CN104756541B

CN104756541B - A kind of shunt method and equipment of wireless network

Info

Publication number: CN104756541B
Application number: CN201380003016.1A
Authority: CN
Inventors: 戴明增; 张宏平; 曾清海
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-05-15
Filing date: 2013-05-15
Publication date: 2019-02-05
Anticipated expiration: 2033-05-15
Also published as: CN104756541A; WO2014183276A1

Abstract

The present invention discloses the shunt method and equipment of a kind of wireless network.The shunt method of wireless network includes: that user equipment receives the instruction information that base station is sent, which is used to indicate user equipment in wireless cellular network in connected state；The user equipment sends instruction information to wireless access point, and the default bearing of wireless cellular network is retained for wireless access point instruction equipment of the core network, which is in connected state for user equipment in wireless cellular network；The user equipment branches to WLAN.By the above-mentioned means, can guarantee reasonable diffluence of the business of user equipment between RAN and WLAN, the experience of user is promoted.

Description

A kind of shunt method and equipment of wireless network

Technical field

The invention belongs to wireless communication technology fields, and in particular to a kind of shunt method and equipment of wireless network.

Background technique

With the development of mobile internet, the requirement of the service quality and network speed that cellular communication system are capable of providing It is higher and higher.

LTE(Long Term Evolution long term evolution project) it is 3GPP(3rd Generation Partnership Program, third generation partner program) wireless communication technique dominated.As the communication technology more advanced than UMTS, LTE Service delay can be reduced, increases power system capacity, improve user data rate and saves networking cost.In LTE base station be responsible for User equipment foundation eats dishes without rice or wine to link, and user equipment is communicated by base station with core net, the service provided using network.

WLAN (Wireless Local Access Network, WLAN) is the wireless of local network LAN, It enables users to get rid of the constraint of cable, can easily access under various scenes and use network.Wherein, one as WLAN Kind form performance, WiFi (Wireless Fidelity, Wireless Fidelity) can provide above-mentioned Communications service.

Although LTE and subsequent LTE-A wireless communication technique can provide considerable air interface transmission rate, in movement The epoch of internet, in face of the data traffic of explosive growth, interface-free resources it is abundance by very big test.To answer logarithm According to network congestion caused by sharp increase, operator must increase the quantity of network base station to improve handling capacity, and this meeting Increase the investment in equipment and maintenance cost of operator.WLAN has link data rates height, equipment as a kind of wireless access technology The advantages such as cost of investment is low provide possible scheme to solve the above-mentioned contradiction of operator.

With increasing rapidly for mobile broadband data, user equipment is linked into WLAN by more and more operator deployments Shunt business datum.In order to realize that the WLAN shunt of wireless network, current 3GPP standard mutually grasp 3GPP network with WLAN It is standardized, one of technology is exactly IP flow mobility (IP Flow Mobility, IFOM).

In IFOM technology, due to being that user equipment voluntarily controls distributing strategy, wirelessly connect since it can not perceive 3GPP The load condition and channel quality of eating dishes without rice or wine of networking (Radio Access Network, RAN) and WLAN, can not be protected using the program Demonstrate,prove reasonable diffluence of the business of user equipment between RAN and WLAN.

Summary of the invention

The application avoids user from setting mainly solving the technical problems that provide the shunt method and equipment of a kind of wireless network When standby requested service shunts, it is unable to ensure reasonable diffluence of the business of user equipment between wireless cellular network and WLAN.

In view of this, the application provides the shunt method and equipment of a kind of wireless network, it can be ensured that user equipment shunts When to WLAN, connected state is still in wireless cellular network, thus guarantee the business of user in wireless cellular network and Normal shunting between WLAN.

The application includes the following steps: that user equipment receives base in a first aspect, provide a kind of shunt method of wireless network Stand send instruction information, the instruction information be used to indicate the user equipment in wireless cellular network be in connected state； The user equipment sends the instruction information to wireless access point, retains for wireless access point instruction equipment of the core network The default bearing of the wireless cellular network, the default bearing is for the user equipment in the wireless cellular network In connected state；The user equipment branches to the WLAN.

With reference to first aspect, in the first possible implementation of the first aspect: described in the user equipment receives The instruction information that base station is sent, specifically includes: the user equipment receives the shunting order that the base station is sent, and described point Stream order is used to indicate the user equipment and the radio bearer of the user equipment is branched to the wireless access point；Wherein, The shunting order includes the instruction information.

With reference to first aspect or the first possible implementation of first aspect, second in first aspect are possible In implementation, the method also includes: the user equipment sends to the base station and shunts request, and the shunting request is used for The radio bearer of the user equipment is branched to the wireless access point by request；Wherein, the radio bearer excludes described silent Recognize carrying.

With reference to first aspect or the first possible implementation of first aspect, the third possible reality on the one hand In existing mode, the method also includes: the user equipment sends to the base station and shunts request, and the shunting request is for asking The radio bearer by the user equipment is asked to branch to the wireless access point；Wherein, the shunting request includes the default Carrying, determines whether to maintain connected state of the user equipment in the wireless cellular network for base station.

With reference to first aspect or the possible implementation of any one of the above of first aspect, at the 4th kind of first aspect In possible implementation, the method also includes: the user equipment is protected into the branching process of the WLAN Stay the default bearing.

Second aspect provides a kind of shunt method of wireless network, comprising the following steps: base station is determined user equipment certainly Wireless cellular network branches to WLAN；The base station sends instruction information, the instruction information to the user equipment The user equipment is used to indicate in the wireless cellular network in connected state so that the user equipment branch to it is described When WLAN, keep connecting with the wireless cellular network.

In conjunction with second aspect, in the first possible implementation of the second aspect, further includes: the base station receives core The default bearing for the wireless cellular network that heart net equipment is sent, the default bearing is for the user equipment in the nothing Connected state is in line cellular network, the equipment of the core network is located at the wireless cellular network.

In conjunction with the possible implementation of the first of second aspect or second aspect, second in second aspect is possible In implementation, the method also includes: the base station receives the shunting request that the user equipment is sent, the shunting request For requesting the radio bearer of the user equipment branching to the WLAN from the wireless cellular network.

In conjunction with the possible implementation of any one of the above of second aspect or second aspect, in the third of second aspect Possible implementation, the base station send instruction information to the user equipment, specifically include: the base station is to the user Equipment, which is sent, shunts order, and the shunting order is used to indicate the radio bearer that the user equipment will be used for the user equipment Branch to the WLAN；Wherein, the shunting order includes the instruction information.

In conjunction with second of second aspect or in the third possible implementation, the 4th kind in second aspect is possible In implementation, the radio bearer excludes the default bearing.

In conjunction with the possible implementation of any one of the above of second aspect or second aspect, at the 5th kind of second aspect In possible implementation, further includes: the base station sends the instruction information to the equipment of the core network, is used to indicate described Equipment of the core network retains the default bearing of the wireless cellular network.

The third aspect provides a kind of shunt method of wireless network, comprising the following steps: wireless access point receives user and sets The instruction information that preparation is sent, the instruction information are used to indicate when the user equipment branches to wireless office from wireless cellular network When domain is netted, the user equipment is in connected state in the wireless cellular network；The wireless access point is to equipment of the core network The instruction information is sent, the default bearing of the wireless cellular network is retained for the equipment of the core network, the default is held It carries and is in connected state in the wireless cellular network for the user equipment.

In conjunction with the third aspect, in the first possible implementation of the third aspect: the instruction information further refers to Show that the radio bearer by the user equipment branches to the WLAN.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, second in the third aspect is possible In implementation: the radio bearer excludes the default bearing.

Fourth aspect provides a kind of shunt method of wireless network, comprising the following steps: equipment of the core network receives instruction letter Breath, the instruction information are used to indicate when user equipment branches to WLAN from wireless cellular network, and the user sets It is standby that connected state is in the wireless cellular network；The default that the equipment of the core network retains the wireless cellular network is held It carries, the default bearing is in connected state for the user equipment in the wireless cellular network.

In conjunction with fourth aspect, in the first possible implementation of the fourth aspect, further includes: the equipment of the core network The default bearing is sent to base station, for the radio bearer of the user equipment to be branched to wireless access point, and keeps institute User equipment is stated in the wireless cellular network in connected state, the base station is located at the wireless cellular network.

In conjunction with the possible implementation of the first of fourth aspect or fourth aspect, second in fourth aspect is possible In implementation, the equipment of the core network retains the default bearing of the wireless cellular network, specifically includes: the core net is set The standby service quality QOS for updating the default bearing.

In conjunction with second of possible implementation of fourth aspect, in the third possible implementation of fourth aspect In, the equipment of the core network sends the default bearing to the base station, and specifically include: the equipment of the core network is to the base station Radio bearer more newer command is sent, the service quality QOS of the default bearing is updated for the base station, the radio bearer is more Newer command includes the default bearing updated.

In conjunction with any of the above-described kind of possible implementation of fourth aspect or fourth aspect, the 4th kind in fourth aspect can In the implementation of energy, the equipment of the core network receives instruction information, and specifically include: the equipment of the core network receives the base station The radio bearer of transmission discharges request, and the radio bearer release request includes the instruction information.

