CN101442745A

CN101442745A - Method and system for fusion of WiMAX network and 3GPP network

Info

Publication number: CN101442745A
Application number: CNA2007101945499A
Authority: CN
Inventors: 谢勇; 李宏; 陈育华
Original assignee: Huawei Technologies Co Ltd
Current assignee: Dong Zhongju
Priority date: 2007-11-22
Filing date: 2007-11-22
Publication date: 2009-05-27
Anticipated expiration: 2027-11-22
Also published as: CN101442745B

Abstract

The invention discloses a WiMAX network and 3GPP network fusion method comprising following steps: home agency HA of3Gpp network accesses the terminal of WiMAX network to 3GPP network; the authentication, authorization, accounting server AAA server provides WiMAX AAA Server function, performs access authentication for terminal of WiMAX network accessing to 3GPP network; gateway function body of 3GPP network accesses the authenticated terminal to 3GPP PS service network or Internet. The invention discloses a WiMAX network and 3GPP network fusion system. QoS guarantee mechanism of WiMAX and classification and control function of service flow promotes the utilization efficiency and charging accuracy of network resource and implements better integration in QoS guarantee, charging, switching between systems, data transmission of WiMAX network and 3GPP network.

Description

The method and system of a kind of WiMAX network and the 3GPP network integration

Technical field

The present invention relates to communication technical field, the method and system of the especially a kind of WiMAX network and the 3GPP network integration.

Background technology

WiMAX (Worldwide Interoperability for Microwave Access, the microwave interoperability is inserted in the whole world) is a kind of wireless metropolitan area network technology based on the IEEE802.16 standard.The WiMAX network mainly is made up of three parts and is client, accessing business network (comprising base station and accessing business network gate) and is connected service network (comprising logic entities such as prepaid server and AAA server).WiMAX network wireless side is based on the wireless MAN access technology of IEEE802.16d/e standard.What now mainly follow is IEEE802.16-2004 (802.16d) standard of formulating in July, 2004.IEEE802.16-2004 (802.16d) standard operation frequency range be 2GHz to 11GHz, be to authorize and unauthorized mixing frequency range.Adopt the physical layer of OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexi) and OFDMA (OFDM Access, OFDM inserts), effectively anti-multipath decline.Under the optimum channel decline situation, transmission rate can be approached 75Mbps.IEEE802.16-2004 (802.16d) standard is used for the non line of sight point-to-multipoint technology of metropolitan area network, mainly is the form of fixing and nomadic network, just can add the technology of supporting simple mobile communication in question IEEE802.16e.

WiMAX cellular logic framework as shown in Figure 1, the whole network of WiMAX mainly is made up of following three parts:

(1) client: comprise SS (Subscriber Station, subscriber board) or MS (Mobile Station, travelling carriage), the user uses this devices accessing WiMAX network.

(2) accessing business network: ASN (Access Service Network, accessing business network) is defined as the network function set that the WiMAX terminal provides the wireless access service.ASN has comprised BS (BaseStation, base station) and ASN-GW (ASN Gateway, ASN gateway) network element.Wherein the major function of BS network element is: provide the L2 of BS and MS to be connected, RRM or the like; The major function of ASN-GW network element is: for MS authentication function provides client functionality, provide for MS and switch in the Relay function (as IP address assignment), ASN of L3 information etc.

(3) connection service network: CSN (Connectivity Service Network connects service network) is defined as the WiMAX terminal provides IP Connection Service.The major function that CSN provided is: the IP address assignment of MS, Internet access, AAAproxy or server, based on authorization control of user etc.

Communicate by the interface from R1 to R6 between each logic entity among the WiMAX, each network element and interface relationship are as shown in Figure 1.

The effect of ASN mainly comprises the following aspects: guarantee two layers of establishment of connection between WiMAX terminal and the WiMAX base station; RRM; The optimal selection of network discovery and WiMAX user network service provider; Under the proxy-mobile IP pattern, serve as acting server control WiMAX user's authentication, mandate and charging message; Use establishment of connection for three layers at WiMAX terminal relaying is provided.

