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Energy Modeling For the Cluster-based Sensor Networks  

Choi, Jin-Chul (Dept. of Electronics Engineering, Ajou University)
Lee, Chae-Woo (Dept. of Electronics Engineering, Ajou University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.44, no.3, 2007 , pp. 14-22 More about this Journal
Abstract
Wireless sensor networks are composed of numerous sensor nodes and exchange or recharging of the battery is impossible after deployment. Thus, sonsor nodes must be very energy-efficient. As neighboring sensor nodes generally have the data of similar information, duplicate transmission of similar information is usual. To prevent energy wastes by duplicate transmissions, it is advantageous to organize sensors into clusters. The performance of clustering scheme is influenced by the cluster-head election method and the size or the number of clusters. Thus, we should optimize these factors to maximize the energy efficiency of the clustering scheme. In this paper, we propose a new energy consumption model for LEACH which is a well-known clustering protocol and determine the optimal number of clusters based on our model. Our model has accuracy over 80% compared with the simulation and is considerably superior to the existing model of LEACH.
Keywords
Wireless Sensor Network; Clustering Algorithm; Energy Model; Campbell Theorem; LEACH;
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Times Cited By KSCI : 1  (Citation Analysis)
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