... narrowband PUs, e.g., program making and special events (PMSE) devices such as professional wireless microphones with bandwidth of 200 kHz. Note that an explanation of the wideband and narrowband ... Section 4. Figures 6, 7, 8, 9, 10 and 11 show thePSDs of the OFDM (or NC-OFDM) SU transmissions under evaluation in our CR systemwith the wideband (DVB-T) and narrowband (PMSE) PU signals being protected ... spectrum of OFDM-based cognitive radios, in IEEE Sarnoff Symposium,Princeton, USA, pp. 1–5, March 30 2009–April 1 2009.32. S Brandes, I Cosovic, M Schnell, Reduction of out -of- band radiation in OFDM...