Approximate Expression of Bit Error Rate in Uplink MC-CDMA Systems with Equal Gain Combining

Uplink multicarrier code-division multiple-access (MC-CDMA) with equal gain combining (EGC) over Nakagami fading channels is considered. An improved expression which is a feasible alternative for the bit error rate (BER) performance evaluation of MC-CDMA signals is proposed. Simulated annealing algo...

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Bibliographic Details
Published inJournal of communications and networks Vol. 15; no. 1; pp. 25 - 30
Main Authors Develi, Ibrahim, Akdagli, Ali
Format Journal Article
LanguageKorean
Published 2013
Subjects
equal gain combining (EGC)
simulated annealing
spread spectrum communications
Bit error rate (BER) performance evaluation
multicarrier code-division multiple-access (MC-CDMA)
Nakagami fading channel
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Summary:Uplink multicarrier code-division multiple-access (MC-CDMA) with equal gain combining (EGC) over Nakagami fading channels is considered. An improved expression which is a feasible alternative for the bit error rate (BER) performance evaluation of MC-CDMA signals is proposed. Simulated annealing algorithm is employed to obtain the optimum value of the coefficients belonging to the proposed expression. Numerical examples show that the performance curves computed by the improved expression are in good agreement with the results obtained by the exact expression. Thus, the proposed expression can improve the accuracy of BER performance evaluation that has been realized by the approximate expression.
Bibliography:KISTI1.1003/JNL.JAKO201319655747144
ISSN:1229-2370
1976-5541