Underground structure monitoring with wireless sensor networks

  • Authors:
  • Mo Li;Yunhao Liu

  • Affiliations:
  • Hong Kong University of Science and Technology;Hong Kong University of Science and Technology

  • Venue:
  • Proceedings of the 6th international conference on Information processing in sensor networks
  • Year:
  • 2007

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Abstract

Environment monitoring in coal mines is an important application of wireless sensor networks (WSNs) that has commercial potential. We discuss the design of a Structure-Aware Self-Adaptive WSN system, SASA. By regulating the mesh sensor network deployment and formulating a collaborative mechanism based on a regular beacon strategy, SASA is able to rapidly detect structure variations caused by underground collapses. A prototype is deployed with 27 Mica2 motes. We present our implementation experiences as well as the experimental results. To better evaluate the scalability and reliability of SASA, we also conduct a large-scale trace-driven simulation based on real data collected from the experiments.