JPH10504952A - 直接変換受信機 - Google Patents

直接変換受信機

Info

Publication number
JPH10504952A
JPH10504952A JP8533843A JP53384396A JPH10504952A JP H10504952 A JPH10504952 A JP H10504952A JP 8533843 A JP8533843 A JP 8533843A JP 53384396 A JP53384396 A JP 53384396A JP H10504952 A JPH10504952 A JP H10504952A
Authority
JP
Japan
Prior art keywords
phase
circuit
signal
output
quadrature
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.)
Pending
Application number
JP8533843A
Other languages
English (en)
Japanese (ja)
Inventor
ナイジェル スミス クリストファー
Original Assignee
ロウク マナー リサーチ リミテッド
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 ロウク マナー リサーチ リミテッド filed Critical ロウク マナー リサーチ リミテッド
Publication of JPH10504952A publication Critical patent/JPH10504952A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/233Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/30Circuits for homodyne or synchrodyne receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP8533843A 1995-05-10 1995-05-10 直接変換受信機 Pending JPH10504952A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB1995/001058 WO1996036104A1 (en) 1994-02-22 1995-05-10 A direct conversion receiver

Publications (1)

Publication Number Publication Date
JPH10504952A true JPH10504952A (ja) 1998-05-12

Family

ID=10768263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8533843A Pending JPH10504952A (ja) 1995-05-10 1995-05-10 直接変換受信機

Country Status (12)

Country Link
US (1) US5943370A (en, 2012)
EP (1) EP0772905B1 (en, 2012)
JP (1) JPH10504952A (en, 2012)
AU (1) AU711257B2 (en, 2012)
CA (1) CA2194695C (en, 2012)
DE (1) DE69515312T2 (en, 2012)
DK (1) DK0772905T3 (en, 2012)
FI (1) FI970028A7 (en, 2012)
GB (1) GB2286950B (en, 2012)
NO (1) NO970095D0 (en, 2012)
TW (1) TW269079B (en, 2012)
WO (1) WO1996036104A1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011016205A1 (ja) * 2009-08-05 2011-02-10 パナソニック株式会社 受信装置及び受信方法

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536527C2 (de) * 1995-09-29 1998-05-07 Siemens Ag Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen
DE19536526A1 (de) * 1995-09-29 1997-04-03 Siemens Ag Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen unterschiedlicher Frequenz
JP3902661B2 (ja) * 1996-05-09 2007-04-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 受信機、復調器および復調方法
DE19735798C1 (de) * 1997-08-18 1998-07-16 Siemens Ag Sendeempfänger
GB2332109B (en) * 1997-12-04 2001-06-27 Nec Technologies Direct conversion receiver pre-selection
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
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
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
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7321735B1 (en) 1998-10-21 2008-01-22 Parkervision, Inc. Optical down-converter using universal frequency translation technology
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
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
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
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
US6587678B1 (en) * 1999-03-02 2003-07-01 Skyworks Solutions, Inc. Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor
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
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
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
JP2000270035A (ja) * 1999-03-18 2000-09-29 Oki Electric Ind Co Ltd データ復調装置
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
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
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
US6711397B1 (en) 2000-11-20 2004-03-23 Ami Semiconductor, Inc. Structures and methods for direct conversion from radio frequency modulated signals to baseband signals
US7076225B2 (en) 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
TW499112U (en) * 2001-03-02 2002-08-11 Macronix Int Co Ltd Tangent angle calculating device and DQPSK demodulator using the same
US6952572B2 (en) * 2001-06-20 2005-10-04 Freescale Semiconductor, Inc. Image rejection mixer with switchable high or low side injection
KR100424623B1 (ko) * 2001-11-06 2004-03-24 삼성전자주식회사 직접 변환 방식에 따른 이동 통신 단말의 수신 장치
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
KR100438444B1 (ko) * 2002-01-18 2004-07-03 삼성전자주식회사 무선통신시스템의 주파수 대역 할당 장치 및 방법
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
GB2390241A (en) * 2002-06-28 2003-12-31 Picochip Designs Ltd Homodyne radio receiver
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
US6745020B2 (en) 2002-08-29 2004-06-01 Eugene Rzyski Direct downconversion receiver
DE10361037A1 (de) * 2003-12-23 2005-07-28 Infineon Technologies Ag Verfahren und Vorrichtung zur Demodulation eines phasenmodulierten Signals
US20070115160A1 (en) * 2005-11-18 2007-05-24 Bendik Kleveland Self-referenced differential decoding of analog baseband signals
WO2010112189A1 (en) * 2009-04-02 2010-10-07 Wouter Erik Sebastiaan Couzijn Method for mixing a complex digital signal with a reference signal, mixer and digital-to-analogue converter using the method
US8731032B2 (en) * 2010-10-12 2014-05-20 Electronics And Telecommunications Research Institute Communication apparatus for continuous phase modulation signal
US8737549B2 (en) 2012-04-30 2014-05-27 Lsi Corporation Receiver having limiter-enhanced data eye openings
DE102016112682A1 (de) 2016-07-11 2018-01-11 Huntsman P&A Germany Gmbh Verfahren zur Herstellung von Titandioxid und das so erhaltene Titandioxid

