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Analysis is carried out for a satellite to ground link to evaluate the bit error rate performance limitation imposed by atmospheric turbulence. Considering log-normal distribution for the turbulence indeed fading, the SNR and BER are determined. The average BER Performance results shows that the satellite to ground link at 30 GHz channel suffers significantly due to atmospheric turbulence. Power penalty...
In this paper, we consider a confidential communication through multi-cellular co-located multiple-input multiple-output (C-MIMO) and distributed MIMO (D-MIMO) networks in the presence of an eavesdropper. The base station (BS) of each cell sends a common stream of information to a group of receivers within the cell and an eavesdropper observes their communications. We are interested to protect these...
A nobel theoretical analysis is presented for a wireless communication system using MC-DS-CDMA with OFDM subcarriers and Rake receivers under Nakagami-m fading environment considering maximal ratio combining (MRC) for the rake combiner. Here the probability density function (PDF) expression of the signal to noise ratio at the output of rake combiner is developed for individual sub-channels of the...
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