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1

Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

2

Russian State University of Trade and Economics, Kemerovo Branch, Kemerovo, Russia

3

School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Korea





*

Author to whom correspondence should be addressed.



Abstract In wireless sensor networks, density control is an important technique for prolonging a networks lifetime. To reduce the overall energy consumption, it is desirable to minimize the overlapping sensing area of the sensor nodes. In this paper, we study the problem of energy-efficient area coverage by the regular placement of sensors with adjustable sensing and communication ranges. We suggest a more accurate method to estimate efficiency than those currently used for coverage by sensors with adjustable ranges, and propose new density control models that considerably improve coverage using sensors with two sensing ranges. Calculations and extensive simulation show that the new models outperform existing ones in terms of various performance metrics. View Full-Text

Keywords: Coverage; deployment; energy efficiency; wireless sensor networks; simulation Coverage; deployment; energy efficiency; wireless sensor networks; simulation





Autor: Vyacheslav Zalyubovskiy 1, Adil Erzin 1, Sergey Astrakov 2 and Hyunseung Choo 3,*

Fuente: http://mdpi.com/



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