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In this paper, a PSO-DV (Particle Swarm Optimization with Differentially Perturbed Velocity) based approach to find optimal size, number and site of capacitor in radial distribution system is presented. The PSO-DV approach consists of classical Particle Swarm Optimization (PSO) and differential evolution approach in combination. For capacitor placement problem, the power losses occurring in the system...
This paper deals with the sub-carrier and bit allocations for multi-user orthogonal frequency division multiplexing (OFDM) systems by a modified particle swarm optimization (MPSO) method for a specific bit error rate (BER). The resources (subcarriers and the number of bits per symbol per subcarrier) are allocated according to the instantaneous channel state information (CSI) which is assumed to be...
Co-operative relay is emerging technique for 3G/4G high bandwidth networks in order to improve the capacity of edge nodes. As the deployment cost is high, there might be a few number of relay nodes in the cell which can help the edge nodes to transmit their data. From this perspective, one of the key problems for a relay node is to make decision which edge nodes to help and how much resource need...
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