Carrier frequency offset estimation based on circular harmonic expansion for optical coherent M-QAM communication systems

2015 Opto-Electronics and Communications Conference (OECC) Pub Date : 2015-12-03 DOI:10.1109/OECC.2015.7340175

Trung-Hien Nguyen, M. Joindot, M. Gay, L. Bramerie, J. Simon, P. Scalart, O. Sentieys

引用次数: 5

Abstract

Circular harmonic expansion-based carrier frequency offset estimation is investigated for optical M-QAM communication systems. The proposed method, combined with a gradient-descent algorithm, shows better performance compared to already proposed VVMFOE and 4th power methods.

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基于圆谐波展开的光相干M-QAM通信系统载波频偏估计

研究了基于圆谐波展开的M-QAM光通信系统载波频偏估计。该方法与梯度下降算法相结合，与已有的VVMFOE和4次幂方法相比，具有更好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2015 Opto-Electronics and Communications Conference (OECC)

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