ATE476019T1 - Amps-empfängersystem mit einer null-zf- architektur - Google Patents

Amps-empfängersystem mit einer null-zf- architektur

Info

Publication number
ATE476019T1
ATE476019T1 AT03810032T AT03810032T ATE476019T1 AT E476019 T1 ATE476019 T1 AT E476019T1 AT 03810032 T AT03810032 T AT 03810032T AT 03810032 T AT03810032 T AT 03810032T AT E476019 T1 ATE476019 T1 AT E476019T1
Authority
AT
Austria
Prior art keywords
receiver system
digital
architecture
amps receiver
zero
Prior art date
Application number
AT03810032T
Other languages
English (en)
Inventor
Steven Ciccarelli
Arun Raghupathy
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE476019T1 publication Critical patent/ATE476019T1/de

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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Communication Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
AT03810032T 2002-01-25 2003-01-24 Amps-empfängersystem mit einer null-zf- architektur ATE476019T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35186802P 2002-01-25 2002-01-25
US10/160,873 US7024169B2 (en) 2002-01-25 2002-05-31 AMPS receiver using a zero-IF architecture
PCT/US2003/002221 WO2004049580A2 (en) 2002-01-25 2003-01-24 An amps receiver system using a zero-if architecture

Publications (1)

Publication Number Publication Date
ATE476019T1 true ATE476019T1 (de) 2010-08-15

Family

ID=27616247

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03810032T ATE476019T1 (de) 2002-01-25 2003-01-24 Amps-empfängersystem mit einer null-zf- architektur

Country Status (10)

Country Link
US (1) US7024169B2 (de)
EP (3) EP2093892A1 (de)
JP (2) JP4308145B2 (de)
AT (1) ATE476019T1 (de)
AU (1) AU2003302214A1 (de)
CA (1) CA2474350A1 (de)
DE (1) DE60333596D1 (de)
HK (1) HK1091047A1 (de)
RU (1) RU2308804C2 (de)
WO (1) WO2004049580A2 (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824986B1 (fr) * 2001-05-18 2003-10-31 St Microelectronics Sa Composant electronique permettant le decodage d'un canal de transmission radiofrequence vehiculant des informations numeriques codees, en particulier pour la telediffusion numerique par satellite
US7809087B2 (en) * 2002-04-26 2010-10-05 Qualcomm, Incorporated Power detection techniques and discrete gain state selection for wireless networking
US6868263B2 (en) * 2002-06-10 2005-03-15 Qualcomm Incorporated Digital automatic gain control
US7430406B2 (en) * 2002-11-08 2008-09-30 Qualcomm Incorporated Gain control in a wireless device
US7113760B1 (en) * 2003-04-29 2006-09-26 Ami Semiconductor, Inc. Direct conversion receiver for amplitude modulated signals using linear/log filtering
US7773702B2 (en) * 2004-05-03 2010-08-10 Qualcomm Incorporated Gain control for a receiver in a multi-carrier communication system
US7463704B1 (en) * 2004-07-01 2008-12-09 Atheros Communications, Inc. Multi-chain signal detection and gain control for automatic gain control systems
US7856070B2 (en) * 2004-08-16 2010-12-21 Broadcom Corporation Method and system for digital baseband receiver with digital RF/IF/VLIF support in GSM/GPRS/EDGE compliant handsets
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7353010B1 (en) * 2004-12-22 2008-04-01 Atheros Communications, Inc. Techniques for fast automatic gain control
CN101160718A (zh) * 2005-03-10 2008-04-09 高通股份有限公司 在无线移动设备工作期间在线跟踪模拟增益步幅的方法
US8605836B2 (en) * 2005-03-11 2013-12-10 Qualcomm Incorporated Automatic gain control for a wireless receiver
US8065079B2 (en) * 2005-03-31 2011-11-22 Qualcomm Incorporated System and method for indicating reminders via a portable computing device
US7486941B2 (en) * 2005-04-04 2009-02-03 Freescale Semiconductor, Inc. Method and apparatus for dynamic gain and phase compensations
JP4922677B2 (ja) 2005-07-01 2012-04-25 パナソニック株式会社 無線通信装置
WO2007020845A1 (ja) * 2005-08-12 2007-02-22 Neuro Solution Corp. ダイレクトコンバージョン受信機
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US7889820B2 (en) * 2006-01-05 2011-02-15 Qualcomm Incorporated Phase compensation for analog gain switching in OFDM modulated physical channel
US8031804B2 (en) * 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
JP2009545266A (ja) 2006-08-03 2009-12-17 エヌエックスピー ビー ヴィ 無線装置の自動利得制御における、またはそれに関する改善
US20080070521A1 (en) * 2006-09-12 2008-03-20 Honeywell International Inc. System and method for controlling gain of related signals
US7729675B2 (en) * 2006-12-08 2010-06-01 Silicon Laboratories Inc. Reducing noise during a gain change
IL180149A (en) * 2006-12-18 2012-06-28 David Eduar Sitbon Method of advertising by using computer multi-monitor monitors
IL180477A (en) 2007-01-01 2013-05-30 David Eduar Sitbon A system and method for proofreading and digital and multilateral repair within a meeting
FR2911462B1 (fr) * 2007-01-17 2009-06-26 St Microelectronics Sa Procede et dispositif de filtrage et de conversion analogique/numerique d'un signal analogique.
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US20090040107A1 (en) * 2007-06-12 2009-02-12 Hmicro, Inc. Smart antenna subsystem
US20090042527A1 (en) * 2007-06-12 2009-02-12 Hmicro Inc. Dynamic low power receiver
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
US20090097452A1 (en) * 2007-10-12 2009-04-16 Qualcomm Incorporated Femto cell synchronization and pilot search methodology
EP2210352B1 (de) * 2007-10-24 2020-05-06 LifeSignals, Inc. Systeme und netze für drahtlose halb- und vollduplexkommunikation unter verwendung mehrerer funkgeräte
GB2469420B (en) 2008-02-06 2012-10-17 Hmicro Inc Wireless communications systems using multiple radios
US20090268678A1 (en) * 2008-04-24 2009-10-29 Fujitsu Limited Method and apparatus for automatic gain control in a mobile orthogonal frequency division multiple access (ofdma) network
US8086199B2 (en) * 2008-05-22 2011-12-27 Cisco Technology, Inc. Sharing AGC loop between demodulator and spectrum analysis system
TW201042913A (en) 2009-05-04 2010-12-01 Maxlinear Inc Self-calibrating gain control system
CN101577559B (zh) * 2009-06-02 2014-02-19 北京天碁科技有限公司 接收机的相位补偿方法和装置
US8355752B2 (en) * 2009-07-09 2013-01-15 Qualcomm Incorporated Using LO shifting to prevent a local transceiver from interfering with an FM radio
JP5598243B2 (ja) * 2009-11-30 2014-10-01 株式会社Ｊｖｃケンウッド Ｆｍ検波器、信号補間方法、及びプログラム
US9319018B2 (en) 2009-12-04 2016-04-19 Telefonaktiebolaget L M Ericsson (Publ) Detection of radio signals in a receiver
JP2011166773A (ja) * 2010-02-11 2011-08-25 Korea Electronics Telecommun サブサンプリング技法を利用する受信器のデジタル処理構造
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
US8494469B2 (en) * 2011-10-24 2013-07-23 Spreadtrum Communications Usa Inc. Detection and mitigation of interference in a multimode receiver using variable bandwidth filter
US9503040B1 (en) * 2013-03-12 2016-11-22 Maxlinear Asia Singapore PTE LTD Method and apparatus for changing the gain of a radio frequency signal
EP2779510B1 (de) 2013-03-15 2018-10-31 BlackBerry Limited Statistische Gewichtung und Anpassung der Statusvariablen in einem Radio
US9197279B2 (en) 2013-03-15 2015-11-24 Blackberry Limited Estimation and reduction of second order distortion in real time
US8983486B2 (en) 2013-03-15 2015-03-17 Blackberry Limited Statistical weighting and adjustment of state variables in a radio
US8942656B2 (en) 2013-03-15 2015-01-27 Blackberry Limited Reduction of second order distortion in real time
US8811538B1 (en) * 2013-03-15 2014-08-19 Blackberry Limited IQ error correction
EP3047348A4 (de) 2013-09-17 2016-09-07 Parkervision Inc Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion
CN105897284A (zh) * 2015-10-26 2016-08-24 乐视移动智能信息技术（北京）有限公司 接收机与通信终端
KR102577947B1 (ko) * 2019-02-01 2023-09-14 삼성전자 주식회사 복수의 무선 통신 프로토콜을 지원하는 휴대용 통신 장치

