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ATE322772T1 - Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten - Google Patents

Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten

Info

Publication number
ATE322772T1
ATE322772T1 AT99930086T AT99930086T ATE322772T1 AT E322772 T1 ATE322772 T1 AT E322772T1 AT 99930086 T AT99930086 T AT 99930086T AT 99930086 T AT99930086 T AT 99930086T AT E322772 T1 ATE322772 T1 AT E322772T1
Authority
AT
Austria
Prior art keywords
node
switches
coupler
nodes
add
Prior art date
Application number
AT99930086T
Other languages
English (en)
Inventor
Lars Egnell
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 filed Critical
Application granted granted Critical
Publication of ATE322772T1 publication Critical patent/ATE322772T1/de

Links

Classifications

    • 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
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/275—Ring-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0213—Groups of channels or wave bands arrangements
    • 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
    • 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
    • H04Q2011/0083—Testing; Monitoring
    • 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
    • H04Q2011/009—Topology aspects
    • H04Q2011/0092—Ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
AT99930086T 1998-06-10 1999-06-08 Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten ATE322772T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802071A SE520876C2 (sv) 1998-06-10 1998-06-10 ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder

Publications (1)

Publication Number Publication Date
ATE322772T1 true ATE322772T1 (de) 2006-04-15

Family

ID=20411656

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99930086T ATE322772T1 (de) 1998-06-10 1999-06-08 Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten

Country Status (7)

Country Link
US (1) US6525852B1 (de)
EP (1) EP1088410B1 (de)
AT (1) ATE322772T1 (de)
AU (1) AU4669599A (de)
DE (1) DE69930742D1 (de)
SE (1) SE520876C2 (de)
WO (1) WO1999065165A1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6721508B1 (en) * 1998-12-14 2004-04-13 Tellabs Operations Inc. Optical line terminal arrangement, apparatus and methods
DE69939017D1 (de) * 1999-09-22 2008-08-14 Lucent Technologies Inc Optisches Netzwerk mit Leistungsteilern
SE9903521L (sv) 1999-09-27 2001-03-28 Queyton Systems Ab Anslutning av en ADD/DROP-NOD
EP1143646A1 (de) 2000-04-05 2001-10-10 Telefonaktiebolaget Lm Ericsson Optisches Kommunikationssystem mit zwei parallelen Übertragungswegen
US7120359B2 (en) * 2000-05-22 2006-10-10 Opvista Incorporated Broadcast and select all optical network
US6885822B1 (en) * 2000-06-06 2005-04-26 Ciena Corporation Wavelength and filter arrangement for WDM networks
US6731830B2 (en) 2001-01-05 2004-05-04 Redfern Broadband Networks, Inc. Asymmetric compatible network element
EP1356613B1 (de) * 2001-01-31 2005-10-05 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung zur übertragung in einem optischen netzwerk
US20020105692A1 (en) * 2001-02-07 2002-08-08 Richard Lauder Hierarchical WDM in client-server architecture
US20020105696A1 (en) * 2001-02-07 2002-08-08 Ross Halgren Transparent optical-electronic-optical switch
FR2821504B1 (fr) * 2001-02-23 2005-12-09 Cit Alcatel Dispositif d'extraction de frequence
US20020186430A1 (en) * 2001-06-12 2002-12-12 Ross Halgren Communications network
US20030147356A1 (en) * 2002-02-07 2003-08-07 Jan Vandenhoudt High speed healing ring for optical transport networks
US7283739B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Multiple subnets in an optical ring network and method
US7184663B2 (en) * 2002-05-29 2007-02-27 Fujitsu Limited Optical ring network with hub node and method
US7283740B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
US7321729B2 (en) * 2003-05-29 2008-01-22 Fujitsu Limited Optical ring network with selective signal regeneration and wavelength conversion
US7483637B2 (en) * 2003-11-26 2009-01-27 Fujitsu Limited Optical ring network with optical subnets and method
US7116860B1 (en) 2003-12-05 2006-10-03 Cisco Technology, Inc. Coupler add/drop node WDM network architecture with periodic cleanup
US20050175346A1 (en) * 2004-02-10 2005-08-11 Fujitsu Limited Upgraded flexible open ring optical network and method
WO2006002080A2 (en) * 2004-06-15 2006-01-05 Opvista Incorporated Optical communication using duobinary modulation
US20050286896A1 (en) * 2004-06-29 2005-12-29 Fujitsu Limited Hybrid optical ring network
WO2006005191A1 (en) * 2004-07-15 2006-01-19 Metconnex Canada Inc. Modular wavelength selective switch
WO2006030524A1 (ja) * 2004-09-17 2006-03-23 Fujitsu Limited 光挿入分岐装置
US7120360B2 (en) * 2005-01-06 2006-10-10 Fujitsu Limited System and method for protecting traffic in a hubbed optical ring network
US7469103B2 (en) * 2005-04-08 2008-12-23 Cisco Technology, Inc. Add/drop multiplexer for OTN/DWDM rings utilizing a pair of muxponders
US20060275035A1 (en) * 2005-05-02 2006-12-07 Way Winston I Multiple interconnected broadcast and select optical ring networks with revertible protection switch
US8428461B2 (en) * 2005-06-22 2013-04-23 Tellabs Operations, Inc. Apparatus for managing an optical signal
US8190027B2 (en) * 2006-07-12 2012-05-29 Tellabs Operations, Inc. Multifunctional and reconfigurable optical node and optical network
US8139476B2 (en) * 2005-10-13 2012-03-20 Vello Systems, Inc. Optical ring networks using circulating optical probe in protection switching with automatic reversion
US8023825B2 (en) 2006-04-04 2011-09-20 Cisco Technology, Inc. Optical switching architectures for nodes in WDM mesh and ring networks
US7773883B1 (en) 2007-05-04 2010-08-10 Vello Systems, Inc. Single-fiber optical ring networks based on optical double sideband modulation
CN102549953B (zh) * 2009-07-31 2014-12-17 泰科电子海底通信有限责任公司 混合光加入-分出复用网络及其波长分配
CN101645750B (zh) * 2009-09-02 2013-09-11 中兴通讯股份有限公司 分布式电交叉装置实现snc级联保护的系统和方法
US9054832B2 (en) 2009-12-08 2015-06-09 Treq Labs, Inc. Management, monitoring and performance optimization of optical networks
EP2685652A1 (de) * 2012-07-13 2014-01-15 Nokia Solutions and Networks Oy Flexible und ökonomische Metro-/Access-Ring-Architektur
US10036396B2 (en) 2013-03-08 2018-07-31 Coriant Operations, Inc. Field configurable fan operational profiles
US9819436B2 (en) 2013-08-26 2017-11-14 Coriant Operations, Inc. Intranodal ROADM fiber management apparatuses, systems, and methods
KR20150054232A (ko) * 2013-11-11 2015-05-20 한국전자통신연구원 멀티캐스팅 링 네트워크 노드에서 필터를 사용한 광 신호 제어 및 광 다중부에서 보호 절체 방법 및 장치

Family Cites Families (10)

* 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
US5442623A (en) * 1992-08-17 1995-08-15 Bell Communications Research, Inc. Passive protected self healing ring network
JPH07264228A (ja) * 1994-03-17 1995-10-13 Fujitsu Ltd パスａｉｓ発生機能を備えるｂｌｓｒネットワーク
SE9501075L (sv) * 1995-03-27 1996-08-12 Ericsson Telefon Ab L M Optisk nod i ett optiskt bussnät
AU6322696A (en) * 1995-06-26 1997-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Self-healing network
IT1277204B1 (it) * 1995-10-19 1997-11-05 Pirelli S P A Ora Pirelli Cavi Rete di comunicazione ottica trasparente ad anello autoprotetto
JPH10112700A (ja) * 1996-10-04 1998-04-28 Nec Corp リング構成の波長分割多重光伝送装置
SE519255C2 (sv) * 1997-04-30 2003-02-04 Ericsson Telefon Ab L M ADD/Drop-nod för WDM med låg förlust
US6075629A (en) * 1998-01-27 2000-06-13 Lucent Technologies Inc. Optical protection switch employing an interference filter
SE520943C2 (sv) * 1998-06-10 2003-09-16 Ericsson Telefon Ab L M Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ

Also Published As

Publication number Publication date
WO1999065165A1 (en) 1999-12-16
SE520876C2 (sv) 2003-09-09
SE9802071D0 (sv) 1998-06-10
DE69930742D1 (de) 2006-05-18
EP1088410B1 (de) 2006-04-05
SE9802071L (sv) 2000-02-10
US6525852B1 (en) 2003-02-25
EP1088410A1 (de) 2001-04-04
AU4669599A (en) 1999-12-30

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