Quadratic-Congruence Carrier-Hopping Prime Code for Multicode-Keying Optical CDMA. - Wing C. Kwong; Cheng-Yuan Chang; Hung-Ta Chen; Guu-chang Yang (ICC, 2007)

A Secure Authentication Policy for UMTS and WLAN Interworking. - Yen-Chieh Ouyang; Chang-Bu Jang; Hung-Ta Chen (ICC, 2007)

Spectral Efficiency Study of QC-CHPCs in Multirate Optical CDMA System. - Cheng-Yuan Chang; Hung-Ta Chen; Guu-chang Yang; Wing C. Kwong (IEEE J. Sel. Areas Commun., 2007)