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743775A (en) * 1972-01-12 1973-07-03 Collins Radio Co Data demodulator apparatus
GB2057820B (en) * 1979-09-04 1984-07-04 Standard Telephones Cables Ltd Radio receiver for fsk signals
US4384357A (en) * 1981-04-03 1983-05-17 Canadian Patens & Development Limited Self-synchronization circuit for a FFSK or MSK demodulator
US4475220A (en) * 1982-01-19 1984-10-02 Rca Corporation Symbol synchronizer for MPSK signals
GB2124840A (en) * 1982-07-02 1984-02-22 Philips Electronic Associated Data demodulator for digital signals
FR2543379B1 (fr) * 1983-03-25 1990-03-02 Thomson Csf Dispositif de demodulation directe en hyperfrequence et chaine de reception hyperfrequence comportant un tel dispositif
GB2148669A (en) * 1983-10-21 1985-05-30 Philips Electronic Associated Data receiver
US4893316A (en) * 1985-04-04 1990-01-09 Motorola, Inc. Digital radio frequency receiver
IT1199705B (it) * 1986-12-05 1988-12-30 Gte Telecom Spa Procedimento e circuito per l'acquisizione del sincronismo di portante in demodulatori coerenti
US4985684A (en) * 1989-08-31 1991-01-15 Motorola, Inc. Fully integrated digital FM discriminator
US5025455A (en) * 1989-11-30 1991-06-18 The United States Of America As Represented By The Administer, National Aeronautics And Space Administration Phase ambiguity resolution for offset QPSK modulation systems
US5042052A (en) * 1990-02-16 1991-08-20 Harris Corporation Carrier acquisition scheme for QAM and QPSK data
US5287351A (en) * 1990-11-27 1994-02-15 Scientific-Atlanta, Inc. Method and apparatus for minimizing error propagation in correlative digital and communication system
IL107656A (en) * 1993-11-18 1996-11-14 Dsp Telecomm Ltd Demodulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011016205A1 (ja) * 2009-08-05 2011-02-10 パナソニック株式会社 受信装置及び受信方法

Also Published As

Publication number Publication date
FI970028A7 (fi) 1997-01-10
GB2286950A (en) 1995-08-30
GB2286950B (en) 1998-06-17
GB9403318D0 (en) 1994-04-13
AU2414795A (en) 1996-11-29
EP0772905A1 (en) 1997-05-14
DE69515312T2 (de) 2000-06-21
DK0772905T3 (da) 2000-06-05
DE69515312D1 (de) 2000-04-06
NO970095L (no) 1997-01-09
CA2194695C (en) 2001-07-24
AU711257B2 (en) 1999-10-07
CA2194695A1 (en) 1996-11-14
NO970095D0 (no) 1997-01-09
EP0772905B1 (en) 2000-03-01
US5943370A (en) 1999-08-24
FI970028A0 (fi) 1997-01-03
TW269079B (en, 2012) 1996-01-21
WO1996036104A1 (en) 1996-11-14

Similar Documents

Publication Publication Date Title
JPH10504952A (ja) 直接変換受信機
CA2025232C (en) Carrier recovery system
KR20010072039A (ko) 직교 복조기에서의 미분 및 곱셈에 기반한 타이밍 회복
US4887280A (en) System for detecting the presence of a signal of a particular data rate
US5640427A (en) Demodulator
US4438524A (en) Receiver for angle-modulated carrier signals
JP3087459B2 (ja) Fskデータ復調器
US5506873A (en) Demodulator for a phase shift keying (PSK) signal
US5703913A (en) Timing signal generator
JPH0136745B2 (en, 2012)
JPH0621992A (ja) 復調器
CN1066870C (zh) 直接变频接收机
KR100368013B1 (ko) 직접변환수신기
JPH0723072A (ja) 検波方式
RU2175463C2 (ru) Радиоприемник прямого преобразования
EP0215166A2 (en) Digital communication system
JP2696948B2 (ja) 搬送波再生回路
US6246730B1 (en) Method and arrangement for differentially detecting an MPSK signal using a plurality of past symbol data
JPH09130440A (ja) 検波回路装置
JPH0748677B2 (ja) 等化器
JPH05304542A (ja) 復調方法及び復調器
JPS6339240A (ja) 符号化変調回路
JPS5928750A (ja) 復調器の切換装置
JPH066397A (ja) 遅延検波器
JPH07212423A (ja) データ受信装置