… OFDM is a modulation technique, uses several orthogonal carriers called multi carriers.
And it is multiplexing technique also similar as FDM. OFDM solves fading problem which is …

… through different sub carriers (Multi-Carriers) introduces frequency … CDMA schemes
inevitably have the same drawbacks. However, the combination of OFDM signalling and CDMA …

… The different possible approaches to use OFDM and CDMA jointly as a multiple access …
technique and multi-carriers in downlink schemes with combination of OFDM and CDMA and …

… This design of transmitter and receiver consists of both security features using multi carriers
with the help of encoders, decoders and speed features using OFDM with QPSK modulation/…

… waves are being replaced by multi – carriers. Multi – carrier systems like CDMA and OFDM
are now – a – days being implemented commonly. In the OFDM system, orthogonally placed …

… flat, thus, the key point of OFDM is to divide the given channel … Data streams are modulated
on multicarriers and then several … -CDMA systems and the previous discussed OFDM based …

… CDMA). These improvements are achieved by combining Orthogonal frequency division
multiplexing (OFDM) with FH-CDMA… into n paths for multi-carriers. One carrier frequency is used …

… In contrast to the forward Link, we elucidate that the DS-CDMA approach achieves a higher
… number of multi-carriers, such as MC-CDMA and OFDM [3],[5]. The DS-CDMA approach is …

… the conventional orthogonal frequency division multiplexing (OFDM) system in terms of many
… technology, Code Division Multiple Access (CDMA) brought a revolutionary change in the …

… In 2006 Saad [63], in this research, the Multiwavelet based OFDM and MCCDMA structures
were proposed and tested. These tests were carried out to verify its successful operation and …