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Simulation of Baseband Adaptable Predistortion System Based on Look-Up Table

Xiangran Sun

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Abstract

In this paper,a nonlinear predistortion system for high power amplifier is developed.The system is based on a complex gain Look-Up table to predistort baseband digital signal,and achieves adaptation with feedback signals.Simulation results on Matlab show that the system converges fast and compensates the nonlinear distortion both on magnitude and phase of high power amplifier efficiently.

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What this paper is about

In this paper,a nonlinear predistortion system for high power amplifier is developed.The system is based on a complex gain Look-Up table to predistort baseband digital signal,and achieves adaptation with feedback signals.Simulation results on Matlab show that the system converges fast and compensates the nonlinear distortion both on magnitude and phase of high power amplifier efficiently.

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Available abstract

In this paper,a nonlinear predistortion system for high power amplifier is developed.The system is based on a complex gain Look-Up table to predistort baseband digital signal,and achieves adaptation with feedback signals.Simulation results on Matlab show that the system converges fast and compensates the nonlinear distortion both on magnitude and phase of high power amplifier efficiently.

Key concepts: Predistortion, Baseband, Amplifier, Computer science, Nonlinear distortion, Distortion (music), Electronic engineering, SIGNAL (programming language)

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