HK1122146A1 - 用於數字信號的光傳輸的方法和設備 - Google Patents

用於數字信號的光傳輸的方法和設備

Info

Publication number
HK1122146A1
HK1122146A1 HK09102218.3A HK09102218A HK1122146A1 HK 1122146 A1 HK1122146 A1 HK 1122146A1 HK 09102218 A HK09102218 A HK 09102218A HK 1122146 A1 HK1122146 A1 HK 1122146A1
Authority
HK
Hong Kong
Prior art keywords
methods
optical transmission
digital signals
digital
signals
Prior art date
Application number
HK09102218.3A
Other languages
English (en)
Inventor
阿瑟‧洛厄里
吉恩‧阿姆斯特朗
Original Assignee
奧菲迪烏姆有限公司
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
Priority claimed from AU2005905688A external-priority patent/AU2005905688A0/en
Application filed by 奧菲迪烏姆有限公司 filed Critical 奧菲迪烏姆有限公司
Publication of HK1122146A1 publication Critical patent/HK1122146A1/zh

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/22—Adaptations for optical 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • 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
    • 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
    • H04B10/5165—Carrier suppressed; Single sideband; Double sideband or vestigial
    • 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
    • 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
    • H04B10/548—Phase or frequency modulation
    • 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
    • H04B10/548—Phase or frequency modulation
    • H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
    • 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
    • H04B10/548—Phase or frequency modulation
    • H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
    • H04B10/5561—Digital phase modulation
    • 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
    • H04B10/548—Phase or frequency modulation
    • H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
    • H04B10/5563—Digital frequency modulation
    • 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
    • H04B10/60—Receivers
    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/697—Arrangements for reducing noise and distortion
    • H04B10/6971—Arrangements for reducing noise and distortion using equalisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Optical Communication System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HK09102218.3A 2005-10-12 2009-03-09 用於數字信號的光傳輸的方法和設備 HK1122146A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2005905688A AU2005905688A0 (en) 2005-10-12 Method and System for Optical Transmission of digital signals
PCT/AU2006/001511 WO2007041799A2 (en) 2005-10-12 2006-10-12 Methods and apparatus for optical transmission of digital signals

Publications (1)

Publication Number Publication Date
HK1122146A1 true HK1122146A1 (zh) 2009-05-08

Family

ID=37943152

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09102218.3A HK1122146A1 (zh) 2005-10-12 2009-03-09 用於數字信號的光傳輸的方法和設備

Country Status (10)

