ATE399398T1 - Einrichtung und verfahren zum decodieren eines optischen mehrebenen-dpsk-signals - Google Patents

Einrichtung und verfahren zum decodieren eines optischen mehrebenen-dpsk-signals

Info

Publication number
ATE399398T1
ATE399398T1 AT05735115T AT05735115T ATE399398T1 AT E399398 T1 ATE399398 T1 AT E399398T1 AT 05735115 T AT05735115 T AT 05735115T AT 05735115 T AT05735115 T AT 05735115T AT E399398 T1 ATE399398 T1 AT E399398T1
Authority
AT
Austria
Prior art keywords
signals
electrical
level dpsk
decoding
signal
Prior art date
Application number
AT05735115T
Other languages
English (en)
Inventor
Michael Ohm
Timo Pfau
Original Assignee
Univ Stuttgart
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 Univ Stuttgart filed Critical Univ Stuttgart
Application granted granted Critical
Publication of ATE399398T1 publication Critical patent/ATE399398T1/de

Links

Classifications

    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
    • H04B10/677—Optical arrangements in the receiver for all-optical demodulation of the input optical signal for differentially modulated signal, e.g. DPSK signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/223—Demodulation in the optical domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
AT05735115T 2004-04-30 2005-04-28 Einrichtung und verfahren zum decodieren eines optischen mehrebenen-dpsk-signals ATE399398T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004021816A DE102004021816A1 (de) 2004-04-30 2004-04-30 Gerät und Methode zur optischen achtstufigen differentiellen Phasenumtastung (8-DPSK)

Publications (1)

Publication Number Publication Date
ATE399398T1 true ATE399398T1 (de) 2008-07-15

Family

ID=35219992

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05735115T ATE399398T1 (de) 2004-04-30 2005-04-28 Einrichtung und verfahren zum decodieren eines optischen mehrebenen-dpsk-signals

Country Status (5)

Country Link
US (1) US7941058B2 (de)
EP (1) EP1741212B1 (de)
AT (1) ATE399398T1 (de)
DE (2) DE102004021816A1 (de)
WO (1) WO2005107107A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004021816A1 (de) * 2004-04-30 2005-11-24 Universität Stuttgart Gerät und Methode zur optischen achtstufigen differentiellen Phasenumtastung (8-DPSK)
US7508889B2 (en) * 2005-11-15 2009-03-24 Alcatel-Lucent Usa Inc. Digital apparatus for soft detection of multi-chip DBPSK signals
JP2007274235A (ja) 2006-03-30 2007-10-18 Fujitsu Ltd 光ｄｑｐｓｋ受信器
JP4684180B2 (ja) 2006-06-30 2011-05-18 富士通株式会社 光受信装置
EP1973244A1 (de) * 2007-03-19 2008-09-24 Alcatel Lucent Demodulator und Demodulationsverfahren für optische DQPSK-modulierte Signale
JP4973362B2 (ja) * 2007-07-24 2012-07-11 富士通株式会社 光受信装置およびその制御方法
US8068742B2 (en) * 2008-07-10 2011-11-29 Finisar Corporation Phase shift keyed modulation of optical signal using chirp managed laser
WO2013079094A1 (en) * 2011-11-29 2013-06-06 Telefonaktiebolaget L M Ericsson (Publ) A method of converting an optical communications signal and an optical receiver
US11805161B2 (en) 2019-11-22 2023-10-31 Lisnr, Inc Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies
US10767974B1 (en) * 2019-12-10 2020-09-08 Rockwell Collins, Inc. Wide range optical wavelength fast detection for narrowband signal
WO2022036076A1 (en) * 2020-08-13 2022-02-17 Lisnr Encoding strategy selection for data transfer using audio transmissions

