DE69925902D1 - Verzerrungskorrektionsschaltung eines direktkonversionsempfängers - Google Patents

Verzerrungskorrektionsschaltung eines direktkonversionsempfängers

Info

Publication number
DE69925902D1
DE69925902D1 DE69925902T DE69925902T DE69925902D1 DE 69925902 D1 DE69925902 D1 DE 69925902D1 DE 69925902 T DE69925902 T DE 69925902T DE 69925902 T DE69925902 T DE 69925902T DE 69925902 D1 DE69925902 D1 DE 69925902D1
Authority
DE
Germany
Prior art keywords
signal
distortion
correction
path
direct conversion
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
DE69925902T
Other languages
English (en)
Inventor
Michael Faulkner
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69925902D1 publication Critical patent/DE69925902D1/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
    • 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
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • 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)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
DE69925902T 1998-03-27 1999-03-29 Verzerrungskorrektionsschaltung eines direktkonversionsempfängers Expired - Lifetime DE69925902D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP2618A AUPP261898A0 (en) 1998-03-27 1998-03-27 Dc offset and im2 removal in direct conversion receivers
PCT/AU1999/000226 WO1999050966A1 (en) 1998-03-27 1999-03-29 Distortion correction circuit for direct conversion receiver

Publications (1)

Publication Number Publication Date
DE69925902D1 true DE69925902D1 (de) 2005-07-28

Family

ID=3806879

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69925902T Expired - Lifetime DE69925902D1 (de) 1998-03-27 1999-03-29 Verzerrungskorrektionsschaltung eines direktkonversionsempfängers

Country Status (13)

Country Link
US (1) US6606484B1 (de)
EP (1) EP1064729B1 (de)
JP (1) JP4195193B2 (de)
KR (1) KR100537418B1 (de)
CN (1) CN1158780C (de)
AT (1) ATE298474T1 (de)
AU (2) AUPP261898A0 (de)
BR (1) BR9909178A (de)
DE (1) DE69925902D1 (de)
EE (1) EE200000567A (de)
HK (1) HK1039224B (de)
IL (1) IL138614A (de)
WO (1) WO1999050966A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1192498C (zh) * 1999-03-01 2005-03-09 三菱电机株式会社 收发信装置
JP2002009655A (ja) * 2000-06-23 2002-01-11 Communication Research Laboratory 双方向無線通信システム及び双方向無線通信方法
US6785529B2 (en) * 2002-01-24 2004-08-31 Qualcomm Incorporated System and method for I-Q mismatch compensation in a low IF or zero IF receiver
US7657241B2 (en) 2002-02-01 2010-02-02 Qualcomm, Incorporated Distortion reduction calibration
EP3032755A1 (de) * 2002-06-07 2016-06-15 InterDigital Technology Corporation System und verfahren für einen direktumwandlungs-mehrträgerprozessor
KR100790858B1 (ko) * 2002-09-04 2008-01-02 삼성전자주식회사 시공유 ｉ 채널 및 ｑ 채널을 가진 직접변환 수신기 및수신방법
DE602004027374D1 (de) * 2003-06-04 2010-07-08 St Ericsson Sa Rektkonversionsempfänger
KR100544777B1 (ko) * 2004-04-07 2006-01-23 삼성탈레스 주식회사 Ｉ／ｑ 부정합 보상 방법 및 장치
US20060234664A1 (en) * 2005-01-13 2006-10-19 Mediatek Incorporation Calibration method for suppressing second order distortion
US8050649B2 (en) * 2005-08-30 2011-11-01 Qualcomm Incorporated Downconversion mixer with IM2 cancellation
US7949323B1 (en) * 2006-02-24 2011-05-24 Texas Instruments Incorporated Local oscillator leakage counterbalancing in a receiver
US7876867B2 (en) * 2006-08-08 2011-01-25 Qualcomm Incorporated Intermodulation distortion detection and mitigation
US8290100B2 (en) 2006-08-08 2012-10-16 Qualcomm Incorporated Interference detection and mitigation
TW200816661A (en) * 2006-09-25 2008-04-01 Alcor Micro Corp Method for I/Q signal adjustment
FI20075275A0 (fi) 2007-04-19 2007-04-19 Nokia Corp RF-transkonduktanssituloaste
US8032102B2 (en) * 2008-01-15 2011-10-04 Axiom Microdevices, Inc. Receiver second order intermodulation correction system and method
US8081929B2 (en) * 2008-06-05 2011-12-20 Broadcom Corporation Method and system for optimal frequency planning for an integrated communication system with multiple receivers
US8055234B2 (en) * 2008-06-27 2011-11-08 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for suppressing strong-signal interference in low-IF receivers
US7995973B2 (en) * 2008-12-19 2011-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Own transmitter interference tolerant transceiver and receiving methods
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
US8090320B2 (en) * 2008-12-19 2012-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Strong signal tolerant OFDM receiver and receiving methods
JP5334318B2 (ja) * 2009-11-30 2013-11-06 ルネサスエレクトロニクス株式会社 通信用半導体集積回路およびその動作方法
US8237500B1 (en) 2011-03-22 2012-08-07 Sioma Edward M Signal correction circuit for reducing errors and distortions and its associated method of operation
EP2595322A1 (de) * 2011-11-18 2013-05-22 Stichting IMEC Nederland Störungsunterdrückung in einem Sender von niedriger Leistung
US8817925B2 (en) * 2012-03-16 2014-08-26 Qualcomm Incorporated System and method for RF spur cancellation
CN109495421B (zh) * 2017-09-13 2021-04-30 深圳市中兴微电子技术有限公司 一种同相分量正交分量失配补偿装置及方法
US10425182B2 (en) * 2017-09-29 2019-09-24 Futurewei Technologies, Inc. Inter-band distortion and interference mitigation within communication systems
US11784731B2 (en) * 2021-03-09 2023-10-10 Apple Inc. Multi-phase-level signaling to improve data bandwidth over lossy channels
CN114650073B (zh) * 2022-04-15 2023-05-16 成都信息工程大学 一种射频接收机的线性化校正方法及装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561113A (en) * 1983-04-09 1985-12-24 Trio Kabushiki Kaisha Distortion canceller for FM receiver
JPS6042906A (ja) * 1983-08-19 1985-03-07 Pioneer Electronic Corp クオドラチユア検波器
US4926132A (en) * 1989-08-28 1990-05-15 Motorola Inc. FM detector with reduced distortion
EP0473373A3 (en) * 1990-08-24 1993-03-03 Rockwell International Corporation Calibration system for direct conversion receiver
US5230099A (en) * 1991-01-24 1993-07-20 Rockwell International Corporation System for controlling phase and gain errors in an i/q direct conversion receiver
DE4235834C2 (de) * 1992-10-23 1994-11-17 Baeumer Michael Vorrichtung zur Behandlung von Abwässern
US5604929A (en) * 1995-04-21 1997-02-18 Rockwell International System for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signal
JP3316723B2 (ja) * 1995-04-28 2002-08-19 三菱電機株式会社 受信装置の補償方法・受信装置及び送受信装置
FI961935A (fi) * 1996-05-07 1997-11-08 Nokia Mobile Phones Ltd Erojännitteen eliminointi ja AM-vaimennus suoramuunnosvastaanottimessa
US5898912A (en) * 1996-07-01 1999-04-27 Motorola, Inc. Direct current (DC) offset compensation method and apparatus
US6516187B1 (en) * 1998-03-13 2003-02-04 Maxim Integrated Products, Inc. DC offset correction for direct conversion tuner IC
US6370205B1 (en) * 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver
US6459889B1 (en) * 2000-02-29 2002-10-01 Motorola, Inc. DC offset correction loop for radio receiver