Country Link
US (1) US8111993B2 (zh)
EP (1) EP1943755B1 (zh)
JP (1) JP4786714B2 (zh)
KR (1) KR101280049B1 (zh)
CN (1) CN101310458B (zh)
AU (2) AU2006301864B2 (zh)
CA (1) CA2625086C (zh)
HK (1) HK1122146A1 (zh)
NZ (1) NZ567443A (zh)
WO (1) WO2007041799A2 (zh)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5456481B2 (ja) 2006-12-20 2014-03-26 オフィディウム、プロプライエタリー、リミテッド 光伝送システムの非線形補償
CA2712137A1 (en) 2007-01-29 2008-08-07 Ofidium Pty Ltd Methods and apparatus for generation and transmission of optical signals
US8306435B2 (en) 2007-02-15 2012-11-06 Ofidium Pty, Ltd. Reception of signals transmitted over a dispersive optical channel
US8000604B2 (en) * 2007-03-15 2011-08-16 Nec Laboratories America, Inc. Orthogonal frequency division multiple access (OFDMA) based passive optical network (PON) architecture and its extension to long distance
US8472806B2 (en) * 2007-04-24 2013-06-25 Telcordia Technologies, Inc. Systems and methods for photonically assisted RF filtering
EP2026520A1 (en) * 2007-08-17 2009-02-18 Nokia Siemens Networks Oy Method and arrangement for transmitting an optical OFDM-signal
US8718490B2 (en) * 2007-10-03 2014-05-06 Nec Laboratories America, Inc. Coherent optical orthogonal frequency division multiplexing (OFDM) reception using self optical carrier extraction
US8064766B2 (en) * 2007-10-08 2011-11-22 Nec Laboratories America, Inc. Orthogonal frequency division multiple access based optical ring network
JP4864910B2 (ja) * 2008-02-04 2012-02-01 Ｋｄｄｉ株式会社 光通信装置、システム及び光通信方法
US20090290877A1 (en) * 2008-05-21 2009-11-26 Nec Laboratories America, Inc. Monitoring for High Speed OFDM Signal Transmission
US20090290878A1 (en) * 2008-05-22 2009-11-26 Nec Laboratories America, Inc. Generating an Optical OFDM Signal with Reduced OSNR Requirement
US20090324226A1 (en) * 2008-06-30 2009-12-31 Fred Buchali System, method and apparatus for channel estimation based on intra-symbol frequency domain averaging for coherent optical OFDM
US8068742B2 (en) * 2008-07-10 2011-11-29 Finisar Corporation Phase shift keyed modulation of optical signal using chirp managed laser
US20100027994A1 (en) * 2008-07-31 2010-02-04 Nec Laboratories America, Inc. Phase Modulation Of An Optical Orthogonal Frequency Division Multiplexing Signal
US8655177B2 (en) * 2008-10-07 2014-02-18 Ofidium Pty. Ltd. Optical transmitter
US8737190B2 (en) * 2008-11-21 2014-05-27 Samsung Electronics Co., Ltd. Method and system for communication of different modulation formats from a wireless station in a wireless system
US8797837B2 (en) * 2008-12-03 2014-08-05 Samsung Electronics Co., Ltd. System and method for in-phase/quadrature multiplexing
US8135288B2 (en) * 2009-02-03 2012-03-13 The Boeing Company System and method for a photonic system
JP5371039B2 (ja) * 2009-03-10 2013-12-18 Ｋｄｄｉ株式会社 光ｏｆｄｍ通信システム
CN101860507B (zh) * 2009-04-09 2013-01-16 财团法人工业技术研究院 光正交分频多任务信号的接收方法及其接收器
US8374514B2 (en) * 2009-04-15 2013-02-12 Nec Laboratories America, Inc. Parallel digital coherent detection using symmetrical optical interleaver and direct optical down conversion
EP2434665B1 (en) * 2009-05-18 2017-03-08 Nippon Telegraph And Telephone Corporation Signal generation circuit, optical signal transmitter, signal reception circuit, optical signal synchronization establishment method, and optical signal synchronization system
JP5390607B2 (ja) * 2009-05-26 2014-01-15 三菱電機株式会社 予等化伝送システム