In conjunction with any of the above-described kind of possible implementation of fourth aspect or fourth aspect, the 5th kind in fourth aspect can In the implementation of energy, the equipment of the core network receives instruction information, specifically includes: the equipment of the core network receives described wireless The creation session request that access point is sent, the creation session request includes the instruction information.

In conjunction with any of the above-described kind of possible implementation of fourth aspect or fourth aspect, the 6th kind in fourth aspect can In the implementation of energy, the radio bearer excludes the default bearing.

5th aspect, provides a kind of user equipment, comprising: receiving unit, for receiving the instruction information of base station transmission, institute It states instruction information and is used to indicate the user equipment in wireless cellular network in connected state；Transmission unit is used for wireless Access point sends the instruction information, so that wireless access point instruction equipment of the core network retains the wireless cellular network Default bearing, the default bearing are in connected state for the user equipment in the wireless cellular network；Dividing cell, For the user equipment to be branched to the WLAN.

In conjunction with the 5th aspect, in the first possible implementation of the 5th aspect: the receiving unit, it is specific to use In: the shunting order of the base station transmission is received, the shunting order is used to indicate the user equipment for the user equipment Radio bearer branch to the wireless access point；Wherein, the shunting order includes the instruction information.

In conjunction with the first possible implementation of the 5th aspect or the 5th aspect, second at the 5th aspect is possible In implementation, the transmission unit is also used to: shunting request to base station transmission, the shunting request will for request The radio bearer of the user equipment branches to the wireless access point；Wherein, the radio bearer excludes the default bearing.

In conjunction with the first possible implementation of the 5th aspect or the 5th aspect, the third at the 5th aspect is possible In implementation, the transmission unit is also used to: shunting request to base station transmission, the shunting request will for request The radio bearer of the user equipment branches to the wireless access point；Wherein, the shunting request includes the default bearing, Determine whether to maintain connected state of the user equipment in the wireless cellular network for base station.

In conjunction with the possible implementation of any one of the above of the 5th aspect or the 5th aspect, at the 4th kind of the 5th aspect In possible implementation, further includes: stick unit, for into the branching process of the WLAN, described in reservation Default bearing.

6th aspect, provides a kind of base station, including determination unit, divides user equipment from wireless cellular network for determining It flow to WLAN；Transmission unit, for sending instruction information to the user equipment, the instruction information is used to indicate institute User equipment is stated in the wireless cellular network in connected state, so that the user equipment branches to the WLAN When, it keeps connecting with the wireless cellular network.

In conjunction with the 6th aspect, in the first possible implementation of the 6th aspect, further includes: receiving unit is used for Receive equipment of the core network send the wireless cellular network default bearing, the default bearing for the user equipment in Connected state is in the wireless cellular network, the equipment of the core network is located at the wireless cellular network.

In conjunction with the first possible implementation of the 6th aspect or the 6th aspect, second at the 6th aspect is possible In implementation, the receiving unit is also used to: receiving the shunting request that the user equipment is sent, the shunting request is used The radio bearer of the user equipment is branched into the WLAN from the wireless cellular network in request.

In conjunction with the possible implementation of any one of the above of the 6th aspect or the 6th aspect, in the third of the 6th aspect In possible implementation, the transmission unit is specifically used for: it is sent to the user equipment and shunts order, the shunting life Order is used to indicate the user equipment and the radio bearer for being used for the user equipment is branched to the WLAN；Wherein, The shunting order includes the instruction information.

In conjunction with second or the third possible implementation of the 6th aspect, in the 4th kind of possible reality of the 6th aspect In existing mode, the radio bearer excludes the default bearing.

In conjunction with the possible implementation of any one of the above of the 6th aspect or the 6th aspect, at the 5th kind of the 6th aspect In possible implementation, the transmission unit is also used to: the instruction information is sent to the equipment of the core network, for referring to Show that the equipment of the core network retains the default bearing of the wireless cellular network.

7th aspect, provides a kind of wireless access point, comprising: receiving unit, for receiving the instruction of user equipment transmission Information, the instruction information is used to indicate when the user equipment branches to WLAN from wireless cellular network, described User equipment is in connected state in the wireless cellular network；Transmission unit, for sending the instruction to equipment of the core network Information, so that the equipment of the core network retains the default bearing of the wireless cellular network, the default bearing is used for the use Family equipment is in connected state in the wireless cellular network.

In conjunction with the 7th aspect, in the first possible implementation of the 7th aspect: the instruction information further refers to Show that the radio bearer by the user equipment branches to the WLAN.

In conjunction with the first possible implementation of the 7th aspect or the 7th aspect, second at the 7th aspect is possible In implementation: the radio bearer excludes the default bearing.

Eighth aspect provides a kind of equipment of the core network, comprising: receiving unit, for receiving instruction information, the instruction letter Breath is used to indicate when user equipment branches to WLAN from wireless cellular network, and the user equipment is in the wireless bee Connected state is in nest network；Processing unit, for retaining the default bearing of the wireless cellular network, the default bearing is used Connected state is in the wireless cellular network in the user equipment.

In conjunction with eighth aspect, in the first possible implementation of eighth aspect, further includes: transmission unit is used for The default bearing is sent to base station, to shunt the radio bearer of the user equipment to wireless access point, and keeps the use Family equipment is in connected state in the wireless cellular network, and the base station is located at the wireless cellular network.

In conjunction with the possible implementation of the first of eighth aspect or eighth aspect, second in eighth aspect is possible In implementation, the processing unit is specifically used for: updating the service quality QOS of the default bearing.

In conjunction with second of possible implementation of eighth aspect, in the third possible implementation of eighth aspect In, the transmission unit is specifically used for: radio bearer more newer command is sent to the base station, for described in the update of the base station The service quality QOS of default bearing, the radio bearer more newer command include the default bearing updated.

In conjunction with any of the above-described kind of possible implementation of eighth aspect or eighth aspect, the 4th kind in eighth aspect can In the implementation of energy, the radio bearer excludes the default bearing.

Above-mentioned technical proposal, base station send instruction information to user equipment, which is used to indicate the user equipment Connected state is in wireless cellular network；Also, the user equipment is believed via wireless access point to the equipment of the core network instruction Breath, makes equipment of the core network retain the default bearing of the wireless cellular network, to guarantee user equipment in a wireless cellular network Connected state, be further ensured that reasonable diffluence of the user equipment between wireless cellular network and WLAN.

Detailed description of the invention

Fig. 1 is the schematic diagram of one embodiment of network system of the shunt method application of the application wireless network；

Fig. 2 is the flow chart of one embodiment of shunt method of the application wireless network；

Fig. 2 a is the schematic diagram of one embodiment of network system of the shunt method application of the application wireless network；

Fig. 3 is the flow chart of the shunt method another embodiment of the application wireless network；

Fig. 4 is the flow chart of the shunt method another embodiment of the application wireless network；

Fig. 5 is the flow chart of the shunt method another embodiment of the application wireless network；

Fig. 6 is the flow chart of the shunt method another embodiment of the application wireless network；

Fig. 7 is the structural schematic diagram of one embodiment of the application user equipment；

Fig. 8 is the structural schematic diagram of one embodiment in the application base station；

Fig. 9 is the structural schematic diagram of one embodiment of the application wireless access point；

Figure 10 is the structural schematic diagram of one embodiment of the application equipment of the core network；

Figure 11 is the structural schematic diagram of the application user equipment another embodiment；

Figure 12 is the structural schematic diagram of the application user equipment another embodiment；

Figure 13 is the structural schematic diagram of the application base station another embodiment；

Figure 14 is the structural schematic diagram of the application wireless access point another embodiment；

Figure 15 is the structural schematic diagram of the application equipment of the core network another embodiment.

Specific embodiment

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

It should be understood that technical solution of the present invention can be applied to various communication systems, and such as: global system for mobile telecommunications (Global System of Mobile communication, GSM) system, CDMA (Code Division Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) it system, General Packet Radio Service (General Packet Radio Service, GPRS), drills for a long time Into (Long Term Evolution, LTE) system, advanced long term evolution (Advanced long term evolution, LTE-A) system, Universal Mobile Communication System (Universal Mobile Telecommunication System, UMTS) Deng.

It should also be understood that in embodiments of the present invention, user equipment (UE, User Equipment) includes but is not limited to move Platform (MS, Mobile Station), mobile terminal (Mobile Terminal), mobile phone (Mobile Telephone), hand Machine (handset) and portable equipment (portable equipment) etc., the user equipment can through wireless access network (RAN, Radio Access Network) it is communicated with one or more core nets, for example, user equipment can be mobile phone (or be " honeycomb " phone), computer with wireless communication function etc., user equipment can also be portable, pocket, Hand-held, built-in computer or vehicle-mounted mobile device.

In embodiments of the present invention, base station (for example, access point), which can be, refers to the accession in net in the sky on interface by one The equipment of a or multiple sectors and wireless terminal communications.The air frame that base station can be used for receive mutually is turned with IP grouping It changes, as the router between wireless terminal and the rest part of access net, wherein the rest part for accessing net may include internet Agreement (IP) network.Attribute management of the base station also tunable to air interface.For example, base station can be the base in GSM or CDMA Stand (BTS, Base Transceiver Station), is also possible to the base station (NodeB) in WCDMA, can also be in LTE Evolved base station (NodeB or eNB or e-NodeB, evolutional Node B), the present invention does not limit.

Refering to fig. 1, Fig. 1 is the signal of one embodiment of network system of the shunt method application of the application wireless network Figure, network system includes user equipment 100, access device 200 and equipment of the core network 300, and equipment of the core network 300 is network industry Business supplier and access net, or access net access the bridge that nets link together with other, are the numbers for managing core net end According to summation process is asked, network is routed on different networks.Core net is the network in addition to access net and the local network of users Part.Equipment of the core network 300 may include grouped data network gateway (packet data network gateway, abbreviation PDNGW), mobility management entity (mobility management entity, abbreviation MME), strategy with billing function unit, Or interchanger etc..

Access device 200 is used for long-range access Internet resources, and access device 200 can be nothing in the application embodiment The access point etc. of line communication base station, network controller either WLAN.Access device 200 and equipment of the core network 300 Between realize communication, by signal conversion or policy control, the one or more wirelessly or non-wirelessly networks of access.One access is set Standby 200 combine a variety of radio robots, including voice and are linked to a carrier by single shared access or service mentions For the data of quotient's connection station.Access device 200 can be requested by radio-frequency technique according to the data distribution of user equipment 100, real Wireless network deployment is now shunted into business datum at multiple WLAN.So that user equipment 100 is by 3GPP Cellular Networks and/or not Data transmission can be completed between same WLAN.WIFI is usually by access point (Access Point, abbreviation AP) and work station (station, abbreviation STA) composition.Above-mentioned AP is responsible for providing network insertion to STA, while being also between WLAN and traditional network Tie point.

User equipment 100 can be including terminal devices such as mobile phone, palm PC, notebook, PC, and user equipment 100 exists When wishing service distributing, the shunting of wireless network is requested to access device 200, with realize by wireless network transmissions data with And data access etc..

The application is to solve in the prior art, the skill that user equipment can not normally shunt between wireless cellular network and WLAN Art problem provides the shunt method and equipment, system of a kind of wireless network.Above-mentioned shunt method may include:

User equipment receives the instruction information that base station is sent, which is used to indicate user equipment in wireless cellular network Connected state is in network；

User equipment sends the instruction information to wireless access point, keeps using for wireless access point instruction equipment of the core network Family equipment is in connected state in wireless cellular network；

User equipment branches to the WLAN.

In the application difference embodiment, above-mentioned wireless access point is located at WLAN, above-mentioned base station and equipment of the core network Positioned at wireless cellular network.

Above scheme can indicate that user equipment keeps connected state at the end RAN by the access device at the end RAN, guarantee to use Normal reasonable diffluence of the family equipment between WLAN and RAN, to promote the experience of user.

Hereinafter, above-mentioned shunt method is specifically described herein in conjunction with a variety of different embodiments.

Referring to Fig. 2, Fig. 2 is the flow chart of one embodiment of shunt method of the application wireless network, this embodiment party The shunt method of formula wireless network is described with the angle of user equipment.The shunt method packet of this implementation wireless network It includes:

S201: user equipment receives the instruction information that base station is sent, and the instruction information is used to indicate the user equipment Connected state is in wireless cellular network.

In the present embodiment, base station can according to the request of user equipment, the load state or distributing strategy of base station itself, User equipment is diverted in WLAN by decision from wireless cellular network, and is decided whether the user equipment in wireless cellular network Middle holding connected state.If base station determines the user equipment keeping connected state in a wireless cellular network, base station can to Family equipment sends above-mentioned instruction information, and instruction user equipment keeps connected state or instruction user equipment in a wireless cellular network It is bi-directionally connected with holding in wireless cellular network and WLAN.This is bi-directionally connected, it can be understood as user equipment is in wireless cellular network Connected state is in network.Meanwhile the user equipment and WLAN also can normal communications.

Illustrate herein, in order to select suitable WLAN, on the one hand, what base station may be scanned by user equipment to report WLAN mass, load etc. or 3GPP Network measurement information judge user equipment under the covering of which (a little) WLAN, which WLAN Eat dishes without rice or wine quality and load is more suitable for passing by the service distributing.On the other hand, base station may also be obtained by interacting with WLAN User equipment under the covering of which (a little) WLAN and the information such as quality and load of eating dishes without rice or wine of these WLAN, to select to close Suitable WLAN.If WLAN is connected to core net by 3GPP RAN, base station be also contemplated that 3GPP RAN load, particularly Load condition between 3GPP RAN and core net backhaul, to select suitable WLAN.

In a wireless cellular network, when user equipment is in open state, but wireless heterogeneous networks (radio is not established Resource control, RRC) connection when, referred to as user equipment is in Idle state.For example, the Idle state of above-mentioned user equipment It can be Evolved Packet System (evolved packet system, EPS) connectivity management (EPS connectivity Management, ECM) idle state (ECM-IDLE), main feature is as follows:

Without signaling connection between user equipment and wireless cellular network, in the Universal Terrestrial wireless access network of evolution It is not set in (evolved universal terrestrial radio access network, abbreviation E-UTRAN) for user Establish for distributing radio resource and not UE context；

Without S1-MME and S1-U connection between user equipment and wireless cellular network, the S1-MME is between base station and MME Interface, interface of the S1-U between base station and gateway (serving gateway, abbreviation serving GW)；

When the user equipment in Idle state is when there is downlink data arrival, data should be terminated in serving GW, and by MME initiates paging.

In the present embodiment, when establishing RRC connection between user equipment and wireless cellular network, referred to as at the user equipment In connected state.For example, the connected state of above-mentioned user equipment can be the connection status (ECM-CONNECTED) of ECM, it is main special It levies as follows:

There is signaling connection between user equipment and wireless cellular network, this signaling connection includes that RRC connection and S1-MME connect Connect two parts；

Wireless cellular network is cell-level to accuracy known to location of user equipment；

S1 release process will make UE from ECM-CONNECTED state transition to ECM-IDLE state, which discharges process can With the UE context being responsible in management release base station.

To sum up, when user equipment is from wireless cellular network to WLAN shunt, by user equipment in wireless cellular network Connected state is maintained in network following benefit:

Accelerate movement of the user equipment between wireless cellular network and WLAN, can equally reduce user equipment at two is Mobile brought time delay between system；

Some higher business of real time and reliability can be placed on wireless cellular network, to guarantee necessary service quality (quality of service, abbreviation QoS).For example, internet protocol voice (voice of can be similar to by some Internet protocol, abbreviation VoIP) ensures bit rate (guaranteed bit rate, abbreviation GBR) business be placed on Wireless cellular network；

For IP multimedia subsystem voice (voice of IP multimedia is not supported in wireless cellular network Subsystem, abbreviation VoIMS), if to initiate the voice, need through circuit switched fallback (circuit switching Fallback, abbreviation CS fallback) process needs user equipment to accelerate the rollback process in wireless cellular network Middle holding connected state.

In the present embodiment, this method further include: user equipment receives the shunting order that base station is sent, which uses The radio bearer of user equipment is branched into wireless access point in instruction user equipment, which includes above-mentioned instruction letter Breath.Above-mentioned radio bearer, may include dedicated bearer and default bearing, which can be understood as to certain specific transactions Used System Architecture Evolution (system architecture evolution, abbreviation SAE) carrying.For example, dedicated bearer It can be carried for GBR or Non-GBR SAE.So-called GBR SAE carrying is that dedicated network relevant to GBR carrying is guaranteed provides Source is permanently assigned to some carrying for example, by functions such as the admission controls of base station during carrying is established or is modified, this Be carried in bit rate be required to guarantee it is constant.It otherwise, is then a Non- it cannot be guaranteed that the rate of a carrying is constant GBR carrying.Specifically, the radio bearer of user equipment is branched to wireless access point, it is understood that be by the user equipment Some or all of service distributing to wireless access point.

S202: user equipment sends instruction information to wireless access point, protects for wireless access point instruction equipment of the core network The default bearing of wireless cellular network is stayed, default bearing is in connected state for user equipment in wireless cellular network.

In the present embodiment, wireless access point can indicate equipment of the core network to the equipment of the core network transparent transmission instruction information User equipment is maintained into connected state in a wireless cellular network.For example, after wireless access point receives the instruction information, it can The instruction information to be included in session establishment request (Create Session Request) message, it is carried to PDN GW. As a kind of implementation for maintaining user equipment connected state in a wireless cellular network, which can retain radio honeycomb The default bearing of the user equipment in network.

Illustrate herein, above-mentioned default bearing can be user's carrying of a kind of data for meeting default QoS and signaling.Example Such as, default bearing can be understood as it is a kind of offer do one's best Internet Protocol (internet protocol, abbreviation IP) connection Carrying, always online IP connection is provided to user equipment.Also, default bearing should be Non-GRB SAE carrying.User sets The standby each packet data network (Packet Data Network, abbreviation PDN) for needing and belonging in wireless cellular network is established At least one default bearing guarantees the always online IP connection of the user equipment.If the PDN connection of above-mentioned user equipment Default bearing be deleted, then all dedicated bearers of user equipment must be deleted in the PDN, i.e. the PDN connection needs to discharge. If the above-mentioned unique default bearing of the user equipment is deleted, which needs by attachment removal.Therefore in radio honeycomb In the interoperability of network and WLAN, the connected state of user equipment in a wireless cellular network is kept, then needs wireless cellular network At least guarantee a default bearing of the user equipment.

