A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2010; you can also visit the original URL.
The file type is application/pdf.
D. Cabric, I.D. O'Donnell, M.S.-W. Chen, R.W. Brodersen. "Spectrum sharing radios." IEEE Circuits and Systems Magazine 6.2 (2006) 30-45