Building a Fundamental OFDM Platform with Matlab Implementation

Based on the working principles of OFDM, we can implement the platform construction and system performance verification through the following enhanced steps: 1. Utilizing MATLAB programming within the Optiwave software environment to generate modular components, establishing a fundamental OFDM platform. The implementation involves creating MATLAB functions for signal generation, IFFT/FFT operations, and cyclic prefix insertion/removal to form the core processing chain. 2. Developing OFDM modulation and demodulation functional modules to ensure proper signal processing. The modulator implements subcarrier mapping, inverse fast Fourier transform (IFFT), and parallel-to-serial conversion, while the demodulator performs synchronized FFT operations and constellation demapping with error correction algorithms. 3. Constructing a fiber-optic communication system operating at 2.5 G/s transmission rate over 50 km distance to simulate practical application scenarios. This includes coding optical interface protocols, dispersion compensation algorithms, and power control mechanisms to maintain signal integrity. 4. Employing bit error rate testers and oscilloscopes integrated with MATLAB analysis scripts to evaluate system performance. The testing protocol incorporates automated BER calculation functions, eye diagram analysis, and signal-to-noise ratio measurements to verify system reliability and stability. Through these comprehensive steps, we can validate OFDM platform functionality and performance metrics, enabling further optimization and improvement through iterative code refinement and parameter adjustment.