DE69604587D1 - Knoten als ein-/ausfüge-multiplexer - Google Patents

Knoten als ein-/ausfüge-multiplexer

Info

Publication number
DE69604587D1
DE69604587D1 DE69604587T DE69604587T DE69604587D1 DE 69604587 D1 DE69604587 D1 DE 69604587D1 DE 69604587 T DE69604587 T DE 69604587T DE 69604587 T DE69604587 T DE 69604587T DE 69604587 D1 DE69604587 D1 DE 69604587D1
Authority
DE
Germany
Prior art keywords
insert
node
multiplexer
insert multiplexer
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69604587T
Other languages
English (en)
Other versions
DE69604587T2 (de
Inventor
Paolo Andreozzi
Stefano Merli
Renato Norbiato
Francesco Testa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69604587D1 publication Critical patent/DE69604587D1/de
Application granted granted Critical
Publication of DE69604587T2 publication Critical patent/DE69604587T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • 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
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04J14/0283—WDM ring architectures
    • 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
    • H04Q11/0071—Provisions for the electrical-optical layer interface
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0013—Construction using gating amplifiers
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0043—Fault tolerance
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0049—Crosstalk reduction; Noise; Power budget
    • 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
    • H04Q2011/0079—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
DE69604587T 1995-06-26 1996-06-20 Knoten als ein-/ausfüge-multiplexer Expired - Lifetime DE69604587T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9502311A SE506748C2 (sv) 1995-06-26 1995-06-26 Förfarande och anordning för att borttaga och addera kanaler i en optisk multiplexor
PCT/SE1996/000813 WO1997001897A1 (en) 1995-06-26 1996-06-20 Add/drop multiplexer node

Publications (2)

Publication Number Publication Date
DE69604587D1 true DE69604587D1 (de) 1999-11-11
DE69604587T2 DE69604587T2 (de) 2000-02-03

Family

ID=20398746

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69604587T Expired - Lifetime DE69604587T2 (de) 1995-06-26 1996-06-20 Knoten als ein-/ausfüge-multiplexer

Country Status (7)

