Spectrum inference in cognitive radio networks: Algorithms and applications

G Ding, Y Jiao, J Wang, Y Zou, Q Wu… - … Surveys & Tutorials, 2017 - ieeexplore.ieee.org
Spectrum inference, also known as spectrum prediction in the literature, is a promising
technique of inferring the occupied/free state of radio spectrum from already …

Joint design and separation principle for opportunistic spectrum access in the presence of sensing errors

Y Chen, Q Zhao, A Swami - IEEE Transactions on Information …, 2008 - ieeexplore.ieee.org
Opportunistic spectrum access (OSA) that allows secondary users to independently search
for and exploit instantaneous spectrum availability is considered. The design objective is to …

Distributed spectrum sensing and access in cognitive radio networks with energy constraint

Y Chen, Q Zhao, A Swami - IEEE transactions on signal …, 2008 - ieeexplore.ieee.org
We design distributed spectrum sensing and access strategies for opportunistic spectrum
access (OSA) under an energy constraint on secondary users. Both the continuous and the …

Optimal sensing-transmission structure for dynamic spectrum access

S Huang, X Liu, Z Ding - IEEE INFOCOM 2009, 2009 - ieeexplore.ieee.org
In cognitive wireless networks where secondary users (SUs) opportunistically access
spectral white spaces of primary users (PUs), there exists an inherent tradeoff between …

Optimal transmission strategies for dynamic spectrum access in cognitive radio networks

S Huang, X Liu, Z Ding - IEEE Transactions on Mobile …, 2009 - ieeexplore.ieee.org
Cognitive radio offers a promising technology to mitigate spectrum shortage in wireless
communications. It enables secondary users (SUs) to opportunistically access low …

Channel selection algorithm for cognitive radio networks with heavy-tailed idle times

S Sengottuvelan, J Ansari, P Mähönen… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
We consider a multichannel Cognitive Radio Network (CRN), where secondary users
sequentially sense channels for opportunistic spectrum access. In this scenario, the Channel …

An autoregressive approach for spectrum occupancy modeling and prediction based on synchronous measurements

A Gorcin, H Celebi, KA Qaraqe… - 2011 IEEE 22nd …, 2011 - ieeexplore.ieee.org
Inefficient spectrum usage is a crucial issue in wireless communications and methods for
dynamic spectrum access are proposed based on spectrum sensing methodology of the …

Channel selection in multi-channel opportunistic spectrum access networks with perfect sensing

X Liu, B Krishnamachari, H Liu - 2010 IEEE symposium on new …, 2010 - ieeexplore.ieee.org
We study optimal transmission strategies in multi-channel cognitive radio networks where
one secondary user (SU) opportunistically accesses multiple orthogonal channels that are …

Short paper: On optimal sensing and transmission strategies for dynamic spectrum access

S Huang, X Liu, Z Ding - 2008 3rd IEEE Symposium on New …, 2008 - ieeexplore.ieee.org
The listen-Before-Talk (LBT) strategy has been prevalent in cognitive radio networks where
secondary users opportunistically access under-utilized primary band. To minimize the …

A learning-based multiuser opportunistic spectrum access approach in unslotted primary networks

S Shetty, M Song, C Xin, EK Park - IEEE INFOCOM 2009, 2009 - ieeexplore.ieee.org
Opportunistic spectrum access presents a new approach to wireless spectrum utilization and
management. In this paper, we propose a non-cooperative based OSA approach: learning …