System and method of handling ip layer mobility in a...

H - Electricity – 04 – W

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H04W 36/02 (2009.01)

Patent

CA 2542015

A system and method for facilitating the efficient operation of a mobile station as it transfers from communicating via one wireless data network to another. A session control node is coupled to the mobile node in such a manner that it selectively buffers data being transmitted to the mobile node, at least while the network transfer is being executed. When the mobile node had dropped its communication session with a first wireless network and established a new communication session with a second wireless network, the buffered data is read out and transmitted to the mobile node. The session control node may be coupled with a home network associated with the mobile node or a control node may be associated with the mobile node on an ad hoc basis.

La présente invention concerne un système et un procédé permettant de faciliter le fonctionnement efficace d'une station mobile lors des transferts de communication d'un réseau de données sans fil à un autre. Un noeud de commande de session est couplé au noeud mobile de telle sorte qu'il peut mettre en mémoire tampon des données transmises au noeud mobile, au moins pendant l'exécution du transfert réseau. Lorsque le noeud mobile termine sa session de communication avec un premier réseau sans fil et qu'il a établi une nouvelle session de communication avec un second réseau sans fil, les données mises en mémoire tampon sont lues puis transmises au noeud mobile. Le noeud de commande de session peut être couplé à un réseau domestique associé au noeud mobile, ou encore, un noeud de commande peut être associé au noeud mobile de manière ponctuelle.

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