[HTML][HTML] Towards enhanced mobile broadband communications: A tutorial on enabling technologies, design considerations, and prospects of 5G and beyond fixed …

IA Alimi, RK Patel, NJ Muga, AN Pinto, AL Teixeira… - Applied Sciences, 2021 - mdpi.com
There has been a growing interconnection across the world owing to various multimedia
applications and services. Fixed wireless access (FWA) is an attractive wireless solution for …

Behavioral modeling and predistortion

FM Ghannouchi, O Hammi - IEEE Microwave magazine, 2009 - ieeexplore.ieee.org
In this article, a thorough overview of behavioral modeling and predistortion of dynamic
nonlinearities in RF PAs and transmitters was presented. The sensitivity of the DUT behavior …

[HTML][HTML] High efficiency power amplifiers for modern mobile communications: The load-modulation approach

C Ramella, A Piacibello, R Quaglia, V Camarchia… - Electronics, 2017 - mdpi.com
Modern mobile communication signals require power amplifiers able to maintain very high
efficiency in a wide range of output power levels, which is a major issue for classical power …

Band-limited Volterra series-based digital predistortion for wideband RF power amplifiers

C Yu, L Guan, E Zhu, A Zhu - IEEE Transactions on Microwave …, 2012 - ieeexplore.ieee.org
The continuously increasing demand for wide bandwidth creates great difficulties in
employing digital predistortion (DPD) for radio frequency (RF) power amplifiers (PAs) in …

Design and linearization of concurrent dual-band Doherty power amplifier with frequency-dependent power ranges

W Chen, SA Bassam, X Li, Y Liu… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
A design methodology for a concurrent dual-band Doherty power amplifier (PA) with
frequency-dependent backoff power ranges is presented in this paper. Based on a dual …

The linearity-efficiency compromise

PM Lavrador, TR Cunha, PM Cabral… - IEEE Microwave …, 2010 - ieeexplore.ieee.org
The demand on telecom operators for new services and increased data rates has created
difficult requirements for the signal-to-noise-and-distortion ratio of wireless systems …

Optimized low-complexity implementation of least squares based model extraction for digital predistortion of RF power amplifiers

L Guan, A Zhu - IEEE Transactions on Microwave Theory and …, 2012 - ieeexplore.ieee.org
Least squares (LS) estimation is widely used in model extraction of digital predistortion for
RF power amplifiers. In order to reduce computational complexity and implementation cost, it …

Digital Doherty amplifier with enhanced efficiency and extended range

R Darraji, FM Ghannouchi - IEEE Transactions on Microwave …, 2011 - ieeexplore.ieee.org
In this paper, a digital Doherty power amplifier (PA) with improved efficiency performance
over a wide power range is proposed. The efficiency enhancement is achieved by using a …

High-efficiency GaN Doherty power amplifier for 100-MHz LTE-advanced application based on modified load modulation network

J Xia, X Zhu, L Zhang, J Zhai… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a high-efficiency GaN Doherty power amplifier (PA) with 100-MHz
instantaneous bandwidth for 3.5-GHz long-term-evolution (LTE)-advanced application. A …

OCDM with Index Modulation for Autonomous Underwater Vehicles Communication

Z Jia, R Zhang, Z Chen, F Yuan - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Autonomous underwater vehicles (AUVs) equipped with acoustic modems are currently one
of the important means of obtaining underwater environment data such as sounds and …