DK173396B1 - Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system - Google Patents

Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system Download PDF

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Publication number
DK173396B1
DK173396B1 DK149897A DK149897A DK173396B1 DK 173396 B1 DK173396 B1 DK 173396B1 DK 149897 A DK149897 A DK 149897A DK 149897 A DK149897 A DK 149897A DK 173396 B1 DK173396 B1 DK 173396B1
Authority
DK
Denmark
Prior art keywords
signals
wdm
pilot
signal
data
Prior art date
Application number
DK149897A
Other languages
Danish (da)
English (en)
Other versions
DK149897A (da
Inventor
Claus Friis Pedersen
Carsten Gudmann Joergensen
Original Assignee
Tellabs Denmark As
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 Tellabs Denmark As filed Critical Tellabs Denmark As
Priority to DK149897A priority Critical patent/DK173396B1/da
Priority to DE69817021T priority patent/DE69817021T2/de
Priority to PCT/DK1998/000565 priority patent/WO1999033200A1/en
Priority to EP98962292A priority patent/EP1040607B1/de
Publication of DK149897A publication Critical patent/DK149897A/da
Application granted granted Critical
Publication of DK173396B1 publication Critical patent/DK173396B1/da

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
    • 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
    • H04J14/0246—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 using one wavelength per ONU
    • 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
    • H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone
    • 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
    • H04J14/0278—WDM optical network architectures
    • H04J14/0279—WDM point-to-point architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DK149897A 1997-12-19 1997-12-19 Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system DK173396B1 (da)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK149897A DK173396B1 (da) 1997-12-19 1997-12-19 Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system
DE69817021T DE69817021T2 (de) 1997-12-19 1998-12-18 Verfahren und vorrichtung zur kodierung von wdm signalen
PCT/DK1998/000565 WO1999033200A1 (en) 1997-12-19 1998-12-18 A method and a system for coding wdm signals
EP98962292A EP1040607B1 (de) 1997-12-19 1998-12-18 Verfahren und vorrichtung zur kodierung von wdm signalen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK149897A DK173396B1 (da) 1997-12-19 1997-12-19 Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system
DK149897 1997-12-19

Publications (2)

Publication Number Publication Date
DK149897A DK149897A (da) 1999-07-19
DK173396B1 true DK173396B1 (da) 2000-09-18

Family

ID=8105470

Family Applications (1)

Application Number Title Priority Date Filing Date
DK149897A DK173396B1 (da) 1997-12-19 1997-12-19 Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system

Country Status (4)

Country Link
EP (1) EP1040607B1 (de)
DE (1) DE69817021T2 (de)
DK (1) DK173396B1 (de)
WO (1) WO1999033200A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6271944B1 (en) * 1999-06-30 2001-08-07 Philips Electronics North America Corp. Laser wavelength control in an optical communication system
US7869709B2 (en) 2001-10-05 2011-01-11 Alcatel-Lucent Canada Inc. Signal identification in optical communications networks
US7155122B2 (en) 2001-10-05 2006-12-26 Tropic Networks Inc. Channel identification in communications networks
US7551858B2 (en) 2001-10-05 2009-06-23 Alcatel-Lucent Canada Inc. Signal identification in optical communications networks
US7158723B2 (en) 2001-10-05 2007-01-02 Tropic Networks Inc. Channel identification in communications networks
CA2358382C (en) 2001-10-05 2008-09-09 Ping Wai Wan Channel identification in communications networks
EP1508988B1 (de) * 2001-10-05 2006-05-31 Tropic Networks, Inc. Kanalidentifizierung in Kommunikationsnetzwerken
US7248798B2 (en) 2002-09-30 2007-07-24 Tropic Networks Inc. Method and system for identification of channels in an optical network
AU2003286051A1 (en) * 2003-06-02 2005-01-21 Tropic Networks Inc. Method and system for identification of channels in an optical network
DE102004004087A1 (de) * 2004-01-27 2005-08-18 Siemens Ag Verfahren zur Kanalidentifizierung in optischen Netzen
EP2642676B1 (de) 2012-03-20 2017-03-15 ADVA Optical Networking SE Verfahren und Einrichtung zum Betrieb eines optischen Übertragungssystems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212579A (en) * 1991-03-11 1993-05-18 General Instrument Corporation Method and apparatus for communicating amplitude modulated signals over an optical communication path
ES2089595T3 (es) * 1992-02-01 1996-10-01 Sel Alcatel Ag Sistema optico digital de transmision con una guia de ondas con dispersion a la longitud de onda de trabajo.

Also Published As

Publication number Publication date
EP1040607A1 (de) 2000-10-04
EP1040607B1 (de) 2003-08-06
WO1999033200A1 (en) 1999-07-01
DE69817021D1 (de) 2003-09-11
DE69817021T2 (de) 2004-06-09
DK149897A (da) 1999-07-19

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