A Modified Approach for Cluster Head Election in Wireless Sensor Network

Computer Science & Engg.

A wireless sensor network is a group of tiny sensor nodes which are randomly deployed over a particular area in order to sense the environment for over a long period of time. So energy preservation is always a challenging issue. In the present work, a new scheme is proposed that uses fuzzy logic for energy efficient cluster head election. Fuzzy logic control is capable of making real time decisions, even with incomplete information. Conventional control systems rely on an accurate representation of the environment, which generally does not exist in reality. Fuzzy logic systems, which can manipulate the linguistic rules in a natural way, are hence suitable in this respect. Moreover it can be used for context by blending different parameters - rules combined together to produce the suitable result. Simulation results show that proposed scheme improves network lifetime as compared to the old scheme. Author also classified a clustering algorithms based on the parameters of cluster formation and CH election criteria and also focuses on clustering routing protocols on the basis of cluster, cluster-head, clustering characteristics and entire proceeding of the algorithm.

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