Matrix factorization techniques in machine learning, signal processing, and statistics

KL Du, MNS Swamy, ZQ Wang, WH Mow - Mathematics, 2023 - mdpi.com
Compressed sensing is an alternative to Shannon/Nyquist sampling for acquiring sparse or
compressible signals. Sparse coding represents a signal as a sparse linear combination of …

Localization via multiple reconfigurable intelligent surfaces equipped with single receive RF chains

GC Alexandropoulos, I Vinieratou… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
The extra degrees of freedom resulting from the consideration of Reconfigurable Intelligent
Surfaces (RISs) for smart signal propagation can be exploited for high accuracy localization …

A sharp condition for exact support recovery with orthogonal matching pursuit

J Wen, Z Zhou, J Wang, X Tang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Support recovery of sparse signals from noisy measurements with orthogonal matching
pursuit (OMP) has been extensively studied. In this paper, we show that for any K-sparse …

Compressed sensing-aided downlink channel training for FDD massive MIMO systems

Y Han, J Lee, DJ Love - IEEE Transactions on Communications, 2017 - ieeexplore.ieee.org
There is much discussion in industry and academia about possible technical solutions to
address the growth in demand for wireless broadband. Massive multiple-input multiple …

An improved RIP-based performance guarantee for sparse signal recovery via orthogonal matching pursuit

LH Chang, JY Wu - IEEE Transactions on Information Theory, 2014 - ieeexplore.ieee.org
A sufficient condition reported very recently for perfect recovery of a K-sparse vector via
orthogonal matching pursuit (OMP) in K iterations (when there is no noise) is that the …

Recovery of sparse signals using multiple orthogonal least squares

J Wang, P Li - IEEE Transactions on Signal Processing, 2016 - ieeexplore.ieee.org
Sparse recovery aims to reconstruct sparse signals from compressed linear measurements.
In this paper, we propose a sparse recovery algorithm called multiple orthogonal least …

A comprehensive survey on effective spectrum sensing in 5G wireless networks through cognitive radio networks

P Ramakrishnan, PT Sivagurunathan… - Journal of Physics …, 2021 - iopscience.iop.org
Spectrum sensing is a challenging issue in cognitive radio network. In particular, wideband
spectrum sensing gains more attention due to emerging 5G wireless networks characterized …

Support recovery with orthogonal matching pursuit in the presence of noise

J Wang - IEEE Transactions on Signal processing, 2015 - ieeexplore.ieee.org
Support recovery of sparse signals from compressed linear measurements is a fundamental
problem in compressed sensing (CS). In this article, we study the orthogonal matching …

Two-stage compressed sensing for millimeter wave channel estimation

Y Han, J Lee - 2016 IEEE International Symposium on …, 2016 - ieeexplore.ieee.org
In millimeter wave (mmWave) communication systems, large antenna arrays are used to
compensate high path loss. While the large array provides high beamforming gain, it also …

On the noise robustness of simultaneous orthogonal matching pursuit

JF Determe, J Louveaux, L Jacques… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, the joint support recovery of several sparse signals whose supports exhibit
similarities is examined. Each sparse signal is acquired using the same noisy linear …