Ten years of research in spectrum sensing and sharing in cognitive radio

L Lu, X Zhou, U Onunkwo, GY Li - EURASIP journal on wireless …, 2012 - Springer
Cognitive radio (CR) can successfully deal with the growing demand and scarcity of the
wireless spectrum. To exploit limited spectrum efficiently, CR technology allows unlicensed …

Deep neural networks for spectrum sensing: a review

SN Syed, PI Lazaridis, FA Khan, QZ Ahmed… - IEEE …, 2023 - ieeexplore.ieee.org
As we advance towards 6G communication systems, the number of network devices
continues to increase resulting in spectrum scarcity. With the help of Spectrum Sensing (SS) …

A machine learning-enabled spectrum sensing method for OFDM systems

J Tian, P Cheng, Z Chen, M Li, H Hu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper addresses the spectrum sensing problem in an orthogonal frequency-division
multiplexing (OFDM) system based on machine learning. To adapt to signal-to-noise ratio …

A survey on machine learning algorithms for applications in cognitive radio networks

A Upadhye, P Saravanan, SS Chandra… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
In this paper, we present a survey on the utility of machine learning (ML) algorithms for
applications in cognitive radio networks (CRN). We start with a high-level overview of some …

A survey on the energy detection of OFDM signals with dynamic threshold adaptation: Open Issues and Future Challenges

J Lorincz, I Ramljak, D Begušić - Sensors, 2021 - mdpi.com
Cognitive radio (CR), as a concept based on the ability to detect and share the unutilised
spectrum, has been envisioned as a promising candidate to improve the efficiency of …

History based forward and feedback mechanism in cooperative spectrum sensing including malicious users in cognitive radio network

N Gul, IM Qureshi, A Omar, A Elahi, S Khan - PloS one, 2017 - journals.plos.org
In cognitive radio communication, spectrum sensing plays a vital role in sensing the
existence of the primary user (PU). The sensing performance is badly affected by fading and …

Spectrum sensing for OFDM signals using pilot induced auto-correlations

Y Zeng, YC Liang, TH Pham - IEEE journal on selected areas …, 2013 - ieeexplore.ieee.org
Orthogonal frequency division multiplex (OFDM) has been widely used in various wireless
communications systems. Thus the detection of OFDM signals is of significant importance in …

A review of the noise uncertainty impact on energy detection with different OFDM system designs

J Lorincz, I Ramljak, D Begušić - Computer Communications, 2019 - Elsevier
Cognitive radio networks (CRN) based on spectrum sensing represent intelligent wireless
communication technology dedicated to a more efficient exploitation of the available …

A fast spectrum sensing for CP-OFDM cognitive radio based on adaptive thresholding

K Berbra, M Barkat, F Gini, M Greco, P Stinco - Signal Processing, 2016 - Elsevier
Recently, cyclostationarity (CS) based detection methods exploiting the autocorrelation
periodicity property of the orthogonal frequency division multiplexing (OFDM) signals …

Spectrum sensing of OFDM signals over multipath fading channels and practical considerations for cognitive radios

WL Chin, CW Kao, Y Qian - IEEE Sensors Journal, 2016 - ieeexplore.ieee.org
Despite the promising role of orthogonal frequency-division multiplexing (OFDM) in
communication systems, the spectrum sensing of OFDM signals and its practical …