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A Node Positioning Method for Minimizing the Node Sensing Energy in Sensor Networks with Adjustable Sensing Ranges  

Seong, Ki-Taek (동명대학교)
Sung, Kil-Young (경상대학교)
Woo, Chong-Ho (부경대학교)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.10, no.11, 2006 , pp. 2099-2106 More about this Journal
Abstract
In this paper, we addressed the node positioning method for minimizing the sensing energy consumption in wireless sensor networks with adjustable sensing ranges. It is necessary for minimizing the sensing energy consumption to minimize the overlapped sensing area by neighboring nodes. To find a optimal node position, we derived a optimal equations by using the overlapped areas, each node's radiuses and expended angles of opposite neighboring nodes. Based on it, we devised a new node positioning method, called as ASRC(Adjustable Sensing Ranges Control). Unlike existing condition based model, our proposed method was derived from mathematical formula, and we confirmed its validity of sensing energy consumption through simulations.
Keywords
sensor networks; adjustable sensing ranges; sensing energy; node positioning;
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