Fault-tolerant and efficient data propagation in wireless sensor networks using local, additional network information

  • Authors:

  • Ioannis Chatzigiannakis;Athanasios Kinalis;Sotiris Nikoletseas

  • Affiliations:

  • Computer Technology Institute, P.O. Box 1382, 26500 Patras, Greece and Department of Computer Engineering and Informatics, University of Patras, Greece;Computer Technology Institute, P.O. Box 1382, 26500 Patras, Greece and Department of Computer Engineering and Informatics, University of Patras, Greece;Computer Technology Institute, P.O. Box 1382, 26500 Patras, Greece and Department of Computer Engineering and Informatics, University of Patras, Greece

  • Venue:
  • Journal of Parallel and Distributed Computing
  • Year:
  • 2007

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Abstract

We propose a new data dissemination protocol for wireless sensor networks, that basically pulls some additional knowledge about the network in order to subsequently improve data forwarding towards the sink. This extra information is still local, limited and obtained in a distributed manner. This extra knowledge is acquired by only a small fraction of sensors thus the extra energy cost only marginally affects the overall protocol efficiency. The new protocol has low latency and manages to propagate data successfully even in the case of low densities. Furthermore, we study in detail the effect of failures and show that our protocol is very robust. In particular, we implement and evaluate the protocol using large scale simulation, showing that it significantly outperforms well known relevant solutions in the state of the art.