Fuzzy-based fault-tolerant low-energy adaptive clustering hierarchy routing protocol for wireless sensor network
by Maya Shelke; Getenet Tefera; Akshay Malhotra; Parikshit Mahalle
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 11, No. 2, 2016

Abstract: Wireless sensor networks employ a number of sensor nodes (motes) that have limitations of battery-power, sensing, computation, and wireless communication capabilities. The design of an efficient routing protocol to be used by these motes has a very significant impact on the overall lifetime of the network. Clustering motes and structuring them hierarchically provides better data aggregation and scalability while also considering the energy constraints. We present an enhanced version of Low Energy Adaptive Clustering Hierarchy (LEACH) routing protocol called Fuzzy Based Fault Tolerant-LEACH (FTLEACH), which considers remaining battery-power, centrality of cluster head and node density during routing. The routing process involves clustering of motes, assigning of cluster head, replica cluster head and identifying faulty motes. Our results show that the enhanced approach provides better performance than the existing LEACH protocol in terms of first node fails, and half node alive and it exhibits better stability, and lower delay and maximises network lifetime.

Online publication date: Sun, 06-Nov-2016

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