN, energy Enough ensure the quality of service of user terminal, and improves the resource utilization of communication network.

Embodiment two

An embodiment of the present invention provides a kind of network migration methods, as shown in Fig. 2, the method includes：

201, UE receives the notification information that base station is sent.

202, the UE is migrated from cellular network to Wireless LAN according to the notification information.

Wherein, the notification information is considered the load information and/or WLAN of cellular network by the base station It is sent to the UE after the load information of access point, is used to indicate the UE and is migrated from cellular network to Wireless LAN.

In the prior art, UE by the process that cellular network is migrated to WLAN is actively initiated and and is executed by UE.With it is existing There is technology different, the UE in the present embodiment is just to move to WLAN after receiving the notification information that base station issues.Due to Base station can preferably know cellular network and the network quality of WLAN, so can be selected from cellular network and WLAN preferably Network for UE use, ensure improve UE quality of service.

Network migration method provided in an embodiment of the present invention, UE is after receiving the notification information that base station issues by Cellular Networks Network moves to WLAN；Since notification information is issued by base station, UE can be ensured in the mistake for moving to WLAN by cellular network The network quality of Cheng Zhong, WLAN are above the network quality of cellular network, so can ensure the quality of service of UE, and improve The resource utilization of communication network.

Embodiment three

On the basis of Fig. 1, embodiment illustrated in fig. 2, the embodiment of the present invention further provides a kind of network migration method, As shown in figure 3, the method includes：

301, UE obtains the access-in point information of available wireless local area networks.

It has access to and is runed belonging to the UE it is worth noting that the available wireless local area networks refer to the UE The WLAN that the access point of quotient's configuration provides.

Wherein, described access point information includes：The access point identity of the available wireless local area networks（I.e. user terminal detects The access point identity of all available wireless local area networks arrived）Or one or more of described available wireless local area networks access Point identification（I.e. user terminal can be selected from the access point of all available wireless local area networks detected according to user preferences One or more it is expected the access point identity of access）.

Optionally, described access point information can also include that the access point identity of the available wireless local area networks corresponding connects The signal quality, and/or described access point of access point identify the load information of corresponding access point, or

Described access point information can also include one in the available wireless local area networks that the user terminal provides Or the signal quality, and/or described access point of the corresponding access point of multiple access point identities identify the load of corresponding access point Information.

Specifically, in order to realize 301, an embodiment of the present invention provides following two methods are for reference：

Method one：

S1, UE detect the access point of available wireless local area networks.

Optionally, in order to save the power consumption of UE, the UE can be when the business that itself is initiated belongs to pre-set business, inspection The access point of the available wireless local area networks is surveyed, the pre-set business is the preassigned industry of business or base station as defined in agreement The business that business or user terminal application layer are specified.In the present embodiment, the pre-set business is can be executed by WLAN Business, such as packet data transmission business, network access service etc..

In general, the pre-set business can be set by common carrier, can also be set by user.

Preferably, the pre-set business can be set as that some are higher to network bandwidth requirement, and/or delay requirement is relatively low Business, such as：File downloading service, video broadcasting business etc. online.

S2, the UE detect the access point identity of available wireless local area networks, determine described access point information.

Method two：

S1, UE store the access-in point information of the first access point, and first access point is the wireless office that the UE was accessed The access point of domain net.

S2, UE store the cell ID of the cellular network cell detected in the coverage area of first access point, and Establish the mapping relations of first access point and the cell ID.

S3, the UE obtain belonging to current area cell ID, according to the mapping relationship searching with it is described currently it is small The access point identity of corresponding first access point of cell ID in area, determines the access-in point information of the available wireless local area networks.

For example, when UE is located at first community, access point A is had accessed, then the UE stores the cell of the first community Mark, the mapping relations of the mark of described access point A and the first community and access point A.When the UE is from other cells When moving to the first community, then access corresponding with first community can be obtained by searching for the mapping relations being locally stored The mark of point, the access-in point information of currently available WLAN is determined according to the mark.

302, described access point information is sent to base station by the UE.

Optionally, in order to save channel resource, the UE can when initiating pre-set business, just triggering step 302.Its In, the pre-set business is the industry that the preassigned business of business or base station or user terminal application layer are specified as defined in agreement Business；Or the pre-set business can also be to the higher business of network bandwidth requirement.If the UE does not initiate described pre- If business, then it is not necessarily to improve the utilization of channel resource to base station transmission described access point information so as to save channel resource Rate.

Preferably, when the UE access-in point informations detected include multiple access points, available wireless local area networks can be detected Each access point signal quality, determine signal quality higher than predetermined threshold value access point mark, according to the mark determination Described access point information is sent to base station by access-in point information.Using such method, when sending access-in point information to base station The poor access point of some signal qualities can be filtered out, is screened convenient for base station, while can ensure quality of service.

Optionally, UE can also be according to the signal quality and/or load information of each access point to the available wireless local The access point of net is ranked up, and obtains sequencing information, and the sequencing information is sent to the base station, so that the base station is pressed The access point of the available wireless local area networks is detected successively according to the sequencing information, it is determined whether by the user terminal It migrates to WLAN, or determines the target access that the user terminal can migrate.

Such as：UE can be ranked up each access point detected according to the signal quality of each access point, and sequence is tied Fruit is sent to the UE, in order to which base station is according to the ranking results and in conjunction with described in the load information determination of each access point The access point that UE is preferably accessed.

303, UE sends the solicited message of access WLAN to base station, and the solicited message of the access WLAN is described for asking The UE is moved to WLAN by base station by cellular network.

It is worth noting that 303 be optional step, the case where active migration is to WLAN is thought suitable for working as UE, in this feelings Under condition, UE can execute 303, be migrated to WLAN with request.In another case, the type of service initiated according to UE when base station When actively UE being migrated to WLAN, UE is without executing 303.

Optionally, when UE initiates pre-set business, UE can select execution 303.Wherein, the pre-set business is to be suitble to The business executed in WLAN, for example, the pre-set business can be the preassigned business of business or base station as defined in agreement, Or the business that user terminal application layer is specified.

304, base station receives the solicited message for the access WLAN that the UE is sent, and the solicited message of the access WLAN is used for The user terminal is moved to WLAN by request by cellular network.

It will be apparent that 304 be also optional, 304 only can be just executed under the premise of performing 303.

305, base station receives the access-in point information that the user terminal is sent, and available connect is determined according to described access point information Access point.

Wherein, described access point information includes the access point for the available wireless local area networks that the user terminal detects Mark；Or

Described access point information includes one or more of the available wireless local area networks that the user terminal provides Access point identity.

Optionally, transition process of the user terminal from cellular network to WLAN is determined for the ease of base station, it is described to connect Access point information can also include the corresponding access point of access point identity for the available wireless local area networks that the user terminal detects Signal quality；Alternatively,

Described access point information includes one or more of the available wireless local area networks that the user terminal provides The signal quality of the corresponding access point of access point identity.

Specifically, described can be that described access point identifies corresponding access point with access point, i.e., what the described UE was detected can With the access point of WLAN.

306, the base station obtains the load information of the current cellular networks cell belonging to the UE, and/or described uses The load information of access point is adjudicated according to the load information of the load information of the cellular network detected and available access point Whether the UE is migrated from cellular network to WLAN.

For example, the UE can preset first threshold and second threshold, when the load for detecting the cellular network Higher than first threshold, and/or, when the load with access point is less than second threshold, then judgement by the UE from honeycomb Network migration is to WLAN.That is, when the load of the cellular network of the affiliated subdistricts UE is higher, and/or described When the load of access point can be used relatively low, the base station can indicate that UE is migrated to WLAN and execute business.

Specifically, base station can be by directly receiving the load letter that can use access point described in access point transmission Breath can also obtain the load information that can use access point by parsing the access-in point information that UE is sent, not limit herein It is fixed.

307, when the base station, which is determined, migrates the UE to Wireless LAN from cellular network, the base station is to institute It states UE and sends notification information, the notification information is used to indicate the UE and is migrated from cellular network to Wireless LAN.

Optionally, the base station can send the notice when detecting that the UE initiates pre-set business to the UE Information, so that the UE is migrated from cellular network to Wireless LAN.Wherein, the pre-set business is industry as defined in agreement The industry specified in business or user signing contract information that business or the preassigned business in base station or user terminal application layer are specified The business specified in business or user terminal context.In order to determine type of service that above-mentioned pre-set business includes, the base station It can be from MME（Mobility Management Entity, mobile management entity）The first configuration information of user is obtained, it is described First configuration information is for determining the pre-set business.

Optionally, the base station can also obtain the second configuration information of user from MME, and second configuration information is used for Determine the network migration criterion of user.For example, the base station can obtain the preference information of UE by second configuration information （Preference Information）, the preference information includes when cellular network and WLAN can support the positive normal opens of the UE When letter, the mark of the preferred access network of the UE.Such as：User could be provided as asking when itself UE initiates web-browsing service When asking, the service request is preferably executed by WLAN；Then when UE cellular networks and WLAN can guarantee that UE executes the industry When business request, the UE can execute the service request by cellular network.

Optionally, the base station can send notification information through but not limited to such as under type to the UE：

（1）The notification information is carried on RRC Connection Reject by base station（Radio Resource Control Connection Reject, wireless heterogeneous networks connection refusal）The UE is sent in message；Or

（2）The notification information is carried on RRC Connection Release by base station（Wireless heterogeneous networks connection is released It puts）The UE is sent in message；Or

（3）The notification information is carried on RRC Connection Reconfiguration by base station（Radio resource control Connection reconfiguration processed is set）The UE is sent in message；Or

（4）The notification information is carried on paging（Paging）The user terminal is sent in message；Or

（5）Base station can create a RRC information, and the notification information is carried in the newly-built RRC information and is sent out It send to the UE.

308, the UE receives the notification information that the base station is sent, according to the notification information from cellular network migrate to Wireless LAN.

Preferably, in order to reduce the time delay of UE access WLAN, following method may be used in the base station：

Method one：

S1, base station increase the mark of target access in the notification information；

S2, UE are after receiving the communication information, according to the mark of the target access in the notification information The target access is accessed, Wireless LAN corresponding to the target access is migrated from cellular network.It is wherein described Access point belongs to the WLAN.

For example, when the UE access-in point informations sent to base station include the mark of multiple access points, the base station can be with It determines that an access point is target access from the multiple access point, increases the target access in the notification information The mark of point.

Optionally, the base station is when determining target access, if the access-in point information that UE is sent to base station includes The precedence information of the signal quality of each access point or each access point, the base station can be in the feelings for considering each access point load Under condition, the access point of the top-quality access point of selection signal or highest priority is as the target access.

Method two：

S1, base station obtain the load information and/or signal quality of each access point in described access point information, according to described negative Information carrying breath and/or signal quality set the precedence information of each access point；

S2, the precedence information is broadcasted in system message；

S3, UE receive the precedence information of the wireless local network connecting point of base station broadcast, are moved according to the precedence information Move to the WLAN.

For example, base station can be set as loading the excellent of higher access point when setting the precedence information of each access point First grade is less than the priority for loading lower access point.

Method three：

S1, base station obtain the load information and/or signal quality of each access point in described access point information, according to described negative Information carrying ceases and/or signal quality is ranked up described access point, obtains sequencing information；

The sequencing information is sent to user terminal by S2, the base station, in order to which the user terminal is according to the row Sequence information transfer is to the WLAN.

Example IV

An embodiment of the present invention provides a kind of base stations, can realize above method embodiment one and embodiment of the method three The method of middle base station side, as shown in figure 4, the base station includes：

Transmission unit 41, for sending notification information to user terminal, it is whole that the notification information is used to indicate the user End is migrated from cellular network to WLAN；

Wherein, the base station belongs to the cellular network.

Optionally, as shown in figure 5, the base station further includes：

Acquiring unit 42, load information for obtaining the current area belonging to user terminal and/or can use access point Load information, described can be the access point for the available wireless local area networks that the user terminal detects with access point；

Optionally, as shown in figure 5, the base station further includes：

Receiving unit 43, the access-in point information sent for receiving the user terminal, described access point information include：Institute It includes the use to state the access point identity for the available wireless local area networks that user terminal detects or described access point information One or more of the available wireless local area networks that family terminal provides access point identity.

Optionally, the receiving unit 43 receive access-in point information further include the user terminal detect it is described can With the signal quality of the corresponding access point of the access point identity of WLAN, or

The access-in point information that the receiving unit 43 receives further includes the available wireless office that the user terminal provides The signal quality of one or more of the domain net corresponding access point of access point identity.

Optionally, the receiving unit 43 is additionally operable to receive the request for the access WLAN that the user terminal is sent Information, the solicited message of the access WLAN is for asking the base station by the user terminal by the cellular network Move to the WLAN.

Optionally, the transmission unit 41 is specifically used for being higher than when the load for the cellular network that the acquiring unit 42 obtains First threshold, and/or, when the load for the available access point that the acquiring unit 42 obtains is less than second threshold, to the use Family terminal sends the notification information.

Specifically, the transmission unit 41 is used to the notification information being carried on wireless heterogeneous networks connection refusal RRC It is sent to the user terminal in Connection Reject message；Or

The transmission unit 41 is additionally operable to the notification information being carried on wireless heterogeneous networks Connection Release RRC It is sent to the user terminal in Connection Release message；Or

The transmission unit 41 is additionally operable to the notification information being carried on wireless resource control connection reconfiguration RRC It is sent to the user terminal in Connection Reconfiguration message；Or

The transmission unit 41, which is additionally operable to the notification information being carried in paging Paging message, is sent to the use Family terminal；Or

The transmission unit 41 is additionally operable to newly-built radio resource control RRC message, the notification information is carried on described The user terminal is sent in newly-built RRC information.

Optionally, the transmission unit 41 is additionally operable to increase the mark of target access in the notification information, so that Obtain the corresponding access point of mark that the user terminal accesses the target access according to the notification information；

Wherein described access point belongs to the WLAN.

Optionally, the transmission unit 41 is specifically used for when detecting that the user terminal initiates pre-set business, to institute It states user terminal and sends the notification information, wherein the pre-set business is that business or base station as defined in agreement are preassigned The business specified in the business or user terminal context specified in business or user signing contract information.

Optionally, the acquiring unit 42 is additionally operable to obtain the first configuration information of user from MME, and described first matches confidence Breath is for determining the pre-set business.

Optionally, the acquiring unit 42 is additionally operable to obtain the second configuration information of user from MME, and described second matches confidence Cease the network migration criterion for determining user.

As shown in figure 5, the base station further includes：

First processing units 44, for obtaining the load information of each access point and/or signal matter in described access point information Amount, according to the precedence information that can use access point described in the load information and/or signal quality determination；

The transmission unit 41 is additionally operable to broadcast the described preferential of the determination of the first processing units 44 in system message Grade information, in order to which the user terminal is migrated according to the precedence information to the WLAN.

Optionally, as shown in dotted portion in Fig. 5, the base station further includes：

Second processing unit 45, load information and/or signal quality for obtaining access point in described access point information, Described access point is ranked up according to the load information and/or signal quality, obtains sequencing information；

The transmission unit 41 is additionally operable to the sequencing information that the second processing unit 45 obtains being sent to the user Terminal, in order to which the user terminal is migrated according to the sequencing information to the WLAN.

Base station provided in an embodiment of the present invention, can be whole according to the load information of wireless local network connecting point and user The load information for holding affiliated subdistrict current cellular networks sends notification information to user terminal, and indicating user terminal is from Cellular Networks Network is migrated to WLAN.Compared with prior art, base station provided in this embodiment can consider the negative of cellular network Information carrying ceases and the load information of wireless local network connecting point, to which indicating user terminal is migrated from cellular network to wireless local Net, it can be ensured that the quality of service of user terminal, and improve the resource utilization of communication network.

Embodiment five

An embodiment of the present invention provides a kind of user terminals, can realize above method embodiment two and embodiment three The method that middle user terminal executes, as shown in fig. 6, the user terminal includes：

Receiving unit 61, the notification information for receiving base station transmission, it is whole that the notification information is used to indicate the user End is migrated from cellular network to WLAN；

Processing unit 62, the notification information for being received according to the receiving unit 61 are migrated from the cellular network to institute State WLAN；

Wherein, the base station belongs to the cellular network.

Optionally, as shown in fig. 7, the user terminal further includes：

Acquiring unit 63, the access-in point information for obtaining available wireless local area networks；

Transmission unit 64, the access-in point information for obtaining the acquiring unit 63 are sent to the base station;

Optionally, the access-in point information that the acquiring unit 63 obtains further includes the access point of the available wireless local area networks It identifies the signal quality of corresponding access point, and/or described access point identifies the load information of corresponding access point, or

The access-in point information that the acquiring unit 63 obtains further includes that the one or more of the available wireless local area networks connects Enter the signal quality of the corresponding access point of point identification, and/or described access point identifies the load information of corresponding access point.

As shown in fig. 7, the user terminal further includes：Detection unit 65, for detecting the available wireless local area networks Access point.

Optionally, the detection unit 65 is specifically used for when the user terminal initiates pre-set business, can described in detection With the access point of WLAN, the pre-set business is the preassigned business of business or base station or user as defined in agreement The specified business of terminal applies layer.

As shown in fig. 7, the user terminal further includes：

Storage unit 66, the access-in point information for storing the first access point, first access point are that the user is whole Hold the access point of the WLAN accessed；

It is small that the storage unit 66 is additionally operable to the cellular network detected in the coverage area for storing first access point The mapping relations of the cell ID in area and first access point and the cell ID；

The acquiring unit 63 is specifically used for obtaining the cell ID of the current area belonging to user terminal, is deposited according to described The access point mark for mapping relationship searching the first access point corresponding with the cell ID of the current area that storage unit 66 stores Know, determines the access-in point information of the available wireless local area networks.

Optionally, the transmission unit 64 is specifically used for when the user terminal initiates pre-set business, by the access Point information is sent to the base station, the pre-set business be the preassigned business of business or the base station as defined in agreement or The specified business of the user terminal application layer.

Optionally, the acquiring unit 63 is specifically used for determining mark of the signal quality higher than the access point of predetermined threshold value, Access-in point information is determined according to the mark；The described access point that the transmission unit 64 is used to determine the acquiring unit 63 Information is sent to base station.

Optionally, the processing unit 62 is additionally operable to signal quality and/or load information according to each access point to described The access point of available wireless local area networks is ranked up, and obtains sequencing information；

The transmission unit 64 be used to the sequencing information that the processing unit 62 obtains being sent to the base station so that The base station is followed successively by the user terminal selecting target access according to the sequencing information.

Specifically, the transmission unit 64 is additionally operable to send the solicited message of access WLAN, institute to the base station The solicited message of access WLAN is stated for asking the base station to move to the user terminal wirelessly by cellular network LAN.

Optionally, the transmission unit 64 can be used for, when the user terminal initiates pre-set business, sending out to the base station Send access WLAN solicited message, the pre-set business be agreement as defined in the preassigned business of business or base station, Or the business that user terminal application layer is specified.

Optionally, the notification information that the receiving unit 61 receives includes the mark of target access；

Then the processing unit 62 is specifically used for being accessed according to the mark of the target access in the notification information The target access migrates the Wireless LAN corresponding to the target access from the cellular network.

Optionally, the receiving unit 61 is additionally operable to receive the priority of the wireless local network connecting point of the base station broadcast Information；The processing unit 62 is specifically used for selecting access point to be accessed according to the precedence information；Wherein, described preferential Grade information can be that the base station is set according to the load information and/or signal quality of each access point.

Optionally, the receiving unit 61 is additionally operable to receive the sequencing information that base station is sent, so that the processing unit 62 are specifically used for selecting wireless local network connecting point to be accessed according to the sequencing information；Wherein, the sequencing information can be with It is to be obtained after the base station is ranked up processing according to the load information and/or signal quality of each access point to each node 's.

User terminal provided in an embodiment of the present invention can report the access-in point information of available wireless local area networks to base station, with The load information and wireless local network connecting point of user terminal affiliated subdistrict cellular network are considered convenient for the base station Load information decide whether by cellular network to migrate the user terminal to WLAN；If so, the base station to The user terminal sends notification information, and user terminal is migrated from cellular network to wireless office after receiving the notification information Domain network.Compared with prior art, user terminal provided in this embodiment is during network migration, it can be ensured that user terminal Quality of service, and improve communication network resource utilization.

Embodiment six

An embodiment of the present invention provides a kind of base stations, can realize base in above method embodiment one and embodiment three Stand side execution method, as shown in figure 8, the base station includes：

Transmitter 81, for sending notification information to user terminal, the notification information is used to indicate the user terminal It is migrated from cellular network to WLAN；

Wherein, the base station belongs to the cellular network.

As shown in figure 9, the base station further includes：

Processor 82, load information for obtaining the current cellular networks cell belonging to user terminal and/or available connects The load information of access point, described can be the access point for the available wireless local area networks that the user terminal detects with access point；

As shown in figure 9, the base station further includes：

Receiver 83, the access-in point information sent for receiving the user terminal, described access point information include：It is described Described the using of the access point identity for the available wireless local area networks that user terminal detects or user terminal offer One or more of WLAN access point identity.

Optionally, the access-in point information that the receiver 83 receives further includes described using of detecting of the user terminal The signal quality of the corresponding access point of access point identity of WLAN, or

The access-in point information that the receiver 83 receives further includes the available wireless local that the user terminal provides The signal quality of one or more of the net corresponding access point of access point identity.

Optionally, the receiver 83 is additionally operable to receive the request letter for the access WLAN that the user terminal is sent Breath, the solicited message of the access WLAN is for asking the base station to move the user terminal by the cellular network Move on to the WLAN.

Optionally, the transmitter 81 is specifically used for being higher than first when the load for the cellular network that the processor 82 obtains Threshold value, and/or, when the load for the available access point that the processor 82 obtains is less than second threshold, to the user terminal Send the notification information.

Specifically, the transmitter 81 is used to the notification information being carried on wireless heterogeneous networks connection refusal RRC It is sent to the user terminal in Connection Reject message；Or

The transmitter 81 is additionally operable to the notification information being carried on wireless heterogeneous networks Connection Release RRC It is sent to the user terminal in Connection Release message；Or

The transmitter 81 is additionally operable to the notification information being carried on wireless resource control connection reconfiguration RRC It is sent to the user terminal in Connection Reconfiguration message；Or

The transmitter 81, which is additionally operable to the notification information being carried in paging Paging message, is sent to the user Terminal；Or

The transmitter 81 is additionally operable to newly-built radio resource control RRC message, the notification information is carried on described new The user terminal is sent in the RRC information built.

Optionally, the transmitter 81 is additionally operable to increase the mark of target access in the notification information, so that The user terminal accesses the corresponding access point of mark of the target access according to the notification information；

Wherein described access point belongs to the WLAN.

Optionally, the transmitter 81 is specifically used for when detecting that the user terminal initiates pre-set business, to described User terminal sends the notification information, wherein the pre-set business is the preassigned industry of business or base station as defined in agreement The business specified in the business or user terminal context specified in business or user signing contract information.

Optionally, the processor 82 is additionally operable to obtain the first configuration information of user from mobile management entity MME, described First configuration information is for determining the pre-set business.

Optionally, the processor 82 is additionally operable to obtain the second configuration information of user, second configuration information from MME Network migration criterion for determining user.

Optionally, the processor 82 be additionally operable to obtain described access point information in each access point load information and/or Signal quality, according to the precedence information that can use access point described in the load information and/or signal quality determination；

The transmitter 81 is additionally operable to broadcast the precedence information of the determination of the processor 82 in system message, with It is migrated to the WLAN according to the precedence information convenient for the user terminal.

Optionally, the processor 82 is additionally operable to obtain the load information and/or letter of access point in described access point information Number quality, is ranked up described access point according to the load information and/or signal quality, obtains sequencing information；

The transmitter 81 is additionally operable to the sequencing information that the processor 82 obtains being sent to the user terminal, so as to It is migrated to the WLAN according to the sequencing information in the user terminal.

Embodiment seven

An embodiment of the present invention provides a kind of user terminals, can realize above method embodiment one and embodiment three The method that middle UE is executed, as shown in Figure 10, the user terminal includes：

Receiver 1001, the notification information for receiving base station transmission, it is whole that the notification information is used to indicate the user End is migrated from cellular network to WLAN；

Processor 1002, the notification information for being received according to the receiver 1001 are migrated from the cellular network to institute State WLAN；

Wherein, the base station belongs to the cellular network.

Optionally, the processor 1002 is additionally operable to obtain the access-in point information of available wireless local area networks；

Then as shown in figure 11, the user terminal further includes：Transmitter 1003, for obtain the processor 1002 Access-in point information is sent to the base station;

Optionally, the access-in point information that the processor 1002 obtains further includes the access point of the available wireless local area networks It identifies the signal quality of corresponding access point, and/or described access point identifies the load information of corresponding access point, or

The access-in point information that the processor 1002 obtains further includes that the one or more of the available wireless local area networks connects Enter the signal quality of the corresponding access point of point identification, and/or described access point identifies the load information of corresponding access point.

Optionally, the processor 1002 is additionally operable to the access point of detection available wireless local area networks.

Optionally, the processor 1002 is specifically used for when detecting that the user terminal initiates pre-set business, detection The access point of the available wireless local area networks, the pre-set business be agreement as defined in the preassigned business of business or base station, Or the business that user terminal application layer is specified.

As shown in figure 11, the user terminal further includes：

Memory 1004, the access-in point information for storing the first access point, first access point are that the user is whole Hold the access point of the WLAN accessed；

It is small that the memory 1004 is additionally operable to the cellular network detected in the coverage area for storing first access point The mapping relations of the cell ID in area and first access point and the cell ID；

The processor 1002 is specifically used for obtaining the cell ID of the current area belonging to user terminal, is deposited according to described The access point mark for mapping relationship searching the first access point corresponding with the cell ID of the current area that reservoir 1004 stores Know, determines the access-in point information of the available wireless local area networks.

Optionally, the transmitter 1003 is specifically used for when the user terminal initiates pre-set business, by the access Point information is sent to the base station, the pre-set business be the preassigned business of business or the base station as defined in agreement or The specified business of the user terminal application layer.

Optionally, the processor 1002 is specifically used for determining mark of the signal quality higher than the access point of predetermined threshold value, Access-in point information is determined according to the mark；The access that then transmitter 1003 is used to determine the processor 1002 Point information is sent to base station.

Optionally, the processor 1002 is additionally operable to be used described according to the signal quality and load information of each access point The access point of WLAN is ranked up, and obtains sequencing information；

Then the transmitter 1003 is used to the sequencing information that the processor 1002 obtains being sent to the base station, so that It obtains the base station and is followed successively by the user terminal selecting target access according to the sequencing information.

Optionally, the transmitter 1003 is additionally operable to send the solicited message of access WLAN, institute to the base station The solicited message of access WLAN is stated for asking the base station to move to the user terminal wirelessly by cellular network LAN.

Optionally, the transmitter 1003 is specifically used for when the user terminal initiates pre-set business, to the base station The solicited message of access WLAN is sent, the pre-set business is the preassigned industry of business or base station as defined in agreement The business that business or user terminal application layer are specified.

Optionally, the notification information that the receiver 1001 receives includes the mark of target access；The processor 1002 are specifically used for accessing the target access according to the mark of the target access in the notification information, from honeycomb Network migration is to the corresponding Wireless LAN of the target access.

Optionally, the receiver 1001 is additionally operable to receive the priority of the wireless local network connecting point of the base station broadcast Information；The processor 1002 is used to select access point to be accessed according to the precedence information；Wherein, the priority letter Breath can be that the base station is set according to the load information and/or signal quality of each access point.

