Progression on spectrum sensing for cognitive radio networks: A survey, classification, challenges and future research issues

MS Gupta, K Kumar - Journal of Network and Computer Applications, 2019‏ - Elsevier
It is widely believed that the advances of networking technologies will reshape the future of
telecommunication system. The continuous growth in data traffic originated by mobile users …

Riemannian distance-based fast k-medoids clustering algorithm for cooperative spectrum sensing

S Zhang, Y Wang, Y Zhang, P Wan… - IEEE Systems …, 2021‏ - ieeexplore.ieee.org
Spectrum sensing is a fundamental component in a cognitive radio network to utilize the
frequency bands effectively. In this article a fast Riemannian distance-based K-medoids …

Soft decision cooperative spectrum sensing with entropy weight method for cognitive radio sensor networks

H Lin, L Du, Y Liu - IEEE Access, 2020‏ - ieeexplore.ieee.org
By fully utilizing the spatial gain and exploiting the multiuser diversity, cooperative spectrum
sensing can enhance the sensing accuracy. In the actual wireless environment, the effect of …

A novel secure cooperative cognitive radio network based on Chebyshev map

M Ridouani, S Benazzouza, F Salahdine… - Digital Signal …, 2022‏ - Elsevier
Cooperative networks have been proposed as an efficient solution to improve the detection
capability of a cognitive radio system. This type of networks is highly vulnerable to different …

Spectrum-occupancy aware cooperative spectrum sensing using adaptive detection

MA Al-Jarrah, A Al-Dweik, SS Ikki… - IEEE Systems …, 2019‏ - ieeexplore.ieee.org
In this paper, an efficient adaptive detection scheme is proposed for cognitive radio networks
where multiple secondary users (SUs) cooperate to identify idle spectrum bands. Each SU …

Cognitive Radio Spectrum Sensing‐Based QAM Technique Using Blockchain

D Balakumar, S Nandakumar - International Journal of …, 2023‏ - Wiley Online Library
Cognitive radio (CR) is a novel concept developed to solve concerns such as spectrum
underutilization and scarcity. Spectrum detection methods are employed in the blockchain …

Energy-efficient cooperative spectrum sensing scheme based on spatial correlation for cognitive internet of things

R Wan, M Wu, L Hu, H Wang - IEEE Access, 2020‏ - ieeexplore.ieee.org
Due to the negative impact from spatial correlation, spatially correlated cognitive radio (CR)
based devices participating in cooperative spectrum sensing may be harmful to the …

Sensing nodes selective fusion scheme of spectrum sensing in spectrum-heterogeneous cognitive wireless sensor networks

Z Zhang, X Wen, H Xu, L Yuan - IEEE Sensors Journal, 2017‏ - ieeexplore.ieee.org
A new spectrum sensing scheme based on spatial-temporal opportunity detection is
proposed in this paper. To verify the practicability and validity of the method, we proposed a …

Fusion rule based on dynamic grou** for cooperative spectrum sensing in cognitive radio

T Yang, Y Wu, L Li, W Xu, W Tan - IEEE Access, 2019‏ - ieeexplore.ieee.org
In this paper, we study the distributed cooperative spectrum sensing in heterogeneous
cognitive radio networks, where each secondary user (SU) adopts a different spectrum …

Soft combination for cooperative spectrum sensing in fading channels

H Guo, N Reisi, W Jiang, W Luo - IEEE Access, 2016‏ - ieeexplore.ieee.org
In this paper, we study the distributed energy-based detectors for spectrum sensing in
cognitive radio networks. We assume that the sensing channel includes both small-scale …