A two-stage approach with CMA and ILS to blind multiuser detection

被引：0

作者：

Nakanishi, G ^{[1
]}

Shibata, K ^{[1
]}

Sakai, T ^{[1
]}

Nakagaki, A ^{[1
]}

机构：

[1] Kitami Inst Technol, Dept Comp Sci, Kitami, Hokkaido 0908507, Japan

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2002年 / E85A卷 / 10期

关键词：

digital mobile communication; DS-CDMA; blind multiuser detection; LCCM and ILS algorithms;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Multiple access interference (MAI) due to many simultaneous users is the main factor that limits the performance of DS-CDMA system. Multiuser detection is a method to avoid performance degradation due to MAI. We propose a blind multiuser detection method based on the algorithm consisting of two-stage decoding process, i.e., linearly constrained constant modulus (LCCM) and iterative least squares (ILS). The computer simulations confirmed that the algorithm is near-far resistant and that the proposed method is effective in the application to the slow fading channels.

引用

页码：2276 / 2279

页数：4

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