System and method for optimizing authentication procedure...

Details System and method for optimizing authentication procedure... System and method for optimizing authentication procedure...

H - Electricity

04

L

H04L 9/32 (2006.01) H04B 7/26 (2006.01) H04L 12/28 (2006.01) H04L 12/66 (2006.01)

Patent

CA 2642822

Disclosed is a method and system of deriving new keys for accessing a new system. The method enables an optimized authentication procedure during handover form an existing system to a new system by using the existing system access keys. The user equipment that is accessing the new system receives a temporary ID during handover preparation which enables the user equipment to perform a fast re-authentication. The method uses existing system access keys to derive system access keys for the new network.

L'invention concerne un procédé et un système d'extraction de nouveaux codes permettant d'accéder à un nouveau système. Le procédé permet la mise en oeuvre d'une procédure d'authentification optimisée au cours du transfert d'un système existant à un nouveau système grâce aux codes d'accès du système existant. L'équipement utilisateur qui accède au nouveau système reçoit, pendant la préparation du transfert, une ID temporaire qui lui permet d'effectuer une ré-authentification rapide. Le procédé de l'invention utilise des codes d'accès du système existant pour extraire des codes d'accès du système pour le nouveau réseau.

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