DE69926897D1 - Gerät und verfahren zur bestimmung der rauschleistung - Google Patents

Gerät und verfahren zur bestimmung der rauschleistung

Info

Publication number
DE69926897D1
DE69926897D1 DE69926897T DE69926897T DE69926897D1 DE 69926897 D1 DE69926897 D1 DE 69926897D1 DE 69926897 T DE69926897 T DE 69926897T DE 69926897 T DE69926897 T DE 69926897T DE 69926897 D1 DE69926897 D1 DE 69926897D1
Authority
DE
Germany
Prior art keywords
wavelength
plambd
power
noise power
pouttot
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
DE69926897T
Other languages
English (en)
Other versions
DE69926897T2 (de
Inventor
Bengt Johansson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69926897D1 publication Critical patent/DE69926897D1/de
Publication of DE69926897T2 publication Critical patent/DE69926897T2/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
    • 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
    • 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
    • H04B10/07955—Monitoring or measuring power
DE69926897T 1998-07-03 1999-06-22 Gerät und verfahren zur bestimmung der rauschleistung Expired - Lifetime DE69926897T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9802391 1998-07-03
SE9802391A SE512370C2 (sv) 1998-07-03 1998-07-03 Anordning och förfarande för att uppskatta total bruseffekt
PCT/SE1999/001121 WO2000002331A1 (en) 1998-07-03 1999-06-22 Device and method for ascertaining noise power

Publications (2)

Publication Number Publication Date
DE69926897D1 true DE69926897D1 (de) 2005-09-29
DE69926897T2 DE69926897T2 (de) 2006-03-09

Family

ID=20411953

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926897T Expired - Lifetime DE69926897T2 (de) 1998-07-03 1999-06-22 Gerät und verfahren zur bestimmung der rauschleistung

Country Status (7)

Country Link
US (1) US6507420B1 (de)
EP (1) EP1095475B1 (de)
AT (1) ATE303020T1 (de)
DE (1) DE69926897T2 (de)
ES (1) ES2249898T3 (de)
SE (1) SE512370C2 (de)
WO (1) WO2000002331A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146001B4 (de) * 2001-09-18 2008-04-03 Nokia Siemens Networks Gmbh & Co.Kg Schaltungsanordnung und Verfahren zur Sicherheitsabschaltung eines optischen Verstärkers
US7587139B1 (en) 2003-05-12 2009-09-08 Cisco Technology, Inc. Optical channel power control in WDM networks

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947459A (en) * 1988-11-25 1990-08-07 Honeywell, Inc. Fiber optic link noise measurement and optimization system
US5117303A (en) * 1990-08-23 1992-05-26 At&T Bell Laboratories Method of operating concatenated optical amplifiers
US5095281A (en) * 1990-11-13 1992-03-10 At&T Bell Laboratories Method and apparatus for determining the absolute noise figure of optical amplifiers
JPH04181210A (ja) * 1990-11-16 1992-06-29 Fujitsu Ltd 光増幅器の監視制御方式
US5500756A (en) * 1992-02-28 1996-03-19 Hitachi, Ltd. Optical fiber transmission system and supervision method of the same
JP3283282B2 (ja) * 1992-03-16 2002-05-20 富士通株式会社 光増幅器の測定システム、光増幅器の雑音特性測定装置、光増幅器の測定方法、及び光ファイバ増幅器の雑音特性測定装置
US5471334A (en) 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
US5534996A (en) * 1993-09-21 1996-07-09 Advantest Corporation Measurement apparatus for evaluating characteristics of light emitting devices
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
JP2954475B2 (ja) * 1994-02-18 1999-09-27 リーダー電子株式会社 デジタル伝送システムを評価するための方法及び装置
EP0678988B1 (de) * 1994-04-11 1999-02-03 Hewlett-Packard GmbH Rauschpegelmessungsverfahren in Gegenwart von einem Signal
JPH0837497A (ja) * 1994-05-20 1996-02-06 Fujitsu Ltd 光増幅器及び光送信装置
US5513029A (en) * 1994-06-16 1996-04-30 Northern Telecom Limited Method and apparatus for monitoring performance of optical transmission systems
EP0702437B1 (de) * 1994-08-16 1998-05-27 Hewlett-Packard GmbH Verfahren und Vorrichtung zur Analyse der Charakteristiken einer optischen Schaltung
CA2155693C (en) * 1994-08-25 1999-12-14 Daniel A. Fishman Performance monitoring and fault location in optical transmission systems
JP3379052B2 (ja) * 1994-09-26 2003-02-17 富士通株式会社 波長多重光増幅装置及び光波長多重伝送システム及び光波長多重伝送方法
JP3531761B2 (ja) * 1994-10-14 2004-05-31 安藤電気株式会社 光増幅器雑音指数測定方法および装置
JP3353243B2 (ja) * 1995-03-08 2002-12-03 日本電信電話株式会社 雑音指数測定方法
JP3531768B2 (ja) * 1995-08-15 2004-05-31 安藤電気株式会社 光増幅器雑音指数測定方法および装置
US6108113A (en) * 1995-12-29 2000-08-22 Mci Communications Corporation Method and system for transporting ancillary network data
US5859716A (en) * 1996-01-18 1999-01-12 Northern Telecom Limited Self-stimulation signal detection in an optical transmission system
JP3272934B2 (ja) * 1996-02-07 2002-04-08 安藤電気株式会社 波長多重光増幅器の評価測定装置および方法
JP3392284B2 (ja) * 1996-03-06 2003-03-31 沖電気工業株式会社 光増幅器の評価方法
SE514609C2 (sv) * 1996-09-13 2001-03-19 Ericsson Telefon Ab L M System och förfarande för reglering av uteffekten hos en optisk förstärkare
SE506403C2 (sv) * 1996-09-13 1997-12-15 Ericsson Telefon Ab L M Transmissionssystem med återkopplad optisk förstärkare
EP0887954B1 (de) * 1997-06-26 2000-09-13 Hewlett-Packard Company Rauschmassmessung von optischen Verstärkern mittels Leistungssubstitution
US6008916A (en) * 1997-09-19 1999-12-28 Nortel Networks Corporation Distortion penalty measurement technique in optical systems based on signal level adjustment
SE9703000D0 (sv) 1997-10-21 1997-08-20 Ericsson Telefon Ab L M Optical amplifier control

Also Published As

Publication number Publication date
ES2249898T3 (es) 2006-04-01
SE9802391D0 (sv) 1998-07-03
SE512370C2 (sv) 2000-03-06
DE69926897T2 (de) 2006-03-09
EP1095475B1 (de) 2005-08-24
EP1095475A1 (de) 2001-05-02
ATE303020T1 (de) 2005-09-15
US6507420B1 (en) 2003-01-14
SE9802391L (sv) 2000-01-04
WO2000002331A1 (en) 2000-01-13

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Legal Events

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