Cognitive radio techniques under practical imperfections: A survey

SK Sharma, TE Bogale, S Chatzinotas… - … Surveys & Tutorials, 2015 - ieeexplore.ieee.org
Cognitive radio (CR) has been considered as a potential candidate for addressing the
spectrum scarcity problem of future wireless networks. Since its conception, several …

Cyclostationarity: New trends and applications

A Napolitano - Signal processing, 2016 - Elsevier
A concise survey of the literature on cyclostationarity of the last 10 years is presented and an
extensive bibliography included. The problems of statistical function estimation, signal …

Spectrum sensing based on deep learning classification for cognitive radios

S Zheng, S Chen, P Qi, H Zhou… - China …, 2020 - ieeexplore.ieee.org
Spectrum sensing is a key technology for cognitive radios. We present spectrum sensing as
a classification problem and propose a sensing method based on deep learning …

Spectrum sensing in cognitive radio: A deep learning based model

H **ng, H Qin, S Luo, P Dai, L Xu… - Transactions on …, 2022 - Wiley Online Library
Spectrum sensing is an efficient technology for addressing the shortage of spectrum
resources. Widely used methods usually employ model‐based features as the test statistics …

Applications of robust statistics for cyclostationarity detection in non-Gaussian signals for local damage detection in bearings

W Żuławiński, J Antoni, R Zimroz… - Mechanical Systems and …, 2024 - Elsevier
Signals with periodic characteristics are ubiquitous in real-world applications. One of these
areas is condition monitoring, where the vibration signals from rotating machines naturally …

Cyclic feature detection with sub-Nyquist sampling for wideband spectrum sensing

Z Tian, Y Tafesse, BM Sadler - IEEE Journal of Selected topics …, 2011 - ieeexplore.ieee.org
For cognitive radio networks, efficient and robust spectrum sensing is a crucial enabling step
for dynamic spectrum access. Cognitive radios need to not only rapidly identify spectrum …

Informative frequency band selection in the presence of non-Gaussian noise–a novel approach based on the conditional variance statistic with application to bearing …

J Hebda-Sobkowicz, R Zimroz, M Pitera… - … Systems and Signal …, 2020 - Elsevier
In this paper a novel approach to local damage detection in the presence of non-Gaussian
impulsive noise is introduced. The proposed approach is applied to bearing damage …

[HTML][HTML] Selection of the informative frequency band in a bearing fault diagnosis in the presence of non-gaussian noise—comparison of recently developed methods

J Hebda-Sobkowicz, R Zimroz, A Wyłomańska - Applied Sciences, 2020 - mdpi.com
The vibration signals acquired on machines usually have complex spectral structure. As the
signal of interest (SOI) is weak (especially at an early stage of damage) and covers some …

CS2 analysis in presence of non-Gaussian background noise–Effect on traditional estimators and resilience of log-envelope indicators

P Borghesani, J Antoni - Mechanical Systems and Signal Processing, 2017 - Elsevier
Abstract Second-order cyclostationary (CS2) analysis has become popular in the field of
machine diagnostics and a series of digital signal processing techniques have been …

VSLM: Virtual Signal Large Model for Few-Shot Wideband Signal Detection and Recognition

X Hao, S Yang, R Liu, Z Feng, T Peng… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Most existing wideband signal detection and recognition (WSDR) methods rely on diverse,
large-scale, and well-labeled training data, which are often difficult to obtain in practical …