CN102546154B - The changing method of terminal in mobile communications network - Google Patents
The changing method of terminal in mobile communications network Download PDFInfo
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- CN102546154B CN102546154B CN201110425788.7A CN201110425788A CN102546154B CN 102546154 B CN102546154 B CN 102546154B CN 201110425788 A CN201110425788 A CN 201110425788A CN 102546154 B CN102546154 B CN 102546154B
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Abstract
The invention relates to mobile communications network and the changing method of terminal between WLAN (wireless local area network) and radio honeycomb Access Network, solve the problem that terminal switches between existing WLAN (wireless local area network) and radio honeycomb Access Network.Described mobile communications network, comprise WLAN (wireless local area network) IAD and the radio honeycomb Access Network of core net, WLAN (wireless local area network), connection core net and WLAN (wireless local area network), described core net comprises a packet data gateway, and the terminal be in described WLAN (wireless local area network) accesses to the packet data gateway of core net by WLAN (wireless local area network) IAD.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the changing method of a kind of mobile communications network and terminal.
Background technology
FMC(Fixed Mobile Convergence, admittedly move fusion) be that the mobile Dominant Facies of the superiority bandwidth of fixed network and mobile network is combined, user is made to use same terminal can be linked into core network via different access networks, and can move freely under different access networks covers and switch, and obtain business and consistent business experience completely.
Along with FMC technology development and to carry out the demand of fused business based on 3GPP and non-3 gpp (comprising WLAN (wireless local area network)) wireless access technology day by day urgent, solve the problem that bandwidth cost is high, indoor network coverage is bad that 3GPP mobile radio access network exists, various wireless access technology is used anywhere or anytime more easily for user, high bandwidth business service means that are seamless, that freely movably use mobile core network to provide, no matter be to user or to operator, all become more and more important.
Switching realization between 3GPP and non-3 GPP access network obtains unified in 3GPP LTE related protocol, at present just in gradual perfection and revision.Between the heterogeneous network defined in international standard, seamless Handoff Scheme is based on MIP(Mobile IP) realize, require that core net upgrades to EPC network, dispose FA(external agent in network), HA(home agent), SGW(SGW) etc. equipment, the access of WLAN (wireless local area network) is realized by ePDG equipment, by setting up IPSEC escape way between ePDG and terminal, realize the service security of user by WLAN (wireless local area network) access mobile core net.
Have not yet to see and use bimodulus or multimode terminal, freely can access 2G or 3G mobile network and Wireless LAN IP broadband network and the commercial case of success of seamless switching can be realized between two kinds of networks.According to method or the technology of association area, if the first and second networks cannot share I P each other, then IP needs the second network by performing it switches again to assign.Therefore, transfer of data/reception may not smooth operation.
Summary of the invention
Technical problem to be solved by this invention is, a kind of mobile communications network and the changing method of terminal between WLAN (wireless local area network) and radio honeycomb Access Network are provided, carry out office terminal incision by internet key exchange protocol between terminal and WLAN (wireless local area network) IAD and cut out process, and reusing and the security association consulted between them and IP security protocol passage.
In order to solve the problem, the invention provides a kind of mobile communications network, comprise WLAN (wireless local area network) IAD and the radio honeycomb Access Network of core net, WLAN (wireless local area network), the described core net of connection and described WLAN (wireless local area network), it is characterized in that, described core net comprises a packet data gateway, accesses to described packet data gateway when terminal is in described WLAN (wireless local area network) by described WLAN (wireless local area network) IAD.
As optional technical scheme, when terminal is in described WLAN (wireless local area network), by internet key exchange protocol managing I P security protocol passage between described WLAN (wireless local area network) IAD and described terminal.
As optional technical scheme, described terminal is switched to described WLAN (wireless local area network) from described radio honeycomb Access Network, enables the security association between original described terminal and described WLAN (wireless local area network) IAD; Described terminal is switched to described radio honeycomb Access Network from described WLAN (wireless local area network), retains the security association between described WLAN (wireless local area network) IAD.
As optional technical scheme, described WLAN (wireless local area network) IAD comprises proxy-mobile IP module further.
Invention further provides a kind of changing method of the terminal be in above-mentioned network, described terminal switches from radio honeycomb Access Network to WLAN (wireless local area network), comprises the steps:
A) whether there is IP security protocol passage between described terminal inspection self and described WLAN (wireless local area network) IAD, if existed, then perform step b, if there is no then perform step e;
B) described terminal sends the internet key exchange protocol information request message not comprising load information to described WLAN (wireless local area network) IAD, requires to set up service channel between described WLAN (wireless local area network) IAD and described packet data gateway;
C) described WLAN (wireless local area network) IAD receives described request information, checks that whether the security association between described terminal is effective, as effectively, then performs step f, otherwise perform steps d;
D) described WLAN (wireless local area network) IAD returns the internet key exchange protocol info response message comprising notification payload information to described terminal, and instruction Security Parameter Index is invalid;
E) described terminal uses complete internet key exchange protocol process to set up IP security protocol passage between self and described WLAN (wireless local area network) IAD, and complete the foundation of service channel between described WLAN (wireless local area network) IAD and described packet data gateway, then proceed to and perform step h);
F) service channel is set up between described WLAN (wireless local area network) IAD and described packet data gateway;
G) described WLAN (wireless local area network) IAD sends the internet key exchange protocol response message not comprising load information to described terminal, notifies that described terminal switching process completes;
H) service channel between described packet data gateway release and described radio honeycomb Access Network.
As optional technical scheme, in described step e, described terminal uses complete internet key exchange protocol process to set up IP security protocol passage between self and described WLAN (wireless local area network) IAD, comprises the steps: e1 further) described terminal sends access request to described WLAN (wireless local area network) IAD; E2) described WLAN (wireless local area network) IAD initiates subscription authentication request to the aaa server be arranged in described core net/home subscriber server; E3) compute authentication parameter after described aaa server/home subscriber server receives described authentication request also returns Authentication Response; E4) the described Authentication Response that returns according to described aaa server/home subscriber server of described WLAN (wireless local area network) IAD is to the authentication parameter of terminal described in described terminal request; E5) described terminal returns described terminal authentication parameter to described WLAN (wireless local area network) IAD; E6) the described Authentication Response that returns according to described aaa server/home subscriber server of described WLAN (wireless local area network) IAD and described terminal authentication parameter carry out authentication; E7), after completing authentication, between described terminal and described WLAN (wireless local area network) IAD, described IP security protocol passage is set up.
