MATLAB Code Implementation for OFDM System Simulation with Multiple Modulation Schemes

OFDM system simulation serves as a widely adopted methodology in communication system analysis. This approach enables the implementation of diverse modulation schemes such as BPSK, QPSK, 8-QAM, 16-QAM, 32-QAM, and 64-QAM through MATLAB coding techniques. The simulation framework typically involves key components: signal modulation using constellation mapping, IFFT/FFT operations for orthogonal subcarrier generation, cyclic prefix insertion for mitigating inter-symbol interference, and channel modeling with AWGN or multipath effects. Through systematic simulation of these modulation techniques, engineers can evaluate critical performance metrics including bit error rate (BER), symbol error rate (SER), and spectral efficiency. The MATLAB implementation allows for comparative analysis to determine the optimal modulation scheme for specific application requirements. By simulating various channel conditions and noise environments, the system's robustness and error tolerance can be thoroughly assessed. The simulation code typically incorporates parameterized functions for modulation/demodulation, channel equalization, and performance visualization. This facilitates system parameter optimization and design refinement to achieve enhanced performance characteristics. Consequently, OFDM system simulation represents an invaluable toolset for advancing communication system design and optimization outcomes, providing practical insights through programmable experimentation.