An HARQ scheme with antenna switching for V-BLAST system

被引：0
|
作者：
Kim, B [1 ]
Shim, D [1 ]
机构：
[1] LG Elect Inc, UMTS Syst Res LAB, Standardizat & Syst Res Ctr, Anyang 431080, Gyonggi Do, South Korea
来源：
CCCT 2003 VOL, 2, PROCEEDINGS: COMMUNICATIONS SYSTEMS, TECHNOLOGIES AND APPLICATIONS | 2003年
关键词：
BLAST; V-BLAST; HARQ; antenna switching; channel correlation;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Bell-labs layered space-time (BLAST) achieves high spectral efficiency in rich scattering environments by transmitting independent data streams via each transmit antenna. However, this high spectral efficiency is significantly reduced if the signals ate the receiver go through correlated channels. In this paper, we propose a hybrid automatic request (HARQ) scheme to alleviate the adverse effect of the channel correlation by simply switching the transmission in retransmission. With the proposed scheme, we can achieve significant improvement over the correlated channels with negligible complexity increase.
引用
收藏
页码：55 / 59
页数：5
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