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169030A (ja) * 1985-01-22 1986-07-30 Nec Corp 受信回路
US5134631A (en) * 1990-07-26 1992-07-28 Unisys Corp. Digital gain controller
US5083304A (en) 1990-09-28 1992-01-21 Motorola, Inc. Automatic gain control apparatus and method
US5263196A (en) * 1990-11-19 1993-11-16 Motorola, Inc. Method and apparatus for compensation of imbalance in zero-if downconverters
DE59108456D1 (de) * 1991-05-03 1997-02-13 Itt Ind Gmbh Deutsche Verfahren zur automatischen Suchlaufabstimmung von Satelliten-Fernsehtonträgern
JPH0637835A (ja) * 1992-07-20 1994-02-10 Japan Radio Co Ltd ダイレクトコンバージョン受信機
JP3399017B2 (ja) * 1993-05-06 2003-04-21 株式会社デンソー 位相同期装置
JP2705538B2 (ja) * 1993-09-22 1998-01-28 日本電気株式会社 Ｃｄｍａモード及びｆｍモードの共用受信機
JP3183078B2 (ja) * 1994-02-28 2001-07-03 三菱電機株式会社 制御信号生成回路、これを用いた自動利得制御回路、これを用いた受信機及びこれを用いた通信システム
TW294867B (de) 1994-12-23 1997-01-01 Qualcomm Inc
US5828955A (en) * 1995-08-30 1998-10-27 Rockwell Semiconductor Systems, Inc. Near direct conversion receiver and method for equalizing amplitude and phase therein
US6169733B1 (en) * 1997-05-12 2001-01-02 Northern Telecom Limited Multiple mode capable radio receiver device
JPH10327204A (ja) * 1997-05-26 1998-12-08 Nec Corp 等化器を用いた位相同期ループ回路
US6148047A (en) * 1998-05-06 2000-11-14 Philips Electronics North America Corporation DC offset compensation for zero if quadrature demodulator
US6411646B1 (en) 1998-06-30 2002-06-25 Conexant Systems, Inc. Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone
JP2000124818A (ja) * 1998-10-15 2000-04-28 Toshiba Corp 無線送信装置
JP3214463B2 (ja) * 1998-10-21 2001-10-02 日本電気株式会社 無線通信装置
FI112741B (fi) * 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
US6304751B1 (en) * 1998-12-29 2001-10-16 Cirrus Logic, Inc. Circuits, systems and methods for digital correction of phase and magnitude errors in image reject mixers
US6123671A (en) * 1998-12-31 2000-09-26 General Electric Company Method and apparatus for distributed, agile calculation of beamforming time delays and apodization values
FR2788391A1 (fr) 1999-01-11 2000-07-13 Cit Alcatel Recepteur radioelectrique ou electrique et son utilisation
GB2347284B (en) 1999-02-22 2003-04-09 Nokia Mobile Phones Ltd FM receiver
WO2000054420A1 (fr) 1999-03-11 2000-09-14 Mitsubishi Denki Kabushiki Kaisha Dispositif terminal radio
JP4292667B2 (ja) * 2000-01-24 2009-07-08 ソニー株式会社 受信装置およびその方法
US6782062B1 (en) * 2000-03-29 2004-08-24 Sony Corporation Low power and high linearity receivers with reactively biased front ends
US6771715B1 (en) * 2000-03-30 2004-08-03 Adtran, Inc. Demodulator using cordic rotator-based digital phase locked loop for carrier frequency correction
US6804501B1 (en) * 2000-09-25 2004-10-12 Prairiecomm, Inc. Receiver having gain control and narrowband interference detection
US6748200B1 (en) * 2000-10-02 2004-06-08 Mark A. Webster Automatic gain control system and method for a ZIF architecture
US7076225B2 (en) 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
US6775530B2 (en) * 2001-11-27 2004-08-10 Qualcomm Inc. Direct conversion of narrow-band RF signals

Also Published As

Publication number Publication date
EP1618674B1 (de) 2010-07-28
JP2009153151A (ja) 2009-07-09
JP2006504358A (ja) 2006-02-02
WO2004049580A2 (en) 2004-06-10
RU2004125845A (ru) 2006-01-27
US7024169B2 (en) 2006-04-04
EP2120351A1 (de) 2009-11-18
EP1618674A2 (de) 2006-01-25
CA2474350A1 (en) 2004-06-10
JP4308145B2 (ja) 2009-08-05
RU2308804C2 (ru) 2007-10-20
EP2093892A1 (de) 2009-08-26
HK1091047A1 (en) 2007-01-05
DE60333596D1 (de) 2010-09-09
US20030143967A1 (en) 2003-07-31
WO2004049580A3 (en) 2005-11-17
AU2003302214A1 (en) 2004-06-18

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