Mobile communication method

Details Mobile communication method Mobile communication method

H - Electricity

04

W

H04W 12/04 (2009.01) H04W 36/06 (2009.01) H04W 36/08 (2009.01) H04L 9/08 (2006.01)

Patent

CA 2725476

A mobile communication method according to the present invention communicates between a mobile station(UE) and a radio base station (eNB) by using a certain key. The method includes the step of: (A) acquiring, at a radio base station managing a re-establishment target cell for the mobile station (UE) , a first key (KeNB[n+l]) for generating a certain key from a switching center (MME) in a procedure for re-establishment of the mobile station (UE), the certain key to be used for communication between the mobile station (UE) and a next re-establishment target cell for the mobile station (UE).

Cette invention consiste en un procédé de communication mobile qui, grâce à une clé déterminée, permet d'établir une communication entre une station mobile UE et une station de base sans fil eNB. Dans la procédure de reconnexion de la station mobile UE, une station de base radio, qui contrôle la cellule destinataire de reconnexion du terminal mobile UE, acquiert, à partir d'un centre de commutation MME, une première clé KeNB[n+1] pour générer la clé déterminée prévue pour la communication entre le terminal mobile UE et la prochaine cellule destinataire de reconnexion dudit terminal mobile UE.

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