Blind adaptive multiuser detection based on affine projection algorithm

被引：15
|
作者：
Li, J [1 ]
Zhang, XD [1 ]
机构：
[1] Tsing Hua Univ, Tsinghua Natl Lab Informat Sci & Technol, Dept Automat, Beijing 100084, Peoples R China
来源：
IEEE SIGNAL PROCESSING LETTERS | 2005年 / 12卷 / 10期
基金：
中国国家自然科学基金;
关键词：
affine projection algorithm (APA); blind multiuser detection; code-division multiple access (CDMA); minimum output energy;
D O I：
10.1109/LSP.2005.853053
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 letter, we introduce a novel blind multiuser detector based on the affine projection algorithm (APA) for direct-sequence code-division multiple-access (DS-CDMA) systems. Computational complexities of least mean-squares (LMS), recursive least squares (RLS), Kalman, and APA-based blind multiuser detection algorithms are compared. The proposed technique has similar convergence and tracking properties as the RLS algorithm with much reduced computational cost. Simulation results are presented to compare our APA-based algorithm with the blind LMS, RLS, and Kalman schemes.
引用
收藏
页码：673 / 676
页数：4
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