用于短距离光通信系统中的先进调制格式研究
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。...
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Published in | Guangtongxin Yanjiu pp. 11 - 14 |
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Main Authors | , , , , |
Format | Journal Article |
Language | Chinese |
Published |
《光通信研究》编辑部
01.01.2014
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Subjects | |
Online Access | Get full text |
ISSN | 1005-8788 |
DOI | 10.13756/j.gtxyj.2014.03.004 |
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Abstract | 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。 |
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AbstractList | 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。 |
Author | 迟楠 王智鑫 陶理 黄星星 王一光 |
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Snippet | 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... |
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SubjectTerms | 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 |
Title | 用于短距离光通信系统中的先进调制格式研究 |
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