A blind space-time adaptive multiuser detector for DS-CDMA communication systems

被引：0
|
作者：
Kwak, J [1 ]
Lu, IT [1 ]
机构：
[1] Polytech Univ, Dept Elect Engn, Ctr Adv Technol Telecommun, Brooklyn, NY 11201 USA
来源：
ICC 98 - 1998 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS VOLS 1-3 | 1998年
关键词：
D O I：
暂无
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：
A novel blind space-time algorithm for multiuser detection with interference rejection in DS-CDMA cellular communication systems is presented. Beamforming and equalization are performed simultaneously where complex weights are adaptively determined by a hybrid combination of the constant modulus algorithm and the decision-directed algorithm. The adaptive scheme converges approximately after 100 iteration steps when the input SNR is 10dB. The performance of the proposed approach is as good as the least mean square approach using training sequences. And a 20dB enhancement of SINR is obtained when the maximum difference of the received signal power is up to 6dB.
引用
收藏
页码：1069 / 1073
页数：5
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