A Hybrid Framework for Spectrum Sharing in Cognitive Radio Systems With Dynamic Users

In this letter, we present a hybrid spectrum sharing approach in cognitive radio (CR) systems with dynamic users in which the secondary users (SU) may not accurately detect the presence of primary users (PU). As a consequence, there is an increased probability of collision between PU and SU transmis...

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Veröffentlicht in:	IEEE communications letters 2019-10, Vol.23 (10), p.1871-1874
Hauptverfasser:	Macdonald, Sara, Popescu, Dimitrie C., Popescu, Otilia
Format:	Artikel
Sprache:	eng
Schlagworte:	Cognitive radio Collision dynamics Energy detection Interference opportunistic spectrum access primary user activity Radio frequency Radiofrequency interference Receivers Sensors Signal to noise ratio spectrum sensing Transmitters Waveforms
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