一种用于CO-OFDM系统中发射机IQ失配估计与补偿的训练符号结构设计

2021 19th International Conference on Optical Communications and Networks (ICOCN) Pub Date : 2021-08-23 DOI:10.1109/ICOCN53177.2021.9563885

Xiu-rong Ma, Jingjing Li, Yunlong Shan, Yu Chen

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引用次数: 1

摘要

本文提出了一种由两个相邻训练符号组成的训练符号结构，用于估计相干光正交频分复用(CO-OFDM)系统中发射机的相位/正交(IQ)失配和信道信息。该方案的每个训练符号都有两个互为镜像的子集，其中一个子集的值设为零。高速仿真结果表明，该方案提高了系统性能。

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A novel training symbol structure design for transmitter IQ mismatch estimation and compensation in CO-OFDM system

In this paper, a new training symbol structure consists of two adjacent training symbols is proposed to estimate transmitter in-phase/quadrature(IQ) mismatch and channel information in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. Each training symbol of the proposed scheme has two subsets which are mirror images of each other, and one subset values are set to zeros. Simulation in high speed gives the results that proved the proposed scheme increased the system performance.

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2021 19th International Conference on Optical Communications and Networks (ICOCN)

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