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PREG: A Practical Power Control Algorithm Based on a Novel Proximity Graph for Heterogeneous Wireless Sensor Networks

  • Xue Zhang
  • Sanglu Lu
  • Daoxu Chen
  • Li Xie
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4138)

Abstract

Power control is one of the most important techniques used in wireless sensor networks. However, most power control algorithms proposed so far are impractical, because previous work usually makes such perfect assumptions as uniform transmission ranges, location-awareness, and so on. In this paper, we propose REG (Relative Energy-cost Graph), an algorithm to derive a novel proximity graph, which is optimal in the sense of sparseness while preserving the least energy consumption path between any two nodes. And based on REG, we further put forward a new practical power control algorithm PREG (Practicalized REG) for heterogeneous networks. Our theoretical analyses and simulation results show that PREG has a better performance than other power control algorithms thanks to its high practicality and energy efficiency.

Keywords

Sensor Node Wireless Sensor Network Power Control Heterogeneous Network Topology Control 
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 2006

Authors and Affiliations

  • Xue Zhang
    • 1
    • 2
  • Sanglu Lu
    • 1
  • Daoxu Chen
    • 1
  • Li Xie
    • 1
  1. 1.State Key Laboratory for Novel Software Technology, Department of Computer Science and TechnologyNanjing UniversityNanjingP.R.China
  2. 2.Department of Electrical Engineering, School of EngineeringNanjing Agricultural UniversityNanjingP.R. China

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