WO2012103824A3 - 生成正交幅度调制信号的方法、装置及传输系统 - Google Patents

生成正交幅度调制信号的方法、装置及传输系统 Download PDF

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Publication number
WO2012103824A3
WO2012103824A3 PCT/CN2012/072309 CN2012072309W WO2012103824A3 WO 2012103824 A3 WO2012103824 A3 WO 2012103824A3 CN 2012072309 W CN2012072309 W CN 2012072309W WO 2012103824 A3 WO2012103824 A3 WO 2012103824A3
Authority
WO
WIPO (PCT)
Prior art keywords
modulation signal
amplitude modulation
quadrature amplitude
transmission system
generating
Prior art date
Application number
PCT/CN2012/072309
Other languages
English (en)
French (fr)
Other versions
WO2012103824A2 (zh
Inventor
延双毅
吕超
刘伯涛
刘磊
Original Assignee
华为技术有限公司
香港理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司, 香港理工大学 filed Critical 华为技术有限公司
Priority to CN2012800004660A priority Critical patent/CN103053142A/zh
Priority to PCT/CN2012/072309 priority patent/WO2012103824A2/zh
Publication of WO2012103824A2 publication Critical patent/WO2012103824A2/zh
Publication of WO2012103824A3 publication Critical patent/WO2012103824A3/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • 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
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

本发明提供一种生成正交幅度调制信号的方法、装置及传输系统，通过采用成本较低的双驱光正交（IQ）调制器生成正交幅度调制信号，降低了生成正交幅度调制信号的成本。并且，由于采用两电平的电驱动信号，因此只需要对两个电平信号进行控制，降低了系统对驱动信号的要求，有效地提高了生成的正交幅度调制信号的质量。
PCT/CN2012/072309 2012-03-14 2012-03-14 生成正交幅度调制信号的方法、装置及传输系统 WO2012103824A2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2012800004660A CN103053142A (zh) 2012-03-14 2012-03-14 生成正交幅度调制信号的方法、装置及传输系统
PCT/CN2012/072309 WO2012103824A2 (zh) 2012-03-14 2012-03-14 生成正交幅度调制信号的方法、装置及传输系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/072309 WO2012103824A2 (zh) 2012-03-14 2012-03-14 生成正交幅度调制信号的方法、装置及传输系统

Publications (2)

Publication Number Publication Date
WO2012103824A2 WO2012103824A2 (zh) 2012-08-09
WO2012103824A3 true WO2012103824A3 (zh) 2013-02-21

Family

ID=46603127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/072309 WO2012103824A2 (zh) 2012-03-14 2012-03-14 生成正交幅度调制信号的方法、装置及传输系统

Country Status (2)

Country Link
CN (1) CN103053142A (zh)
WO (1) WO2012103824A2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014131165A1 (zh) * 2013-02-27 2014-09-04 华为技术有限公司 64qam信号生成方法和系统
WO2017079871A1 (zh) * 2015-11-09 2017-05-18 华为技术有限公司 一种调制器、调制系统以及实现高阶调制的方法
CN108833019B (zh) * 2018-06-25 2020-01-03 华中科技大学 一种光iq调制器任意偏置点控制方法及控制系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101626274A (zh) * 2008-07-10 2010-01-13 华为技术有限公司 星型十六进制光信号的生成方法、光发射机和系统
CN101964683A (zh) * 2010-09-21 2011-02-02 上海大学 串并联调制光学倍频毫米波RoF系统及其QPSK/16QAM调制方法
CN102137057A (zh) * 2010-06-18 2011-07-27 华为技术有限公司 一种信号生成方法及装置
US8077375B2 (en) * 2009-11-11 2011-12-13 At&T Intellectual Property I, L.P. Method and apparatus for generating 8-QAM-modulated optical signal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101626274A (zh) * 2008-07-10 2010-01-13 华为技术有限公司 星型十六进制光信号的生成方法、光发射机和系统
US8077375B2 (en) * 2009-11-11 2011-12-13 At&T Intellectual Property I, L.P. Method and apparatus for generating 8-QAM-modulated optical signal
CN102137057A (zh) * 2010-06-18 2011-07-27 华为技术有限公司 一种信号生成方法及装置
CN101964683A (zh) * 2010-09-21 2011-02-02 上海大学 串并联调制光学倍频毫米波RoF系统及其QPSK/16QAM调制方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHUANGYI YAN ET AL.: "Generation of Square or Hexagonal 16-QAM Signals Using a Single Dual Drive IQ Modulator Driven by Binary Signals", OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION (OFC/NFOEC), 2012 AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE, 4 March 2012 (2012-03-04), LOS ANGELES, CALIFORNIA *

Also Published As

Publication number Publication date
WO2012103824A2 (zh) 2012-08-09
CN103053142A (zh) 2013-04-17

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