MATLAB Simulation of QAM Modulations
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Resource Overview
This MATLAB code implements comprehensive QAM simulations including 4-QAM, 16-QAM, and 64-QAM modulation schemes with detailed bit error rate (BER) performance analysis under various channel conditions.
Detailed Documentation
This code implements MATLAB simulations for Quadrature Amplitude Modulation (QAM), covering 4-QAM, 16-QAM, and 64-QAM modulation schemes. The implementation includes constellation mapping, symbol modulation/demodulation, and BER simulation analysis. Through channel transmission modeling with additive white Gaussian noise (AWGN), the simulation evaluates BER performance across different modulation orders. The code employs key MATLAB functions including qammod() for modulation, qamdemod() for demodulation, and awgn() for channel noise implementation. By comparing BER curves against theoretical values using semilogy() plots, this simulation provides valuable insights for designing high-performance communication systems with optimal modulation scheme selection.
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