The effect of CSN mainly comprises the following aspects: be WiMAX user conversation distributing IP address; Provide the Internet to insert; Serve as authentication and authorization charging acting server or authentication and authorization charging server; Carry out strategy and access control based on user contracting data; Support the foundation in tunnel between ASN and the CSN; Support the generation of WiMAX user's ticket and the WiMAX business accounting between the cross operator; Support the foundation in roaming tunnel between the CSN; Support the mobility between the ASN; Support multiple WiMAX business, for example location-based business, teleservice, multimedia broadcasting and multicast service or the like.

WiMAX normal structure of the prior art is defining WiMAX and 3GPP (3rd GenerationPartnership Project, third generation partner program) network interworking (fusion) system, the 3GPP of 3GPP tissue definition and the I-WLAN system of WLAN (Wireless Local AreaNetwork, WLAN (wireless local area network)) network interworking have farthest been reused by this system.The framework of this system as shown in Figure 2, each major function entity is described below:

3GPP AAA (Authentication Authorization Accounting, authentication and authorization charging) Server: be positioned at user's local 3GPP network, the user who inserts for non-3GPP provides functions such as authentication, mandate, charging.3GPP AAA Server mainly finishes following function: to the entity such as HSS (the Home Subscriber Server of storage user local CAMEL-Subscription-Information, home subscriber servers)/authentication information of HLR (Home LocationRegister, home location registration) inquiring user, signatory data, authorization message etc.; According to the authentication information that obtains from HSS/HLR the user who is linked into the 3GPP network by the WiMAX access network is authenticated.

Interworking AAA Proxy/Server: be positioned at WiMAX access network partial C SN territory, link to each other with 3GPP AAA Server by the Wa interface.Assist 3GPP AAA Server to the user who is linked into the 3GPP network by WiMAX-3GPP interworking system authenticate, authorize, operation such as charging.The following function of main realization: transmit the AAA information between WiMAX Access Network and the 3GPP AAA Server; Finish PMIP (Proxy Mobile IP, proxy-mobile IP) correlation function, as key generation relevant and distribution etc. with PMIP;

WAG (WLAN Access Gateway, WLAN IAD): be a gateway between WiMAX access network part and the 3GPP network.Data from the WiMAX access network will be carried out route through WAG, and WAG is responsible for routing data to correct PDG; Otherwise, to be routed to correct MS through WAG from the data of 3GPP network portion; In addition WAG also will carry out following function: at MS and PDG (Packet Data Gateway, packet data gateway) before the tunnel between is set up, WAG need be implemented in the control strategy that 3GPP AAA Server issues in the initial access authentication process, the transmission of control data between WiMAX access network and 3GPP network portion; Such as, stop uncommitted MS to send data etc. to PLMN (Public Land Mobility Network, public land mobile network); After tunnel between MS and PDG was set up, WAG will realize the control strategy relevant with the tunnel that 3GPP AAA Server issues, and guaranteed that authorized users data are at MS with transmit between the PDG of correspondence with it.

PDG: in WiMAX 3GPP IP Access network, will insert by PDG based on the service in 3GPP PS (PacketService, Packet Service) territory with I-WLAN.Tunnel between MS and the PDG is used for transmitting the business datum based on the PS territory, when inserting the 3GPP Network, can set up one or more tunnels with transmission 3GPP business datum.PDG mainly carries out following function: will be routed to MS from the packet of PDN, or will be routed to PDN from the data of MS; Uncommitted or not requested data are filtered; Generate the charge information relevant, be used for online or offline charging with user data traffic; Carry out the registration of MS Local IP address, carry out the binding of MS Local IP address and Remote IP address;

The reference point that relates in the above framework mainly contains:

Wa: be the interface between 3GPP AAA Server and the Interworking AAA Proxy/Server, the Wa reference point is used for transmitting AAA message such as authentication between part of WiMAX access network in the WiMAX-3GPP interworking system and the 3GPP AAA Server part, mandate, key.

