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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/28518

Title: Heterogeneous information aided semiblind group MUD for MIMO MC-CDMA systems
Authors: Hoang-Yang Lu;Wen-Hsien Fang;Yie-Tarng Chen;Kuo-Liang Yeh
Contributors: NTOU:Department of Electrical Engineering
國立臺灣海洋大學:電機工程學系
Date: 2007-10
Issue Date: 2011-10-21T02:37:53Z
Publisher: Vehicular Technology Conference, 2007. VTC-2007 Fall. 2007 IEEE 66th
Abstract: Abstract:This paper presents an effective semiblind group multiuser detector (MUD) for uplink multiple-input multiple- output (MIMO) multi-carrier code division multiple access (MC- CDMA) systems. The MUD considered is a two-stage linear constrained minimum variance (LCMV) detector which uses heterogeneous information (both hard and soft) to enhance the interference cancellation capability. The first stage LCMV detector produces a tentative detection output, while at the second stage a bank of soft LCMV detectors successively refine the estimated interference group by group with the assistance of the heterogeneous information in the symbol detection process. In addition, to avoid the annoying ordering mechanism, a channel- strength criterion is employed to order the groups at the second stage. Conducted simulations show that the proposed MUD can drastically enhance the performance compared with previous works, especially when the hardware cost is at a premium.
Relation: pp.730-734
URI: http://ntour.ntou.edu.tw/handle/987654321/28518
Appears in Collections:[電機工程學系] 演講及研討會

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