DE60029047D1 - System und Verfahren zur Signalqualitätsüberwachung - Google Patents

System und Verfahren zur Signalqualitätsüberwachung

Info

Publication number
DE60029047D1
DE60029047D1 DE60029047T DE60029047T DE60029047D1 DE 60029047 D1 DE60029047 D1 DE 60029047D1 DE 60029047 T DE60029047 T DE 60029047T DE 60029047 T DE60029047 T DE 60029047T DE 60029047 D1 DE60029047 D1 DE 60029047D1
Authority
DE
Germany
Prior art keywords
signal quality
quality monitoring
monitoring
signal
quality
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
DE60029047T
Other languages
English (en)
Other versions
DE60029047T2 (de
Inventor
Tatsuya Shiragaki
Shinobu Sasaki
Shinya Nakamura
Takashi Yamazaki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE60029047D1 publication Critical patent/DE60029047D1/de
Application granted granted Critical
Publication of DE60029047T2 publication Critical patent/DE60029047T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • 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
    • H04B10/075—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
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07953—Monitoring or measuring OSNR, BER or Q
    • 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
    • H04B10/0797—Monitoring line amplifier or line repeater equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE60029047T 1999-04-28 2000-04-28 System und Verfahren zur Signalqualitätsüberwachung Expired - Lifetime DE60029047T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12201299 1999-04-28
JP12201299A JP2000312189A (ja) 1999-04-28 1999-04-28 光通信装置

Publications (2)

Publication Number Publication Date
DE60029047D1 true DE60029047D1 (de) 2006-08-10
DE60029047T2 DE60029047T2 (de) 2007-01-04

Family

ID=14825397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60029047T Expired - Lifetime DE60029047T2 (de) 1999-04-28 2000-04-28 System und Verfahren zur Signalqualitätsüberwachung

Country Status (4)

Country Link
EP (1) EP1049272B1 (de)
JP (1) JP2000312189A (de)
CA (1) CA2307256C (de)
DE (1) DE60029047T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1436870A2 (de) 2001-10-09 2004-07-14 Infinera Corporation Integrierte fotonische sendschaltung und optisches netzwerk damit
EP1638233B1 (de) * 2001-10-09 2007-12-19 Infinera Corporation Digitale optische Netzwerkarchitektur
CA2463500C (en) * 2001-10-09 2012-11-27 Infinera Corporation Transmitter photonic integrated circuit (txpic) chip architectures and drive systems and wavelength stabilization for txpics
US7630649B2 (en) 2003-03-14 2009-12-08 Nippon Telegraph And Telephone Corporation Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method
CN101405971B (zh) 2006-03-31 2012-10-24 古河电气工业株式会社 光传送系统和光中继装置
JP2008042288A (ja) 2006-08-02 2008-02-21 Fujitsu Ltd 信号処理装置及び信号処理方法
JP4862059B2 (ja) * 2009-03-25 2012-01-25 ミハル通信株式会社 光信号伝送システム及び光信号伝送システム用光受信装置
EP2854306B1 (de) * 2013-09-25 2020-01-01 Alcatel Lucent Optischer Empfänger und Verfahren zum Betrieb eines optischen Empfängers
US11388699B2 (en) * 2020-03-25 2022-07-12 Kabushiki Kaisha Toshiba Communication between network nodes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633464A (en) * 1983-08-08 1986-12-30 At&T Bell Laboratories Control signalling arrangement for a digital transmission system
EP0388495B1 (de) * 1989-03-22 1994-06-08 Siemens Aktiengesellschaft Verfahren zur Qualitätsüberwachung wenigstens zweier Übertragungsabschnitte einer Digitalsignal-Übertragungsstrecke und Vorrichtung zur Durchführung des Verfahrens
FR2721464A1 (fr) * 1994-06-17 1995-12-22 Alcatel Telspace Procédé de correction d'un mot de contrôle de parité dans une section de commutation de trames, notamment de type SDH.
JPH11508427A (ja) * 1995-06-26 1999-07-21 テレフオンアクチーボラゲツト エル エム エリクソン（パブル） 自己回復網
CN1198423C (zh) * 1996-04-23 2005-04-20 株式会社日立制作所 自修复网络及其传输线路交换方法和传输设备
JPH10200489A (ja) * 1997-01-13 1998-07-31 Nec Corp 光信号遮断障害監視方法及び装置、並びに光ネットワークシステム

Also Published As

Publication number Publication date
EP1049272A3 (de) 2004-05-06
EP1049272B1 (de) 2006-06-28
EP1049272A2 (de) 2000-11-02
CA2307256C (en) 2004-02-17
CA2307256A1 (en) 2000-10-28
JP2000312189A (ja) 2000-11-07
DE60029047T2 (de) 2007-01-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition