JPWO2020217299A1 - - Google Patents

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Publication number
JPWO2020217299A1
JPWO2020217299A1 JP2021515340A JP2021515340A JPWO2020217299A1 JP WO2020217299 A1 JPWO2020217299 A1 JP WO2020217299A1 JP 2021515340 A JP2021515340 A JP 2021515340A JP 2021515340 A JP2021515340 A JP 2021515340A JP WO2020217299 A1 JPWO2020217299 A1 JP WO2020217299A1
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.)
Granted
Application number
JP2021515340A
Other versions
JP7193759B2 (ja
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 JPWO2020217299A1 publication Critical patent/JPWO2020217299A1/ja
Application granted granted Critical
Publication of JP7193759B2 publication Critical patent/JP7193759B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0791—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
    • H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0793—Network aspects, e.g. central monitoring of transmission parameters
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP2021515340A 2019-04-23 2019-04-23 故障判定システム及び故障判定方法 Active JP7193759B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/017179 WO2020217299A1 (ja) 2019-04-23 2019-04-23 故障判定システム及び故障判定方法

Publications (2)

Publication Number Publication Date
JPWO2020217299A1 true JPWO2020217299A1 (ja) 2020-10-29
JP7193759B2 JP7193759B2 (ja) 2022-12-21

Family

ID=72941053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021515340A Active JP7193759B2 (ja) 2019-04-23 2019-04-23 故障判定システム及び故障判定方法

Country Status (3)

Country Link
US (1) US11876555B2 (ja)
JP (1) JP7193759B2 (ja)
WO (1) WO2020217299A1 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008131088A (ja) * 2006-11-16 2008-06-05 Oki Electric Ind Co Ltd 光通信システム
JP2008160583A (ja) * 2006-12-25 2008-07-10 Mitsubishi Electric Corp 冗長化光アクセス装置
WO2010095705A1 (ja) * 2009-02-19 2010-08-26 日本電気株式会社 通信パス監視方法および伝送装置
JP2014171120A (ja) * 2013-03-04 2014-09-18 Nippon Telegr & Teleph Corp <Ntt> Ｐｏｎプロテクションシステムの異常診断方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995033324A2 (en) * 1994-05-23 1995-12-07 British Telecommunications Public Limited Company Optical telecommunications network
DE19519735A1 (de) * 1995-06-02 1996-12-05 Sel Alcatel Ag Optisch gesteuertes optisches Koppelmodul, Verfahren zum optischen Steuern eines optischen Koppelnetzes und optisches Koppelnetz
US7254330B2 (en) * 2001-07-20 2007-08-07 Tellabs Bedford, Inc. Single fiber passive optical network wavelength division multiplex overlay
US7805073B2 (en) * 2006-04-28 2010-09-28 Adc Telecommunications, Inc. Systems and methods of optical path protection for distributed antenna systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008131088A (ja) * 2006-11-16 2008-06-05 Oki Electric Ind Co Ltd 光通信システム
JP2008160583A (ja) * 2006-12-25 2008-07-10 Mitsubishi Electric Corp 冗長化光アクセス装置
WO2010095705A1 (ja) * 2009-02-19 2010-08-26 日本電気株式会社 通信パス監視方法および伝送装置
JP2014171120A (ja) * 2013-03-04 2014-09-18 Nippon Telegr & Teleph Corp <Ntt> Ｐｏｎプロテクションシステムの異常診断方法

Also Published As

Publication number Publication date
US11876555B2 (en) 2024-01-16
US20220200698A1 (en) 2022-06-23
JP7193759B2 (ja) 2022-12-21
WO2020217299A1 (ja) 2020-10-29

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