FR2702903B1 - Récepteur de signaux radiofréquences. - Google Patents

Récepteur de signaux radiofréquences.

Info

Publication number
FR2702903B1
FR2702903B1 FR9303067A FR9303067A FR2702903B1 FR 2702903 B1 FR2702903 B1 FR 2702903B1 FR 9303067 A FR9303067 A FR 9303067A FR 9303067 A FR9303067 A FR 9303067A FR 2702903 B1 FR2702903 B1 FR 2702903B1
Authority
FR
France
Prior art keywords
receiver
radio frequency
frequency signals
signals
radio
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 - Fee Related
Application number
FR9303067A
Other languages
English (en)
Other versions
FR2702903A1 (fr
Inventor
Luigi Bella
Javier Ventura-Traveset Bosch
Irene Echaniz-Elgarresta
Gerhard Hoffmann
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.)
Agence Spatiale Europeenne
Original Assignee
Agence Spatiale Europeenne
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 Agence Spatiale Europeenne filed Critical Agence Spatiale Europeenne
Priority to FR9303067A priority Critical patent/FR2702903B1/fr
Publication of FR2702903A1 publication Critical patent/FR2702903A1/fr
Application granted granted Critical
Publication of FR2702903B1 publication Critical patent/FR2702903B1/fr
Priority to US08/575,911 priority patent/US5630227A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18515—Transmission equipment in satellites or space-based relays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18517—Transmission equipment in earth stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Superheterodyne Receivers (AREA)
FR9303067A 1993-03-17 1993-03-17 Récepteur de signaux radiofréquences. Expired - Fee Related FR2702903B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9303067A FR2702903B1 (fr) 1993-03-17 1993-03-17 Récepteur de signaux radiofréquences.
US08/575,911 US5630227A (en) 1993-03-17 1995-12-20 Satellite receiver having analog-to-digital converter demodulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9303067A FR2702903B1 (fr) 1993-03-17 1993-03-17 Récepteur de signaux radiofréquences.

Publications (2)

Publication Number Publication Date
FR2702903A1 FR2702903A1 (fr) 1994-09-23
FR2702903B1 true FR2702903B1 (fr) 1995-05-24

Family

ID=9445058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9303067A Expired - Fee Related FR2702903B1 (fr) 1993-03-17 1993-03-17 Récepteur de signaux radiofréquences.

Country Status (2)

Country Link
US (1) US5630227A (fr)
FR (1) FR2702903B1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6134429A (en) * 1998-04-10 2000-10-17 Vlsi Technology, Inc. Direct digital down conversion of a 10.8 MHz intermediate frequency signal in the personal handy phone system
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
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
JP2972740B1 (ja) * 1998-09-01 1999-11-08 静岡日本電気株式会社 ４値ｆｓｋ受信機およびその信号判定方法
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
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
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
GB9826665D0 (en) * 1998-12-03 1999-01-27 Nokia Telecommunications Oy A receiver and method of receiving
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
US6895232B2 (en) * 1999-05-07 2005-05-17 Conexant Systems, Inc. Method and apparatus for receiving radio frequency signals
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
WO2003032522A2 (fr) * 2001-10-08 2003-04-17 Qinetiq Limited Systeme et procede de traitement de signaux
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
DE102004025472A1 (de) * 2004-05-21 2005-12-15 Micronas Gmbh Verfahren bzw. Datenverarbeitungsvorrichtung zum Verarbeiten von digitalen Daten eines Signals
JP2008527378A (ja) * 2005-01-11 2008-07-24 イノベーション エンジニアリング、エルエルシー 負荷に供給されたｒｆ電力およびその負荷の複素インピーダンスを検出する方法
US8604888B2 (en) * 2009-12-23 2013-12-10 Sand 9, Inc. Oscillators having arbitrary frequencies and related systems and methods
US8228127B2 (en) 2009-12-23 2012-07-24 Sand 9, Inc. Oscillators having arbitrary frequencies and related systems and methods
US8704604B2 (en) 2009-12-23 2014-04-22 Sand 9, Inc. Oscillators having arbitrary frequencies and related systems and methods
US8630211B2 (en) 2010-06-30 2014-01-14 Qualcomm Incorporated Hybrid radio architecture for repeaters using RF cancellation reference

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1059490B (it) * 1976-04-22 1982-05-31 C S E L T Spa Demodulatore numerico con interpolazione per segnali dati modulati linearmente in ampiezza
US4144495A (en) * 1977-02-23 1979-03-13 Communications Satellite Corporation Satellite switching system
DE3107630C2 (de) * 1981-02-27 1982-12-02 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zur Duplex-Datenübertragung über eine Zweidrahtleitung
DE3375351D1 (en) * 1983-10-21 1988-02-18 Ant Nachrichtentech Process for the transmission of information services by satellites
US5140694A (en) * 1989-08-23 1992-08-18 At&T Bell Laboratories Anti-intrusion defeator and locator for communication satellites
US5151926A (en) * 1991-05-21 1992-09-29 General Electric Company Sample timing and carrier frequency estimation circuit for sine-cosine detectors
WO1994005087A1 (fr) * 1992-08-25 1994-03-03 Wireless Access, Inc. Recepteur a conversion directe pour protocoles multiples

Also Published As

Publication number Publication date
FR2702903A1 (fr) 1994-09-23
US5630227A (en) 1997-05-13

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Legal Events

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ST Notification of lapse

Effective date: 20091130