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Sensors 2016, 16(10), 1702; doi:10.3390/s16101702

A Novel Energy Efficient Topology Control Scheme Based on a Coverage-Preserving and Sleep Scheduling Model for Sensor Networks

1
School of Electronics, Suzhou Vocational University, Suzhou 215104, China
2
Department of Computer Science, University of Texas at Dallas, Richardson, TX 75080, USA
3
School of Computer Science, Soochow University, Suzhou 215006, China
4
College of Computer Science, South-Central University for Nationalities, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Academic Editors: Muhammad Imran, Athanasios V. Vasilakos, Thaier Hayajneh and Neal N. Xiong
Received: 27 August 2016 / Revised: 6 October 2016 / Accepted: 9 October 2016 / Published: 14 October 2016
(This article belongs to the Special Issue Topology Control in Emerging Sensor Networks)
View Full-Text   |   Download PDF [3444 KB, uploaded 14 October 2016]   |  

Abstract

In high-density sensor networks, scheduling some sensor nodes to be in the sleep mode while other sensor nodes remain active for monitoring or forwarding packets is an effective control scheme to conserve energy. In this paper, a Coverage-Preserving Control Scheduling Scheme (CPCSS) based on a cloud model and redundancy degree in sensor networks is proposed. Firstly, the normal cloud model is adopted for calculating the similarity degree between the sensor nodes in terms of their historical data, and then all nodes in each grid of the target area can be classified into several categories. Secondly, the redundancy degree of a node is calculated according to its sensing area being covered by the neighboring sensors. Finally, a centralized approximation algorithm based on the partition of the target area is designed to obtain the approximate minimum set of nodes, which can retain the sufficient coverage of the target region and ensure the connectivity of the network at the same time. The simulation results show that the proposed CPCSS can balance the energy consumption and optimize the coverage performance of the sensor network. View Full-Text
Keywords: energy efficient topology control techniques; Emerging Sensor Networks; sleep scheduling scheme; coverage-preserving; cloud model energy efficient topology control techniques; Emerging Sensor Networks; sleep scheduling scheme; coverage-preserving; cloud model
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Shi, B.; Wei, W.; Wang, Y.; Shu, W. A Novel Energy Efficient Topology Control Scheme Based on a Coverage-Preserving and Sleep Scheduling Model for Sensor Networks. Sensors 2016, 16, 1702.

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