Improving Construction for Connected Dominating Set with Steiner Tree in Wireless Sensor Networks

  • Authors:
  • Manki Min;Hongwei Du;Xiaohua Jia;Christina Xiao Huang;Scott C.-H. Huang;Weili Wu

  • Affiliations:
  • Department of Computer Science and Engineering, University of Minnesota, Minneapolis, USA 55455;Department of Computer Science, City University of Hong Kong, Kowloon Tong, Hong Kong;Department of Computer Science, City University of Hong Kong, Kowloon Tong, Hong Kong;3M Center, USA 55144;Department of Computer Science and Engineering, University of Minnesota, Minneapolis, USA 55455;Department of Computer Science, University of Texas at Dallas, Richardson 75083

  • Venue:
  • Journal of Global Optimization
  • Year:
  • 2006

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Abstract

The connected dominating set plays an important role in ad hoc wireless networking. Many constructions for approximating the minimum connected dominating set have been proposed in the literature. In this paper, we propose a new one with Steiner tree, which produces approximation solution within a factor of 6.8 from optimal. This approximation algorithm can also be implemented distributedly.