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Research Paper | Computer Science & Engineering | India | Volume 4 Issue 5, May 2015 | Popularity: 6.4 / 10

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Energy Efficient Cluster Head Selection in Wireless Sensor Networks

Chirag Prajapati, Nimit Modi

Abstract: Wireless sensor network consists of several distributed sensor nodes. It is used for several military applications, environmental applications and health related applications. However, a WSN is a power constrained system, since sensors nodes have shorten lifespan because they run on limited power batteries. The lifespan of sensor network depends on battery unit. In WSN, Energy consumption is one of the most crucial design issues. It is essential to design efficient routing protocol for increase the lifetime of the sensor nodes. LEACH (Low Energy Adaptive Clustering Hierarchy) protocol motivates most of the research in energy efficient data gathering in data centric applications of WSN. It allows the rotation of cluster head role among the sensor nodes and tries to distribute the energy consumption over the network. The recent research based on LEACH-B routing protocol. It saves energy consumption by ensuring that the clusters are balanced. This exiting work has limitation that replaces the cluster head after completion of each round. A proposed approach reduced the amount of cluster head and replacement cost. By decreasing this cost, it increase network lifetime compared to existing protocol.

Keywords: WSN, CH, LEACH, LEACH-B

Edition: Volume 4 Issue 5, May 2015

Pages: 2737 - 2742

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