Behavioral modeling and linearization of wideband RF power amplifiers using BiLSTM networks for 5G wireless systems

J Sun, W Shi, Z Yang, J Yang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Characterization and linearization of RF power amplifiers (PAs) are key issues of fifth-
generation wireless communication systems, especially when high peak-to-average ratio …

An artificial neural network-based electrothermal model for GaN HEMTs with dynamic trapping effects consideration

AD Huang, Z Zhong, W Wu… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A complete solution from parameter extraction to large-signal electrothermal model
generation for gallium nitride (GaN) HEMTs is presented in this paper with the consideration …

Review of RF Device Behavior Model: Measurement Techniques, Applications, and Challenges

H Li, J Su, R Wang, Z Liu, M Xu - Micromachines, 2023 - mdpi.com
This review presents a concise overview of RF (radio frequency) power transistor behavior
models, which is crucial for optimizing RF performance in high-frequency applications like …

Future device modeling trends

DE Root - IEEE Microwave Magazine, 2012 - ieeexplore.ieee.org
Good transistor models are essential for efficient computer-aided-design (CAD) of nonlinear
microwave and RF circuits, monolithic microwave integrated circuits (MMICs), power …

Behavioral modeling of GaN FETs: A load-line approach

A Raffo, G Bosi, V Vadalà… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper, a new model formulation is presented that correctly accounts for low-frequency
dispersion (ie, trapping and thermal phenomena) affecting field-effect transistors (FETs). In …

A new modeling technique for microwave multicell transistors based on EM simulations

A Raffo, V Vadalà, H Yamamoto… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Dealing with high-power operation (ie,> 100 W) is extremely critical to power-amplifier
designers due to the lack of accurate transistor models of multicell (ie, powerbar) devices …

On the Extraction of Accurate Non-Quasi-Static Transistor Models for -Band Amplifier Design: Learning From the Past

V Vadalà, A Raffo, A Colzani… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In this article, a non-quasi-static (NQS) nonlinear transistor model oriented to-band power
amplifier (PA) design is discussed. A new formulation that describes the millimeter-wave …

The large world of FET small‐signal equivalent circuits

G Crupi, A Caddemi, DMMP Schreurs… - … Journal of RF and …, 2016 - Wiley Online Library
The small‐signal equivalent circuit modeling of microwave field‐effect transistors (FETs) is
an evergreen and ever flourishing research field that has to be up‐to‐date with …

Adaptive deep learning aided digital predistorter considering dynamic envelope

J Sun, J Wang, L Guo, J Yang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Memory effects of radio frequency power amplifiers (PAs) can interact with dynamic
transmitting signals, dynamic operations, and dynamic environment, resulting in complicated …

An evolutionary multilayer perceptron-based large-signal model of GaN HEMTs including self-heating and trapping effects

W Hu, YX Guo - IEEE Transactions on Microwave Theory and …, 2021 - ieeexplore.ieee.org
Neural networks are widely used to build large-signal models; an appropriate network
architecture is important for high model accuracy and good generalization ability. In this …