| OFDM系统中基于变换域信道估计方法的改进 |
| |
| 引用本文： | 郭建英,王胜坤. OFDM系统中基于变换域信道估计方法的改进[J]. 中国电子科学研究院学报, 2007, 2(1): 80-83 |
| |
| 作者姓名： | 郭建英 王胜坤 |
| |
| 作者单位： | 太原理工大学,太原,030024;太原理工大学,太原,030024 |
| |
| 摘 要： | 在分析信道传输函数频谱特性的基础上,提出了一种改进的变换域信道估计方法,该方法通过改进低通滤波器的传输函数,有效地减小了符号间干扰和加性高斯白噪声对信道估计精确度的影响.仿真结果证明,在多普勒频移较大的情况下,该方法仍具有较小的误码率.
|
| 关 键 词： | 正变频分复用系统 信道估计 低通滤波器 |
| 文章编号： | 1673-5692（2007）01-080-04 |
| 修稿时间： | 2006-12-262007-01-15 |
New Improved Transform-domain Channel Estimation Method for OFDM Systems |
| |
| GUO Jian-ying,WANG Sheng-kun. New Improved Transform-domain Channel Estimation Method for OFDM Systems[J]. Journal of China Academy of Electronics and Information Technology, 2007, 2(1): 80-83 |
| |
| Authors: | GUO Jian-ying WANG Sheng-kun |
| |
| Affiliation: | Taiyuan University of Technology, Taiyuan 030024, China |
| |
| Abstract: | Based on the characteristics of channel function,a new improved transform domain channel estimation method is presented in this paper.This method reduces ICI and AWGN in the receiving signal effectively by improving the low pass filter.Simulation proves that this method could provide better performance. |
| |
| Keywords: | OFDM ICI low pass filter |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
