DK149897A - Fremgangsmåde samt system til koding af WDM-signaler - Google Patents

Fremgangsmåde samt system til koding af WDM-signaler

Info

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

Links

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
PCT/DK1998/000565 WO1999033200A1 (en) 1997-12-19 1998-12-18 A method and a system for coding wdm signals
EP98962292A EP1040607B1 (en) 1997-12-19 1998-12-18 A method and a system for coding wdm signals
DE69817021T DE69817021T2 (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
DK149897 1997-12-19
DK149897A DK173396B1 (da) 1997-12-19 1997-12-19 Fremgangsmåde og system til koding af WDM-signaler samt AM-modulationsenhed til et WDM-system

Publications (2)

Publication Number Publication Date
DK149897A true DK149897A (da) 1999-07-19
DK173396B1 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 (da)
DE (1) DE69817021T2 (da)
DK (1) DK173396B1 (da)
WO (1) WO1999033200A1 (da)

Families Citing this family (12)

* 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
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
CA2358382C (en) 2001-10-05 2008-09-09 Ping Wai Wan Channel identification in communications networks
US7158723B2 (en) * 2001-10-05 2007-01-02 Tropic Networks Inc. Channel identification in communications networks
US7869709B2 (en) 2001-10-05 2011-01-11 Alcatel-Lucent Canada Inc. Signal identification in optical communications networks
EP1508988B1 (en) * 2001-10-05 2006-05-31 Tropic Networks, Inc. Channel identification in communications networks
US7248798B2 (en) 2002-09-30 2007-07-24 Tropic Networks Inc. Method and system for identification of channels in an optical network
WO2004107625A1 (en) * 2003-06-02 2004-12-09 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 (en) 2012-03-20 2017-03-15 ADVA Optical Networking SE A method and system for operating an optical transmission system
US20250080265A1 (en) * 2021-07-23 2025-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Optical filter architecture

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
EP0554736B1 (de) * 1992-02-01 1996-04-10 Alcatel SEL Aktiengesellschaft Digitales optisches Nachrichtenübertragungssystem mit einem bei der Betriebswellenlänge dispersionsbehafteten Lichtwellenleiter

Also Published As

Publication number Publication date
DE69817021T2 (de) 2004-06-09
WO1999033200A1 (en) 1999-07-01
DE69817021D1 (de) 2003-09-11
DK173396B1 (da) 2000-09-18
EP1040607B1 (en) 2003-08-06
EP1040607A1 (en) 2000-10-04

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B1 Patent granted (law 1993)
PBP Patent lapsed

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