Novel Channel Estimation Method in Broadband MIMO-OFDM Systems

被引：1
作者：
焦慧颖
安建平
机构：
[1] Beijing 100081
[2] China
[3] School of Information Science and Technology Beijing Institute of Technology
来源：
Journal of Beijing Institute of Technology | 2007年 / 03期
关键词：
multiple input multiple output(MIMO); orthogonal frequency division multiplexing(OFDM); channel estimation; parametric channel model; time delay estimation;
D O I：
10.15918/j.jbit1004-0579.2007.03.011
中图分类号：
TN919.72 [无线数据通信];
学科分类号：
0810 ; 081001 ;
摘要：
A least square(LS)parametric channel estimation method in broadband multiple input multiple output(MIMO)orthogonal frequency division multiplexing(OFDM)systems is proposed.The mean square error(MSE)performance using optimal training pilots is also given,which proves the method can improve the estimation precision greatly in sparse channel.Since such method needs the multi-path time delays information of the channel,the probabilistic data association(PDA)method is employed to estimate the time delay of each path.Simulation results show that both the bit error rate(BER)and the MSE performance of the proposed method are better than the traditional LS channel estimation method.
引用
收藏
页码：290 / 294
页数：5
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