Semiblind channel and carrier frequency-offset estimation for orthogonally space-time block coded MIMO systems

被引：0
|
作者：
Shahbazpanahi, Shahram [1 ]
Gershman, Alex [2 ]
Giannakis, Georgios B. [3 ]
机构：
[1] Univ Ontario, Inst Technol, Oshawa, ON L1H 7K4, Canada
[2] Tech Univ Darmstadt, D-64283 Darmstadt, Germany
[3] Univ Minnesota, Minneapolis, MN 55455 USA
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL II, PTS 1-3 | 2007年
关键词：
channel and frequency offset estimation; MIMO systems; orthogonal space-time block codes;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The problem of joint channel and carrier frequency offset (CFO) estimation is addressed in the context of multiple-input multiple-output (MIMO) communications using orthogonal space-time-block codes (OSTBCs). A new semiblind method is proposed to jointly estimate the channel matrix and the CFO parameter. Our method blindly estimates the CFO parameter along with a low-dimensional subspace where the channel is located, and then uses a few training blocks to extract the channel parameters from this subspace.
引用
收藏
页码：869 / +
页数：2
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