In the present embodiment, this method further include: user equipment is sent to base station shunts request, which requests for asking It asks and the radio bearer for being used for the user equipment is branched into wireless access point.Wherein, which can not include described silent Recognize carrying, in order to avoid the default bearing is deleted in a wireless cellular network, is released so as to cause the PDN connection or user sets For by attachment removal.

Illustrate herein, user equipment can then carry business information to nothing if it is desired to when by service distributing to WLAN Line access point issues wireless network and shunts request.Wireless network shunts request and sends in the form of a message, can be in the request message Including the business information that request shunts, such as transmission control protocol/User Datagram Protocol (Transmission Control Protocol/User Datagram Protocol, TCP/UDP) IP header five-tuple, traffic flow template (Traffic Flow Template, TFT), application identities etc..Five-tuple refers to by source IP address, source port, purpose IP address, destination One set of this five amount compositions of mouth and transport layer protocol number.Such as: 192.168.1.1,0000, TCP, 21.14.88.76,80 a five-tuple is just constituted.

By taking LTE system as an example, above-mentioned user equipment receives the instruction information that base station is sent, and specifically include: base station, which passes through, is Message of uniting broadcasts instruction information to user equipment, is used to indicate the user equipment and holds connected state or the user in LTE Equipment and LTE and WLAN keep dual link.

In a kind of optional embodiment, the instruction information which broadcasts according to the system message is asked to base station Other dedicated bearers in addition to default bearing are asked to branch to WLAN.For example, user equipment receives the system message, set in the user When standby certainly directional base station initiates to shunt request, the instruction information of the system message is checked, if being designated as keeping the user equipment Connected state, then it is corresponding to obtain default bearing for the Non-Access Stratum (non-access stratum, NAS layers of abbreviation) of the user equipment Load identification, and while initiating to base station and shunt request, carries other dedicated bearers, but does not carry the default bearing, i.e., will The default bearing is diverted to WLAN, maintains connected state of the user equipment in LTE for base station.

In another optional embodiment, base station determine user equipment keep connected state in LTE when, respectively to Family equipment and equipment of the core network send above-mentioned instruction information.

In above-mentioned optional embodiment, on the one hand, base station can reconfigure order for the holding user equipment by RRC The instruction of connected state is sent to user equipment, and the rrc layer of the user equipment is submitted to the NAS layer of the user equipment after receiving. Then, which does not initiate the deactivation process of default bearing, i.e. the user equipment retains the default bearing.Specifically, User equipment retains above-mentioned default bearing, can hold not carry the default when the user equipment initiates to base station and shunts request It carries, to guarantee the user equipment when part or all of service distributing is to WLAN, the user equipment is in a wireless cellular network It is still in connected state.Or, default bearing instruction is sent to by the user equipment together when thinking that request is initiated to shunt in base station Base station, so as to so that base station voluntarily determines whether to maintain the user equipment according to the request and/or Network status of user equipment Connected state in a wireless cellular network, if base station determines to maintain the connected state of the user equipment in a wireless cellular network, then Default bearing WLAN is not diverted to.Above-mentioned Network status can be the situation of wireless cellular network and/or WLAN.

On the other hand, equipment of the core network, such as after PDN GW receives above-mentioned instruction information, determine to retain the user equipment Default bearing.Specifically, PDN GW can retain the current default bearing of the user equipment；PDN GW can also update the use Equipment current default bearing in family recalculates the qos parameter of the default bearing, such as can be by the polymerization of the default bearing Bit maximum rate (aggregate maximum bit rate, abbreviation AMBR) is reduced to minimum value.For example, work as user When the signing bandwidth of equipment is 20,000,000 (million, abbreviation M), PDN GW can retain the bandwidth of user equipment 1M in LTE, Will the AMBR of the bandwidth be revised as 1M from 20M.For another example, when there is multiple defaults to hold, PDN GW can delete several defaults Carrying, retains remaining default bearing, to realize the AMBR for modifying the bandwidth.Then, PDN GW sends carrying more to base station New request message carries above-mentioned reservation or updated default bearing in the bearer update request message.Base station receives this and holds It carries after updating request message, retains or update the qos parameter of the default bearing, user equipment is maintained into connected state in LTE.

In another optional embodiment, the instruction information which broadcasts according to the system message, by dividing It flows request message and carries default bearing.For example, user equipment is by the corresponding load identification of default bearing, such as Evolved Packet System (evolved packet system, abbreviation EPS) Bearer ID or Data Radio Bearer (data radio bearer, letter Claiming DRB) ID carries and is transmitted directly to base station in shunting request, it is used for the identification of base stations default bearing, and according to user equipment Request and/or network situation, decide whether to maintain connected state of the user equipment in LTE.

In the present embodiment, base station can also voluntarily obtain the information of above-mentioned default bearing.Still by taking LTE as an example, wireless When carrying is established or customer equipment context is established, MME can send default bearing instruction to base station.For example, MME can be with Using a scheduled load identification, or increases a cell and indicate that specified load identification is default bearing to base station.Example Such as, MME is established in request message in initial context, indicates that some radio bearer is default bearing to base station.Alternatively, user sets Standby reconfigure in RRC completes to indicate that some is carried as default bearing to base station in message.Therefore base station can be by the default bearing A part as UE context is indicated, to save default bearing instruction.When base station determines wirelessly holding user equipment When carrying to WLAN shunt, it can choose and the default bearing of the user equipment be not diverted to WLAN, to maintain the user equipment It is in a wireless cellular network connected state；The default bearing is diverted to WLAN or, also can choose, thus by the user equipment Idle state is changed into from connected state.

Illustrate herein, even if base station, which is learned above-mentioned default bearing from MME and determined, retains the default bearing, subsequent core Net equipment such as PDN GW can also update above-mentioned default bearing, such as change the QOS parameter of default bearing, then will be updated The QOS parameter of default bearing is sent to base station, so that base station adjusts above-mentioned default bearing.PDN GW receives above-mentioned instruction information Afterwards, the concrete operations for retaining or updating above-mentioned default bearing can be found in relevant portion above, and details are not described herein.

In the present embodiment, above-mentioned user equipment sends instruction information to wireless access point, specifically includes: in user equipment During being linked into wireless access point, user equipment can be by sending Extensible Authentication Protocol to the wireless access point (Extensible authentication protocol, abbreviation EAP) authentication request message or L3 Attach Request message, should EAP authentication request message or L3 Attach Request message include above-mentioned instruction message, are used to indicate and maintain the user equipment in nothing Connected state in line cellular network.

S203: user equipment branches to WLAN.

In the present embodiment, user equipment retains above-mentioned default bearing in the branching process to WLAN, thus Guarantee that it maintains connected state in a wireless cellular network.

In a kind of optional embodiment, which is branched to WLAN from wireless cellular network by base station. For example, user equipment can be according to the shunting order of base station, by base station by the service distributing of the user equipment to wireless local area Net.

In another optional embodiment, user equipment voluntarily branches to WLAN.

For example, user equipment is found from automatic network and selection function (Access Network Discovery and Selection Function, abbreviation ANDSF) distributing strategy of wireless network is obtained in entity or the preconfigured information of itself, The branching process for voluntarily initiating wireless network, indicates equipment of the core network, as specified services are diverted to WLAN, PDN GW by PDNGW It is shunted according to instruction.

Once successfully by the service distributing of user equipment to WLAN, if wireless cellular network is that the business establishes individually EPS carrying, then base station may initiate (or user equipment initiation) deleting load-bearing process, come delete corresponding EPS carrying or its A part.If therefore to initiate deleting load-bearing process, accesses in results messages and wrap containing the WLAN for successfully shunting service identification Load identification containing EPS (Bearer ID).If the WLAN for participating in shunting does not have data with the 3GPP network that user equipment is connected to Face anchor point then deletes corresponding whole EPS carrying.If the WLAN for participating in shunting has with the 3GPP network that user equipment is connected to Data surface anchor point deletes the data surface anchor point part below.For example, if the data for participating in shunting WLAN are connect by base station Enter to internet, then only delete the part of eating dishes without rice or wine of corresponding carrying, is i.e. EPS is carried on the part between base station and user equipment.

Wireless cellular network has many advantages, such as wide coverage, supports high-speed mobile, while having that data rate is low, price High, the disadvantages of transimission power is big, it is relatively more suitable for the scenes such as high-speed motion, outdoor a wide range of activity.And Wireless LAN has Have the advantages that data rate is high, price is low, transimission power is small, while having coverage area small, is relatively more suitable for opposing stationary, room The scenes such as interior small range activity.After wireless cellular network and the respective advantage and disadvantage of WLAN, it is polymerizable this two Kind system realizes the communication process of high efficiency, low cost the advantages of organically combining the two, give full play to the two.A referring to fig. 2, with For LTE, the structural schematic diagram of a kind of wireless cellular network and WLAN is shown, wherein wireless access point 30 is used as nothing The access bridge of line local area network can be directly connected to the evolved base station 20 of LTE, which connects the core of LTE Net 10 (core network, abbreviation CN).User equipment 40 can be connected to evolved base station it is desirable that when by service distributing simultaneously 20 and wireless access point 30, to realize simultaneously through LTE and WLAN transmission data or data access etc..Relative to simple Wireless cellular network or simple WLAN for, will two kinds of systems organically combine after can significantly improve it is entire The performance and handling capacity of communication system realize high efficiency, low cost communication.

