Dynamic temporary mac address generation in wireless networks

H - Electricity – 04 – W

Patent

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Details

H04W 8/26 (2009.01) H04W 8/08 (2009.01) H04W 12/02 (2009.01)

Patent

CA 2661050

Unique temporary MAC addresses (Pig. 2, 203) are calculated by mobile devices connected to wireless networks, using access point advertising information (201) in combination with the permanent MAC address of the mobile device (202). The mobile devices use a hash function to construct a bit sequence from which a temporary MAC address can be extracted. The MAC address is unique over the entire region in which the mobile device can operate, without necessity of any coordination or negotiation between various access points of the region.

L'invention concerne des adresses MAC temporaires uniques (Fig. 2, 203) qui sont calculées par des appareils mobiles connectés à des réseaux sans fil, en utilisant un point d'accès annonçant des informations (201) en combinaison avec l'adresse MAC permanente de l'appareil mobile (202). Les appareils mobiles utilisent une fonction de hachage pour construire une séquence de bit à partir de laquelle une adresse MAC temporaire peut être extraite. L'adresse MAC est unique sur toute la région dans laquelle l'appareil mobile peut fonctionner, sans qu'il soit nécessaire d'effectuer une coordination ou négociation entre les différents points d'accès de la région.

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