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Energy-balance node-selection algorithm for heterogeneous wireless sensor networks

  • Khan, Imran (Department of Electrical Engineering, University of Engineering & Technology) ;
  • Singh, Dhananjay (Department of Electronics Engineering, Hankuk University of Foreign Studies)
  • Received : 2017.12.30
  • Accepted : 2018.04.09
  • Published : 2018.10.01

Abstract

To solve the problem of unbalanced loads and the short network lifetime of heterogeneous wireless sensor networks, this paper proposes a node-selection algorithm based on energy balance and dynamic adjustment. The spacing and energy of the nodes are calculated according to the proximity to the network nodes and the characteristics of the link structure. The direction factor and the energy-adjustment factor are introduced to optimize the node-selection probability in order to realize the dynamic selection of network nodes. On this basis, the target path is selected by the relevance of the nodes, and nodes with insufficient energy values are excluded in real time by the establishment of the node-selection mechanism, which guarantees the normal operation of the network and a balanced energy consumption. Simulation results show that this algorithm can effectively extend the network lifetime, and it has better stability, higher accuracy, and an enhanced data-receiving rate in sufficient time.

Keywords

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