Hierarchical routing in sensor networks using k-dominating sets

  • Authors:
  • Michael Q. Rieck;Subhankar Dhar

  • Affiliations:
  • Drake University, Des Moines, Iowa;San José State University, San José, CA

  • Venue:
  • IWDC'05 Proceedings of the 7th international conference on Distributed Computing
  • Year:
  • 2005

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Abstract

For a connected graph, representing a sensor network, distributed algorithms for the Set Covering Problem can be employed to construct reasonably small subsets of the nodes, called k-SPR sets. Such a set can serve as a virtual backbone to facilitate shortest path routing, as introduced in [4] and [14]. When employed in a hierarchical fashion, together with a hybrid (partly proactive, partly reactive) strategy, the k-SPR set methods become highly scalable, resulting in guaranteed minimal path routing, with comparatively little overhead.