Article: Security Of GSM System
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Security Of GSM System
Introduction
Every day millions of people use cellular phones over radio links. With the increasing features, the mobile phone is gradually becoming a handheld computer. In the early 1980?s, when most of the mobile telephone system was analog, the inefficiency in managing the growing demands in a cost-effective manner led to the opening of the door for digital technology (Huynh & Nguyen, 2003). According to Margrave (n.d), ?With the older analog-based cellular telephone systems such as the Advanced Mobile Phone System (AMPS) and the Total Access Communication System (TACS)?, cellular fraud is extensive. It?s very simple for a radio hobbyist to tune in and hear cellular telephone conversations since without encryption, the voice and user data of the subscriber is sent to the ...
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