Kalman Filter Algorithm for Adaptive Digital Predistortion

Xiao Wei Kong; Jin Zheng Li; Wei Xia; Zi Shu  He

doi:10.4028/www.scientific.net/AMM.347-350.2385

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 347-350Kalman Filter Algorithm for Adaptive Digital...

Kalman Filter Algorithm for Adaptive Digital Predistortion

Abstract:

This paper introduces a recursive algorithm of Kalman filter for digital predistorter parameters extraction based on memory polynomials predistorter model. The predistorter model is firstly formulated as linear regression expression. Then we derive the state-space equation of the model and attain the steps of the algorithm. Finally, the accuracy and stability of the algorithm is proved by simulation.

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Applied Mechanics and Materials (Volumes 347-350)

Pages:

2385-2389

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.347-350.2385

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Online since:

August 2013

Authors:

Xiao Wei Kong, Jin Zheng Li, Wei Xia, Zi Shu He

Keywords:

Digital Predistorter, Kalman Filter (KF), LMS, Memory-Polynomials Model, State-Space Equation

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