MATLAB Implementation of OFDM System with Power Spectral Density Analysis

Resource Overview

Complete OFDM MATLAB program featuring power spectral density analysis, designed with concise and practical implementation for communication systems

Detailed Documentation

In this documentation, we provide a comprehensive OFDM (Orthogonal Frequency Division Multiplexing) implementation in MATLAB, along with detailed analysis of power spectral density (PSD) characteristics. The code demonstrates key OFDM components including serial-to-parallel conversion, IFFT/FFT operations, cyclic prefix insertion/removal, and QAM modulation/demodulation. The PSD analysis section utilizes periodogram estimation methods to examine frequency domain properties and spectral efficiency. We emphasize simplicity and practicality in our implementation, ensuring clear understanding and straightforward application for communication system development. The program structure includes parameter configuration blocks, signal generation modules, and visualization functions for both time-domain waveforms and frequency-domain spectra, making it suitable for educational and research purposes in digital communications.