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Neighbor Node Discovery and Load Balancing Schemes for Energy-Efficient Clustering in Wireless Sensor Networks  

Choi, Ji-Young (고려대학교 전파공학과 무선정보통신시스템 연구실)
Kang, Chung-Gu (고려대학교 전파공학과 무선정보통신시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.11A, 2006 , pp. 1147-1158 More about this Journal
Abstract
Clustering algorithm is an essential element to implement a hierarchical routing protocol, especially for a large-scale wireless sensor network. In this paper, we propose a new type of energy-efficient clustering algorithm, which maximizes the physical distance between cluster head and gateway by a neighbor node discovery mechanism. Furthermore, a slave/master patching scheme is introduced as a useful means of further improving the energy-efficiency. It has been shown that the number of cluster heads can be reduced by as many as 21% as compared with the existing clustering algorithms.
Keywords
Wireless Sensor Networks; Hierarchical Routing; Clustering Algorithm; Load Balancing;
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