SE9802071L - 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 noderInfo
- Publication number
- SE9802071L SE9802071L SE9802071A SE9802071A SE9802071L SE 9802071 L SE9802071 L SE 9802071L SE 9802071 A SE9802071 A SE 9802071A SE 9802071 A SE9802071 A SE 9802071A SE 9802071 L SE9802071 L SE 9802071L
- Authority
- SE
- Sweden
- Prior art keywords
- node
- add
- switches
- coupler
- drop
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
- 239000000835 fiber Substances 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 230000001902 propagating effect Effects 0.000 abstract 1
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)
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 (en) | 1998-06-10 | 1999-06-08 | An add and drop node for an optical wdm network having traffic only between adjacent nodes |
PCT/SE1999/000994 WO1999065165A1 (en) | 1998-06-10 | 1999-06-08 | An add and drop node for an optical wdm network having traffic only between adjacent nodes |
AT99930086T ATE322772T1 (de) | 1998-06-10 | 1999-06-08 | Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten |
DE69930742T DE69930742D1 (de) | 1998-06-10 | 1999-06-08 | Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten |
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 true SE9802071L (sv) | 2000-02-10 |
SE520876C2 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 (sv) |
EP (1) | EP1088410B1 (sv) |
AT (1) | ATE322772T1 (sv) |
AU (1) | AU4669599A (sv) |
DE (1) | DE69930742D1 (sv) |
SE (1) | SE520876C2 (sv) |
WO (1) | WO1999065165A1 (sv) |
Families Citing this family (39)
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 |
EP1087556B1 (en) * | 1999-09-22 | 2008-07-02 | Lucent Technologies Inc. | Optical network with power splitters |
SE9903521L (sv) | 1999-09-27 | 2001-03-28 | Queyton Systems Ab | Anslutning av en ADD/DROP-NOD |
EP1143646A1 (en) * | 2000-04-05 | 2001-10-10 | Telefonaktiebolaget Lm Ericsson | Optical communication system with two parallel transmission paths |
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 (en) * | 2001-01-31 | 2005-10-05 | Telefonaktiebolaget LM Ericsson (publ) | A method and system for transmission in an optical network |
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 |
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 |
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 |
US20060013587A1 (en) * | 2004-07-15 | 2006-01-19 | Scott Kenneth G | 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 |
EP1882319A2 (en) * | 2005-05-02 | 2008-01-30 | Opvista, Incorporated | 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 |
EP1949119A4 (en) * | 2005-10-13 | 2017-01-18 | 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 |
JP5602229B2 (ja) * | 2009-07-31 | 2014-10-08 | タイコ エレクトロニクス サブシー コミュニケーションズ エルエルシー | 複合型光アド−ドロップ多重ネットワークおよびそのための波長割り当て |
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 |
US20110135301A1 (en) | 2009-12-08 | 2011-06-09 | Vello Systems, Inc. | Wavelocker for Improving Laser Wavelength Accuracy in WDM Networks |
EP2685652A1 (en) * | 2012-07-13 | 2014-01-15 | Nokia Solutions and Networks Oy | Flexible and economic Metro / Access Ring architecture |
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)
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 |
SE503715C2 (sv) * | 1995-03-27 | 1996-08-12 | Ericsson Telefon Ab L M | Optisk nod i ett optiskt bussnät |
BR9608792A (pt) * | 1995-06-26 | 1999-02-17 | Ericsson Telefon Ab L M | Nó de comunicação e de multiplexador ótico de soma/redução sistema de rede de comunicação e processo para restauração de um sistema de rede de comunicação |
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 |
-
1998
- 1998-06-10 SE SE9802071A patent/SE520876C2/sv not_active IP Right Cessation
-
1999
- 1999-06-08 EP EP99930086A patent/EP1088410B1/en not_active Expired - Lifetime
- 1999-06-08 AU AU46695/99A patent/AU4669599A/en not_active Abandoned
- 1999-06-08 DE DE69930742T patent/DE69930742D1/de not_active Expired - Lifetime
- 1999-06-08 AT AT99930086T patent/ATE322772T1/de not_active IP Right Cessation
- 1999-06-08 WO PCT/SE1999/000994 patent/WO1999065165A1/en active IP Right Grant
- 1999-06-09 US US09/328,383 patent/US6525852B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE520876C2 (sv) | 2003-09-09 |
SE9802071D0 (sv) | 1998-06-10 |
US6525852B1 (en) | 2003-02-25 |
DE69930742D1 (de) | 2006-05-18 |
EP1088410B1 (en) | 2006-04-05 |
EP1088410A1 (en) | 2001-04-04 |
AU4669599A (en) | 1999-12-30 |
ATE322772T1 (de) | 2006-04-15 |
WO1999065165A1 (en) | 1999-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed | ||
NUG | Patent has lapsed |