Semi-blind channel estimation for OFDM-STC

被引：0
|
作者：
Wu, Y [1 ]
Luo, HW [1 ]
Huang, AG [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai, Peoples R China
来源：
PROCEEDINGS OF 2005 IEEE INTERNATIONAL WORKSHOP ON VLSI DESIGN AND VIDEO TECHNOLOGY | 2005年
关键词：
D O I：
10.1109/IWVDVT.2005.1504593
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A semi-blind method is proposed for estimating the channel responses of OFDM-STC system with three transmit antennas and one receive antenna. Firstly, a subspace-based algorithm is introduced to estimate the channel responses subject to one ambiguity parameter. Secondly, a method is presented to resolve the ambiguity by using optimum sequences. Computation simulations show this semi-blind method outperforms training sequences based non-blind methods for it incorporates the information of both known and unknown transmitted symbols.
引用
收藏
页码：231 / 233
页数：3
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