CA1154841A - Digital signal transmission method and apparatus - Google Patents

Digital signal transmission method and apparatus

Info

Publication number
CA1154841A
CA1154841A CA000363722A CA363722A CA1154841A CA 1154841 A CA1154841 A CA 1154841A CA 000363722 A CA000363722 A CA 000363722A CA 363722 A CA363722 A CA 363722A CA 1154841 A CA1154841 A CA 1154841A
Authority
CA
Canada
Prior art keywords
pulse train
pulses
signal
amplitude
unipolar
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
Application number
CA000363722A
Other languages
English (en)
French (fr)
Inventor
Ralf-Michael Stach
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of CA1154841A publication Critical patent/CA1154841A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting 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
    • H04L25/4917—Transmitting 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 using multilevel codes
    • H04L25/4923—Transmitting 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 using multilevel codes using ternary codes
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/504—Laser transmitters using direct modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Optical Communication System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Communication Control (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CA000363722A 1979-11-03 1980-10-31 Digital signal transmission method and apparatus Expired CA1154841A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2944459.5 1979-11-03
DE2944459A DE2944459C2 (de) 1979-11-03 1979-11-03 Verfahren zum Übertragen von Bipolarsignalen mittels eines optischen Senders

Publications (1)

Publication Number Publication Date
CA1154841A true CA1154841A (en) 1983-10-04

Family

ID=6085086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000363722A Expired CA1154841A (en) 1979-11-03 1980-10-31 Digital signal transmission method and apparatus

Country Status (9)

Country Link
US (1) US4410878A (en, 2012)
EP (1) EP0028298B1 (en, 2012)
JP (1) JPS5693456A (en, 2012)
AT (1) ATE10054T1 (en, 2012)
CA (1) CA1154841A (en, 2012)
DE (1) DE2944459C2 (en, 2012)
DK (1) DK464480A (en, 2012)
IE (1) IE50511B1 (en, 2012)
IL (1) IL61327A (en, 2012)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201779A1 (de) * 1982-01-21 1983-09-08 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Lichtwellenleiter-uebertragungssystem
JPS58195339A (ja) * 1982-05-10 1983-11-14 Mitsubishi Electric Corp 信号伝達装置
DE3218318A1 (de) * 1982-05-14 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Anordnung zur erzeugung quaternaerer signale
US4757553A (en) * 1984-05-15 1988-07-12 Crimmins James W Communication system with portable unit
US4903338A (en) * 1986-11-17 1990-02-20 Amp Incorporated Optical interface
JPH0358532A (ja) * 1989-07-27 1991-03-13 Toshiba Corp 光伝送方式
DE4341408A1 (de) * 1993-12-04 1995-06-08 Sel Alcatel Ag Optisches System zur Übertragung eines Mehrstufensignals
US5760941A (en) * 1996-02-29 1998-06-02 Rice University System and method for performing optical code division multiple access communication using bipolar codes
US6324296B1 (en) * 1997-12-04 2001-11-27 Phasespace, Inc. Distributed-processing motion tracking system for tracking individually modulated light points
US7173551B2 (en) 2000-12-21 2007-02-06 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
US7307569B2 (en) 2001-03-29 2007-12-11 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
DE60238602D1 (de) 2001-04-04 2011-01-27 Quellan Inc Verfahren und system zum decodieren von mehrpegelsignalen
AU2003211094A1 (en) 2002-02-15 2003-09-09 Quellan, Inc. Multi-level signal clock recovery technique
AU2003256569A1 (en) 2002-07-15 2004-02-02 Quellan, Inc. Adaptive noise filtering and equalization
AU2003287628A1 (en) 2002-11-12 2004-06-03 Quellan, Inc. High-speed analog-to-digital conversion with improved robustness to timing uncertainty
WO2005018134A2 (en) 2003-08-07 2005-02-24 Quellan, Inc. Method and system for crosstalk cancellation
US7804760B2 (en) 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
WO2005050896A2 (en) 2003-11-17 2005-06-02 Quellan, Inc. Method and system for antenna interference cancellation
US7616700B2 (en) 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
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
DE112007001045B4 (de) 2006-04-26 2019-05-16 Intersil Americas LLC Verfahren und System zur Reduzierung von Strahlungs-Emissionen aus einem Kommunikationskanal
US20170126341A1 (en) * 2015-10-29 2017-05-04 Electronics And Telecommunications Research Institute Fam transmitting apparatus and method for combining fm signal and digital modulated am signal
US10591385B2 (en) * 2017-12-01 2020-03-17 Exfo Inc. Method and system for multi-fiber cable testing

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434059A (en) * 1966-09-06 1969-03-18 Us Army Bipolar to two-level binary code translator
JPS5242325B2 (en, 2012) * 1972-01-31 1977-10-24
DE2748832C2 (de) * 1974-02-19 1980-01-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen PCM-Regenerator mit Taktrückgewinnungsschaltung
JPS5111306A (ja) * 1974-07-17 1976-01-29 Gen Corp Shuhasuhenchohoshiki
JPS5747579B2 (en, 2012) * 1974-09-24 1982-10-09
DE2529448C2 (de) * 1975-07-02 1984-02-09 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Schaltungsanordnung zur Umwandlung von NRZ-Signalen in RZ-Signale, insbesondere für die synchrone Zeitmultiplexbildung
US4006304A (en) * 1975-12-10 1977-02-01 Bell Telephone Laboratories, Incorporated Apparatus for word synchronization in an optical communication system
US4008390A (en) * 1976-03-15 1977-02-15 Bell Telephone Laboratories, Incorporated Optical pulse transmission system
DE2624101C3 (de) * 1976-05-28 1978-11-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Decodierverfahren für einen HDB-Decoder
IT1091439B (it) * 1977-10-13 1985-07-06 Studi E Lab Telcomunicazioni S Procedimento e sistema di modulazione e demodulazione per trasmissione numerica
FR2407620A1 (fr) * 1977-10-27 1979-05-25 Cit Alcatel Procede de transmission d'informations binaires et dispositifs de codage et de decodage correspondants
FR2420886A1 (fr) * 1978-03-24 1979-10-19 Telecommunications Sa Amplificateur de sortie pour systeme de regeneration de signaux numeriques transmis en code ternaire
DE2827958C2 (de) * 1978-06-26 1980-07-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Streckenregenerator für in einem Partial-Response-Code vorliegende mehrstufige digitale Signale
DE2844828A1 (de) * 1978-10-14 1980-04-24 Karl Grumbach Gmbh & Co Kg Geraet fuer die zusaetzliche erwaermung des wassers in warmwasserheizungs- oder warmwasserbereitungsanlagen
FR2448262A1 (fr) * 1979-01-30 1980-08-29 Lyonnaise Transmiss Optiques Procede de transmission serie d'informations binaires et dispositifs pour sa mise en oeuvre
EP0018142B1 (en) * 1979-04-17 1982-12-29 Gec-Marconi Limited Data transmission systems

Also Published As

Publication number Publication date
EP0028298B1 (de) 1984-10-24
DE2944459C2 (de) 1984-04-26
ATE10054T1 (de) 1984-11-15
DK464480A (da) 1981-05-04
EP0028298A2 (de) 1981-05-13
DE2944459A1 (de) 1981-05-07
IL61327A0 (en) 1980-12-31
EP0028298A3 (en) 1981-09-16
IL61327A (en) 1983-11-30
IE802274L (en) 1981-05-03
IE50511B1 (en) 1986-04-30
JPH0131741B2 (en, 2012) 1989-06-27
JPS5693456A (en) 1981-07-29
US4410878A (en) 1983-10-18

Similar Documents

Publication Publication Date Title
CA1154841A (en) Digital signal transmission method and apparatus
US5510919A (en) Optical system for transmitting a multilevel signal
CA2088459C (en) System for optically transmitting digital communications over an optical fiber with dispersion at the operating wavelength
US4201909A (en) Data-transmission system and method using fiber-optical transmission
CA1134461A (en) Waveform correction circuit
US5355243A (en) Direct detecting of optical PSK signals
EP0212667B1 (en) Communication system with variably repeated transmission of data blocks
US4481676A (en) Transmitter-receiver system for variable-rate digital data transmission via optical-fiber links
SE432859B (sv) Forfarande att overfora en extra informationskanal over ett transmissionsmedium
JPH0210929A (ja) 光学伝送システム
US4561118A (en) Bus system with optical waveguides having collision detection
JPH10502790A (ja) データスライサ
GB1479028A (en) Data transmission systems
GB2099262A (en) Arrangement for checking the synchronisation of a receiver
GB2003367A (en) High speed transmission of binary data over an fm communications system
EP0111968B1 (en) Transmission system for the transmission of binary data symbols
US4644563A (en) Data transmission method and system
US6486985B1 (en) Method for transmitting an additional data signal and a useful data signal in an optical network
CA1109932A (en) Unipolar to bipolar converter
CA2194022C (en) Wireless communications systems with self threshold setting
DE69636981T2 (de) Übertragungssystem für ein nichtlineares übertragungsmedium
JPS6333818B2 (en, 2012)
US20030043446A1 (en) Optical modulator which optimizes NRZ modulation
GB2109202A (en) Code generator
RU2011300C1 (ru) Многопараметрическая адаптивная цифровая система радиосвязи

Legal Events

Date Code Title Description
MKEX Expiry