ATE338392T1 - Verfahren zur bildung von einem kodierten rz oder nrz signal - Google Patents

Verfahren zur bildung von einem kodierten rz oder nrz signal

Info

Publication number
ATE338392T1
ATE338392T1 AT04291702T AT04291702T ATE338392T1 AT E338392 T1 ATE338392 T1 AT E338392T1 AT 04291702 T AT04291702 T AT 04291702T AT 04291702 T AT04291702 T AT 04291702T AT E338392 T1 ATE338392 T1 AT E338392T1
Authority
AT
Austria
Prior art keywords
variations
coded
forming
nrz signal
phases
Prior art date
Application number
AT04291702T
Other languages
English (en)
Inventor
Hans Bissessur
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE338392T1 publication Critical patent/ATE338392T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/38Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40Transmitting circuits; Receiving circuits
    • H04L25/49Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2507Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/25137Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using pulse shaping at the transmitter, e.g. pre-chirping or dispersion supported transmission [DST]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • H04B10/5051Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • H04B10/5055Laser transmitters using external modulation using a pre-coder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/508Pulse generation, e.g. generation of solitons

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT04291702T 2003-08-19 2004-07-05 Verfahren zur bildung von einem kodierten rz oder nrz signal ATE338392T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0309997A FR2859056B1 (fr) 2003-08-19 2003-08-19 Methode de formation d'un signal optique code suivant un format retour a zero ou non retour a zero

Publications (1)

Publication Number Publication Date
ATE338392T1 true ATE338392T1 (de) 2006-09-15

Family

ID=34043779

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04291702T ATE338392T1 (de) 2003-08-19 2004-07-05 Verfahren zur bildung von einem kodierten rz oder nrz signal

Country Status (5)

Country Link
US (1) US20050041983A1 (de)
EP (1) EP1508984B1 (de)
AT (1) ATE338392T1 (de)
DE (1) DE602004002160T2 (de)
FR (1) FR2859056B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080130888A1 (en) * 2004-09-10 2008-06-05 Magio Technologies, Inc. A Coporation Method And Apparatus For Generating Optical Pulses For Qkd
US8055137B2 (en) * 2007-03-27 2011-11-08 Tongqing Wang Phase coded non-return-to-zero optical transmitter
JP5266316B2 (ja) * 2007-06-07 2013-08-21 エイエフエル テレコミュニケーションズ エルエルシー 光ファイバファイバおよびリボンの検出方法
US11047766B2 (en) 2018-04-11 2021-06-29 Afl Telecommunications Llc Systems and methods for identification and testing of optical fibers

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670638B1 (fr) * 1990-12-17 1993-02-12 Alcatel Nv Procede et systeme de transmission optique a saut de phase.
FR2685834B1 (fr) * 1991-12-31 1995-03-31 France Telecom Systeme de transmission numerique longue distance sur fibre optique a compensation a l'emission des distorsions.
IT1279248B1 (it) * 1995-12-21 1997-12-09 Pirelli Cavi S P A Ora Pirelli Sistema di trasmissione di segnali ottici modulati e depolarizzati
FR2745451B1 (fr) * 1996-02-23 1998-04-17 Cit Alcatel Procede de transmission optique de donnees numeriques
US20040161245A1 (en) * 1996-12-20 2004-08-19 Bergano Neal S. Synchronous amplitude modulation for improved performance of optical transmission systems
JP3337980B2 (ja) * 1998-06-29 2002-10-28 沖電気工業株式会社 光送信器及び光伝送システム
FR2781322B1 (fr) * 1998-07-20 2000-09-08 Alsthom Cge Alcatel Dispositif d'emission de donnees optiques
EP1204228B1 (de) * 2000-11-06 2005-05-18 Alcatel Optische Modulationsart für NRZ-Signale und optischer Sender
US6741763B1 (en) * 2001-01-17 2004-05-25 The Texas A & M University Optical data transmission apparatus and method
CN1330119C (zh) * 2001-11-11 2007-08-01 华为技术有限公司 一种用于高速传输系统的光信号调节方法及光传输系统
ITRM20020056A1 (it) * 2002-02-04 2003-08-04 Mario Zitelli Modulazione combinata di intensita' e fase in un sistema di comunicazione ottico.
JP2003244102A (ja) * 2002-02-20 2003-08-29 Hitachi Ltd 光帯域狭窄化送信装置および光残留サイドバンド送信装置
US7027669B2 (en) * 2003-08-15 2006-04-11 Lucent Technologies Inc. Methods and apparatus for optical pulse generator with progressive phase shift

Also Published As

Publication number Publication date
EP1508984B1 (de) 2006-08-30
FR2859056A1 (fr) 2005-02-25
US20050041983A1 (en) 2005-02-24
DE602004002160D1 (de) 2006-10-12
DE602004002160T2 (de) 2007-07-19
EP1508984A1 (de) 2005-02-23
FR2859056B1 (fr) 2005-09-30

Similar Documents

Publication Publication Date Title
ATE401645T1 (de) Verfahren zur einbettung eines digitalen wasserzeichens in ein nutzsignal
ATE302991T1 (de) Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen
ATE459957T1 (de) Kodierung und dekodierung für mehrkanalige signale
DE69939996D1 (de) Verfahren zur Umsetzung von Farbdaten
DE60217860D1 (de) Verfahren zur herstellung von haftverschlüssen
DE602004006530D1 (de) Signalregeneration
DE69618759D1 (de) Verfahren und system zur kodierung einer sequenz von segmentierten bildern , kodiertes signal und speichermedium, verfahren und system zur dekodierung des kodierten signals
NO20064091L (no) Kvantisering datasignaler
ATE377300T1 (de) Verfahren und vorrichtung zur optischen phasenmodulation
DE69911169D1 (de) Verfahren zur dekodierung eines audiosignals mit korrektur von übertragungsfehlern
DE60312060D1 (de) Signalvorverarbeitung der überlagerten Signale in einem digitalen Modulationsschema mit überlagerten Signalen zur Verwendung von bestehenden Empfängern
ATE278225T1 (de) Verfahren, vorrichtungen und system zur rechnerischen fein-degradierung unter verwendung von prioritätsinformation bei mehreren objekten
DE60039422D1 (de) Verfahren und empfänger zum empfangen und dekodieren modulierter signale mit verschiedenen modulationsverfahren
ATE338392T1 (de) Verfahren zur bildung von einem kodierten rz oder nrz signal
DE50000843D1 (de) Verfahren und anordnung zur erzeugung von rz-signalen
DE69920925D1 (de) Verfahren zur erzeugung von reinstchrom
DE602006011659D1 (de) System und Verfahren zur Erzeugung von optischen Nullrückstellungssignalen mit differentieller Zweiphasenverschiebung
AU2003246589A8 (en) Method and system for concurrent estimation of frequency offset and modulation index
DE69915187D1 (de) Verfahren zur verlustfreien Komprimierung von Signalen mit grossem Dynamikbereich
ATE347233T1 (de) Verfahren zur wavelet-bildcodierung und entsprechendes decodierungsverfahren
ATA214793A (de) Verfahren zur erzeugung von erde
DE60001563D1 (de) Verfahren zur kodierung/dekodierung von bildern
ATE334542T1 (de) Verfahren und vorrichtung zur umwandlung einer kanalschätzung
DE602005007372D1 (de) OFDM Kodierung unter Verwendung von Hermite-Polynomen
ATE517495T1 (de) System und vorrichtung zur kodierung unter verwendung von verschiedenen wellenformen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties