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Published in:
2005 | OriginalPaper | Chapter
Neighbor Node Discovery Algorithm for Energy-Efficient Clustering in Ubiquitious Sensor Networks
Authors : Ji Young Choi, Chung Gu Kang, Yong Suk Kim, Kyeong Hur
Published in: Embedded and Ubiquitous Computing – EUC 2005 Workshops
Publisher: Springer Berlin Heidelberg
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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.