Optionally, the receiver 1001 is additionally operable to receive the sequencing information that base station is sent, so that the processor 1002 are specifically used for selecting wireless local network connecting point to be accessed according to the sequencing information；Wherein, the sequencing information can Being obtained after the base station is ranked up processing according to the load information and/or signal quality of each access point to each node 's.

The embodiment of the present invention additionally provides a kind of network migration system, including the base stations Fig. 8 or shown in Fig. 9 and Figure 10 Or user terminal shown in Figure 11, the base station can send notification information to the user terminal, so that the user is whole End, which is ceased according to the communication from cellular network, to be migrated to WLAN.Specific implementation process is referring to embodiment six and embodiment seven, herein It repeats no more.

Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow Help software that the mode of required common hardware is added to realize, naturally it is also possible to which by hardware, but the former is more preferably in many cases Embodiment.Based on this understanding, the portion that technical scheme of the present invention substantially in other words contributes to the prior art Dividing can be expressed in the form of software products, which is stored in the storage medium that can be read, and such as count The floppy disk of calculation machine, hard disk or CD etc., including some instructions are used so that a computer equipment（Can be personal computer, Server or the network equipment etc.）Execute the method described in each embodiment of the present invention.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

1. a kind of network migration method, which is characterized in that including：

Base station sends notification information to user terminal, and the notification information is used to indicate the user terminal and is migrated from cellular network To WLAN, the base station belongs to the cellular network；

Before the base station sends notification information to user terminal, further include：It is wireless to receive the access that the user terminal is sent The solicited message of LAN；It obtains the load information of the current area belonging to user terminal and/or the load of access point can be used to believe Breath, and the load information of the current area belonging to the user terminal and/or the load information with access point are true Fixed whether to indicate that the user terminal is migrated from the cellular network to the WLAN, described can be to work as institute with access point The business of user terminal initiation is stated when belonging to pre-set business, the access for the available wireless local area networks that the user terminal detects Point；

Wherein, the current area provides service by the base station, and the notification information is specifically used for indicating the user terminal It is migrated from the base station of the cellular network to access point can be used described in the WLAN.

2. according to the method described in claim 1, it is characterized in that, further including：

The access-in point information that the user terminal is sent is received, described access point information includes：What the user terminal detected One in the available wireless local area networks that the access point identity of the available wireless local area networks or the user terminal provide A or multiple access point identities.

3. according to the method described in claim 2, it is characterized in that, described access point information further includes the user terminal detection The signal quality of the corresponding access point of access point identity of the available wireless local area networks arrived, or

Described access point information further includes that one or more of the available wireless local area networks of the user terminal offer connect Enter the signal quality of the corresponding access point of point identification.

4. according to claim 1-3 any one of them methods, which is characterized in that

The user terminal is moved to institute by the solicited message of the access WLAN for asking by the cellular network State WLAN.

5. according to the method described in claim 1, it is characterized in that, the base station to user terminal send notification information, including：

When the load of the cellular network is higher than first threshold, and/or, when the load with access point is less than second threshold When, send the notification information to the user terminal.

6. according to claim 1-3,5 any one of them methods, which is characterized in that described to described in user terminal transmission Notification information, including：

The notification information is carried in wireless heterogeneous networks connection refusal RRC Connection Reject message and is sent to The user terminal；Or

The notification information is carried in wireless heterogeneous networks Connection Release RRC Connection Release message and is sent To the user terminal；Or

The notification information is carried on wireless resource control connection reconfiguration RRC Connection Reconfiguration The user terminal is sent in message；Or

Newly-built radio resource control RRC message, the notification information is carried in the newly-built RRC information described in being sent to User terminal.

7. according to the method described in claim 1, it is characterized in that, further including：

The mark for increasing target access in the notification information, so that the user terminal connects according to the notification information Enter the corresponding access point of mark of the target access；

Wherein described access point belongs to the WLAN.

8. according to any one of them method of claim 1-3,5,7, which is characterized in that further include：

The pre-set business is to be specified in the preassigned business of business or base station or user signing contract information as defined in agreement Business or user terminal context in specify business.

9. according to the method described in claim 8, it is characterized in that, further including：

The first configuration information of user is obtained from mobile management entity MME, first configuration information is described default for determining Business.

10. according to the method described in claim 1-3,5, any one of 7, which is characterized in that further include：

The second configuration information of user is obtained from MME, second configuration information is used to determine the network migration criterion of user.

11. according to the method in claim 2 or 3, which is characterized in that further include：

The load information and/or signal quality for obtaining each access point in described access point information, according to the load information and/or Signal quality can use the precedence information of access point described in determining；

The precedence information is broadcasted in system message, in order to the user terminal according to the precedence information migrate to The WLAN.

12. according to the method in claim 2 or 3, which is characterized in that further include：

The load information and/or signal quality for obtaining each access point in described access point information, according to the load information and/or Signal quality is ranked up described access point, obtains sequencing information；

The sequencing information is sent to the user terminal, in order to the user terminal according to the sequencing information migrate to The WLAN.

13. a kind of network migration method, which is characterized in that including：

User terminal receives the notification information that base station is sent, and the notification information is used to indicate the user terminal from cellular network It migrates to WLAN；Wherein, the notification message is the negative of the current area belonging to user terminal in the base station Information carrying, which is ceased and/or can be determined with the load information of access point, indicates that the user terminal is migrated from the cellular network to the nothing Line LAN is sent to the user terminal later；Described can be when the user terminal initiates pre-set business with access point When, detect the access point of the available wireless local area networks；

Before the notification information that the reception base station is sent, further include：The user terminal sends access nothing to the base station The solicited message of line LAN；

Wherein, the base station belongs to the cellular network.

14. according to the method for claim 13, which is characterized in that further include：

The access-in point information for obtaining available wireless local area networks, the base station is sent to by described access point information；

15. according to the method for claim 14, which is characterized in that described access point information further includes the available wireless office The signal quality, and/or described access point of the corresponding access point of access point identity of domain net identify the load of corresponding access point Information, or

Described access point information further includes the corresponding access point of one or more access point identities of the available wireless local area networks Signal quality, and/or described access point identify the load information of corresponding access point.

16. the method according to claims 14 or 15, which is characterized in that the access point for obtaining available wireless local area networks Before information, further include：

Detect the access point of the available wireless local area networks.

17. according to the method for claim 16, which is characterized in that

The pre-set business is that the preassigned business of business or base station or user terminal application layer as defined in agreement are specified Business.

18. the method according to claims 14 or 15, which is characterized in that further include：

The access-in point information of the first access point is stored, first access point is the WLAN that the user terminal access is crossed Access point；

The cell ID of the cellular network cell detected in the coverage area of first access point is stored, and establishes described The mapping relations of one access point and the cell ID；

The cell ID for obtaining the current area belonging to user terminal, according to the mapping relationship searching and the current area The access point identity of corresponding first access point of cell ID, determines the access-in point information of the available wireless local area networks.

19. the method according to claims 14 or 15, which is characterized in that it is described described access point information is sent to it is described Base station specifically includes：

When the user terminal initiates pre-set business, described access point information is sent to the base station, the pre-set business The business specified for the preassigned business of business as defined in agreement or the base station or the user terminal application layer.

20. the method according to claims 14 or 15, which is characterized in that the access point for obtaining available wireless local area networks Described access point information is sent to the base station by information, including：

It determines mark of the signal quality higher than the access point of predetermined threshold value, access-in point information is determined according to the mark, it will be described Access-in point information is sent to the base station.

21. the method according to claims 14 or 15, which is characterized in that further include：

The access point of the available wireless local area networks is ranked up according to the signal quality of each access point and/or load information, Sequencing information is obtained, the sequencing information is sent to the base station.

22. according to the method for claim 13, which is characterized in that the solicited message of the access WLAN is for asking Ask the base station that the user terminal is moved to WLAN by cellular network.

23. according to the method for claim 22, which is characterized in that described to send access WLAN to the base station Solicited message specifically includes：

When the user terminal initiates pre-set business, the solicited message of access WLAN is sent to the base station, it is described Pre-set business is the business that the preassigned business of business or base station or user terminal application layer are specified as defined in agreement.

24. according to the method for claim 13, which is characterized in that the notification information includes the mark of target access Know；

The user terminal is migrated from the cellular network to the Wireless LAN according to the notification information, including：

The target access is accessed according to the mark of the target access in the notification information, from the cellular network Migrate the Wireless LAN corresponding to the target access.

25. according to the method for claim 13, which is characterized in that further include：

The precedence information for receiving the wireless local network connecting point of the base station broadcast selects to access according to the precedence information Point is accessed.

26. according to the method for claim 13, which is characterized in that further include：

The sequencing information that base station is sent is received, selects wireless local network connecting point to be accessed according to the sequencing information.

27. a kind of base station, which is characterized in that including：

Transmission unit, for sending notification information to user terminal, the notification information is used to indicate the user terminal from bee Base station described in nest network migration to WLAN belongs to the cellular network；

Before the transmission unit sends the notification information to the user terminal,

Receiving unit, the solicited message for receiving the access WLAN that the user terminal is sent；

Acquiring unit, load information for obtaining the current area belonging to user terminal and/or can use the load of access point to believe Breath, described when can be that the business initiated when the user terminal belongs to pre-set business with access point, the user terminal detects Available wireless local area networks access point；

Determination unit, for the current area belonging to the user terminal load information and/or described use access point Load information determine whether that the user terminal is migrated from the cellular network to the WLAN；

28. base station according to claim 27, which is characterized in that described

Receiving unit, the access-in point information sent for receiving the user terminal, described access point information include：The user The available wireless that the access point identity for the available wireless local area networks that terminal detects or the user terminal provide One or more of LAN access point identity.

29. base station according to claim 28, which is characterized in that the access-in point information that the receiving unit receives further includes The signal quality of the corresponding access point of access point identity for the available wireless local area networks that the user terminal detects, or

The access-in point information that the receiving unit receives further includes in the available wireless local area networks that the user terminal provides The corresponding access point of one or more access point identities signal quality.

30. according to claim 27-29 any one of them base station, which is characterized in that the request of the access WLAN Information is for asking the base station that the user terminal is moved to the WLAN by the cellular network.

31. base station according to claim 27, which is characterized in that the transmission unit is specifically used for working as the acquiring unit The load of the cellular network of acquisition is higher than first threshold, and/or, when the load for the available access point that the acquiring unit obtains is low When second threshold, the notification information is sent to the user terminal.

32. according to claim 27-29,31 any one of them base stations, which is characterized in that the transmission unit is specifically used for will The notification information is carried in wireless heterogeneous networks connection refusal RRC Connection Reject message and is sent to the use Family terminal；Or

The transmission unit is additionally operable to the notification information being carried on wireless heterogeneous networks Connection Release RRC Connection The user terminal is sent in Release message；Or

The transmission unit is additionally operable to the notification information being carried on wireless resource control connection reconfiguration RRC It is sent to the user terminal in Connection Reconfiguration message；Or

The transmission unit, which is additionally operable to the notification information being carried in paging Paging message, is sent to the user terminal； Or

The transmission unit is additionally operable to newly-built radio resource control RRC message, the notification information is carried on described newly-built The user terminal is sent in RRC information.

