CA2004860A1 - Recepteur numerique de signaux multiplexes en frequence a rendement eleve - Google Patents

Recepteur numerique de signaux multiplexes en frequence a rendement eleve

Info

Publication number
CA2004860A1
CA2004860A1 CA2004860A CA2004860A CA2004860A1 CA 2004860 A1 CA2004860 A1 CA 2004860A1 CA 2004860 A CA2004860 A CA 2004860A CA 2004860 A CA2004860 A CA 2004860A CA 2004860 A1 CA2004860 A1 CA 2004860A1
Authority
CA
Canada
Prior art keywords
digital
division multiplexed
frequency division
centered
frequency
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.)
Granted
Application number
CA2004860A
Other languages
English (en)
Other versions
CA2004860C (fr
Inventor
Wade J. Stone
Kikuo Ichiroku
Edwin A. Kelley
Don C. Devendorf
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of CA2004860A1 publication Critical patent/CA2004860A1/fr
Application granted granted Critical
Publication of CA2004860C publication Critical patent/CA2004860C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
CA002004860A 1989-01-05 1989-12-07 Recepteur numerique de signaux multiplexes en frequence a rendement eleve Expired - Fee Related CA2004860C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US293,894 1989-01-05
US07/293,894 US5058107A (en) 1989-01-05 1989-01-05 Efficient digital frequency division multiplexed signal receiver

Publications (2)

Publication Number Publication Date
CA2004860A1 true CA2004860A1 (fr) 1990-07-05
CA2004860C CA2004860C (fr) 1994-03-15

Family

ID=23131023

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002004860A Expired - Fee Related CA2004860C (fr) 1989-01-05 1989-12-07 Recepteur numerique de signaux multiplexes en frequence a rendement eleve

Country Status (9)

Country Link
US (1) US5058107A (fr)
EP (1) EP0377509B1 (fr)
JP (1) JPH02244922A (fr)
KR (1) KR930002085B1 (fr)
AU (1) AU606007B2 (fr)
CA (1) CA2004860C (fr)
DE (1) DE69028416T2 (fr)
ES (1) ES2091219T3 (fr)
IL (1) IL92883A (fr)

Families Citing this family (52)

