An improved training-sequence-based OFDM synchronization algorithm

Ma Yangjun1; Hu Yaoming2

doi:10.13756/j.gtxyj.2009.06.019

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An improved training-sequence-based OFDM synchronization algorithm

- An improved training-sequence-based OFDM synchronization algorithm
- Study on Optical communication Issue 6, Pages: 65-67(2009)
- 作者机构：
  
  1. 杭州电子科技大学
  2. 中国电子科技集团公司第五十研究所
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2009.06.019
  CLC： TN919.3
- Published：2009，
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[1]马杨军,胡耀明.一种基于训练序列的改进的OFDM同步算法[J].光通信研究,2009(06):65-67.

Ma Yangjun1, Hu Yaoming2. An improved training-sequence-based OFDM synchronization algorithm. [J]. (6):65-67(2009)
[1]马杨军,胡耀明.一种基于训练序列的改进的OFDM同步算法[J].光通信研究,2009(06):65-67. DOI： 10.13756/j.gtxyj.2009.06.019.

Ma Yangjun1, Hu Yaoming2. An improved training-sequence-based OFDM synchronization algorithm. [J]. (6):65-67(2009) DOI： 10.13756/j.gtxyj.2009.06.019.

摘要

文章在研究S&C算法和Park算法的基础上

提出一种基于训练序列的改进的正交频分复用（OFDM）同步算法。改进后的算法只使用一个训练符号

并通过对训练符号在时域乘以差分序列来消除定时同步中的峰值平台问题

通过对接收端和发射端的训练符号在频域的自相关性来估计载波整数倍频偏。改进后的算法在定时同步和载波频偏的纠正上较S&C算法有了较大的提高。

Abstract

On the basis of the study of S&C and Park algorithms

this paper proposes an improved training-sequence-based OFDM synchronization algorithm

in which only one training sequence is used.By using this algorithm

the plateau in timing synchronization is eliminated by multiplying the training sequence by difference sequence in time domain and the integer-carrier frequency offset estimated by the self-correlation of the training sequence between the receiver and transmitter in frequency domain.It is much better than the S&C algorithm in timing synchronization and carrier frequency offset correction.

关键词

正交频分复用同步训练序列

Keywords

OFDMsynchronizationtraining sequence

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College of Electrical Engineering,Henan University of Technology

Electronics and Information Technology College,Guizhou University

贵州大学电子科学与信息技术学院贵州贵阳550025

College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications

School of Electrical and Electronic Engineering, Beijing University of Posts and Telecommunications

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