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Probability Distributions for Channel Utilisation

  • Christian Schindelhauer
  • Kerstin Voß
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3738)

Abstract

Sensor nets have many undisputed fields of application. A paradigm of communication is the use of one control channel in the MAC layer. We challenge this paradigm for nodes with very restricted hardware resources. In our model nodes support the use of different channels and use clock synchronisation.

We present a simple probabilistic synchronised channel utilisation scheme for wireless communication. The main features are its simplicity, robustness against radio interference, the high throughput caused by less interfering signals, and predictable energy consumption. For this, the channel selection is based on a carefully chosen probability distribution maximising the expected number of successfully delivered packets up to a constant factor.

Combined with a standard synchronisation scheme it provides a novel energy-efficient, robust, and fast message delivery service for sensor networks where data gathering is not available due to memory restrictions.

Topics: Access control, Sensor Networks.

Keywords

Sensor network frequency selection medium access control 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Christian Schindelhauer
    • 1
  • Kerstin Voß
    • 2
  1. 1.Heinz Nixdorf InstitutePaderborn University 
  2. 2.Paderborn Center for Parallel Computing – PC2Paderborn University 

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