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 …

20 years of evolution from cognitive to intelligent communications

Z Qin, X Zhou, L Zhang, Y Gao… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
It has been 20 years since the concept of cognitive radio (CR) was proposed, which is an
efficient approach to provide more access opportunities to connect massive wireless …

Power control algorithm of cognitive radio based on non-cooperative game theory

Z Junhui, Y Tao, G Yi, W Jiao, F Lei - China Communications, 2013 - ieeexplore.ieee.org
This paper addresses the power control problems of Cognitive Radio (CR) under
transmission power and interference temperature constraints. First, we propose the …

Joint optimization of cooperative spectrum sensing and resource allocation in multi-channel cognitive radio sensor networks

N Zhao - Circuits, Systems, and Signal Processing, 2016 - Springer
Cooperative spectrum sensing (CSS) that utilizes multi-user diversity to mitigate channel
instability and noise uncertainty is a promising technique in cognitive radio networks …

Adaptive spectrum sharing for half-duplex and full-duplex cognitive radios: From the energy efficiency perspective

D Li, J Cheng, VCM Leung - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In traditional cognitive radio networks (CRNs), the interweave, underlay, overlay, and hybrid
spectrum sharing schemes are only spectrum-efficient in specific circumstances. In order to …

End-to-end performance of cooperative relaying in spectrum-sharing systems with quality of service requirements

V Asghari, S Aïssa - IEEE Transactions on Vehicular …, 2011 - ieeexplore.ieee.org
We propose adopting a cooperative relaying technique in spectrum-sharing cognitive radio
(CR) systems to more effectively and efficiently utilize available transmission resources …

Error rate analysis of cognitive radio transmissions with imperfect channel sensing

G Ozcan, MC Gursoy, S Gezici - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
This paper studies the symbol error rate performance of cognitive radio transmissions in the
presence of imperfect sensing decisions. Two different transmission schemes, namely …

Capacity in fading environment based on soft sensing information under spectrum sharing constraints

I Bala, MS Bhamrah, G Singh - Wireless Networks, 2017 - Springer
In this paper, the ergodic channel capacity for a secondary user is investigated using soft
sensing information about primary user activity in a shared channel under joint peak transmit …

A comprehensive study of past, present, and future of spectrum sharing and information embedding techniques in joint wireless communication and radar systems

MF Munir, A Basit, W Khan, A Saleem… - Wireless …, 2022 - Wiley Online Library
Wireless spectrum is a limited resource, and the rapid increase in demand for wireless
communication‐based services is increasing day by day. Hence, maintaining a good quality …

Rate and power optimization under received-power constraints for opportunistic spectrum-sharing communication

I Bala, MS Bhamrah, G Singh - Wireless Personal Communications, 2017 - Springer
In this paper, the channel capacity of secondary user is investigated for opportunistic
spectrum sharing with primary user in a Rayleigh fading environment. In the proposed …