Cooperative communications for cognitive radio networks—From theory to applications
Cognitive Radio has been recognized as a promising way to improve spectrum efficiency of
wireless communications by exploiting under-utilized licensed spectrum in temporal …
wireless communications by exploiting under-utilized licensed spectrum in temporal …
Secondary users cooperation in cognitive radio networks: balancing sensing accuracy and efficiency
Cooperative spectrum sensing is a promising technique in cognitive radio networks by
exploiting multi-user diversity to mitigate channel fading. Cooperative sensing is traditionally …
exploiting multi-user diversity to mitigate channel fading. Cooperative sensing is traditionally …
Cooperative relay techniques for cognitive radio systems: Spectrum sensing and secondary user transmissions
Cognitive radio is a promising technology that enables an unlicensed user (also known as a
cognitive user) to identify the white space of a licensed spectrum band (called a spectrum …
cognitive user) to identify the white space of a licensed spectrum band (called a spectrum …
Cooperative overlay spectrum access in cognitive radio networks
In order to mitigate the shortage of wireless spectrum, the appealing concepts of cooperative
communication techniques and cognitive radio (CR) networks have been combined for the …
communication techniques and cognitive radio (CR) networks have been combined for the …
Resource allocation techniques in cooperative cognitive radio networks
M Naeem, A Anpalagan… - … surveys & tutorials, 2013 - ieeexplore.ieee.org
In the past decade, cognitive radio and cooperative communication techniques have been
proposed in the literature for efficiently utilizing the radio resources. Cognitive radio is an …
proposed in the literature for efficiently utilizing the radio resources. Cognitive radio is an …
Cooperative communications for cognitive radio networks
KB Letaief, W Zhang - Proceedings of the IEEE, 2009 - ieeexplore.ieee.org
Cognitive radio is an exciting emerging technology that has the potential of dealing with the
stringent requirement and scarcity of the radio spectrum. Such revolutionary and …
stringent requirement and scarcity of the radio spectrum. Such revolutionary and …
Toward efficient radio spectrum utilization: User cooperation in cognitive radio networking
In a cooperative cognitive radio network, secondary users are able to negotiate with primary
users for dedicated transmission opportunities through providing tangible service. Two novel …
users for dedicated transmission opportunities through providing tangible service. Two novel …
On efficient resource allocation for cognitive and cooperative communications
Cooperative communication (CC) can offer high channel capacity and reliability in an
efficient and low-cost way by forming a virtual antenna array among single-antenna nodes …
efficient and low-cost way by forming a virtual antenna array among single-antenna nodes …
Cooperative relay in cognitive radio networks: Decode-and-forward or amplify-and-forward?
D Hu, S Mao - 2010 IEEE Global Telecommunications …, 2010 - ieeexplore.ieee.org
Cognitive radios (CR) and cooperative communications represent new paradigms that both
can effectively improve the spectrum efficiency of future wireless networks. In this paper, we …
can effectively improve the spectrum efficiency of future wireless networks. In this paper, we …
Cooperative beamforming for cognitive radio networks: A cross-layer design
Cognitive Radio (CR) can significantly improve the utilization of the precious radio spectrum
by allowing Secondary Users (SUs) to borrow the licensed spectrum if they do not cause …
by allowing Secondary Users (SUs) to borrow the licensed spectrum if they do not cause …