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Random Aerial Beamforming for Underlay Cognitive Radio with Exposed Secondary Users
(IEEE Vehicular Technology Society, 2016)
In this paper, we introduce the exposed secondary users problem in underlay cognitive radio systems, where both the secondary-to-primary and primary-to-secondary channels have a Line-of-Sight (LoS) component. Based on a ...
Spectrum Sensing Via Reconfigurable Antennas: Fundamental Limits and Potential Gains
We propose a novel spectrum sensing technique in cognitive radio networks that provides diversity and capacity benefits using a single antenna at the Secondary User (SU) receiver. The proposed scheme is based on a ...