ATE323985T1 - Optisches wdm ringnetzwerk zur durch lokale zustandsschaltung gesicherten signalübertragung bei erfassung einer lokalen unterbrechung - Google Patents

Optisches wdm ringnetzwerk zur durch lokale zustandsschaltung gesicherten signalübertragung bei erfassung einer lokalen unterbrechung

Info

Publication number
ATE323985T1
ATE323985T1 AT04291369T AT04291369T ATE323985T1 AT E323985 T1 ATE323985 T1 AT E323985T1 AT 04291369 T AT04291369 T AT 04291369T AT 04291369 T AT04291369 T AT 04291369T AT E323985 T1 ATE323985 T1 AT E323985T1
Authority
AT
Austria
Prior art keywords
local
signals
detected
wavelength
signal transmission
Prior art date
Application number
AT04291369T
Other languages
English (en)
Inventor
Stephane Lovisa
Fabio Tassara
Francesco Schiavoni
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE323985T1 publication Critical patent/ATE323985T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0287Protection in WDM systems
    • H04J14/0293Optical channel protection
    • H04J14/0295Shared protection at the optical channel (1:1, n:m)
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0278WDM optical network architectures
    • H04J14/0283WDM ring architectures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0287Protection in WDM systems
    • H04J14/0289Optical multiplex section protection
    • H04J14/0291Shared protection at the optical multiplex section (1:1, n:m)
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
AT04291369T 2003-06-30 2004-06-01 Optisches wdm ringnetzwerk zur durch lokale zustandsschaltung gesicherten signalübertragung bei erfassung einer lokalen unterbrechung ATE323985T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0307883A FR2856861B1 (fr) 2003-06-30 2003-06-30 Reseau optique en anneau a multiplexage de longueurs d'onde et a transmission de signaux protegee par commutation locale d'etat consecutive a une detection locales d'interruption

Publications (1)

Publication Number Publication Date
ATE323985T1 true ATE323985T1 (de) 2006-05-15

Family

ID=33427635

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04291369T ATE323985T1 (de) 2003-06-30 2004-06-01 Optisches wdm ringnetzwerk zur durch lokale zustandsschaltung gesicherten signalübertragung bei erfassung einer lokalen unterbrechung

Country Status (5)

Country Link
US (1) US7805072B2 (de)
EP (1) EP1494383B1 (de)
AT (1) ATE323985T1 (de)
DE (1) DE602004000672T2 (de)
FR (1) FR2856861B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2856861B1 (fr) * 2003-06-30 2007-01-19 Cit Alcatel Reseau optique en anneau a multiplexage de longueurs d'onde et a transmission de signaux protegee par commutation locale d'etat consecutive a une detection locales d'interruption
US7751705B2 (en) * 2005-02-24 2010-07-06 Tellabs Operations, Inc. Optical channel intelligently shared protection ring
EP1804407B1 (de) * 2005-12-28 2009-02-11 Alcatel Lucent Accessknoten für optisches Ringnetzwerk
US8861952B2 (en) * 2007-02-28 2014-10-14 Finisar Corporation Redundancy and interoperability in multi-channel optoelectronic devices
WO2008134750A2 (en) * 2007-04-30 2008-11-06 Finisar Corporation Eye safety and interoperability of active cable devices
US8275262B2 (en) 2008-11-10 2012-09-25 At&T Intellectual Property I, L.P. Methods and apparatus to deploy fiber optic based access networks
CN101931554B (zh) * 2010-07-14 2012-11-07 南京泰通电子科技有限公司 一种多路数模信号变波长光传输装置及其工作方法
US8850262B2 (en) * 2010-10-12 2014-09-30 International Business Machines Corporation Inter-processor failure detection and recovery

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003531A (en) * 1989-08-11 1991-03-26 Infotron Systems Corporation Survivable network using reverse protection ring
JP2570016B2 (ja) * 1991-08-29 1997-01-08 富士通株式会社 光伝送装置のパススイッチ切替方式
US5442623A (en) * 1992-08-17 1995-08-15 Bell Communications Research, Inc. Passive protected self healing ring network
IT1267645B1 (it) * 1994-12-09 1997-02-07 Cselt Centro Studi Lab Telecom Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.
AU6322696A (en) * 1995-06-26 1997-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Self-healing network
JP3479926B2 (ja) * 1996-03-06 2003-12-15 富士通株式会社 Adm装置
EP0876018A3 (de) * 1997-02-21 2004-05-26 Siemens Aktiengesellschaft Verfahren und Anordnung zur Datanübertragung in einem Ringnetz
JP3102379B2 (ja) * 1997-04-30 2000-10-23 日本電気株式会社 波長多重光伝送システム用監視制御方式
DE19731494C2 (de) * 1997-07-22 1999-05-27 Siemens Ag Verfahren und Anordnung zur Datenübertragung im Wellenlängenmultiplexverfahren in einem optischen Ringnetz
US6069719A (en) * 1997-07-30 2000-05-30 Ciena Corporation Dynamically reconfigurable optical add-drop multiplexers for WDM optical communication systems
US6404525B1 (en) * 1997-07-31 2002-06-11 Nec Corporation Optical add-drop multiplexer
CA2254606C (en) * 1997-11-28 2003-06-17 Nec Corporation Ring network for sharing protection resource by working communication paths
US6400476B1 (en) * 1997-12-31 2002-06-04 Cisco Photonics Italy S.R.L. Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
JP3639109B2 (ja) * 1998-04-02 2005-04-20 富士通株式会社 光伝送装置、光伝送システム及び光端局
US6414771B2 (en) * 1998-04-27 2002-07-02 Lucent Technologies Inc. Optical transmission system including optical restoration
US6233074B1 (en) * 1998-05-18 2001-05-15 3Com Corporation Ring networks utilizing wave division multiplexing
US5959749A (en) * 1998-05-20 1999-09-28 Nortel Networks Corporation Optical add/drop multiplexer/demultiplexer
DE19828973A1 (de) * 1998-06-29 1999-12-30 Siemens Ag Optisches 2-Faser-Ringnetz
EP1110343A1 (de) * 1998-08-31 2001-06-27 Siemens Aktiengesellschaft Wdm ringnetz
US6249510B1 (en) * 1998-09-10 2001-06-19 Lucent Technologies Inc. Signal protection system for bi-direction ring network
US7003189B1 (en) * 1998-12-07 2006-02-21 Sprint Communications Company L.P. Optical fiber protection switch
US6504963B1 (en) * 1998-12-07 2003-01-07 Sprint Communications Company L.P. Optical fiber protection switch
US6477288B1 (en) * 1999-03-15 2002-11-05 The Furukawa Electric Co., Ltd. Optical line switching system
JP2002540700A (ja) * 1999-03-25 2002-11-26 クロマティス ネットワークス,インコーポレイテッド ネットワークにおける障害保護
US6807190B1 (en) * 1999-05-25 2004-10-19 Lucent Technologies Inc. Survivable distribution of broadcast signals in loopback rings
US6947670B1 (en) * 1999-06-30 2005-09-20 Lucent Technologies Inc. Optical add/drop arrangement for ring networks employing wavelength division multiplexing
US6973267B1 (en) * 1999-07-01 2005-12-06 Cisco Technology, Inc. Autoprotected optical communication ring network
US6718139B1 (en) * 1999-09-13 2004-04-06 Ciena Corporation Optical fiber ring communication system
US6579018B1 (en) * 1999-12-16 2003-06-17 Corning Incorporated Four-fiber ring optical cross connect system using 4×4 switch matrices
US6414765B1 (en) * 2000-03-07 2002-07-02 Corning, Inc. Protection switch in a two-fiber optical channel shared protection ring
JP2001268011A (ja) * 2000-03-21 2001-09-28 Fujitsu Ltd 光ノードシステム、及び、スイッチの接続方法
KR100342517B1 (ko) * 2000-10-04 2002-06-28 윤종용 중간단소자를 공유하는 파장교대방식 양방향 애드/드롭다중화기 및 광증폭기 모듈
WO2001089127A2 (en) * 2000-05-15 2001-11-22 Corning Incorporated Optical networking devices and methods for optical networks with increased transparency
AU2001263235A1 (en) * 2000-05-19 2001-12-03 Corning Incorporated Optical channel shared protection ring
EP1161014A1 (de) * 2000-05-31 2001-12-05 PIRELLI CAVI E SISTEMI S.p.A. Selbstschützendes optisches Nachrichtenübertragungs-Ringnetzwerk
US6721509B2 (en) * 2000-12-05 2004-04-13 Avanex Corporation Self-adjusting optical add-drop multiplexer and optical networks using same
US20030025956A1 (en) * 2001-03-20 2003-02-06 Corning, Inc. Protected DWDM ring networks using wavelength selected switches
US6771852B2 (en) * 2001-04-06 2004-08-03 Corning Incorporated Two-fiber optical shared protection ring with a bi-directional 4×4 optical switch fabric
US7161898B1 (en) * 2001-05-15 2007-01-09 Alcatel Common protection architecture for optical network
EP1456981B1 (de) * 2001-12-18 2008-03-05 Transmode Holding AB Geschütztes bidirektionales wdm-netzwerk
JP3693020B2 (ja) * 2002-01-22 2005-09-07 日本電気株式会社 波長分割多重光伝送装置及びその装置を用いた通信システム
US6904542B2 (en) * 2002-03-11 2005-06-07 Ciena Corporation System for group-based distributed protection switching
US7283740B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
KR100498931B1 (ko) * 2002-12-06 2005-07-04 삼성전자주식회사 양방향 파장분할다중방식 자기치유 광통신망
KR100487215B1 (ko) * 2003-01-03 2005-05-04 삼성전자주식회사 파장분할다중방식 자기치유 환형 광통신망
US8909038B2 (en) * 2003-01-07 2014-12-09 Alcatel Lucent Method and apparatus providing transient control in optical add-drop nodes
US7421197B2 (en) * 2003-01-21 2008-09-02 Fujitsu Limited Optical network protection switching architecture
EP1453234A3 (de) * 2003-02-27 2006-05-17 ECI Telecom Ltd. Vorrichtung und Verfahren zur optischen Kommunikation
US7420922B2 (en) * 2003-03-12 2008-09-02 Corrigent Systems Ltd Ring network with variable rate
FR2856861B1 (fr) * 2003-06-30 2007-01-19 Cit Alcatel Reseau optique en anneau a multiplexage de longueurs d'onde et a transmission de signaux protegee par commutation locale d'etat consecutive a une detection locales d'interruption
WO2009012409A2 (en) * 2007-07-17 2009-01-22 Opvista Incorporated Optical ring networks having node-to-node optical communication channels for carrying data traffic

Also Published As

Publication number Publication date
US7805072B2 (en) 2010-09-28
FR2856861B1 (fr) 2007-01-19
EP1494383B1 (de) 2006-04-19
DE602004000672T2 (de) 2007-05-10
DE602004000672D1 (de) 2006-05-24
US20040264966A1 (en) 2004-12-30
EP1494383A1 (de) 2005-01-05
FR2856861A1 (fr) 2004-12-31

Similar Documents

Publication Publication Date Title
KR101410158B1 (ko) 신호 전송 시스템, 방법 및 관련 장치
US6198721B1 (en) Method and system for data transmission in a ring network
KR20050005207A (ko) 자기 치유 파장분할다중방식 수동형 광 가입자망
DE60118608D1 (de) Netzwerk-sender/empfänger zur erweiterung der bandbreite einer auf faseroptik basierenden netzwerkinfrastruktur
EP0847158A3 (de) Vorrichtung zum optischen Wellenlängen-Multiplexen und Demultiplexen und optisches Nachrichtenübertragungssystem, das diese verwendet
SE9802071L (sv) ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder
KR100605899B1 (ko) 파장 주입 방식을 사용한 파장분할 다중방식 자기치유수동형 광가입자망
DE602006008041D1 (de) Offenfasersteuerung und lichtverlustausbreitung in einer zeitlich gemultiplexten zwischensystemverbindung
EP3329615B1 (de) Vorrichtung zum schutz einer optischen verbindung
US6898376B1 (en) Optical ring protection apparatus and methods
SE9701834D0 (sv) An add and drop node for optical communication systems
SE503715C2 (sv) Optisk nod i ett optiskt bussnät
ATE323985T1 (de) Optisches wdm ringnetzwerk zur durch lokale zustandsschaltung gesicherten signalübertragung bei erfassung einer lokalen unterbrechung
EP1043847A4 (de) Optische wdm übertragungsnetzwerkvorrichtung mit sendeempfänger und 2-eingang/2-ausgang optischem wegschalter
RU2008127908A (ru) Способ, устройство и система для коллективной защиты группы оптических каналов
CA2394163C (en) Optical ring protection apparatus and methods
JP3039430B2 (ja) 光分岐挿入回路及び光伝送方法
KR20000044538A (ko) 파장 분할 다중화 시스템에서 4선식 양방향선로 절체링 망
JP2004513534A (ja) 光分岐挿入装置における光チャネルスイッチングのための方法及び装置
CN1754339B (zh) 用于通过光学数据网传输工作信号和保护信号的方法和装置
Ghelfi et al. Optical cross connects architecture with per-node add&drop functionality
JP5200812B2 (ja) 光送信装置、光受信装置及び波長多重光伝送システム
JP2009088606A (ja) 光分岐システムおよび光分岐方法
KR20130017821A (ko) 파장분할다중화 방식의 단심 환형망에서의 보호복구 절체 장치
KR100545887B1 (ko) 양방향 파장분할 다중방식 자기치유 수동형 광가입자망

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties