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Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK)

Qinhuangdao,China,7.9-7.13，2010

ISBN: 978-1-935068-15-0 Scientific Research Publishing, USA

E-Book 840pp Pub. Date: July 2010

Category: Computer Science & Communications

Price: $120

Title: Energy-Balanced Power Control Mechanism for Maximizing Network Lifetime in WSNs
Source: Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK) (pp 779-783)
Author(s): Shu-Chi Huang, Department of Computer Science and Information Engineering, Tamkang University, Tamsui, Taipei County
Yu-Chieh Chen, Department of Computer Science and Information Engineering, Tamkang University, Tamsui, Taipei County
Chih-Yung Chang, Department of Computer Science and Information Engineering, Tamkang University, Tamsui, Taipei County
Chao-Tsun Chang, Hsiuping Institute of Technology Taichung
Abstract: Coverage is one of the most important issues in wireless sensor networks (WSNs). Given a randomly deployed WSN, how to achieve the both purposes of maintaining full coverage and maximizing network lifetime has been received much attention in recent years. 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 sensing region of each sensor node according the remaining energy in a distributed manner. To maximize the network lifetime, techniques for balancing energy consumption of sensors are further proposed. Simulation results reveal that the proposed energy-balanced coverage mechanism outperforms the existing works in terms of network lifetime.
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