Applications of advanced modulation formats in short-range optical communication systems

Wang Zhixin; Tao Li; Huang Xingxing; Wang Yiguang; Chi Nan

doi:10.13756/j.gtxyj.2014.03.004

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Applications of advanced modulation formats in short-range optical communication systems

- Applications of advanced modulation formats in short-range optical communication systems
- Study on Optical communication Issue 3, Pages: 11-14(2014)
- 作者机构：
  
  复旦大学通信科学与工程系
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.03.004
  CLC： TN929.1
- Published：2014，
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[1]王智鑫,陶理,黄星星,王一光,迟楠.用于短距离光通信系统中的先进调制格式研究[J].光通信研究,2014(03):11-14+55.

Wang Zhixin, Tao Li, Huang Xingxing, et al. Applications of advanced modulation formats in short-range optical communication systems. [J]. (3):11-14(2014)
[1]王智鑫,陶理,黄星星,王一光,迟楠.用于短距离光通信系统中的先进调制格式研究[J].光通信研究,2014(03):11-14+55. DOI： 10.13756/j.gtxyj.2014.03.004.

Wang Zhixin, Tao Li, Huang Xingxing, et al. Applications of advanced modulation formats in short-range optical communication systems. [J]. (3):11-14(2014) DOI： 10.13756/j.gtxyj.2014.03.004.

摘要

在长距离光通信系统中

采用高阶外调制和相干接收技术来提高系统总的传输容量。但是在短距离光通信系统中更倾向于使用低成本的直接调制-直接检测技术

此时

要实现高速、大容量传输就必须采用多电平调制。目前国际上主流的调制方案有三种:PAM（脉冲幅度调制）、DD-OFDM（直接检测-正交频分复用）调制和CAP（无载波幅度相位）调制

文章对这三种方案的原理与性能进行了分析与比较

希望以此作为未来短距离大容量光通信系统设计的依据。

Abstract

High-order external modulation and coherent detection technology are generally used in long-haul optical communication systems to improve the overall system transmission capacity.However

a low-cost direct modulation-direct detection technology tends to be more used in short-haul optical communication systems.In this case

it is necessary to adopt advanced multilevel modulation to realize high-rate large-capacity transmission.Currently

there are three principal modulation schemes considered internationally

i.e.Pulse Amplitude Modulation（PAM）

Direct Detection-Orthogonal Frequency Division Multiplexing（DD-OFDM）modulation

Carrierless Amplitude/Phase（CAP）modulation.This paper analyzes and compares their principles and performances

hoping to use them as the basis for the design of future short-haul large-capacity optical communication systems.

关键词

短距离光通信脉冲幅度调制无载波幅度相位调制直接检测-正交频分复用

Keywords

short-haul optical communicationPAMCAP modulationDD-OFDM

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