One of the primary aspects of Personal security is through various user authentication techniques like biometrics, password, Smart Card, etc. We propose to design a personal security authentication system using the commonly available Bluetooth technology. The authentication is done on a fixed device, connected to the web and the identity is provided by a mobile device commonly carried by the person. Almost every cell phone has Bluetooth? transceiver for connecting to a wireless headset or to a host PC. Many new cars have Bluetooth to let you talk hands free while driving. Bluetooth has thus emerged as a pervasive technology. The aim of the paper is to describe a Personnel Security System using Bluetooth Low Energy (BLE) Tag which operates on a coin cell battery that will discover all the available low energy devices in the vicinity and keep track of when it entered and when it left the zone. In addition, this tag can also be used as a positioning device by measuring the Received Signal Strength (RSSI) value. The initial phase is aimed at designing the hardware for the tag. The second phase is initiated towards programming the tag. The final phase is targeted towards testing the designed hardware module and developing a Personnel Security System.
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