DE69939768D1 - Optische signalqualitätsüberwachung - Google Patents
Optische signalqualitätsüberwachungInfo
- 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
Links
- 238000012544 monitoring process Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
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)
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 |
---|---|---|---|
DE69941882T Expired - Lifetime DE69941882D1 (de) | 1998-08-31 | 1999-08-27 | Vorrichtung zur Überwachung der Qualität eines optischen Signals |
DE69939768T Expired - Lifetime DE69939768D1 (de) | 1998-08-31 | 1999-08-27 | Optische signalqualitätsüberwachung |
Family Applications Before (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) | DE69941882D1 (de) |
WO (1) | WO2000013345A1 (de) |
Families Citing this family (14)
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 |
CN103312410B (zh) * | 2004-06-03 | 2016-05-04 | 日本电信电话株式会社 | 光信号质量监控电路以及光信号质量监控方法 |
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)
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 |
-
1998
- 1998-08-31 JP JP24559498A patent/JP3547622B2/ja not_active Expired - Fee Related
-
1999
- 1999-08-27 EP EP99940529A patent/EP1035669B1/de not_active Expired - Lifetime
- 1999-08-27 EP EP05090305.3A patent/EP1641149B1/de not_active Expired - Lifetime
- 1999-08-27 DE DE69941882T patent/DE69941882D1/de not_active Expired - Lifetime
- 1999-08-27 EP EP05090304A patent/EP1635484B1/de not_active Expired - Lifetime
- 1999-08-27 WO PCT/JP1999/004644 patent/WO2000013345A1/ja active Application Filing
- 1999-08-27 DE DE69939768T patent/DE69939768D1/de not_active Expired - Lifetime
- 1999-08-27 EP EP05090306A patent/EP1641150B1/de not_active Expired - Lifetime
-
2000
- 2000-04-28 US US09/559,644 patent/US6801720B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1641149B1 (de) | 2013-05-08 |
DE69941882D1 (de) | 2010-02-11 |
EP1035669A4 (de) | 2004-10-20 |
EP1035669B1 (de) | 2008-10-22 |
EP1641150B1 (de) | 2009-12-30 |
JP3547622B2 (ja) | 2004-07-28 |
WO2000013345A1 (fr) | 2000-03-09 |
EP1635484A3 (de) | 2008-09-10 |
EP1641150A2 (de) | 2006-03-29 |
EP1035669A1 (de) | 2000-09-13 |
EP1641149A2 (de) | 2006-03-29 |
EP1641150A3 (de) | 2008-07-02 |
US6801720B1 (en) | 2004-10-05 |
JP2000078084A (ja) | 2000-03-14 |
EP1635484A2 (de) | 2006-03-15 |
EP1641149A3 (de) | 2008-09-10 |
EP1635484B1 (de) | 2013-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |