Abstract:
Wireless Integrated Network Sensors(WINS) provide a new monitoring and control capability for transportation, manufacturing, health care, environmental monitoring and safety and security. They combine sensing, signal processing, decision capability, and wireless networking capability in a compact, low power system. Using the concept of WINS we can easily identify a stranger or some terrorists entering the border. The border area is divided into number of nodes. Each node is in contact with each other and with the main node. The noise produced by the foot-steps of the stranger is collected using the sensor. This sensed signal is then converted into power spectral density and the compared with reference value of our convenience. Accordingly the compared value is processed using a microprocessor, which sends appropriate signals to the main node. Thus the stranger is identified at the main node. A series of interface, signal processing, and communication systems have been implemented in micro power CMOS circuits.
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