DE60226190D1 - Verfahren und Vorrichtung zur Messung und Bestimmung des optischen Signal-Rauschverhältnis in optischen Netzwerken - Google Patents

Verfahren und Vorrichtung zur Messung und Bestimmung des optischen Signal-Rauschverhältnis in optischen Netzwerken

Info

Publication number
DE60226190D1
DE60226190D1 DE60226190T DE60226190T DE60226190D1 DE 60226190 D1 DE60226190 D1 DE 60226190D1 DE 60226190 T DE60226190 T DE 60226190T DE 60226190 T DE60226190 T DE 60226190T DE 60226190 D1 DE60226190 D1 DE 60226190D1
Authority
DE
Germany
Prior art keywords
measuring
determining
noise ratio
optical
optical signal
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
DE60226190T
Other languages
English (en)
Other versions
DE60226190T2 (de
Inventor
Richard Heath
Peter J Anslow
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.)
Nortel Networks Ltd
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of DE60226190D1 publication Critical patent/DE60226190D1/de
Application granted granted Critical
Publication of DE60226190T2 publication Critical patent/DE60226190T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
DE60226190T 2001-03-12 2002-03-07 Verfahren und Vorrichtung zur Messung und Bestimmung des optischen Signal-Rauschverhältnis in optischen Netzwerken Expired - Lifetime DE60226190T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/804,330 US6907197B2 (en) 2001-03-12 2001-03-12 Method and apparatus for measuring and estimating optical signal to noise ratio in photonic networks
US804330 2001-03-12

Publications (2)

Publication Number Publication Date
DE60226190D1 true DE60226190D1 (de) 2008-06-05
DE60226190T2 DE60226190T2 (de) 2008-07-24

Family

ID=25188710

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60226190T Expired - Lifetime DE60226190T2 (de) 2001-03-12 2002-03-07 Verfahren und Vorrichtung zur Messung und Bestimmung des optischen Signal-Rauschverhältnis in optischen Netzwerken

Country Status (4)

Country Link
US (1) US6907197B2 (de)
EP (1) EP1241820B9 (de)
CA (1) CA2375706A1 (de)
DE (1) DE60226190T2 (de)

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US6980737B1 (en) * 2000-10-16 2005-12-27 Nortel Networks Limited Method and apparatus for rapidly measuring optical transmission characteristics in photonic networks
US7181137B1 (en) * 2002-09-30 2007-02-20 Cisco Technology, Inc. Subband spectrum analysis for optical multiplex section protection
US7146099B2 (en) * 2002-11-05 2006-12-05 Siemens Communications, Inc. Method and apparatus for optical signal and noise analysis using pulse amplitude histogram
US7269347B1 (en) * 2003-05-28 2007-09-11 Ciena Corporation Optical receiver decision threshold tuning apparatus and method
US7113666B2 (en) * 2004-06-03 2006-09-26 Sunrise Telecom Incorporated Method and apparatus for spectrum deconvolution and reshaping
KR100916008B1 (ko) * 2004-06-03 2009-09-10 선라이즈 텔레콤 인코포레이티드 스펙트럼 디콘볼루션 및 재형성을 위한 방법 및 장치
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WO2006116802A1 (en) * 2005-04-29 2006-11-09 National Ict Australia Limited Method and device for in-band optical performance monitoring
CN100460902C (zh) * 2006-03-10 2009-02-11 中兴通讯股份有限公司 波分复用系统残余色散补偿的调节方法和装置
CN101119174B (zh) * 2006-07-31 2011-03-02 中兴通讯股份有限公司 波分复用系统光信噪比的测试方法
WO2008122123A1 (en) 2007-04-05 2008-10-16 Exfo Electro-Optical Engineering Inc. Method and system for determining in-band optical noise
EP2309663A1 (de) * 2009-10-09 2011-04-13 The Provost, Fellows and Scholars of the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin System und Verfahren zur Messung des optischen Signal-Rausch-Verhältnisses
CN102714544B (zh) * 2010-02-15 2016-08-03 爱斯福公司 确定带内噪声参数的方法和设备及确定光信噪比的方法
WO2013028241A1 (en) * 2011-08-25 2013-02-28 The Trustees Of Columbia University In The City Of New York Systems and methods for a cross-layer optical network node
US9306664B1 (en) * 2013-03-14 2016-04-05 Google Inc. In-service optical signal to noise ratio monitoring in an optical network
JP6400119B2 (ja) * 2014-04-17 2018-10-03 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 光信号対ノイズ比をモニタリングする方法及び装置
US9819411B2 (en) * 2014-10-15 2017-11-14 Zte Corporation Signal to noise ratio estimation in optical communication networks
CN106559133B (zh) * 2015-09-28 2020-02-14 华为技术有限公司 光信号检测的方法及其网络设备
CN106656320B (zh) 2015-10-29 2019-04-12 阿里巴巴集团控股有限公司 用于光量子通信业务的光纤信道损耗测量系统、方法及装置
US10476587B2 (en) * 2016-05-31 2019-11-12 Alibaba Group Holding Limited System and method for enhancing reliability in a transport network
CN108631875A (zh) 2017-03-24 2018-10-09 阿里巴巴集团控股有限公司 双通道小型化可插拔模块、外壳和通信系统
CN112838895B (zh) * 2019-11-25 2023-09-12 中兴通讯股份有限公司 一种中继配置方法、装置、设备及存储介质
US11394814B2 (en) 2020-05-20 2022-07-19 Alibaba Group Holding Limited Path control by end hosts in networks
US11057113B1 (en) 2020-06-02 2021-07-06 Alibaba Group Holding Limited High-speed silicon photonics optical transceivers
US11668590B2 (en) 2020-11-11 2023-06-06 Alibaba Group Holding Limited System and method for fiber sensing
US11336376B1 (en) 2021-01-29 2022-05-17 Alibaba Group Holding Limited Flexible switch solution based on co-packaged optics
US11630261B2 (en) 2021-04-29 2023-04-18 Alibaba Singapore Holding Private Limited Co-packaged optics switch solution based on analog optical engines

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Also Published As

Publication number Publication date
EP1241820A2 (de) 2002-09-18
EP1241820A3 (de) 2006-03-08
DE60226190T2 (de) 2008-07-24
CA2375706A1 (en) 2002-09-12
US20020154353A1 (en) 2002-10-24
US6907197B2 (en) 2005-06-14
EP1241820B9 (de) 2008-12-03
EP1241820B1 (de) 2008-04-23

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