Authors:
Ch. Rambabu, V.V.K.D.V. Prasad,K. Satya Prasad,DOI NO:
https://doi.org/10.26782/jmcms.2019.06.00029Keywords:
WSN, Routing,Fault Tolerance,Clustering, Backup cluster head, Node failure,Relay node,Coverage, Network lifetime,Abstract
Fault Tolerance and energy consumption are the constraints in designing Wireless Sensor Network’s (WSN’s) while most of the Base station’s designed are based on energy usage whereas medical care systems need fault tolerant systems. In previous works, numerous clustering procedures are intended for network clustering. There doesn’t exist any recovery methods in the clustering procedures in case if CH node fails. Since the load is enlarged at the CH nodes, the energy depletion occurs more quickly which results in CH failure. Centered on the proposed technique, distance and residual energy are the two parameters that are considered to select BKCH. This BKCH which act as CH aggregates the data and send them back to the BS when there occurs a failure in the elected CHs. For solving the problems produced by faults of Cluster Heads, an Energy efficient Backup Cluster Head Fault tolerance (EE-BKCH-FT) is offered. We present two strategies to find the optimal position of BS’s: 1) low energy usage while transmission 2) low energy usage when a CH fails. Considering weight factor and the above conditions the position of a CH is decided as fault tolerance is highly recommended as to increase network lifetime which can sustain in any environmental conditions even if CH failures happen. Simulation results given by NS2 software are utilized to verify the efficiency of proposed method compared to the surviving approaches.Refference:
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