Multi-user detection for mutually orthogonal sequences with space-time coding

被引：1

作者：

Özgür, S ^{[1
]}

Williams, DB ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS | 2003年

关键词：

D O I：

10.1109/VETECF.2003.1285073

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we exploit the properties of mutually orthogonal (MO) complementary sets and Space-Time (ST) codes for multi-user communications with spatial diversity. ST codes enable the uncoupling of the data channels from the transmitter to the receiver. The properties of the MO sequences are used to distinguish between the desired user and the interferers. As a result we achieve a high order of diversity in flat Rayleigh fading channels and the ability to cancel multi-user interference (MUI). When the interferers' received power approaches the received power of the desired user, some performance loss is seen. This degradation resembles the near-far effect with some direct sequence code division multiple access (DS-CDMA) receivers.

引用

页码：527 / 531

页数：5

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