BER analysis of a novel hybrid modulation scheme for noncoherent DS-CDMA systems. - Dirk Nikolai; Karl-Dirk Kammeyer (PIMRC, 1997)

On the bit error behaviour of coded DS-CDMA with various modulation techniques. - Dirk Nikolai; Karl-Dirk Kammeyer; Armin Dekorsy (PIMRC, 1998)

On the optimisation of a noncoherent CDMA system based on M-ary orthogonal modulation. - Marcus Benthin; Rodolfo Mann Pelz; Karl-Dirk Kammeyer; Dirk Nikolai (Eur. Trans. Telecommun., 1998)