MATLAB Simulation of OFDM Systems

This experiment demonstrates OFDM system simulation using MATLAB, combining detailed technical explanations with practical source code implementations. The simulation models core OFDM operations including signal modulation/demodulation, IFFT/FFT processing for orthogonal subcarrier generation, cyclic prefix insertion for multipath mitigation, and channel equalization techniques. The provided code examples showcase key algorithmic implementations such as QAM modulation mapping, pilot symbol insertion for channel estimation, and BER performance analysis under various channel conditions. Each code section includes comprehensive comments explaining the mathematical foundations and optimization strategies for efficient OFDM system design. Through this hands-on approach, learners will gain deep understanding of OFDM advantages in spectral efficiency and multipath resilience, while developing practical MATLAB skills for wireless communication system simulation and performance evaluation. The experiment serves as both an educational resource and a foundation for custom OFDM system development, with modular code structure allowing easy modification and extension for specific research needs.