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Publication number Priority date Publication date Assignee Title
US5280636A (en) * 1991-06-13 1994-01-18 Hughes Aircraft Company Multi-band digital receiving apparatus and method with bandwidth reduction
CA2066540C (fr) * 1991-06-13 1998-01-20 Edwin A. Kelley Appareil et methode numeriques de reception de signaux a multiplexage temporel
CA2066851C (fr) * 1991-06-13 1996-08-06 Edwin A. Kelley Appareil et methode de reception de signaux numeriques par plusieurs utilisateurs utilisant des canaux multifrequence
US5289464A (en) * 1992-09-21 1994-02-22 At&T Bell Laboratories Frequency-multiplexed cellular telephone cell site base station and method of operating the same
US5697078A (en) * 1994-03-25 1997-12-09 Steinbrecher Corporation Wideband channel sniffer for monitoring channel use in a wireless communication system
WO1996008078A1 (fr) * 1994-09-02 1996-03-14 Philips Electronics N.V. Recepteur avec etape de decimation en quadrature et procede de traitement de signaux numeriques
WO1996021292A1 (fr) * 1994-12-29 1996-07-11 Motorola Inc. Procede et dispositif de numerisation de frequences a large bande
US8280334B2 (en) 1996-02-05 2012-10-02 American Radio Llc System and method for radio signal reconstruction using signal processor
US5864754A (en) * 1996-02-05 1999-01-26 Hotto; Robert System and method for radio signal reconstruction using signal processor
US6026129A (en) * 1996-03-27 2000-02-15 Matsushita Electric Industrial Co., Ltd. Radio receiving apparatus for receiving communication signals of different bandwidths
JP2738385B2 (ja) * 1996-04-15 1998-04-08 日本電気株式会社 可変帯域幅周波数分割多重通信方式
US6473602B1 (en) 1996-10-28 2002-10-29 Ericsson Inc. Mobile assisted handoff in radiocommunication systems
EP0919083B1 (fr) * 1997-03-21 2003-05-14 Koninklijke Philips Electronics N.V. Recepteur avec convertisseur de frequence d'echantillonnage simplifie
US6195537B1 (en) * 1997-09-25 2001-02-27 Lucent Technologies, Inc. Method and apparatus for strong signal suppression in multi-carrier signals
US6321075B1 (en) * 1998-07-30 2001-11-20 Qualcomm Incorporated Hardware-efficient transceiver with delta-sigma digital-to-analog converter
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
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
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
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
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
US7027786B1 (en) 1998-10-21 2006-04-11 Parkervision, Inc. Carrier and clock recovery using universal frequency translation
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder and embodiments thereof, such as the family radio service
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
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
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
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
US6477182B2 (en) * 1999-06-08 2002-11-05 Diva Systems Corporation Data transmission method and apparatus
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6963734B2 (en) * 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
US7292835B2 (en) 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7554508B2 (en) 2000-06-09 2009-06-30 Parker Vision, Inc. Phased array antenna applications on universal frequency translation
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
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
US7085335B2 (en) * 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US6975848B2 (en) 2002-06-04 2005-12-13 Parkervision, Inc. Method and apparatus for DC offset removal in a radio frequency communication channel
US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
CA2825707A1 (fr) * 2011-01-21 2012-07-26 Tommy Yu Systemes et procedes permettant de selectionner des canaux de contenu numerique a l'aide de convertisseurs a faible bruit comprenant des commutateurs de canaliseur numerique
US9184771B2 (en) * 2011-10-12 2015-11-10 Optis Cellular Technology, Llc Digital down conversion and demodulation
US11707233B1 (en) * 2022-12-16 2023-07-25 Wisear Simultaneous sub-Nyquist acquisition of a plurality of bioelectric signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188920A5 (fr) * 1972-06-15 1974-01-18 Trt Telecom Radio Electr
GB1517172A (en) * 1974-06-28 1978-07-12 Trt Telecom Radio Electr Telecommunication system
FR2315809A1 (fr) * 1975-06-24 1977-01-21 Trt Telecom Radio Electr Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence
US4375691A (en) * 1980-09-26 1983-03-01 Minnesota Mining & Manufacturing Co. Method and device for frequency translation
US4590595A (en) * 1983-03-28 1986-05-20 Yo Morimura Apparatus for detecting in-band single frequency signaling tones from FDM channels
GB2177876A (en) * 1985-07-08 1987-01-28 Philips Electronic Associated Radio system and a transmitter and a receiver for use in the system
EP0235264A4 (fr) * 1985-09-03 1990-02-26 Motorola Inc Recepteur de frequence radio numerique.
US4653117A (en) * 1985-11-18 1987-03-24 Motorola, Inc. Dual conversion FM receiver using phase locked direct conversion IF
JPS63152231A (ja) * 1986-12-16 1988-06-24 Sharp Corp Ｒｆコンバ−タ回路
US4884265A (en) * 1987-04-30 1989-11-28 Loral Corporation Digital demodulator for frequency-division-multiplexed signals
DE8706928U1 (de) * 1987-05-14 1987-08-06 ANT Nachrichtentechnik GmbH, 7150 Backnang Filterbank
US4800573A (en) * 1987-11-19 1989-01-24 American Telephone And Telegraph Company Equalization arrangement

Also Published As

Publication number Publication date
KR900012444A (ko) 1990-08-04
US5058107A (en) 1991-10-15
EP0377509A2 (fr) 1990-07-11
EP0377509A3 (fr) 1992-05-06
IL92883A0 (en) 1990-09-17
KR930002085B1 (ko) 1993-03-26
DE69028416D1 (de) 1996-10-17
EP0377509B1 (fr) 1996-09-11
ES2091219T3 (es) 1996-11-01
AU606007B2 (en) 1991-01-24
IL92883A (en) 1994-02-27
AU4763290A (en) 1990-07-12
CA2004860C (fr) 1994-03-15
DE69028416T2 (de) 1997-01-30
JPH02244922A (ja) 1990-09-28

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