Wn: be the interface between WiMAX access network part and the WAG; If the WiMAX access network partly uses MIP, WAG should be the interface of HA and WAG, if adopt Simple IP, Wn can be the interface between ASN-GW and the WAG;

Wu: refer to the interface between MS and the PDG, set up or remove the tunnel by the MS initiation between this interface main users MS and the PDG, user's data is transmitted in the tunnel between MS and PDG; Setting up the tunnel between MS and the PDG mainly is in order to guarantee the data security of transfer of data between MS and the PDG;

Wi: be the interface between PDG and the PDN, be applicable to the scene of WiMAX 3GPP IP Access;

Wg: be the interface between 3GPP AAA Server and the WAG, be mainly used to 3GPP AAA Server and send the implementation strategy control information to WAG;

Wp: be the interface between WAG and the PDG, this interface is applicable to WiMAX 3GPP IP Access scene;

Wm: be the interface between 3GPP AAA Server and the PDG, this interface is applicable to WiMAX3GPP IP Access scene, be mainly used to transmit between 3GPP AAA Server and the PDG tunnel and set up association attributes, authentication message, tunnel enciphered message and IP configuration information etc. that the tunnel is set up

The emerging system of above-mentioned WiMAX and 3GPP mainly is to propose on the framework based on the I-WLAN system.The I-WLAN system is linked into the 3GPP network and formulates from the WLAN connecting system at holding the 3GPP user that possesses wlan network access capability terminal, in order to guarantee as far as possible not to the modification of original framework and agreement, WiMAX that defines in the prior art and 3GPP network interworking (fusion) system have kept the functional entity and the protocol contents of a lot of I-WLAN system.The 3GPP network is considered as the WLAN access network a kind of access network of non-trust in the I-WLAN system, therefore between MS and PDG, introduced the IPsec tunnel, and introduced the WAG entity at the PLMN network, to realize the safety of 3GPP user when wlan network is linked into the PLMN network.The framework and the agreement of I-WLAN system farthest reused by the interworking system of existing WiMAX and 3GPP network, IPsec tunnel between MS and the PDG makes data in the process of transmission, and intermediate node between the two is invisible to the content of packet.

The inventor is in realizing process of the present invention, find that there is following problem at least in existing system: WiMAX network and wlan network exist very big different at aspects such as the network architecture, safety guarantee, QoS mechanism, if indiscriminately imitate the I-WLAN system fully, can make that a lot of characteristics of WiMAX network system can't be used, bring a lot of problems simultaneously.As between: 3GPP and WiMAX network the transmission of QoS and guarantee can't in conjunction with, the ipsec tunnel of PDG and terminal room makes the WiMAX network to classify to the packet that passes through, can not utilize QoS (the Quality of Service of WiMAX network, service quality) mechanism can only be used the DiffServ mechanism on the IP network; The charging granularity is thicker, can only accomplish the charging based on user or IP Session (IP session) granularity, can not realize the charging based on stream; Data are made the protocol header expense very big by multiple tunnel and IP encapsulation; Feasible IDLE (free time) mechanism that can't utilize MS in IPsec tunnel between MS and the PDG; Do not support the internetwork mobility of WiMAX and 3GPP.

Summary of the invention

Embodiments of the invention provide the method and system of a kind of WiMAX network and the 3GPP network integration, to realize the fusion of WiMAX network and 3GPP network, make the characteristic of WiMAX network obtain better application in the 3GPP network.

For achieving the above object, embodiments of the invention provide the method for a kind of WiMAX network and the 3GPP network integration, may further comprise the steps:

Introduce home agent HA in the 3GPP network, described HA will insert the 3GPP network by the terminal of WiMAX network insertion;

The authentication authorized charging server AAA Server of described 3GPP network provides WiMAX AAAServer function, and described terminal is carried out access authentication;

The gateway function entity of described 3GPP network inserts 3GPPPS business network or Internet with described terminal by access authentication.

Embodiments of the invention also provide the system of a kind of WiMAX network and the 3GPP network integration, comprising:

The HA function is newly introduced the 3GPP network, is used for the terminal by the WiMAX network insertion is inserted the 3GPP network;

3GPP AAA Server is positioned at the 3GPP network, and WiMAX AAA Server is provided function, is used for the terminal that described HA function inserts is authenticated;

The gateway function entity is positioned at the 3GPP network, is used for the terminal by described 3GPP AAA Server authentication is linked into 3GPP PS business network or Internet.

