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Sensors 2007, 7(11), 2907-2919; doi:10.3390/S7112907

Article

Novel Deployment Schemes for Mobile Sensor Networks

Jiming Chen ^1,* , Shijian Li ²  and Youxian Sun ¹

¹ State Key of Industrial Control Technology, Zhejiang University, Hangzhou 310027, P.R.China ² College of Computer Science and Technology, Zhejiang University, Hangzhou 310027, P.R.China

* Author to whom correspondence should be addressed.

Received: 8 November 2007 / Accepted: 19 November 2007 / Published: 21 November 2007

(This article belongs to the Special Issue Energy Efficiency and Intelligent Signal Processing for Wireless Sensing)

Download PDF Full-Text [604 KB, uploaded 20 June 2008 16:52 CEST]

Abstract: Virtual Force Algorithm (VFA) is becoming a main solution to area coverage forhomogeneous wireless sensor networks with random distribution of mobile sensor nodes.Consider the factors of the convergence, the boundary in Region Of Interest (ROI), effec-tive distance of acting force and useless moving, etc, VFA is improved to overcome the aboveproblems. Furthermore, an expression of exponential function for the relationship of vir-tual force is proposed to converge rapidly. Extensive simulation results indicate that theseimproved VFA get better performance in coverage rate, moving energy consumption, conver-gence etc. than original VFA.

Keywords: Virtual Force Algorithm; Deployment; Coverage; Mobile Sensor Networks

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