Performance of forward-link cellular DS-CDMA over frequency-selective multipath fading channels

被引：0

作者：

Oh, SW ^{[1
]}

Li, KH ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore

来源：

JOURNAL OF COMMUNICATIONS AND NETWORKS | 2000年 / 2卷 / 03期

关键词：

cellular CDMA; forward link; Rayleigh fading; frequency-selective channels;

D O I：

10.1109/JCN.2000.6596715

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new frequency-selective multipath-fading model is studied for a forward-link direct-sequence code-division multiple-access (DS-CDMA) system with a multi-cell configuration. In the performance evaluation of this model, the probability density function (pdf) of the interference-to-signal ratio is first derived in closed form. This pdf is then employed to form a compact expression for efficient bit-error rate (BER) evaluation. Numerical results show that more RAKE fingers are important to ensure good forward-link cellular performance when the mobiles travel through different topographical environments.

引用

页码：244 / 247

页数：4

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