Spectrum handoff in cognitive radio networks: A classification and comprehensive survey

K Kumar, A Prakash, R Tripathi - Journal of Network and Computer …, 2016 - Elsevier
The rapid progression in wireless networking has raised the demand of extra spectrum
bands. The current fixed spectrum allocation policy used by the government agencies is …

When UAVs meet cognitive radio: Offloading traffic under uncertain spectrum environment via deep reinforcement learning

X Li, S Cheng, H Ding, M Pan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The emerging Internet of Things (IoT) paradigm makes our telecommunications networks
increasingly congested. Unmanned aerial vehicles (UAVs) have been regarded as a …

A novel approach for channel allocation in OFDM based cognitive radio technology

R Yilmazel, N Inanç - Wireless Personal Communications, 2021 - Springer
When the number of users in the radio environment is increasing and the rapid development
in the wireless environment is examined, the efficient use of the spectrum decreases …

Deep learning-based robust automatic modulation classification for cognitive radio networks

SH Kim, JW Kim, WP Nwadiugwu, DS Kim - IEEE access, 2021 - ieeexplore.ieee.org
In this paper, a novel deep learning-based robust automatic modulation classification (AMC)
method is proposed for cognitive radio networks. Generally, as network input of AMC …

Energy-efficient transmission range and duration for cognitive radio sensor networks

M Ozger, EB Pehlivanoglu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Cognitive Radio (CR) promises an efficient utilization of radio spectrum resources by
enabling dynamic spectrum access to overcome the spectrum scarcity problem. Cognitive …

Efficient spectrum management techniques for cognitive radio networks for proximity service

S Nandakumar, T Velmurugan, U Thiagarajan… - IEEE …, 2019 - ieeexplore.ieee.org
Cognitive radio networks improve spectrum efficiency by employing vigilant and accurate
spectrum management techniques. This is done to enable an unlicensed user to use the …

A novel three-phase target channel allocation scheme for multi-user cognitive radio networks

T Chakraborty, IS Misra - Computer Communications, 2020 - Elsevier
Generation and allocation of Target Channel Sequence (TCS) in relation to spectrum
handoff introduces several challenges in a multi-user Cognitive Radio Network. The primary …

Spectrum handoff based on imperfect channel state prediction probabilities with collision reduction in cognitive radio ad hoc networks

A Shakeel, R Hussain, A Iqbal, I Latif Khan, QU Hasan… - Sensors, 2019 - mdpi.com
The spectrum handoff is highly critical as well as challenging in a cognitive radio ad hoc
network (CRAHN) due to lack of coordination among secondary users (SUs), which leads to …

Time triggered handoff schemes in cognitive radio networks: A survey

U Mir, ZA Bhatti - Journal of Network and Computer Applications, 2018 - Elsevier
Rapid development in wireless networks has largely raised the demand for spectrum
bandwidth. However, current static spectrum allocation policy is unable to meet this ever …

Review of spectrum handoff schemes in cognitive radio networks

SD Riskiono, S Sulistyo, IW Mustika… - … Seminar on Application …, 2021 - ieeexplore.ieee.org
Cognitive radio networks (CRN) are a new technology that offers a promising solution to the
problem of spectrum scarcity. To ensure optimal spectrum utilization, when the primary user …