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Energy-Efficient Sleep/Wake Scheduling for Acoustic Localization Wireless Sensor Network Node

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  • ChengFang Zhen
  • Wenyi Liu
  • Yongrui Liu
  • Anbin Yan

Abstract

Both energy-saving and synchronization issues are the paramount concern in wireless sensor networks (WSNs). In this paper we propose a simple and efficient WSN node design based on acoustic positioning applications and present an on-demand sleep/wake scheduling synchronization protocol. Three aspects are already considered in the design: (a) power controllable; (b) energy efficient; (c) high synchronization accuracy. Our primary goal is to maximize energy saving and to control power supplying according to environments and demands. We establish a model of energy consumption and improve it by the ways of power control and on-demand synchronization. The on-demand synchronization protocols are implemented in sensor nodes and evaluated in a testbed. Analysis and simulation were performed that the proposed protocol has significantly reduced the energy consumption. It is also demonstrated by experiments that the platform is accurate and effective.

Suggested Citation

  • ChengFang Zhen & Wenyi Liu & Yongrui Liu & Anbin Yan, 2014. "Energy-Efficient Sleep/Wake Scheduling for Acoustic Localization Wireless Sensor Network Node," International Journal of Distributed Sensor Networks, , vol. 10(2), pages 970524-9705, February.
    • Handle: RePEc:sae:intdis:v:10:y:2014:i:2:p:970524
    DOI: 10.1155/2014/970524
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