Augmented real-valued time-delay neural network for compensation of distortions and impairments in wireless transmitters

D Wang, M Aziz, M Helaoui… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A digital predistorter, modeled by an augmented real-valued time-delay neural network
(ARVTDNN), has been proposed and found suitable to mitigate the nonlinear distortions of …

Block-oriented time-delay neural network behavioral model for digital predistortion of RF power amplifiers

C Jiang, H Li, W Qiao, G Yang, Q Liu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A novel block-oriented time-delay neural network (BOTDNN) model for dynamic nonlinear
modeling and digital predistortion (DPD) of RF power amplifiers (PAs) is proposed. The …

Three-layered biased memory polynomial for dynamic modeling and predistortion of transmitters with memory

M Rawat, FM Ghannouchi… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper proposes a new three-layered biased memory polynomial for behavioral
modeling and digital predistortion of highly nonlinear transmitters/power amplifiers (PAs) for …

A digital predistortion system with extended correction bandwidth with application to LTE-A nonlinear power amplifiers

O Hammi, A Kwan, S Bensmida… - … on Circuits and …, 2014 - ieeexplore.ieee.org
This article presents a bandwidth extended digital predistortion system suitable for LTE-
advanced applications. The proposed predistortion system uses a two-box architecture …

On the modeling and linearization of a concurrent dual-band transmitter exhibiting nonlinear distortion and hardware impairments

M Younes, FM Ghannouchi - IEEE Transactions on Circuits and …, 2013 - ieeexplore.ieee.org
This paper proposes a novel, complexity-reduced, dual-input, two-box model for the
modeling and digital predistortion of a dual-band power amplifier (PA) in the presence of in …

使用多智能体反馈神经网络实现的数字预失真器.

杨旸, 刘畅, 李凯, 李阳, 孙芳蕾… - Journal of Signal …, 2023 - search.ebscohost.com
近年来, 深度学习(Deep Learning, DL) 在通信场景中的应用逐渐兴起, 其中就包括射频发射机的
数字预失真(Digital Predistortion, DPD) 处理. 然而, 由于射频功率放大器(Power Amplifier, PA) …

Delta-Sigma modulator-embedded digital predistortion for 5G transmitter linearization

M Othmani, N Boulejfen, A Brihuega… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article presents two novel digital predistortion (DPD) based architectures that jointly
mitigate the inphase/quadrature (IQ) modulator impairments and the power amplifier (PA) …

Microwave characteristics of an independently biased 3-stack InGaP/GaAs HBT configuration

MD Luong, R Ishikawa, Y Takayama… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper investigates various important microwave characteristics of an independently
biased 3-stack InGaP/GaAs heterojunction bipolar transistor (HBT) monolithic microwave …

Power amplifier linearisation using digital predistortion and multi‐port techniques

MR Beikmirza, A Mohammadi… - IET Science …, 2016 - Wiley Online Library
Power amplifiers are essential components in communication systems and are inherently
non‐linear. The non‐linearity creates spectral growth (broadening) beyond the signal …

Digital baseband modeling and correction of radio frequency power amplifiers

P Landin - 2012 - diva-portal.org
Aspects related to behavioral modeling and correction of distortions for radio frequency (RF)
power amplifiers (PAs) are treated in the thesis. When evaluating the performance of a …