CRAHNs: Cognitive radio ad hoc networks

IF Akyildiz, WY Lee, KR Chowdhury - AD hoc networks, 2009 - Elsevier
Cognitive radio (CR) technology is envisaged to solve the problems in wireless networks
resulting from the limited available spectrum and the inefficiency in the spectrum usage by …

Maximum channel throughput via cooperative spectrum sensing in cognitive radio networks

J Shen, T Jiang, S Liu, Z Zhang - IEEE transactions on wireless …, 2009 - ieeexplore.ieee.org
In cognitive radio networks, the secondary (unlicensed) users need to find idle channels via
spectrum sensing for their transmission. Cooperative spectrum sensing (CSS) is a promising …

Cognitive radio and networking research at Virginia Tech

AB MacKenzie, JH Reed, P Athanas… - Proceedings of the …, 2009 - ieeexplore.ieee.org
More than a dozen Wireless@ Virginia Tech faculty are working to address the broad
research agenda of cognitive radio and cognitive networks. Our core research team spans …

Cluster-based spectrum management using cognitive radios in wireless mesh network

A Alsarhan, A Agarwal - 2009 Proceedings of 18th …, 2009 - ieeexplore.ieee.org
Wireless mesh networks (WMNs) have emerged recently to extend Internet access and other
networking services. WMNs routers provide network access to the clients and other …

Deployment and evaluation of a wireless mesh network

A Hamidian, CE Palazzi, TY Chong… - … on Advances in …, 2009 - ieeexplore.ieee.org
Wireless mesh networks (WMNs) have the potentialities to greatly penetrate the marketplace
in the next decade. They can be considered a hybrid between wireless infrastructure and ad …

Stochastic traffic engineering in multihop cognitive wireless mesh networks

Y Song, C Zhang, Y Fang - IEEE Transactions on Mobile …, 2009 - ieeexplore.ieee.org
In this work, the stochastic traffic engineering problem in multihop cognitive wireless mesh
networks is addressed. The challenges induced by the random behaviors of the primary …

Spectrum sensing in cognitive radio networks: Up-to-date techniques and future challenges

S Hussain, X Fernando - 2009 IEEE Toronto International …, 2009 - ieeexplore.ieee.org
Spectrum sensing is essential to secondary cognitive radio users to operate without
interference to primary users. Secondary users can perform the spectrum sensing either …

Are cognitive radios energy efficient? A study of the wireless LAN scenario

V Namboodiri - 2009 IEEE 28Th international performance …, 2009 - ieeexplore.ieee.org
Cognitive radios have been proposed in recent years to make more efficient use of the
wireless spectrum and alleviate congestion on widely used frequency bands. A key aspect …

A multipath routing and spectrum access (MRSA) framework for cognitive radio systems in multi-radio mesh networks

X Wang, TT Kwon, Y Choi - Proceedings of the 2009 ACM workshop on …, 2009 - dl.acm.org
Cognitive Radio (CR) techniques to dynamically utilize the frequency spectrum is under hot
discussion recently. In particular, wireless mesh networks along with CR techniques may …

Cognitive radio: from theory to practical network engineering

E Hossain, L Le, N Devroye, M Vu - New directions in wireless …, 2009 - Springer
Under utilization of radio spectrum in traditional wireless communication systems [30], along
with the increasing spectrum demand from emerging wireless applications, is driving the …