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Digital Predistorter Implementation for Wideband Power Amplifiers in New Generation Wireless Systems Based on a Low‐Complexity Volterra Series Model

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Implementation reveals significant improvements in modeling accuracy for power amplifiers, suggesting low-complexity methods can enhance performance.

The modified SVS model achieves a 60% reduction in computational cost while maintaining accuracy.
Experimental results demonstrate a modeling accuracy of -37 dB NMSE, significantly improving linearization.
The digital predistortion architecture applies to a 25 W Gallium Nitride RF power amplifier, enhancing its performance.
Long Term Evolution signals result in a 14 dB reduction in out-of-band distortion, indicating improved signal fidelity.

Rezgui et al. (2025) studied this question.

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Implementation reveals significant improvements in modeling accuracy for power amplifiers, suggesting low-complexity methods can enhance performance.