CA2003788A1 - Systemes d'optimisation et de mesure du bruit dans les liaisons a fibres optiques - Google Patents

Systemes d'optimisation et de mesure du bruit dans les liaisons a fibres optiques

Info

Publication number
CA2003788A1
CA2003788A1 CA2003788A CA2003788A CA2003788A1 CA 2003788 A1 CA2003788 A1 CA 2003788A1 CA 2003788 A CA2003788 A CA 2003788A CA 2003788 A CA2003788 A CA 2003788A CA 2003788 A1 CA2003788 A1 CA 2003788A1
Authority
CA
Canada
Prior art keywords
fiber optic
optic link
noise measurement
optimization system
link noise
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.)
Granted
Application number
CA2003788A
Other languages
English (en)
Other versions
CA2003788C (fr
Inventor
Larry A. Nelson
James W. Woods
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of CA2003788A1 publication Critical patent/CA2003788A1/fr
Application granted granted Critical
Publication of CA2003788C publication Critical patent/CA2003788C/fr
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
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0799—Monitoring line transmitter or line receiver 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
    • H04B10/07—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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0793—Network aspects, e.g. central monitoring of transmission parameters
    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07953—Monitoring or measuring OSNR, BER or Q
    • 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
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
CA002003788A 1988-11-25 1989-11-24 Systemes d'optimisation et de mesure du bruit dans les liaisons a fibres optiques Expired - Fee Related CA2003788C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/275,935 US4947459A (en) 1988-11-25 1988-11-25 Fiber optic link noise measurement and optimization system
US07/275,935 1988-11-25

Publications (2)

Publication Number Publication Date
CA2003788A1 true CA2003788A1 (fr) 1990-05-25
CA2003788C CA2003788C (fr) 2000-02-01

Family

ID=23054432

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002003788A Expired - Fee Related CA2003788C (fr) 1988-11-25 1989-11-24 Systemes d'optimisation et de mesure du bruit dans les liaisons a fibres optiques

Country Status (6)

Country Link
US (1) US4947459A (fr)
EP (1) EP0445232B1 (fr)
JP (1) JP2761978B2 (fr)
CA (1) CA2003788C (fr)
DE (1) DE68920047T2 (fr)
WO (1) WO1990006640A1 (fr)

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CN1878017A (zh) * 1999-03-22 2006-12-13 交互数字技术公司 时分双工通信***中的外环/加权开环功率控制

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US5678198A (en) * 1991-05-22 1997-10-14 Southwestern Bell Technology Resources, Inc. System for controlling signal level at both ends of a transmission link, based upon a detected value
GB2260046B (en) * 1991-09-26 1995-02-15 Northern Telecom Ltd Optical communications systems
US5287211A (en) * 1991-11-27 1994-02-15 At&T Bell Laboratories Multipath optical transmission system controller
JPH05211482A (ja) * 1992-01-31 1993-08-20 Fujitsu Ltd 光増幅中継器
JP2808972B2 (ja) * 1992-02-27 1998-10-08 日本電気株式会社 光増幅装置
GB2272590B (en) * 1992-11-17 1996-06-19 Northern Telecom Ltd Optical communications system
US5546325A (en) * 1993-02-04 1996-08-13 International Business Machines Corporation Automated system, and corresponding method, for testing electro-optic modules
EP0692116B1 (fr) * 1993-04-02 2002-07-17 Echelon Corporation Analyseur de communication par lignes de transport d'energie
US5396357A (en) * 1994-01-25 1995-03-07 Honeywell Inc. Fault tolerant optical cross-channel data link
JP3203611B2 (ja) * 1994-02-14 2001-08-27 日本電信電話株式会社 雑音指数測定方法および装置
JPH0837499A (ja) * 1994-07-25 1996-02-06 Anritsu Corp 光信号受信装置
IT1272846B (it) * 1994-11-25 1997-06-30 Pirelli Cavi Spa "sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda, con separazione controllata dei canali in uscita e per la determinazione del rapporto segnale/rumore ottico"
DE19511819A1 (de) * 1995-03-30 1996-10-02 Sel Alcatel Ag Vorrichtung zum Demultiplexen eines optischen Digitalsignals
US5600467A (en) * 1995-06-14 1997-02-04 Mci Communications Corp. Method and apparatus for reducing harmonic interference on multiplexed optical communication lines
US5991271A (en) * 1995-12-20 1999-11-23 Us West, Inc. Signal-to-channel mapping for multi-channel, multi-signal transmission systems
US5771320A (en) * 1996-04-30 1998-06-23 Wavefront Research, Inc. Optical switching and routing system
US6585382B1 (en) 1996-04-30 2003-07-01 Agilent Technologies, Inc. Optical systems using switched mirrors
US6570684B1 (en) 1996-04-30 2003-05-27 Agilent Technologies, Inc. Optical routing/switching systems
GB9615036D0 (en) * 1996-07-17 1996-09-04 Northern Telecom Ltd Optical interference measurement method and system
GB2316251A (en) * 1996-08-06 1998-02-18 Northern Telecom Ltd Optical transmission element with self testing
US6128111A (en) 1996-12-19 2000-10-03 Nortel Networks Corporation Monitoring of nonlinear effects
US6069718A (en) * 1997-09-19 2000-05-30 Nortel Networks Corporation Distortion penalty measurement procedure in optical systems using noise loading
US6008916A (en) * 1997-09-19 1999-12-28 Nortel Networks Corporation Distortion penalty measurement technique in optical systems based on signal level adjustment
US6389013B1 (en) * 1998-03-31 2002-05-14 Alcatel Usa Sourcing, L.P. OC3 delivery unit; low level maintenance bus
SE512370C2 (sv) * 1998-07-03 2000-03-06 Ericsson Telefon Ab L M Anordning och förfarande för att uppskatta total bruseffekt
US6442708B1 (en) * 1999-12-14 2002-08-27 Honeywell International Inc. Fault localization and health indication for a controller area network
WO2001052451A2 (fr) * 2000-01-14 2001-07-19 Corning Incorporated Systeme et procede de mesure de l'intermodulation intrabande dans des systemes de communication optiques
DE10021860C2 (de) * 2000-05-05 2002-03-14 Siemens Ag Verfahren und Schaltungsanordnung zur Bestimmung des Träger-zu-Rausch-Verhältnisses bei optischer Übertragung
US7130537B1 (en) * 2000-08-25 2006-10-31 Alcatel Safety shutdown system for a WDM fiber optic communications network
US20020133734A1 (en) * 2000-10-06 2002-09-19 Jithamithra Sarathy Network restoration capability via dedicated hardware and continuous performance monitoring
WO2002031620A2 (fr) * 2000-10-06 2002-04-18 Alphion Corporation Capacite de restauration de reseau perfectionnee par le biais de materiel specifique et surveillance continue du rendement
US6795941B2 (en) 2000-12-21 2004-09-21 Honeywell International Inc. Method for diagnosing a network
US6757494B2 (en) * 2000-12-22 2004-06-29 Nortel Networks Limited Wavelength routing in a photonic network
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
US20070115916A1 (en) * 2005-11-07 2007-05-24 Samsung Electronics Co., Ltd. Method and system for optimizing a network based on a performance knowledge base
US8116638B2 (en) * 2006-05-30 2012-02-14 Harris Corporation Radio frequency (RF) signal receiver using optical processing and associated methods
US7440170B2 (en) * 2006-06-23 2008-10-21 Lucent Technologies Inc. Method and apparatus for monitoring optical signal-to-noise ratio
JP5215320B2 (ja) * 2007-01-08 2013-06-19 アライド テレシス インコーポレーテッド Ａｐｄレシーバの動作点を自動的に調整し設定する方法及びシステム
JP4645655B2 (ja) * 2008-02-04 2011-03-09 富士ゼロックス株式会社 光伝送モジュール
US20120082448A1 (en) * 2010-09-30 2012-04-05 Fujitsu Limited System and method for sparing channels of a multi-wavelength transponder
CN114785434B (zh) * 2022-03-23 2022-12-02 北京睿信丰科技有限公司 S波段频道可用性检测方法、装置、设备、***及介质

