Robust behavioral modeling of dynamic nonlinearities using Gegenbauer polynomials with application to RF power amplifiers

Afef Harguem; Noureddine Boulejfen; Fadhel M. Ghannouchi; Ali Gharsallah

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Robust behavioral modeling of dynamic nonlinearities using Gegenbauer polynomials with application to RF power amplifiers

机译：使用Gegenbauer多项式的动态非线性鲁棒行为建模及其在RF功率放大器中的应用

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摘要

In this article, we propose a new set of basis functions based on Gegenbauer polynomials suitable for robust behavioral modeling of nonlinear dynamic systems. These polynomials can be optimized for maximum model identification stability under different input signal distributions. The efficiency and robustness of the proposed polynomial models are demonstrated and compared to the ones of previously published models. The obtained results revealed an exceptional numerical stability regardless of the input signal statistics, making the proposed new models suitable for multimode and broadband nonlinear wireless transmitters. © 2013 Wiley Periodicals, Inc. Int J RF and Microwave CAE 24:268–279, 2014.

机译：在本文中，我们提出了一套基于Gegenbauer多项式的基础函数，适用于非线性动力学系统的鲁棒行为建模。可以优化这些多项式，以在不同输入信号分布下实现最大的模型识别稳定性。证明了所提出的多项式模型的效率和鲁棒性，并与先前发布的模型进行了比较。无论输入信号统计如何，所获得的结果均显示出出色的数值稳定性，从而使所提出的新模型适用于多模和宽带非线性无线发射机。 ©2013 Wiley Periodicals，Inc. Int J RF和Microwave CAE 24：268–279，2014年。

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来源
《International journal of RF and microwave computer-aided engineering》 |2014年第2期|1-12|共12页
作者
Afef Harguem; Noureddine Boulejfen; Fadhel M. Ghannouchi; Ali Gharsallah;
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作者单位

1.DÉpartement de Physique FacultÉ des Sciences de Tunis UniversitÉ El-Manar Tunis Tunisia 2.Department of Electrical and Computer Engineering iRadio Laboratory Schulich School of Engineering University of Calgary Calgary AB Canada;

2.Department of Electrical and Computer Engineering iRadio Laboratory Schulich School of Engineering University of Calgary Calgary AB Canada 3.Institut SupÉrieure des Sciences AppliquÉes et de Technologie UniversitÉ de Kairouan Kairouan Tunisia;

3.Institut SupÉrieure des Sciences AppliquÉes et de Technologie UniversitÉ de Kairouan Kairouan Tunisia;

1.DÉpartement de Physique FacultÉ des Sciences de Tunis UniversitÉ El-Manar Tunis Tunisia;

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正文语种 eng
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关键词
distortion power; complex nonlinearity; intermodulation distortion; memory effects; multitone excitation; power series; spectral regrowth;

机译：畸变功率;复杂非线性;互调畸变;记忆效应;多音激励;功率序列;谱长;

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专利

1. Spectral analysis of polynomial nonlinearity with applications to RF power amplifiers [J] . Zhou GT, Raich R EURASIP journal on applied signal processing . 2004,第12期

机译：多项式非线性的频谱分析及其在射频功率放大器中的应用
2. Spectral Analysis of Polynomial Nonlinearity with Applications to RF Power Amplifiers [J] . G. Tong Zhou, Raviv Raich EURASIP journal on advances in signal processing . 2004,第12期

机译：多项式非线性的频谱分析及其在射频功率放大器中的应用
3. Incorporation of Cross-Terms in Memory Polynomial Using Evolutionary Algorithm for Accurate Behavioral Modeling of RF Power Amplifiers [J] . Yuan X., Feng Q., Zhou L. Microwave and Wireless Components Letters, IEEE . 2014,第11期

机译：使用进化算法将交叉项合并到存储器多项式中，以对射频功率放大器进行精确的行为建模
4. Sparse Identification of Memory Effects and Nonlinear Dynamics for Developing Parsimonious Behavioral Models of RF Power Amplifiers [C] . R V Sanjika Devi, Dhanesh G. Kurup IEEE MTT-S International Microwave and RF Conference . 2017

机译：开发射频功率放大器的简约行为模型的记忆效应和非线性动力学的稀疏识别
5. RF power amplifier behavioral modeling and predistortion using polynomial functions. [D] . Abdelrahman, Abdalla Ebrahim Said. 2013

机译：射频功率放大器的行为建模和使用多项式函数的预失真。
6. Augmented Twin-Nonlinear Two-Box Behavioral Models for Multicarrier LTE Power Amplifiers [O] . Oualid Hammi -1

机译：多载波LTE功率放大器的增强双非线性两箱行为模型
7. Spectral Analysis of Polynomial Nonlinearity with Applications to RF Power Amplifiers [O] . Zhou G Tong, Raich Raviv 2004

机译：多项式非线性的频谱分析及其在射频功率放大器中的应用

Robust behavioral modeling of dynamic nonlinearities using Gegenbauer polynomials with application to RF power amplifiers

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