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2019-05-31
New Behavior Model and Adaptive Predistortion for Power Amplifiers
By
Progress In Electromagnetics Research C, Vol. 93, 39-48, 2019
Abstract
A three-box model, composed of a triangular memory polynomial, a look-up table, and a cross item among memory times, is proposed for power amplifiers. The model acquired good accuracy and linear effect and reduced the calculation coefficient. Moreover, the paper proposes the GRLS_IVSSLMS adaptive predistortion algorithm. This algorithm is based on the structure of indirect learning. This work uses 16QAM signal to drive a strongly nonlinear Doherty amplifier. Experimental results show that the proposed method is suitable for the adaptive predistortion of power amplifiers.
Citation
Mingming Gao, Yue Wu, Shao-Jun Fang, Jingchang Nan, and Shuyang Cui, "New Behavior Model and Adaptive Predistortion for Power Amplifiers," Progress In Electromagnetics Research C, Vol. 93, 39-48, 2019.
doi:10.2528/PIERC18112802
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