JPWO2021166686A1 - - Google Patents

Info

Publication number
JPWO2021166686A1
JPWO2021166686A1 JP2022501792A JP2022501792A JPWO2021166686A1 JP WO2021166686 A1 JPWO2021166686 A1 JP WO2021166686A1 JP 2022501792 A JP2022501792 A JP 2022501792A JP 2022501792 A JP2022501792 A JP 2022501792A JP WO2021166686 A1 JPWO2021166686 A1 JP WO2021166686A1
Authority
JP
Japan
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.)
Pending
Application number
JP2022501792A
Other languages
Japanese (ja)
Other versions
JPWO2021166686A5 (https=
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 filed Critical
Publication of JPWO2021166686A1 publication Critical patent/JPWO2021166686A1/ja
Publication of JPWO2021166686A5 publication Critical patent/JPWO2021166686A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0771—Fault location on the transmission path
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0775—Performance monitoring and measurement of transmission parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Communication System (AREA)
JP2022501792A 2020-02-19 2021-02-05 Pending JPWO2021166686A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020025893 2020-02-19
PCT/JP2021/004329 WO2021166686A1 (ja) 2020-02-19 2021-02-05 障害検出装置、障害検出方法及び海底ケーブルシステム

Publications (2)

Publication Number Publication Date
JPWO2021166686A1 true JPWO2021166686A1 (https=) 2021-08-26
JPWO2021166686A5 JPWO2021166686A5 (https=) 2022-10-04

Family

ID=77392130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022501792A Pending JPWO2021166686A1 (https=) 2020-02-19 2021-02-05

Country Status (5)

Country Link
US (1) US11936423B2 (https=)
EP (1) EP4109843B1 (https=)
JP (1) JPWO2021166686A1 (https=)
CN (1) CN115136514A (https=)
WO (1) WO2021166686A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025059276A1 (en) * 2023-09-12 2025-03-20 California Institute Of Technology Optical fiber-based tsunami warning system using submarine telecommunication cables

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0342927A (ja) * 1989-07-10 1991-02-25 Nippon Telegr & Teleph Corp <Ntt> 光増幅中継伝送路の監視方式
JP2005277842A (ja) * 2004-03-25 2005-10-06 Hitachi Communication Technologies Ltd 光伝送装置およびその制御方法
US20090202237A1 (en) * 2008-02-11 2009-08-13 Tyco Telecommunications (Us) Inc. System and Method for Fault Identification in Optical Communication Systems

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4152125B2 (ja) * 2002-05-30 2008-09-17 富士通株式会社 光信号レベル制御装置
US20040047629A1 (en) * 2002-08-20 2004-03-11 Red Sky Systems, Inc. Adaptor arrangement for detecting faults in an optically amplified multi-span transmission system using a remotely located OTDR
US20040047295A1 (en) * 2002-08-20 2004-03-11 Morreale Jay P. Method and apparatus for providing a common optical line monitoring and service channel over an WDM optical transmission system
JP4782667B2 (ja) * 2006-12-26 2011-09-28 三菱電機株式会社 光受信器
JP2012015736A (ja) 2010-06-30 2012-01-19 Nec Corp 障害検知装置、光伝送装置、および障害検知方法
CN102801464B (zh) * 2011-05-27 2015-03-25 华为海洋网络有限公司 检测海底光缆线路的方法、传送装置和系统
US8417114B1 (en) * 2011-11-18 2013-04-09 Level 3 Communications, Llc Apparatus, system and method for network monitoring
US9749041B2 (en) * 2011-11-23 2017-08-29 Tyco Electronics Subsea Communications Llc System and method using fault injection into line monitoring system baselines
US9002197B2 (en) * 2012-11-14 2015-04-07 Telefonaktiebolaget L M Ericsson (Publ) Sequence-based link fault localization
US10382123B2 (en) * 2018-01-12 2019-08-13 Subcom, Llc Techniques for parameter reporting of elements in an optical transmission system using high loss loopback (HLLB) data and a line monitoring system implementing the same
US10644792B2 (en) * 2018-07-16 2020-05-05 Juniper Networks, Inc. Methods and apparatus for adaptively detecting signal degradation in an optical communication system using the pre-forward error correction bit error rate
US11476930B2 (en) * 2018-08-30 2022-10-18 Nec Corporation Optical time domain reflectometer, method of testing optical transmission line, and test system of optical transmission line
JP6831600B2 (ja) 2019-09-15 2021-02-17 株式会社サンセイアールアンドディ 遊技機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0342927A (ja) * 1989-07-10 1991-02-25 Nippon Telegr & Teleph Corp <Ntt> 光増幅中継伝送路の監視方式
JP2005277842A (ja) * 2004-03-25 2005-10-06 Hitachi Communication Technologies Ltd 光伝送装置およびその制御方法
US20090202237A1 (en) * 2008-02-11 2009-08-13 Tyco Telecommunications (Us) Inc. System and Method for Fault Identification in Optical Communication Systems

Also Published As

Publication number Publication date
CN115136514A (zh) 2022-09-30
EP4109843A1 (en) 2022-12-28
EP4109843B1 (en) 2025-11-19
US20230060104A1 (en) 2023-02-23
US11936423B2 (en) 2024-03-19
WO2021166686A1 (ja) 2021-08-26
EP4109843A4 (en) 2023-08-09

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