Ten years of research in spectrum sensing and sharing in cognitive radio

L Lu, X Zhou, U Onunkwo, GY Li - EURASIP journal on wireless …, 2012 - Springer
Cognitive radio (CR) can successfully deal with the growing demand and scarcity of the
wireless spectrum. To exploit limited spectrum efficiently, CR technology allows unlicensed …

Energy-and spectral-efficiency tradeoff in downlink OFDMA networks

C Xiong, GY Li, S Zhang, Y Chen… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Conventional design of wireless networks mainly focuses on system capacity and spectral
efficiency (SE). As green radio (GR) becomes an inevitable trend, energy-efficient design is …

Recent paradigms for efficient spectrum sensing in cognitive radio networks: Issues and challenges

PT Sivagurunathan, P Ramakrishnan… - Journal of Physics …, 2021 - iopscience.iop.org
Rapidly advancing technological advancements in the recent past has made the life of
consumers at ease through innovation of sophisticated and state of the art gadgets. The …

Intelligent wireless communications enabled by cognitive radio and machine learning

X Zhou, M Sun, GY Li, BHF Juang - China Communications, 2018 - ieeexplore.ieee.org
The ability to intelligently utilize resources to meet the need of growing diversity in services
and user behavior marks the future of wireless communication systems. Intelligent wireless …

Resource allocation for heterogeneous cognitive radio networks with imperfect spectrum sensing

S Wang, ZH Zhou, M Ge, C Wang - IEEE Journal on Selected …, 2013 - ieeexplore.ieee.org
In this paper we study the Resource Allocation (RA) in Orthogonal Frequency Division
Multiplexing (OFDM)-based Cognitive Radio (CR) networks, under the consideration of …

Joint spectrum sensing and resource allocation scheme in cognitive radio networks with spectrum sensing data falsification attack

H Chen, M Zhou, L Xie, K Wang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Spectrum sensing and spectrum sharing are two fundamental issues in a cognitive radio
network (CRN). The spectrum sensing data falsification (SSDF) attack imposes bad effects …

Intelligent spectrum sensing and access with partial observation based on hierarchical multi-agent deep reinforcement learning

X Li, Y Zhang, H Ding, Y Fang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Dynamic spectrum access (DSA) has been regarded as a viable solution to the spectrum
shortage problem. To find idle spectrum, partial spectrum sensing could be employed by …

Resource allocation scheme for energy saving in heterogeneous networks

X Sun, S Wang - IEEE Transactions on Wireless …, 2015 - ieeexplore.ieee.org
Energy efficiency in communication networks has received increasing attention in both
industry and academia. In this paper, we investigate the energy saving issue in a …

On the utilization of spectrum opportunity in cognitive radio networks

M Ozger, OB Akan - IEEE Communications Letters, 2015 - ieeexplore.ieee.org
Cognitive radio (CR) is proposed to use the spectrum opportunistically. Spectrum
opportunity (SOP) can be defined as the possibility of a spectrum-aware communication …

Cross-layer resource allocation for video streaming over OFDMA cognitive radio networks

H Saki, M Shikh-Bahaei - IEEE Transactions on Multimedia, 2015 - ieeexplore.ieee.org
In this paper, a cross-layer resource allocation algorithm is proposed in the context of
orthogonal frequency division multiple access (OFDMA)-based cognitive radio (CR) video …