| 迭代KALMAN信道估计算法在MIMO-OFDM系统的性能仿真研究 |
| |
| 引用本文： | 李 媚,王 向,郭立炜.迭代KALMAN信道估计算法在MIMO-OFDM系统的性能仿真研究[J].河北科技大学学报,2010,31(6):550-552,567. |
| |
| 作者姓名： | 李 媚 王 向 郭立炜 |
| |
| 作者单位： | 河北科技大学信息科学与工程学院,河北石家庄050018 |
| |
| 摘 要： | 讨论了MIMO-OFDM通信系统中时变信道估计的KALMAN滤波算法。为了提高传统KALMAN信道估计算法的性能,提出了一种迭代KALMAN滤波算法,将整个子载波分为2部分:一部分用于发送导频,另一部分用于发送信号。在一个OFDM符号块中,对导频子载波和信号子载波处的无线信道进行循环估计,从而提高信道估计的精度。仿真结果表明,迭代KALMAN滤波算法的性能好于传统KALMAN滤波算法。
|
| 关 键 词： | 多输入多输出 正交频分复用 信道估计 卡尔曼滤波算法 |
| 收稿时间： | 2010/4/24 0:00:00 |
| 修稿时间： | 2010/6/28 0:00:00 |
Research in performance of iterative KALMAN channel estimation algorithm in MIMO-OFDM system |
| |
| LI Mei,WANG Xiang and GUO Li-wei.Research in performance of iterative KALMAN channel estimation algorithm in MIMO-OFDM system[J].Journal of Hebei University of Science and Technology,2010,31(6):550-552,567. |
| |
| Authors: | LI Mei WANG Xiang and GUO Li-wei |
| |
| Institution: | (College of Information Science and Engineering,Hebei University of Science and Technology,Shijiazhuang Hebei 050018,China) |
| |
| Abstract: | This paper discussed the KALMAN filtering algorithm in MIMO-OFDM system.To improve the algorithm performance,it proposed an iterative KALMAN strategy.By dividing all of the subcarriers into two parts,i.e.,is pilot sub-carrier and signal sub-carrier,the channels on pilot sub-carrier and signal sub-carrier are estimated iteratively in one OFDM symbol block.Simulation result shows that the performance of the iterative algorithm is better than general KALMAN algorithm. |
| |
| Keywords: | multiple-input multiple-output orthogonal frequency division multiplexing channel estimation KALMAN filtering algorithm |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《河北科技大学学报》浏览原始摘要信息 |
| 点击此处可从《河北科技大学学报》下载免费的PDF全文 |
