Optimal spectrum sensing in MIMO-based cognitive radio wireless sensor network (CR-WSN) using GLRT with noise uncertainty at low SNR

R Ahmed, Y Chen, B Hassan - AEU-International Journal of Electronics …, 2021 - Elsevier
Noise uncertainty can severely deteriorate a primary user (PU) detector's sensing
performance, so robustness against the noise uncertainty is of fundamental significance in …

TCVQ-SVM algorithm for narrowband spectrum sensing

J Sheng, F Liu, Z Zhang, C Huang - Physical Communication, 2022 - Elsevier
Spectrum sensing is viewed as the basic and crucial technology for cognitive radio. To
improve the accuracy of spectrum sensing in low signal to noise ratio (SNR), this paper …

Fast and robust spectrum sensing for cognitive radio enabled iot

Z Idrees, M Usman, HE Gelani, L Zheng - IEEE Access, 2021 - ieeexplore.ieee.org
The development of spectral efficient solutions for internet of things (IoT) face challenges
primarily due to the large-scale placement of an immense number of sensors and devices …

Covariance based spectrum sensing with studentized extreme eigenvalue

C Çiflikli, FY Ilgin - Tehnički vjesnik, 2018 - hrcak.srce.hr
Sažetak The eigenvalue based detection is a low-cost spectrum sensing method that detects
the presence of primary user signal at a desired frequency. In this study, the largest …

Degradation assessment of rolling bearing towards safety based on random matrix single ring machine learning

G Ni, J Chen, H Wang - Safety science, 2019 - Elsevier
Aiming at problems of feature extraction of monitoring data may lose useful information and
different feature extraction methods have great influence on the results in rolling bearing …

Double threshold based cooperative spectrum sensing with consideration of history of sensing nodes in cognitive radio networks

C Charan - 2018 2nd International Conference on Power …, 2018 - ieeexplore.ieee.org
As cognitive radio networks are being used as a method which helps in determining the
spectrum vacancy and utilize the spectrum efficiently, spectrum sensing is one of the key …

A novel linear SVM-based compressive collaborative spectrum sensing (CCSS) scheme for IoT cognitive 5G network

S Jothiraj, S Balu - Soft Computing, 2019 - Springer
The cognitive 5G network plays a vital role in enhancing the performance of IoT systems by
providing broad services on dynamic situations. Cognitive radio is an emerging trend for …

Intelligent selection of threshold in covariance-based spectrum sensing for cognitive radio networks

C Charan, R Pandey - Wireless Networks, 2018 - Springer
The radio spectrum sensing has been an important issue of research in cognitive radio
networks over the last decade and the appropriate selection of threshold plays a crucial role …

Firefly-inspired stochastic resonance for spectrum sensing in CR-based IoT communications

HT Reda, A Mahmood, A Diro, N Chilamkurti… - Neural Computing and …, 2020 - Springer
The exponential increase in the number of the Internet of Things (IoT) necessitates dynamic
and shared spectrum access at the edge of network. In cognitive radio (CR)-based IoT …

Blind Matching Filtering Algorithm for Spectrum Sensing under Multi-Path Channel Environment

C Zhang, J Li, B Li, W Ma - Electronics, 2023 - mdpi.com
Matching filtering has been proven to be the optimal spectrum sensing algorithm under
Gaussian white noise. However, the application of this algorithm is limited because of its …