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 …

Spectrum sharing in the sky and space: a survey

L Zhang, Z Wei, L Wang, X Yuan, H Wu, W Xu - Sensors, 2022 - mdpi.com
In order to achieve the vision of seamless wireless communication coverage, a space–air–
ground integrated network is proposed as a key component of the sixth-generation (6G) …

[HTML][HTML] A comprehensive study on the role of advanced technologies in 5G based smart hospital

A Kumar, R Dhanagopal, MA Albreem, DN Le - Alexandria Engineering …, 2021 - Elsevier
In the present scenario, orthogonal frequency division multiplexing (OFDM) waveform
technique is playing a significant part in smart hospitals. Still, its impact is not effective in …

[HTML][HTML] Energy efficiency in cognitive radio network using cooperative spectrum sensing based on hybrid spectrum handoff

K Arshid, Z Jianbiao, I Hussain, MS Pathan… - Egyptian Informatics …, 2022 - Elsevier
Rapid spectrum usage in wireless networks may reduce energy efficiency, requiring
cognitive radio networks to be more efficient than conventional ones. Due to increased data …

[HTML][HTML] Analysis of spectrum sensing using deep learning algorithms: CNNs and RNNs

A Kumar, N Gaur, S Chakravarty, MH Alsharif… - Ain Shams Engineering …, 2024 - Elsevier
Spectrum sensing is a critical component of cognitive radio systems, enabling the detection
and utilization of underutilized frequency bands. Convolutional neural networks (CNNs) and …

Analysis of FBMC waveform for 5G network based smart hospitals

B Ramakrishnan, A Kumar, S Chakravarty, M Masud… - Applied Sciences, 2021 - mdpi.com
Nowadays, many prevalent frameworks for medical care have been projected, studied, and
implemented. The load and challenges of traditional hospitals are increasing daily, leading …

A Gaussian mixture model method for eigenvalue-based spectrum sensing with uncalibrated multiple antennas

S Majumder - Signal Processing, 2022 - Elsevier
In this article, a novel spectrum sensing technique for cognitive radio (CR) is proposed
where eigenvalues of the covariance matrix of the received signal are used as features for …

[HTML][HTML] Intelligent conventional and proposed hybrid 5G detection techniques

A Kumar, S Chakravarty, S Suganya, H Sharma… - Alexandria Engineering …, 2022 - Elsevier
Abstract In recent years, Multiple Inputs and Multiple Outputs (MIMO) have gained significant
attention due to their characteristics such as spectral gain, high throughput, and energy …

A cognitive radio spectrum sensing method for an OFDM signal based on deep learning and cycle spectrum

G Pan, J Li, F Lin - International Journal of Digital Multimedia …, 2020 - Wiley Online Library
In a cognitive radio network (CRN), spectrum sensing is an important prerequisite for
improving the utilization of spectrum resources. In this paper, we propose a novel spectrum …

Enhancement of spectral access of optical OFDM system using cognitive radio

A Kumar, N Gaur - Journal of Optical Communications, 2023 - degruyter.com
This work presents the research on spectrum sensing in optical OFDM (orthogonal
frequency division multiplexing) systems. Spectrum sensing is crucial for cognitive radio …