DE69939768D1 - Optische signalqualitätsüberwachung - Google Patents

Optische signalqualitätsüberwachung

Info

Publication number
DE69939768D1
DE69939768D1 DE69939768T DE69939768T DE69939768D1 DE 69939768 D1 DE69939768 D1 DE 69939768D1 DE 69939768 T DE69939768 T DE 69939768T DE 69939768 T DE69939768 T DE 69939768T DE 69939768 D1 DE69939768 D1 DE 69939768D1
Authority
DE
Germany
Prior art keywords
optical signal
signal quality
quality monitoring
monitoring
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 - Lifetime
Application number
DE69939768T
Other languages
English (en)
Inventor
Takashi Mizuochi
Yojiro Osaki
Aritomo Uemura
Hiroshi Ichibangase
Kiwami Matsushita
Tadayoshi Kitayama
Shu Yamamoto
Tetsuya Miyazaki
Takatomi Kabashima
Naoki Kobayashi
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.)
Mitsubishi Electric Corp
KDDI Corp
Original Assignee
Mitsubishi Electric Corp
KDD Corp
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 Mitsubishi Electric Corp, KDD Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69939768D1 publication Critical patent/DE69939768D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04B10/0775—Performance monitoring and measurement of transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • 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
    • H04B2210/071—Monitoring an optical transmission system using a supervisory signal using alarms
    • 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
    • H04B2210/072—Monitoring an optical transmission system using a supervisory signal using an overhead 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69939768T 1998-08-31 1999-08-27 Optische signalqualitätsüberwachung Expired - Lifetime DE69939768D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24559498A JP3547622B2 (ja) 1998-08-31 1998-08-31 光信号品質監視装置
PCT/JP1999/004644 WO2000013345A1 (fr) 1998-08-31 1999-08-27 Surveillance de la qualite d'un signal optique

Publications (1)

Publication Number Publication Date
DE69939768D1 true DE69939768D1 (de) 2008-12-04

Family

ID=17136061

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69939768T Expired - Lifetime DE69939768D1 (de) 1998-08-31 1999-08-27 Optische signalqualitätsüberwachung
DE69941882T Expired - Lifetime DE69941882D1 (de) 1998-08-31 1999-08-27 Vorrichtung zur Überwachung der Qualität eines optischen Signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69941882T Expired - Lifetime DE69941882D1 (de) 1998-08-31 1999-08-27 Vorrichtung zur Überwachung der Qualität eines optischen Signals

Country Status (5)

Country Link
US (1) US6801720B1 (de)
EP (4) EP1035669B1 (de)
JP (1) JP3547622B2 (de)
DE (2) DE69939768D1 (de)
WO (1) WO2000013345A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6993700B1 (en) * 2000-12-22 2006-01-31 Applied Micro Circuits Corporation System and method for generating forward error correction based alarms
US7158289B1 (en) 2003-11-07 2007-01-02 Alcatel Method and apparatus for implementing optical supervisory channel using broadband noise modulation
EP1753160B1 (de) 2004-06-03 2016-08-10 Nippon Telegraph And Telephone Corporation Optische signalqualitätsüberwachungsschaltung und optisches signalqualitätsüberwachungsverfahren
US20060140626A1 (en) * 2004-12-24 2006-06-29 Optovia Corporation Optical Supervisory Channel for High Span Loss Optical Communication Systems
US8379297B2 (en) 2006-05-30 2013-02-19 Weatherford/Lamb, Inc. Wavelength swept light source and filter based on sweep function, and its method of operation
US20090290160A1 (en) * 2006-05-30 2009-11-26 Domino Taverner Wavelength sweep control
JP2008042288A (ja) * 2006-08-02 2008-02-21 Fujitsu Ltd 信号処理装置及び信号処理方法
JP2009198364A (ja) * 2008-02-22 2009-09-03 Fujitsu Ltd 光ファイバ伝送路の特性および光信号の品質をモニタするモニタ回路
US8417115B2 (en) * 2009-07-09 2013-04-09 Finisar Corporation Quantifying link quality in an optoelectronic module
EP2782286B1 (de) * 2013-03-22 2019-08-21 Mitsubishi Electric R&D Centre Europe B.V. Verfahren und Vorrichtung zum Bestimmen, ob eine Konfiguration einer optischen Übertragungsschnittstelle angepasst werden muss
CN104734778B (zh) * 2013-12-20 2018-01-30 中国移动通信集团公司 一种数据信号和监测信号的发送、接收方法及装置
EP3625904B1 (de) 2017-05-17 2022-04-27 Alcatel Submarine Networks Verwendung von bandpassfiltern in überwachungssignalbahnen eines optischen transportsystems
EP3599726B1 (de) * 2018-07-25 2021-05-19 Alcatel Submarine Networks Überwachungsvorrichtung für ein optisches transportsystem
EP3696997B1 (de) 2019-02-15 2022-06-15 Alcatel Submarine Networks Symmetrische optische überwachungsschaltung für einen bidirektionalen optischen verstärker

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2529408B2 (ja) * 1989-09-08 1996-08-28 松下電器産業株式会社 Ｒｆ信号光伝送方式
JP3110786B2 (ja) * 1991-03-26 2000-11-20 日本電信電話株式会社 障害区間標定方式
JPH05235810A (ja) * 1992-02-20 1993-09-10 Nec Corp 遠隔制御システム及びそれに用いる端局装置、中継局装置
JP2752891B2 (ja) * 1993-09-14 1998-05-18 日本電気株式会社 光加入者システム監視方式
WO1995009491A1 (de) * 1993-09-30 1995-04-06 Ant Nachrichtentechnik Gmbh Optisches nachrichtenübertragungsverfahren und zwischenverstärker hierfür
JP2586837B2 (ja) * 1994-11-16 1997-03-05 日本電気株式会社 復調回路
JP2748908B2 (ja) * 1995-10-19 1998-05-13 日本電気株式会社 光伝送路特性測定方法とその装置および光波長多重伝送方法とその装置
JPH09153862A (ja) * 1995-11-30 1997-06-10 Kokusai Denshin Denwa Co Ltd <Kdd> 光増幅中継伝送システムの監視方法
US6108113A (en) * 1995-12-29 2000-08-22 Mci Communications Corporation Method and system for transporting ancillary network data
GB2315938B (en) * 1996-08-01 2001-02-28 Northern Telecom Ltd Optical transmission system fault analysis
US6178025B1 (en) * 1997-12-03 2001-01-23 Nortel Networks Limited Optical network loss-of-signal detection
US6323978B1 (en) * 1998-04-06 2001-11-27 Nortel Networks Limited Robust variable-bit-rate optical channel overhead
US6370300B1 (en) * 1999-02-18 2002-04-09 Lucent Technologies Inc. Optical communication system incorporating automatic dispersion compensation modules

Also Published As

Publication number Publication date
EP1035669B1 (de) 2008-10-22
EP1641150A2 (de) 2006-03-29
EP1635484A2 (de) 2006-03-15
EP1635484A3 (de) 2008-09-10
EP1641150A3 (de) 2008-07-02
EP1635484B1 (de) 2013-01-16
US6801720B1 (en) 2004-10-05
EP1035669A4 (de) 2004-10-20
EP1641150B1 (de) 2009-12-30
JP2000078084A (ja) 2000-03-14
DE69941882D1 (de) 2010-02-11
WO2000013345A1 (fr) 2000-03-09
EP1641149A2 (de) 2006-03-29
JP3547622B2 (ja) 2004-07-28
EP1035669A1 (de) 2000-09-13
EP1641149A3 (de) 2008-09-10
EP1641149B1 (de) 2013-05-08

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