Abstract
This paper analyze the comparison between the two CDMA techniques; Direct Sequence CDMA (DS-CDMA) and Multi-Carrier CDMA (MC-CDMA) systems. The objective is to evaluate these two multiple access techniques on the basis of different number of users and the different modulation schemes. Performance evaluation of the two systems is done on the basis of BERs Multipath Rayleigh fading and AWGN channel. The main intention of this paper is to identify advantages and disadvantages of MC-CDMA (Multi-Carrier Code Division Multiple Access) system in frequency selective Rayleigh fading channel. The paper deals with this issue and discusses it along with focusing on analysis of BER (bit error rate) of MC-CDMA system and comparing it with to BER of DS-CDMA system.
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