Extension of Wirtinger's calculus to reproducing kernel Hilbert spaces and the complex kernel LMS

P Bouboulis, S Theodoridis - IEEE Transactions on Signal …, 2010 - ieeexplore.ieee.org
Over the last decade, kernel methods for nonlinear processing have successfully been used
in the machine learning community. The primary mathematical tool employed in these …

Adaptive learning in complex reproducing kernel Hilbert spaces employing Wirtinger's subgradients

P Bouboulis, K Slavakis… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
This paper presents a wide framework for non-linear online supervised learning tasks in the
context of complex valued signal processing. The (complex) input data are mapped into a …

Wirtinger's calculus in general Hilbert spaces

P Bouboulis - arXiv preprint arXiv:1005.5170, 2010 - arxiv.org
The present report, has been inspired by the need of the author and its colleagues to
understand the underlying theory of Wirtinger's Calculus and to further extend it to include …

Robust Capon beamforming exploiting the second-order noncircularity of signals

F Wen, Q Wan, H Wei, R Fan, Y Luo - Signal processing, 2014 - Elsevier
This paper extends the worst-case performance optimization based robust Capon
beamformer (RCB) to the generalized case with possible noncircular signal-of-interest (SOI) …

The complex Gaussian kernel LMS algorithm

P Bouboulis, S Theodoridis - International Conference on Artificial Neural …, 2010 - Springer
Although the real reproducing kernels are used in an increasing number of machine
learning problems, complex kernels have not, yet, been used, in spite of their potential …

A hybrid model-based and learning-based approach for classification using limited number of training samples

A Nooraiepour, WU Bajwa… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
The fundamental task of classification given a limited number of training data samples is
considered for physicalsystems with known parametric statistical models. The standalone …

Joint blind channel shortening and compensation of transmitter I/Q imbalances and CFOs for uplink SC-IFDMA systems

D Darsena, G Gelli, F Verde - Physical Communication, 2014 - Elsevier
This paper deals with receiver design for the uplink of a single-carrier interleaved frequency-
division multiple-access (SC-IFDMA) system, which is a promising candidate for non …

Hyphylearn: A domain adaptation-inspired approach to classification using limited number of training samples

A Nooraiepour, WU Bajwa… - 2021 IEEE 31st …, 2021 - ieeexplore.ieee.org
The fundamental task of classification given a limited number of training data samples is
considered for physical systems with known parametric statistical models. As a solution, a …

Impulse noise mitigation for MIMO-OFDM wireless networks with linear equalization

D Darsena, G Gelli, F Melito, F Verde… - … on Measurements & …, 2013 - ieeexplore.ieee.org
This paper considers a multiple-input multiple-output (MIMO) orthogonal frequency-division
multiplexing (OFDM) wireless network contaminated by Middleton Class A impulsive noise …

Smoothing term based noise correlation matrix construction for MIMO-OFDM wireless networks for impulse noise mitigation

SP Girija, KD Rao - TENCON 2015-2015 IEEE Region 10 …, 2015 - ieeexplore.ieee.org
In wireless systems noise mitigation is a significant factor for competent working. Impulsive
noise is one of the most important sources of performance degradation in wireless systems …