An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted l<sub>p</sub>-Correlation

LI Zhou-fan; LI Dan; ZHANG Jian-qiu

doi:10.3969/j.issn.0372-2112.2017.11.002

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An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted l_p-Correlation

更新时间：2025-07-16

- An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted l_p-Correlation
- Acta Electronica Sinica Vol. 45, Issue 11, Pages: 2575-2581(2017)
- 作者机构：
  
  复旦大学信息科学与工程学院, 智慧网络与系统研究中心和电子工程系,上海,200433
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61571131)
- DOI：10.3969/j.issn.0372-2112.2017.11.002
  CLC： TN929.5
- Published Online：25 November 2017，
  
  Published：2017
- 稿件说明：
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LI Zhou-fan, LI Dan, ZHANG Jian-qiu. An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted l_p-Correlation[J]. Acta Electronica Sinica, 2017, 45(11): 2575-2581.
DOI：

LI Zhou-fan, LI Dan, ZHANG Jian-qiu. An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted l_p-Correlation[J]. Acta Electronica Sinica, 2017, 45(11): 2575-2581. DOI： 10.3969/j.issn.0372-2112.2017.11.002.

摘要

为实现正交频分复用（Orthogonal Frequency Division Multiplexing，OFDM）系统的时域同步，本文利用ZC（Zadoff-Chu）序列提出了类奈曼-皮尔逊检验加权的

（

=1或2）相关（Neyman-Pearson-like test Weighted

-Correlation，

-NPWC）同步算法.分析表明：该算法利用类奈曼-皮尔逊检验能有效抑制多径效应对

相关同步的影响，特别地，当取

=1时，它对重尾分布噪声及循环前缀导致的伪峰具有极强的鲁棒性.实验及仿真结果均证明了理论分析的正确性和有效性，并表明本文算法相较于现有算法在各种干扰环境中均具有更高的同步精度和性能.

Abstract

An interference robust synchronization algorithm with Neyman-Pearson-like test weighted

-Correlation (

-NPWC) for the timing synchronization of an Orthogonal Frequency Division Multiplexing (OFDM) system is presented by a Zadoff-Chu (ZC) sequence.The analytical results show that our Neyman-Pearson-like test weighted synchronization algorithm can reduce the multipath effects on the

correlation synchronization

where

=1 or 2.Especially

when

it is found that our algorithm is robust to the noise with a heavy-tailed distribution and fake peaks caused by a cyclic prefix.Both experiment and simulation results verify the effectiveness of analytical ones

while our algorithm is shown with higher synchronization accuracy than those of the known ones in literature.

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An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted lp-Correlation

DOI：10.3969/j.issn.0372-2112.2017.11.002

摘要

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An Interference Robust Synchronization Algorithm with Neyman-Pearson-Like Test Weighted l_p-Correlation