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2011 | OriginalPaper | Buchkapitel

19. Stability Enhancement of Digital Predistortion Through Stationary Iterative Methods to Solve System of Equations

verfasst von : Xin Yu, Georg Fischer, Andreas Pascht

Erschienen in: Electromagnetics and Network Theory and their Microwave Technology Applications

Verlag: Springer Berlin Heidelberg

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Abstract

The power amplifiers are an inherently nonlinear component in wireless communication systems. Therefore linearization techniques are utilized to compensate these nonlinear effects of power amplifiers. In this chapter the stability of digital predistortion based on an indirect learning architecture is investigated. The first-order and second-order iterative methods are addressed in this chapter to solve the system of equations for a digital predistortion system to improve the numerical stability without degradation of the digital predistortion performance concerning reduction of ACP and EVM. The key advantage of iterative methods is that only matrix-vector multiplications and vector additions are performed by solving the system of equations.

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Metadaten
Titel
Stability Enhancement of Digital Predistortion Through Stationary Iterative Methods to Solve System of Equations
verfasst von
Xin Yu
Georg Fischer
Andreas Pascht
Copyright-Jahr
2011
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-18375-1_19

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