As optional technical scheme, described step f comprises further: f11) described WLAN (wireless local area network) IAD initiates request for building link to described packet data gateway; F12), after described packet data gateway sets up the link between described WLAN (wireless local area network) IAD, return link is successfully established response, and discharges the service channel between original and described radio honeycomb Access Network; F13), after described WLAN (wireless local area network) IAD receives described link establishment success response, the message successfully setting up service channel is sent to described terminal.
As optional technical scheme, described step f comprises further: f21) described WLAN (wireless local area network) IAD initiates proxy-mobile IP binding update messages to described packet data gateway; F22) described packet data gateway returns agent binding response message to described WLAN (wireless local area network) IAD, and initiates proxy-mobile IP binding revocation request message to described wireless cellular access network access controller or Service Gateway simultaneously; F23) air-link resources of described wireless cellular access network access controller or Service Gateway release and described terminal room; F24) proxy-mobile IP binding is recalled response message and is sent to described packet data gateway by described wireless cellular access network access controller or Service Gateway.
Invention further provides the changing method of the terminal in a kind of above-mentioned network, described terminal switches from described WLAN (wireless local area network) to described radio honeycomb Access Network, comprises the steps:
A) described packet data gateway is completing after the service channel between described radio honeycomb Access Network sets up, and sends the service channel between the release of WLAN (wireless local area network) IAD with described packet data gateway described in message notice;
B) described WLAN (wireless local area network) IAD determines the security association that whether will discharge between described WLAN (wireless local area network) IAD and described terminal according to the cell in described packet data gateway institute photos and sending messages or the configuration of self, if need release, then steps performed C, if do not needed release, then perform step D;
C) described WLAN (wireless local area network) IAD sends the internet key exchange protocol information request message comprising notification payload information to described terminal, described WLAN (wireless local area network) IAD after a message has been sent or after receiving response message that described terminal returns, deletes the security association with described terminal room;
D) described WLAN (wireless local area network) IAD periodically sends internet key exchange protocol information request message, to maintain security association each other to described terminal.
As optional technical scheme, described steps A comprises further: A11) wireless cellular access network access controller or Service Gateway initiate request for building link to described packet data gateway; A12) described packet data gateway is set up and after link between described wireless cellular access network access controller or Service Gateway, return link is successfully established response, and sends link releasing request message to described WLAN (wireless local area network) IAD simultaneously; A13), after described wireless cellular access network access controller or Service Gateway receive the link establishment success response that described packet data gateway returns, the message successfully setting up data channel is sent to described terminal.
As optional technical scheme, described steps A comprises further: A21) described wireless cellular access network access controller or Service Gateway initiate proxy-mobile IP binding update messages to described packet data gateway; A22) described packet data gateway returns proxy-mobile IP binding response message to described wireless cellular access network access controller or Service Gateway, and initiates proxy-mobile IP binding revocation request message to described WLAN (wireless local area network) IAD simultaneously; A23) proxy-mobile IP binding is recalled response message and is sent to described packet data gateway by described WLAN (wireless local area network) IAD.
As optional technical scheme, described step D comprises further: described terminal checks whether described security association exists, if exist, described terminal returns the internet key exchange protocol info response message not comprising load information; If do not exist, described terminal returns the internet key exchange protocol info response message comprising notification payload information, and instruction Security Parameter Index is invalid.
As optional technical scheme, described step D comprises further: if described WLAN (wireless local area network) IAD continuous several times does not receive the response message that described terminal returns, or have received the internet key exchange protocol info response message comprising notification payload information, the security association between described terminal should be deleted, and stop sending periodic request message to described terminal.
The invention has the advantages that, the technical scheme of the seamless switching that the present invention proposes, terminal remains that in across a network handoff procedure IP address is constant; Support the switching between the mobile wireless network that the multiple wlan access networks such as WiFi/WiMax/Bluetooth and 3GPP/3GPP2 standardization body define; Support IPSEC, ensure that terminal is via service security when WLAN (wireless local area network) and IP network core network access packet domain; The present invention supports multiple terminal form, comprises hand-held mobile terminal, data card or the client utilizing other form external device to access.As long as these terminals support WLAN (wireless local area network) access, the method that can be described by the present invention is realized the seamless switching of business at the superposition area of coverage of WLAN (wireless local area network) and wireless cellular access network or keeps mobile service continuity.
Accompanying drawing explanation
Accompanying drawing 1 is the configuration diagram of mobile communications network described in the specific embodiment of the invention.
Accompanying drawing 2 is step schematic diagrames that in the specific embodiment of the invention, terminal switches from radio honeycomb Access Network to WLAN (wireless local area network).
Accompanying drawing 3 is step schematic diagrames that in the specific embodiment of the invention, terminal switches from WLAN (wireless local area network) to radio honeycomb Access Network.
Accompanying drawing 4 to 9 is the switch step schematic diagrames described in the present invention's six embodiments.
Embodiment
Embodiment below in conjunction with accompanying drawing changing method between WLAN (wireless local area network) and radio honeycomb Access Network to mobile communications network provided by the invention and terminal elaborates.
The core net of indication of the present invention is the mobile core network of 3GPP tissue and 3GPP2 definition.The WLAN (wireless local area network) access technology of indication of the present invention comprise use WiFi(802.11 series standard), WiMax(802.16 series standard) and bluetooth (Bluetooth) be linked into the access way of broadband IP network.
First the embodiment of mobile communications network of the present invention is provided by reference to the accompanying drawings.With reference to the configuration diagram shown in accompanying drawing 1 being communication network described in this embodiment, comprise core net 10, access to the WLAN (wireless local area network) 11 of core net 10, radio honeycomb Access Network 12, WLAN (wireless local area network) IAD 13 and terminal 19.Described WLAN (wireless local area network) 11 accesses to core net 10 by WLAN (wireless local area network) IAD 13; In described core net, 10 comprise a packet data gateway 101 further, and the terminal be in described WLAN (wireless local area network) 11 accesses to described packet data gateway 101 by WLAN (wireless local area network) IAD 13.
In this embodiment, the data channel between described WLAN (wireless local area network) IAD 13 and terminal 19 is IPSEC passage, by parameters such as IKEv2 protocol negotiation IPSEC keys.In other implementations, above-mentioned data channel between the two also can be the data channel with fail safe adopting other any one protocol definitions.
In this embodiment, described packet data gateway 101 is the gateway devices realizing mobile Packet Service and external business network data exchange in mobile core network, is selected from the one of Gateway GPRS Support Node or packet data network gateway.
In network described in this embodiment, by arranging WLAN (wireless local area network) IAD 13, IP address when ensure that terminal 19 roams in WLAN (wireless local area network) 11, can be kept constant.Proxy-mobile IP (PMIP) module is set in WLAN (wireless local area network) IAD 13, can initiates further to adopt the switching based on proxy-mobile IP pattern, ensure that the IP address of terminal 19 remains unchanged in handoff procedure.Proxy-mobile IP is a kind of IP routing mechanism for mobile subscriber provides, and makes to support that the terminal of proxy-mobile IP can be connected on any link by self identification.
Next the embodiment of terminal switching method of the present invention is provided by reference to the accompanying drawings.
Be the step schematic diagram that in this embodiment, terminal switches from radio honeycomb Access Network to WLAN (wireless local area network) shown in accompanying drawing 2, next the step shown in accompanying drawing 2 elaborated.
S20: whether there is IP security protocol passage between terminal inspection self and WLAN (wireless local area network) IAD.
When terminal detects WLAN signal, when judgement needs service connection to be switched to WLAN access, terminal checks whether there is IPSEC SA.If existed, perform step S21, require to set up service channel between WLAN (wireless local area network) IAD and packet data gateway; If there is no then perform step S24, re-establish the safe data channel between terminal and WLAN (wireless local area network) IAD.
S21: terminal sends internet key exchange protocol information request (the IKEv2 Informational Request) message not comprising load information to WLAN (wireless local area network) IAD, be established to the service channel of packet data gateway for triggering WLAN (wireless local area network) IAD.
S22: after WLAN (wireless local area network) IAD receives described request information, checks that whether the security association (IPSEC SA) between terminal is effective, as effectively, then performs step S25, otherwise perform step S23.
Initiate to set up the step setting up service channel between WLAN (wireless local area network) IAD and packet data gateway the step of this verification can avoid the data channel between terminal and WLAN (wireless local area network) IAD invalid, reduce the operating pressure of core net.
S23: WLAN (wireless local area network) IAD returns internet key exchange protocol information response (the IKEv2 Informational Response) message comprising notification payload information (Notify payload) to terminal, instruction SPI(Security Parameter Index, Security Parameter Index) invalid.
After terminal receives IKEv2 Informational Response, can select to delete IPSEC SA.
S24: terminal uses complete internet key exchange protocol (IKEv2) process to set up safe data channel between self and WLAN (wireless local area network) IAD, and complete the foundation of service channel between WLAN (wireless local area network) IAD and packet data gateway, proceed to and perform step S26.
First terminal sends the access request not comprising load information to WLAN (wireless local area network) IAD; WLAN (wireless local area network) IAD receives the backward AAA server/home subscriber server that is arranged on of access request and initiates subscription authentication request; Compute authentication parameter after AAA server/home subscriber server receives authentication request also returns Authentication Response; The authentication parameter that WLAN (wireless local area network) IAD returns according to AAA server/home subscriber server is to the corresponding authentication parameter of terminal request; Terminal returns corresponding authentication parameter to WLAN (wireless local area network) IAD; The described Authentication Response that WLAN (wireless local area network) IAD returns according to described aaa server/home subscriber server and described terminal authentication parameter carry out authentication; Initial IPSEC SA is set up between described terminal and described WLAN (wireless local area network) IAD after completing authentication; After the foundation of initial IPSEC SA, terminal sends access request to WLAN (wireless local area network) IAD; After WLAN (wireless local area network) IAD receives access request, by the link establishment handover scheme based on simple IP or the binding of the proxy-mobile IP based on proxy-mobile IP handover scheme, complete the foundation of service channel between WLAN (wireless local area network) IAD and packet data gateway, after terminal switch to WLAN (wireless local area network) IAD, original IP address can be kept constant.
S25: set up service channel between WLAN (wireless local area network) IAD and packet data gateway, completes the business switching that terminal accesses to WLAN.
After WLAN (wireless local area network) IAD receives IKEv2 Informational Request, if it is still effective to be checked through IPSEC SA, the packet data gateway to core net can be selected to initiate request for building link; Packet data gateway return link sets up response; Packet data gateway, after return link sets up response, can trigger the dispose procedure of the airlink of original radio honeycomb Access Network service channel and terminal; WLAN (wireless local area network) IAD sends the IKEv2 Informational Response message not comprising load information after receiving the link establishment success response that packet data gateway returns to terminal; After terminal receives message, can think that the business that for successfully completing to WLAN access switches, data service can continue to use.Above method is the handover scheme based on simple IP, and terminal, after being switched to WLAN (wireless local area network) IAD, can keep original IP address constant.
If it is still effective that WLAN (wireless local area network) IAD is checked through IPSEC SA, the packet data gateway to core net also can be selected to initiate proxy-mobile IP binding update messages; Packet data gateway returns proxy-mobile IP binding response message to WLAN (wireless local area network) IAD, and initiate mobile IP agent revocation request message to wireless cellular access network access controller or Service Gateway simultaneously, trigger the air-link resources of wireless cellular access network access controller or Service Gateway release and terminal room; Proxy-mobile IP binding is recalled response message and is sent to packet data gateway by wireless cellular access network access controller or Service Gateway; WLAN (wireless local area network) IAD sends the IKEv2 Informational Response message not comprising load information after receiving the proxy-mobile IP binding response message that packet data gateway returns to terminal; After terminal receives message, can think that the business that for successfully completing to WLAN access switches, data service can continue to use.Above method is the handover scheme based on proxy-mobile IP, and terminal, after adopting the scheme of proxy-mobile IP binding to be switched to WLAN (wireless local area network) IAD, can keep original IP address constant.Wireless cellular access network access controller or Service Gateway are controller or the gateway of radio honeycomb Access Network, realize carrying out control and management to the Radio Resource of radio honeycomb Access Network; Conversate alternately with terminal, make user use radio honeycomb Access Network, by described controller or gateway accessing to mobile core network.