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GB1543035A (en) * 1977-08-04 1979-03-28 Standard Telephones Cables Ltd Optical transmission receiver
DE2911175A1 (de) * 1979-03-22 1980-09-25 Licentia Gmbh Verfahren zur ueberwachung des signal/ rausch-verhaeltnisses auf optischen uebertragungsstrecken
US4306313A (en) * 1979-10-11 1981-12-15 International Telephone And Telegraph Corporation High reliability optical fiber communication system
FR2475826A1 (fr) * 1980-02-12 1981-08-14 Lignes Telegraph Telephon Dispositif de declenchement d'alarme pour une insuffisance du niveau de transmission, pour module recepteur d'un systeme de transmission sur fibre optique
DE3013533A1 (de) * 1980-04-08 1981-10-15 Siemens Ag Schaltungsanordnung mit einer laserdiode zur uebertragung von nachrichtensiglnalen ueber einen lichtwellenleiter
SU1007208A1 (ru) * 1981-06-03 1983-03-23 Ленинградский Электротехнический Институт Связи Им.Проф.М.А.Бонч-Бруевича Устройство контрол приемников импульсных оптических сигналов
SE456190B (sv) * 1983-10-14 1988-09-12 Ericsson Telefon Ab L M Forfarande att i ett fiberoptiskt transmissionssystem meta dispersionen hos den transmitterande optiska fibern
JPS6096040A (ja) * 1983-10-31 1985-05-29 Toshiba Corp 光伝送装置の故障診断方式
DE3340428A1 (de) * 1983-11-09 1985-05-23 Wandel & Goltermann Gmbh & Co, 7412 Eningen Verfahren und einrichtung zur ueberwachung eines optischen nachrichtenuebertragungssystems
JPS60139036A (ja) * 1983-12-27 1985-07-23 Fujitsu Ltd 光受信レベルモニタ回路方式
JPS60144032A (ja) * 1984-01-06 1985-07-30 Nippon Telegr & Teleph Corp <Ntt> 光伝送系の障害監視方法
JPS60144031A (ja) * 1984-01-06 1985-07-30 Nippon Telegr & Teleph Corp <Ntt> 光伝送系の障害監視方式
JPS6239935A (ja) * 1985-08-15 1987-02-20 Fujitsu Ltd 光バスネツト試験方式
JPH0624338B2 (ja) * 1985-10-22 1994-03-30 キヤノン株式会社 光信号受信器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1878017A (zh) * 1999-03-22 2006-12-13 交互数字技术公司 时分双工通信***中的外环/加权开环功率控制
CN1878017B (zh) * 1999-03-22 2015-08-26 英特尔公司 时分双工通信***中的外环/加权开环功率控制

Also Published As

Publication number Publication date
CA2003788C (fr) 2000-02-01
EP0445232A1 (fr) 1991-09-11
JPH04502211A (ja) 1992-04-16
EP0445232B1 (fr) 1994-12-14
US4947459A (en) 1990-08-07
DE68920047T2 (de) 1995-06-14
DE68920047D1 (de) 1995-01-26
JP2761978B2 (ja) 1998-06-04
WO1990006640A1 (fr) 1990-06-14

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Legal Events

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