Spectrum Sensing Based on Hybrid Spectrum Handoff in Cognitive Radio Networks

L Vaduganathan, S Neware, P Falkowski-Gilski… - Entropy, 2023 - mdpi.com
The rapid advancement of wireless communication combined with insufficient spectrum
exploitation opens the door for the expansion of novel wireless services. Cognitive radio …

Blockchain-based security enhancement and spectrum sensing in cognitive radio network

A Khanna, P Rani, TH Sheikh, D Gupta… - Wireless Personal …, 2022 - Springer
In recent times, wireless communication systems have been considered by a fixed spectrum
allocation policy, where administrative agencies provide wireless spectrum to licensees on a …

Blockchain based spectrum sensing for secured cognitive radio wireless networks

V Roopa, HS Pradhan - 2022 IEEE 11th International …, 2022 - ieeexplore.ieee.org
A blockchain based security improvement as well as spectrum sensing technique is
proposed in this article for regulating the spectrum and identifying fraudulent users in the …

Secure and efficient cooperative spectrum sensing under byzantine attack and imperfect reporting channel

J Wu, Z Chen - Wireless Networks, 2022 - Springer
Cooperative spectrum sensing (CSS) has been considered as an essential paradigm of
cognitive radio (CR) to provide ever-growing wireless applications with the available …

Effect of Relay-based Communication on Probability of Detection for Spectrum Sensing in LoRaWAN

H Rafiqi, G Mahendru, SH Gupta - Wireless Personal Communications, 2023 - Springer
The internet of things (IoT) may be considered as an emerging paradigm that has led to the
transformation of the physical world into an advanced system comprising interconnected …

Co-variance Based Adaptive Threshold Spectrum Detection Optimized with Chameleon Swarm Optimization for Optimum Threshold Selection in Cognitive Radio …

C Charan, R Pandey - Wireless Personal Communications, 2023 - Springer
In cognitive radio networks, Spectrum sensing is most important task for avoiding the
unacceptable interference to primary users. The performance of spectrum sensing is based …

Spectrum sensing in uncalibrated MIMO-based cognitive radios

Z Mohammadi, A Zaimbashi - Digital Signal Processing, 2024 - Elsevier
This paper addresses the problem of spectrum sensing (SS) in cognitive radio networks
utilizing multiple-input multiple-output (MIMO) technology, even when the receivers are not …

An efficient composite two-tier threshold cooperative spectrum sensing technique for 5G systems

P Kansal, M Gangadharappa, A Kumar - Arabian Journal for Science and …, 2022 - Springer
There are fixed thresholds in the conventional double threshold sensing techniques. There
is no sensing or confusion region when the test statistic lies between high and low …

Identifying malicious secondary user presence within primary user range in cognitive radio networks

V Brinda, M Bhuvaneshwari - Wireless Personal Communications, 2022 - Springer
Abstract Cognitive Radio (CR) Network is a wireless communication technology, in which a
detection device smartly detects occupied and unoccupied channels. During traffic, unused …

Energy efficient allocation of resources in NOMA based (MU-HCRN) with perfect spectrum sensing

S Prabhavathi, V Saminadan - International conference on computing …, 2022 - Springer
Abstract Allocating Resources in NOMA Based MU-Heterogeneous Cognitive Radio
Networks (MU-HCRN) with Perfect Spectrum Sensing in an energy-efficient manner …