Exact Bit Error Probability of CDD MC-CDMA System with Frequency-Correlated Subcarriers

Afzal Lodhi,Fatin Said,Mischa Dohler,A. Hamid Aghvami

Montreal, Que.（2006）

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摘要

This paper presents the exact bit error rate (BER) analysis of a cyclic delay diversity (CDD) multicarrier code division multiple-access (MC-CDMA) system. By using the moment generating function (MGF) of the correlated Nakagami-m random variable and considering the realistic case of frequency-correlated MC-CDMA subcarriers (which is often ignored in literature), closed-form BER expressions are obtained with maximum ratio combining (MRC) detection technique for both uplink and downlink scenarios. Simulation results are also presented which show excellent agreement with the analytical framework.

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关键词

Nakagami channels,code division multiple access,diversity reception,error statistics,CDD MC-CDMA system,bit error probability,bit error rate analysis,correlated Nakagami-m random variable,cyclic delay diversity multicarrier code division multiple-access system,frequency-correlated MC-CDMA subcarriers,frequency-correlated subcarriers,maximum ratio combining detection technique,moment generating function

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