Cognitive Radio Transceivers: RF, Spectrum Sensing, and Learning Algorithms Review

<table>Configuration and photo of the UWB antenna in [<a href="/journals/ijap/2014/548473/#B42">42</a>]. The antenna combines several bandwidth enhancement techniques.</table>

International Journal of Antennas and Propagation

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Figure 1

Figure 1: Cognitive Radio Transceivers: RF, Spectrum Sensing, and Learning Algorithms Review 