US8218979B2 (en) * 2009-06-30 2012-07-10 Alcatel Lucent System, method and apparatus for coherent optical OFDM
CN101692628A (zh) * 2009-09-10 2010-04-07 复旦大学 基于单边带调制的单载波频域均衡技术的光纤通信系统
CN102714549A (zh) * 2009-09-17 2012-10-03 杜伊斯堡-埃森大学 用于收发光信号的发射机和接收机
CN102754367B (zh) 2009-10-07 2016-06-15 奥菲迪乌姆有限公司 光通信链路中的多信道非线性补偿
CN102859957B (zh) * 2010-03-19 2016-06-01 奥菲迪乌姆有限公司 用于光纤非线性减轻的方法和装置
JP5404925B2 (ja) * 2010-06-03 2014-02-05 株式会社日立製作所 光通信システム、光受信器、光トランスポンダ、波長多重光通信システム、波長多重受信装置及び波長多重光トランスポンダ
KR101450065B1 (ko) * 2010-06-10 2014-10-16 에스티에스반도체통신 주식회사 광 신호 전달 및 방열 기능들을 가지는 기판
CN102158452A (zh) * 2010-10-14 2011-08-17 北京邮电大学 基于雪崩光电二极管的光正交频分复用系统和方法
JP5621530B2 (ja) * 2010-11-12 2014-11-12 富士通株式会社 受信機、光スペクトル整形方法、及び光通信システム
FR2971656A1 (fr) * 2011-02-10 2012-08-17 France Telecom Procede et dispositif de filtrage optique coupe-bande et dispositif d'insertion/extraction de sous-bande optique multiplexee en frequence dans un signal optique
CN103748814B (zh) 2011-08-12 2016-05-04 中兴通讯(美国)公司 基于正交频分复用的光通信中的信道估计
US8934786B2 (en) * 2011-09-16 2015-01-13 Alcatel Lucent Communication through pre-dispersion-compensated phase-conjugated optical variants
US9537936B2 (en) * 2011-10-07 2017-01-03 Nokia Solutions And Networks Oy Joint processing
CN103095623B (zh) * 2011-10-27 2015-07-01 武汉邮电科学研究院 调制设备和方法以及解调设备和方法
US9106400B2 (en) * 2012-10-23 2015-08-11 Futurewei Technologies, Inc. Hybrid timing recovery for burst mode receiver in passive optical networks
KR20140093099A (ko) * 2013-01-17 2014-07-25 한국전자통신연구원 광망 종단장치 및 광회선단말을 포함하는 직교 주파수 분할 다중접속 수동형 광가입자망
EP2819327B1 (en) * 2013-06-28 2018-04-11 Alcatel Lucent Method of optical data transmission using polarization division multiplexing and QPSK
US9071363B2 (en) 2013-09-12 2015-06-30 Futurewei Technologies, Inc. Optical transmitters with unbalanced optical sidebands separated by gaps
US9374260B2 (en) * 2013-11-07 2016-06-21 Futurewei Technologies, Inc. Method and apparatus for directly detected optical transmission systems based on carrierless amplitude-phase modulation
US9531478B2 (en) 2013-11-08 2016-12-27 Futurewei Technologies, Inc. Digital optical modulator for programmable n-quadrature amplitude modulation generation
US9590730B2 (en) * 2014-10-01 2017-03-07 Futurewei Technologies, Inc. Optical transmitter with optical receiver-specific dispersion pre-compensation
WO2016173672A1 (en) * 2015-04-30 2016-11-03 Telefonaktiebolaget Lm Ericsson (Publ) Optical receiver and method of receiving an optical communications signal
US11559958B2 (en) 2015-07-23 2023-01-24 Bridgestone Americas Tire Operations, Llc Degradable foam-containing tires, related methods and kits for adding degradable foam to tires
CN107592158B (zh) * 2016-07-08 2019-11-22 上海诺基亚贝尔股份有限公司 光纤通信系统中的信号处理的方法和设备
KR102415302B1 (ko) 2018-04-17 2022-07-01 한국전자통신연구원 광전송 분산 보상 등화기 장치 및 방법
US10805005B2 (en) * 2018-11-16 2020-10-13 Rolls-Royce Corporation Frequency spectrum system security
US10587358B1 (en) * 2019-02-28 2020-03-10 Ciena Corporation Probabilistic constellation shaping across time and frequency
US11075694B2 (en) * 2019-03-04 2021-07-27 Infinera Corporation Frequency division multiple access optical subcarriers
KR102547442B1 (ko) * 2021-11-02 2023-06-27 한국과학기술원 가시광 통신 시스템에서 다중 탭 채널에 대한 변환효율이 높은 공간상 직교 주파수 분할 다중화 구현 방법 및 장치
CN114205001B (zh) * 2021-11-29 2023-07-11 武汉邮电科学研究院有限公司 一种低复杂度的波长标签生成与检测方法及系统

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2982402B2 (ja) * 1990-07-13 1999-11-22 日本電気株式会社 光通信装置
EP0466182B1 (en) * 1990-07-13 2002-10-16 Nec Corporation Optical communication apparatus using intensity modulation
JPH0746187A (ja) * 1993-07-27 1995-02-14 Nippon Telegr & Teleph Corp <Ntt> 光通信方式
US6504636B1 (en) * 1998-06-11 2003-01-07 Kabushiki Kaisha Toshiba Optical communication system
JP2000151516A (ja) * 1998-11-05 2000-05-30 Toshiba Corp 光伝送システム、光送信機および光受信機
JP2000269918A (ja) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd 直交周波数分割多重伝送方式とそれを用いた送信装置及び受信装置
US6559994B1 (en) * 1999-08-18 2003-05-06 New Elite Technologies, Inc. Optical fiber transmitter for long distance subcarrier multiplexed lightwave systems
JP2001060935A (ja) * 1999-08-24 2001-03-06 Victor Co Of Japan Ltd 直交周波数分割多重変復調装置及びその方法
US6661976B1 (en) * 2000-01-05 2003-12-09 At&T Corp. Method and system for single-sideband optical signal generation and transmission
US6525857B1 (en) * 2000-03-07 2003-02-25 Opvista, Inc. Method and apparatus for interleaved optical single sideband modulation
US6469649B1 (en) * 2000-03-08 2002-10-22 Massachusetts Institute Of Technology Narrowband analog to digital converter with suppressed second-order distortion
JP2001308815A (ja) * 2000-04-18 2001-11-02 Victor Co Of Japan Ltd 伝送信号の生成方法、及び伝送信号の生成装置
ATE387788T1 (de) * 2000-06-16 2008-03-15 Inari Inc Gleitfensterverarbeitung zum empfang von mehrträgersignalen
WO2002061986A2 (en) * 2000-12-20 2002-08-08 Kestrel Solutions, Inc. Fiber optic communications using optical single side band transmission and direct detection
WO2003019240A2 (en) * 2001-08-24 2003-03-06 Corvis Corporation Optical communications systems, devices, and methods
AU2002325673B2 (en) * 2001-09-11 2008-08-07 The Royal Melbourne Institute Of Technology Optical modulator
CA2415910A1 (en) * 2002-01-22 2003-07-22 Robert J. Davies Optical duobinary single sideband modulator
US7623578B2 (en) * 2002-05-17 2009-11-24 Stmicroelectronics N.V. Time domain equalization using frequency domain operations
US20050231783A1 (en) * 2002-06-10 2005-10-20 Carluccio Panzeri Methods for transmitting and receiving laser signals, as well as transmitter and receiver which carry out said methods
US7039131B2 (en) * 2002-08-02 2006-05-02 Agere Systems Inc. Carrier frequency offset estimation in a wireless communication system
JP2004112336A (ja) * 2002-09-18 2004-04-08 Pioneer Electronic Corp 変調装置、送信装置及びコンピュータプログラム
US20050074037A1 (en) * 2003-10-06 2005-04-07 Robin Rickard Optical sub-carrier multiplexed transmission
US7469106B2 (en) * 2004-02-17 2008-12-23 Nortel Networks Limited Reference phase and amplitude estimation for coherent optical receiver
JP4575703B2 (ja) * 2004-04-21 2010-11-04 日本電信電話株式会社 光伝送システム及びその送信機
EP1920544B1 (en) * 2005-09-02 2016-08-24 Ofidium Pty Ltd Methods and apparatus for optical transmission of digital signals
US7693428B2 (en) * 2007-02-27 2010-04-06 Celight, Inc. Optical orthogonal frequency division multiplexed communications with nonlinearity compensation
EP2026520A1 (en) * 2007-08-17 2009-02-18 Nokia Siemens Networks Oy Method and arrangement for transmitting an optical OFDM-signal
US7860406B2 (en) * 2007-09-14 2010-12-28 Alcatel-Lucent Usa Inc. PMD insensitive direct-detection optical OFDM systems using self-polarization diversity
EP2061198A1 (en) 2007-11-16 2009-05-20 Nokia Siemens Networks Oy Method and device for data communication in an optical net-work and communication system comprising such device
DE602007004739D1 (de) 2007-11-29 2010-03-25 Alcatel Lucent Sender für ein Glasfaser-Mehrträger-Modulationssendesystem mit mehreren Polarisierungen
ATE457566T1 (de) 2007-12-10 2010-02-15 Alcatel Lucent Polarisationsmultiplexiertes optisches ofdm
EP2073474A1 (en) 2007-12-20 2009-06-24 Alcatel Lucent Method and apparatus for transmitting an optical signal using orthogonal frequency division multiplexing
US20090290877A1 (en) * 2008-05-21 2009-11-26 Nec Laboratories America, Inc. Monitoring for High Speed OFDM Signal Transmission
US20090290878A1 (en) * 2008-05-22 2009-11-26 Nec Laboratories America, Inc. Generating an Optical OFDM Signal with Reduced OSNR Requirement
US20100086303A1 (en) * 2008-10-02 2010-04-08 Nec Laboratories America Inc High speed polmux-ofdm using dual-polmux carriers and direct detection
US8699640B2 (en) * 2008-12-03 2014-04-15 Nec Laboratories America, Inc. Transmitter compensation in decoding of intensity modulated optical OFDM with direct detection
EP2381605A1 (en) 2008-12-22 2011-10-26 Hitachi, Ltd. Optical transmitter and optical ofdm communication system

Also Published As

Publication number Publication date
KR101280049B1 (ko) 2013-06-28
CA2625086A1 (en) 2007-04-19
WO2007041799A2 (en) 2007-04-19
EP1943755A4 (en) 2010-05-05
JP4786714B2 (ja) 2011-10-05
NZ567443A (en) 2010-01-29
CA2625086C (en) 2014-07-08
US20090169213A1 (en) 2009-07-02
AU2006301864A1 (en) 2007-04-19
AU2009208043A1 (en) 2009-08-27
US8111993B2 (en) 2012-02-07
CN101310458B (zh) 2014-01-22
AU2009208043B2 (en) 2009-11-19
WO2007041799A3 (en) 2007-07-12
KR20080070651A (ko) 2008-07-30
JP2009512285A (ja) 2009-03-19
CN101310458A (zh) 2008-11-19
EP1943755A2 (en) 2008-07-16
AU2006301864B2 (en) 2009-05-07
EP1943755B1 (en) 2012-05-30

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Effective date: 20181012