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11. 发明授权

US08036655B2 Clientless mobile subscribers with seamless roaming over scalable wide area wireless networks 有权
标题翻译：无客户端移动用户通过可扩展的广域无线网络进行无缝漫游
公开(公告)号：US08036655B2
公开(公告)日：2011-10-11
申请号：US12785151
申请日：2010-05-21
申请人： Kris Ng , Tricci So , Yusupha Touray , Donald Wade , Hamid Mahmood , Fayaz Kadri
发明人： Kris Ng , Tricci So , Yusupha Touray , Donald Wade , Hamid Mahmood , Fayaz Kadri
IPC分类号： H04W4/00
CPC分类号： H04W92/24 , H04W4/12 , H04W36/18 , H04W64/00 , H04W84/12 , H04W88/16
摘要： System and method for seamless roaming over scalable wide area Wireless LAN networks (WAWLAN) with clientless mobile subscribers. A preferred embodiment comprises a wireless gateway (WG) coupled to one or more access points in a wireless network to form a wireless cluster (WC), a network access gateway (NAG) coupled to a wired network, and a switch coupled to the WG and the NAG. Each wireless cluster is a Wireless LAN Network (WLAN) with homogenous or heterogeneous network architecture. The WG detects mobile nodes in a wireless cluster and tracks mobile node location in the wireless cluster. The NAG is an anchor point for mobile nodes in the WAWLAN and maintains a fixed source of information about each mobile node regardless of their mobility. The switch provides connectivity between the NAG and the WG. Seamless roaming across Wireless LAN network boundary by mobile subscribers without requiring special mobility enabling client software.
摘要翻译：通过可扩展广域无线局域网（WAWLAN）与无客户端移动用户进行无缝漫游的系统和方法。优选实施例包括耦合到无线网络中的一个或多个接入点的无线网关（WG），以形成无线集群（WC），耦合到有线网络的网络接入网关（NAG）以及耦合到WG的交换机和NAG。每个无线集群是具有同质或异构网络架构的无线局域网（WLAN）。 WG检测无线群集中的移动节点，并跟踪无线群集中的移动节点位置。 NAG是WAWLAN中移动节点的定位点，并且维护关于每个移动节点的固定信息源，而不管其移动性如何。该交换机提供NAG和WG之间的连接。通过移动用户在无线LAN网络边界上无缝漫游，无需特殊的移动性，实现客户端软件。

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