Decentralized energy-conserving and coverage-preserving protocols for wireless sensor networks

Chi Fu Huang*, Li Chu Lo, Yu-Chee Tseng, Wen Tsuen Chen

*Corresponding author for this work

Research output: Contribution to journalReview article

25 Scopus citations

Abstract

In this article, we propose several decentralized protocols that schedule sensors' active and sleeping periods to prolong the network lifetime while maintain the sensing field sufficiently covered. The proposed protocols are based on a model similar to that of Yan et al. [2003], but improve its results in several senses. First, our approach can significantly reduce the computational complexity incurred, and at the same time achieve better accuracy in determining the coverage of the sensing area. Second, we extend the result such that it can support multilayer coverage of the sensing field. Third, we further enhance it [Yan et al. 2003] by proposing several optimization mechanisms to balance or reduce sensors' energy expenditure.

Original languageEnglish
Pages (from-to)182-187
Number of pages6
JournalACM Transactions on Sensor Networks
Volume2
Issue number2
DOIs
StatePublished - 14 Aug 2006

Keywords

  • Computational geometry
  • Coverage
  • Energy conservation
  • Sensor network

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