BLIND PARALIND SPACE-TIME MULTIUSER DETECTION FOR ASYNCHRONOUS CDMA SYSTEM

被引：1

作者：

Zhang Xiaofei ^{[1
]}

Feng Gaopeng ^{[1
]}

Xu Dazhuan ^{[1
]}

Gao Xin ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing 210016, Peoples R China

来源：

JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS | 2009年 / 18卷 / 03期

关键词：

Space-time multiuser detection; asynchronous CDMA system; parallel profiles with linear dependencies; DIRECTION-OF-ARRIVAL; CANONICAL DECOMPOSITION; PERFORMANCE ANALYSIS; RECEIVER; ANTENNA;

D O I：

10.1142/S0218126609005344

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 links the asynchronous CDMA system signal detection problem to the parallel profiles with linear dependencies (PARALIND), and derives a deterministic blind PARALIND algorithm whose performance is close to nonblind space-time minimum mean square error method. The proposed algorithm has the better performance than space-time matched filter, supports small sample sizes, and even works well in array error condition. Most notably, it does not require knowledge of the direction of arrival and channel fading information.

引用

页码：503 / 517

页数：15

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