FR2794913B1 - Procede de controle de la qualite d'un signal numerique et dispositif de communication utilisant ce procede - Google Patents

Procede de controle de la qualite d'un signal numerique et dispositif de communication utilisant ce procede

Info

Publication number: FR2794913B1
Authority: FR; France
Prior art keywords: quality; controlling; communication device; same; digital signal
Prior art date: 1999-06-14
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 - Fee Related

Application number

FR0007547A

Other languages

English (en)

Other versions

FR2794913A1 (fr

Inventor

Mitsuru Sugawara

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.)

Toshiba Corp

Original Assignee

Toshiba 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.)

1999-06-14

Filing date

2000-06-14

Publication date

2005-04-08

2000-06-14 Application filed by Toshiba Corp filed Critical Toshiba Corp

2000-12-15 Publication of FR2794913A1 publication Critical patent/FR2794913A1/fr

2005-04-08 Application granted granted Critical

2005-04-08 Publication of FR2794913B1 publication Critical patent/FR2794913B1/fr

2020-06-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/03—WDM arrangements
- H04J14/0305—WDM arrangements in end terminals

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Optical Communication System (AREA)
Detection And Prevention Of Errors In Transmission (AREA)
Dc Digital Transmission (AREA)

FR0007547A 1999-06-14 2000-06-14 Procede de controle de la qualite d'un signal numerique et dispositif de communication utilisant ce procede Expired - Fee Related FR2794913B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP16755099A JP4180738B2 (ja)	1999-06-14	1999-06-14	デジタル信号品質モニタ方法とこの方法を用いた通信装置

Publications (2)

Publication Number	Publication Date
FR2794913A1 FR2794913A1 (fr)	2000-12-15
FR2794913B1 true FR2794913B1 (fr)	2005-04-08

Family

ID=15851805

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR0007547A Expired - Fee Related FR2794913B1 (fr)	1999-06-14	2000-06-14	Procede de controle de la qualite d'un signal numerique et dispositif de communication utilisant ce procede

Country Status (4)

Country	Link
US (1)	US6718138B1 (fr)
JP (1)	JP4180738B2 (fr)
FR (1)	FR2794913B1 (fr)
GB (1)	GB2352597B (fr)

