Blind RLS-Based Detection Using GSC with DF for STBC MC-CDMA Systems Under Mismatched Channel Estimation

被引：0
|
作者：
Jen, Chih-Wei [1 ]
机构：
[1] ROC Mil Acad, Dept Elect Engn, Kaohsiung 830, Taiwan
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2014年 / 77卷 / 04期
关键词：
STBC; MC-CDMA; Signature waveform mismatch; Double-feedback; Detection; RECEIVERS;
D O I：
10.1007/s11277-014-1693-3
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Under Rayleigh fading channels, a common problem with blind multiuser space-time block coded (STBC) multicarrier code division multiple access (MC-CDMA) detectors is that their performance is very sensitive to the signature waveform mismatch (SWM) induced by channel estimation distortion. This paper presents a robust detector using the generalized sidelobe canceller with a double-feedback filter that effectively mitigates the channel estimation distortion for the STBC MC-CDMA system during multipath fading. Numerical simulations show that the proposed detector substantially provides robustness against small-to-medium SWM scenarios for a downlink STBC MC-CDMA system.
引用
收藏
页码：3041 / 3049
页数：9
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