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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
EP2748996B1 (de) * 2011-11-29 2016-01-27 Telefonaktiebolaget LM Ericsson (Publ) Verfahren zur umwandlung eines optischen kommunikationssignals und optischer empfänger
US11805161B2 (en) * 2019-11-22 2023-10-31 Lisnr, Inc Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies
US11539449B2 (en) 2020-08-13 2022-12-27 Lisnr, Inc Encoding strategy selection for data transfer using audio transmissions
US10767974B1 (en) * 2019-12-10 2020-09-08 Rockwell Collins, Inc. Wide range optical wavelength fast detection for narrowband signal

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
US6175320B1 (en) * 1999-06-18 2001-01-16 Trw Inc. All optical analog-to-digital converter employing an improved stabilized optical interferometer
US6469817B1 (en) * 1999-06-18 2002-10-22 Trw Inc. Apparatus and method employing two optical signals for stabilizing an optical interferometer
US6266173B1 (en) * 1999-10-20 2001-07-24 Hrl Laboratories, Llc Optical FM receiver
JPWO2002033921A1 (ja) * 2000-10-13 2004-03-04 三菱電機株式会社 光伝送装置及び光伝送方法
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
AU2003223687A1 (en) * 2002-04-23 2003-11-10 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
DE102004021816A1 (de) 2005-11-24
DE602005007727D1 (de) 2008-08-07
WO2005107107A3 (en) 2006-03-16
US20080166126A1 (en) 2008-07-10
WO2005107107A2 (en) 2005-11-10
US7941058B2 (en) 2011-05-10
EP1741212A2 (de) 2007-01-10
EP1741212B1 (de) 2008-06-25

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