ATE388539T1 - Geschütztes bidirektionales wdm-netzwerk - Google Patents

Geschütztes bidirektionales wdm-netzwerk

Info

Publication number
ATE388539T1
ATE388539T1 AT02793684T AT02793684T ATE388539T1 AT E388539 T1 ATE388539 T1 AT E388539T1 AT 02793684 T AT02793684 T AT 02793684T AT 02793684 T AT02793684 T AT 02793684T AT E388539 T1 ATE388539 T1 AT E388539T1
Authority
AT
Austria
Prior art keywords
node
signals
switch
segment
ring path
Prior art date
Application number
AT02793684T
Other languages
English (en)
Inventor
Magnus Oeberg
Ulf Persson
Original Assignee
Transmode Holding 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
Priority claimed from SE0104170A external-priority patent/SE524914C2/sv
Priority claimed from SE0202215A external-priority patent/SE525115C2/sv
Application filed by Transmode Holding Ab filed Critical Transmode Holding Ab
Application granted granted Critical
Publication of ATE388539T1 publication Critical patent/ATE388539T1/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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • 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
    • H04J14/0208—Interleaved 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
    • H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
    • 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
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0215—Architecture aspects
    • H04J14/0216—Bidirectional architectures
    • 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
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0295—Shared protection at the optical channel (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
    • H04J14/0284—WDM mesh architectures
    • 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
    • H04J14/0293—Optical channel protection
    • H04J14/0294—Dedicated protection at the optical channel (1+1)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Helmets And Other Head Coverings (AREA)
AT02793684T 2001-12-18 2002-12-18 Geschütztes bidirektionales wdm-netzwerk ATE388539T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34049301P 2001-12-18 2001-12-18
SE0104170A SE524914C2 (sv) 2001-12-18 2001-12-18 Skydd vid fiberbrott i dubbelriktade WDM-nät
SE0202215A SE525115C2 (sv) 2002-07-15 2002-07-15 Skyddat dubbelriktat WDM-nät

Publications (1)

Publication Number Publication Date
ATE388539T1 true ATE388539T1 (de) 2008-03-15

Family

ID=27354783

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02793684T ATE388539T1 (de) 2001-12-18 2002-12-18 Geschütztes bidirektionales wdm-netzwerk

Country Status (9)

Country Link
US (1) US7343093B2 (de)
EP (1) EP1456981B1 (de)
JP (1) JP4235559B2 (de)
CN (1) CN1620770A (de)
AT (1) ATE388539T1 (de)
AU (1) AU2002359170A1 (de)
CA (1) CA2470361C (de)
DE (1) DE60225470T2 (de)
WO (1) WO2003052978A1 (de)

