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Gateway selecting method of wireless network

A technology of wireless network and network, applied in the direction of radio/inductive link selection arrangement, wireless communication, selection device, etc.

Inactive Publication Date: 2008-03-12
ZTE CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0024] The technical problem to be solved by the present invention is to provide a gateway selection method for a wireless network, which solves the problem of roaming when the 3GPP evolved network is a home network and the 3GPP network before the evolved network is a visited network. The problem of selecting the gateway for network access

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0047] As shown in Figure 4, a gateway selection method for a wireless network is applied to a state where the 3GPP evolved network is a home network and the 3GPP network before the evolved network is a visited network, including the following steps,

[0048] Step 110, when the UE accesses through an untrusted and non-3GPP IP access network, the home 3GPP AAAServer authenticates the UE, and if the authentication is successful, execute step 120; otherwise, end the process;

[0049] The untrusted non-3GPP IP access network in the visited place performs access authentication or tunnel authentication on the visited UE through the 3GPP AAA Server (and HSS).

[0050] Step 120, the home 3GPP AAA Server determines the PDN GW selection function information parameters according to the subscription information of the UE, and at the same time determines wh...

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Abstract

A wireless network gateway selection method. If the 3GPP AAA Server performs authentication to the UE successfully, the local 3GPP AAA Server decides the selection function information parameter of the PDN GW and decides whether the UE is accessed into the 3GPP network through the visiting place PDG, and transmits the returned information to the visiting place 3GPP AAA Proxy; if the returned information doesn't contain the instruction parameter which doesn't allow the UE to be accessed to the 3GPP network through the visiting place PDG, the visiting place 3GPP AAA Proxy ignores the selection function information parameter and transfers the returned information to the visiting place PDG; finally the visiting place PDG authorizes the UE to be assessed into the network. The application of the invention can solve the problem that when the 3GPP evolution network is the local network, and when the 3GPP network before the evolution network is the roaming scene of the visiting place network, the UE is accessed into the gateway selection through non-credential non-3GPP IP access network.

Description

technical field [0001] The invention relates to a wireless communication network, in particular to a gateway selection method of a wireless network. Background technique [0002] With the sudden emergence of Wimax (World Interoperability for Microwave Access, the third-generation mobile communication system must improve its network performance and reduce network construction and operation in order to maintain its strong competitiveness in the field of mobile communication. cost. Therefore, the standardization working group of 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) is currently working on researching PS Core (Packet Switch Core, packet switching core network) and UTRAN (Universal Mobile Telecommunication System Radio Access Network, The evolution of the Global System for Mobile Communications Radio Access Network), the whole system is called EPS (Evolved Packet System, Evolved Packet Domain System). Among them, the research topic of PS...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/56H04W12/06H04W48/08H04W48/20H04W88/18
CPCH04W12/06H04W48/17H04W12/069
Inventor 周晓云宗在峰方敏
Owner ZTE CORP
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