The Doherty power amplifier: Review of recent solutions and trends

V Camarchia, M Pirola, R Quaglia, S Jee… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
In this paper, an extensive review of the most up-to-date papers on microwave Doherty
power amplifiers is presented. The main applications are discussed, together with the …

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 …

Concurrent linearization: The state of the art for modeling and linearization of multiband power amplifiers

P Roblin, C Quindroit, N Naraharisetti… - IEEE Microwave …, 2013 - ieeexplore.ieee.org
With the explosive growth of the smartphone and tablet markets, wide bandwidth voice and
data communication have become ubiquitous. Users expect to use their wireless portable …

Green communications: Digital predistortion for wideband RF power amplifiers

L Guan, A Zhu - IEEE Microwave Magazine, 2014 - ieeexplore.ieee.org
The RF PA, as one of the most essential components in any wireless system, suffers from
inherent nonlinearities. The output of a PA must comply with the linearity requirement …

Augmented convolutional neural network for behavioral modeling and digital predistortion of concurrent multiband power amplifiers

P Jaraut, A Abdelhafiz, H Chenini, X Hu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Neural network (NN)-based models are perceived as being accurate models for power
amplifier (PA) behavioral modeling and digital predistortion (DPD) applications. However …

Digital predistortion for concurrent dual-band transmitters using 2-D modified memory polynomials

YJ Liu, W Chen, J Zhou, BH Zhou… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Cross-band modulation effects in the concurrent dual-band transmitters are quite noticeable
for the linearization. This paper proposes a novel two-dimensional modified memory …

A concurrent dual-band uneven Doherty power amplifier with frequency-dependent input power division

W Chen, S Zhang, Y Liu, Y Liu… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
A concurrent dual-band uneven GaN Doherty power amplifier (PA) for two wide-spacing
frequencies application is proposed in this paper. To avoid an early load modulation-drop …

Novel technique for wideband digital predistortion of power amplifiers with an under-sampling ADC

Y Liu, JJ Yan, HT Dabag… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Most conventional wideband digital predistortion (DPD) techniques require the use of a very
high-speed analog-to-digital converter (ADC) in the feedback path. This paper proposes a …

Transmitter architecture for CA: Carrier aggregation in LTE-advanced systems

SA Bassam, W Chen, M Helaoui… - IEEE Microwave …, 2013 - ieeexplore.ieee.org
CA has already found its place in the deployment of 4G wireless networks. It successfully
shows its value as an efficient way to increase the signal bandwidth within the available …

A dual-band dual-output power amplifier for carrier aggregation

T Cappello, A Duh, TW Barton… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper demonstrates a high-efficiency dualband RF power amplifier (PA) for sub-6 GHz
5G carrier aggregation. The dual-band PA is tested with modulated signals generated by a …