DE69936713D1 - Wellenlängenmultiplexkanalschutz - Google Patents

Wellenlängenmultiplexkanalschutz

Info

Publication number
DE69936713D1
DE69936713D1 DE69936713T DE69936713T DE69936713D1 DE 69936713 D1 DE69936713 D1 DE 69936713D1 DE 69936713 T DE69936713 T DE 69936713T DE 69936713 T DE69936713 T DE 69936713T DE 69936713 D1 DE69936713 D1 DE 69936713D1
Authority
DE
Germany
Prior art keywords
spare
optical
transponder
ordinary
transmitter
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
DE69936713T
Other languages
English (en)
Other versions
DE69936713T2 (de
Inventor
Magnus Oeberg
Nigel Robert Wood
Jonas Hemgren
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
Priority claimed from SE9800545A external-priority patent/SE521127C2/sv
Priority claimed from SE9801642A external-priority patent/SE9801642D0/xx
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69936713D1 publication Critical patent/DE69936713D1/de
Application granted granted Critical
Publication of DE69936713T2 publication Critical patent/DE69936713T2/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
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0226—Fixed carrier allocation, e.g. according to service
    • 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
    • H04J14/0279—WDM point-to-point 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)
    • 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
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment 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
    • 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
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
DE69936713T 1998-02-24 1999-02-24 Wellenlängenmultiplexkanalschutz Expired - Lifetime DE69936713T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE9800545 1998-02-24
SE9800545A SE521127C2 (sv) 1998-02-24 1998-02-24 Skydd av WDM-kanaler
SE9801642A SE9801642D0 (sv) 1998-05-12 1998-05-12 Protection of WDM-channels
SE9801642 1998-05-12
PCT/SE1999/000256 WO1999044317A2 (en) 1998-02-24 1999-02-24 Protection of wdm-channels

Publications (2)

Publication Number Publication Date
DE69936713D1 true DE69936713D1 (de) 2007-09-13
DE69936713T2 DE69936713T2 (de) 2008-04-30

Family

ID=26663219

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69936713T Expired - Lifetime DE69936713T2 (de) 1998-02-24 1999-02-24 Wellenlängenmultiplexkanalschutz

Country Status (7)

Country Link
EP (1) EP1064739B1 (de)
JP (1) JP2002505546A (de)
CN (1) CN1305668A (de)
AT (1) ATE368969T1 (de)
AU (1) AU3283999A (de)
DE (1) DE69936713T2 (de)
WO (1) WO1999044317A2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099578B1 (en) 1999-12-16 2006-08-29 Tellabs Operations Inc. 1:N protection in an optical terminal
IL135715A (en) * 2000-04-18 2004-02-19 Lightscape Networks Ltd Optical transmitter-transponder
WO2001095525A2 (en) * 2000-06-02 2001-12-13 Scientific-Atlanta, Inc Optical modules for redundancy in a broadband communication system
US7272307B2 (en) * 2001-05-25 2007-09-18 Tellabs Operations, Inc. Virtual protection channel for fiber optic ring network
DE60204940T2 (de) * 2002-03-27 2006-04-20 Lightmaze Solutions Ag Intelligentes optisches Netzelement
US7558193B2 (en) * 2002-08-12 2009-07-07 Starent Networks Corporation Redundancy in voice and data communications systems
US7233738B2 (en) * 2003-02-18 2007-06-19 Tyco Telecommunications (Us) Inc. Protection switching architecture and method of use
KR100547709B1 (ko) 2003-07-07 2006-01-31 삼성전자주식회사 자기 치유 파장분할다중방식 수동형 광 가입자망
US20060133804A1 (en) * 2004-12-17 2006-06-22 Tellabs Operations, Inc. Method and apparatus for protecting optical signals within a wavelength division multiplexed environment
CN101212254A (zh) * 2006-12-27 2008-07-02 华为技术有限公司 一种光源链路传输装置和方法
CN101227207B (zh) * 2008-02-05 2011-05-25 中兴通讯股份有限公司 用于实现上联端口的主备保护的上联系统
WO2010100793A1 (ja) * 2009-03-04 2010-09-10 三菱電機株式会社 光伝送装置
JP5595313B2 (ja) * 2011-03-16 2014-09-24 三菱電機株式会社 光ネットワークシステムおよびｗｄｍ装置
JP6455321B2 (ja) * 2015-06-03 2019-01-23 三菱電機株式会社 光伝送システム
JP2019179173A (ja) 2018-03-30 2019-10-17 株式会社フジクラ 光デバイス、波長分割多重送信器、波長分割多重受信器、及び波長分割多重送受信システム
CN112019262B (zh) * 2020-08-13 2022-04-05 武汉光迅科技股份有限公司 通信站点、光通信系统、数据传输方法及存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2054443C (en) * 1990-10-30 1995-11-07 Kazuo Yamane Switching system of optical transmission lines for protecting from trouble
BE1004668A3 (nl) * 1991-04-02 1993-01-05 Bell Telephone Mfg Beschermingsinrichting voor een optische zender/ontvangerinrichting.
US5457555A (en) * 1992-01-10 1995-10-10 Fujitsu Limited Optical transmission system
JPH0786988A (ja) * 1993-09-16 1995-03-31 Fujitsu Ltd Ｐｃａ伝送装置及びｐｃａ伝送方法
SE9602005L (sv) * 1996-05-24 1997-11-25 Ericsson Telefon Ab L M Optiskt fibernätverk med reservsändare och-mottagare
JPH10164020A (ja) * 1996-11-29 1998-06-19 Nec Corp 光波長多重中継伝送システムおよびその光ｓ／ｎ比等化方法
JP3013799B2 (ja) * 1997-01-28 2000-02-28 日本電気株式会社 波長多重光伝送用送信装置と受信装置

Also Published As

Publication number Publication date
JP2002505546A (ja) 2002-02-19
AU3283999A (en) 1999-09-15
ATE368969T1 (de) 2007-08-15
DE69936713T2 (de) 2008-04-30
CN1305668A (zh) 2001-07-25
WO1999044317A3 (en) 1999-12-09
EP1064739B1 (de) 2007-08-01
WO1999044317A2 (en) 1999-09-02
EP1064739A2 (de) 2001-01-03

Similar Documents

Publication Publication Date Title
DE69936713D1 (de) Wellenlängenmultiplexkanalschutz
AU4811599A (en) An optical wdm network having an efficient use of wavelengths and a node therefor
DE69930742D1 (de) Einfüge-ausfüge-knoten für ein optisches wdm netzwerk mit verkehr nur zwischen benachbarten knoten
US6198721B1 (en) Method and system for data transmission in a ring network
US6426815B1 (en) WDM ring transmission system having two hubs
WO2002075999A3 (en) Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch
WO2005076942A3 (en) System and apparatus for a carrier class wdm pon accommodating multiple services or protocols
EP0847158A3 (de) Vorrichtung zum optischen Wellenlängen-Multiplexen und Demultiplexen und optisches Nachrichtenübertragungssystem, das diese verwendet
WO2006044212A3 (en) System and apparatus for a carrier class wdm pon providing trunk protection with increased fiber utilization, distance and bandwidth
KR100785943B1 (ko) 광학 트랜스폰더
WO1998052314A3 (en) An add and drop node for optical communication systems
SE9501075L (sv) Optisk nod i ett optiskt bussnät
US6639703B1 (en) Receiver transponder for protected networks
ATE231667T1 (de) Optisches, transparentes ringnetz mit ersatzschaltwegen
US20020080443A1 (en) System for accessing a wavelength-division-multiplexed bidirectional optical fiber ring network
ATE323985T1 (de) Optisches wdm ringnetzwerk zur durch lokale zustandsschaltung gesicherten signalübertragung bei erfassung einer lokalen unterbrechung
JPH01114128A (ja) 波長多重光通信装置
JP2872284B2 (ja) 波長選択性光スターカプラ
SE9602005L (sv) Optiskt fibernätverk med reservsändare och-mottagare
CS529390A3 (en) Adapter for optical line amplification
SE9800545D0 (sv) Protection of WDM-channels
JPH0310261B2 (de)
SE9603673D0 (sv) Tillförlitligt optiskt nätverk
JPS63238728A (ja) 光伝送装置
DE60238985D1 (de) Wdm-ringnetzwerk für flexible verbindungen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition