Fault tolerance in WSN through PE-LEACH protocol

Abstract

The fault is inevitable in case of the wireless sensor network (WSN) because of its remote deployment and constrained architecture. In literature, many algorithms have been proposed to address several types of fault in the WSN life-cycle. In the context of fault tolerance, the clustering method has been adopted as a proven technique. Heintzelman et al. first considered the clustering technique and proposed the seminal low energy adaptive clustering hierarchy (LEACH) algorithm for fault handling in WSN. In this study, the authors propose a LEACH variant clustering convention called partitioned-based energy-efficient – LEACH (PE-LEACH) protocol which tends to the energy-based fault-tolerant technique. They also study and present a taxonomy on LEACH variants. The execution of PE-LEACH is analysed against its predecessors; hard-computing based LEACH, energy-efficient LEACH (E-LEACH) convention and soft-computing-based energy-swarm-optimisation LEACH (ESO-LEACH). They have found through their recreation that PE-LEACH outperforms than LEACH and E-LEACH separately whereas, for ESO-LEACH the PE-LEACH is a tough competitor.