Also Published As

Publication number Publication date
US6606484B1 (en) 2003-08-12
EP1064729A1 (de) 2001-01-03
IL138614A0 (en) 2001-10-31
JP2002510892A (ja) 2002-04-09
CN1309840A (zh) 2001-08-22
EP1064729A4 (de) 2002-10-24
ATE298474T1 (de) 2005-07-15
KR20010071126A (ko) 2001-07-28
EP1064729B1 (de) 2005-06-22
IL138614A (en) 2005-09-25
WO1999050966A1 (en) 1999-10-07
AUPP261898A0 (en) 1998-04-23
CN1158780C (zh) 2004-07-21
HK1039224B (zh) 2005-04-22
HK1039224A1 (en) 2002-04-12
JP4195193B2 (ja) 2008-12-10
BR9909178A (pt) 2000-12-05
AU3128399A (en) 1999-10-18
EE200000567A (et) 2002-02-15
KR100537418B1 (ko) 2005-12-19

Similar Documents

Publication Publication Date Title
DE69925902D1 (de) Verzerrungskorrektionsschaltung eines direktkonversionsempfängers
RU2146416C1 (ru) Приемник прямого преобразования с цифровой компенсацией
GB0027503D0 (en) Radio receiver
CA2386477A1 (en) Feedback compensation detector for a direct conversion transmitter
DE60232516D1 (de) Iq-ungleichgewicht
EP1821418A3 (de) Verfahren und Gerät zur Funknachrichtenübertragung
EP1160981A3 (de) Verfahren und Anordnung zur Verringerung der Frequenzverschiebung in einem Rundfunkempfänger
DE60113694D1 (de) Multiprotokollempfänger
JPH08163190A (ja) 送受信機
AU6974300A (en) Improved method and apparatus for up- and down-conversion of radio frequency (rf) signals
PL348027A1 (en) Radio communications unit
EP1187412A3 (de) Trägerfrequenzrückgewinnung in CDMA-Empfängern
KR100948427B1 (ko) 신호 송수신 장치 및 그 제어 방법
JP2003333116A (ja) ダイレクトコンバージョン受信機
WO2003049276A1 (fr) Demodulateur et recepteur le mettant en application
TW431077B (en) Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression
FI20001000A0 (fi) Menetelmä ja järjestely taajuusmoduloidun signaalin vastaanottamiseksi
JP3733645B2 (ja) 受信機
JPH0834448B2 (ja) デユプレツクス送受信機
JPS58141037A (ja) 送受信装置
MY119808A (en) Two-way radio with improved squelch
JPH11341088A (ja) 受信装置
JPS61237526A (ja) 無線送受信装置

Legal Events

Date Code Title Description
8332 No legal effect for de