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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2011> 20(3): 403-409
LI Xiao-yang, Henry Shi Li, SONG Wei. Novel routing protocol for heterogeneous wireless sensor networks[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(3): 403-409.
Citation: LI Xiao-yang, Henry Shi Li, SONG Wei. Novel routing protocol for heterogeneous wireless sensor networks[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(3): 403-409.
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Novel routing protocol for heterogeneous wireless sensor networks

  • 1.

    School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China

  • 2.

    College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China

  • Received Date:2010-10-25
    Abstract
  • An improved LEACH for heterogeneous wireless sensor networks is proposed. Nodes are distributed in a sensing area that is divided into a number of same equilateral hexagons. Heterogeneous nodes act as the cluster heads and ordinary nodes act as those cluster sensors in all clusters. The structure of WSNs is a two-layer structure. The upper layer consists of all cluster heads and the lower layer consists of all ordinary sensors managed by their corresponding cluster heads. The cluster heads and the ordinary sensors establish their pairwise keys respectively through utilizing different methods. The arithmetic balances energy expense among all kinds of nodes, saves the node energy, and prolongs the life of wireless sensor networks. Additionally, Analysis demonstrates that the security of wireless sensor networks has been improved obviously even with some heterogeneous nodes.
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