NO964774D0 - Demodulatortrinn for direkte demodulering av et signal modulert i fasekvadratur, og mottager med sådant trinn - Google Patents

Demodulatortrinn for direkte demodulering av et signal modulert i fasekvadratur, og mottager med sådant trinn

Info

Publication number
NO964774D0
NO964774D0 NO964774A NO964774A NO964774D0 NO 964774 D0 NO964774 D0 NO 964774D0 NO 964774 A NO964774 A NO 964774A NO 964774 A NO964774 A NO 964774A NO 964774 D0 NO964774 D0 NO 964774D0
Authority
NO
Norway
Prior art keywords
receives
signal modulated
phase quadrature
demodulator stage
direct demodulation
Prior art date
Application number
NO964774A
Other languages
English (en)
Other versions
NO964774L (no
Inventor
Michel Comte
Gerard Leclerc
Original Assignee
Alcatel Telspace
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 Alcatel Telspace filed Critical Alcatel Telspace
Publication of NO964774D0 publication Critical patent/NO964774D0/no
Publication of NO964774L publication Critical patent/NO964774L/no

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NO964774A 1995-11-13 1996-11-11 Demodulatortrinn for direkte demodulering av et signal modulert i fasekvadratur, og mottager med sådant trinn NO964774L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9513417A FR2741221B1 (fr) 1995-11-13 1995-11-13 Etage de demodulation directe d'un signal module en quadrature de phase et recepteur comprenant un tel etage de demodulation

Publications (2)

Publication Number Publication Date
NO964774D0 true NO964774D0 (no) 1996-11-11
NO964774L NO964774L (no) 1997-05-14

Family

ID=9484505

Family Applications (1)

Application Number Title Priority Date Filing Date
NO964774A NO964774L (no) 1995-11-13 1996-11-11 Demodulatortrinn for direkte demodulering av et signal modulert i fasekvadratur, og mottager med sådant trinn

Country Status (5)

Country Link
US (1) US5760645A (no)
EP (1) EP0773654A1 (no)
CA (1) CA2190178A1 (no)
FR (1) FR2741221B1 (no)
NO (1) NO964774L (no)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6466773B1 (en) * 1997-05-15 2002-10-15 Harris Corporation Reflective power splitter for redundant receivers
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6434199B1 (en) * 1998-10-20 2002-08-13 Trw Inc. 2N-QAM macrocell
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
DE102004054442A1 (de) * 2004-11-10 2006-05-24 Fh Aachen Antennenarchitektur und Koppler
US10225129B2 (en) * 2017-03-30 2019-03-05 Edward P. Callaghan Method and apparatus for the extrication of quadrature pairs of amplitude modulated signals from intermingled extraneous signals
US11329375B1 (en) 2020-02-13 2022-05-10 Rockwell Collins, Inc. Differential quadrature radiating elements and feeds

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337468A1 (fr) * 1975-12-29 1977-07-29 Trt Telecom Radio Electr Discriminateur de phase pour recepteur d'un systeme de transmission de donnees
JPS55132132A (en) * 1979-03-30 1980-10-14 Nec Corp Phase synchronizing circuit
JPS5676637A (en) * 1979-11-29 1981-06-24 Fujitsu Ltd Phase synchronizing circuit
US4379264A (en) * 1980-08-11 1983-04-05 Mobil Oil Corporation Broadband phase shifter
GB2101821B (en) * 1981-07-16 1984-11-14 Standard Telephones Cables Ltd Radio receiver for frequency shift keyed signals
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
JP2563338B2 (ja) * 1987-06-02 1996-12-11 松下電器産業株式会社 低雑音コンバ−タ
US5285120A (en) * 1988-09-15 1994-02-08 Rockwell International Corporation Broadband phase splitter
JP3148043B2 (ja) * 1993-05-06 2001-03-19 富士通株式会社 復調装置
US5442582A (en) * 1994-03-04 1995-08-15 Loral Aerospace Corp. Transversal filter allrate equalizer for use at intermediate frequency

Also Published As

Publication number Publication date
FR2741221B1 (fr) 1997-12-05
FR2741221A1 (fr) 1997-05-16
US5760645A (en) 1998-06-02
CA2190178A1 (fr) 1997-05-14
NO964774L (no) 1997-05-14
EP0773654A1 (fr) 1997-05-14

Similar Documents

Publication Publication Date Title
NO964774D0 (no) Demodulatortrinn for direkte demodulering av et signal modulert i fasekvadratur, og mottager med sådant trinn
DE69841295D1 (de) Regenerierung von In-Phase- und Quadratursignalen
FI964793A (fi) Menetelmä digitaalisessa kvadratuurimodulaattorissa ja kvadratuuridemolulaattorissa, digitaalinen kvadratuurimodulaattori ja kvadratuuridemodulaattori
DE69426957D1 (de) Nachlauffilter und Phasenquadraturreferenzgenerator
DE69818933D1 (de) Korrektur von Phasen- und/oder Frequenzverschiebungen in Mehrträgersignalen
FI99252C (fi) Yhdistetty radiosignaalin modulointi- ja monikäyttömenetelmä
DE68916115D1 (de) Verfahren zur Demodulation eines mit kontinuierlicher Phase und konstanter Umhüllung digital-modulierten Signals.
AU642957B2 (en) Arrangement for converting binary input signal into corresponding in-phase and quadrature phase signals
NO912819L (no) Demodulasjon av digitalt modulert signal.
FI981309A0 (fi) Laitteisto ja menetelmä moduloidun signaalin demoduloimiseksi
GB0001688D0 (en) Demodulator and demodulation method for demodulating quadrature modulation signals
DE69835327D1 (de) Detektorschaltung zur Phasensynchronisierung und Demodulator
DE69633961D1 (de) Modulator und Demodulator (Modem)
EP0413153A3 (en) Quadrature phase demodulation using a training sequence and a local signal offset from the received carrier frequency
GB9317694D0 (en) Modulation and demodulation system using special training pattern
FR2770056B1 (fr) Demodulateur, circuit de recuperation de signal d'horloge, procede de demodulation et procede de recuperation de signal d'horloge
FR2739239B1 (fr) Dispositif de correction d'un defaut de quadrature d'un modulateur en quadrature et/ou d'un demodulateur d'un signal a pluralite d'etats de phase, emetteur et recepteur correspondants
AU1776297A (en) Phase shift keying signal demodulation method and device
DE69705081D1 (de) Synchronermittlungs- und Demodulationsschaltung
DE69732540D1 (de) Digitales Modulationsverfahren und Schaltung, digitales Demodulationsverfahren und Schaltung
FI932519A (fi) Menetelmä digitaalisesti moduloidun signaalin demoduloimiseksi sekä demodulaattori
FI981107A (fi) Menetelmä ja laite yhdistetyn amplitodi- ja vaihe-eromoduloinnin aikaansaamiseksi vakioverhokäyrällä
GB2276798B (en) Differentially encoding quadrature phase shift keying modulation method and apparatus thereof
DE69733993D1 (de) Korrektur von Gleichstrom- und Phasenverschiebungen in PSK-Empfängern
GB9317599D0 (en) Modulation and demodulation system

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application