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CA2440395C (en) * 2001-04-11 2014-10-07 Lumentis Ab Low loss wdm add drop node
US7076163B2 (en) * 2002-03-27 2006-07-11 Fujitsu Limited Method and system for testing during operation of an open ring optical network
JP4035714B2 (ja) * 2002-07-18 2008-01-23 日本電気株式会社 通信ノードおよびスイッチ装置
FR2856861B1 (fr) * 2003-06-30 2007-01-19 Cit Alcatel Reseau optique en anneau a multiplexage de longueurs d'onde et a transmission de signaux protegee par commutation locale d'etat consecutive a une detection locales d'interruption
US7805077B2 (en) * 2003-07-11 2010-09-28 Finisar Corporation Scalable and movable DWDM usage of CWDM networks
US7457543B2 (en) * 2003-08-01 2008-11-25 Finisar Corporation Add/drop module for single fiber wavelength division multiplexing systems
KR100569825B1 (ko) * 2003-08-07 2006-04-11 최준국 절체형 미디어 변환기와 그를 포함하는 상하향 동일파장의 링형 ｗｄｍ ｐｏｎ 시스템
KR100594095B1 (ko) * 2003-08-12 2006-07-03 삼성전자주식회사 양방향 파장분할 다중방식 애드/드롭 자기치유 허브형환형망
US20050180749A1 (en) * 2003-11-07 2005-08-18 Bikash Koley System and method for a resilient optical Ethernet networksupporting automatic protection switching
US20050180316A1 (en) * 2004-02-12 2005-08-18 Chan Frederick Y. Protection for bi-directional optical wavelength division multiplexed communications networks
US7646981B2 (en) * 2004-03-01 2010-01-12 Adc Telecommunications, Inc. WDM systems and methods
US20070297800A1 (en) * 2004-04-08 2007-12-27 Jun-Kook Choi Wavelength Division Multiplexing Passive Optical Network System
KR100594902B1 (ko) * 2004-04-27 2006-06-30 (주)싸이버트론 링 타입 광 전송 시스템
KR100606029B1 (ko) * 2004-06-15 2006-07-31 삼성전자주식회사 자기 감시를 위한 수동형 광 가입자 망
KR100584386B1 (ko) * 2004-07-30 2006-05-26 삼성전자주식회사 양방향 광 애드-드롭 다중화기
JPWO2006051616A1 (ja) * 2004-11-15 2008-05-29 株式会社メディアグローバルリンクス 双方向光通信システム
US20060115266A1 (en) * 2004-12-01 2006-06-01 Gil Levi All-optical protection signaling systems and methods in optical communication networks
US20060133804A1 (en) * 2004-12-17 2006-06-22 Tellabs Operations, Inc. Method and apparatus for protecting optical signals within a wavelength division multiplexed environment
JP2006186538A (ja) * 2004-12-27 2006-07-13 Mitsubishi Electric Corp 光伝送装置及び光伝送路切換方法
US20080212968A1 (en) * 2005-06-03 2008-09-04 The Commonwealth Of Australia Photonic Link With Improved Dynamic Range
JP2007324853A (ja) * 2006-05-31 2007-12-13 Oki Electric Ind Co Ltd 光通信システム
CN1968141B (zh) * 2006-08-09 2010-05-12 华为技术有限公司 一种wdm传输系统的保护方法与装置
US7957642B2 (en) * 2007-04-26 2011-06-07 Cisco Technology, Inc. Efficient and simple bit error rate calculation on optical transport layer
US7773883B1 (en) * 2007-05-04 2010-08-10 Vello Systems, Inc. Single-fiber optical ring networks based on optical double sideband modulation
JP5338400B2 (ja) * 2009-03-13 2013-11-13 日本電気株式会社 光伝送システム
CN101729182B (zh) * 2009-11-24 2014-01-01 中兴通讯股份有限公司 单纤双向环网保护方法、系统及装置
US9054832B2 (en) 2009-12-08 2015-06-09 Treq Labs, Inc. Management, monitoring and performance optimization of optical networks
EP2403170B1 (de) * 2010-06-29 2013-04-03 Alcatel Lucent Rekonfigurierbarer optischer Add/Drop-Wellenlängenmultiplexer für ein optisches Netzwerk unter Verwendung von Wellenlängenmultiplex
US9252912B2 (en) 2012-04-09 2016-02-02 Telefonaktiebolaget L M Ericsson (Publ) Method for routing and spectrum assignment
US9002194B2 (en) 2012-04-09 2015-04-07 Telefonaktiebolaget L M Ericsson (Publ) Optical-layer multipath protection for optical network
US8929738B2 (en) 2012-05-30 2015-01-06 Telefonaktiebolaget L M Ericsson (Publ) Resilience in an access subnetwork ring
US9112635B2 (en) * 2012-06-13 2015-08-18 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for a passive access subnetwork
EP2768173B1 (de) * 2013-02-14 2017-08-09 ADVA Optical Networking SE Geschütztes optisches Einzelfaser-WDM-System
MY183982A (en) * 2013-08-19 2021-03-17 Telekom Malaysia Berhad An improved system and method for interoperating a radio-over-fiber based network in a fiber-to-the-home network
CN104301810A (zh) * 2014-04-22 2015-01-21 国家电网公司 一种基于相切环结构的波分复用无源光网络系统
EP3206316B1 (de) 2014-10-29 2018-12-12 Huawei Technologies Co. Ltd. Optischer add/drop-multiplexer und verfahren zur übertragung eines optischen netzwerksignals
US10009364B2 (en) * 2016-03-25 2018-06-26 Cisco Technology, Inc. Gathering flow characteristics for anomaly detection systems in presence of asymmetrical routing
US10819459B2 (en) * 2016-04-01 2020-10-27 Telefonaktiebolaget Lm Ericsson (Publ) Network node and method
EP3453127B1 (de) * 2016-05-06 2020-10-28 Telefonaktiebolaget LM Ericsson (PUBL) Verfahren und netzwerkknoten zur kommunikation über eine bidirektionale netzwerkverbindung
US10560184B2 (en) 2018-01-10 2020-02-11 Infinera Corporation Optical switching system for optical line protection in single fiber transmission
US11791924B2 (en) * 2018-01-10 2023-10-17 Infinera Corporation Optical channel power control system and method
US11128394B2 (en) * 2019-05-23 2021-09-21 Juniper Networks, Inc. Systems and methods for optical protection switch with single-ended activation, operation, and provision of 1+1 protection over redundant bidirectional communications paths
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US11716147B2 (en) 2020-08-10 2023-08-01 Solid, Inc. Optical communication device and optical communication system including the same
US12489528B2 (en) * 2022-12-27 2025-12-02 Nvidia Corporation Bi-directional optical communication modules and cables
CN119070908A (zh) * 2024-08-08 2024-12-03 武汉邮电科学研究院有限公司 一种适用于双向通信的光纤环链路

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Also Published As

Publication number Publication date
CA2470361A1 (en) 2003-06-26
DE60225470T2 (de) 2009-03-12
CN1620770A (zh) 2005-05-25
AU2002359170A1 (en) 2003-06-30
US7343093B2 (en) 2008-03-11
DE60225470D1 (de) 2008-04-17
JP2005513861A (ja) 2005-05-12
CA2470361C (en) 2011-09-27
EP1456981A1 (de) 2004-09-15
EP1456981B1 (de) 2008-03-05
WO2003052978A1 (en) 2003-06-26
JP4235559B2 (ja) 2009-03-11
US20050084262A1 (en) 2005-04-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties