CN101969643A - Combined wireless network crosslinking method - Google Patents
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- CN101969643A CN101969643A CN201010288198XA CN201010288198A CN101969643A CN 101969643 A CN101969643 A CN 101969643A CN 201010288198X A CN201010288198X A CN 201010288198XA CN 201010288198 A CN201010288198 A CN 201010288198A CN 101969643 A CN101969643 A CN 101969643A
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Abstract
The invention discloses a combined wireless network crosslinking method which is used for network termination equipment (WLAN UE) to connect the network. In the method, the network termination equipment firstly scans the service set identifier (SSID) of an available wireless local area network (WLAN) in an ambient environment; a user selects an optimal WLAN; the network termination equipment is accessed by the WLAN and applies for carrying out mobile network authentication; after authentication is qualified, a WLAN adherent state begins; then, the user gives out an Internet service access request; the network termination equipment sends the Internet service access request to a packet data gateway (PDG), and the PDG decides whether the WLAN is permitted to access the Internet by a mobile packet domain according to the mobile network load situation, and feeds a result back to the network termination equipment; and the network termination equipment automatically initiates a service access request again so as to access the Internet. The access process of the whole network is sealed and intelligent for users and does not to be perceived.
Description
Technical field
The present invention relates to a kind of technology that network enabled terminal equipment (WLAN UE) connects network that is used for, relate in particular to a kind of be used to support WLAN (WLAN) and the mutual technology of mobile data network.
Background technology
Along with development of Communication Technique, people are more and more to the use of network-termination device, and network-termination device connects the technology of network also to be upgraded day by day, and its development speed is constantly accelerated.At present, it is commonplace that to be used for technology that network-termination device connects network be that (3rd Generation Partnership Project, what 3GPP) propose passes through WLAN (WLAN) can access to mobile grouping field after mobile network's authentication technology to third generation partner program.In this technology, 3GPP has defined two kinds of flow processs: flow process one is that the user inserts by WLAN, after mobile network's authentication, can directly access to the Internet; Flow process two is that the user inserts by WLAN, after mobile network's authentication, accesses to mobile grouping field, and through mobile grouping field access operator network, enterprise network or the Internet.
These two kinds of flow processs are adopted to the technology of current main-stream, so the technical step when the user uses network-termination device to connect network is essentially:
1. the user carries out the terminal data selection of configuration and adopts one of above-mentioned two kinds of flow processs.
2. network-termination device scans the Service Identifier (SSID) of available WLAN, and therefrom selects optimum WLAN by the user.
3. network-termination device inserts by WLAN, and mobile network's authentication is carried out in application, after authentication is passed through, enters the WLAN attached state.
4. the user carries out the Internet service access request, is configured to flow process one as terminal data, then by the direct access internet of WLAN; Be configured to flow process two as terminal data, then by WLAN, (PDG) sets up passage to packet data gateway, enters the WLAN connected state, and the user is through WLAN and mobile grouping field access internet.
5. the user disposes as revising terminal data in the access service process, and the passage that network-termination device is set up to packet data gateway (PDG) will be disconnected, and selects to rebulid according to data configuration.
Yet,, introduce WLAN and insert mobile grouping field from operator's angle, main purpose is exactly to utilize WLAN effectively replenishing as the mobile network, alleviate mobile network's pressure, fully equilibrium utilizes the resource of mobile network and WLAN, and better network service is provided.Though 3GPP has defined two kinds of flow processs that religion is perfect, allow the user to insert, after mobile network's authentication, can directly insert the Internet or through mobile grouping field access carrier network, enterprise network or the Internet through WLAN.Two kinds of flow processs all allow external networks such as user capture the Internet, but 3GPP does not clearly propose this employ flow process under what scene, and how this selects to use when two kinds of flow processs all can be used also becomes problem.The user can only carry out network selecting manually on the configuration effort of network-termination device, and then experiences by artificial that to select more excellent network be that oneself is served.
Summary of the invention
At 3GPP in the prior art selection of two kinds of method flows is suitable for to make and does not offer some clarification on, and have the defective of loaded down with trivial details property operation, the invention provides a kind of combined type wireless network cross-linking method, to solve above-mentioned defective of the prior art in user level.
Technical problem solved by the invention can realize by the following technical solutions:
Adopt this combined type wireless network cross-linking method, a plurality of network-termination devices can be online to the Internet, the combined type wireless network comprises a plurality of WLAN, at least one mobile communications network, Packet Data Network
Close and the 3GPP authentication and authorization charging server, each WLAN has the Service Identifier corresponding with it and a plurality of wireless personal-area network, and mobile communications network includes a plurality of mobile grouping field networks, specifically comprises the following step:
(1) by the Service Identifier of WLAN available in network-termination device scanning and the identification environment;
(2) carry out optimization computation by network-termination device, select wherein optimum WLAN by the user again;
(3) by the network-termination device automatically connect to through the WLAN of its optimum of picking out;
(4) propose tunnel by WLAN to packet data gateway by network-termination device and set up request;
(5) packet data gateway is received after the tunnel foundation request, submits to an authentication request to the 3GPP authentication and authorization charging server;
(6) the 3GPP authentication and authorization charging server is made out Authentication Response and is sent back to packet data gateway according to the network load situation, and Authentication Response system is selected from one of following three kinds of response modes:
Response modes (a): low and network load mobile communications network is low when the network load of the Internet, allow network-termination device to be online to the Internet by this WLAN and mobile communications network;
Response modes (b): when the low but network load height of mobile communications network of the network load of the Internet, allow network-termination device directly by wireless LAN connection to the Internet;
Response modes (c): the network load height when the Internet, the refusal network-termination device is online to the Internet;
(7) packet data gateway receives after the Authentication Response, makes the tunnel and sets up response, and the tunnel is set up response system and is selected from one of following three kinds of tunnel establishment modes:
Tunnel establishment mode (a): if Authentication Response is response modes (a), then set up a tunnel that is communicated with WLAN and mobile communications network, and distribute a mobile grouping field network of mobile communications network to give the tunnel, make this network-termination device be online to the Internet by the tunnel;
Tunnel establishment mode (b): if Authentication Response is response modes (b), then do not allow to set up the tunnel that is communicated with WLAN (wireless local area network) and mobile communications network, but allow network-termination device to be online to the Internet by WLAN;
Tunnel establishment mode (c):, then do not allow to set up the tunnel that is communicated with wireless network and mobile communications network, and do not allow network-termination device to be online to the Internet by WLAN (wireless local area network) if Authentication Response is response modes (c).
Because key technology of the present invention is to use network-termination device and the Internet to carry out in the cross-linking process the user, can judge the load of mobile communications network and the Internet intelligently, be connected thereby carry out the tunnel with the Internet by the WLAN after preferred.When the user carries out the Internet service access request, network-termination device is sent to packet data gateway with the Internet service access request, whether packet data gateway allows wlan network according to mobile network's load condition decision, and (mobile communications network is loaded when high through the mobile grouping field access internet, can be directly through the WLAN access internet), and the result fed back to network-termination device, network-termination device is initiated service request automatically again, thus access internet.
So whole access to netwoks process is that seal, intelligent for the user, and consume when low, need not the user adopt other action means, saved manually operated time cost, need not under the situation of perception, be online to the Internet smoothly and carry out Operational Visit.
Description of drawings
The reader understands various aspects of the present invention with will be more readily apparent from after the reference accompanying drawing has been read the specific embodiment of the present invention, wherein:
Fig. 1 is the embodiment flow chart of the method for the invention;
Fig. 2 is the detailed Signalling exchange flow chart of step operation 3 among the embodiment of the method for the invention.
Embodiment
With reference to the accompanying drawings, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the embodiment flow chart of the method for the invention.According to step 1, network-termination device begins surrounding environment is scanned and recognize the Service Identifier (SSID) of a plurality of WLAN (WLAN) to filter out available WLAN.
According to step 2, network-termination device carries out optimization computation to the available WLAN that it searches, and selects wherein optimum WLAN to help the user.Wherein, optimization computation is to serve as preferential with the powerhouse (or the wideest person of bandwidth) of the signal of WLAN.
According to step 3, network-termination device will further pass through WLAN node (WLAN AN) automatically connect to this WLAN after the user picks out optimum WLAN.
According to step 4, after network-termination device inserted by WLAN, beginning was carried out mobile network's authentication to the mobile communications network application, and network-termination device proposes the tunnel by this WLAN to packet data gateway and sets up request.
According to step 5, packet data gateway is received after the tunnel foundation request, to submit to an authentication request to the 3GPP authentication and authorization charging server, so network-termination device is sent to the 3GPP authentication and authorization charging server with the Internet service access request via PDG.
According to step 6, the 3GPP authentication and authorization charging server is received after the authentication request that packet data gateway sends, according to the network load situation, will be made one of following three kinds of Authentication Response patterns:
When a. the network load of the low and mobile communications network of the network load of the Internet is low, then allow network-termination device to be online to the Internet by this WLAN and mobile communications network;
When b. low but network load mobile communications network of the network load of the Internet is high, then allow network-termination device directly by wireless LAN connection to the Internet;
When c. the network load of the Internet is high, then refuses network-termination device and be online to the Internet.
No matter which kind of situation network load is, the 3GPP authentication and authorization charging server all can feed back to packet data gateway with its Authentication Response a that makes (b or c).
According to step 7, packet data gateway receives after the Authentication Response that feeds back to, and make the tunnel and set up response, and one of following three kinds of tunnel establishment modes of response employing is set up in the tunnel:
1. if Authentication Response is response modes a, then set up a tunnel that is communicated with this WLAN and this mobile communications network, and distribute a mobile grouping field network of mobile communications network to give the tunnel, make this network-termination device be online to the Internet by this tunnel;
2. if Authentication Response is response modes b, does not then allow to set up the tunnel that is communicated with this WLAN and this mobile communications network, but allow this network-termination device to be online to the Internet by this WLAN;
3. if Authentication Response is response modes c, does not then allow to set up the tunnel that is communicated with this WLAN and this mobile communications network, and do not allow this network-termination device to be online to the Internet by this WLAN.
Fig. 2 is the detailed Signalling exchange flow chart of step operation 3 among the embodiment of the method for the invention.As shown in Figure 2, network-termination device (WLAN UE) proposes the tunnel by WLAN to packet data gateway (PDG) and sets up request, packet data gateway (PDG) is received after the tunnel foundation request, submit to an authentication request to 3GPP authentication and authorization charging server (3GPP AAA Server), by the tunnel being set up the expansion of Authentication Response signaling, provide service network (mobile communications network or WLAN) based on the user, again by the 3GPP authentication and authorization charging server according to the network load situation, make Authentication Response and send back to packet data gateway (PDG), and Authentication Response adopts one of above-mentioned three kinds of response modes.
When the Authentication Response of making according to the network load situation when the 3GPP authentication and authorization charging server was response modes a, promptly to set up the pattern of response be 1 o'clock in the tunnel, and the mobile grouping field network on-line of network-termination device by mobile communications network is to the Internet.
When the Authentication Response of making according to the network load situation when the 3GPP authentication and authorization charging server is response modes b, the pattern that is tunnel foundation response is 2 o'clock, by the tunnel being set up the expansion of response signaling, whether allow the direct access internet of WLAN by packet data gateway (PDG) to the network-termination device feedback, network-termination device is set up response signaling receiving the tunnel that feeds back to via packet data gateway (PDG), and according to the signaling content, further the wireless personal-area network's in the WLAN (WPAN) parameter is made amendment as required, optionally initiate the Operational Visit request automatically again, be online to the Internet until making network-termination device pass through wireless personal-area network (WPAN).
When the Authentication Response of making according to the network load situation when the 3GPP authentication and authorization charging server is response modes c, the pattern that is tunnel foundation response is 3 o'clock, network-termination device is initiated the Operational Visit request automatically again, reactivate above-mentioned flow process, until making the network-termination device access internet.