S26: the service channel between packet data gateway release and radio honeycomb Access Network.
Be the step schematic diagram that in this embodiment, terminal switches from WLAN (wireless local area network) to radio honeycomb Access Network shown in accompanying drawing 3, next the step shown in accompanying drawing 3 elaborated.
S30: packet data gateway, completing after the service channel between radio honeycomb Access Network sets up, sends the service channel between message notice WLAN (wireless local area network) IAD release WLAN (wireless local area network) IAD and packet data gateway.
When terminal judgement needs service connection to be switched to the access of mobile wireless honeycomb, terminal and radio honeycomb Access Network mutual, trigger the link establishment process that the packet data gateway of core net was set up and arrived to airlink, set up the service channel of radio honeycomb Access Network to the packet data gateway of core net.After the packet data gateway of core net completes and sets up with the service channel of radio honeycomb Access Network, notice WLAN (wireless local area network) IAD discharges original service channel, and WLAN (wireless local area network) IAD returns service channel release response.
When terminal judgement needs service connection to be switched to the access of mobile wireless honeycomb, wireless cellular access network access controller or Service Gateway can be selected to initiate request for building link to packet data gateway; Packet data gateway is set up and after link between wireless cellular access network access controller or Service Gateway, return link is successfully established response, and sends link releasing request message to WLAN (wireless local area network) IAD simultaneously; Wireless cellular access network access controller or Service Gateway send the message successfully setting up data channel after receiving the link establishment success response that packet data gateway returns to terminal.Above method is the handover scheme based on simple IP, and terminal, after being switched to the access of mobile wireless honeycomb, can keep original IP address constant.
When terminal judgement needs service connection to be switched to the access of mobile wireless honeycomb, wireless cellular access network access controller or Service Gateway also can be selected to initiate proxy-mobile IP binding update messages to packet data gateway; Packet data gateway returns proxy-mobile IP binding response message to described wireless cellular access network access controller or Service Gateway, and initiates proxy-mobile IP binding revocation request message to WLAN (wireless local area network) IAD simultaneously; Proxy-mobile IP binding is recalled response message and is sent to described packet data gateway by WLAN (wireless local area network) IAD.Above method is the handover scheme based on proxy-mobile IP, and terminal, after adopting the scheme of proxy-mobile IP binding to be switched to the access of mobile wireless honeycomb, can keep original IP address constant.
S31: WLAN (wireless local area network) IAD judges whether the security association needing release and terminal room.
WLAN (wireless local area network) IAD determines the security association that whether will discharge between WLAN (wireless local area network) IAD and terminal according to the cell in the packet data gateway institute photos and sending messages received or the configuration of self.If need release, then steps performed S32, if do not needed release, then perform step S33.
S32: WLAN (wireless local area network) IAD sends the internet key exchange protocol information request message comprising and delete load information to terminal, WLAN (wireless local area network) IAD after a message has been sent or after receiving response message that terminal returns, deletes the security association with terminal room.
If discharge IPSEC SA, WLAN (wireless local area network) IAD is initiated IKEv2 Informational Request message to terminal and is carried Delete Payload, and notification terminal deletes IPSEC SA and associated safety tunnel.
S33: WLAN (wireless local area network) IAD periodically sends internet key exchange protocol information request message, to maintain security association each other to terminal.
If do not require release IPSEC SA, WLAN (wireless local area network) IAD can according to the IPSEC SA existence timer of setting, periodically send the IKEv2 Informational Request message not comprising load information to terminal, to maintain the state of activation of IPSEC SA between WLAN (wireless local area network) IAD and terminal.
S34: after terminal receives request message, is checked through security association effective, then returns the response message not comprising load information; If be checked through invalid security association, then return the response message comprising notification payload information to terminal, instruction Security Parameter Index is invalid.
After terminal receives the internet key exchange protocol information request message of WLAN (wireless local area network) IAD transmission, be checked through IPSEC SA effective, then return internet key exchange protocol information response (the IKEv2 Informational Response) message not comprising load information; If it is invalid to be checked through IPSEC SA, then return the IKEv2 Informational Response message comprising notification payload information (Notify payload) to terminal, instruction Security Parameter Index (SPI) is invalid.
S35: if WLAN (wireless local area network) IAD continuous several times does not receive the response message of terminal, or receive the response message comprising notification payload information that terminal returns, the security association between described terminal should be deleted, and stop sending periodic request information to described terminal.
If WLAN (wireless local area network) IAD continuous several times does not receive the IKEv2 Informational Response message of terminal, then WLAN (wireless local area network) IAD deletes IPSEC SA, and stops sending periodic request message to described terminal.If WLAN (wireless local area network) IAD have received the IKEv2 Informational Response message comprising notification payload information, can select to delete IPSEC SA, stop sending periodic request information to described terminal.After this, if terminal switches back WLAN access again, flow process is with reference to aforementioned.
The present invention adds WLAN (wireless local area network) IAD in existing network, without any other, demand is changed to existing mobile core network, by in WLAN (wireless local area network) IAD deploy proxy-mobile IP (PMIP) function, can the deployment of adaptive subsequent movement IP, the roaming range extended one's service.
Next multiple embodiments of technique scheme are provided.
It is as follows that the english abbreviation adopted in following examples and English describe corresponding Chinese implication:
3GPP(The 3rd Generation Partnership Project, third generation partner program);
AAA server (Authentication Authorization Accounting Server, checking, authorization and accounting server);
EAP (Extensible Authentication Protocol, Extensible Authentication Protocol);
EPC network (Evolved Packet Core Network, the packet-based core networks of evolution);
FMC(Fixed Mobile Convergence, admittedly move fusion);
GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node);
HSS(Home Subscriber Server, home subscriber server);
IKEv2(Internet Key Exchange version 2, internet key exchange protocol the 2nd edition);
IP(Internet Protocol, procotol);
IPSEC(IP Security, IP security protocol);
LTE (Long Term Evolution, Long Term Evolution);
MIP(Mobile Internet Protocol, Mobile IP);
PMIP (Proxy Mobile Internet Protocol, proxy-mobile IP);
PDN GW(Packet Data Network Gateway, packet data network gateway);
PDSN(Packet Data Support Node, packet data support node);
PPP(Point to Point Protocol, point to point protocol);
RFC(Request For Comments, request comment);
SA(Security Association, security association);
SPI (Security Parameters Index, Security Parameter Index);
Wi-Fi(Wireless Fidelity, Wireless Fidelity);
WiMax (Worldwide Interoperability for Microwave Access, worldwide interoperability for microwave accesses)
WLAN(Wireless Local Area Networks, WLAN (wireless local area network));
Delete Payload(deletes load);
A11 Reg Request(A11 login request message);
A11 Reg Reply(A11 registration reply message);
A11-Registration Update(A11 recalls updating message);
A11-Registration Ack(A11 recalls response message);
A11-Registration Req (lifetme=0) (A11 revocation request message (life cycle=0));
A11-Registration Reply(A11 recalls response message);
Informational Request(informedness request);
Informational Response(informedness responds);
IKE_SA_INIT(internet key exchange _ Security Association _ initialization);
IKE_AUTH_REQUEST(internet key exchange _ authentication _ request);
IKE_AUTH_RESPONSE(internet key exchange _ authentication _ response);
Binding Revocation Request(binds revocation request);
Response is recalled in Binding Revocation Ack(binding);
PMIP Binding Update(PMIP Binding Update);
PMIP Binding Ack(PMIP binds response).
Embodiment one
Fig. 4 is the step schematic diagram of the present embodiment.The present embodiment be based on simple IP radio honeycomb Access Network access be switched to WLAN (wireless local area network) access flow process, this process correspond to there is not IPSEC SA between terminal and WLAN (wireless local area network) IAD, need by IKEv2 process again consult set up.
Terminal by connecting between radio honeycomb Access Network and the packet data gateway of core net, just in usage data business.When terminal detects wireless lan signal, when judgement needs service connection to be switched to WLAN (wireless local area network) access, first terminal sends IKE SA initial message to WLAN (wireless local area network) IAD; WLAN (wireless local area network) IAD initiates subscription authentication request to AAA server/home subscriber server after receiving access request; Compute authentication parameter after AAA server/home subscriber server receives authentication request also returns Authentication Response; The authentication parameter that WLAN (wireless local area network) IAD returns according to AAA server/home subscriber server is to the corresponding authentication parameter of terminal request; Terminal returns corresponding authentication parameter; The authentication parameter that home subscriber server returns according to AAA server/home subscriber server and terminal return authentication parameter and carry out authentication; The foundation of initial IPSEC SA is completed between terminal and WLAN (wireless local area network) IAD after authentication; After the foundation of initial IPSEC SA, terminal sends access request to WLAN (wireless local area network) IAD; After WLAN (wireless local area network) IAD receives access request, the packet data gateway to core net initiates request for building link; The packet data gateway of core net sets up response to WLAN (wireless local area network) IAD return link after receiving described request for building link, thus the Business Stream of terminal is switched to WLAN (wireless local area network) IAD from radio honeycomb Access Network; The packet data gateway of core net, after WLAN (wireless local area network) IAD return link foundation response, can trigger the dispose procedure of the airlink between original radio honeycomb Access Network service channel and terminal; After the link establishment that the packet data gateway that WLAN (wireless local area network) IAD receives core net returns successfully responds, send IKE Authentication Response to terminal.After terminal receives described informedness response message, namely think that the business that for successfully completing to WLAN (wireless local area network) switches, data service can continue to use.
Terminal accesses the packet-based core networks of 3GPP, 3GPP2 core net or EPC(evolution by radio honeycomb Access Network), complete access authentication, set up service bearer passage, the business network that access operator provides, the method obtaining business service has standard in accordance with 3GPP and 3GPP2.
Terminal accesses 3GPP, 3GPP2 core net or EPC by WLAN (wireless local area network), set up IPSEC SA by IKEv2 agreement and WLAN (wireless local area network) IAD, via WLAN (wireless local area network) IAD access 3GPP, 3GPP2 core net or EPC, the business network that access operator provides, obtains business service.Complete authentication between terminal and WLAN (wireless local area network) IAD, AAA server/home subscriber server, consult to set up SA(Security Association) method with reference to the existing standard of 3GPP and RFC.IKEv2 process between terminal and WLAN (wireless local area network) IAD meets RFC related specifications, as RFC4306.
Embodiment two
Fig. 5 is the step schematic diagram of the present embodiment.The flow process of the present embodiment to be terminal based on the WLAN (wireless local area network) access of simple IP be switched to radio honeycomb Access Network access.
Terminal by connecting between WLAN (wireless local area network) and the packet data gateway of core net, uses business.When terminal judgement needs service connection to be switched to radio honeycomb Access Network, terminal and radio honeycomb Access Network mutual, trigger the link establishment process that the packet data gateway of core net was set up and arrived to airlink, set up the service channel of radio honeycomb Access Network to the packet data gateway of core net; After the packet data gateway of core net completes and sets up with the service channel of radio honeycomb Access Network, notice WLAN (wireless local area network) IAD discharges original service channel, and WLAN (wireless local area network) IAD returns service channel release response; The business that terminal completes to radio honeycomb Access Network switches, and data service can continue to use.
WLAN (wireless local area network) IAD can judge whether according to the cell in the packet data gateway release message of core net to discharge IPSEC SA, or determines whether will discharge IPSEC SA according to configuration.
If discharge IPSEC SA, WLAN (wireless local area network) IAD is initiated Informational Request message (informedness request) to terminal and is carried Delete Payload(deletion load), notification terminal deletes IKE SA and associated safety tunnel.If do not require release IPSEC SA, WLAN (wireless local area network) IAD can according to the IPSEC SA existence timer of setting, periodically send the Informational Request message not comprising load information to terminal, to maintain the state of activation of IPSEC SA between WLAN (wireless local area network) IAD and terminal.After terminal receives this message, be checked through IPSEC SA effective, then return the Informational Response message (informedness response) not comprising load information; If it is invalid to be checked through IPSEC SA, then return the Informational Response message comprising notification payload information (Notify payload) to terminal, instruction SPI(Security Parameter Index) invalid.If the continuous several times of WLAN (wireless local area network) IAD do not receive the Informational Response message of terminal, then WLAN (wireless local area network) IAD deletes IPSEC SA.If WLAN (wireless local area network) IAD have received the Informational Response message comprising notification payload information, can select to delete IPSEC SA.After this, if terminal switches back WLAN (wireless local area network) access again, flow process is described in reference diagram 4.
