MATLAB Simulation of Digital Predistortion (DPD) Algorithms
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Resource Overview
MATLAB simulation of digital predistortion algorithms, including comprehensive implementations of Volterra series, Saleh model, and polynomial-based approaches. Features doctoral research-grade simulation source code for power amplifier linearization.
Detailed Documentation
During my doctoral research, I developed MATLAB simulations for Digital Predistortion (DPD) algorithms. The implementation includes three fundamental models: Volterra series (capturing memory effects in nonlinear systems), Saleh model (analytical representation of amplifier nonlinearity), and polynomial-based predistortion. The simulation source code provides practical implementations of these algorithms, demonstrating key aspects such as coefficient extraction using least-squares methods, inverse model construction, and linearization performance evaluation. Through systematic analysis of these algorithm implementations, I gained deep insights into DPD principles including nonlinear system modeling, parameter identification techniques, and real-world applications in RF power amplifier linearization for wireless communication systems.
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