Joint Energy-Balanced and Full-Coverage Mechanism Using Sensing Range Control for Maximizing Network Lifetime in WSNs

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Title:	Joint Energy-Balanced and Full-Coverage Mechanism Using Sensing Range Control for Maximizing Network Lifetime in WSNs
Authors:	Chang, Chih-yung;Yu, Gwo-jong Joseph;Lin, Chih-yu;Wang, Tzu-lin
Contributors:	淡江大學資訊工程學系
Date:	2012-07-04
Issue Date:	2012-06-25 17:03:53 (UTC+8)
Publisher:	IEEE; IEEE Communications Society; Springer; KICS
Abstract:	Coverage is an important issue that has been widely discussed in wireless sensor networks (WSNs). However, it is still a big challenge to achieve both the purposes of full coverage and energy balancing. This paper considers the area coverage problem for a WSN where each sensor has variable sensing radius. A Weighted Voronoi Diagram (WVD) is proposed as a tool for determining the responsible sensing region of each sensor node according to the remaining energy in a distributed manner. To maximize the network lifetime, techniques for balancing energy consumptions of sensors are further presented. Performance evaluation reveals that the proposed joint energy-balanced and full-coverage mechanism, called EBFC, outperforms the existing studies in terms of network lifetime and degree of energy balancing.
Relation:	Ubiquitous and Future Networks (ICUFN), 2012 Fourth International Conference on, pp.34-39
DOI:	10.1109/ICUFN.2012.6261660
Appears in Collections:	[Graduate Institute & Department of Computer Science and Information Engineering] Proceeding

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