SE520876C2 - ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder - Google Patents

ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder

Info

Publication number
SE520876C2
SE520876C2 SE9802071A SE9802071A SE520876C2 SE 520876 C2 SE520876 C2 SE 520876C2 SE 9802071 A SE9802071 A SE 9802071A SE 9802071 A SE9802071 A SE 9802071A SE 520876 C2 SE520876 C2 SE 520876C2
Authority
SE
Sweden
Prior art keywords
node
network
add
receivers
transmitters
Prior art date
Application number
SE9802071A
Other languages
English (en)
Swedish (sv)
Other versions
SE9802071L (sv
SE9802071D0 (sv
Inventor
Lars Egnell
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9802071A priority Critical patent/SE520876C2/sv
Publication of SE9802071D0 publication Critical patent/SE9802071D0/xx
Priority to EP99930086A priority patent/EP1088410B1/fr
Priority to DE69930742T priority patent/DE69930742D1/de
Priority to AT99930086T priority patent/ATE322772T1/de
Priority to PCT/SE1999/000994 priority patent/WO1999065165A1/fr
Priority to AU46695/99A priority patent/AU4669599A/en
Priority to US09/328,383 priority patent/US6525852B1/en
Publication of SE9802071L publication Critical patent/SE9802071L/xx
Publication of SE520876C2 publication Critical patent/SE520876C2/sv

Links

Classifications

    • 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
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27Arrangements for networking
    • H04B10/275Ring-type networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/0204Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/0205Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/021Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/0213Groups of channels or wave bands arrangements
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0079Operation or maintenance aspects
    • H04Q2011/0083Testing; Monitoring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/009Topology aspects
    • H04Q2011/0092Ring

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

Priority Applications (7)

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
EP99930086A EP1088410B1 (fr) 1998-06-10 1999-06-08 Noeud d'adjonction et d'insertion destine a un reseau mrl optique ayant un trafic uniquement entre les noeuds voisins
DE69930742T DE69930742D1 (de) 1998-06-10 1999-06-08 Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten
AT99930086T ATE322772T1 (de) 1998-06-10 1999-06-08 Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten
PCT/SE1999/000994 WO1999065165A1 (fr) 1998-06-10 1999-06-08 Noeud d'adjonction et d'insertion destine a un reseau mrl optique ayant un trafic uniquement entre les noeuds voisins
AU46695/99A AU4669599A (en) 1998-06-10 1999-06-08 An add and drop node for an optical wdm network having traffic only between adjacent nodes
US09/328,383 US6525852B1 (en) 1998-06-10 1999-06-09 Add and drop node for an optical WDM network having traffic only between adjacent nodes

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 (3)

Publication Number Publication Date
SE9802071D0 SE9802071D0 (sv) 1998-06-10
SE9802071L SE9802071L (sv) 2000-02-10
SE520876C2 true SE520876C2 (sv) 2003-09-09

Family

ID=20411656

Family Applications (1)

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

Country Status (7)

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

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 (fr) * 2000-04-05 2001-10-10 Telefonaktiebolaget Lm Ericsson Système de communication optique avec deux voies de transmission parallèles
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
ATE306153T1 (de) * 2001-01-31 2005-10-15 Verfahren und anordnung zur übertragung in einem optischen netzwerk
US20020105696A1 (en) * 2001-02-07 2002-08-08 Ross Halgren Transparent optical-electronic-optical switch
US20020105692A1 (en) * 2001-02-07 2002-08-08 Richard Lauder Hierarchical WDM in client-server architecture
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
US7283740B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
US7184663B2 (en) * 2002-05-29 2007-02-27 Fujitsu Limited Optical ring network with hub node 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
US7577367B2 (en) * 2004-06-15 2009-08-18 Op Vista Incorporated Optical communication using duobinary modulation
US20050286896A1 (en) * 2004-06-29 2005-12-29 Fujitsu Limited Hybrid optical ring network
WO2006005191A1 (fr) * 2004-07-15 2006-01-19 Metconnex Canada Inc. Commutateur selectif en longueur d'onde modulaire
WO2006030524A1 (fr) * 2004-09-17 2006-03-23 Fujitsu Limited Dispositif d’insertion/extraction de lumiere
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
US8190027B2 (en) * 2006-07-12 2012-05-29 Tellabs Operations, Inc. Multifunctional and reconfigurable optical node and optical network
US8428461B2 (en) * 2005-06-22 2013-04-23 Tellabs Operations, Inc. Apparatus for managing an optical signal
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
US8483564B2 (en) * 2009-07-31 2013-07-09 Tyco Electronics Subsea Communications Llc Hybrid optical add-drop multiplexing network and wavelength allocation for the same
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
US9485050B2 (en) 2009-12-08 2016-11-01 Treq Labs, Inc. Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks
EP2685652A1 (fr) * 2012-07-13 2014-01-15 Nokia Solutions and Networks Oy Architecture en anneau d'accès/métro économique et flexible
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
JPH11508427A (ja) * 1995-06-26 1999-07-21 テレフオンアクチーボラゲツト エル エム エリクソン(パブル) 自己回復網
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
US6525852B1 (en) 2003-02-25
EP1088410B1 (fr) 2006-04-05
WO1999065165A1 (fr) 1999-12-16
SE9802071L (sv) 2000-02-10
EP1088410A1 (fr) 2001-04-04
SE9802071D0 (sv) 1998-06-10
DE69930742D1 (de) 2006-05-18
AU4669599A (en) 1999-12-30
ATE322772T1 (de) 2006-04-15

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