Further performance analysis of the generalized MC DS-CDMA system in Nakagami-m fading channels

Authors:
Seher Sener;Ibrahim Develi;Nurhan Karaboga
Affiliations:
Institute of Science and Technology, Erciyes University, 38039 Kayseri, Turkey;Department of Electrical and Electronics Engineering, Faculty of Engineering, Erciyes University, 38039 Kayseri, Turkey;Department of Electrical and Electronics Engineering, Faculty of Engineering, Erciyes University, 38039 Kayseri, Turkey
Venue:
Computers and Electrical Engineering
Year:
2009

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Abstract

The generalized multicarrier direct sequence code-division multiple-access (MC DS-CDMA) is a well known model that can be extended to different MC DS-CDMA schemes by simply varying a single parameter called as normalized subcarrier spacing. In this paper, the effect of the rate of average power decay on the bit error rate (BER) performance of the generalized MC DS-CDMA system is presented. Two specific schemes known as multitone DS-CDMA and orthogonal MC DS-CDMA are considered for the BER performance analysis. Simulation results show that the rate of average power decay has an important effect on the BER performance comparisons between the multitone DS-CDMA system and the orthogonal MC DS-CDMA system.