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Frequency synchronization based on a cascading cross-correlation function for CO-FBMC-OQAM
Wang, Daobin1; Chen, Bo1; Lyu, Ningning2; Wang, Wei1; Liu, Junjie1; Yuan, Lihua1
2020-07
发表期刊Chinese Journal of Electronics
ISSN10224653
卷号29期号:4页码:724-730
摘要

We present a robust frequency synchronization algorithm for the Coherent optical Offset quadrature-amplitude modulation based Filter-bank multicarrier (CO-FBMC-OQAM) systems. It is a two-stage method operating in the frequency domain, which expands the estimated range of the normalized fractional frequency offset to (-1;+1). We designed and introduced a cascading cross-correlation function of real-valued pilots to roughly estimate the frequency offset in the first stage. The residual frequency offset was accurately tracked by a non-cascading cross-correlation function afterwards. This approach enlarges the maximum estimated range, and also resists interference and noise. A CO-FBMC-OQAM system with the sampling rate of 50 Gsample/s was numerically investigated to evaluate the frequency-offset estimation and compensation capability. All obtained results prove that the proposed frequency synchronization method can correct the laser-frequency offset and improve the transmission performance significantly. © 2020 Chinese Institute of Electronics.

关键词Frequency allocation Frequency domain analysis Quadrature amplitude modulation Synchronization Tunneling (excavation) Cross-correlation function Fractional frequency offset Frequency offset estimation Frequency synchronization Frequency synchronization algorithms Offset quadrature amplitude modulations Residual frequency offset Transmission performance
DOI10.1049/cje.2020.05.019
收录类别SCI ; SCIE ; EI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Electrical & Electronic
WOS记录号WOS:000575267100017
出版者Institution of Engineering and Technology
EI入藏号20203809192451
EI主题词Frequency estimation
EI分类号401.2 Tunnels and Tunneling - 716.3 Radio Systems and Equipment - 921.3 Mathematical Transformations - 961 Systems Science
来源库Compendex
分类代码401.2 Tunnels and Tunneling - 716.3 Radio Systems and Equipment - 921.3 Mathematical Transformations - 961 Systems Science
引用统计
被引频次[WOS]:0   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/115020
专题理学院
兰州理工大学
通讯作者Wang, Daobin
作者单位1.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China;
2.Lanzhou Univ Technol, Sch Elect & Informat Engn, Lanzhou 730050, Peoples R China
第一作者单位理学院
通讯作者单位理学院
第一作者的第一单位理学院
推荐引用方式
GB/T 7714
Wang, Daobin,Chen, Bo,Lyu, Ningning,et al. Frequency synchronization based on a cascading cross-correlation function for CO-FBMC-OQAM[J]. Chinese Journal of Electronics,2020,29(4):724-730.
APA Wang, Daobin,Chen, Bo,Lyu, Ningning,Wang, Wei,Liu, Junjie,&Yuan, Lihua.(2020).Frequency synchronization based on a cascading cross-correlation function for CO-FBMC-OQAM.Chinese Journal of Electronics,29(4),724-730.
MLA Wang, Daobin,et al."Frequency synchronization based on a cascading cross-correlation function for CO-FBMC-OQAM".Chinese Journal of Electronics 29.4(2020):724-730.
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