Minimum Total Communication Power Connected Dominating Set in Wireless Networks

  • Deying Li
  • Donghyun Kim
  • Qinghua Zhu
  • Lin Liu
  • Weili Wu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7405)

Abstract

A virtual backbone of a wireless network is a connected subset of nodes responsible for routing messages in the network. A node in the subset is likely to be exhausted much faster than the others due to its heavy duties. This situation can be more aggravated if the node uses higher communication power to form the virtual backbone. In this paper, we introduce the minimum total communication power connected dominating set (MTCPCDS) problem, whose goal is to compute a virtual backbone with minimum total communication power. We show this problem is NP-hard and propose two distributed algorithms. Especially, the first algorithm, MST-MTCPCDS, has a worst case performance guarantee. A simulations is conducted to evaluate the performance of our algorithms.

Keywords

Wireless Network Minimum Span Tree Message Complexity Grid Graph Unit Disk Graph 
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 2012

Authors and Affiliations

  • Deying Li
    • 1
  • Donghyun Kim
    • 2
  • Qinghua Zhu
    • 1
  • Lin Liu
    • 1
  • Weili Wu
    • 3
  1. 1.School of InformationRenmin University of ChinaBeijingChina
  2. 2.Dept. of Mathematics and Computer ScienceNorth Carolina Central UniversityDurhamUSA
  3. 3.Dept. of Computer ScienceUniversity of Texas at DallasRichardsonUSA

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