CN109565487A - 一种信号调制和解调的方法、装置及系统 - Google Patents

一种信号调制和解调的方法、装置及系统 Download PDF

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Publication number
CN109565487A
CN109565487A CN201680088392.9A CN201680088392A CN109565487A CN 109565487 A CN109565487 A CN 109565487A CN 201680088392 A CN201680088392 A CN 201680088392A CN 109565487 A CN109565487 A CN 109565487A
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China
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signal
filter
optical
modulation
pam
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CN201680088392.9A
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CN109565487B (zh
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左天健
张亮
周恩波
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/54—Intensity modulation
    • H04B10/541—Digital intensity or amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/524—Pulse modulation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

本发明实施例公开了一种信号调制和解调的方法、装置及系统，涉及信号处理技术领域，用于消除现有技术中的调制和解调的方法中产生的SSBI。该方法包括：发送端将输入信号进行PAM编码得到PAM信号；发送端采用第一滤波器对PAM信号进行电调制；发送端将电调制后的PAM信号转换为模拟信号；发送端采用电光调制器对模拟信号进行光调制得到光信号并发送该光信号；接收端接收光信号，并将光信号转换为电信号；接收端采用第二滤波器对电信号进行电解调；接收端对电解调后的电信号进行PAM解码，得到还原后的输入信号。该方法可以用于对光通信中的输入信号进行调制和解调。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201680088392.9A 2016-08-31 2016-08-31 一种信号调制和解调的方法、装置及系统 Active CN109565487B (zh)

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PCT/CN2016/097721 WO2018040041A1 (zh) 2016-08-31 2016-08-31 一种信号调制和解调的方法、装置及系统

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CN109565487B CN109565487B (zh) 2020-10-16

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EP (1) EP3496350B1 (zh)
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WO2024016870A1 (zh) * 2022-07-18 2024-01-25 苏州旭创科技有限公司 信号处理的方法、装置及系统

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CN113009654B (zh) * 2021-03-31 2022-08-26 飞昂创新科技南通有限公司 一种高性能的光纤互连系统
CN114994839B (zh) * 2022-06-24 2023-08-08 青岛海信宽带多媒体技术有限公司 光模块

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WO2017126546A1 (ja) * 2016-01-21 2017-07-27 日本電気株式会社 光送信器およびその制御方法
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WO2015043431A1 (en) * 2013-09-24 2015-04-02 Huawei Technologies Co., Ltd. Methods and Apparatuses to Improve Reception of Direct Detection Optical Signals
US20150125160A1 (en) * 2013-11-07 2015-05-07 Futurewei Technologies, Inc. Method and apparatus for directly detected optical transmission systems based on carrierless amplitude-phase modilation
CN104467978A (zh) * 2014-12-01 2015-03-25 华中科技大学 一种支持多种调制格式的光发射机及控制方法
CN104485997A (zh) * 2014-12-09 2015-04-01 华中科技大学 一种iq光调制器偏置电压的控制系统及方法
CN104869092A (zh) * 2015-06-02 2015-08-26 武汉邮电科学研究院 基于相干检测和数字信号处理的数字载波再生系统及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024016870A1 (zh) * 2022-07-18 2024-01-25 苏州旭创科技有限公司 信号处理的方法、装置及系统

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Publication number Publication date
EP3496350A1 (en) 2019-06-12
US20190199439A1 (en) 2019-06-27
US10608742B2 (en) 2020-03-31
EP3496350A4 (en) 2019-08-28
WO2018040041A1 (zh) 2018-03-08
EP3496350B1 (en) 2020-10-21
CN109565487B (zh) 2020-10-16

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