On perimeter coverage in wireless sensor networks with minimum cost
by Ka-Shun Hung, King-Shan Lui
International Journal of Sensor Networks (IJSNET), Vol. 9, No. 2, 2011

Abstract: One of the major applications of sensor networks is tracking and surveillance. Very often, a single sensor is sufficient to monitor a single target. However, when the object is very large, several sensors have to work together to monitor the object continuously. In this paper, we study how to identify a set of sensors that can cover the perimeter of a large target with the minimum cost. We develop a novel distributed algorithm that requires fewer messages than existing mechanisms. Our algorithm can be extended to solve the problem when the sensor range is adjustable. We provide a formal proof of correctness and convergence time analysis of our algorithm. We further demonstrate the performance through extensive simulations.

Online publication date: Tue, 01-Mar-2011

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