Distributed spatiotemporal neural network for nonlinear dynamic transmitter modeling and adaptive digital predistortion

M Rawat, FM Ghannouchi - IEEE transactions on …, 2011 - ieeexplore.ieee.org
This paper presents an adaptive neural network (NN) approach for the behavioral modeling
of wireless transmitters exhibiting dynamic nonlinearities that are mainly caused by the …

Generalized rational functions for reduced-complexity behavioral modeling and digital predistortion of broadband wireless transmitters

M Rawat, K Rawat, FM Ghannouchi… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
In this paper, we present and analyze rational-function-based digital predistortion (DPD) of
transmitters for broadband applications where system noise and prominent memory effects …

Characterization of concurrent dual-band power amplifiers using a dual two-tone excitation signal

S Amin, W Van Moer, P Händel… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A method to characterize the memory effects in a nonlinear concurrent dual-band transmitter
is presented. It is an extension of the conventional two-tone test for power amplifiers to …

A parameter‐reduced Volterra model for dynamic RF power amplifier modeling based on orthonormal basis functions

M Isaksson, D Rönnow - … of RF and Microwave Computer‐Aided …, 2007 - Wiley Online Library
A nonlinear dynamic behavioral model for radio frequency power amplifiers is presented. It
uses orthonormal basis functions, Kautz functions, with complex poles that are different for …

Measurement and Analysis of Frequency-Domain Volterra Kernels of Nonlinear Dynamic MIMO Systems

M Alizadeh, S Amin, D Rönnow - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) frequency-domain Volterra kernels of nonlinear order
3 are experimentally determined in bandwidth-limited frequency regions. How the effect of …

Power amplifiers' model assessment and memory effects intensity quantification using memoryless post-compensation technique

O Hammi, S Carichner, B Vassilakis… - IEEE Transactions …, 2008 - ieeexplore.ieee.org
A novel approach for power amplifiers static nonlinearity characterization in the presence of
memory effects is presented. A subsampling technique is used to reduce the bandwidth of …

[HTML][HTML] A two-tone test for characterizing nonlinear dynamic effects of radio frequency amplifiers in different amplitude regions

M Alizadeh, D Rönnow - Measurement, 2016 - Elsevier
A new two-tone test method for radio frequency power amplifiers is presented. The test
signal is a two-tone probing-signal superimposed on large-signals of different amplitude …

Linearization of Intermodulation Distortion Using a Derivative Extended Model and Three-Tone Signal Identification

S Dubois, B Lelong, JM Hodé, G Ferré… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article deals with the linearization of a radio frequency (RF) receiver chain through
digital processing. An extension of a state-of-the-art distortion model is proposed, based on …

Application of principal component analysis based effective digital predistortion technique for low‐cost FPGA implementation

P Jaraut, M Rawat - International Journal of RF and Microwave …, 2017 - Wiley Online Library
This article investigates the issue of low‐cost digital predistortion (DPD) implementation in
fixed‐point field programmable gate array (FPGA) by considering the bit‐resolution along …

Multitone multiharmonic scattering parameters for the characterization of nonlinear networks

GP Gibiino, AM Angelotti, A Santarelli… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
This work describes a generalized multitone multiharmonic scattering parameters (M2S-
parameters) measurement approach suitable for multiport nonlinear network …