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Method and system for establishing a connection via an access network

A technology for establishing connections and access networks, used in the field of establishing connections and systems via access networks

Inactive Publication Date: 2005-10-26
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, GPRS type service selection and activation is not possible via WLAN network, which constitutes a disadvantage of the proposed public or operator WLAN

Method used

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  • Method and system for establishing a connection via an access network
  • Method and system for establishing a connection via an access network
  • Method and system for establishing a connection via an access network

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Embodiment Construction

[0041] The preferred embodiment will now be described based on the network architecture as indicated in Figures 1 and 2, in which WLAN users are authenticated through EAP authentication to access the WLAN network and thus have access to cellular packet switched services.

[0042] Figure 1 shows a schematic block diagram of a network architecture comprising a WLAN 30 and a home network 100, such as a GPRS network or any other cellular packet switched network. A terminal device or WLAN UE 10 that is subscribed to a home network service and wishes to have access to the service, first passes service selection information indicating at least one APN parameter and an optional username and password via the WLAN by using authentication signaling such as an authorization request message. 30 to the authentication server 50 of the home network 100 (first step). Then, the authentication server 50 selects the WLAN gateway 60 installed in the home network 100, notifies the WLAN gateway 60 o...

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Abstract

The invention relates to a system and a method for establishing a connection via an access network (30) in communication with at least one user terminal and at least one backbone network (100) comprising at least user terminal authentication and authorization means (50 ) and at least one user data processing node (60, 62), wherein the connection of the user terminal (10) to the access network (30) is authenticated, and at least one user data processing node is selected based on the selection information conveyed in the authentication signaling One of the processing nodes (60, 62). Then, the tunnel parameter information of the selected user data processing node is notified to the access network (30), and a tunnel is established between the access network (30) and the selected user data processing node (60) based on the tunnel parameter information connect. By establishing a tunnel connection based on network signaling related to the two endpoints of the tunnel, a tunnel connection can be established between two network elements that initially do not know each other. In this way, cellular packet switched services can be accessed on access networks that do not provide context activation procedures or corresponding control plane signaling functions.

Description

technical field [0001] The present invention relates to a method and system for establishing a connection via an access network, such as a wireless local area network (WLAN), which communicates with at least one user terminal and at least one backbone network, such as a general packet radio service (GPRS ) network or Universal Mobile Telecommunications System (UMTS) network, and at least include user terminal authentication and authorization devices and at least one user data processing node. Background technique [0002] The market for wireless communications has grown tremendously in recent years. Wireless technology has now reached or is able to reach almost every corner of the globe. With the enormous success of wireless telephony and messaging services, it is hardly surprising that wireless communications are beginning to be used in personal and business computing. No longer limited by wired network facilities, people will be able to access and share information on a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/02H04L12/28H04L12/56H04L29/06H04W84/18
CPCH04L12/2856H04L63/162H04L63/029H04L63/08H04W84/18H04W12/0431
Inventor 凯莉·阿玛瓦阿拉塞伯·维斯特里宁
Owner NOKIA TECH OY
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