The embodiment of the present invention realizes user equipment and exists by the way that user equipment is kept connected state in a wireless cellular network Normal reasonable diffluence between wireless cellular network and WLAN improves user's physical examination, while can reduce user equipment and exist The time delay moved between heterogeneous network.

Referring to Fig. 3, Fig. 3 is the flow chart of the shunt method another embodiment of the application wireless network, this implementation The shunt method of mode wireless network is described with the angle of the base station in wireless cellular network, present embodiment The shunt method of wireless network includes:

S301: base station, which is determined, branches to WLAN from wireless cellular network for user equipment.

In the present embodiment, base station can according to the request of user equipment, the load state or distributing strategy of base station itself, User equipment is diverted in WLAN by decision from wireless cellular network, and is decided whether the user equipment in wireless cellular network Middle holding connected state.

In the present embodiment, this method further include: base station receives the shunting request that user equipment is sent, and shunting request is used for The radio bearer of user equipment is branched to WLAN from wireless cellular network by request.

S302: base station sends instruction information to user equipment, which is used to indicate user equipment in radio honeycomb Connected state is in network.

Illustrate herein, even if family equipment, which can be used, in above-mentioned instruction information branches to WLAN, also simultaneously with it is wireless Cellular network keeps connection, to realize normal shunting of the user equipment between wireless cellular network and WLAN.

In the present embodiment, if base station determines the user equipment keeping connected state in a wireless cellular network, base It stands and sends above-mentioned instruction information to user equipment, instruction user equipment keeps connected state or instruction to use in a wireless cellular network Family equipment keeps dual link in wireless cellular network and WLAN.

For example, base station can be sent to user equipment shunts order, which is used to indicate user equipment for user The radio bearer of equipment branches to WLAN.Wherein, the shunting order includes above-mentioned instruction information.Further, the nothing Line carrying does not include the default bearing of user equipment, thereby may be ensured that some or all of user equipment dedicated bearer branches to WLAN, but retain default bearing, so that user equipment is in connected state in a wireless cellular network.

In the present embodiment, this method further include: base station receives the default bearing for the user equipment that equipment of the core network is sent, The default bearing is in connected state for user equipment in wireless cellular network.Wherein, which is located at wireless bee Nest network, such as can be MME, which can send the default bearing instruction of user equipment to base station.Before S201, MME When just directly sending the default bearing of the user equipment to base station, there is no need to obtain above-mentioned default by user equipment to hold for base station It carries.When base station receives the shunting request that user equipment is sent and the determining default for retaining the user equipment in a wireless cellular network When carrying, other dedicated bearers of user equipment may be implemented is rapidly switched to WLAN, to improve user experience.

In the present embodiment, this method further include: base station sends above-mentioned instruction message to equipment of the core network, is used to indicate core Heart net equipment retains the default bearing of the user equipment, realizes the connected state of the user equipment in a wireless cellular network.

After receiving shunting instruction about user equipment, grasp to the shunting of WLAN according to shunting instruction Make, interaction and correlation properties, function between each entity etc. are corresponding to the description of user equipment side embodiment of the method, reference can be made to figure The description of 2 illustrated embodiments, details are not described herein.

The embodiment of the present invention realizes user equipment and exists by the way that user equipment is kept connected state in a wireless cellular network Normal reasonable diffluence between wireless cellular network and WLAN improves user's physical examination, while reducing user equipment in isomery The time delay moved between network.

Referring to Fig. 4, Fig. 4 is the flow chart of the shunt method another embodiment of the application wireless network, this implementation The shunt method of mode wireless network is described with the angle of the wireless access point in WLAN, this embodiment party The shunt method of the wireless network of formula includes:

S401: wireless access point receives the instruction information that user equipment is sent, which is used to indicate when user sets For when branching to WLAN from wireless cellular network, user equipment is in connected state in wireless cellular network.

S402: wireless access point sends instruction information to equipment of the core network, retains wireless cellular network for equipment of the core network The default bearing of network, the default bearing are in connected state for user equipment in wireless cellular network.

In the present embodiment, which further indicates the radio bearer of user equipment branching to wireless local area Net.Wherein, which can not include the default bearing.

Illustrate herein, above-mentioned equipment of the core network can be PDN-GW.

After the instruction information for receiving wireless access point transmission about equipment of the core network, which is carried out according to the instruction information Family equipment is to the triage operator of WLAN, interaction and correlation properties, function between each entity etc. and user equipment side The description of embodiment of the method is corresponding, reference can be made to the description of Fig. 2 and embodiment illustrated in fig. 3, details are not described herein.

The embodiment of the present invention realizes user equipment and exists by the way that user equipment is kept connected state in a wireless cellular network Normal reasonable switching between wireless cellular network and WLAN improves user's physical examination, while reducing user equipment in isomery The time delay moved between network.

Referring to Fig. 5, Fig. 5 is the flow chart of the shunt method another embodiment of the application wireless network, this implementation The shunt method of mode wireless network is described with the angle of the equipment of the core network in wireless cellular network, this implementation The shunt method of the wireless network of mode includes:

S501: equipment of the core network receives instruction information, which is used to indicate when user equipment is from wireless cellular network When network switches to WLAN, user equipment is in connected state in wireless cellular network.

In one implementation, equipment of the core network can receive the radio bearer release request of base station transmission, this is wireless Carrying release request includes above-mentioned instruction information.In the implementation, equipment of the core network can be MME, have between the MME and base station Interface is connected by S1 interface.

In another implementation, equipment of the core network can receive the creation session request of wireless access point transmission, should Creating session request includes above-mentioned instruction information.In the implementation, equipment of the core network PDN-GW, because of the difference of framework, Without interface between PDN-GW and base station, therefore PDN-GW can not receive the request of base station transmission, but can receive wireless access point hair The request sent.

S502: equipment of the core network retains the default bearing of wireless cellular network, which is used for the user equipment Connected state is in wireless cellular network.

In the present embodiment, which can retain or update the service quality QOS of above-mentioned default bearing.With For LTE, when PDN GW receives the instruction that user equipment keeps connected state in LTE or user equipment in LTE and WLAN The instruction for keeping dual link can retain default bearing or update above-mentioned default bearing of the user equipment in LTE, the specific side Interaction and correlation properties, function between case, each entity etc. are corresponding to the description of user equipment side embodiment of the method, reference can be made to figure 2 to embodiment illustrated in fig. 4 description, details are not described herein.

In the present embodiment, this method further include: equipment of the core network sends default bearing to base station, is used for user equipment Radio bearer branch to wireless access point, and keep user equipment in wireless cellular network in connected state.

In the present embodiment, equipment of the core network sends default bearing to base station, specifically includes: equipment of the core network is to the base It stands and sends radio bearer more newer command, retain or update the QOS of the default bearing for base station.Wherein, which updates Order includes the default bearing that the current default bearing of user equipment or equipment of the core network update, so that the user equipment be made to exist Connected state is in LTE.

Illustrate herein, above-mentioned radio bearer can not include default bearing.

It is worth noting that the shunt method of the application wireless network, there are also a kind of implementation, user equipment can root According to the distributing strategy of user, the load condition of wireless cellular network and/or channel quality of eating dishes without rice or wine, WLAN load condition and/or It eats dishes without rice or wine channel quality, it is determined whether need in WLAN shunt, maintain the connected state of the user equipment in a wireless cellular network.

Referring to Fig. 6, Fig. 6 is the flow chart of the shunt method another embodiment of the application wireless network, this implementation The shunt method of mode wireless network is described with the angle of user equipment, point of the wireless network of present embodiment Stream method includes:

S601: user equipment sends instruction information to wireless access point, which is used to indicate the user equipment Connected state is in wireless cellular network.

In the present embodiment, above-mentioned user equipment sends instruction message to wireless access point, specifically includes:

The user equipment sends above-mentioned instruction message according to following at least one determine to the wireless access point:

Access network discovery and selection function (the access network discovery and selection of user equipment Function, abbreviation ANDSF)；

User equipment is in the service condition of the wireless cellular network.

By taking LTE as an example, the data distribution strategy that user equipment can be provided according to ANDSF, such as the data distribution plan of ANDSF Indicate that the user equipment keeps connected state in LTE in slightly, which carries this and be indicated to WLAN.

Alternatively, service condition of the user equipment according to itself, for example, when the user equipment determines that it has GBR traffic, or connection When conjunction is registered to the domain CS, which carries this and is indicated to WLAN, is used to indicate the user equipment and keeps connection in LTE State.

In the present embodiment, user equipment sends instruction information to wireless access point, indicates for the wireless access point Equipment of the core network retains the default bearing of wireless cellular network, which keeps connection shape for user equipment and base station State.

