An authentication and tracking system for a cellular telephone

H - Electricity – 04 – Q

Patent

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Details

H04Q 7/22 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2294002

A system and method that uses an advanced positioning system in combination with a cellular communication network to improve the performance of the network is disclosed. The system is capable of receiving an identification number for a mobile unit as well as a location code. In order to determine if the mobile unit is a fraudulent user of the cellular communication network, the system compares the location code with a previously received location code. Since there are natural physical constraints on how quickly a mobile unit can move from one location to another, the system can thereby determine if there are two mobile units using the same identification number. If so, then one is likely a fraudulent user. In addition, the system is capable of assisting the mobile unit by providing the location code to a third party. This is especially beneficial for emergency dispatcher services since, due to the very nature of mobile units, the user of the mobile unit may not know his precise location.

Ce système ainsi que la méthode afférente font intervenir un système évolué de localisation associé à un réseau cellulaire de communications et ce, afin d'améliorer les performances du réseau. Ce système est capable de recevoir un numéro d'identification provenant d'un radiotéléphone ainsi qu'un indicatif d'emplacement. Le système compare, afin d'établir si le radiotéléphone utilise frauduleusement le réseau cellulaire de communications, l'indicatif d'emplacement à un indicatif d'emplacement reçu précédemment. Dans la mesure où il existe des contraintes physiques naturelles relatives au déplacement rapide d'un radiotéléphone d'un emplacement à un autre, le système est également capable de déterminer si deux radiotéléphones utilisent le même numéro d'identification. Dans ce cas, l'un des deux est vraisemblablement un fraudeur. Ce système est, de surcroît, capable de porter assistance à l'usager du radiotéléphone en fournissant l'indicatif d'emplacement à un troisième correspondant. Ceci se révèle des plus utile, notamment pour des services répartiteurs de secours, dans la mesure où de par la nature même des radiotéléphones, l'usager mobile peut ignorer l'endroit exact où il se trouve.

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