An enhanced V-BLAST system for reduced-complexity tree searching

被引：0

作者：

Kim, Hyounkuk ^{[1
]}

Jeon, Kihwan ^{[1
]}

Hwang, Sungsoo ^{[2
]}

Park, Hyuncheol ^{[1
]}

机构：

[1] Informat Commun Univ ICU, 119 Munjiro, Taejon 305714, South Korea

[2] Samsung Elect Co, Next Generat Syst Team Telecommun R&D Ctr, Suwon 443742, South Korea

来源：

2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 | 2007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：

This paper presents a new vertical Bell labs layered space-time (V-BLAST) transmission scheme for developing reduced-complexity receiver. It can significantly alleviate the receiver complexity in sense of tree searching of the QRD-M algorithm. The new V-BLAST system is designed by two criteria: minimum performance loss and maximum complexity reduction. In a 4 x 4 V-BLAST system with 16 bps/Hz, the former can lessen about 51% metric computations with 1.0 dB performance degradation, compared with the conventional V-BLAST system with the QRD-M algorithm. The latter can achieve approximately 65% complexity reduction at the expense of 3.0 dB performance penalty.

引用

页码：1074 / +

页数：2

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