DE69918805D1 - Optisches telekommunikationsnetzwerk - Google Patents

Optisches telekommunikationsnetzwerk

Info

Publication number
DE69918805D1
DE69918805D1 DE69918805T DE69918805T DE69918805D1 DE 69918805 D1 DE69918805 D1 DE 69918805D1 DE 69918805 T DE69918805 T DE 69918805T DE 69918805 T DE69918805 T DE 69918805T DE 69918805 D1 DE69918805 D1 DE 69918805D1
Authority
DE
Germany
Prior art keywords
telecommunications network
optical telecommunications
optical
network
telecommunications
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
DE69918805T
Other languages
English (en)
Other versions
DE69918805T2 (de
Inventor
Simo Tammela
Jaakko Aarnio
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.)
Schofield Technologies LLC
Original Assignee
Nokia Oyj
Nokia Inc
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 Nokia Oyj, Nokia Inc filed Critical Nokia Oyj
Publication of DE69918805D1 publication Critical patent/DE69918805D1/de
Application granted granted Critical
Publication of DE69918805T2 publication Critical patent/DE69918805T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04J14/0293—Optical channel protection
    • H04J14/0294—Dedicated protection at the optical channel (1+1)
    • 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
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0295—Shared protection at the optical channel (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment protection
    • 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
    • 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
    • H04J14/0284—WDM mesh architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
DE69918805T 1998-02-13 1999-02-12 Optisches telekommunikationsnetzwerk Expired - Lifetime DE69918805T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI980329A FI980329A7 (fi) 1998-02-13 1998-02-13 Optinen tietoliikenneverkko
FI980329 1998-02-13
PCT/FI1999/000115 WO1999041857A2 (en) 1998-02-13 1999-02-12 Optical telecommunications network

Publications (2)

Publication Number Publication Date
DE69918805D1 true DE69918805D1 (de) 2004-08-26
DE69918805T2 DE69918805T2 (de) 2005-08-04

Family

ID=8550839

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918805T Expired - Lifetime DE69918805T2 (de) 1998-02-13 1999-02-12 Optisches telekommunikationsnetzwerk

Country Status (6)

Country Link
US (1) US6868234B1 (de)
EP (1) EP1055298B1 (de)
AU (1) AU2427399A (de)
DE (1) DE69918805T2 (de)
FI (1) FI980329A7 (de)
WO (1) WO1999041857A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE523986C2 (sv) * 2001-03-09 2004-06-15 Lumentis Ab Optiskt WDM-Ringnät för flexibla förbindelser
JP4574947B2 (ja) * 2001-03-09 2010-11-04 トランスモード ホールディング エービー フレキシブルなｗｄｍリングネットワーク
US7623789B2 (en) 2001-04-11 2009-11-24 Transmode Holding Ab Low loss WDM add drop node
EP1271825A1 (de) * 2001-06-25 2003-01-02 Lucent Technologies Inc. Verfahren und System zur Übertragung von multiplexierten optischen Nachrichten
JP4035714B2 (ja) * 2002-07-18 2008-01-23 日本電気株式会社 通信ノードおよびスイッチ装置
GB0311563D0 (en) * 2003-05-20 2003-06-25 Nokia Corp Optical data transmission system
US7957270B2 (en) * 2005-06-27 2011-06-07 At&T Intellectual Property I, L.P. Resilient packet ring protection over a wavelength division multiplexing network
US20110178874A1 (en) * 2010-01-18 2011-07-21 Rabih Salem Ballout Service for Providing an Interactive, Personalized Radio Network
US20110178878A1 (en) * 2010-01-18 2011-07-21 Rabih Ballout System for Providing an Interactive, Personalized Radio Network
US20110176397A1 (en) * 2010-01-18 2011-07-21 Rabih Salem Ballout Method for Providing an Interactive, Personalized Radio Network
EP3941071A1 (de) * 2020-07-13 2022-01-19 Ateme Fernüberwachung eines hauptkontrollraums zur videoverteilung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179548A (en) * 1991-06-27 1993-01-12 Bell Communications Research, Inc. Self-healing bidirectional logical-ring network using crossconnects
US5774244A (en) * 1994-01-18 1998-06-30 British Telecommunications Public Limited Company Optical communications networks
AU1181797A (en) * 1995-12-13 1997-07-03 British Telecommunications Public Limited Company Meshed optical network
SE507415C2 (sv) 1996-07-18 1998-05-25 Ericsson Telefon Ab L M Våglängdsmultiplexerat optiskt nätverk med navnod
JP3068018B2 (ja) * 1996-12-04 2000-07-24 日本電気株式会社 光波長分割多重リングシステム
FI980328A7 (fi) * 1998-02-13 1999-08-14 Nokia Corp Optinen tietoliikenneverkko

Also Published As

Publication number Publication date
US6868234B1 (en) 2005-03-15
AU2427399A (en) 1999-08-30
EP1055298A2 (de) 2000-11-29
EP1055298B1 (de) 2004-07-21
WO1999041857A2 (en) 1999-08-19
DE69918805T2 (de) 2005-08-04
FI980329A0 (fi) 1998-02-13
FI980329A7 (fi) 1999-08-14
WO1999041857A3 (en) 1999-11-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SCHOFIELD TECHNOLOGIES LLC, WILMINGTON, DEL., US