An asymptotic analysis of band-limited DS/SSMA communication systems

被引：3
|
作者：
Jeong, YK
Cho, JH
Lehnert, JS
机构：
[1] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
[2] Univ Massachusetts, Dept Elect & Comp Engn, Amherst, MA 01003 USA
来源：
IEEE TRANSACTIONS ON INFORMATION THEORY | 2006年 / 52卷 / 02期
关键词：
approximation theory; asymptotic analysis; code-division; multiple access; interference;
D O I：
10.1109/TIT.2005.860470
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 asymptotic analysis is presented to establish whether or not commonly used techniques to approximate the performance of direct-sequence spread-spectrum multiple-access (DS/SSMA) systems still apply when the systems are strictly band limited. The results apply to any linear data modulation and spreading scheme. The interference components, including the interchip interference (ICI) of a linear receiver output, are shown to be asymptotically jointly Gaussian random variables conditioned on the phases and delays of the interfering signals. Expressions for the error probabilities of band-limited systems are also developed from this result.
引用
收藏
页码：759 / 766
页数：8
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