Cluster Maintenance in Mobile Ad-hoc Networks

  • Authors:
  • Lan Wang;Stephan Olariu

  • Affiliations:
  • Department of Computer Science, Old Dominion University, Norfolk 23529-0162;Department of Computer Science, Old Dominion University, Norfolk 23529-0162

  • Venue:
  • Cluster Computing
  • Year:
  • 2005

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Abstract

The main contribution of this paper is to propose a new cluster maintenance algorithm and a companion cluster initialization algorithm based on a number of interesting and novel properties of diameter-2 graphs. The initialization algorithm naturally blends into cluster maintenance, showing the unity between these two operations. We refer to our algorithms as tree-based since they depend on a spanning tree maintained at various nodes. Unlike the vast majority of published clustering algorithms, our algorithms are cluster-centric, as opposed to node-centric, and work in the presence of node mobility. Extensive simulation results have shown the effectiveness of our algorithms when compared to other clustering schemes proposed in the literature.