Embodiment three
Fig. 6 is the step schematic diagram of the present embodiment.The present embodiment is that terminal is based on PMIP(proxy-mobile IP) radio honeycomb Access Network access be switched to WLAN (wireless local area network) access flow process, this process corresponds to does not exist IPSEC SA between terminal and WLAN (wireless local area network) IAD, needs the situation of again being consulted foundation by IKEv2 process.
Be that message mutual between the packet data gateway of core net with WLAN (wireless local area network) IAD is different based on PMIP with the flow process difference that simple IP realizes; Radio honeycomb Access Network based on PMIP is switched in WLAN (wireless local area network), WLAN (wireless local area network) IAD initiates PMIP Binding Update (PMIP Binding Update) message to the packet data gateway of core net, and the packet data gateway of core net returns PMIP binding response (PMIP Binding Ack) message to WLAN (wireless local area network) IAD.The packet data gateway of core net initiates PMIP revocation request (Binding Revocation Request) message to radio honeycomb Access Network, and radio honeycomb Access Network returns PMIP to the packet data gateway of core net and recalls response (Binding Revocation Ack) message.Other process step is identical with Fig. 4, herein no longer repeated description.
Embodiment four
Fig. 7 is the step schematic diagram of the present embodiment.The flow process of the present embodiment to be terminal based on the WLAN (wireless local area network) access of PMIP be switched to radio honeycomb Access Network access.
Be that message mutual between the packet data gateway of core net with WLAN (wireless local area network) IAD is different based on PMIP with the flow process difference that simple IP realizes; WLAN (wireless local area network) based on PMIP is switched in radio honeycomb Access Network, after the packet data gateway of core net receives the session establishment message of radio honeycomb Access Network, initiate PMIP revocation request (Binding Revocation Request) message to WLAN (wireless local area network) IAD, WLAN (wireless local area network) IAD returns PMIP to the packet data gateway of core net and recalls response (Binding Revocation Ack) message.Other process step is identical with Fig. 5, herein no longer repeated description.
Embodiment five
Fig. 8 is the step schematic diagram for the present embodiment.The flow process of the present embodiment to be terminal based on the radio honeycomb Access Network access of simple IP be switched to WLAN (wireless local area network) access, reuses original IPSEC SA.
Terminal by connecting between radio honeycomb Access Network and the packet data gateway of core net, just in usage data business.When terminal detects wireless lan signal, when judgement needs service connection to be switched to WLAN (wireless local area network) access, first terminal sends information request (Information Request) message to WLAN (wireless local area network) IAD, A11 login request message (A11 Reg Request) is initiated to the packet data gateway of core net after WLAN (wireless local area network) IAD receives information request, A11 registration reply message (A11 Reg Reply) is returned to WLAN (wireless local area network) IAD after the packet data gateway of core net receives described request for building link, thus the Business Stream of terminal is switched to WLAN (wireless local area network) IAD from radio honeycomb Access Network, namely think that the business that for successfully completing to WLAN (wireless local area network) switches, data service can continue to use, the packet data gateway of core net is after WLAN (wireless local area network) IAD return link foundation response, initiate A11 to radio honeycomb Access Network and recall updating message (A11-Registration Update), radio honeycomb Access Network returns A11 to packet data gateway and recalls response message (A11-Registration Ack), trigger the dispose procedure of the airlink between original radio honeycomb Access Network service channel and terminal, radio honeycomb Access Network initiates A11 revocation request message (life cycle=0) (A11-Registration Req (lifetme=0)) to packet data gateway afterwards, packet data gateway returns A11 to radio honeycomb Access Network and recalls response message (A11-Registration Reply), service channel between release packet data gateway and radio honeycomb Access Network.
Embodiment six
Fig. 9 is the step schematic diagram for the present embodiment.The flow process of the present embodiment to be terminal based on the radio honeycomb Access Network access of PMIP be switched to WLAN (wireless local area network) access, reuses original IPSEC SA.
Terminal by connecting between radio honeycomb Access Network and the packet data gateway of core net, just in usage data business.When terminal detects wireless lan signal, when judgement needs service connection to be switched to WLAN (wireless local area network) access, first terminal sends information request (Information Request) message to WLAN (wireless local area network) IAD; PMIP Binding Update (PMIP Binding Update) message is initiated to the packet data gateway of core net after WLAN (wireless local area network) IAD receives information request; The packet data gateway of core net returns PMIP binding response (PMIP Binding Ack) message to WLAN (wireless local area network) IAD, thus the Business Stream of terminal is switched to WLAN (wireless local area network) IAD from radio honeycomb Access Network.The packet data gateway of core net initiates PMIP revocation request (Binding Revocation Request) message to radio honeycomb Access Network, trigger the dispose procedure of the airlink between original radio honeycomb Access Network and terminal, radio honeycomb Access Network returns PMIP to the packet data gateway of core net and recalls response (Binding Revocation Ack) message afterwards.Namely think that the business that for successfully completing to WLAN (wireless local area network) switches, data service can continue to use.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the changing method of a terminal, described terminal is in a mobile communications network, described mobile communications network comprises WLAN (wireless local area network) IAD and the radio honeycomb Access Network of core net, WLAN (wireless local area network), the described core net of connection and described WLAN (wireless local area network), described core net comprises a packet data gateway, described packet data gateway is accessed to by described WLAN (wireless local area network) IAD when terminal is in described WLAN (wireless local area network), described terminal switches from radio honeycomb Access Network to described WLAN (wireless local area network), it is characterized in that, comprise the steps:
A) whether there is IP security protocol passage between described terminal inspection self and described WLAN (wireless local area network) IAD, if existed, then perform step b, if there is no then perform step e;
B) described terminal sends the internet key exchange protocol information request message not comprising load information to described WLAN (wireless local area network) IAD, requires to set up service channel between described WLAN (wireless local area network) IAD and described packet data gateway;
C) described WLAN (wireless local area network) IAD receives described request information, checks that whether the security association between described terminal is effective, as effectively, then performs step f, otherwise perform steps d;
D) described WLAN (wireless local area network) IAD returns the internet key exchange protocol info response message comprising notification payload information to described terminal, and instruction Security Parameter Index is invalid;
E) described terminal uses complete internet key exchange protocol process to set up IP security protocol data channel between self and described WLAN (wireless local area network) IAD, and complete the foundation of service channel between described WLAN (wireless local area network) IAD and described packet data gateway, then proceed to and perform step h);
F) service channel is set up between described WLAN (wireless local area network) IAD and described packet data gateway;
G) described WLAN (wireless local area network) IAD sends the internet key exchange protocol response message not comprising load information to described terminal, notifies that described terminal switching process completes;
H) service channel between described packet data gateway release and described radio honeycomb Access Network.
