A study of band-limited chip waveforms for asynchronous DS-CDMA systems

被引：0

作者：

Nguyen, HH ^{[1
]}

机构：

[1] Univ Saskatchewan, Dept Elect Engn, Saskatoon, SK S7N 5A9, Canada

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2004年 / E87A卷 / 08期

关键词：

DS-CDMA; interference cancellation; chip waveform shaping;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter studies the impact of chip waveform shaping on the multiple access interference (MAI) in band-limited direct sequence code-division multiple access (DS-CDMA) systems. The family of band-limited waveforms with zero interchip interference (ICI) and with an excess bandwidth beta in the range 0 : beta : 1 is considered. A criterion for the performance comparison of various band-limited chip waveforms based on the elementary density function is established. The effect of varying the roll-off factor of a band-limited chip waveform on the MAI level is also investigated.

引用

页码：2185 / 2188

页数：4

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