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Efficient performance analysis of asynchronous cellular CDMA over Rayleigh-fading channels

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3 Author(s)
Cheah, K.L. ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore ; Oh, S.W. ; Li, K.H.

The bit error rate (BER) analysis of a direct-sequence code-division multiple-access (DS-CDMA) cellular system over a Rayleigh-fading channel often results in complicated expressions even though the Gaussian approximation is applied. A combined probability density function (pdf) approach for the forward link and a mean-method technique for the reverse link are proposed to significantly reduce the computational complexity. The simplified BER expressions are derived and yield accurate results.

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Communications Letters, IEEE  (Volume:1 ,  Issue: 3 )