A general digital predistortion architecture using constrained feedback bandwidth for wideband power amplifiers
Y Liu, W Pan, S Shao, Y Tang - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Digital predistortion (DPD) is one of the most effective techniques to mitigate the distortions
caused by power amplifier (PA) nonlinearity and memory effects. As the input signal …
caused by power amplifier (PA) nonlinearity and memory effects. As the input signal …
Low feedback sampling rate digital predistortion for wideband wireless transmitters
Z Wang, W Chen, G Su, FM Ghannouchi… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
A novel digital predistortion (DPD) with an ultralow feedback sampling rate is proposed for
wideband wireless communications. Analytical groundwork is carried out to support the …
wideband wireless communications. Analytical groundwork is carried out to support the …
Overview of evolutionary algorithms and neural networks for modern mobile communication
The sixth generation (6G) of mobile networks must support the huge growth of mobile
connections and provides various intelligent services in future mobile networks. For that …
connections and provides various intelligent services in future mobile networks. For that …
Closed-loop digital predistortion (DPD) using an observation path with limited bandwidth
RN Braithwaite - IEEE Transactions on Microwave Theory and …, 2015 - ieeexplore.ieee.org
This paper shows that digital predistortion (DPD) used to linearize an RF power amplifier
(PA) can achieve wide bandwidth distortion cancellation using measurements obtained from …
(PA) can achieve wide bandwidth distortion cancellation using measurements obtained from …
[PDF][PDF] 基于循环平稳特性的欠采样宽带数字预失真研究
兰榕, 胡欣, 邹峰, 王刚, 罗积润 - 电子与信息学报, 2020 - jeit.ac.cn
兰榕①② 胡欣③ 邹峰① 王刚① 罗积润* ① ① (中国科学院电子学研究所北京100190) ②
(中国科学院大学北京100049) ③ (北京邮电大学北京100876) 摘要: 为了解决行波管(TWT) …
(中国科学院大学北京100049) ③ (北京邮电大学北京100876) 摘要: 为了解决行波管(TWT) …
Low-feedback sampling rate digital predistortion using deep neural network for wideband wireless transmitters
X Hu, Z Liu, W Wang, M Helaoui… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, a low-feedback-sampling-rate digital predistortion (DPD) method is proposed
for wideband wireless transmitters and radio-frequency power amplifiers (PAs). This DPD …
for wideband wireless transmitters and radio-frequency power amplifiers (PAs). This DPD …
[HTML][HTML] Blind Compensation of I/Q Impairments in Wireless Transceivers
The majority of techniques that deal with the mitigation of in-phase and quadrature-phase
(I/Q) imbalance at the transmitter (pre-compensation) require long training sequences …
(I/Q) imbalance at the transmitter (pre-compensation) require long training sequences …
Under-sampling digital predistortion of power amplifier using multi-tone mixing feedback technique
An under-sampling digital predistortion based on a multi-tone mixing feedback technique
(MTM-DPD) is presented in this article. In contrast to the under-sampling digital predistortion …
(MTM-DPD) is presented in this article. In contrast to the under-sampling digital predistortion …
[PDF][PDF] 功放数字预失真线性化技术发展趋势与挑战
刘昕, 陈文华, 吴汇波, 冯正和 - Inform, 2022 - chenweixiang.github.io
摘要射频功率放大器是发射机的核心器件之一, 它在提供高效率的同时也成为了发射机非线性
失真的主要来源. 因此, 发射机往往采用额外的功放线性化技术以兼顾效率和线性度, 其中 …
失真的主要来源. 因此, 发射机往往采用额外的功放线性化技术以兼顾效率和线性度, 其中 …
Modified indirect learning applied to neural network-based pre-distortion of a concurrent dual-band CMOS power amplifier
L Schuartz, LBC Freire, AT Hara, AA Mariano… - … Integrated Circuits and …, 2021 - Springer
Current radio communication systems that adopt amplitude and phase modulations demand
high linearity and high efficiency. The cascade connection between digital baseband pre …
high linearity and high efficiency. The cascade connection between digital baseband pre …