… channel state information of the OFDM subcarriers so as to reduce or minimize the bit error
rate (BER) of each OFDM frame. It is well suited to OFDM systems because the channel state …

… performance of the IEEE.802.11a standard based on OFDM and IEEE.802.11b standard
based on CDMA… for the performance of the two models: CDMA and OFDM considering AWGN …

… As in MC-CDMA, where CDMA is overlaid on OFDM, MIMO can also easily be overlaid on
OFDM for diversity transmission or spatial multiplexing. Unlike the single antenna OFDM case, …

… In this paper, we design, analyze and implement a typical … -access (CDMA), we are interested
in Optical CDMA due to its fully … in wireless OFDM/CDMA-based cognitive radio networks. …

… In this paper, the transmission scheme of the WiMAX based on MC-CDMA and OFDM
techniques is investigated and the performance of the two techiques is evaluated in the presence …

… the analysis … CDMA systems that carry data. The contribution of this paper is to provide a
general framework for accurately analyzing the performance of the diversity receiver in CDMA …

… 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 …

… CDMA and OFDM we haven’t implemented the channel estimation techniques as in the
case of OFDM… performance. Also lies the feasibility study of Multiple Input Multiple Output (MIMO) …

… of OFDM become the basic parameters of MC-CDMA. In this paper it is analyze the parameters
of OFDM and MC-CDMA for … The analysis carried out using MATLAB. The simulation …