DE69829799D1 - Messung der Augenöffnung von optischen Signalen mittels optischen Abtasten - Google Patents

Messung der Augenöffnung von optischen Signalen mittels optischen Abtasten

Info

Publication number
DE69829799D1
DE69829799D1 DE69829799T DE69829799T DE69829799D1 DE 69829799 D1 DE69829799 D1 DE 69829799D1 DE 69829799 T DE69829799 T DE 69829799T DE 69829799 T DE69829799 T DE 69829799T DE 69829799 D1 DE69829799 D1 DE 69829799D1
Authority
DE
Germany
Prior art keywords
measurement
optical
eye opening
optical signals
optical scanning
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 - Fee Related
Application number
DE69829799T
Other languages
English (en)
Other versions
DE69829799T2 (de
Inventor
Kim Byron Roberts
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
Priority claimed from GBGB9712019.0A external-priority patent/GB9712019D0/en
Priority claimed from GB9724900A external-priority patent/GB2326230A/en
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Application granted granted Critical
Publication of DE69829799D1 publication Critical patent/DE69829799D1/de
Publication of DE69829799T2 publication Critical patent/DE69829799T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69829799T 1997-06-09 1998-05-11 Messung der Augenöffnung von optischen Signalen mittels optischen Abtasten Expired - Fee Related DE69829799T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GBGB9712019.0A GB9712019D0 (en) 1997-06-09 1997-06-09 Eye measurement of optical sampling
GB9712019 1997-06-09
US08/892,706 US5880837A (en) 1997-06-09 1997-07-15 Eye measurement of optical signals by optical sampling
US892706 1997-07-15
GB9724900A GB2326230A (en) 1997-06-09 1997-11-25 Eye measurement of optical signals by optical sampling
GB9724900 1997-11-25

Publications (2)

Publication Number Publication Date
DE69829799D1 true DE69829799D1 (de) 2005-05-25
DE69829799T2 DE69829799T2 (de) 2005-09-22

Family

ID=27268884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69829799T Expired - Fee Related DE69829799T2 (de) 1997-06-09 1998-05-11 Messung der Augenöffnung von optischen Signalen mittels optischen Abtasten

Country Status (3)

Country Link
EP (1) EP0884868B1 (de)
JP (1) JPH11118614A (de)
DE (1) DE69829799T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA799A (de) * 1999-01-04 2000-10-15 Rasztovits Wiech Michael Dipl Messung der signalqualität in digitalen optischen glasfaserübertragungsnetzen durch auswertung des signalhistogramms
US6904237B2 (en) 2001-05-21 2005-06-07 Siemens Aktiengesellschaft Circuit for measurement of the signal quality in digital optical fiber transmission networks by interpreting the signal histogram
US7200328B2 (en) 2001-07-13 2007-04-03 Nippon Telegraph And Telephone Corporation Method and system for determining origin of optical signal quality degradation
JP3987001B2 (ja) 2002-05-14 2007-10-03 日本電信電話株式会社 高速サンプリングによるデータ信号品質評価方法および装置
US7405829B2 (en) * 2005-06-17 2008-07-29 Jds Uniphase Corporation Apparatus and method for characterizing pulsed optical signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5574588A (en) * 1994-02-23 1996-11-12 Nippon Telegraph And Telephone Corporation Phase lock loop circuit using optical correlation detection
JP3846918B2 (ja) * 1994-08-02 2006-11-15 富士通株式会社 光伝送システム、光多重伝送システム及びその周辺技術
CA2210536C (en) * 1995-01-19 2000-09-26 British Telecommunications Public Limited Company Optical switch

Also Published As

Publication number Publication date
EP0884868B1 (de) 2005-04-20
DE69829799T2 (de) 2005-09-22
EP0884868A3 (de) 2000-01-05
EP0884868A2 (de) 1998-12-16
JPH11118614A (ja) 1999-04-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee