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Study of Transmission Characteristics Of 2x2 MIMO System for OFDM Multiplexing and BPSK Modulation With ZF Equalizer and MMSE Receivers

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Executive Summary

A detailed analysis of 2?2 MIMO (Multiple Input Multiple Output) combined with OFDM (Orthogonal Frequency Division Multiplexing) transmission system and BPSK modulation has been carried out. The BER performance of the system has been determined for Additive White Gaussian Noise (AWGN) presuming Flat fading Rayleigh channel. On the receiver side linear equalization techniques such as Zero Force Equalizer (ZF) and Minimum Mean Square Error (MMSE) detectors were employed for studying the BER performance. The simulation results indicate that the MMSE equalizer shows better performance 3 dB over the ZF equalizer.

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