K-LEACH: An improved LEACH Protocol for Lifetime Improvement in WSN
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2013, Vol 4, Issue 5
Abstract
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 modified 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 energyconsumption of the nodes. The proposed protocol uses the kmedoids 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 LEACH protocol is compared using simulations. Simulation result shows that K-LEACH improves the network lifespan over LEACH.
Authors and Affiliations
Parul Bakaraniya#1, Sheetal Mehta
Keywords
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