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Publication number	Priority date	Publication date	Assignee	Title
US7173551B2 (en) *	2000-12-21	2007-02-06	Quellan, Inc.	Increasing data throughput in optical fiber transmission systems
JP3447053B2 (ja) *	2001-03-09	2003-09-16	インターナショナル・ビジネス・マシーンズ・コーポレーション	組み合わせ回路、該組み合わせ回路を使用する符号化装置、復号装置、および半導体デバイス
US7307569B2 (en) *	2001-03-29	2007-12-11	Quellan, Inc.	Increasing data throughput in optical fiber transmission systems
US7149256B2 (en)	2001-03-29	2006-12-12	Quellan, Inc.	Multilevel pulse position modulation for efficient fiber optic communication
WO2002082694A1 (fr)	2001-04-04	2002-10-17	Quellan, Inc.	Procede et systeme permettant de decoder des signaux multiniveau
JP2002330104A (ja) *	2001-04-27	2002-11-15	Mitsubishi Electric Corp	受信装置
DE60123599T2 (de)	2001-08-01	2008-01-31	Alcatel Lucent	Messung der Augenöffnung eines Signales
US7146098B1 (en) *	2001-12-20	2006-12-05	Nortel Networks Limited	Optical protection scheme
US7212580B2 (en) *	2002-02-15	2007-05-01	Quellan, Inc.	Multi-level signal clock recovery technique
US7035361B2 (en) *	2002-07-15	2006-04-25	Quellan, Inc.	Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding
US7146099B2 (en) *	2002-11-05	2006-12-05	Siemens Communications, Inc.	Method and apparatus for optical signal and noise analysis using pulse amplitude histogram
WO2004045078A2 (fr) *	2002-11-12	2004-05-27	Quellan, Inc.	Conversion analogique-numerique extremement rapide presentant une robustesse optimisee par rapport aux incertitudes de synchronisation
US20050149791A1 (en) *	2002-12-05	2005-07-07	Fujitsu Limited	Digital signal receiving apparatus, an optical transmission apparatus therewith, and a discriminating point control method
JP4138557B2 (ja) *	2003-03-31	2008-08-27	富士通株式会社	波長分散補償制御システム
GB2401291B (en) *	2003-05-01	2005-12-28	Phyworks Ltd	Receiver
US7804760B2 (en) *	2003-08-07	2010-09-28	Quellan, Inc.	Method and system for signal emulation
WO2005018134A2 (fr) *	2003-08-07	2005-02-24	Quellan, Inc.	Procede et systeme pour supprimer la diaphonie
KR100982512B1 (ko) *	2003-10-10	2010-09-16	삼성전자주식회사	아이 패턴을 이용한 신호 품질 측정 방법 및 장치
JP4510832B2 (ja) *	2003-11-17	2010-07-28	ケランインコーポレイテッド	アンテナ干渉消去のための方法およびシステム
US7616700B2 (en) *	2003-12-22	2009-11-10	Quellan, Inc.	Method and system for slicing a communication signal
US7210856B2 (en) *	2004-03-02	2007-05-01	Welldynamics, Inc.	Distributed temperature sensing in deep water subsea tree completions
US7558479B1 (en) *	2004-04-15	2009-07-07	Nortel Networks Limited	Analysis and control of optical communications systems
US7641395B2 (en)	2004-06-22	2010-01-05	Halliburton Energy Serives, Inc.	Fiber optic splice housing and integral dry mate connector system
JP4545756B2 (ja) *	2004-09-27	2010-09-15	三菱電機株式会社	光波長分岐挿入装置および障害回復方法
US7522883B2 (en)	2004-12-14	2009-04-21	Quellan, Inc.	Method and system for reducing signal interference
US7725079B2 (en) *	2004-12-14	2010-05-25	Quellan, Inc.	Method and system for automatic control in an interference cancellation device
IL172301A0 (en) *	2005-12-01	2007-03-08	Eci Telecom Ltd	Method and system for measuring average q - factor in optical networks
WO2007127369A2 (fr) *	2006-04-26	2007-11-08	Quellan, Inc.	Méthode et système de réduction des émissions rayonnées depuis un canal de communication
WO2008065784A1 (fr)	2006-11-30	2008-06-05	Nec Corporation	Appareil de détermination de dispersion et système de compensation de dispersion automatique utilisant un tel appareil
FR2958049B1 (fr) *	2010-03-29	2012-09-14	Cnrs Centre National De Recherche Scient	Dispositif et procede de traitement d'un signal optique
EP3013068A1 (fr) *	2014-10-22	2016-04-27	Alcatel Lucent	Procédé pour générer des informations de commutation de protection
US9860054B1 (en) *	2015-11-13	2018-01-02	Anritsu Company	Real-time phase synchronization of a remote receiver with a measurement instrument
US10003453B1 (en)	2015-11-13	2018-06-19	Anritsu Company	Phase synchronization of measuring instruments using free space transmission
KR102022377B1 (ko) *	2017-12-18	2019-09-18	주식회사 포인투테크놀로지	위상 동기화 장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4376309A (en) *	1981-05-29	1983-03-08	Bell Telephone Laboratories, Incorporated	Method and apparatus for signal-eye tracking in digital transmission systems
CA2056679C (fr) *	1991-11-29	2002-02-12	Timothy Joseph Nohara	Surveillance automatisee des conditions de canaux de communication numeriques utilisant les configurations de l'oeil
JP3072047B2 (ja) *	1995-03-22	2000-07-31	株式会社東芝	波長多重光伝送装置および光中継器
JP2976887B2 (ja) *	1996-06-19	1999-11-10	日本電気株式会社	受信特性評価方法および装置
JPH10206469A (ja) *	1997-01-17	1998-08-07	Nippon Telegr & Teleph Corp <Ntt>	信号レベル測定装置
JPH1188260A (ja) *	1997-09-09	1999-03-30	Fujitsu Ltd	光伝送路の分散補償装置
US6055078A (en) *	1998-05-01	2000-04-25	University Of Maryland Baltimore County	Real time wavelength monitoring circuit
DE19850567C2 (de) *	1998-11-02	2001-02-15	Wandel & Goltermann Man Holdin	Verwendung einer Schaltungsanordnung und Vorrichtung zur Messung der Signalgüte eines digitalen Nachrichtenübertragungssystems
DE19914793A1 (de) *	1999-03-31	2000-10-26	Siemens Ag	Verfahren und Anordnung zur Messung der Signalqualität in einem optischen Übertragungssystem

1999
- 1999-06-14 JP JP16755099A patent/JP4180738B2/ja not_active Expired - Fee Related
2000
- 2000-06-06 GB GB0013794A patent/GB2352597B/en not_active Expired - Fee Related
- 2000-06-13 US US09/593,077 patent/US6718138B1/en not_active Expired - Fee Related
- 2000-06-14 FR FR0007547A patent/FR2794913B1/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JP2000358015A (ja)	2000-12-26
GB2352597B (en)	2002-09-11
US6718138B1 (en)	2004-04-06
GB0013794D0 (en)	2000-07-26
FR2794913A1 (fr)	2000-12-15
JP4180738B2 (ja)	2008-11-12
GB2352597A (en)	2001-01-31

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Legal Events

Date	Code	Title	Description
2013-03-29	ST	Notification of lapse	Effective date: 20130228