Energy efficiency and satellite networking: A holistic overview

F Alagoz, G Gur - Proceedings of the IEEE, 2011 - ieeexplore.ieee.org
With the increasing need for converged and ubiquitous broadband service support, next-
generation mobile radio technologies are posed to be more efficient in different aspects …

An empirical characterization of stream programs and its implications for language and compiler design

W Thies, S Amarasinghe - … of the 19th international conference on …, 2010 - dl.acm.org
Stream programs represent an important class of high-performance computations. Defined
by their regular processing of sequences of data, stream programs appear most commonly …

A review of memory effects in AlGaN/GaN HEMT based RF PAs

J Pedro, P Tomé, T Cunha, F Barradas… - 2021 IEEE MTT-S …, 2021 - ieeexplore.ieee.org
This work is an overview of the current understanding of memory effects arising from
AlGaN/GaN HEMT based RF power amplifiers. It reviews the most widely accepted physical …

AM/AM and AM/PM distortion generation mechanisms in Si LDMOS and GaN HEMT based RF power amplifiers

LC Nunes, PM Cabral, JC Pedro - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper provides a comprehensive analysis of the AM/AM and AM/PM nonlinear
distortion generation mechanisms arising in the most common RF power amplifier (PA) …

Digital predistortion of LTE-A power amplifiers using compressed-sampling-based unstructured pruning of Volterra series

A Abdelhafiz, A Kwan, O Hammi… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents a method for pruning power amplifier (PA) behavioral models and
digital predistorters based on compressed sampling theory. Using this method, the number …

Aliasing-free digital pulse-width modulation for burst-mode RF transmitters

K Hausmair, S Chi, P Singerl… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Burst-mode operation of power amplifiers (PAs) is a promising concept towards higher
power efficiency in radio frequency (RF) transmitters. Such transmitters use pulse-width …

Preparing linearity and efficiency for 5G: Digital predistortion for dual-band Doherty power amplifiers with mixed-mode carrier aggregation

N Kelly, W Cao, A Zhu - IEEE microwave magazine, 2016 - ieeexplore.ieee.org
As new wireless communication standards seek to meet the myriad demands of today's end
users, the traditional RF transmitter chain is faced with an evolving set of challenges. To …

The Z3RO family of precoders cancelling nonlinear power amplification distortion in large array systems

F Rottenberg, G Callebaut… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Large array systems use a massive number of antenna elements and clever precoder
designs to achieve an array gain at the user location. These precoders require linear front …

Theoretical analysis of nonlinear amplification effects in massive MIMO systems

S Teodoro, A Silva, R Dinis, FM Barradas… - IEEE …, 2019 - ieeexplore.ieee.org
To fulfill 5th Generation (5G) communication capacity demands, the use of a large number of
antennas has been widely investigated, and the array gain and spatial multiplexing that are …

Assessing power amplifier impairments and digital predistortion on radar waveforms for spectral coexistence

A Aubry, V Carotenuto, A De Maio… - … on Aerospace and …, 2021 - ieeexplore.ieee.org
This article deals with the effects of power amplifiers (PAs) on radar waveforms designed to
ensure spectral compatibility with other radio frequency wireless systems cohabitating in the …