Cognitive Radio Networks
Learning and Reasoning in Cognitive Radio Networks
... in Cognitive Radio Networks Liljana Gavrilovska, Vladimir Atanasovski, Irene Macaluso, and Luiz DaSilva Abstract—Cognitive radio networks challenge the traditional wireless ...
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Spectrum Sensing in Cognitive Radio Networks
... of cognitive radio networks will be the ability to switch between radio access technologies, transmitting in different portions of the radio spectrum as unused frequency band slots ...
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A Novel Multi-radio Rendezvous Algorithm for Cognitive Radio Networks
... Cognitive Radio Networks (CRN) provide a platform for addressing the under utilization of the licensed spectra through a variety of Dynamic Spectrum Access (DSA) ...
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Modeling the Lion Attack in Cognitive Radio Networks
... Cognitive radio is a promising technology aiming to improve the utilization of the radio electromagnetic ...A cognitive radio is a smart device which runs radio applications ...
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Adaptive Spectrum Sensing in Cognitive Radio Networks
... available radio spectrum is not used efficiently, therefore a new technology called Cognitive Radio (CR) is used to increase the spectrum ...in cognitive radio networks inorder ...
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A novel MAC Protocol for Cognitive Radio Networks
... the radio spectrum has become more vital since the demand for wireless applications has ...the cognitive radio (CR) technology which is an opportunistic network that senses the environment, observes ...
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Secure MAC protocols for cognitive radio networks
... needed. Cognitive Radio (CR) is an emerging technology that exploits the inefficient utilisation of the unused spectrum ...for Cognitive Users (CUs), the Common Control Channel (CCC) is one of the ...
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Spectrum Sensing and Allocation In Cognitive Radio Networks
... for radio spectral resources has in- creased significantly. Cognitive radio scenario was proposed to improve spectrum efficiency in wireless communication ...in cognitive radio ...
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spectrum sensing schemes for cognitive radio networks
... “ SPECTRUM SENSING SCHEMES FOR COGNITIVE RADIO NETWORKS ” . Primarily, we submit our gratitude & sincere thanks to our supervisor Prof. Poonam Singh, Department of Electronics and Communication ...
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Some MIMO applications in cognitive radio networks
... In cognitive radio networks Dynamic Spectrum Allocation (DSA) policy is adopted instead of the Fixed Spectrum Allocation (FSA) policy, where unlicensed users known as seco[r] ...
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Sensing optimization in cooperative cognitive radio networks
... 2. Related Work There have been many research activities on proposing optimal spectrum-sensing strategies. In [7], authors introduced an energy-efficient cooperative spectrum-sensing scheme in sensor-aided ...
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Malicious User Attack in Cognitive Radio Networks
... causes collision amongst licensed and unlicensed users. Primary user emulation (PUE) attack is considered as a source of interference in CRN and causes signal detection errors. Malicious users are capable to harm ...
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The Security of Physical Layer in Cognitive Radio Networks
... network, cognitive radio networks (CRNs) emerge as the times ...for cognitive radio have gained lots of ...for cognitive radio ...
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Economics of Spectrum Allocation in Cognitive Radio Networks
... in Cognitive Radio Networks Abstract Cognitive radio networks (CRNs) are emerging as a promising technology for the efficient use of radio ...these networks, there ...
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Cognitive Radio Networks
... ◦ Determine which portions of the spectrum is available and detect the presence of licensed users when a user operates in a licensed band. Spectrum decision[r] ...
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Opportunistic Unsynchronized Cognitive Radio Networks
... opportunistic networks is to maximize the usage of the spectrum by offering quick and easy access to independent systems and their ...opportunistic networks are reviewed and the conditions for proliferation ...
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An Extensive Review on Cognitive Radio Networks
... — Cognitive radio (CR) is an engineering that addresses the issue of shortage of range and prepares for efficient utilization of the ...same. Cognitive Radio Sensor Networks (CRSN) ...
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Self Organising Cognitive Radio Networks
... sensor networks [20], ...the radio electronics is high, direct transmission energy is more energy-efficient on a global scale than minimum transmission energy (MTE) routing ...
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On Cooperative Relay in Cognitive Radio Networks
... In this paper, we investigate the problem of cooperative relay in CR networks. We assume a primary network with multiple licensed bands and a CR network consisting of multiple cooperative relay links. Each ...
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Spectrum sharing in cognitive radio networks
... Conclusion and Further Research In this thesis, we focused on two spectrum sharing techniques for cognitive radio net- works; namely interweave access and underlay access. In the interweave approach, the ...
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