BER Simulation of APSK under Gaussian Noise with HPA Amplifier Modeling
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This study conducts BER simulation of APSK modulation under Gaussian noise environment while incorporating HPA amplifiers based on Saleh model. The simulation framework includes MATLAB implementation of constellation mapping, noise injection, and amplifier distortion effects using Saleh's nonlinearity equations. Performance analysis and comparison across multiple parameters (including modulation orders, SNR values, and amplifier nonlinearity coefficients) were systematically conducted, yielding valuable conclusions about system robustness and optimization strategies. The code structure features modular design with separate functions for signal generation, amplifier modeling using amplitude/phase distortion calculations, and BER measurement through Monte Carlo simulations.
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