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Efficient node energy utilization is one of the most important challenges in Wireless Sensor Networks. In this paper, we present an energy efficient scheduling algorithm for clustered wireless sensor networks (PASC). Energy is saved by scheduling some nodes into active state to generate data and keep network connectivity, while putting others into sleep state. Through several simulations, we evaluate...
A Wireless Sensor Network (WSN) is a collection of small, self-contained electro-mechanical devices that monitor the environment conditions. There are many design issues for WSNs such as deployment, mobility, infrastructure, network topology, network size and density, connectivity, lifetime, node addressability, data aggregation etc. The hierarchical routing protocols are LEACH (Low-Energy Adaptive...
Wireless sensor network consisting of a large number of small sensors is effective for gathering various data in a variety of environments. Since each sensor operates on battery, energy efficient data transfer is indispensable to maximize the lifetime of the network. In this paper we propose a new data transfer protocol employed in large-scale wireless sensor network. Here only one designated cluster-head...
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