An Energy-Efficient Cluster Head Selection in Wireless Sensor Network using Grey Wolf Optimization algorithm

Kaushik Sekaran, R. Rajakumar, K. Dinesh, Y. Rajkumar, T. P. Latchoumi, Seifedine Kadry, Sangsoon Lim


Clustering is considered as one of the most prominent solutions to preserve the energy in the wireless sensor networks. However, for optimal clustering, an energy efficient cluster head selection is quite important. Improper selection of Cluster Heads (CHs) consumes high energy compared to other sensor nodes due to the transmission of data packets between the cluster members and the sink node. Thereby, it reduces the network lifetime and performance of the network. In order to overcome the issues, we propose a novel Cluster Head selection approach using Grey Wolf Optimization algorithm (GWO) namely GWO-CH which considers the residual energy, intra-cluster and sink distance. In addition to that, we formulated an objective function and weight parameters for an efficient cluster head selection and cluster formation. The proposed algorithm is tested in different wireless sensor network scenarios by varying the number of sensor nodes and cluster heads. The observed results convey that the proposed algorithm outperforms in terms of achieving better network performance compare to other algorithms.


cluster head (CHs); wireless sensor network (WSN); grey wolf optimization; residual energy; network lifetime;


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TELKOMNIKA Telecommunication, Computing, Electronics and Control
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