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1 Journal of Telecommunications and Information Technology

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Swarm Intelligence-based Partitioned Recovery in Wireless Sensor Networks

Kumar G., Ranga V.

Journal of Telecommunications and Information Technology

2018

nr 3

70--81

The failure rate of sensor nodes in Heterogeneous Wireless Sensor Networks is high due to the use of low battery-powered sensor nodes in a hostile environment. Networks of this kind become non-operational and turn into disjoint segmented networks due to large-scale failures of sensor nodes. This may require the placement of additional highpower relay nodes. In this paper, we propose a network partition recovery solution called Grey Wolf, which is an optimizer algorithm for repairing segmented heterogeneous wireless sensor networks. The proposed solution provides not only strong bi-connectivity in the damaged area, but also distributes traﬃc load among the multiple deployed nodes to enhance the repaired network’s lifetime. The experiment results show that the Grey Wolf algorithm oﬀers a considerable performance advantage over other state-of-the-art approaches.