Blind reception of multicarrier DS-CDMA using antenna arrays

被引：14

作者：

Sadler, DJ ^{[1
]}

Manikas, A ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Elect Engn & Elect, Commun & Signal Proc Res Grp, London SW7 2BT, England

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2003年 / 2卷 / 06期

关键词：

antenna arrays; blind receivers; diversity methods; interference cancellation; multicarrier CDMA; space-time processing;

D O I：

10.1109/TWC.2003.819025

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 paper, an asynchronous, multicarrier direct-sequence code-division multiple-access (DS-CDMA) array receiver is proposed based upon blind, composite channel vector estimation. Due to the fact that the combined effect of all received paths is estimated, the total number of paths can be greater than the number of antennas in the receiver array. Furthermore, the proposed approach is not limited by multipath coherency. The receiver is classified as an interference cancelling zero-forcing receiver, and multicarrier operation in a frequency-selective channel means that its performance can exceed that of a single-carrier array DS-CDMA. The effectiveness of the proposed approach, even in the presence of strong interference, is demonstrated by computer simulation studies.

引用

页码：1231 / 1239

页数：9

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