Wednesday, 27 November 2013

A Zigbee Sms Alert System with Trust Mechanism in Wireless Sensor Networks


In WSN, individual sensors have limited sensing region, processing power, and energy, networking a large number of sensors gives rise to a robust, reliable, and accurate sensor network covering a wider area. Wireless Sensor networks (WSN) are highly distributed networks of small, lightweight wireless nodes, deployed in large numbers to monitor the environment or system by measurement of physical parameters such as temperature, pressure or relative humidity. Building sensors has been made possible by the recent advances in micro – electro mechanical system (MEMS) technology. In this paper we propose a novel architecture for alarm generation in wireless sensor zone with the use of trust mechanism. Trust between the sensor nodes is an important issue in wireless sensor network. Trust between the sensor nodes provides secure, reliable path for data packets and accurate alarm generation.

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