2. the changing method of terminal according to claim 1, it is characterized in that, in described step e, described terminal uses complete internet key exchange protocol process to set up IP security protocol passage between self and described WLAN (wireless local area network) IAD, comprises the steps: further
E1) described terminal sends access request to described WLAN (wireless local area network) IAD;
E2) described WLAN (wireless local area network) IAD initiates subscription authentication request to the aaa server be arranged in described core net/home subscriber server;
E3) compute authentication parameter after described aaa server/home subscriber server receives described authentication request also returns Authentication Response;
E4) the described Authentication Response that returns according to described aaa server/home subscriber server of described WLAN (wireless local area network) IAD is to the authentication parameter of terminal described in described terminal request;
E5) described terminal returns described terminal authentication parameter to described WLAN (wireless local area network) IAD;
E6) the described Authentication Response that returns according to described aaa server/home subscriber server of described WLAN (wireless local area network) IAD and described terminal authentication parameter carry out authentication;
E7), after completing authentication, between described terminal and described WLAN (wireless local area network) IAD, described IP security protocol passage is set up.
3. the changing method of terminal according to claim 1, is characterized in that, described step f comprises further:
F11) described WLAN (wireless local area network) IAD initiates request for building link to described packet data gateway;
F12), after described packet data gateway sets up the link between described WLAN (wireless local area network) IAD, return link is successfully established response, and discharges the service channel between original and described radio honeycomb Access Network;
F13), after described WLAN (wireless local area network) IAD receives described link establishment success response, the message successfully setting up service channel is sent to described terminal.
4. the changing method of terminal according to claim 1, is characterized in that, described step f comprises further:
F21) described WLAN (wireless local area network) IAD initiates proxy-mobile IP binding update messages to described packet data gateway;
F22) described packet data gateway returns agent binding response message to described WLAN (wireless local area network) IAD, and initiates proxy-mobile IP binding revocation request message to described wireless cellular access network access controller or Service Gateway simultaneously;
F23) air-link resources of described wireless cellular access network access controller or Service Gateway release and described terminal room;
F24) proxy-mobile IP binding is recalled response message and is sent to described packet data gateway by described wireless cellular access network access controller or Service Gateway.
5. the changing method of a terminal, described terminal is in a mobile communications network, described mobile communications network comprises WLAN (wireless local area network) IAD and the radio honeycomb Access Network of core net, WLAN (wireless local area network), the described core net of connection and described WLAN (wireless local area network), described core net comprises a packet data gateway, described packet data gateway is accessed to by described WLAN (wireless local area network) IAD when terminal is in described WLAN (wireless local area network), described terminal switches from described WLAN (wireless local area network) to described radio honeycomb Access Network, it is characterized in that, comprise the steps:
A) described packet data gateway is completing after the service channel between described radio honeycomb Access Network sets up, and sends the service channel between the release of WLAN (wireless local area network) IAD with described packet data gateway described in message notice;
B) described WLAN (wireless local area network) IAD determines the security association that whether will discharge between described WLAN (wireless local area network) IAD and described terminal according to the cell in described packet data gateway institute photos and sending messages or the configuration of self, if need release, then steps performed C, if do not needed release, then perform step D;
C) described WLAN (wireless local area network) IAD sends the internet key exchange protocol information request message comprising notification payload information to described terminal, described WLAN (wireless local area network) IAD after a message has been sent or after receiving response message that described terminal returns, deletes the security association with described terminal room;
D) described WLAN (wireless local area network) IAD periodically sends internet key exchange protocol information request message, to maintain security association each other to described terminal.
6. the changing method of terminal according to claim 5, is characterized in that, described steps A comprises further:
A11) wireless cellular access network access controller or Service Gateway initiate request for building link to described packet data gateway;
A12) described packet data gateway is set up and after link between described wireless cellular access network access controller or Service Gateway, return link is successfully established response, and sends link releasing request message to described WLAN (wireless local area network) IAD simultaneously;
A13), after described wireless cellular access network access controller or Service Gateway receive the link establishment success response that described packet data gateway returns, the message successfully setting up data channel is sent to described terminal.
7. the changing method of terminal according to claim 5, is characterized in that, described steps A comprises further:
A21) described wireless cellular access network access controller or Service Gateway initiate proxy-mobile IP binding update messages to described packet data gateway;
A22) described packet data gateway returns proxy-mobile IP binding response message to described wireless cellular access network access controller or Service Gateway, and initiates proxy-mobile IP binding revocation request message to described WLAN (wireless local area network) IAD simultaneously;
A23) proxy-mobile IP binding is recalled response message and is sent to described packet data gateway by described WLAN (wireless local area network) IAD.
8. the changing method of terminal according to claim 5, it is characterized in that, described step D comprises further: described terminal checks whether described security association exists, if exist, described terminal returns the internet key exchange protocol info response message not comprising load information; If do not exist, described terminal returns the internet key exchange protocol info response message comprising notification payload information, and instruction Security Parameter Index is invalid.
9. the changing method of terminal according to claim 5, it is characterized in that, described step D comprises further: if described WLAN (wireless local area network) IAD continuous several times does not receive the response message that described terminal returns, or have received the internet key exchange protocol info response message comprising notification payload information, the security association between described terminal should be deleted, and stop sending periodic request message to described terminal.
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752825A (en) * | 2012-07-19 | 2012-10-24 | 德明通讯(上海)有限公司 | Seamless switch fusion method for mobile terminal in long term evolution (LTE) network and wireless fidelity (Wi-Fi) hot spot network |
| CN103796266B (en) * | 2012-10-31 | 2017-11-24 | 中兴通讯股份有限公司 | A kind of method of network interface automatic seamless switching |
| CN104349415B (en) * | 2013-08-01 | 2018-01-30 | 中国移动通信集团公司 | The sending method and device of a kind of packet |
| CN104852896B (en) * | 2015-02-03 | 2017-09-05 | 四川通信科研规划设计有限责任公司 | A kind of Wi Fi radio nodes method of network entry and system |
| CN109548024B (en) * | 2015-05-20 | 2021-12-21 | 玉环看知信息科技有限公司 | Network security management equipment and method and mobile terminal |
| JP6522799B2 (en) * | 2015-06-24 | 2019-05-29 | ドイッチェ テレコム アーゲー | Method for discovering handover functionality of a mobile communication network, system for discovering handover functionality of a mobile communication network, user equipment, program and computer program product |
| CN106658505A (en) * | 2015-10-28 | 2017-05-10 | 中兴通讯股份有限公司 | Method and apparatus for adding terminal into network |
| CN108293183B (en) * | 2015-11-18 | 2021-06-01 | 上海诺基亚贝尔股份有限公司 | Handover between E-UTRAN and WLAN |
| CN108600550A (en) * | 2018-05-04 | 2018-09-28 | 武汉极意网络科技有限公司 | Data traffic application method based on Android and system |
| CN111385341A (en) * | 2018-12-29 | 2020-07-07 | 华为终端有限公司 | Communication method and related equipment |
| US11184160B2 (en) * | 2020-02-26 | 2021-11-23 | International Business Machines Corporation | Channel key loading in a computing environment |
| US11546137B2 (en) | 2020-02-26 | 2023-01-03 | International Business Machines Corporation | Generation of a request to initiate a secure data transfer in a computing environment |
| US11652616B2 (en) | 2020-02-26 | 2023-05-16 | International Business Machines Corporation | Initializing a local key manager for providing secure data transfer in a computing environment |
| US11310036B2 (en) | 2020-02-26 | 2022-04-19 | International Business Machines Corporation | Generation of a secure key exchange authentication request in a computing environment |
| US11405215B2 (en) | 2020-02-26 | 2022-08-02 | International Business Machines Corporation | Generation of a secure key exchange authentication response in a computing environment |
| US11502834B2 (en) | 2020-02-26 | 2022-11-15 | International Business Machines Corporation | Refreshing keys in a computing environment that provides secure data transfer |
| US11489821B2 (en) | 2020-02-26 | 2022-11-01 | International Business Machines Corporation | Processing a request to initiate a secure data transfer in a computing environment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337134A (en) * | 1999-01-08 | 2002-02-20 | 艾利森电话股份有限公司 | Reuse of security associations for improving hand-over performance |
| CN101064938A (en) * | 2006-04-28 | 2007-10-31 | 华为技术有限公司 | Method for applying MIP when the mobile terminal switched between 3GPP and non-3GPP access system |
| CN101128022A (en) * | 2006-08-18 | 2008-02-20 | 华为技术有限公司 | Terminal switching method and device and acquisition method and device for source access gateway address |
| CN101472308A (en) * | 2007-12-29 | 2009-07-01 | 华为技术有限公司 | Method and device for implementing switch between WiMAX system and 3GPP system |
| CN101494638A (en) * | 2008-01-25 | 2009-07-29 | 华为技术有限公司 | Method, system and device for fixing movable fusion FMC |
| CN101867987A (en) * | 2010-05-28 | 2010-10-20 | 上海顶竹通讯技术有限公司 | Network capable of switching terminal from 3GPP to WLAN and switching method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002357129A1 (en) * | 2001-12-19 | 2003-07-09 | Thomson Licensing S.A. | Method and apparatus for handing off a mobile terminal between a mobile network and a wireless lan |
| CN100499649C (en) * | 2004-09-15 | 2009-06-10 | 华为技术有限公司 | Method for realizing safety coalition backup and switching |
| US20070049274A1 (en) * | 2005-09-01 | 2007-03-01 | Eitan Yacobi | Hard handoff from a wireless local area network to a cellular telephone network |
| EP1890455A1 (en) * | 2006-08-18 | 2008-02-20 | Nokia Siemens Networks Gmbh & Co. Kg | Method and apparatus for handover to a WLAN connection involving a trigger for mobility at Packet Data Gateway (PDG) |
| CN101212461B (en) * | 2006-12-26 | 2011-12-07 | 华为技术有限公司 | Data transmission method and system and core network gateway during switching of heterogeneous IP network |
| CN101340708B (en) * | 2007-07-02 | 2011-12-21 | 华为技术有限公司 | Method, system and apparatus for network switching |
| CN101227494B (en) * | 2008-01-09 | 2013-06-12 | 中兴通讯股份有限公司 | Method for establishing Internet safety protocol safe alliance when accessing multi grouping data network |
| EP2362688B1 (en) * | 2010-02-23 | 2016-05-25 | Alcatel Lucent | Transport of multihoming service related information between user equipment and 3GPP evolved packet core |
-
2011
- 2011-12-19 CN CN201110425788.7A patent/CN102546154B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337134A (en) * | 1999-01-08 | 2002-02-20 | 艾利森电话股份有限公司 | Reuse of security associations for improving hand-over performance |
| CN101064938A (en) * | 2006-04-28 | 2007-10-31 | 华为技术有限公司 | Method for applying MIP when the mobile terminal switched between 3GPP and non-3GPP access system |
| CN101128022A (en) * | 2006-08-18 | 2008-02-20 | 华为技术有限公司 | Terminal switching method and device and acquisition method and device for source access gateway address |
| CN101472308A (en) * | 2007-12-29 | 2009-07-01 | 华为技术有限公司 | Method and device for implementing switch between WiMAX system and 3GPP system |
| CN101494638A (en) * | 2008-01-25 | 2009-07-29 | 华为技术有限公司 | Method, system and device for fixing movable fusion FMC |
| CN101867987A (en) * | 2010-05-28 | 2010-10-20 | 上海顶竹通讯技术有限公司 | Network capable of switching terminal from 3GPP to WLAN and switching method |
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