A Distributed Energy-Efficient Clustering Algorith
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Abstract: In order to prolong the network lifetime, energy-efficient protocols should be designed to adapt thecharacteristic of wireless sensor networks. Clustering Algorithm is a kind of key technique used to reduce energyconsumption, which can increase network scalability and lifetime. This paper studies the performance of clusteringalgorithm in saving energy for heterogeneous wireless sensor networks. A new distributed energy-efficientclustering scheme for heterogeneous wireless sensor networks is proposed and evaluated. In the new clusteringscheme, cluster-heads are elected by a probability based on the ratio between residual energy of node and theaverage energy of networ