Tsung-Han Yu Oussama Sekkat Santiago Rodriguez-Parera Dejan Markovic Danijela Cabric A Wideband Spectrum-Sensing Processor With Adaptive Detection Threshold and Sensing Time. 2765-2775 2011 58-I IEEE Trans. on Circuits and Systems 11 http://dx.doi.org/10.1109/TCSI.2011.2143010 db/journals/tcas/tcasI58.html#YuSRMC11