Bit Error Rate Performance for Multicarrier Code Division Multiple Access over Generalized η-μ Fading Environment

James Osuru Mark, Brahim Belhaouari Samir, Mohammed Naufal


The multicarrier code division multiple access (MC-CDMA) system has received a considerable attention from researchers owing to its great potential in achieving high data rates transmission in wireless communications. Due to the detrimental effects of multipath fading the performance of the system degrades. Similarly, the impact of non-orthogonality of spreading codes can exist and cause interference. This paper addresses the performance of multicarrier code division multiple access system under the influence of frequency selective generalized η-µ  fading channel and multiple access interference caused by other active users to the desired one. We apply Gaussian approximation technique to analyse the performance of the system. The avearge bit error rate is derived and expressed in Gauss hypergeometic functions. Maximal ratio combining diversity technique is utilized to alleviate the deleterious effect of multipath fading. We observed that the system performance improves when the parameter η increase or decreasse in format 1 or format 2 conditions respectively.


MC-CDMA; generalized η-µ fading; average bit error rate; maximal ratio combining

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Published by INSIGHT - Indonesian Society for Knowledge and Human Development