ATE359650T1 - Amplitudenungleichgewichtskompensation eines quadraturmodulators - Google Patents

Amplitudenungleichgewichtskompensation eines quadraturmodulators

Info

Publication number
ATE359650T1
ATE359650T1 AT03730275T AT03730275T ATE359650T1 AT E359650 T1 ATE359650 T1 AT E359650T1 AT 03730275 T AT03730275 T AT 03730275T AT 03730275 T AT03730275 T AT 03730275T AT E359650 T1 ATE359650 T1 AT E359650T1
Authority
AT
Austria
Prior art keywords
amplitude imbalance
quadrature modulator
determining
imbalance compensation
basis
Prior art date
Application number
AT03730275T
Other languages
English (en)
Inventor
Juha Heiskala
Lauri Kuru
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE359650T1 publication Critical patent/ATE359650T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • 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
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0018—Arrangements at the transmitter end

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Amplitude Modulation (AREA)
AT03730275T 2002-06-18 2003-06-13 Amplitudenungleichgewichtskompensation eines quadraturmodulators ATE359650T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/173,574 US6700453B2 (en) 2002-06-18 2002-06-18 Amplitude imbalance compensation of quadrature modulator

Publications (1)

Publication Number Publication Date
ATE359650T1 true ATE359650T1 (de) 2007-05-15

Family

ID=29733386

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03730275T ATE359650T1 (de) 2002-06-18 2003-06-13 Amplitudenungleichgewichtskompensation eines quadraturmodulators

Country Status (8)

