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In OFDM systems, peak-to-average power ratio (PAPR) reduction of the signal is one of the main challenges that need to be overcome in order to use the transmitter in an efficient manner. As one of attractive techniques, interleaving can be used in PAPR reduction for multicarrier signals without spectrum distortion. In this paper, the authors propose to extend the possibilities of interleaving to improve...
We have investigated the structural properties of seven different structure types of Mg2Si which include the cubic CaF2, orthorhombic PbCl2, hexagonal Ni2In, tetragonal Al2Cu, Laves phase (cubic MgCu2), hexagonal MgZn2 and dihexagonal MgNi2 type of structures, using a full potential linearized augmented plane wave method as implemented in WIEN2k within the framework of density functional theory. The...
In this paper, in order to improve the Bit Error Rate (BER) of digital communication OFDM in a multipath channel, we combine the algorithm Maximal-Ratio Combining (MRC) diversity with orthogonal frequency division multiplexing (OFDM) system, the main idea of using MRC diversity is to improve the signal received at the receiver. One of the many methods which can be used to reduce the impacts multipath...
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