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DE60224500D1 - WDM-Überwachungssystem - Google Patents

WDM-Überwachungssystem

Info

Publication number
DE60224500D1
DE60224500D1 DE60224500T DE60224500T DE60224500D1 DE 60224500 D1 DE60224500 D1 DE 60224500D1 DE 60224500 T DE60224500 T DE 60224500T DE 60224500 T DE60224500 T DE 60224500T DE 60224500 D1 DE60224500 D1 DE 60224500D1
Authority
DE
Germany
Prior art keywords
monitoring system
wdm monitoring
wdm
monitoring
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
DE60224500T
Other languages
English (en)
Inventor
Junya Kurumida
Futoshi Izumi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60224500D1 publication Critical patent/DE60224500D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04J14/0206—Express channels arrangements
    • 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
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02212—Power control, e.g. to keep the total optical power constant by addition of a dummy signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H04J14/025—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU using one wavelength per ONU, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • 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
    • H04J14/028—WDM bus architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
DE60224500T 2002-04-01 2002-11-21 WDM-Überwachungssystem Expired - Lifetime DE60224500D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002099047A JP4495388B2 (ja) 2002-04-01 2002-04-01 波長多重伝送システムにおける信号伝送方法並びに波長多重伝送システムに使用される波長多重送信装置，光分岐／挿入装置及び伝送装置

Publications (1)

Publication Number Publication Date
DE60224500D1 true DE60224500D1 (de) 2008-02-21

Family

ID=28035898

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60224500T Expired - Lifetime DE60224500D1 (de) 2002-04-01 2002-11-21 WDM-Überwachungssystem

Country Status (4)