Compared with prior art, embodiments of the invention have the following advantages:

By in the 3GPP network, increasing the HA function and strengthening the function that 3GPP AAA Server achieves WiMAX AAA Server, to controlling, utilize the QoS of WiMAX to guarantee that the classification of mechanism and Business Stream and controlled function improve utilization efficiency of network resources and charging precision from the user terminal of WiMAX network insertion 3GPP network; Realize that WiMAX network and 3GPP network aspects such as switching, transfer of data between QoS assurance, charging, system better merge.

Description of drawings

Fig. 1 is a WiMAX cellular logic Organization Chart in the prior art;

Fig. 2 is the Organization Chart of the I-WLAN system of 3GPP and wlan network interworking in the prior art;

Fig. 3 is WiMAX network and a 3GPP network of network configuration diagram in the embodiments of the invention one;

Fig. 4 is the flow chart that MS is linked into the 3GPP network in the embodiments of the invention one through the WiMAX Access Network;

Fig. 5 is WiMAX network and a 3GPP network of network configuration diagram in the embodiments of the invention two;

Fig. 6 is WiMAX network and a 3GPP network of network configuration diagram in the embodiments of the invention two;

Fig. 7 is the schematic diagram that the MS under the roaming scence passes through visit 3GPP network insertion in the embodiments of the invention;

Fig. 8 is another schematic diagram that the MS under the roaming scence passes through visit 3GPP network insertion in the embodiments of the invention;

Fig. 9 is the schematic diagram that the MS under the roaming scence passes through local 3GPP network insertion in the embodiments of the invention;

Figure 10 is another schematic diagram that the MS under the roaming scence passes through local 3GPP network insertion in the embodiments of the invention;

Figure 11 is WiMAX network and a 3GPP network of network configuration diagram in the embodiments of the invention three.

Embodiment

Embodiments of the invention have proposed a kind of new WiMAX network and 3GPP network integration method and system, utilize the QoS of WiMAX to guarantee that the classification of mechanism and Business Stream and controlled function improve utilization efficiency of network resources, realize that WiMAX network and 3GPP network better merge.

Embodiments of the invention one provide the method for a kind of WiMAX network and the 3GPP network integration, WiMAX network that uses in the present embodiment and 3GPP network of network framework as shown in Figure 3, this network architecture difference with the prior art is:

(1) increase the HA function at the 3GPP network, the HA function can be positioned at the PDG entity; Or HA function individualism, need increase the interface between HA and the PDG during individualism.

(2) strengthen 3GPP AAA Server function, on 3GPP AAA Server, realize WiMAXAAA Server function, can carry out access authentication control user from the WiMAX network insertion to the 3GPP system.The user who is linked into the 3GPP network from the WiMAX Access Network is linked into 3GPPPS business or Internet by PDG.

When using network configuration shown in Figure 3, the flow process that MS is linked into the 3GPP network through the WiMAX Access Network may further comprise the steps as shown in Figure 4:

The 3GPP AAA Server of step s101, enhancing controls the user that WiMAX inserts.

Concrete, this control comprises user's authentication and authorization etc., and the 3GPPAAA Server that strengthens in this process needs and HSS carries out interactive query user's relevant information.

The 3GPPAAA Server of step s102, enhancing generates key and issues.

Concrete, after access authentication was finished, the 3GPP AAA Server of enhancing can generate relevant key information (further, can comprise the MIP key) and issue ASN-GW and HA according to the WiMAX network standard.The IP address is that MS distributes by 3GPP AAA Server or PDG, and PDG is that MS safeguards an IP address, can no longer distinguish Remote IP address and LocalIP address.Can still adopt the MIP tunnel between WiMAX FA and HA, keep the MIP mechanism of WiMAX, when MS switches in WiMAXASN or between the ASN-GW, use MIP mechanism, mobile anchor point is positioned at HA.The MIP registration can be CMIP or PMIP mode.

Step s103, user's local 3GPP network is issued to the WiMAX Access Network with QoS implementation strategy and charge information.

Concrete, after WiMAX access user's authentication was finished, user's local 3GPP network need be issued to the WiMAX Access Network with QoS implementation strategy and charge information.

This QoS implementation strategy to issue flow process as follows: the strategy decisive function of 3GPP network generates qos policy according to user's QoS profile and business information, and corresponding qos policy is issued to policy enforcement function in 3GPP network and the WiMAX access network, this policy enforcement function may be positioned at entities such as PDG, HA, ASN-GW; Perhaps strategy decisive function is issued to the strategy distribution function with qos policy, is issued to policy enforcement function by the strategy distribution function again.The qos policy that policy enforcement function on the policy execution entity wants implementation strategy decision-making or strategy distribution function to issue.Strategy decisive function in the described 3GPP network and strategy distribution function can be positioned at 3GPP AAA Server, or realize on independent network entity.

Further, in order to save terminal resource, MS can enter the IDLE state at one's leisure, and when entering the IDLE state can be by terminal or network-triggered.The operation of IDLE mechanism is identical with the WiMAX system with flow process.

No matter be to insert from WiMAX, UTRAN or GERAN, for realizing the common charging to the user, the charging center is positioned at the core net of 3GPP.For same user, network will be safeguarded same charging center for the user.Support is carried out online charging or offline charging to the user.Charging Collection Function on ASN-GW, PDG and/or the HA is responsible for carrying out charging information collecting and charge information is reported Accounting Client, and Accounting Client may be positioned at ASN-GW or PDG and/or HA.Accounting Client is according to the difference of user's charge type in user's the CAMEL-Subscription-Information and charging policy collecting charging information that policing feature issues and generate charging data record, and charging data record or accounting management message (such as the request of chargeing, the Credit Request under the online charging mode etc.) issued Online Charging System or off-line accounting system.

In the present embodiment, no matter be that the user can be linked into the 3GPPPS business, can realize common authentication, charging to the user simultaneously from WiMAX or 3GPP access.

In the embodiments of the invention two, the method and system of a kind of WiMAX network and the 3GPP network integration is provided, and purpose is the foregoing description one is optimized, except the function that can realize embodiment one, can also realize the switching between interdepartmental system, the continuity of terminal traffic before and after guaranteeing to switch.WiMAX network that uses in the present embodiment and 3GPP network of network framework such as Fig. 5 or shown in Figure 6, this network architecture difference with the prior art is:

Reuse (the Gateway GPRS Supporting Node of GGSN in the 3GPP network, Gateway GPRS Support Node) function, cancellation PDG, GGSN is as the access point that inserts 3GPP PS business and Internet, and MS is linked into 3GPP PS business and Internet by GGSN.Strengthen 3GPP AAA Server function, realize WiMAX AAA Server function, can carry out access authentication control user from the WiMAX network insertion to the 3GPP system.Realize the HA function in the 3GPP network internal, HA can realize (as shown in Figure 5) separately, or realizes (as shown in Figure 6) on GGSN.

No matter MS is linked into the 3GPP network from the sort of mode, GGSN is responsible for the unified MS distributing IP address that is, GGSN is as the anchor point of data, and user data sends to 3GPP PS business network or Internet by GGSN.When MS switched between WiMAX access network and 3GPP access network, GGSN was responsible for safeguarding the continuity of service switchover, and the IP address of holding MS during handoff procedure is protected is constant.

In this network architecture, the charging information collecting function on ASN-GW, GGSN and/or the HA is responsible for carrying out charging information collecting and is reported Accounting Client, and Accounting Client may be positioned at ASN-GW, GGSN and/or HA.Accounting Client is according to the difference of user's charge type in user's the CAMEL-Subscription-Information and charging policy collecting charging information that policing feature issues and generate charging data record, charging data record or accounting management message (such as the request of chargeing, the Credit Request under the online charging mode etc.) are issued Online Charging System or off-line accounting system.

For the foregoing description one and embodiment two, under roaming scence, according to being linked into the different of 3GPP PS business and Internet mode, the network architecture is divided following dual mode:

(1), by the network architecture of Visited 3GPP (visit 3GPP network) network insertion to 3GPP PS service and Internet.

The access of 3GPP PS service and Internet is provided by access zone network, and HA is positioned at the 3GPP network on visit ground.The access authentication of MS carries out at user's local (Home) 3GPP AAA Server, and authentication will be assisted through the 3GPPAAAProxy on visit ground; Access way as shown in Figure 7.