Country Link
US (1) US6134036A (de)
EP (1) EP0835567B1 (de)
JP (1) JP3862280B2 (de)
AU (1) AU6322996A (de)
DE (1) DE69604587T2 (de)
SE (1) SE506748C2 (de)
WO (1) WO1997001897A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI112569B (fi) * 1997-05-13 2003-12-15 Nokia Corp Optinen add/drop-laite
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
US6301031B2 (en) * 1997-09-02 2001-10-09 Agere Systems Optoelectronics Guardian Corp. Method and apparatus for wavelength-channel tracking and alignment within an optical communications system
CA2254606C (en) * 1997-11-28 2003-06-17 Nec Corporation Ring network for sharing protection resource by working communication paths
JP3995781B2 (ja) * 1998-02-02 2007-10-24 富士通株式会社 波長選択フィルタを用いた光分岐・挿入装置及び光分岐装置
GB9809990D0 (en) * 1998-05-12 1998-07-08 Northern Telecom Ltd Integrated telecommunications line system and cross-connect
KR100400362B1 (ko) * 1998-08-04 2003-11-14 삼성전자주식회사 광결합및분리장치,그리고 이를구비한파장분할다중화광링크
SE516316C2 (sv) * 1999-03-18 2001-12-17 Cisco Systems Sweden Ab Mottagartransponder för skyddade nät
US6370294B1 (en) 1999-06-25 2002-04-09 Adc Telecommunications, Inc. Fiber optic circuit and module with switch
US20010046350A1 (en) * 2000-02-25 2001-11-29 Tedesco James M. Configurable Wavelength routing device
US6950611B2 (en) * 2000-03-08 2005-09-27 Fitel Usa Corp. In-line polarization monitoring and control in lightwave communication systems
US20010038473A1 (en) * 2000-03-10 2001-11-08 Ming-Jun Li Devices and methods for controlling protection switching in an optical channel shared protection ring
US6944401B2 (en) * 2000-04-24 2005-09-13 Lucent Technologies Inc. Gain equalization in DWDM networks
US6961524B1 (en) * 2000-09-22 2005-11-01 Nortel Networks Limited WDM channel equalization in add/drop-capable optical networks
JP3586659B2 (ja) * 2001-04-11 2004-11-10 日本電気通信システム株式会社 Ｏａｄｍシステム及びその波長数算出方法
US6307986B1 (en) * 2001-04-24 2001-10-23 Seneca Networks Protection switching in bidirectional WDM optical communication networks with transponders
US6907158B2 (en) * 2001-11-05 2005-06-14 Broadband Royalty Corporation Configurable optical add/drop multiplexer with partial or complete wavelength drop capability
US6907159B1 (en) * 2002-02-21 2005-06-14 Broadband Royalty Corporation Configurable optical add/drop multiplexer with enhanced add channel capacity
US7231148B2 (en) * 2002-03-28 2007-06-12 Fujitsu Limited Flexible open ring optical network and method
EP1349308A3 (de) * 2002-03-27 2006-09-06 Fujitsu Limited Flexibles offenes optisches Ringnetzwerk
US7289734B2 (en) * 2002-12-24 2007-10-30 Tropic Networks Inc. Method and system for multi-level power management in an optical network
KR100498955B1 (ko) * 2003-02-05 2005-07-04 삼성전자주식회사 파장분할다중방식 자기치유 환형 광통신망
IL163557A (en) * 2004-08-16 2010-05-31 Eci Telecom Ltd Method and system for hybrid protection in optical networks
US7450851B2 (en) * 2004-08-27 2008-11-11 Fujitsu Limited System and method for modularly scalable architecture for optical networks
GB2433662B (en) 2004-09-29 2009-04-08 Fujitsu Ltd Optical add/drop multiplexer and optical network system
JP4593267B2 (ja) * 2004-12-28 2010-12-08 富士通株式会社 光ノードおよび光分岐挿入装置
US20060188260A1 (en) * 2005-02-22 2006-08-24 Positron Networks Pni Inc. Robust service delivery node and method therefor
US8131150B2 (en) * 2006-06-07 2012-03-06 At&T Intellectual Property Ii, L.P. Tunable bidirectional multiplexer/demultiplexer for optical transmission system
JP2009231906A (ja) * 2008-03-19 2009-10-08 Nec Corp データ伝送システム、伝送装置、およびプロテクション制御方法
US9130691B2 (en) * 2013-02-25 2015-09-08 Verizon Patent And Licensing Inc. Optical burst switched network nodes
JP6476894B2 (ja) * 2015-01-20 2019-03-06 富士通株式会社 光増幅器アレイ、及びこれを用いた光伝送装置
JP6359988B2 (ja) * 2015-02-24 2018-07-18 ファナック株式会社 ノイズ検出装置

Family Cites Families (6)

* 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
JP2655287B2 (ja) * 1990-08-31 1997-09-17 ベル コミュニケーションズ リサーチ インコーポレーテッド ハイブリッド・リング回路
GB2253973B (en) * 1991-03-22 1995-06-07 Plessey Telecomm Multiplex data ring transmission
US5442623A (en) * 1992-08-17 1995-08-15 Bell Communications Research, Inc. Passive protected self healing ring network
US5617233A (en) * 1995-09-28 1997-04-01 The United States Of America As Represented By The Secretary Of The Air Force Transparent optical node structure
US5959749A (en) * 1998-05-20 1999-09-28 Nortel Networks Corporation Optical add/drop multiplexer/demultiplexer

Also Published As

Publication number Publication date
AU6322996A (en) 1997-01-30
SE9502311D0 (sv) 1995-06-26
EP0835567B1 (de) 1999-10-06
JP3862280B2 (ja) 2006-12-27
SE9502311L (sv) 1996-12-27
EP0835567A1 (de) 1998-04-15
JPH11508428A (ja) 1999-07-21
US6134036A (en) 2000-10-17
DE69604587T2 (de) 2000-02-03
SE506748C2 (sv) 1998-02-09
WO1997001897A1 (en) 1997-01-16

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