33. according to claim 27-29,31 any one of them base stations, which is characterized in that the transmission unit is additionally operable to Increase the mark of target access in the notification information, so that the user terminal accesses institute according to the notification information State the corresponding access point of mark of target access；

Wherein described access point belongs to the WLAN.

34. according to any one of them base station of claim 27-29,31,33, which is characterized in that the pre-set business is agreement Above and below the business or user terminal specified in the preassigned business of defined business or base station or user signing contract information The business specified in text.

35. base station according to claim 34, which is characterized in that the acquiring unit is additionally operable to from mobile management entity MME obtains the first configuration information of user, and first configuration information is for determining the pre-set business.

36. according to the base station described in claim 27-29,31, any one of 33, which is characterized in that the acquiring unit is also used In the second configuration information for obtaining user from MME, second configuration information is used to determine the network migration criterion of user.

37. the base station according to claim 28 or 29, which is characterized in that the base station further includes：

First processing units, load information and/or signal quality for obtaining each access point in described access point information, according to The load information and/or signal quality can use the precedence information of access point described in determining；

The transmission unit is additionally operable to broadcast the precedence information that the first processing units determine in system message, with It is migrated to the WLAN according to the precedence information convenient for the user terminal.

38. the base station according to claim 28 or 29, which is characterized in that the base station further includes：

Second processing unit, load information and/or signal quality for obtaining each access point in described access point information, according to The load information and/or signal quality are ranked up described access point, obtain sequencing information；

The transmission unit is additionally operable to the sequencing information that the second processing unit obtains being sent to the user terminal, so as to It is migrated to the WLAN according to the sequencing information in the user terminal.

39. a kind of user terminal, which is characterized in that including：

Receiving unit, the notification information for receiving base station transmission, the notification information are used to indicate the user terminal from bee Nest network migration is to WLAN；Wherein, the notification message is current small belonging to user terminal in the base station The load information in area and/or can be determined with the load information of access point indicate the user terminal from the cellular network migrate to The WLAN is sent to the user terminal later；Processing unit is logical for being received according to the receiving unit Know that information is migrated from the cellular network to the WLAN；Described can be when the user terminal is initiated in advance with access point If when business, detecting the access point of the available wireless local area networks；

Transmission unit, the solicited message for sending access WLAN to the base station；

Wherein, the base station belongs to the cellular network.

40. user terminal according to claim 39, which is characterized in that further include：

Transmission unit, the access-in point information for obtaining the acquiring unit are sent to the base station；

41. user terminal according to claim 40, which is characterized in that the access-in point information that the acquiring unit obtains is also The signal quality, and/or described access point of the corresponding access point of access point identity including the available wireless local area networks identify The load information of corresponding access point, or

The access-in point information that the acquiring unit obtains further includes one or more access point marks of the available wireless local area networks Know the signal quality of corresponding access point, and/or described access point identifies the load information of corresponding access point.

42. the user terminal according to claim 40 or 41, which is characterized in that further include：

Detection unit, the access point for detecting the available wireless local area networks.

43. user terminal according to claim 42, which is characterized in that the pre-set business be agreement as defined in business, Or the business that the preassigned business in base station or user terminal application layer are specified.

44. the user terminal according to claim 40 or 41, which is characterized in that further include：

Storage unit, the access-in point information for storing the first access point, first access point is the user terminal access The access point for the WLAN crossed；

The storage unit is additionally operable to the small of the cellular network cell detected in the coverage area for storing first access point Area identifies and the mapping relations of first access point and the cell ID；

The acquiring unit is specifically used for obtaining the cell ID of the current area belonging to user terminal, according to the storage unit The access point identity of the mapping relationship searching of storage the first access point corresponding with the cell ID of the current area, determines institute State the access-in point information of available wireless local area networks.

45. the user terminal according to claim 40 or 41, which is characterized in that the transmission unit is specifically used for when described When user terminal initiates pre-set business, described access point information is sent to the base station, the pre-set business provides for agreement The preassigned business of business or the base station or the specified business of the user terminal application layer.

46. the user terminal according to claim 40 or 41, which is characterized in that

The acquiring unit is specifically used for determining mark of the signal quality higher than the access point of predetermined threshold value, true according to the mark Determine access-in point information；

The transmission unit is used to the described access point information that the acquiring unit determines being sent to the base station.

47. the user terminal according to claim 40 or 41, which is characterized in that the processing unit is additionally operable to basis and respectively connects The signal quality and/or load information of access point are ranked up the access point of the available wireless local area networks, obtain sequencing information；

The transmission unit is used to the sequencing information that the processing unit obtains being sent to the base station.

48. user terminal according to claim 39, which is characterized in that the solicited message of the access WLAN is used The user terminal is moved into WLAN by cellular network in asking the base station.

49. user terminal according to claim 48, which is characterized in that the transmission unit is specifically used for working as the user When terminal initiates pre-set business, the solicited message of access WLAN is sent to the base station, the pre-set business is agreement The business that the preassigned business of defined business or base station or user terminal application layer are specified.

50. user terminal according to claim 39, which is characterized in that wrapped in the notification information that the receiving unit receives Include the mark of target access；

The processing unit is specifically used for accessing the target according to the mark of the target access in the notification information Access point migrates the Wireless LAN corresponding to the target access from the cellular network.

51. user terminal according to claim 39, which is characterized in that the receiving unit is additionally operable to receive the base station The precedence information of the wireless local network connecting point of broadcast；

The processing unit is specifically used for selecting access point to be accessed according to the precedence information.

52. user terminal according to claim 39, which is characterized in that the receiving unit is additionally operable to receive base station transmission Sequencing information；

The processing unit is specifically used for selecting wireless local network connecting point to be accessed according to the sequencing information.