Complete Complementary Orthogonal (CCO) Code-Based CDMA Using Natural Mapping QAM Constellations. - Mario E. Magaña; Thunyawat Rajatasereekul (Wirel. Pers. Commun., 2006)

Design of an MC-CDMA System That Uses Complete Complementary Orthogonal Spreading Codes. - Mario E. Magaña; Thunyawat Rajatasereekul; Daniel Hank; Hsiao-Hwa Chen (IEEE Trans. Veh. Technol., 2007)