A robust multistage spectrum sensing model for cognitive radio applications

K Mourougayane, B Amgothu, S Bhagat… - … -International Journal of …, 2019 - Elsevier
Spectrum sensing is widely exploited in Cognitive Radio (CR) to detect and utilize the
unoccupied, underutilized frequency bands. Reliable spectrum sensing is an essential …

Adaptive two‐stage spectrum sensing model using energy detection and wavelet denoising for cognitive radio systems

A Fawzi, W El‐Shafai, M Abd‐Elnaby… - International Journal …, 2020 - Wiley Online Library
This paper presents an efficient adaptive two‐stage spectrum sensing model for the
cognitive radio (CR) systems. The proposed model combines two well‐known techniques …

A novel double threshold-based spectrum sensing technique at low SNR under noise uncertainty for Cognitive Radio Systems

G Mahendru - Wireless Personal Communications, 2022 - Springer
Cognitive Radio is a novel concept that has invoked a paradigm shift in wireless
communication and promises to solve the problem of spectrum underutilization. Spectrum …

Multi-path hybrid spectrum sensing in cognitive radio

A Rabie Mohamed, A A. Aziz El-Banna… - Arabian Journal for …, 2021 - Springer
Inefficient utilization of the authorized spectrum emerges cognitive radio (CR) as a hopeful
technology for both present and future telecommunications. It is owing to the potency to …

[PDF][PDF] Enriched the spectrum sensing performance of estimated SNR based detector in cognitive radio networks

A Bagwari, GS Tomar - International Journal of Hybrid Information …, 2015 - academia.edu
Spectrum sensing is one of the vital functions, plays an important role in cognitive radio
networks (CRN). This paper discuss to enrich the sensing performance of propose estimated …

Two stage spectrum sensing for cognitive radio networks using ED and AIC under noise uncertainty

PP Anaand, C Charan - 2016 international conference on …, 2016 - ieeexplore.ieee.org
Spectrum Sensing is elementary function in Cognitive Radio Networks (CRN) to identify the
white spaces in spectrum for opportunistic communication. In this paper, we proposed a …

[PDF][PDF] Performance analysis of spectrum sensing in cognitive radio under low SNR and noise floor

P Venkatapathi, H Khan, SS Rao - International Journal of …, 2019 - researchgate.net
Cognitive radio (CR) is a new technology that is proposed to improve spectrum efficiency by
allowing unlicensed secondary users to access the licensed frequency bands without …

Convolutional neural network model for spectrum sensing in cognitive radio systems

W El‐Shafai, A Fawzi, A Sedik, A Zekry… - International Journal …, 2022 - Wiley Online Library
Cognitive radio (CR) has become an interesting research field that attracts researchers due
to its increasing spectrum efficiency. Therefore, spectrum sensing (SS) is the essential …

Enhanced hybrid spectrum sensing architecture for cognitive radio equipment

Z Khalaf, A Nafkha, J Palicot - 2011 XXXth URSI General …, 2011 - ieeexplore.ieee.org
Spectrum sensing is an important process in cognitive communication and must be
performed accurately. In this paper we propose a low complexity detector based on a …

Primary signal detection algorithms for spectrum sensing at low SNR over fading channels in cognitive radio

M Shbat, V Tuzlukov - Digital Signal Processing, 2019 - Elsevier
The generalized detector (GD) can be implemented at the low signal-to-noise ratio (SNR) in
cognitive radio (CR) systems to improve the spectrum sensing performance under correlated …