A queue-based prolong lifetime methods for wireless sensor node

  • Authors:
  • Der-Chen Huang;Hsing-Chien Tseng;Der-Jiunn Deng;Han-Chieh Chao

  • Affiliations:
  • Department of Computer Science and Engineering, National Chung Hsing University, Taiwan, ROC;Department of Computer Science and Engineering, National Chung Hsing University, Taiwan, ROC;Department of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan, ROC;Institute of Computer Science & Information Engineering and Department of Electronic Engineering, National Ilan University, Ilan, Taiwan, ROC and Department of Electrical Engineering, National Don ...

  • Venue:
  • Computer Communications
  • Year:
  • 2012

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Abstract

In this paper, we developed a queue-based power saving method for wireless sensor network (WSN). An optimal threshold N has been derived to reduce energy consumption of sensor node in corresponding to various network environments. We proposed a theoretic analysis regarding the probability variation for sleep, idle, busy and transmit states with respect to data arrival rate, service rate and collision probability. We provided a systematic method to decide the queue size of sensor node to ensure there exists an optimal threshold N. The experimental results have demonstrated the correctness of theoretic analysis and the efficiency of this research.