ATE469467T1 - Adaptiver intermodulationsverzerrungsfilter für direktkonversionsempfänger - Google Patents

Adaptiver intermodulationsverzerrungsfilter für direktkonversionsempfänger

Info

Publication number
ATE469467T1
ATE469467T1 AT04735782T AT04735782T ATE469467T1 AT E469467 T1 ATE469467 T1 AT E469467T1 AT 04735782 T AT04735782 T AT 04735782T AT 04735782 T AT04735782 T AT 04735782T AT E469467 T1 ATE469467 T1 AT E469467T1
Authority
AT
Austria
Prior art keywords
intermodulation distortion
zero
direct conversion
receiver
conversion receiver
Prior art date
Application number
AT04735782T
Other languages
English (en)
Inventor
Richard Perkins
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
Application granted granted Critical
Publication of ATE469467T1 publication Critical patent/ATE469467T1/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
    • H04B1/06—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)
  • Enzymes And Modification Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
AT04735782T 2003-06-04 2004-06-01 Adaptiver intermodulationsverzerrungsfilter für direktkonversionsempfänger ATE469467T1 (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
ATE469467T1 true ATE469467T1 (de) 2010-06-15

Family

ID=33511716

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04735782T ATE469467T1 (de) 2003-06-04 2004-06-01 Adaptiver intermodulationsverzerrungsfilter für direktkonversionsempfänger

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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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
US8693968B2 (en) * 2007-01-22 2014-04-08 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
WO2015166308A1 (en) * 2014-05-01 2015-11-05 Telefonaktiebolaget L M Ericsson (Publ) Passive intermodulation detection
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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US6175279B1 (en) * 1997-12-09 2001-01-16 Qualcomm Incorporated Amplifier with adjustable bias current
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Also Published As

Publication number Publication date
DE602004027374D1 (de) 2010-07-08
WO2004109941A1 (en) 2004-12-16
JP4581071B2 (ja) 2010-11-17
EP1634380A1 (de) 2006-03-15
US20070105519A1 (en) 2007-05-10
US7706769B2 (en) 2010-04-27
CN1799203B (zh) 2010-12-01
JP2006526931A (ja) 2006-11-24
EP1634380B1 (de) 2010-05-26
CN1799203A (zh) 2006-07-05

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