DE69519990D1 - Fehlerortung in optischen übertragungssystemen - Google Patents

Fehlerortung in optischen übertragungssystemen

Info

Publication number
DE69519990D1
DE69519990D1 DE69519990T DE69519990T DE69519990D1 DE 69519990 D1 DE69519990 D1 DE 69519990D1 DE 69519990 T DE69519990 T DE 69519990T DE 69519990 T DE69519990 T DE 69519990T DE 69519990 D1 DE69519990 D1 DE 69519990D1
Authority
DE
Germany
Prior art keywords
troubleshooting
optical transmission
transmission systems
systems
optical
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 - Fee Related
Application number
DE69519990T
Other languages
English (en)
Other versions
DE69519990T2 (de
Inventor
Anthony Fisher
Byron Roberts
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.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of DE69519990D1 publication Critical patent/DE69519990D1/de
Application granted granted Critical
Publication of DE69519990T2 publication Critical patent/DE69519990T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3118—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR using coded light-pulse sequences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3136—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR for testing of multiple fibers
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/27—Arrangements for networking
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
DE69519990T 1994-08-17 1995-08-15 Fehlerortung in optischen übertragungssystemen Expired - Fee Related DE69519990T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9416661A GB2292495B (en) 1994-08-17 1994-08-17 Fault location in optical communication systems
PCT/GB1995/001918 WO1996005665A1 (en) 1994-08-17 1995-08-15 Fault location in optical communication systems

Publications (2)

Publication Number Publication Date
DE69519990D1 true DE69519990D1 (de) 2001-03-01
DE69519990T2 DE69519990T2 (de) 2001-05-03

Family

ID=10760008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69519990T Expired - Fee Related DE69519990T2 (de) 1994-08-17 1995-08-15 Fehlerortung in optischen übertragungssystemen

Country Status (5)

Country Link
US (1) US6075628A (de)
EP (1) EP0776552B1 (de)
DE (1) DE69519990T2 (de)
GB (1) GB2292495B (de)
WO (1) WO1996005665A1 (de)

