... carried out between MC- CDMA andDS-CDMA as well as between the multi-carrier multiple access schemes MC- CDMA, MC- DS-CDMA, SS -MC- MA, OFDMA and MC- TDMA. It has been shown that MC- CDMA can significantly ... The SS -MC- MA system applies maximum likelihoodComparison of Hybrid Multiple Access Schemes 111 MC- CDMA, R = 1/2, HT 150 kmh MC- CDMA, R = 1/2, BU 3 km/h MC- CDMA, R = 2/3, HT 150 km/h MC- CDMA, ... Q-Modification introduced in Section 2.1.8.2 for MC- CDMA systems is inherentin SS -MC- MA systems. M-Modification can, as in MC- CDMA systems, be applied toSS -MC- MA systems by assigning a user more than...