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    • 23. 发明申请
    • Roaming Gateway
    • 漫游网关
    • US20080267199A1
    • 2008-10-30
    • US11884002
    • 2006-02-14
    • Ian SmithAidan Dillon
    • Ian SmithAidan Dillon
    • H04L12/66
    • H04W88/16H04W8/02H04W8/18H04W92/02
    • A gateway (1) resides in an IP-based network. It acts as a controlling or home HLR for a mobile device roaming in this network, emulating an MSC or VLR to the home network HLR. Thus, as far as the home network HLR is aware, the subscriber is roaming in a foreign network of equivalent type of technology. Meanwhile, the gateway of the invention manages a subscriber profile and authentication as if the visited network were the home network. In fact, the gateway in combination with the home network HLR acts as an IMS-standard HSS. The gateway (1) enables wireless carriers to use existing legacy network infrastructure to provide a smooth evolution to the next generation network architecture, and it supports voice and data inter-working between existing 2/2.5G networks and next-generation IP based networks. For inter-standard roaming, the gateway 1 extends the existing roaming footprint of an ANSI-41 subscriber roaming in GSM foreign mode. In GSM foreign mode, the ANSI-41 subscriber may roam onto alternative access networks using a sponsor GSM IMSI.
    • 网关(1)驻留在基于IP的网络中。 它作为在该网络中漫游的移动设备的控制或归属HLR,仿真到家庭网络HLR的MSC或VLR。 因此,就家庭网络HLR而言,用户正在等同类型的技术的外部网络中漫游。 同时,本发明的网关管理用户简档和认证,就像访问网络是归属网络一样。 实际上,与家庭网络HLR相结合的网关作为IMS标准的HSS。 网关(1)使得无线运营商能够使用现有的传统网络基础设施来向下一代网络架构提供平滑演进,并支持现有的2 / 2.5G网络与下一代基于IP的网络之间的语音和数据互通。 对于标准间漫游,网关1扩展了以GSM外来模式漫游的ANSI-41用户的现有漫游覆盖区。 在GSM外部模式下,ANSI-41用户可以使用赞助商GSM IMSI漫游到替代接入网络。