An Adaptive Channel Estimation Technique in MIMO OFDM Systems

被引：0
|
作者：
Pei-Sheng Pan and Bao-Yu Zheng School of Communication & Information Engineering
机构：
来源：
Journal of Electronic Science and Technology | 2008年 / 03期
关键词：
Adaptive; channel estimation; frequency domain; MIMO OFDM; recursive least squares;
D O I：
暂无
中图分类号：
TN919.3 [数据传输技术];
学科分类号：
0810 ; 081001 ;
摘要：
In this paper, an adaptive channel estimation for MIMO OFDM is proposed. A set of pilot tones first are placed in each OFDM block, then the channel frequency response of these pilot tones are adaptively estimated by recursive least squares (RLS) directly in frequency domain not in time domain. Then after the estimation of the channel frequency response of pilot tones, to obtain the channel frequency response of data tones, a new interpolation method based on DFT different from traditional linear interpolation method according to adjacent pilot tones is proposed. Simulation results show good performance of the technique.
引用
收藏
页码：313 / 316
页数：4
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