S602: user equipment branches to the WLAN.

After the instruction information for receiving wireless access point transmission about equipment of the core network, which is carried out according to the instruction information Family equipment can be found in Fig. 2 to embodiment illustrated in fig. 5 to the triage operator of WLAN and other similar steps or definition Description, details are not described herein.

Referring to Fig. 7, Fig. 7 is the structural schematic diagram of 700 1 embodiments of the application user equipment, the user equipment 700 include:

Receiving unit 701, for receiving the instruction information of base station transmission, which is used to indicate user equipment in nothing Connected state is in line cellular network；

Transmission unit 702, for sending instruction information to wireless access point, so that wireless access point indicates equipment of the core network Retain the default bearing of wireless cellular network, which is in connected state for user equipment in wireless cellular network 704；

Dividing cell 703, for user equipment to be branched to WLAN.

In another optional embodiment, user equipment voluntarily branches to WLAN.

Wherein, wireless access point is located at WLAN, and base station and equipment of the core network are located at wireless cellular network.

Above-mentioned receiving unit, the shunting order sent specifically for receiving base station, the shunting order are used to indicate user and set It is standby that the radio bearer of the user equipment is branched into wireless access point；Wherein, which includes instruction information.

Above-mentioned transmission unit is also used to send to shunt to the base station and request, and shunting request sets user for requesting Standby radio bearer branches to wireless access point；Wherein, radio bearer excludes default bearing.

Above-mentioned transmission unit is also used to send to shunt to the base station and request, and shunting request sets user for requesting Standby radio bearer branches to wireless access point；Wherein, shunting request includes default bearing, determines whether to maintain for base station The connected state of user equipment in a wireless cellular network.

In the present embodiment, above-mentioned user equipment further includes stick unit 704, in the shunting to WLAN Cheng Zhong retains default bearing.

Each functional module of user equipment provided in this embodiment can be used for executing embodiment of the method shown in Fig. 2 to Fig. 6 Process, interaction and correlation properties, function between each entity etc. are corresponding to the description of user equipment side embodiment of the method, specific Working principle repeats no more, and is detailed in the description of above-mentioned each method embodiment.

Referring to Fig. 8, Fig. 8 is the structural schematic diagram of 800 1 embodiments in the application base station, which is located at nothing Line cellular network comprising:

User equipment is branched to WLAN from wireless cellular network for determining by determination unit 801；

Transmission unit 802, for sending instruction information to user equipment, which is used to indicate user equipment in nothing It is in connected state in line cellular network, when so that user equipment branching to WLAN, keeps connecting with wireless cellular network.

In the present embodiment, which further includes receiving unit 803, for receiving the wireless of equipment of the core network transmission The default bearing of cellular network, the default bearing are in connected state for user equipment in wireless cellular network.Wherein, the core Heart net equipment is located at wireless cellular network.

In the present embodiment, the receiving unit 803, is also used to receive the shunting request of user equipment transmission, which asks It asks for requesting the radio bearer of user equipment branching to WLAN from wireless cellular network.

In the present embodiment, the transmission unit 802 is specifically used for sending to shunt to user equipment ordering, the shunting order It is used to indicate user equipment and the radio bearer for being used for user equipment is branched into WLAN；Wherein, the shunting order packet Include the instruction information.

In the present embodiment, which excludes above-mentioned default bearing.Illustrate herein, above-mentioned transmission unit 802 can be with According to the default bearing that above-mentioned receiving unit 803 receives, determine into the shunting order that user equipment is sent not comprising above-mentioned Default bearing.

In the present embodiment, the transmission unit 802 is also used to send instruction information to equipment of the core network, is used to indicate core The default bearing of heart net equipment reservation wireless cellular network.

Each functional module of base station provided in this embodiment can be used for executing the process of embodiment of the method shown in Fig. 2 to Fig. 6, Interaction and correlation properties, function between each entity etc. are corresponding to the description of user equipment side embodiment of the method, specific works Principle repeats no more, and is detailed in the description of above-mentioned each method embodiment.

Referring to Fig. 9, Fig. 9 is the structural schematic diagram of 900 1 embodiments of the application wireless access point, the wireless access Point 900 is located at WLAN comprising:

Receiving unit 901, for receiving the instruction information of user equipment transmission, which is used to indicate when user sets For when branching to WLAN from wireless cellular network, which is in connected state in wireless cellular network；

Transmission unit 902, for sending instruction information to equipment of the core network, so that equipment of the core network retains wireless cellular network The default bearing of network, the default bearing are in connected state for user equipment in wireless cellular network.

Wherein, which is located at wireless cellular network.

In the present embodiment, instruction information further indicates the radio bearer of user equipment branching to WLAN.

In the present embodiment, radio bearer excludes default bearing.

Each functional module of wireless access point provided in this embodiment can be used for executing embodiment of the method shown in Fig. 2 to Fig. 6 Process, interaction and correlation properties, function between each entity etc. are corresponding to the description of user equipment side embodiment of the method, tool Body running principle repeats no more, and is detailed in the description of above-mentioned each method embodiment.

Referring to Fig. 10, Figure 10 is the structural schematic diagram of 1,000 1 embodiments of the application equipment of the core network, the core Net equipment 1000 includes:

Receiving unit 1001, for receiving instruction information, which is used to indicate when user equipment is from radio honeycomb When network shunt to WLAN, user equipment is in connected state in wireless cellular network；

Processing unit 1002, for retaining the default bearing of wireless cellular network, the default bearing for user equipment in Connected state is in wireless cellular network.Wherein, equipment of the core network is located at the wireless cellular network.

Illustrate herein, above-mentioned processing unit 1002 can the instruction information according to received by above-mentioned receiving unit 1001, By retaining above-mentioned default bearing, so that user equipment is in connected state in wireless cellular network.

In the present embodiment, which further includes transmission unit 1003, for sending default bearing to base station, To shunt the radio bearer of user equipment to wireless access point, and keep user equipment in wireless cellular network in connection State.Wherein, which is located at wireless cellular network.

In the present embodiment, the processing unit 1002, specifically for updating the service quality QOS of default bearing.For example, at this Reason unit 1002 can update or retain above-mentioned default bearing.

In the present embodiment, above-mentioned transmission unit 1003 is specifically used for sending radio bearer more newer command to base station, is used for base It stands and updates the service quality QOS of default bearing, the radio bearer more newer command includes the default bearing updated.Wherein, above-mentioned hair The QOS that the above-mentioned processing unit 1002 for sending unit 1003 that can will acquire is updated is sent to base station.

In the present embodiment, above-mentioned radio bearer excludes the default bearing.

Each functional module of equipment of the core network provided in this embodiment can be used for executing embodiment of the method shown in Fig. 2 to Fig. 6 Process, interaction and correlation properties, function between each entity etc. are corresponding to the description of user equipment side embodiment of the method, tool Body running principle repeats no more, and is detailed in the description of above-mentioned each method embodiment.

Figure 11 is please referred to, Figure 11 is the structural schematic diagram of 1100 another embodiment of the application user equipment, comprising:

Transmission unit 1101, for sending instruction information to wireless access point, which is used to indicate the user Equipment is in connected state in wireless cellular network；

Dividing cell, 1102, for user equipment to be branched to WLAN.

In the present embodiment, whether above-mentioned dividing cell 1102 can be decided in its sole discretion shunts, and is determining to wireless local area When net shunts, instruction information is sent to wireless access point by above-mentioned transmission unit 1101.

In the present embodiment, above-mentioned user equipment 1100 further includes determination unit 1103, is used for according to following at least one, It determines to the wireless access point and sends above-mentioned instruction message:

User equipment is in the service condition of the wireless cellular network.

Figure 12 is please referred to, Figure 12 is the structural schematic diagram of 1200 another embodiment of the application user equipment, the user Equipment 1200 includes:

Receiver 1201, for receiving the instruction information of base station transmission, which is used to indicate user equipment in nothing Connected state is in line cellular network；

Transmitter 1202, for sending instruction information to wireless access point, so that wireless access point indicates equipment of the core network Retain the default bearing of wireless cellular network, which is in connected state for user equipment in wireless cellular network；

Processor 1203, for user equipment to be branched to WLAN.

Wherein, wireless access point is located at WLAN, and base station and equipment of the core network are located at wireless cellular network.Above-mentioned place Managing device 1203 can be according to the instruction of base station by the service distributing of user equipment to WLAN.

In the present embodiment, receiver 1201, the shunting order sent specifically for receiving base station, the shunting order are used for Indicate that the radio bearer of the user equipment is branched to wireless access point by user equipment.Wherein, above-mentioned shunting order includes instruction Information.

In the present embodiment, transmitter 1202 are also used to shunt request to base station transmission, and shunting request will for request The radio bearer of user equipment branches to wireless access point.Wherein, which excludes default bearing.

In the present embodiment, transmitter 1202 are also used to send to shunt to base station and request, and shunting request will use for requesting The radio bearer of family equipment branches to wireless access point.Wherein, shunting request includes default bearing, determines whether to tie up for base station Hold the connected state of user equipment in a wireless cellular network.

In the present embodiment, processor 1203 are also used in the branching process to WLAN, are retained default and are held It carries.

Further, as shown in figure 12, the user equipment can also include: memory 1204, for storing program.Specifically , program may include program code, and said program code includes computer operation instruction.Optionally, processor 1203 may be used also Above-mentioned function is completed for executing the program of the storage of memory 1204.

Memory 1204 may include high speed RAM memory, also may include nonvolatile memory (non-volatile Memory), a for example, at least magnetic disk storage.

Optionally, in specific implementation, if receiver 1201, processor 1203, transmitter 1202 and memory 1204 Independent to realize, then receiver 1201, processor 1203, transmitter 1202 and memory 1204 can be connected with each other simultaneously by bus Complete mutual communication.The bus can be industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, external equipment interconnection (Peripheral Component, referred to as PCI) bus Or extended industry-standard architecture (Extended Industry Standard Architecture, referred to as EISA) is total Line etc..The bus can be divided into address bus, data/address bus, control bus etc..For convenient for indicating, in Figure 12 only with one slightly Line indicates, it is not intended that an only bus or a type of bus.

Optionally, in specific implementation, if receiver 1201, processor 1203, transmitter 1202 and memory 1204 Integrated to realize on one chip, then receiver 1201, processor 1203, transmitter 1202 and memory 1204 can be by interior Portion's interface completes mutual communication.

Figure 13 is please referred to, Figure 13 is the structural schematic diagram of 1,300 1 embodiments in the application base station, the base station 1300 packet It includes:

User equipment is branched to WLAN from wireless cellular network for determining by processor 1301；

Transmitter 1302, for sending instruction information to user equipment, which is used to indicate user equipment in nothing It is in connected state in line cellular network, when so that user equipment branching to WLAN, keeps connecting with wireless cellular network. Wherein, above-mentioned base station is located at wireless cellular network.

In the present embodiment, which further includes receiver 1303, for receiving the wireless of equipment of the core network transmission The default bearing of cellular network, the default bearing are in connected state for user equipment in wireless cellular network, and core net is set It is standby to be located at wireless cellular network.

In the present embodiment, the receiver 1303 is also used to receive the shunting request of user equipment transmission, shunting request For requesting the radio bearer of user equipment branching to WLAN from wireless cellular network.

In the present embodiment, the transmitter 1302 is specifically used for sending to shunt to user equipment ordering, which uses The radio bearer for being used for user equipment is branched into WLAN in instruction user equipment.Wherein, which includes referring to Show information.

In the present embodiment, which excludes default bearing.

In the present embodiment, the transmitter 1302 is also used to send instruction information to equipment of the core network, is used to indicate core The default bearing of net equipment reservation wireless cellular network.

Further, as shown in figure 13, the user equipment can also include: memory 1304, for storing program.Specifically , program may include program code, and said program code includes computer operation instruction.Optionally, processor 1301 may be used also Above-mentioned function is completed for executing the program of the storage of memory 1304.

Memory 1304 may include high speed RAM memory, also may include nonvolatile memory (non-volatile Memory), a for example, at least magnetic disk storage.

Optionally, in specific implementation, if receiver 1303, processor 1301, transmitter 1302 and memory 1304 Independent to realize, then receiver 1303, processor 1301, transmitter 1302 and memory 1304 can be connected with each other simultaneously by bus Complete mutual communication.The bus can be industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, external equipment interconnection (Peripheral Component, referred to as PCI) bus Or extended industry-standard architecture (Extended Industry Standard Architecture, referred to as EISA) is total Line etc..The bus can be divided into address bus, data/address bus, control bus etc..For convenient for indicating, in Figure 13 only with one slightly Line indicates, it is not intended that an only bus or a type of bus.

Optionally, in specific implementation, if receiver 1303, processor 1301, transmitter 1302 and memory 1304 Integrated to realize on one chip, then receiver 1303, processor 1301, transmitter 1302 and memory 1304 can be by interior Portion's interface completes mutual communication.

Figure 14 is please referred to, Figure 14 is the structural schematic diagram of 1,400 1 embodiments of the application wireless access point, this is wireless Access point 1400 includes:

Receiver 1401, for receiving the instruction information of user equipment transmission, which is used to indicate when user sets For when branching to WLAN from wireless cellular network, user equipment is in connected state in wireless cellular network；

Transmitter 1402, for sending instruction information to equipment of the core network, so that equipment of the core network retains wireless cellular network The default bearing of network, the default bearing are in connected state for user equipment in wireless cellular network.

Wherein, wireless access point is located at WLAN, and equipment of the core network is located at wireless cellular network.

In the present embodiment, above-mentioned instruction information further indicates the radio bearer of user equipment branching to wireless local area Net.

In the present embodiment, above-mentioned radio bearer excludes default bearing.

Further, as shown in figure 14, the user equipment can also include: memory 1403, for storing program.Specifically , program may include program code, and said program code includes computer operation instruction.Optionally, receiver 1401 and/or Transmitter 1402 can also be used to execute the program of the storage of memory 1403 to complete above-mentioned function.

Memory 1403 may include high speed RAM memory, also may include nonvolatile memory (non-volatile Memory), a for example, at least magnetic disk storage.

Optionally, in specific implementation, if receiver 1401, transmitter 1402 and the independent realization of memory 1403, Receiver 1401, transmitter 1402 and memory 1403 can be connected with each other by bus and complete mutual communication.It is described Bus can be industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, outside Apparatus interconnection (Peripheral Component, referred to as PCI) bus or extended industry-standard architecture (Extended Industry Standard Architecture, referred to as EISA) bus etc..The bus can be divided into address bus, number According to bus, control bus etc..Only to be indicated with a thick line convenient for indicating, in Figure 14, it is not intended that an only bus or A type of bus.

Optionally, in specific implementation, if receiver 1401, transmitter 1402 and memory 1403 are integrated in one piece of core On piece realizes that then receiver 1401, transmitter 1402 and memory 1403 can complete mutual communication by internal interface.

Figure 15 is please referred to, Figure 15 is the structural schematic diagram of 1,500 1 embodiments of the application equipment of the core network, the core Net equipment 1500 includes:

Receiver 1501, for receiving instruction information, which is used to indicate when user equipment is from wireless cellular network When network branches to WLAN, user equipment is in connected state in wireless cellular network；

Processor 1502, for retaining the default bearing of wireless cellular network, the default bearing is for user equipment in nothing Connected state is in line cellular network.

Wherein, above-mentioned equipment of the core network is located at wireless cellular network.

In the present embodiment, which further includes transmission unit 1503, for sending default bearing to base station, To shunt the radio bearer of user equipment to wireless access point, and keep user equipment in wireless cellular network in connection State.Wherein, which is located at wireless cellular network.

In the present embodiment, which is also used to update the service quality QOS of default bearing.

In the present embodiment, which is specifically used for sending radio bearer more newer command to base station, more for base station The service quality QOS of new default bearing, the radio bearer more newer command include the default bearing updated.

In the present embodiment, which excludes default bearing.

Further, as shown in figure 15, the user equipment can also include: memory 1504, for storing program.Specifically , program may include program code, and said program code includes computer operation instruction.Optionally, processor 1502 may be used also Above-mentioned function is completed for executing the program of the storage of memory 1504.

Memory 1504 may include high speed RAM memory, also may include nonvolatile memory (non-volatile Memory), a for example, at least magnetic disk storage.

Optionally, in specific implementation, if receiver 1501, processor 1502, transmitter 1503 and memory 1504 Independent to realize, then receiver 1501, processor 1502, transmitter 1503 and memory 1504 can be connected with each other simultaneously by bus Complete mutual communication.The bus can be industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, external equipment interconnection (Peripheral Component, referred to as PCI) bus Or extended industry-standard architecture (Extended Industry Standard Architecture, referred to as EISA) is total Line etc..The bus can be divided into address bus, data/address bus, control bus etc..For convenient for indicating, in Figure 15 only with one slightly Line indicates, it is not intended that an only bus or a type of bus.

Optionally, in specific implementation, if receiver 1501, processor 1502, transmitter 1503 and memory 1504 Integrated to realize on one chip, then receiver 1501, processor 1502, transmitter 1503 and memory 1504 can be by interior Portion's interface completes mutual communication.

In several embodiments provided herein, it should be understood that disclosed system, device and method can To realize by another way.For example, device embodiments described above are only schematical, for example, the mould The division of block or unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple Unit or assembly can be combined or can be integrated into another system, or some features can be ignored or not executed.It is another Point, shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, device or The indirect coupling or communication connection of unit can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.Some or all of unit therein can be selected to realize present embodiment scheme according to the actual needs Purpose.

In addition, each functional unit in each embodiment of the application can integrate in one processing unit, it can also To be that each unit physically exists alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the application The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk Etc. the various media that can store program code.

The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field similarly includes in the scope of patent protection of the application.

Claims

1. a kind of shunt method characterized by comprising

User equipment receives the instruction information that base station is sent, and the instruction information is used to indicate the user equipment in radio honeycomb Connected state is in network；Wherein, the user equipment receives the instruction information that the base station is sent, and specifically includes: institute It states user equipment and receives the shunting order that the base station is sent, the shunting order is used to indicate the user equipment for the use The radio bearer of family equipment branches to wireless access point；Wherein, the shunting order includes the instruction information；

The user equipment sends the instruction information to wireless access point, indicates equipment of the core network for the wireless access point Retain the default bearing of the wireless cellular network, the default bearing is for the user equipment in the wireless cellular network In be in connected state；

The user equipment branches to WLAN；

Wherein, the wireless access point is located at the WLAN, and the base station and the equipment of the core network are located at the nothing Line cellular network.

