Blind adaptive kalman filter-based multiuser detector over a multipath fading channel

被引：7
|
作者：
Liu, X [1 ]
Teh, KC [1 ]
Gunawan, E [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
IEEE COMMUNICATIONS LETTERS | 2004年 / 8卷 / 06期
关键词：
blind multiuser detection; code-division multipleaccess (CDMA); Kalman filtering; linear prediction;
D O I：
10.1109/LCOMM.2004.828186
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
An adaptive blind multiuser detection algorithm is proposed for asynchronous direct-sequence code-division multiple-access (DS-CDMA) systems based on a modified constrained Kalman filter over a multipath fading channel. This detector is shown to outperform the present least mean squares filter in bit-error-rate and convergence rate, and it is shown to have a better tracking capability under a dynamic environment where the number of users will change frequently with time.
引用
收藏
页码：342 / 344
页数：3
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