... a CRcommunication system attempting to access the available spectrum in a dynamically varyingradio environment, it is also important that the length and shape of the applied window canbe also ... MS El-Saadany, AF Shalash, M Abdallah, Revisiting active cancellation carriers forshaping the spectrum of OFDM-based cognitive radios, in IEEE Sarnoff Symposium,Princeton, USA, pp. 1–5, March ... Apart from the PAPR value, usually the probability of peaks occurrence is also taken into account since it is conceivable that the time-domain peakspossessing moderate instantaneous power can...