K - LEACH: An improved LEACH Protocol for Lifetime Improvement in WSN

  ijett-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2013 by IJETT Journal
Volume-4 Issue-5                      
Year of Publication : 2013
Authors : Parul Bakaraniya , Sheetal Mehta


Parul Bakaraniya , Sheetal Mehta. "K - LEACH: An improved LEACH Protocol for Lifetime Improvement in WSN". International Journal of Engineering Trends and Technology (IJETT). V4(5):1521-1526 May 2013. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group.


A Wireless Sensor Network is the collection of large number of sensor nodes, which are technically or economically feasible and measure the ambient condition in the environment surrounding them. The difference between usual wireless networks and WSNs is that sensors are sensitive to energy consumption. Energy saving is the crucial issue in designing the wireless sensor networks. In this paper, a mod ified algorithm for Low Energy Adaptive Clustering Hierarchy (LEACH) protocol is proposed. The modified protocol called “Kmedoids - LEACH protocol (K - LEACH) for clustered WSN” is aimed at prolonging the lifetime of the sensor networks by balancing the energy consumption of the nodes. The proposed protocol uses the k - medoids clustering algorithm for uniform clustering and Euclidean distance and maximum residual energy (MRE) is used to select the cluster head (CH). The performance of K - LEACH with that of the LE ACH protocol is compared using simulations. Simulation result shows that K - LEACH improves the network lifespan over LEACH.


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LEACH, Wireless sensor network, Routing protocols , K - LEACH