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807253A (en) * 1987-11-13 1989-02-21 American Telephone And Telegraph Company, At&T Bell Laboratories Time-varying trellis-coded modulation formats which are robust in channels with phase variations
GB2259419A (en) * 1991-09-06 1993-03-10 Northern Telecom Ltd Direct detection of optical PSK signals
US6469817B1 (en) * 1999-06-18 2002-10-22 Trw Inc. Apparatus and method employing two optical signals for stabilizing an optical interferometer
US6175320B1 (en) * 1999-06-18 2001-01-16 Trw Inc. All optical analog-to-digital converter employing an improved stabilized optical interferometer
US6266173B1 (en) * 1999-10-20 2001-07-24 Hrl Laboratories, Llc Optical FM receiver
EP1233587B1 (de) * 2000-10-13 2010-12-15 Mitsubishi Denki Kabushiki Kaisha Verfahren und einrichtung zur optischen übertragung
GB2370473B (en) * 2000-12-21 2004-04-07 Marconi Caswell Ltd Improvements in or relating to optical communication
EP1371200B1 (de) * 2001-03-01 2011-10-12 Broadcom Corporation Ausgleich von durch kanal oder empfänger verursachten verzerrungen bei paralleler übertragung
US7187871B1 (en) * 2001-04-11 2007-03-06 Massaschusetts Institute Of Technology Interferometric communication system and method
WO2003092237A1 (en) * 2002-04-23 2003-11-06 Quellan, Inc. Combined ask/dpsk modulation system
US7877019B2 (en) * 2002-10-16 2011-01-25 Tyco Electronics Subsea Communications Llc Optical receiver including a system and method of controlling gain of an optical amplifier
US7460793B2 (en) * 2002-12-11 2008-12-02 Michael George Taylor Coherent optical detection and signal processing method and system
US7272327B2 (en) * 2003-04-29 2007-09-18 Nortel Networks Limited Multi-detector detection of optical signals
US7450863B2 (en) * 2003-06-18 2008-11-11 Lucent Technologies Inc. Optical receiver for wavelength-division-multiplexed signals
US7558479B1 (en) * 2004-04-15 2009-07-07 Nortel Networks Limited Analysis and control of optical communications systems
DE102004021816A1 (de) * 2004-04-30 2005-11-24 Universität Stuttgart Gerät und Methode zur optischen achtstufigen differentiellen Phasenumtastung (8-DPSK)
US7433604B1 (en) * 2004-07-21 2008-10-07 University Of Central Florida Research Foundation, Inc. Direct-detection optical differential 8-level phase shift keying (OD8PSK) for spectrally efficient transmission

Also Published As

Publication number Publication date
US7941058B2 (en) 2011-05-10
WO2005107107A3 (en) 2006-03-16
EP1741212B1 (de) 2008-06-25
WO2005107107A2 (en) 2005-11-10
US20080166126A1 (en) 2008-07-10
EP1741212A2 (de) 2007-01-10
DE602005007727D1 (de) 2008-08-07
DE102004021816A1 (de) 2005-11-24

Similar Documents

Publication Publication Date Title
DE602005007727D1 (de) Einrichtung und verfahren zum decodieren eines optischen mehrebenen-dpsk-signals
DE60135228D1 (de) Verfahren und gerät zum behandeln eines modulierten signals unter verwendung eines entzerrers und eines rake-empfängers
ATE532122T1 (de) Identifizieren von mobilen einrichtungen
WO2023108139A3 (en) Multi-resolution in situ decoding
ATE305197T1 (de) Verfahren zur datenübertragung in einem kommunikationssystem
EP3032763A3 (de) Bestimmung des optischen in-band-signal-rausch-verhältnisses bei polarisationsmultiplexten optischen signalen mithilfe von signalkorrelationen
BRPI0802613A2 (pt) métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto
ATE409938T1 (de) Vorrichtung und verfahren zur wiederherstellung eines multikanal-audiosignals und zum erzeugen eines parameterdatensatzes hierfür
ATE421791T1 (de) Verfahren und vorrichtung zur arcerkennung in einem plasmaprozess
DE602005016819D1 (de) Verfahren und vorrichtung zur dekodierung eines signals eines multi-input-/multi-output-systems
ATE522035T1 (de) Verfahren und system zur verarbeitung von optischen signalen
EP2056462A3 (de) System und Verfahren zur Datenverarbeitung
DE60326578D1 (de) Wiedereinbettung von wasserzeichen in multimediasignalen
AU2003296411A8 (en) Coherent optical detection and signal processing method and system
ATE478417T1 (de) Verfahren und vorrichtung zum verarbeiten codierter audiodaten
ATE514245T1 (de) Verfahren und vorrichtung zur bestimmung von verwürfelungscodes für die signalübertragung
TW200632787A (en) Methods and apparatuses for video encoding
EP1538797A3 (de) Elektrische Übertragung über die Rückwand mittels dobinärer Signalisierung
DE60232537D1 (de) Verfahren und Apparat zur Dekodierung von Lattice Codes und Multilevel Coset Codes
TW200746842A (en) Apparatus for processing media signal and method thereof
DE602006016749D1 (de) Vorrichtung und verfahren zur zweistufigen dekodierung von hochdichten optischen symbolen
WO2006049704A3 (en) Methods and apparatus for dynamic signal processing
WO2002029357A3 (en) Method and apparatus for evaluating integrated circuit packages having three dimensional features
TW200511325A (en) Apparatus and method for detecting binary data
TW200703356A (en) Data output device and method of semiconductor device

Legal Events

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