An Energy-Efficient Distributed Unequal Clustering Protocol for Wireless Sensor Networks

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Executive Summary

The wireless sensor networks have been extensively deployed and researched. One of the major issues in wireless sensor networks is a developing energy-efficient clustering protocol. Clustering algorithm provides an effective way to prolong the lifetime of a wireless sensor networks. In the paper, the authors compare several clustering protocols which significantly affect a balancing of energy consumption. And the authors propose an Energy-Efficient Distributed Unequal Clustering (EEDUC) algorithm which provides a new way of creating distributed clusters. In EEDUC, each sensor node sets the waiting time. This waiting time is considered as a function of residual energy, number of neighborhood nodes. EEDUC uses waiting time to distribute cluster heads. The authors also propose an unequal clustering mechanism to solve the hot-spot problem.

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