Object-Tracking in Wireless Sensor Networks with A novel Energy Efficient Algorithm

In this paper we propose and simulate an energy efficient protocol for object-tracking over Wireless Sensor Networks. The proposed algorithm aims to use virtual clustering among the observation region to initiate duty-cycle across the border nodes and the nodes in the inside region. The main idea is to keep the outer nodes active and the interior nodes sleep for energy saving until an object is detected by the outer nodes. Castalia 3.2 wireless sensor network simulator is used to simulate the proposed protocol. Results indicate that an improvement of 42% is achieved in terms of energy consumption. Furthermore, it is demonstrated that S-MAC protocol is a better choice in high load traffic applications in terms of energy consumption.

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