… of CDMA(code division multiple access) and OFDM(… show that CDMA has better BER
performance than that of the OFDM. … the tolerance, BER performance of the CDMA decreases. …

… OFDM technique with (new ZCC-OCDMA) system to improve the performance of optical
network… In other side, the results of the proposed technique (OCDMA -new ZCC-OFDM) are …

… analyze the performance of OFDM and CDMA … analysis show that the OFDM method has
more resistant performances to the underwater channel environment changes than the CDMA …

… OFDM-CDMA (namely AO-OFDM-CDMA) system with direct detection by means of more
advanced 2D-HC-CDMA … AO-OFDM-CDMA with a conventional WDM-CO-OFDM including MAI, …

… In order to make a comparison between the transmitted signals in the cases of the Fast-OFDM-CDMA
configuration and the AO-OFDM-CDMA and OCDMA-WDM systems, we introduce …

… The main difference between OFDM and MC-CDMA is that OFDM transmits different
symbols using different sub-carriers in parallel, whereas MC-CDMA transmits the same symbol …

… This thought of an OFDM – IDMA which is a half breed correspondences plot consolidating
OFDM and IDMA has been proposed and studied. In OFDM – CDMA innovation we utilize …

… performance levels, every NOMA scheme outperforms OFDM… spreading, LDS-OFDM
benefits from frequency diversity as … SCMA further optimizes the sparse spreading in LDSCDMA …

… In order to reveal the performance analysis of the MIMOOFDM system with the transmit
diversity of Alamouti Space Time Block Code and the receive diversity of MRC technique over a …

… CDMA and OFDM into one system called the OFDM-CDMA … Therefore, involving OFDM
techniques in the hybrid system … Due to the OFDM high-order modulation technique, the hybrid …