Wireless Sensor Networks

Volume 2920 of the series Lecture Notes in Computer Science pp 307-322

Lessons from a Sensor Network Expedition

  • Robert SzewczykAffiliated withUniversity of California, Berkeley
  • , Joseph PolastreAffiliated withUniversity of California, Berkeley
  • , Alan MainwaringAffiliated withIntel Research Laboratory at Berkeley
  • , David CullerAffiliated withUniversity of California, BerkeleyIntel Research Laboratory at Berkeley

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Habitat monitoring is an important driving application for wireless sensor networks (WSNs). Although researchers anticipate some challenges arising in the real-world deployments of sensor networks, a number of problems can be discovered only through experience. This paper evaluates a sensor network system described in an earlier work and presents a set of experiences from a four month long deployment on a remote island off the coast of Maine. We present an in-depth analysis of the environmental and node health data. The close integration of WSNs with their environment provides biological data at densities previous impossible; however, we show that the sensor data is also useful for predicting system operation and network failures. Based on over one million data and health readings, we analyze the node and network design and develop network reliability profiles and failure models.