ATE305678T1 - Verfahren zur geschützten übertragung in einem wdm-netzwerk - Google Patents

Verfahren zur geschützten übertragung in einem wdm-netzwerk

Info

Publication number
ATE305678T1
ATE305678T1 AT02291135T AT02291135T ATE305678T1 AT E305678 T1 ATE305678 T1 AT E305678T1 AT 02291135 T AT02291135 T AT 02291135T AT 02291135 T AT02291135 T AT 02291135T AT E305678 T1 ATE305678 T1 AT E305678T1
Authority
AT
Austria
Prior art keywords
signal
main line
line
emission
node
Prior art date
Application number
AT02291135T
Other languages
English (en)
Inventor
Stephane Lovisa
Francesco Schiavoni
Guy Balland
Emmanuel Rossi
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 ATE305678T1 publication Critical patent/ATE305678T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • 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
    • H04J14/0279—WDM point-to-point architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0088—Signalling aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Radio Relay Systems (AREA)
AT02291135T 2002-05-06 2002-05-06 Verfahren zur geschützten übertragung in einem wdm-netzwerk ATE305678T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02291135A EP1361688B1 (de) 2002-05-06 2002-05-06 Verfahren zur geschützten Übertragung in einem WDM-Netzwerk

Publications (1)

Publication Number Publication Date
ATE305678T1 true ATE305678T1 (de) 2005-10-15

Family

ID=29225740

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02291135T ATE305678T1 (de) 2002-05-06 2002-05-06 Verfahren zur geschützten übertragung in einem wdm-netzwerk

Country Status (7)

Country Link
US (1) US20050128939A1 (de)
EP (1) EP1361688B1 (de)
CN (1) CN1650558A (de)
AT (1) ATE305678T1 (de)
AU (1) AU2003246869A1 (de)
DE (1) DE60206362T2 (de)
WO (1) WO2003094400A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100568815C (zh) * 2006-02-28 2009-12-09 中兴通讯股份有限公司 一种单纤双向波分复用传输系统及其保护方法
CN100531355C (zh) * 2006-06-02 2009-08-19 鸿富锦精密工业（深圳）有限公司 视频信号传输模式自动选择方法
CN1968141B (zh) * 2006-08-09 2010-05-12 华为技术有限公司 一种wdm传输系统的保护方法与装置
EP2541804A1 (de) * 2011-06-28 2013-01-02 Nokia Siemens Networks Oy Verfahren und Vorrichtung zum Schutz des Verkehrs in einem optischen Netzwerk

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234253A (en) * 1979-04-26 1980-11-18 Mcdonnell Douglas Corporation Attenuation measuring system
US4393493A (en) * 1980-11-10 1983-07-12 International Telephone And Telegraph Corporation Automatic protection apparatus for span lines employed in high speed digital systems
US4812641A (en) * 1987-02-03 1989-03-14 General Electric Company High power optical fiber failure detection system
US5428471A (en) * 1992-07-30 1995-06-27 Alcatel Network Systems, Inc. Fail-safe automatic shut-down apparatus and method for high output power optical communications system
JP3285138B2 (ja) * 1997-10-20 2002-05-27 富士通株式会社 リングネットワークにおける伝送装置
KR100259043B1 (ko) * 1998-01-16 2000-06-15 윤종용 광전송시스템에서 자동 레이져 차단 방법
US6075629A (en) * 1998-01-27 2000-06-13 Lucent Technologies Inc. Optical protection switch employing an interference filter
JPH11225128A (ja) * 1998-02-05 1999-08-17 Fujitsu Ltd 同期通信網における端局、現用／予備切替機能のミスマッチ検出装置、及びその方法
US6477288B1 (en) * 1999-03-15 2002-11-05 The Furukawa Electric Co., Ltd. Optical line switching system
IL132726A (en) * 1999-11-03 2003-07-31 Eci Telecom Ltd Method and system for transmitting optical communication
JP3584965B2 (ja) * 1999-12-09 2004-11-04 日本電気株式会社 光ラインプロテクション方式
EP1113587A1 (de) * 1999-12-28 2001-07-04 Telefonaktiebolaget Lm Ericsson Schutz in gemischten optischen Wellenlängenmultiplexsystemen
JP2001339344A (ja) * 2000-05-29 2001-12-07 Hitachi Ltd 光信号切替装置
DE60133837D1 (de) * 2000-08-25 2008-06-12 Broadwing Corp Optische übertragungssysteme mit optischen schutzsystemen, vorrichtungen und verfahren
US6973229B1 (en) * 2001-02-28 2005-12-06 Lambda Opticalsystems Corporation Node architecture for modularized and reconfigurable optical networks, and methods and apparatus therefor

Also Published As

Publication number Publication date
DE60206362D1 (de) 2006-02-09
EP1361688B1 (de) 2005-09-28
US20050128939A1 (en) 2005-06-16
WO2003094400A1 (fr) 2003-11-13
EP1361688A1 (de) 2003-11-12
CN1650558A (zh) 2005-08-03
DE60206362T2 (de) 2006-06-22
AU2003246869A1 (en) 2003-11-17

Similar Documents

Publication Publication Date Title
US4727592A (en) Optical communication system
US5631757A (en) Full-duplex data communication system using different transmit and receive data symbol lengths
US8380078B2 (en) Methods and apparatus for optical networks
WO2002069540A3 (en) Method and system for a bi-directional path switched network
FR2818844B1 (fr) Procede de transmission de donnees entre au moins un emetteur et au moins un recepteur, emetteur, recepteur et systeme de transmission correspondants
DE60221606D1 (de) Verfahren zum steuern der Datenübertragung in einem Funkkommunikationssystem
ATE343879T1 (de) Diagnostische verfahren und systeme für mehrträgermodems
WO2002078239A3 (en) Method and apparatus for transmission line analysis
WO2004004194A3 (en) Link adaptation
US4885743A (en) Method and apparatus for detecting the collision of data packets
GB2421865B (en) Automatic power restoring method and optical communication system
EP1772983A4 (de) Optische vorrichtung zur multimode-übertragung
KR100421829B1 (ko) 데이터 전송방법
DE60335178D1 (de) Videokodierung und -übertragung
WO2004018960A3 (en) Otdr arrangement for detecting faults in an optical transmission system on a span by span basis
DE60305368D1 (de) Verfahren zur dynamischen Dateneinfügung in optischen Übertragungsnetzwerkknoten
US4888763A (en) Method and apparatus for detecting the collision of data packets utilizing a preassigned transceiver code in the preamble
ATE305678T1 (de) Verfahren zur geschützten übertragung in einem wdm-netzwerk
US20070242689A1 (en) System and method for remotely restoring inoperative data communications
WO2004019071A3 (en) Method and apparatus providing common optical line monitoring and service channel over wdm optical transmission system
WO2003073639A3 (en) Digital network
NO20072186L (no) Fremgangsmater, systemer og anordninger for dataoverforing i digitale stamnett
EP0473100A1 (de) Optisches Kommunikationsnetz
FI20055362L (fi) Automaatiotietoliikenneverkon synkronointimenetelmä
EP1309109A3 (de) Verfahren und Vorrichtung zur Überwachung einer optischen Übertragungsstrecke

Legal Events

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