DE69738885D1 - Faseroptische übertragung mit faserverstärkern und überwachungssignalen - Google Patents

Faseroptische übertragung mit faserverstärkern und überwachungssignalen

Info

Publication number
DE69738885D1
DE69738885D1 DE69738885T DE69738885T DE69738885D1 DE 69738885 D1 DE69738885 D1 DE 69738885D1 DE 69738885 T DE69738885 T DE 69738885T DE 69738885 T DE69738885 T DE 69738885T DE 69738885 D1 DE69738885 D1 DE 69738885D1
Authority
DE
Germany
Prior art keywords
fiber
monitoring signals
optic transmission
amplifiers
fiber optic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69738885T
Other languages
English (en)
Inventor
Ian Johnson Hirst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Application granted granted Critical
Publication of DE69738885D1 publication Critical patent/DE69738885D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0771—Fault location on the transmission path
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0777—Monitoring line amplifier or line repeater equipment
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE69738885T 1996-06-11 1997-06-02 Faseroptische übertragung mit faserverstärkern und überwachungssignalen Expired - Lifetime DE69738885D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9612156A GB2314224A (en) 1996-06-11 1996-06-11 Fibre optic transmission
PCT/GB1997/001485 WO1997048193A1 (en) 1996-06-11 1997-06-02 Fibre optic transmission with fibre amplifiers and supervisory signals

Publications (1)

Publication Number Publication Date
DE69738885D1 true DE69738885D1 (de) 2008-09-18

Family

ID=10795079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738885T Expired - Lifetime DE69738885D1 (de) 1996-06-11 1997-06-02 Faseroptische übertragung mit faserverstärkern und überwachungssignalen

Country Status (6)

Country Link
US (1) US6639701B1 (de)
EP (1) EP0904641B1 (de)
JP (1) JP4005139B2 (de)
DE (1) DE69738885D1 (de)
GB (1) GB2314224A (de)
WO (1) WO1997048193A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6452701B1 (en) * 1997-03-19 2002-09-17 Fujitsu Limited Wavelength division multiplexing communications network supervisory system
JP3532759B2 (ja) * 1998-03-11 2004-05-31 富士通株式会社 Ｗｄｍ通信システムにおける中継装置及び同装置の送信レベル制御方法
GB2347807B (en) * 1999-03-12 2001-02-28 Marconi Comm Ltd Signal transmission system
DE10024238B4 (de) * 2000-05-12 2006-11-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Qualitäts-und Identitätskontrolle von Wellenlängenkanälen in optischen Übertragungsnetzen
JP3391341B2 (ja) * 2000-08-23 2003-03-31 日本電気株式会社 光伝送路監視システム及びその監視装置及びその監視方法
JP3813063B2 (ja) * 2001-02-01 2006-08-23 富士通株式会社 通信システム及び波長分割多重装置
DE60132259D1 (de) * 2001-12-27 2008-02-14 Pirelli Submarine Telecom Systems Italia Spa Optisches übertragungssystem mit raman-verstärkern umfassend ein überwachungssystem
ATE385086T1 (de) 2001-12-27 2008-02-15 Pirelli Submarine Telecom Systems Italia Spa Optisches übertragungssystem mit raman- verstärkern und einem überwachungssystem
JP4516868B2 (ja) * 2005-03-22 2010-08-04 富士通株式会社 光増幅多段中継伝送路における障害点評定方法、装置及びシステム
US8682159B2 (en) * 2008-07-09 2014-03-25 Tyco Electronics Subsea Communications Llc Optical communication system supporting detection and communication networks
US8340515B2 (en) * 2009-11-03 2012-12-25 Fujitsu Limited Method and system for monitoring optical dispersion in an optical signal
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US20140029105A1 (en) * 2012-07-25 2014-01-30 John Edward Fay Solar igloo
EP2938014B1 (de) 2013-01-15 2017-08-09 Huawei Marine Networks Co., Limited Kommunikationsvorrichtung und verfahren

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0828680B2 (ja) * 1987-07-23 1996-03-21 国際電信電話株式会社 双方向光ファイバ通信系の障害点監視方式
GB2245121B (en) * 1990-06-16 1994-03-16 Stc Plc Telemetry
DE4109683A1 (de) * 1991-03-23 1992-09-24 Standard Elektrik Lorenz Ag System fuer optische signaluebertragung, insbesondere optisches kabelfernsehsystem, mit ueberwachungs- und dienstkanaleinrichtung
JP3110805B2 (ja) * 1991-07-01 2000-11-20 富士通株式会社 光中継システム
US5555477A (en) * 1992-04-08 1996-09-10 Hitachi, Ltd. Optical transmission system constructing method and system
US5383046A (en) 1992-05-29 1995-01-17 Fujitsu Limited Supervisory and control signal transmitting system for use in optically amplifying repeaters system
FR2696302A1 (fr) * 1992-09-28 1994-04-01 Cit Alcatel Liaison à fibres optiques et amplificateur pour cette liaison.
US5436750A (en) * 1993-05-07 1995-07-25 Nec Corporation Optical repeatered transmission with fault locating capability
CA2155693C (en) * 1994-08-25 1999-12-14 Daniel A. Fishman Performance monitoring and fault location in optical transmission systems
JPH10224306A (ja) * 1997-01-31 1998-08-21 Fujitsu Ltd 光伝送システム

Also Published As

Publication number Publication date
JP2000512452A (ja) 2000-09-19
EP0904641B1 (de) 2008-08-06
GB2314224A (en) 1997-12-17
US6639701B1 (en) 2003-10-28
GB9612156D0 (en) 1996-08-14
WO1997048193A1 (en) 1997-12-18
EP0904641A1 (de) 1999-03-31
JP4005139B2 (ja) 2007-11-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition