A Particle Swarm Clustering Protocol for Wireless Sensor Networks Based on Optimal Number of Clusters
Ruchuan Wang · Journal of Nanjing University of Posts and Telecommunications · 2010
Clustering protocols for layer-cluster wireless sensor networks are discussed.Following the study of classical LEACH protocol with its defects analyzed,the ILEACH protocol is proposed.In the initial stage,ILEACH protocol calculates the optimal number of clusters as a target for clustering with certain principles.In the cluster reorganization stage,residual energy and location distribution of nodes are taken into account to select a new cluster head with particle swarm optimization algorithm.Encouraging results are achieved.Simulations have shown that ILEACH protocol can save energy effectively and prolong the lifetime of network greatly.