MATLAB Code for BER Performance Analysis of MRC, EGC, and SC with QPSK Modulation
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Resource Overview
This MATLAB code calculates and compares the Bit Error Rate (BER) performance of Maximum Ratio Combining (MRC), Equal Gain Combining (EGC), and Selection Combining (SC) diversity techniques using QPSK modulation, providing implementation details and algorithm explanations for wireless communication systems.
Detailed Documentation
This MATLAB code evaluates the Bit Error Rate (BER) performance of Maximum Ratio Combining (MRC), Equal Gain Combining (EGC), and Selection Combining (SC) diversity schemes under QPSK modulation. These techniques improve reception quality by combining multiple received signals through different algorithms. MRC optimally weights signals based on their SNR, EGC combines signals with equal weights, and SC selects the signal with the highest instantaneous SNR. The code implementation includes Monte Carlo simulations for BER calculation, incorporating QPSK modulation/demodulation, AWGN channel modeling, and diversity combining algorithms. Users can compare the BER curves generated by the code to select the most suitable diversity technique for specific wireless communication applications, with the simulation parameters easily adjustable for different channel conditions.
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