GB2350001B - Optical networks - Google Patents

Optical networks

Info

Publication number
GB2350001B
GB2350001B GB9911200A GB9911200A GB2350001B GB 2350001 B GB2350001 B GB 2350001B GB 9911200 A GB9911200 A GB 9911200A GB 9911200 A GB9911200 A GB 9911200A GB 2350001 B GB2350001 B GB 2350001B
Authority
GB
United Kingdom
Prior art keywords
optical networks
networks
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 - Fee Related
Application number
GB9911200A
Other versions
GB9911200D0 (en
GB2350001A (en
Inventor
Ian Robert Wright
Mark John Robinson
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to GB9911200A priority Critical patent/GB2350001B/en
Publication of GB9911200D0 publication Critical patent/GB9911200D0/en
Publication of GB2350001A publication Critical patent/GB2350001A/en
Application granted granted Critical
Publication of GB2350001B publication Critical patent/GB2350001B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB9911200A 1999-05-13 1999-05-13 Optical networks Expired - Fee Related GB2350001B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9911200A GB2350001B (en) 1999-05-13 1999-05-13 Optical networks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9911200A GB2350001B (en) 1999-05-13 1999-05-13 Optical networks

Publications (3)

Publication Number Publication Date
GB9911200D0 GB9911200D0 (en) 1999-07-14
GB2350001A GB2350001A (en) 2000-11-15
GB2350001B true GB2350001B (en) 2004-06-09

Family

ID=10853447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9911200A Expired - Fee Related GB2350001B (en) 1999-05-13 1999-05-13 Optical networks

Country Status (1)

Country Link
GB (1) GB2350001B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231275A1 (en) 2002-07-10 2004-01-22 Marconi Communications Gmbh Method for transmitting information in an optical network and nodes for such a network
DE102015208329B3 (en) * 2015-05-05 2016-10-06 Deutsche Telekom Ag A method for transmitting data more effectively in an optical telecommunications network in wavelength-multiplexed operation of different optical wavelengths, the optical telecommunications network comprising two higher-level network nodes and a plurality of network elements, optical telecommunications network, computer program and computer program product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0620694A2 (en) * 1993-04-16 1994-10-19 Nec Corporation Optical cross-connect system with space and wavelength division switching stages
WO1997025829A2 (en) * 1995-12-22 1997-07-17 Mci Communications Corporation System and method for photonic facility and line protection switching

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0620694A2 (en) * 1993-04-16 1994-10-19 Nec Corporation Optical cross-connect system with space and wavelength division switching stages
WO1997025829A2 (en) * 1995-12-22 1997-07-17 Mci Communications Corporation System and method for photonic facility and line protection switching

Also Published As

Publication number Publication date
GB9911200D0 (en) 1999-07-14
GB2350001A (en) 2000-11-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090513