Signal detection for space-frequency OFDM systems with quasi-orthogonal space-time block codes

被引：0
|
作者：
Song, LY [1 ]
Burr, AG [1 ]
机构：
[1] Univ York, Dept Elect, York YO10 5DD, N Yorkshire, England
来源：
VTC2005-SPRING: 2005 IEEE 61ST VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, PROCEEDINGS | 2005年
关键词：
space-time block codes; OFDM; space-frequency codes;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we use a quasi-orthogonal STBC (QO-STBC) instead of the conventional O-STBC as the inner code for OFDM MIMO systems, resulting in quasi-orthogonal space-frequency block coding (QOSFBC). Due to the effect of multi-path, the conventional signal detector in Ill will cause an irreducible error floor in the high signal-to-noise ratio (SNR) region for these new QO-SF-OFDM systems This paper addresses this issue by employing a Zero-forcing approach, which has the potential advantage of low complexity and can fully remove the error floor.
引用
收藏
页码：1082 / 1085
页数：4
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