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    • 62. 发明申请
    • A NETWORK ARCHITECTURE AND A METHOD RELATING TO ACCESS OF USER STATIONS
    • 网络架构和与用户站访问相关的方法
    • WO2007038947A1
    • 2007-04-12
    • PCT/EP2005/010397
    • 2005-09-27
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)RYDNELL, GunnarROMMER, StefanBOMAN, Krister
    • RYDNELL, GunnarROMMER, StefanBOMAN, Krister
    • H04L29/06
    • H04W92/02H04L69/18H04W8/00H04W8/085H04W36/0011H04W36/0033H04W36/14H04W80/04H04W88/16
    • The present invention relates to a network architecture comprising at least one core network (100), each core network comprising a number of packet data gateway access supporting nodes GASN:s (10,20,30) handling mobile user station (5) access over an access network (200,201,202), said core network(s) further providing access to one or more global packet data communication networks (IN), and one or more nodes (15,16) holding subscriber or mobile user station related information. Said GASN:s (10,20,30) are adapted to assign an IP-address to accessing mobile user stations (5), and each of said GASN:s (10,20,30) has at least one access type dependent interface (1 1 1 2 , 1 3 ) to at least one type of access network (200, 201, 202) . The GASN:s (10,20,30) are further adapted to support intercommunication over a mobility protocol interface ( 2 1, 2 2). to, at reception of a request for change of access type from a mobile user station (5), establish information about the previous GASN of the mobile user station, and to, using the established information, update an established communication context concerning the mobile user station (5) or create a new communication context concerning the mobile user station (5) such that mobility between different access network types (200,201,202) is enabled for a mobile user station (5) without interruption of an ongoing session.
    • 本发明涉及包括至少一个核心网络(100)的网络架构,每个核心网络包括处理移动用户站(5)访问的多个分组数据网关接入支持节点GASN(s)(10,20,30) 接入网络(200,201,202),所述核心网络还提供对一个或多个全局分组数据通信网络(IN)的接入以及保存用户或移动用户站相关信息的一个或多个节点(15,16)。 所述GASN:(10,20,30)适于为接入移动用户站(5)分配IP地址,并且所述GASN:s(10,20,30)中的每一个具有至少一个接入类型依赖接口 (1,201,202)到至少一种类型的接入网络(200,201,202)。 GASN:(10,20,30)进一步适于支持通过移动性协议接口(<2> 2 2> 2)的相互通信。