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Information Technology Journal
Year: 2008  |  Volume: 7  |  Issue: 6  |  Page No.: 876 - 882

Transmit Power Control for Optimization of Wireless Sensor Networks

M. Shakir and W. Wang    

Abstract: Power conservation is an issue which has to be primarily considered in wireless sensor networks. Since we have the limitation of battery life so an appropriate transmit power has to be chosen while guaranteeing the maximal connectivity at the same time. It is in our best interest to have each node transmit at lowest possible power thus prolonging the network lifetime and preserving the connectivity. So this study investigate the most optimum transmit power while considering the data rates and how densely the nodes are deployed. The effects of the interference powers have to be minimized by reaching towards the minimal transmit power. We have worked out on the interference powers introduced due to different ways of deployments of wireless sensor networks over a certain area and we used the graphical approach to look at the effects of distance from the central receiving nodes and the varying densities on the BER. We have also investigated the phenomena through simulations and the main aim being to optimize the performance of sensor networks by observing their behavior in various regularly placed deployments.

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