Country Link
US (1) US7139484B2 (de)
EP (2) EP1890411B1 (de)
JP (1) JP4495388B2 (de)
DE (1) DE60224500D1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7689131B2 (en) 2003-11-11 2010-03-30 Fujitsu Limited WDM system
US20050182639A1 (en) * 2004-02-18 2005-08-18 Fujitsu Limited Dynamic virtual organization manager
US7965732B2 (en) * 2004-03-19 2011-06-21 Fujitsu Limited Scheduling token-controlled data transmissions in communication networks
US7623543B2 (en) * 2004-03-19 2009-11-24 Fujitsu Limited Token-controlled data transmissions in communication networks
US7529267B2 (en) * 2004-03-19 2009-05-05 Fujitsu Limited Data transmissions in communication networks using multiple tokens
WO2005102014A2 (en) * 2004-04-23 2005-11-03 Red Sky Systems, Inc. Idler tone channel blocker for wdm system
US7634196B2 (en) * 2004-10-06 2009-12-15 Cisco Technology, Inc. Optical add/drop multiplexer with reconfigurable add wavelength selective switch
WO2006080051A1 (ja) * 2005-01-26 2006-08-03 Fujitsu Limited 光ネットワークの波長管理方法及び端末局及びセンタ局
US20060177225A1 (en) * 2005-02-04 2006-08-10 Cisco Technology, Inc. Sideband filtering of directly modulated lasers with feedback loops in optical networks
US20080063399A1 (en) * 2006-09-13 2008-03-13 Mallya Arvind R Methods and apparatus to implement communication networks using electrically conductive and optical communication media
US7826747B2 (en) * 2006-11-27 2010-11-02 Fujitsu Limited Optical burst transport using an electro-optic switch
US20080124081A1 (en) * 2006-11-27 2008-05-29 Takeo Hamada Predictive scheduling of data path control
US8634430B2 (en) * 2006-11-27 2014-01-21 Fujitsu Limited Multicast transmissions in optical burst transport
US7864747B2 (en) 2008-03-28 2011-01-04 Embarq Holdings Company, Llc System and method for communicating timing to a remote node
US7933285B2 (en) * 2008-10-24 2011-04-26 At&T Intellectual Property I, L.P. Distributed digital subscriber line access multiplexers to increase bandwidth in access networks
US8275262B2 (en) 2008-11-10 2012-09-25 At&T Intellectual Property I, L.P. Methods and apparatus to deploy fiber optic based access networks
KR101210593B1 (ko) * 2008-12-22 2012-12-11 한국전자통신연구원 파장 분할 다중화-시 분할 다중화 하이브리드 신호의 성능 측정 장치 및 방법, 신호 선택 장치
EP2427977A4 (de) * 2009-05-06 2012-12-26 Hewlett Packard Development Co Bus-based scalable optical fabrics
US20110026930A1 (en) 2009-07-29 2011-02-03 Zhi Cui Methods and apparatus to upgrade communication services in subscriber distribution areas
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
WO2011161891A1 (ja) * 2010-06-24 2011-12-29 三菱電機株式会社 Ｏａｄｍ装置
JP6070062B2 (ja) * 2012-10-26 2017-02-01 富士通株式会社 光送信システムおよび制御方法
IN2013MU01980A (de) * 2013-06-10 2015-05-29 Indian Inst Technology Bombay
US9960878B2 (en) * 2013-10-01 2018-05-01 Indian Institute Of Technology Bombay Scalable ultra dense hypergraph network for data centers
US10230483B2 (en) * 2015-03-18 2019-03-12 Nec Corporation Optical transmission system, method for analyzing thereof, terminal station device, and management device
EP3086497B1 (de) * 2015-04-24 2019-03-06 Alcatel Lucent Vorrichtung und verfahren für einen regenerativen netzwerkknoten zwischen einer ersten und einer zweiten verbindungsabschnitt
US9941991B2 (en) * 2016-08-29 2018-04-10 Huawei Technologies Co., Ltd. Method and system for controlling spectral occupancy
US10491324B2 (en) 2017-09-29 2019-11-26 Ciena Corporation Virtualized sections for sectional control of optical links
JP7000984B2 (ja) * 2018-05-10 2022-01-19 富士通株式会社 波長分割多重光信号のパワーを調整する装置および方法
US10903930B1 (en) * 2020-01-31 2021-01-26 Fujitsu Limited In-service defragmentation in optical networks using wavelength conversion
JP7761482B2 (ja) * 2021-12-27 2025-10-28 １Ｆｉｎｉｔｙ株式会社 光伝送装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3117018B2 (ja) * 1990-10-29 2000-12-11 株式会社日立製作所 ネットワーク装置
JP3262453B2 (ja) * 1994-05-13 2002-03-04 キヤノン株式会社 情報共有方法及び回線割当方法及びそれを用いた通信システム
JPH1032546A (ja) * 1996-07-18 1998-02-03 K D D Kaitei Cable Syst Kk 光伝送システム及び光分岐装置
JPH11122177A (ja) * 1997-10-17 1999-04-30 Fujitsu Ltd 監視制御信号送信装置及び方法
EP0964275A1 (de) * 1998-06-09 1999-12-15 PIRELLI CAVI E SISTEMI S.p.A. Verfahren und Vorrichtung zum Entnehmen von optische Kanälen in einem optischen Übertragungssystem
US6583901B1 (en) * 2000-02-23 2003-06-24 Henry Hung Optical communications system with dynamic channel allocation
WO2001082516A1 (en) * 2000-04-24 2001-11-01 Lucent Technologies Inc. Gain equalization in dwdm networks
CN1451211A (zh) 2000-08-15 2003-10-22 北方电信网络有限公司 光学交换路由器
US7092630B2 (en) * 2001-11-16 2006-08-15 Avago Technologies Fiber Ip(Singapore) Ptd. Ltd. Open fiber control for optical transceivers

Also Published As

Publication number Publication date
US7139484B2 (en) 2006-11-21
EP1890411A3 (de) 2008-06-11
EP1351423B1 (de) 2008-01-09
EP1890411A2 (de) 2008-02-20
JP4495388B2 (ja) 2010-07-07
EP1890411B1 (de) 2011-08-31
JP2003298531A (ja) 2003-10-17
EP1351423A2 (de) 2003-10-08
US20030185567A1 (en) 2003-10-02
EP1351423A3 (de) 2006-04-19

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Legal Events

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