The above only is preferred embodiment of the present invention, is not in order to limit the present patent application patent right; Simultaneously above description should understand for those of ordinary skills and implement, so other does not break away from the equivalence of being finished under the disclosed spirit and change or modify, and all should be contained in the scope of following claims.
Claims (4)
1. combined type wireless network cross-linking method, in order to a plurality of network-termination devices are online to the Internet, this combined type wireless network comprises a plurality of WLAN, at least one mobile communications network, packet data gateway and third generation partner program authentication and authorization charging server, each WLAN has the Service Identifier corresponding with it and a plurality of wireless personal-area network, this mobile communications network includes a plurality of mobile grouping field networks, and being characterised in that of this combined type wireless network cross-linking method comprises the following step:
(1) by the Service Identifier of WLAN available in network-termination device scanning and the identification environment;
(2) carry out optimization computation by network-termination device, select wherein optimum WLAN by the user again;
(3) by the network-termination device automatically connect to this optimum WLAN;
(4) propose tunnel by this WLAN to packet data gateway by network-termination device and set up request;
(5) this packet data gateway is received after the tunnel foundation request, submits to an authentication request to the 3GPP authentication and authorization charging server;
(6) this 3GPP authentication and authorization charging server is made Authentication Response and is sent back to packet data gateway according to the network load situation, and this Authentication Response system is selected from one of following three kinds of response modes:
Response modes (a): low and network load mobile communications network is low when the network load of the Internet, allow this network-termination device to be online to the Internet by this WLAN and mobile communications network;
Response modes (b): when the low but network load height of mobile communications network of the network load of the Internet, allow this network-termination device directly by wireless LAN connection to the Internet; And response modes (c): the network load height when the Internet, refuse this network-termination device and be online to the Internet;
(7) this packet data gateway receives after the Authentication Response, makes the tunnel and sets up response, and this tunnel is set up response system and is selected from one of following three kinds of tunnel establishment modes:
Tunnel establishment mode (a): if this Authentication Response is response modes (a), then set up a tunnel that is communicated with this WLAN and this mobile communications network, and distribute a mobile grouping field network of mobile communications network to give the tunnel, make this network-termination device be online to the Internet by this tunnel;
Tunnel establishment mode (b):, then do not allow to set up the tunnel that is communicated with this WLAN (wireless local area network) and this mobile communications network, but allow this network-termination device to be online to the Internet by this WLAN if this Authentication Response is response modes (b); And
Tunnel establishment mode (c):, then do not allow to set up the tunnel that is communicated with this WLAN and this mobile communications network, and do not allow this network-termination device to be online to the Internet by this WLAN (wireless local area network) if this Authentication Response is response modes (c).
2. combined type wireless network cross-linking method according to claim 1, wherein in this step (7), when this Authentication Response is response modes (b), then further revise the parameter of the wireless personal-area network in the WLAN, make this network-termination device be online to the Internet by this wireless personal-area network.
3. combined type wireless network cross-linking method according to claim 1, wherein the optimization computing in this step (2) is for excellent with the powerhouse of the signal of WLAN.
4. combined type wireless network cross-linking method according to claim 1, wherein the optimization computing in this step (2) is that the wideest person of bandwidth with WLAN is for excellent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010288198.XA CN101969643B (en) | 2010-09-21 | 2010-09-21 | Combined wireless network crosslinking method |
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| CN201010288198.XA CN101969643B (en) | 2010-09-21 | 2010-09-21 | Combined wireless network crosslinking method |
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| CN101969643A true CN101969643A (en) | 2011-02-09 |
| CN101969643B CN101969643B (en) | 2014-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811042A (en) * | 2017-04-26 | 2018-11-13 | 中国移动通信有限公司研究院 | A kind of Wireless LAN selection method, device and terminal |
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| CN108811042B (en) * | 2017-04-26 | 2021-01-15 | 中国移动通信有限公司研究院 | Wireless local area network selection method, device and terminal |
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| CN101969643B (en) | 2014-04-16 |
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