@conference {VazquezValcarceMosqueraPrelcic2010, title = {Wideband Spectral Estimation from Compressed Measurements Exploiting Spectral a priori Information in Cognitive Radio Systems}, booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, year = {2010}, month = {March 14-19}, address = {Dallas, U.S.A.}, keywords = {cognitive radio, compressive sampling, Spectral estimation}, author = {Gonzalo V{\'a}zquez-Vilar and R. L{\'o}pez-Valcarce and C. Mosquera and Nuria Gonz{\'a}lez-Prelcic} }