An Improved Algorithm for OFDM Symbol Timing Synchronization

LI Yan-ping; ZHANG Li-yong(

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An Improved Algorithm for OFDM Symbol Timing Synchronization

更新时间：2026-07-10

- An Improved Algorithm for OFDM Symbol Timing Synchronization
- Vol. 17, Issue 3, Pages: 62-64(2012)
- 作者机构：
  
  1. 哈尔滨理工大学测控技术与通信工程学院
  2. 黑龙江工程学院电子工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.3
- Published：2012
- 稿件说明：
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LI Yan-ping, ZHANG Li-yong(. An Improved Algorithm for OFDM Symbol Timing Synchronization[J]. 2012, 17(3): 62-64.
DOI：

LI Yan-ping, ZHANG Li-yong(. An Improved Algorithm for OFDM Symbol Timing Synchronization[J]. 2012, 17(3): 62-64. DOI：

摘要

最大似然算法即ML算法的计算复杂度低

且其以循环前缀与OFDM最后一部分符号的相关性进行OFDM同步估计

节省了系统的带宽资源

因而

ML算法是OFDM同步算法中很经典的算法之一.为改善ML算法在低信噪比时的同步性能

提出了一种新的OFDM同步算法.该算法对ML算法的定时测度函数进行改进

所得的新算法不仅保留了原ML算法的优势

且改善了原ML算法在低信噪比下的均值误差和均方误差.

Abstract

Maximum likelihood algorithm(ML algorithm) has low computational complexity

and it implements OFDM synchronization estimation by the correlation between cyclic prefix and the last part symbols of OFDM

which saves the bandwidth resource of the system.So ML algorithm is one of classical OFDM synchronization algorithms.A novel algorithm is proposed by improving the timing metric function of ML algorithm.The proposed method has the advantages of ML algorithm and improves the mean error and MSE of ML...

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Related Author

ZHANG Rui

LIU Shi-hui

SAI Ying-fu

LI Yan-ping

ZHANG Li-yong

Related Institution

School of Automation

School of Measurement-Control Technology and Communication Engineering,Harbin University of Science and Technology

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