Intelligent spectrum sensing: An unsupervised learning approach based on dimensionality reduction

NA Khalek, W Hamouda - ICC 2022-IEEE International …, 2022 - ieeexplore.ieee.org
In Cognitive radio (CR), users take advantage of vacant licensed bands to transmit their data
as they become available. Cognitive users employ an autonomous perception-action …

Unsupervised two-stage learning framework for cooperative spectrum sensing

NA Khalek, W Hamouda - ICC 2021-IEEE International …, 2021 - ieeexplore.ieee.org
A cognitive radio (CR) network consists of wireless devices that opportunistically borrow
vacant licensed bands. Cognitive users adaptively employ a perception-action decision …

DeepSense: An unsupervised deep clustering approach for cooperative spectrum sensing

NA Khalek, W Hamouda - ICC 2023-IEEE International …, 2023 - ieeexplore.ieee.org
Cognitive radio (CR) users can transmit data as vacant licensed bands become available.
By using machine learning, CR users can intelligently sense channel activity and determine …

Collaborative Learning Based Spectrum Sensing Under Partial Observations

W Zhang, Y Wang, X Chen, L Liu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
To deal with the complex wireless cognitive radios, data-driven learning technologies have
been advocated for spectrum sensing. While the existing learning-based methods are …

Cognitive radio spectrum sensing and prediction using deep reinforcement learning

SQ Jalil, S Chalup, MH Rehmani - 2021 International Joint …, 2021 - ieeexplore.ieee.org
In this paper, we propose to use deep reinforcement learning (DRL) for the task of
cooperative spectrum sensing (CSS) in a cognitive radio network. We selected a recently …

A cooperative spectrum sensing with multi-agent reinforcement learning approach in cognitive radio networks

A Gao, C Du, SX Ng, W Liang - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
Cognitive radio networks (CRNs) can greatly improve the temporal and spatial spectrum
utilization by identifying and exploring spectrum holes of the licensed primary users (PUs) …

Spectrum availability prediction for cognitive radio communications: A DCG approach

L Yu, Y Guo, Q Wang, C Luo, M Li… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Cognitive Radio (CR) technology enables secondary users (SUs) to opportunistically access
unused licensed spectrum owned by primary users (PUs). It has the potential to significantly …

Research on wireless spectrum sensing technology based on machine learning

H Xiao, X Zhou, Y Tian - Security, Privacy, and Anonymity in Computation …, 2018 - Springer
In this paper, based on the spectrum sensing problem of the primary user signal in low SNR
environment, an improved random forest spectrum sensing algorithm is proposed by using …

Spectrum sensing detection algorithm based on eigenvalue variance

W Zi-li, S Xiao-ou, W Xiao-rong - 2019 IEEE 8th Joint …, 2019 - ieeexplore.ieee.org
Energy detection as a kind of the traditional spectrum sensing is susceptible to the
uncertainty of noise variance. Its performance is poor at low SNR and there is a" signal to …

[HTML][HTML] Energy-efficient cooperative spectrum sensing using machine learning algorithm

Q Wu, BK Ng, CT Lam - Sensors, 2022 - mdpi.com
Cognitive Radio (CR) is a practical technique for overcoming spectrum inefficiencies by
sensing and utilizing spectrum holes over a wide spectrum. In particular, cooperative …