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
收藏
页码：244 / 247
页数：4
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