An active node set maintenance scheme for distributed sensor networks

  • Authors:

  • Tae-Young Byun;Minsu Kim;Sungho Hwang;Sung-Eok Jeon

  • Affiliations:

  • School of Computer and Information Communications Engineering, Catholic University of Daegu, Gyeongsan, Gyeongbuk, Korea;School of Electrical and Computer Engineering, The Georgia Institute of Technology, Atlanta, Georgia;School of Electrical and Computer Engineering, The Georgia Institute of Technology, Atlanta, Georgia;School of Electrical and Computer Engineering, The Georgia Institute of Technology, Atlanta, Georgia

  • Venue:
  • ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part III
  • Year:
  • 2006

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Abstract

In this paper, we propose an energy-efficient coverage maintenance scheme for prolonging the lifetime of the sensor networks. Researchers are actively exploring advanced power conservation approaches for wireless sensor network and probabilistic approaches among them are preferred due to advantages of simplicity. However, these probabilistic approaches have limited usefulness because they can not ensure full area coverage. In the proposed scheme, each node computes the probability through the densities of its own coverage and keeps it adaptively to the report history. The performance of proposed scheme is investigated via computer simulations. Simulation results show that the proposed scheme is very simple nevertheless efficient to save the energy.