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On Improving Wireless Broadcast Reliability of Sensor Networks Using Erasure Codes

  • Rajnish Kumar
  • Arnab Paul
  • Umakishore Ramachandran
  • David Kotz
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4325)

Abstract

Efficient and reliable dissemination of information over a large area is a critical ability of a sensor network for various reasons such as software updates and transferring large data objects (e.g., surveillance images). Thus efficiency of wireless broadcast is an important aspect of sensor network deployment. In this paper, we study FBcast, a new broadcast protocol based on the principles of modern erasure codes. We show that our approach provides high reliability, often considered critical for disseminating codes. In addition FBcast offers limited data confidentiality. For a large network, where every node may not be reachable by the source, we extend FBcast with the idea of repeaters to improve reliable coverage. Simulation results on TOSSIM show that FBcast offers higher reliability with lower number of retransmissions than traditional broadcasts.

Keywords

Sensor Network Wireless Sensor Network Data Packet Erasure Code Broadcast Protocol 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Rajnish Kumar
    • 1
  • Arnab Paul
    • 2
  • Umakishore Ramachandran
    • 1
  • David Kotz
    • 3
  1. 1.College of Computing, Georgia TechAtlantaUSA
  2. 2.Intel Corp.HillsboroUSA
  3. 3.Computer Science DepratmentDartmouth CollegeHanoverUSA

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