Augmented time-delay twin support vector regression-based behavioral modeling for digital predistortion of RF power amplifier
J Xu, W Jiang, L Ma, M Li, Z Yu, Z Geng - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, a dynamic behavioral model for digital predistortion (DPD) of RF power
amplifier (PA) based on amplitude and phase augmented time-delay twin support vector …
amplifier (PA) based on amplitude and phase augmented time-delay twin support vector …
[PDF][PDF] 基于Landweber 迭代算法的欠采样恢复数字预失真技术
蔡天赋， 李明玉， 靳一， 徐常志 - 电子与信息学报, 2021 - jeit.ac.cn
传统宽带数字预失真(DPD) 为了更好地矫正功率放大器(PA) 非线性特性,
通常要求反馈通道带宽达到发送信号带宽的5 倍, 相应地要求更高采样率的模数转换器(ADC) …
通常要求反馈通道带宽达到发送信号带宽的5 倍, 相应地要求更高采样率的模数转换器(ADC) …
An accurate three-input nonlinear model for joint compensation of frequency-dependent I/Q imbalance and power amplifier distortion
Y Yao, Y Jin, M Li, Z Dai, S He - IEEE Access, 2019 - ieeexplore.ieee.org
The analog front of the direct conversion transmitter suffers from the effects of various
unavoidable nonlinearities, such as local oscillator (LO) leakage, power amplifier (PA) …
unavoidable nonlinearities, such as local oscillator (LO) leakage, power amplifier (PA) …
A cost-effective 5-W GaN HEMT power amplifier for sub-6-GHz 5G wireless communications
In this paper, a design method of a compact, low-cost and high-efficiency microwave power
amplifier for using in the 5G wireless communication applications is presented. The …
amplifier for using in the 5G wireless communication applications is presented. The …
Look‐up table method for optimising coupling ratio in broadband sequential power amplifiers
This study reappraises the optimum design parameters for the sequential power amplifier
(SPA) when taking relative phase difference into account. By including the phase …
(SPA) when taking relative phase difference into account. By including the phase …
Development Overview of Sequential Power Amplifiers
L Fan, Y Hongxi, L Xiaoxiao - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Higher order modulation is widely used in modern Communication systems such as OFDM
and CA which lead to high peak to average power ratio (PAPR). It's crucial for radio …
and CA which lead to high peak to average power ratio (PAPR). It's crucial for radio …
Modular design and characterization of a reconfigurable sequential power amplifier
This paper demonstrates a modular design approach for a sequential power amplifier (SPA)
with reconfigurable output power back-off (OPBO) characteristics. The proposed dual-input …
with reconfigurable output power back-off (OPBO) characteristics. The proposed dual-input …
An under-Sampling Restoration Digital Predistortion Technique Based on Landweber Iteration Algorithm
T CAI, M LI, Y JIN, C XU - 电子与信息学报, 2021 - jeit.ac.cn
In order to better correct the nonlinear characteristics of Power Amplifier (PA), conventional
broadband Digital PreDistortion (DPD) requires usually the feedback channel bandwidth to …
broadband Digital PreDistortion (DPD) requires usually the feedback channel bandwidth to …
[PDF][PDF] High efficiency Doherty power amplifier based on asymmetrical matching network
Doherty power amplifier (DPA) with high efficiency at the output power back off is highly
demanded for modern wireless communication systems to achieve high data rates and …
demanded for modern wireless communication systems to achieve high data rates and …
[PDF][PDF] Emerging Wideband RF Power Amplifier Circuit Design
MH Maktoomi - 2020 - rex.libraries.wsu.edu
Balun is a three-port device to convert a single ended signal into the double ended signal
and vice versa. It is mainly used in push-pull amplifier [1]-[11], balanced mixer [12], and …
and vice versa. It is mainly used in push-pull amplifier [1]-[11], balanced mixer [12], and …