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A Study on Energy Efficiency for Cluster-based Routing Protocol
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 Title & Authors
A Study on Energy Efficiency for Cluster-based Routing Protocol
Lee, Won-Seok; Ahn, Tae-Won; Song, ChangYoung;
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To establish the equitable distribution of total energy load, a representative cluster based routing protocol LEACH selects cluster heads randomly in accordance with the pre-determined probability every round. But because the current energy level of sensor nodes is not considered, if a sensor node which has little residual energy is elected as a cluster head, it can not live to fulfil the role of cluster head which has big energy load. As a result, the first time of death of a node is quickened and the service quality of WSN gets worse. In this regard we propose a new routing method that, by considering the current energy of a cluster head and the distance between cluster heads and a base station, selects the sub cluster head for saving the energy of a cluster head. Simulation results show that the first time of death of a node prolongs, more data arrive at the base station and the service quality of WSN improves.
Routing;Clustering;WSN;LEACH;Energy Efficiency;
 Cited by
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