Wiener LMS channel estimation and tracking algorithm for OFDM systems with transmitter diversity

BAI Bin-feng1; CAI Yue-ming1; XU Xin1

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Wiener LMS channel estimation and tracking algorithm for OFDM systems with transmitter diversity

更新时间：2024-10-14

- Wiener LMS channel estimation and tracking algorithm for OFDM systems with transmitter diversity
- Issue 7, Pages: 66-72(2006)
- 作者机构：
  
  1. 解放军理工大学通信工程学院
  2. 解放军理工大学通信工程学院江苏南京210007 总参第63研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.3
- Published：2006
- 稿件说明：
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BAI Bin-feng1, CAI Yue-ming1, XU Xin1. Wiener LMS channel estimation and tracking algorithm for OFDM systems with transmitter diversity[J]. 2006, (7): 66-72.
DOI：

BAI Bin-feng1, CAI Yue-ming1, XU Xin1. Wiener LMS channel estimation and tracking algorithm for OFDM systems with transmitter diversity[J]. 2006, (7): 66-72. DOI：

摘要

针对发射分集的OFDM(orthogonal frequency divided multiplexing)系统

提出了一种维纳LMS信道估计和跟踪算法。该算法利用维纳预测技术提高了跟踪信道变化的能力。仿真结果表明

该算法实现了信道的可靠估计

与传统的LMS算法和LIYe提出的简化信道估计算法相比

性能得到较大的提高

这种性能的提高在信道变化较快的条件下更为明显。

Abstract

A Wiener LMS channel estimating and tracking algorithm for OFDM systems with transmitter diversity was proposed. The algorithm used Wiener prediction technology to improve the ability of tracking channel. The simulation results show that the algorithm achieve reliable channel estimation. The performance is improved greatly compared with conventional algorithm LMS algorithm and simplified algorithm proposed by LIYe and this improvement is obvious under fast varying channel.

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