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HRVN: A Highly Reliable Forwarding Model Based on Virtual Nodes in Node-Intensive WSNs

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  • Wenlong Chen
  • Zhe Zheng
  • Rong Xiao
  • Fan Li
  • Zhenzhen Sun

Abstract

Transmission links in wireless sensor networks (WSNs) are prone to failure because of breakdown, movement, and energy depletion of nodes. Aiming at node-intensive environment, this paper proposes a highly reliable forwarding model based on virtual nodes (HRVN) in tree-based topology networks. A virtual node (VN) consists of several neighboring physical sensor nodes, which have common parent node and children nodes. Normally, the physical sensor nodes in the same VN forward packets in a load-balancing scheme. When a sensor node in a VN is in failure, the others would take over its forwarding work immediately. Moreover, the internal changes of a VN are transparent to its parent and children nodes. The experiments prove the model can provide load-balance and fast recovery from failure with low cost.

Suggested Citation

  • Wenlong Chen & Zhe Zheng & Rong Xiao & Fan Li & Zhenzhen Sun, 2015. "HRVN: A Highly Reliable Forwarding Model Based on Virtual Nodes in Node-Intensive WSNs," International Journal of Distributed Sensor Networks, , vol. 11(10), pages 829589-8295, October.
    • Handle: RePEc:sae:intdis:v:11:y:2015:i:10:p:829589
    DOI: 10.1155/2015/829589
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