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This paper proposes a novel energy efficient data relaying scheme to improve energy efficiency for cluster-based Wireless Sensor Networks (WSNs). In order to reduce the energy dissipation of transmitting sensing data at each sensor, the fixed clustering algorithm uniformly divides the sensing area into clusters where the cluster head is deployed to the centered of the cluster area. Moreover, to perform Energy Efficient data Relaying Fixed Clustering (EERFC), the cluster head is deployed as close to the sink as possible. Simulation results show that proposed EERFC definitely reduces the energy consumption of the sensors and it can further efficiently relay the cluster data.
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