Koala: Ultra-Low Power Data Retrieval in Wireless Sensor Networks

@article{MusaloiuElefteri2008KoalaUP,
  title={Koala: Ultra-Low Power Data Retrieval in Wireless Sensor Networks},
  author={Razvan Musaloiu-Elefteri and Chieh-Jan Mike Liang and Andreas Terzis},
  journal={2008 International Conference on Information Processing in Sensor Networks (ipsn 2008)},
  year={2008},
  pages={421-432}
}
We present Koala, a reliable data retrieval system designed to operate at permille (.1%) duty cycles, essential for long term environmental monitoring networks. Koala achieves these low duty cycles by letting the network's nodes sleep most of the time and reviving them through an efficient wake-up strategy whenever the gateway performs a bulk data download. Unlike other systems which consume energy to maintain consistent network state (\emph{e.g.} routes, sleep schedules, etc.) across the… CONTINUE READING
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von Rickenbach, and R. Wattenhofer. Dozer: ultra-low power data gathering in sensor networks. In Proceedings of the 6 th IPSN Conference • 2007
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