%0 Conference Paper %B IEEE Global Communications Conference %D 2014 %T Circular Sparse Rulers Based On Co-prime Sampling For Compressive Power Spectrum Estimation %A Nuria González-Prelcic %A M. E. Domíngez-Jiménez %K cognitive radio %K compass %K compressed sensing %B IEEE Global Communications Conference %I IEEE %C Austin, TX %8 12/2014 %G eng %R 10.1109/GLOCOM.2014.7037272