Ten years of research in spectrum sensing and sharing in cognitive radio
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 …
wireless spectrum. To exploit limited spectrum efficiently, CR technology allows unlicensed …
20 years of evolution from cognitive to intelligent communications
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 …
efficient approach to provide more access opportunities to connect massive wireless …
Power control algorithm of cognitive radio based on non-cooperative game theory
This paper addresses the power control problems of Cognitive Radio (CR) under
transmission power and interference temperature constraints. First, we propose the …
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 …
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
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 …
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
We propose adopting a cooperative relaying technique in spectrum-sharing cognitive radio
(CR) systems to more effectively and efficiently utilize available transmission resources …
(CR) systems to more effectively and efficiently utilize available transmission resources …
Error rate analysis of cognitive radio transmissions with imperfect channel sensing
This paper studies the symbol error rate performance of cognitive radio transmissions in the
presence of imperfect sensing decisions. Two different transmission schemes, namely …
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 …
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
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 …
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 …
spectrum sharing with primary user in a Rayleigh fading environment. In the proposed …