2. the method as described in claim 1, which is characterized in that further include:

The user equipment is sent to the base station shunts request, and the shunting request is for requesting the nothing of the user equipment Line carrying branches to the wireless access point；

Wherein, the radio bearer excludes the default bearing.

3. the method as described in claim 1, which is characterized in that further include:

Wherein, the shunting request includes the default bearing, determines whether to maintain the user equipment described for base station Connected state in wireless cellular network.

4. method as described in any one of claims 1 to 3, which is characterized in that further include:

The user equipment retains the default bearing into the branching process of the WLAN.

5. a kind of shunt method characterized by comprising

Base station, which is determined, branches to WLAN from wireless cellular network for user equipment；

The base station sends instruction information to the user equipment, and the instruction information is used to indicate the user equipment in described Connected state is in wireless cellular network, when so that the user equipment branching to the WLAN, with the wireless bee Nest network keeps connection；

Wherein, the base station is located at the wireless cellular network；

Further include:

The base station receives the default bearing for the wireless cellular network that equipment of the core network is sent, and the default bearing is used for institute User equipment is stated in the wireless cellular network in connected state, the equipment of the core network is located at the wireless cellular network.

6. method as claimed in claim 5, which is characterized in that further include:

The base station receives the shunting request that the user equipment is sent, and the shunting request is for requesting the user equipment Radio bearer branch to the WLAN from the wireless cellular network.

7. such as method described in claim 5 or 6, which is characterized in that the base station sends instruction information to the user equipment, It specifically includes:

The base station is sent to the user equipment shunts order, and the shunting order, which will be used to indicate the user equipment, to be used for The radio bearer of the user equipment branches to the WLAN；

Wherein, the shunting order includes the instruction information.

8. method according to claim 6 or 7, it is characterised in that:

The radio bearer excludes the default bearing.

9. such as the described in any item methods of claim 5 to 8, which is characterized in that further include:

The base station sends the instruction information to the equipment of the core network, is used to indicate the equipment of the core network and retains the nothing The default bearing of line cellular network.

10. a kind of shunt method characterized by comprising

Wireless access point receive user equipment send instruction information, the instruction information be used to indicate when the user equipment oneself When wireless cellular network branches to WLAN, the user equipment is in connected state in the wireless cellular network；Its In, the instruction information further indicates that the radio bearer by the user equipment branches to the WLAN；

The wireless access point sends the instruction information to equipment of the core network, retains for the equipment of the core network described wireless The default bearing of cellular network, the default bearing is for the user equipment in connection in the wireless cellular network State；

Wherein, the wireless access point is located at the WLAN, and the equipment of the core network is located at the wireless cellular network.

11. method as claimed in claim 10, it is characterised in that:

The radio bearer excludes the default bearing.

12. a kind of shunt method characterized by comprising

Equipment of the core network receives instruction information, and the instruction information is used to indicate when user equipment is branched to from wireless cellular network When WLAN, the user equipment is in connected state in the wireless cellular network；

The equipment of the core network retains the default bearing of the wireless cellular network, and the default bearing is used for the user equipment Connected state is in the wireless cellular network；

Wherein, the equipment of the core network is located at the wireless cellular network；

Further include:

The equipment of the core network sends the default bearing to base station, for the radio bearer of the user equipment to be branched to nothing Line access point, and keep the user equipment in the wireless cellular network in connected state, the base station is located at the nothing Line cellular network.

13. method as claimed in claim 12, which is characterized in that the equipment of the core network retains the wireless cellular network Default bearing specifically includes:

The equipment of the core network updates the service quality QOS of the default bearing.

14. method as claimed in claim 13, which is characterized in that the equipment of the core network sends the default to the base station Carrying, specifically includes:

The equipment of the core network sends radio bearer more newer command to the base station, updates the default bearing for the base station Service quality QOS, the radio bearer more newer command include update default bearing.

15. such as the described in any item methods of claim 12 to 14, which is characterized in that the equipment of the core network receives instruction letter Breath, specifically includes:

The equipment of the core network receives the radio bearer release request that the base station is sent, and the radio bearer release request includes The instruction information.

16. such as the described in any item methods of claim 12 to 14, which is characterized in that the equipment of the core network receives instruction letter Breath, specifically includes:

The equipment of the core network receives the creation session request that the wireless access point is sent, and the creation session request includes institute State instruction information.

17. such as the described in any item methods of claim 15 to 16, it is characterised in that:

The radio bearer excludes the default bearing.

18. a kind of user equipment characterized by comprising

Receiving unit, for receiving the instruction information of base station transmission, the instruction information is used to indicate the user equipment in nothing Connected state is in line cellular network；Wherein, the receiving unit, is specifically used for: the shunting order that the base station is sent is received, The shunting order is used to indicate the user equipment and the radio bearer of the user equipment is branched to wireless access point；Its In, the shunting order includes the instruction information；

Transmission unit, for sending the instruction information to wireless access point, so that wireless access point instruction core net is set The standby default bearing for retaining the wireless cellular network, the default bearing is for the user equipment in the wireless cellular network Connected state is in network；

Dividing cell, for the user equipment to be branched to WLAN；

19. user equipment as claimed in claim 18, which is characterized in that the transmission unit is also used to:

It is sent to the base station and shunts request, the shunting request is for requesting the radio bearer by the user equipment to branch to The wireless access point；

Wherein, the radio bearer excludes the default bearing.

20. user equipment as claimed in claim 18, which is characterized in that the transmission unit is also used to:

21. such as the described in any item user equipmenies of claim 18 to 20, which is characterized in that further include:

Stick unit, for retaining the default bearing into the branching process of the WLAN.

22. a kind of base station characterized by comprising

User equipment is branched to WLAN from wireless cellular network for determining by determination unit；

Transmission unit, for sending instruction information to the user equipment, the instruction information is used to indicate the user equipment Connected state is in the wireless cellular network, it is and described when so that the user equipment branching to the WLAN Wireless cellular network keeps connection；

Wherein, the base station is located at the wireless cellular network；

Further include:

Receiving unit, the default bearing of the wireless cellular network for receiving equipment of the core network transmission, the default bearing Connected state is in the wireless cellular network for the user equipment, the equipment of the core network is located at the radio honeycomb Network.

23. base station as claimed in claim 22, which is characterized in that the receiving unit is also used to:

The shunting request that the user equipment is sent is received, it is described to shunt request for requesting wirelessly holding the user equipment It is downloaded from the wireless cellular network and branches to the WLAN.

24. the base station as described in claim 22 or 23, which is characterized in that the transmission unit is specifically used for:

It is sent to the user equipment and shunts order, the shunting order, which is used to indicate the user equipment, will be used for the user The radio bearer of equipment branches to the WLAN；

Wherein, the shunting order includes the instruction information.

25. the base station as described in claim 23 or 24, it is characterised in that:

The radio bearer excludes the default bearing.

26. such as the described in any item base stations of claim 22 to 25, which is characterized in that the transmission unit is also used to:

The instruction information is sent to the equipment of the core network, the equipment of the core network is used to indicate and retains the wireless cellular network The default bearing of network.

27. a kind of wireless access point characterized by comprising

Receiving unit, for receiving the instruction information of user equipment transmission, the instruction information is used to indicate when the user sets For when branching to WLAN from wireless cellular network, the user equipment is in the wireless cellular network in connection State；Wherein, the instruction information further indicates that the radio bearer by the user equipment branches to the WLAN；

Transmission unit, for sending the instruction information to equipment of the core network, so that equipment of the core network reservation is described wireless The default bearing of cellular network, the default bearing is for the user equipment in connection in the wireless cellular network State；

28. wireless access point as claimed in claim 27, it is characterised in that:

The radio bearer excludes the default bearing.

29. a kind of equipment of the core network characterized by comprising

Receiving unit, for receiving instruction information, the instruction information is used to indicate when user equipment divides from wireless cellular network When flowing to WLAN, the user equipment is in connected state in the wireless cellular network；

Processing unit, for retaining the default bearing of the wireless cellular network, the default bearing is used for the user equipment Connected state is in the wireless cellular network；

Further include:

Transmission unit, for sending the default bearing to base station, to shunt the radio bearer of the user equipment to wirelessly connecing Access point, and keep the user equipment in the wireless cellular network in connected state, the base station is located at the wireless bee Nest network.

30. equipment of the core network as claimed in claim 29, which is characterized in that the processing unit is specifically used for:

Update the service quality QOS of the default bearing.

31. equipment of the core network as claimed in claim 30, which is characterized in that the transmission unit is specifically used for:

Radio bearer more newer command is sent to the base station, the service quality QOS of the default bearing is updated for the base station, The radio bearer more newer command includes the default bearing updated.

32. such as the described in any item equipments of the core network of claim 29 to 31, it is characterised in that:

The radio bearer excludes the default bearing.