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Load-Balanced Virtual Backbone Construction for Wireless Sensor Networks

  • Jing (Selena) He
  • Shouling Ji
  • Yi Pan
  • Zhipeng Cai
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7402)

Abstract

Virtual Backbones (VBs) are expected to bring substantial benefits to routing in Wireless Sensor Networks (WSNs). Connected Dominating Sets (CDSs) based VBs are competitive approaches among the existing methods used to establish VBs in WSNs. Most existing works focus on constructing Minimum-sized CDSs (MCDSs). However, few works consider the load-balance factor. In this work, the size and the load-balance factor are both taken into account when constructing VBs in WSNs. Specifically, three problems are investigated in the paper, namely, the MinMax Degree Maximal Independent Set (MDMIS) problem, the Load-Balanced Virtual Backbone (LBVB) problem, and the MinMax Valid-Degree non Backbone node Allocation (MVBA) problem. We claim that MDMIS and LBVB are NP-Complete and MVBA is NP-Hard. Moveover, approximation algorithms and comprehensive theoretical analysis of the approximation factors are presented in the paper.

Keywords

Sensor Node Wireless Sensor Network Backbone Node Virtual Backbone Independent Node 
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

  • Jing (Selena) He
    • 1
  • Shouling Ji
    • 1
  • Yi Pan
    • 1
  • Zhipeng Cai
    • 1
  1. 1.Department of Computer ScienceGeorgia State UniversityAtlantaUSA

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