Electronic Science and Technology ›› 2019, Vol. 32 ›› Issue (2): 56-60.doi: 10.16180/j.cnki.issn1007-7820.2019.02.012

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A Busy Coefficient Based on Dual Cluster Head Algorithm of Adaptive WSN for Energy Consumption Optimization

WANG Kang,WU Chunxue   

  1. School of Optical-Electrical & Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200082
  • Received:2018-02-03 Online:2019-02-15 Published:2019-01-02
  • Supported by:
    Shanghai Science and Technology Innovation Action Plan Project(16111107502);Shanghai Science and Technology Innovation Action Plan Project(17511107203)


The communication between sensor nodes plays an important role in Wireless Sensor Network (WSN), because it affects the network lifetime. However, the communication is quite unbalanced, which may result in an increased energy consumption and decreased network lifetime. To address the problem, a busy coefficient based WSN adaptive cluster head switching algorithm was proposed. Firstly, the algorithm chose dual cluster heads, and the nodes communicated with the base station through the current cluster head and adaptively switch the cluster head according to the actual situation in network. Secondly, if its energy was less than the threshold, the current cluster head was switched to the secondary one, and the node communicated with the base station through the secondary one. Finally, the simulation results demonstrated that the proposed algorithm could improve the network lifetime by shortening the overall communication distance of the nodes, thus outperformed in both energy consumption and in network lifetime.

Key words: WSN, clustering algorithm, LEACH, energy optimization, communication distance, busy coefficient

CLC Number: 

  • TP393