Incremental construction of k-dominating sets in wireless sensor networks

  • Authors:
  • Mathieu Couture;Michel Barbeau;Prosenjit Bose;Evangelos Kranakis

  • Affiliations:
  • School of Computer Science, Carleton University, Ottawa, Ontario, Canada;School of Computer Science, Carleton University, Ottawa, Ontario, Canada;School of Computer Science, Carleton University, Ottawa, Ontario, Canada;School of Computer Science, Carleton University, Ottawa, Ontario, Canada

  • Venue:
  • OPODIS'06 Proceedings of the 10th international conference on Principles of Distributed Systems
  • Year:
  • 2006

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Abstract

Given a graph G, a k-dominating set of G is a subset S of its vertices with the property that every vertex of G is either in S or has at least k neighbors in S. We present a new incremental distributed algorithm to construct a k-dominating set. The algorithm constructs a monotone family of dominating sets D1⊆D2...⊆Di ...⊆Dk such that each Di is an i-dominating set. For unit disk graphs, the size of each of the resulting i-dominating sets is at most six times the optimal.