一种用于线性化具有记忆效应的射频功率放大器的递归数字预失真器

2006 Asia-Pacific Microwave Conference Pub Date : 2006-12-01 DOI:10.1109/APMC.2006.4429588

P. Gilabert, G. Montoro, A. Cesari

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引用次数: 16

摘要

提出了一种补偿射频功率放大器非线性记忆效应的非线性自回归移动平均(ARMA)结构。给出了该基带数字预失真器在带内和带外失真补偿方面的线性度改善结果。此外，本文还对该非线性ARMA系统的稳定性进行了研究。

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A recursive digital predistorter for linearizing RF power amplifiers with memory effects

A nonlinear auto-regressive moving average (ARMA) structure capable of compensating nonlinear memory effects in RF power amplifiers is here presented. Results on the linearity improvement, in both in-band and out-of-band distortion compensation, achieved by this baseband digital predistorter are provided. Moreover, a study on this nonlinear ARMA system stability is also reported.

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2006 Asia-Pacific Microwave Conference

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