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US6072614A (en) * 1997-08-21 2000-06-06 Nortel Networks Corporation Monitoring induced counterpropagating signals in optical communications systems
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CA2294555A1 (en) 1999-12-30 2001-06-30 Nortel Networks Corporation Optimization of a communications system based on identification of an optical medium
US7184670B2 (en) * 2000-05-10 2007-02-27 Lockheed Martin Corporation Telemetry system and method for acoustic arrays
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US20020101874A1 (en) * 2000-11-21 2002-08-01 Whittaker G. Allan Physical layer transparent transport information encapsulation methods and systems
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US6898214B1 (en) * 2001-03-09 2005-05-24 Lucent Technologies Inc. Technique for monitoring SONET signal
US6934655B2 (en) * 2001-03-16 2005-08-23 Mindspeed Technologies, Inc. Method and apparatus for transmission line analysis
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US6885954B2 (en) * 2001-03-16 2005-04-26 Mindspeed Technologies, Inc. Sequence time domain reflectometry using complementary golay codes
US20030035376A1 (en) * 2001-08-20 2003-02-20 Xiaofen Chen Derivation of composite step-function response
DE10140852C5 (de) * 2001-08-21 2016-11-17 Robert Bosch Gmbh Elektronisches System mit einem Lichtwellenleiter-Netzwerk und Verfahren zum Selbsttest sowie dazugehöriges Computerprogramm
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US20030068024A1 (en) * 2001-10-05 2003-04-10 Jones William W. Communication system activation
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US20040208507A1 (en) * 2002-01-21 2004-10-21 Ross Saunders Network diagnostic tool for an optical transport network
US7242862B2 (en) * 2002-01-21 2007-07-10 Altera Corporation Network diagnostic tool for an optical transport network
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US20040076434A1 (en) * 2002-09-27 2004-04-22 Whittaker G. Allan Optical distribution network for RF and other analog signals
DE10307542A1 (de) * 2002-11-27 2004-06-17 Fibotec Fiberoptics Gmbh Verfahren und Anordnung zur Ermittlung von Verluststellen in optischen Fasern
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US7570887B2 (en) * 2003-03-31 2009-08-04 Lockheed Martin Corporation Optical network interface systems and devices
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US7460498B2 (en) * 2003-12-04 2008-12-02 Adtran, Inc. System and method for detecting anomalies along telecommunication lines
US7061221B2 (en) * 2004-01-15 2006-06-13 Bae Systems Information And Electronic Systems Integration Inc. Reduced complexity transmission line and waveguide fault tester
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GB0427733D0 (en) * 2004-12-17 2005-01-19 British Telecomm Optical system
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WO2006109693A1 (ja) * 2005-04-08 2006-10-19 Eisai R & D Management Co., Ltd. 粘性試料のサンプリング器具、喀痰の均質化処理方法及び微生物の検出方法
EP1713301A1 (de) * 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Gerät zur Schallübertragung über eine optische Verbindung
EP1729096A1 (de) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Vorrichtung zur Ermittlung der Stelle einer Störung in einer optischen Faser
ATE381818T1 (de) * 2005-08-12 2008-01-15 Alcatel Lucent Verfahren und vorrichtung zur überwachung einer optischen verbindung und optischer sender mit einer solchen vorrichtung
EP1826924A1 (de) * 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Abtastung einer Störung
WO2007096578A1 (en) * 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
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CN101410696B (zh) * 2006-04-03 2011-01-05 英国电讯有限公司 干扰位置的估计
EP1986351B1 (de) * 2007-04-26 2010-02-24 Alcatel Lucent Optisches Netzwerk, Überwachungseinheit und Überwachungsverfahren
US8750341B2 (en) 2008-01-04 2014-06-10 Mindspeed Technologies, Inc. Method and apparatus for reducing optical signal speckle
CN101257346B (zh) * 2008-04-02 2012-12-12 华为技术有限公司 获取光路故障位置的方法、装置和系统
US8461848B2 (en) * 2008-12-10 2013-06-11 Marvell International Ltd. Cable diagnostics for Base-T systems
US8873960B2 (en) * 2008-12-30 2014-10-28 Broadcom Corporation Techniques for detecting optical faults in passive optical networks
US8855491B2 (en) 2008-12-30 2014-10-07 Broadcom Corporation Techniques for protecting passive optical networks
US8874391B2 (en) * 2009-06-05 2014-10-28 Bae Systems Information And Electronic Systems Integration Inc. Distance-to-fault measurement system capable of measuring complex reflection coefficients
EP2273708B1 (de) * 2009-06-30 2013-06-05 Alcatel Lucent System und Verfahren zur Übertragung optischer Signale
US8606117B1 (en) * 2010-05-20 2013-12-10 Adtran, Inc. Systems and methods for unobtrusively testing optical fibers
US8964172B1 (en) * 2010-09-27 2015-02-24 Rockwell Collins, Inc. Means to detect damage in composite material panels
US20130077961A1 (en) * 2011-09-27 2013-03-28 Broadlight, Ltd. Techniques for generating low rate data patterns compliant with passive optical networks
CN103326775B (zh) * 2012-03-22 2017-02-01 中兴通讯股份有限公司 光网络故障在线检测方法及装置
US9391695B2 (en) * 2013-07-10 2016-07-12 Neophotonics Corporation Optical network communication system with embedded optical time domain reflectometer and method of operation thereof
US9438335B2 (en) * 2013-12-26 2016-09-06 Texas Instruments Incorporated Optical fiber defect detection
CN110226297B (zh) * 2017-02-01 2022-07-12 英国电讯有限公司 对光网络中的事件进行定位的方法、介质和光网络
EP3655746A1 (de) 2017-07-20 2020-05-27 British Telecommunications Public Limited Company Optische faser
US10911052B2 (en) 2018-05-23 2021-02-02 Macom Technology Solutions Holdings, Inc. Multi-level signal clock and data recovery
US11005573B2 (en) 2018-11-20 2021-05-11 Macom Technology Solutions Holdings, Inc. Optic signal receiver with dynamic control
US11658630B2 (en) 2020-12-04 2023-05-23 Macom Technology Solutions Holdings, Inc. Single servo loop controlling an automatic gain control and current sourcing mechanism
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Also Published As

Publication number Publication date
US6075628A (en) 2000-06-13
EP0776552A1 (de) 1997-06-04
WO1996005665A1 (en) 1996-02-22
GB9416661D0 (en) 1994-10-12
GB2292495A (en) 1996-02-21
DE69519990T2 (de) 2001-05-03
EP0776552B1 (de) 2001-01-24
GB2292495B (en) 1998-03-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee