Performance of multicarrier DS-CDMA systems with time-limited chip waveforms

被引：4

作者：

Nguyen, HH ^{[1
]}

机构：

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

来源：

CANADIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING-REVUE CANADIENNE DE GENIE ELECTRIQUE ET INFORMATIQUE | 2004年 / 29卷 / 1-2期

关键词：

D O I：

10.1109/CJECE.2004.1425793

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper studies the effect of time-limited chip waveform shaping on the performance of multicarrier direct-sequence code division multiple access (MC-DS-CDMA) systems. The performance criterion is the average multiple access interference (MAI) at the output of a correlation receiver. Comparison among different chip waveforms is made based on a fixed bit rate and a fixed total bandwidth, where the fractional out-of-band power (FOBP) definition is used. It is demonstrated that, compared to the performance of sing-le-carrier DS-CDMA (SC-DS-CDMA) systems, the performance of MC-DS-CDMA systems is less sensitive to the chip waveform shaping. Moreover, the relative performance of MC-DS-CDMA systems using different time-limited chip waveforms depends heavily on the bandwidth definition and is also very different compared to that of SC-DS-CDMA systems.

引用

页码：23 / 29

页数：7

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