FI972786A0 - Digitaalisesti kompensoitu suoranmuunnoksen vastaanotin - Google Patents

Digitaalisesti kompensoitu suoranmuunnoksen vastaanotin

Info

Publication number
FI972786A0
FI972786A0 FI972786A FI972786A FI972786A0 FI 972786 A0 FI972786 A0 FI 972786A0 FI 972786 A FI972786 A FI 972786A FI 972786 A FI972786 A FI 972786A FI 972786 A0 FI972786 A0 FI 972786A0
Authority
FI
Finland
Prior art keywords
direct conversion
conversion receiver
digitally compensated
compensated direct
digitally
Prior art date
Application number
FI972786A
Other languages
English (en)
Swedish (sv)
Other versions
FI972786A7 (fi
FI114670B (fi
Inventor
Bjoern Lindquist
Martin Isberg
Heino Wendelrup
Martin Sallenhag
Kjell Gustafsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI972786A0 publication Critical patent/FI972786A0/fi
Publication of FI972786A7 publication Critical patent/FI972786A7/fi
Application granted granted Critical
Publication of FI114670B publication Critical patent/FI114670B/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • 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
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Superheterodyne Receivers (AREA)
FI972786A 1994-12-28 1997-06-27 Digitaalinen kompensointi suoramuuntovastaanottimessa FI114670B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/365,037 US5579347A (en) 1994-12-28 1994-12-28 Digitally compensated direct conversion receiver
US36503794 1994-12-28
SE9501546 1995-12-19
PCT/SE1995/001546 WO1996020539A1 (en) 1994-12-28 1995-12-19 Digitally compensated direct conversion receiver

Publications (3)

Publication Number Publication Date
FI972786A0 true FI972786A0 (fi) 1997-06-27
FI972786A7 FI972786A7 (fi) 1997-08-22
FI114670B FI114670B (fi) 2004-11-30

Family

ID=23437213

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972786A FI114670B (fi) 1994-12-28 1997-06-27 Digitaalinen kompensointi suoramuuntovastaanottimessa

Country Status (14)

Country Link
US (1) US5579347A (fi)
EP (2) EP0835557B1 (fi)
JP (1) JPH10513616A (fi)
KR (1) KR100379723B1 (fi)
CN (2) CN1086066C (fi)
AU (1) AU698865B2 (fi)
BR (1) BR9510108A (fi)
CA (1) CA2208850A1 (fi)
DE (2) DE69533175T2 (fi)
FI (1) FI114670B (fi)
NO (1) NO972985L (fi)
PL (1) PL184618B1 (fi)
RU (1) RU2146416C1 (fi)
WO (1) WO1996020539A1 (fi)

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US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
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US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
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US6373909B2 (en) * 1999-10-22 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6631170B1 (en) * 1999-12-03 2003-10-07 Nokia Corporation Radio frequency receiver
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
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RU2542939C1 (ru) * 2013-10-09 2015-02-27 Общество с ограниченной ответственностью "Алсет Веллен" Приемник прямого преобразования с квадратурно-трехфазной архитектурой, способ прямого преобразования сигнала посредством указанного приемника и способ управления настройкой указанного приемника
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KR20240078786A (ko) 2022-11-28 2024-06-04 주식회사 피오 다공성 멤브레인 초음파진동 절단장치
KR102775710B1 (ko) 2024-10-18 2025-03-05 에스피씨케이(주) 파이프연결용 커플링 나사산 자동가공방법
KR102901723B1 (ko) 2024-10-22 2025-12-31 동서대학교 산학협력단 적설 제거형 낙하물 방지망 지지기구

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Also Published As

Publication number Publication date
DE69535256D1 (de) 2006-11-16
CN1146119C (zh) 2004-04-14
PL321059A1 (en) 1997-11-24
CA2208850A1 (en) 1996-07-04
CN1392672A (zh) 2003-01-22
FI972786A7 (fi) 1997-08-22
AU4359696A (en) 1996-07-19
BR9510108A (pt) 1997-11-25
DE69533175T2 (de) 2005-07-14
CN1086066C (zh) 2002-06-05
NO972985L (no) 1997-08-25
JPH10513616A (ja) 1998-12-22
EP1391997A3 (en) 2004-06-02
FI114670B (fi) 2004-11-30
KR100379723B1 (ko) 2003-06-09
CN1175328A (zh) 1998-03-04
NO972985D0 (no) 1997-06-26
MX9704753A (es) 1997-10-31
EP0835557A1 (en) 1998-04-15
EP1391997B1 (en) 2006-10-04
RU2146416C1 (ru) 2000-03-10
PL184618B1 (pl) 2002-11-29
AU698865B2 (en) 1998-11-12
WO1996020539A1 (en) 1996-07-04
US5579347A (en) 1996-11-26
EP0835557B1 (en) 2004-06-16
DE69533175D1 (de) 2004-07-22
EP1391997A2 (en) 2004-02-25

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