DE69806874D1 - Distortionsstrafemessverfahren in optischen Systemen mit Geräuschbelastung - Google Patents

Distortionsstrafemessverfahren in optischen Systemen mit Geräuschbelastung

Info

Publication number
DE69806874D1
DE69806874D1 DE69806874T DE69806874T DE69806874D1 DE 69806874 D1 DE69806874 D1 DE 69806874D1 DE 69806874 T DE69806874 T DE 69806874T DE 69806874 T DE69806874 T DE 69806874T DE 69806874 D1 DE69806874 D1 DE 69806874D1
Authority
DE
Germany
Prior art keywords
measurement method
optical systems
noise pollution
distortion penalty
penalty measurement
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
DE69806874T
Other languages
English (en)
Other versions
DE69806874T2 (de
Inventor
Farideh Khaleghi
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
Application granted granted Critical
Publication of DE69806874D1 publication Critical patent/DE69806874D1/de
Publication of DE69806874T2 publication Critical patent/DE69806874T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04B10/07951—Monitoring or measuring chromatic dispersion or PMD
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
DE69806874T 1997-09-19 1998-09-14 Distortionsstrafemessverfahren in optischen Systemen mit Geräuschbelastung Expired - Fee Related DE69806874T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/933,875 US6069718A (en) 1997-09-19 1997-09-19 Distortion penalty measurement procedure in optical systems using noise loading

Publications (2)

Publication Number Publication Date
DE69806874D1 true DE69806874D1 (de) 2002-09-05
DE69806874T2 DE69806874T2 (de) 2002-11-14

Family

ID=25464642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69806874T Expired - Fee Related DE69806874T2 (de) 1997-09-19 1998-09-14 Distortionsstrafemessverfahren in optischen Systemen mit Geräuschbelastung

Country Status (4)

Country Link
US (1) US6069718A (de)
EP (1) EP0903874B1 (de)
CA (1) CA2246148C (de)
DE (1) DE69806874T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6115157A (en) * 1997-12-24 2000-09-05 Nortel Networks Corporation Methods for equalizing WDM systems
DE19812078A1 (de) * 1998-03-19 1999-09-23 Siemens Ag Verfahren zur Überwachung der Signalqualität in transparenten optischen Netzen
CA2335289C (en) * 1998-06-16 2009-10-13 Mohammed Nazrul Islam Fiber-optic compensation for dispersion, gain tilt, and band pump nonlinearity
US6381048B1 (en) * 1998-09-15 2002-04-30 Lucent Technologies Inc. Wavelength division multiplexed system having reduced cross-phase modulation
JP3574578B2 (ja) * 1998-12-18 2004-10-06 富士通株式会社 波長分割多重光通信システムにおける伝送特性均一化装置及び方法
US6259543B1 (en) * 1999-02-17 2001-07-10 Tycom (Us) Inc. Efficient method for assessing the system performance of an optical transmission system while accounting for penalties arising from nonlinear interactions
US6265018B1 (en) * 1999-08-31 2001-07-24 Lucent Technologies Inc. Fabricating graded index plastic optical fibers
IT1320596B1 (it) * 2000-08-18 2003-12-10 Marconi Comm Spa Sistema di trasmissione ottico.
US6980737B1 (en) 2000-10-16 2005-12-27 Nortel Networks Limited Method and apparatus for rapidly measuring optical transmission characteristics in photonic networks
JP3495715B2 (ja) * 2001-03-01 2004-02-09 株式会社東芝 回線品質監視装置及び回線品質監視方法
EP1278313B1 (de) * 2001-07-19 2005-05-11 Acterna Germany GmbH Verfahren und Vorrichtung zur Messung des Q-Faktors eines digitalen Nachrichtenübertragungssystems
WO2003030427A1 (en) * 2001-10-03 2003-04-10 Tejas Networks India Pvt. Ltd. Improving osnr of optically amplified dwdm transmission system
WO2003030428A1 (en) * 2001-10-03 2003-04-10 Tejas Networks India Pvt. Ltd. System for improving osnr of dwdm transmission system
US7190902B2 (en) * 2001-12-12 2007-03-13 Lucent Technologies Inc. Wavelength exerciser
DE60108772T2 (de) * 2001-12-21 2006-01-12 Agilent Technologies Inc., A Delaware Corp., Palo Alto Beschleunigte Bitfehlerratenmessung
US7206516B2 (en) * 2002-04-30 2007-04-17 Pivotal Decisions Llc Apparatus and method for measuring the dispersion of a fiber span
JP2006086955A (ja) * 2004-09-17 2006-03-30 Fujitsu Ltd 伝送特性評価システムおよびその擬似伝送路装置
GB2399720B (en) * 2003-03-21 2005-10-12 Agilent Technologies Inc A method and apparatus for assessing performance of optical systems
WO2004095736A1 (ja) * 2003-04-23 2004-11-04 Fujitsu Limited 受信誤り率制御装置
IL157985A (en) * 2003-09-18 2008-04-13 Eci Telecom Ltd Method and device of analyzing a signal transmitted via a communication link
US7522846B1 (en) * 2003-12-23 2009-04-21 Nortel Networks Limited Transmission power optimization apparatus and method
WO2007047613A2 (en) * 2005-10-18 2007-04-26 Lecroy Corporation Estimating bit error rate performance of signals
US7899638B2 (en) * 2005-10-18 2011-03-01 Lecroy Corporation Estimating bit error rate performance of signals
DE102006045134B3 (de) * 2006-09-25 2008-05-08 Nokia Siemens Networks Gmbh & Co.Kg Verfahren zur Ermittlung des optischen Signal-Rausch-Verhältnisses und Empfangseinrichtung für ein optisches Übertragungssystem
US8055128B2 (en) * 2008-04-07 2011-11-08 Ciena Corporation Methods and systems for optimal launch power computation in meshed optical networks
JP5545752B2 (ja) * 2010-12-20 2014-07-09 富士通テレコムネットワークス株式会社 光パケット交換システム
EP2569879B1 (de) * 2011-07-27 2018-11-28 Huawei Technologies Co., Ltd. Verfahren und vorrichtung zur bestimmung einer osnr-einbusse
JP6400119B2 (ja) * 2014-04-17 2018-10-03 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 光信号対ノイズ比をモニタリングする方法及び装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210743A (ja) * 1987-02-27 1988-09-01 Anritsu Corp 波長分散測定器
US4823360A (en) * 1988-02-12 1989-04-18 Northern Telecom Limited Binary data regenerator with adaptive threshold level
US4947459A (en) * 1988-11-25 1990-08-07 Honeywell, Inc. Fiber optic link noise measurement and optimization system
US5225922A (en) * 1991-11-21 1993-07-06 At&T Bell Laboratories Optical transmission system equalizer
US5546325A (en) * 1993-02-04 1996-08-13 International Business Machines Corporation Automated system, and corresponding method, for testing electro-optic modules
WO1995008879A1 (en) * 1993-09-22 1995-03-30 Massachussetts Institute Of Technology Error-rate based laser drive control
JPH07154378A (ja) * 1993-12-01 1995-06-16 Kokusai Denshin Denwa Co Ltd <Kdd> 光伝送特性測定装置
DE69416396T2 (de) * 1994-04-11 1999-06-10 Hewlett Packard Gmbh Rauschpegelmessungsverfahren in Gegenwart von einem Signal
US5825521A (en) * 1995-07-24 1998-10-20 Lucent Technologies Inc. Method of determining inter-symbol interference in transmission systems

Also Published As

Publication number Publication date
EP0903874A3 (de) 2000-08-16
CA2246148A1 (en) 1999-03-19
CA2246148C (en) 2002-08-06
EP0903874B1 (de) 2002-07-31
DE69806874T2 (de) 2002-11-14
EP0903874A2 (de) 1999-03-24
US6069718A (en) 2000-05-30

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