Location-based access control for wireless local area networks

Details Location-based access control for wireless local area networks Location-based access control for wireless local area networks

H - Electricity

04

L

H04L 29/06 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2489698

A wireless local area network (LAN), and a method of operating the same, prevents unauthorizedusers from accessing the wireless LAN. A signal strength of a station attempting to access the wirelessLAN is measured. If the signal strength is less than a predetermined threshold value, the systemconcludes that the station is outside of an authorized geographical area. Such a station attempting toestablish a connection is characterized as an unauthorized station, and access to the wireless LAN isdenied. The system may also periodically verify that authorized stations remain within the authorizedgeographical area. A station that has moved outside of the authorized geographical area can be notifiedor denied further access to the wireless LAN.

Un réseau local (LAN) et un procédé de fonctionnement dudit réseau empêchent les utilisateurs non autorisés d'accéder au LAN sans fil. Une intensité de signal d'une station tentant d'accéder au LAN sans fil est mesurée. SI l'intensité de signal est inférieure à une valeur de seuil prédéterminée, le système conclut que la station se trouve en dehors de la zone géographique autorisée. Cette station tentant d'établir une connexion est caractérisée comme non autorisée, et l'accès au LAN sans fil lui est refusé. Le système peut aussi vérifier périodiquement si les stations autorisées restent dans la zone géographique autorisée. La station que sort de la zone géographique autorisée peut être prévenue, ou l'accès ultérieur LAN sans fil peut lui être refusé.

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