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Efficient technique for PAPR and BER Reduction in Downlink Large Scale MU-MIMO-OFDM System



Background & Objective:



In this work, we propose to perform jointly multiuser MMSE precoding, SC-IFDMA and antenna reservation technique to reduce the PAPR and bit error rate (BER) of the large MU-MIMO system. To show the effectiveness of the proposed scheme in the reduction of PAPR with different modulation techniques, subcarriers, and subcarrier mapping schemes the results are compared with the existing OFDM based large MU-MIMO system.



The MATLAB simulation results confirm that our proposed combination of MMSE MU-precoding, SC-IFDMA and antenna reservation technique is able to reduce PAPR and BER to a significant extent for LS-MU-MIMO-OFDM systems.
