DE602004027374D1 - Rektkonversionsempfänger - Google Patents

Rektkonversionsempfänger

Info

Publication number
DE602004027374D1
DE602004027374D1 DE602004027374T DE602004027374T DE602004027374D1 DE 602004027374 D1 DE602004027374 D1 DE 602004027374D1 DE 602004027374 T DE602004027374 T DE 602004027374T DE 602004027374 T DE602004027374 T DE 602004027374T DE 602004027374 D1 DE602004027374 D1 DE 602004027374D1
Authority
DE
Germany
Prior art keywords
zero
intermodulation distortion
receiver
detected
filter
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 - Lifetime
Application number
DE602004027374T
Other languages
English (en)
Inventor
Richard Perkins
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.)
ST Ericsson SA
Original Assignee
ST Ericsson SA
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 ST Ericsson SA filed Critical ST Ericsson SA
Publication of DE602004027374D1 publication Critical patent/DE602004027374D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • 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
    • H03D3/008—Compensating DC offsets
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
    • 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)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Enzymes And Modification Thereof (AREA)
DE602004027374T 2003-06-04 2004-06-01 Rektkonversionsempfänger Expired - Lifetime DE602004027374D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47575503P 2003-06-04 2003-06-04
PCT/IB2004/050819 WO2004109941A1 (en) 2003-06-04 2004-06-01 Adaptive intermodulation distortion filter for zero-if receivers

Publications (1)

Publication Number Publication Date
DE602004027374D1 true DE602004027374D1 (de) 2010-07-08

Family

ID=33511716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004027374T Expired - Lifetime DE602004027374D1 (de) 2003-06-04 2004-06-01 Rektkonversionsempfänger

Country Status (7)

Country Link
US (1) US7706769B2 (de)
EP (1) EP1634380B1 (de)
JP (1) JP4581071B2 (de)
CN (1) CN1799203B (de)
AT (1) ATE469467T1 (de)
DE (1) DE602004027374D1 (de)
WO (1) WO2004109941A1 (de)

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US7532874B2 (en) 2005-11-09 2009-05-12 Texas Instruments Incorporated Offset balancer, method of balancing an offset and a wireless receiver employing the balancer and the method
US8290100B2 (en) 2006-08-08 2012-10-16 Qualcomm Incorporated Interference detection and mitigation
US8098779B2 (en) 2006-08-08 2012-01-17 Qualcomm Incorporated Interference detection and mitigation
US7876867B2 (en) 2006-08-08 2011-01-25 Qualcomm Incorporated Intermodulation distortion detection and mitigation
WO2008089840A1 (en) * 2007-01-22 2008-07-31 Freescale Semiconductor, Inc. Very low intermediate frequency (vlif) receiver
US8855580B2 (en) * 2008-06-27 2014-10-07 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers
US8249538B2 (en) * 2008-11-24 2012-08-21 Cisco Technology, Inc. Offset direct conversion receiver
US8090320B2 (en) * 2008-12-19 2012-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Strong signal tolerant OFDM receiver and receiving methods
US20120140685A1 (en) * 2010-12-01 2012-06-07 Infineon Technologies Ag Simplified adaptive filter algorithm for the cancellation of tx-induced even order intermodulation products
US8494473B2 (en) 2011-04-19 2013-07-23 Icera Inc. Processing a radio frequency signal
DE102011075893B4 (de) 2011-05-16 2018-08-30 Continental Automotive Gmbh Vorrichtung und Verfahren zur adaptiven Unterdrückung von In-Band-Störsignalen bei Funk-Empfängern
US9203451B2 (en) * 2011-12-14 2015-12-01 Infineon Technologies Ag System and method for an RF receiver
GB2504945B (en) 2012-08-13 2015-04-29 Nvidia Corp Channel quality indicator
US9312897B2 (en) * 2012-10-31 2016-04-12 Qualcomm Incorporated DC offset filter for wide band beamforming receivers
US20150049651A1 (en) * 2013-08-14 2015-02-19 Qualcomm Incorporated Dynamically updating filtering configuration in modem baseband processing
EP3138204B1 (de) * 2014-05-01 2018-04-18 Telefonaktiebolaget LM Ericsson (publ) Erkennung von passivintermodulation
CN104362986B (zh) * 2014-10-29 2018-03-06 上海大学 大功率互调失真检测装置及检测方法
US9762266B2 (en) * 2015-03-25 2017-09-12 Qualcomm Incorporated Signal correction for carrier aggregation transceiver
US9526109B1 (en) * 2015-10-01 2016-12-20 Sprint Communications Company L.P. Limiting intermodulation distortion across frequency bands
US10547336B2 (en) 2015-10-23 2020-01-28 Qorvo Us, Inc. Radio frequency circuitry for carrier aggregation
US10277381B2 (en) * 2016-01-09 2019-04-30 Huawei Technologies Co., Ltd. Receiver path distortion mitigation using adaptive filter feedback
US10560867B2 (en) * 2016-12-29 2020-02-11 Qorvo Us, Inc. Reducing intermodulation distortion in a radio frequency circuit
US11463064B2 (en) 2019-12-06 2022-10-04 Silicon Laboratories Inc. Frequency selective attenuator for optimized radio frequency coexistence
US11716159B2 (en) * 2021-10-26 2023-08-01 Motorola Solutions, Inc. Radio frequency automatic gain control with detector for linear modulation interferer signal

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KR870001910B1 (ko) * 1985-05-31 1987-10-21 삼성전자부품 주식회사 다중챈널방송수신기의 하이패스/로우패스 절환필터
JPH04360441A (ja) * 1991-06-07 1992-12-14 Nippon Telegr & Teleph Corp <Ntt> 干渉補償方式
US5222255A (en) * 1991-08-05 1993-06-22 Ford Motor Company Intermodulation controller for radio receiver
CA2125468C (en) * 1993-06-28 1998-04-21 Danny Thomas Pinckley Method of selectively reducing spectral components in a wideband radio frequency signal
JP3672590B2 (ja) * 1994-06-20 2005-07-20 株式会社東芝 無線機
JPH09326713A (ja) * 1996-06-05 1997-12-16 Sharp Corp デュアルモードセルラー電話システム
JP3700337B2 (ja) * 1997-08-20 2005-09-28 株式会社日立製作所 携帯電話装置
US6175279B1 (en) * 1997-12-09 2001-01-16 Qualcomm Incorporated Amplifier with adjustable bias current
US6134430A (en) * 1997-12-09 2000-10-17 Younis; Saed G. Programmable dynamic range receiver with adjustable dynamic range analog to digital converter
US6108529A (en) * 1998-02-01 2000-08-22 Bae Systems Aerospace Electronics Inc. Radio system including FET mixer device and square-wave drive switching circuit and method therefor
AUPP261898A0 (en) * 1998-03-27 1998-04-23 Victoria University Of Technology Dc offset and im2 removal in direct conversion receivers
US6154641A (en) * 1998-10-27 2000-11-28 Lucent Technologies Inc. Wideband multiple channel frequency converter
US6807405B1 (en) * 1999-04-28 2004-10-19 Isco International, Inc. Method and a device for maintaining the performance quality of a code-division multiple access system in the presence of narrow band interference
JP2000244356A (ja) * 1999-02-23 2000-09-08 Kokusai Electric Co Ltd ダイレクトコンバージョン受信機
US6487399B1 (en) * 1999-05-26 2002-11-26 Nokia Mobile Phones Ltd. Mobile terminal employing 30kHz/200kHz carrier identification
WO2001069803A1 (en) 2000-03-13 2001-09-20 Smart Telecom Solutions B.V. Single chip spread spectrum receiver and transmitter for short messages
US6606488B1 (en) * 2000-11-22 2003-08-12 Motorola, Inc. Communications receiver with intermodulation reduction, and method
US7203472B2 (en) * 2002-03-15 2007-04-10 Nokia Corporation Method and apparatus providing calibration technique for RF performance tuning
US6718166B2 (en) * 2002-05-17 2004-04-06 Illinois Superconductor Corporation, Inc. Multiple carrier adaptive notch filter
US6944427B2 (en) * 2003-01-31 2005-09-13 Motorola, Inc. Reduced crossmodulation operation of a multimode communication device
US6992519B2 (en) * 2004-02-11 2006-01-31 Nokia Corporation Method and apparatus providing cancellation of second order intermodulation distortion and enhancement of second order intercept point (IIP2) in common source and common emitter transconductance circuits

Also Published As

Publication number Publication date
JP4581071B2 (ja) 2010-11-17
CN1799203A (zh) 2006-07-05
EP1634380B1 (de) 2010-05-26
WO2004109941A1 (en) 2004-12-16
CN1799203B (zh) 2010-12-01
ATE469467T1 (de) 2010-06-15
EP1634380A1 (de) 2006-03-15
US7706769B2 (en) 2010-04-27
US20070105519A1 (en) 2007-05-10
JP2006526931A (ja) 2006-11-24

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Legal Events

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8364 No opposition during term of opposition