HA also can be positioned at local 3GPP network, according to the roaming agreement between home network and the roaming network, is specified the position of HA by AAA Server/Proxy.If the HA by the local is linked into the 3GPP PS service of visiting ground, access way as shown in Figure 8.If the HA function realizes that on PDG or GGSN then this access scene of Fig. 8 does not exist.

(2), by the network architecture of local 3GPP network insertion to 3GPP PS service and Internet.

The access of 3GPP PS service and Internet is provided by home network, and HA is positioned at the 3GPP network on visit ground.The access authentication of MS carries out at user's local 3GPP AAA Server, and authentication will be assisted through the 3GPP AAA Proxy on visit ground; Access way as shown in Figure 9.If the HA function realizes that on PDG or GGSN then this access scene of Fig. 9 does not exist.

HA also can be positioned at local 3GPP network, according to the roaming agreement between home network and the roaming network, is specified the position of HA by AAA Server/Proxy.If the HA by the local is linked into the 3GPP PS service of visiting ground, access way as shown in figure 10.

Embodiments of the invention three also provide the method for a kind of WiMAX network and the 3GPP network integration, WiMAX network that uses in the present embodiment and 3GPP network of network framework as shown in figure 11:

Increase the HA function in the 3GPP network internal, be linked into 3GPP PS business and Internet by HA.GGSN realizes the FA function, and uses the MIP tunnel between the HA.Strengthen 3GPP AAA Server function, realize WiMAX AAA Server function, can carry out access authentication control, increase the 3GPP AAA Server of enhancing and the interface between the GGSN user from the WiMAX network insertion to the 3GPP system.

When MS was linked into the 3GPP network through the WiMAX Access Network, the 3GPP AAA Server of enhancing controlled user's access, comprised user's authentication and authorization etc.After access authentication was finished, the 3GPP AAA Server of enhancing can consult to be the IP address of MS distributing uniform with GGSN.HA is as the access point of 3GPP business and Internet, and MS is linked into 3GPP business and Internet by HA.When MS switched to the Access Network of 3GPP, HA set up the MIP tunnel as the anchor point of data between GGSN that has realized the FA function and HA, still be linked into 3GPP business and Internet by HA, and the IP address that keeps original is constant.

For holding single-mode terminal and only possessing user by the 3GPP network accessibility, the user inserts 3GPP PS business or Internet can carry out according to general 3GPP user mode access, promptly is linked into 3GPP PS business or Internet by GGSN.For holding the user that dual-mode terminal possesses 3GPP network and WiMAX network accessibility, if the demand that exists interdepartmental system to switch, when being linked into the 3GPP network, realized MS setting up the MIP tunnel between the GGSN of FA function and the HA, and being linked into 3GPP PS business or Internet by HA, MS also can be linked into 3GPPPS business or Internet by GGSN certainly.MS from the 3GPP Access Network to the process that the WiMAX Access Network switches, HA keeps the IP address constant as the anchor point of data.

The HA function is newly introduced the 3GPP network, is used for the terminal by the WiMAX network insertion is inserted the 3GPP network; This HA function is on the entity of an individualism in the 3GPP network or the gateway function entity that is positioned at the 3GPP network.

3GPP AAA Server is positioned at the 3GPP network, and WiMAX AAA Server is provided function, is used for the terminal that the HA function inserts is authenticated.

The gateway function entity is positioned at the 3GPP network, is used for the terminal by described 3GPP AAA Server authentication is linked into 3GPP PS business network or Internet.This gateway function entity can be PDG or GGSN.

When this gateway function entity was PDG, the data of the terminal of WiMAX network insertion sent to 3GPP PS business network or Internet by PDG.And, then between HA and PDG, set up interface if the HA function is the entity of an individualism.

When the gateway function entity is GGSN, GGSN as the anchor point of data will be by the WiMAX network insertion the data of user terminal send to the 3GPP network; And the continuity of responsible service switchover, guarantee that the IP address when described user terminal switches is constant.When the HA function is the entity of an individualism, the last realization of GGSN external agent FA function, and and HA between set up the MIP tunnel, HA keeps the address of described terminal constant as the access point of described terminal and the anchor point of data.

Said method and network system architecture that the embodiment of the application of the invention describes have realized following beneficial effect: support the mobility between 3GPP and the WiMAX network, realize the switching between interdepartmental system; Simplify IP address assignment mechanism, reduce address assignment; WiMAX is provided control and the classification feature to Business Stream, utilizes the QoS of WiMAX to guarantee mechanism, improve utilization efficiency of network resources; Reduce the encapsulation of data and the expense of protocol header, reduce signaling consumption; Reduce the network data transmission node, reduce data transmission delay; The WiMAX network insertion can be used MIP mechanism, supports CMIP and PMIP mode; Raising can realize the charging based on stream to user's charging granularity; The IDLE mechanism that keeps terminal in the WiMAX network is saved terminal resource.

Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprises that some instructions are used so that an equipment is carried out the described method of each embodiment of the present invention.

More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.

Claims

1, the method for a kind of WiMAX network and the 3GPP network integration is characterized in that, may further comprise the steps:

2, the method for the WiMAX network and the 3GPP network integration according to claim 1 is characterized in that the HA that introduces in the described 3GPP network is independent entity, or is positioned on the described gateway function entity.

3, the method for the WiMAX network and the 3GPP network integration as claimed in claim 1 or 2 is characterized in that the gateway of described 3GPP network is packet data gateway PDG or Gateway GPRS Support Node GGSN.

4, as the method for the WiMAX network as described in the claim 3 and the 3GPP network integration, it is characterized in that, when the gateway function entity of described 3GPP network was PDG, described terminal by the WiMAX network insertion was linked into 3GPP PS business network or Internet by described PDG.

5, as the method for the WiMAX network as described in the claim 4 and the 3GPP network integration, it is characterized in that, when described HA is independent entity, have interface between described HA and the described PDG, the terminal that is linked into the 3GPP network from the WiMAX Access Network is linked into 3GPP PS business network or Internet by described PDG.

6, as the method for the WiMAX network as described in the claim 3 and the 3GPP network integration, it is characterized in that, when the gateway function entity of described 3GPP network is GGSN, described GGSN as the anchor point of data will be by the WiMAX network insertion the data of user terminal send to 3GPP PS business network or Internet; And the continuity of responsible service switchover, guarantee that the IP address when described terminal is switched is constant.

7, the method for the WiMAX network and the 3GPP network integration according to claim 1 is characterized in that, under the roaming scence, described terminal is during by visit 3GPP network insertion,

Described 3GPP AAA Server is the 3GPP AAAServer that is positioned at the local 3GPP network of described terminal, and described HA is the corpus separatum that is positioned at described visit 3GPP network, or is positioned on the gateway function entity of described visit 3GPP network; Or

Described 3GPP AAA Server is positioned at the 3GPP AAAServer of the local 3GPP network of described terminal, and described HA is positioned at for being positioned at the corpus separatum of described local 3GPP network.

8, the method for the WiMAX network and the 3GPP network integration according to claim 1 is characterized in that, under the roaming scence, described terminal is during by local 3GPP network insertion,

Described 3GPP AAA Server is the 3GPP AAAServer that is positioned at the local 3GPP network of described terminal, and described HA is positioned at for being positioned at the corpus separatum of visit 3GPP network; Or

Described 3GPP AAA Server is the 3GPP AAAServer that is positioned at the local 3GPP network of described terminal, and described HA is the corpus separatum that is positioned at described local 3GPP network, or is positioned on the gateway function entity of described visit 3GPP network.

9, as the method for the WiMAX network as described in the claim 2 and the 3GPP network integration, it is characterized in that, the HA of described 3GPP network is independent entity, on described GGSN, realize external agent FA function, and between described GGSN and HA, set up the MIP tunnel, described terminal is by the HA access network of described 3GPP network.

10, as the method for the WiMAX network as described in the claim 9 and the 3GPP network integration, it is characterized in that when described terminal switched, described HA kept the address of described terminal constant as the access point of described terminal and the anchor point of data.

11, as the method for the WiMAX network as described in the claim 9 and the 3GPP network integration, it is characterized in that,

For holding single-mode terminal and only possessing terminal by the 3GPP network accessibility, terminal inserts 3GPP PS business or Internet carries out according to general 3GPP user mode access, is linked into 3GPP PS business or Internet by GGSN;

For holding the terminal that dual-mode terminal possesses 3GPP network and WiMAX network accessibility, if the demand that exists interdepartmental system to switch, when being linked into the 3GPP network, terminal realized setting up the MIP tunnel between the GGSN of FA function and the HA, and be linked into 3GPP PS business or Internet by HA, terminal from the 3GPP Access Network to the process that the WiMAX Access Network switches, HA keeps the IP address constant as the anchor point of data.

12, the method for the WiMAX network and the 3GPP network integration according to claim 1 is characterized in that, the gateway function entity of described 3GPP network also comprises after described terminal by access authentication inserted 3GPP PS business network or Internet:

WiAMX network and 3GPP network that described 3GPP network sends to described terminal place with the QoS policy and the charge information of described terminal.

13, as the method for the WiMAX network as described in the claim 12 and the 3GPP network integration, it is characterized in that the delivery method of described qos policy is specially:

The strategy decisive function of described 3GPP network generates qos policy according to user's QoS profile and business information;

Described strategy decisive function directly is issued to policy enforcement function in 3GPP network and the WiMAX network with corresponding qos policy, or via the strategy distribution function, is issued to policy enforcement function by the strategy distribution function again;

Described policy enforcement function will be carried out the QoS implementation strategy that receives;

Policy enforcement function in described 3GPP network and the WiMAX network is positioned at PDG, HA or ASN-GW; Strategy decisive function and strategy distribution function in the described 3GPP network are positioned at 3GPPAAAServer, or realize on independent network entity.

14, as the method for the WiMAX network as described in the claim 12 and the 3GPP network integration, it is characterized in that the delivery method of described charge information is specially:

Charging Collection Function carries out charging information collecting and charge information is reported Accounting Client;

Accounting Client generates charging data record according to user's CAMEL-Subscription-Information and described charge information, and described charging data record or accounting management message are issued Online Charging System or off-line accounting system;

Described Charging Collection Function is positioned at ASN-GW, PDG and/or HA; Described Accounting Client is positioned at ASN-GW, PDG and/or HA.

15, the system of a kind of WiMAX network and the 3GPP network integration is characterized in that, comprising:

3GPPAAA Server is positioned at the 3GPP network, and WiMAXAAA Server is provided function, is used for the terminal that described HA function inserts is authenticated;

The gateway function entity is positioned at the 3GPP network, is used for the terminal by described 3GPPAAA Server authentication is linked into 3GPP PS business network or Internet.

16, as the system of the WiMAX network as described in the claim 15 and the 3GPP network integration, it is characterized in that the HA function of described 3GPP network is on the entity of an individualism or the gateway function entity that is positioned at described 3GPP network.

17, as the system of the WiMAX network as described in claim 15 or 16 and the 3GPP network integration, it is characterized in that the gateway function entity of described 3GPP network is PDG or GGSN.

18, as the system of the WiMAX network as described in the claim 17 and the 3GPP network integration, it is characterized in that when described gateway function entity was PDG, the data of the user terminal of WiMAX network insertion sent to 3GPP PS business network or Internet by PDG.

19, as the system of the WiMAX network as described in the claim 18 and the 3GPP network integration, it is characterized in that described HA function is the entity of an individualism, sets up interface between HA and the PDG.Insert 3GPP PS business network and Internet by PDG.

20, as the system of the WiMAX network as described in the claim 17 and the 3GPP network integration, it is characterized in that, when described gateway function entity is GGSN, described GGSN as the anchor point of data will be by the WiMAX network insertion the data of user terminal send to the 3GPP network; And the continuity of responsible service switchover, guarantee that the IP address when described user terminal switches is constant.

21, as the system of the WiMAX network as described in the claim 15 and the 3GPP network integration, it is characterized in that, described HA function is the entity of an individualism, described GGSN goes up and realizes external agent FA function, and and described HA between set up the MIP tunnel, described HA keeps the address of described terminal constant as the access point of described terminal and the anchor point of data.