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Advances in Wireless Sensor Network technology (WSN) have provided the availability of small and low-cost sensor with capability of sensing various types of physical and environmental conditions, data processing and wireless communication. In WSN, the sensor nodes have a limited transmission range, and their processing and storage capabilities as well as their energy resources are limited. Triple Umpiring System (TUS) has already been proved its better performance on Wireless Sensor Networks. Clustering technique provides an effective way to prolong the lifetime of WSN. In this paper, the authors modified the Ad-hoc On-demand Distance Vector routing (AODV) by incorporating Signal to Noise Ratio (SNR) based dynamic clustering.
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