A Novel Energy-Efficient Backbone for Sensor Networks

  • Hekang Chen
  • Shuigeng Zhou
  • Bin Xiao
  • Jihong Guan
  • Bo Huang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4325)


The construction of backbone is a fundamental problem in sensor networks. As being critical to routing, data fusion and query broadcasting, the backbone should contain as fewer nodes as possible. Meanwhile, it also should be power-efficient in order to prolong its lifetime. In this paper, we propose a novel design of backbone for sensor networks by minimizing its total transmission cost. We term this kind of backbone Minimum-Weight Backbone (simply MWB). The construction of MWB is proved to be NP-Complete. Two heuristic algorithms (one is centralized and the other is distributed) are developed for constructing such backbone. The centralized algorithm, executed at the base station, is to find an optimal backbone by using the information of all nodes and links in the network. The distributed algorithm run at each node, however, uses the information of its neighbors and two-hop neighbors to determine whether it should be included in the backbone. Simulated experiments are conducted to evaluate the novel backbone, and performance comparisons are also done with the existing schemes.


Sensor Network Sensor Node Span Tree Network Lifetime Centralize Algorithm 
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

  • Hekang Chen
    • 1
  • Shuigeng Zhou
    • 1
  • Bin Xiao
    • 2
  • Jihong Guan
    • 3
  • Bo Huang
    • 1
  1. 1.Dept. of Computer Sci. and Eng.Fudan UniversityShanghaiChina
  2. 2.Dept. of ComputingThe Hong Kong Polytechnic UniversityHong KongChina
  3. 3.Dept. of Computer Sci. and Techn.Tongji UniversityShanghaiChina

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