Best relay selection in cooperative spectrum sharing systems with multiple primary users. - F. Rafael V. Guimaraes; Daniel Benevides da Costa; Mustapha Benjillali; Theodoros A. Tsiftsis; George K. Karagiannidis (ICC, 2013)

Multiuser and Multirelay Cognitive Radio Networks Under Spectrum-Sharing Constraints. - F. Rafael V. Guimaraes; Daniel Benevides da Costa; Theodoros A. Tsiftsis; Charles Casimiro Cavalcante; George K. Karagiannidis (IEEE Trans. Veh. Technol., 2014)