Country Link
US (1) US6700453B2 (de)
EP (1) EP1514393B1 (de)
CN (1) CN100481828C (de)
AT (1) ATE359650T1 (de)
AU (1) AU2003240909A1 (de)
DE (1) DE60313166T2 (de)
ES (1) ES2282634T3 (de)
WO (1) WO2003107615A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10252099B4 (de) * 2002-11-08 2021-08-05 Rohde & Schwarz GmbH & Co. Kommanditgesellschaft Messgerät und Verfahren zum Ermitteln einer Kennlinie einer Hochfrequenzeinheit
US7180937B2 (en) * 2002-11-20 2007-02-20 Agilent Technologies, Inc. Method for determining imbalance in a vector signal modulator
US7078965B2 (en) * 2004-04-26 2006-07-18 World Energy Labs (2), Inc. Servo balancing among driver devices
US7253680B2 (en) * 2003-05-21 2007-08-07 World Energy Labs (2), Inc. Amplifier system with current-mode servo feedback
FR2858715B1 (fr) * 2003-08-04 2005-12-30 Soitec Silicon On Insulator Procede de detachement de couche de semiconducteur
JP4341418B2 (ja) * 2004-01-30 2009-10-07 日本電気株式会社 直交変調器の調整装置及び調整方法並びに通信装置とプログラム
US20050201483A1 (en) * 2004-03-12 2005-09-15 Edmund Coersmeier Error adjustment for multi-antenna transmitter
US7369624B2 (en) * 2004-06-01 2008-05-06 Orbital Sciences Corp. Carrier suppression type modulator with encoded modulating signals
US7197087B2 (en) * 2004-07-09 2007-03-27 Powerwave Technologies, Inc. System and method for differential IQ delay compensation in a communications system utilizing adaptive AQM compensation
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
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
US8078123B2 (en) * 2005-03-29 2011-12-13 Broadcom Corporation RF transmission error detection and correction module
US7474711B2 (en) 2005-05-06 2009-01-06 Motorola, Inc Method and system for I/Q imbalance and DC offset correction
US7172489B1 (en) * 2005-07-26 2007-02-06 Flanagan Michael P Jar opener
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
KR100725905B1 (ko) 2006-02-15 2007-06-11 한국과학기술원 증폭기 비선형성 및 직교 변조 오류를 위한 동시 적응보상 기법
CN101043269B (zh) * 2006-03-22 2011-01-05 富士通株式会社 I-q正交调制发射机及其i-q路间相位偏置的监测装置和方法
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
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
JP4172805B2 (ja) * 2006-07-12 2008-10-29 株式会社東芝 通信装置、直交誤差補償の設定値算出方法および直交誤差補償プログラム
GB0705544D0 (en) * 2007-03-22 2007-05-02 Nokia Corp Radio receiver or transmitter and method for reducing an IQ gain imbalance
CN101309100B (zh) * 2007-05-18 2013-04-24 富士通株式会社 正交接收机的i/q相位和增益失衡的补偿装置和方法
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP2010169504A (ja) * 2009-01-22 2010-08-05 Anritsu Corp ジッタ伝達特性測定装置
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
US8995560B2 (en) 2011-10-26 2015-03-31 Google Technology Holdings LLC Power detection of individual carriers of a multiple-carrier wideband signal
WO2013067291A1 (en) * 2011-11-02 2013-05-10 Raytheon Company Quadrature modulator balancing system
CN106415435B (zh) 2013-09-17 2020-08-11 帕克维辛股份有限公司 用于呈现信息承载时间函数的方法、装置和系统
CN105490973B (zh) * 2014-10-13 2018-11-27 展讯通信（上海）有限公司 Iq信号校准方法及装置
CN105490759B (zh) * 2014-10-13 2018-07-27 展讯通信（上海）有限公司 Iq信号校准方法及装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6436153A (en) 1987-07-31 1989-02-07 Nec Corp Quadruple phase modulator
SE459774B (sv) 1987-11-27 1989-07-31 Ericsson Telefon Ab L M Anordning foer kompensering av fel upptraednnde i e n kvadraturmodulator
FR2641923B1 (fr) 1989-01-19 1991-03-22 Alcatel Thomson Faisceaux Procede d'asservissement des parametres d'un modulateur a 2n etats de phase et d'amplitude, et dispositif de mise en oeuvre de ce procede
FI81704C (fi) 1989-04-11 1990-11-12 Telenokia Oy Kvadraturmodulator.
US4930151A (en) 1989-05-16 1990-05-29 General Electric Company Telephone call forwarding device
US5119399A (en) 1990-09-28 1992-06-02 Hewlett-Packard Co. Quadrature measurement and calibration of a vector modulator
EP0503588B1 (de) * 1991-03-11 1997-10-01 Nippon Telegraph And Telephone Corporation Quadraturamplitudenmodulator mit Verzerrungskompensation
JPH05130156A (ja) 1991-11-08 1993-05-25 Nec Corp 直交変調器
JP3330171B2 (ja) 1993-02-03 2002-09-30 三菱電機株式会社 直交変調器
US5369411A (en) 1993-06-01 1994-11-29 Westinghouse Electric Corporation Imbalance correction of in-phase and quadrature phase return signals
FR2729261A1 (fr) 1995-01-11 1996-07-12 Alcatel Telspace Estimateur d'un defaut de fonctionnement d'un modulateur en quadrature et etage de modulation l'utilisant
US5930286A (en) 1995-12-06 1999-07-27 Conexant Systems, Inc. Gain imbalance compensation for a quadrature receiver in a cordless direct sequence spread spectrum telephone
JP3175580B2 (ja) 1996-03-14 2001-06-11 日本電気株式会社 直交位相変調器の調整装置
FR2755335B1 (fr) 1996-10-24 1998-11-27 Alsthom Cge Alcatel Estimateur du defaut de balance d'un modulateur en quadrature et etage de modulation l'utilisant
FR2755808B1 (fr) 1996-11-14 1999-01-08 Alsthom Cge Alcatel Estimateur d'un defaut de fonctionnement d'un modulateur en quadrature et etage de modulation l'utilisant
US6298096B1 (en) 1998-11-19 2001-10-02 Titan Corporation Method and apparatus for determination of predistortion parameters for a quadrature modulator
US6421398B1 (en) * 2000-01-28 2002-07-16 Alcatel Canada Inc. Modulation system having on-line IQ calibration
US6671336B1 (en) 2000-05-16 2003-12-30 Motorola, Inc. Gain controller for circuit having in-phase and quadrature channels, and method

Also Published As

Publication number Publication date
WO2003107615A1 (en) 2003-12-24
ES2282634T3 (es) 2007-10-16
EP1514393A1 (de) 2005-03-16
DE60313166T2 (de) 2007-12-20
EP1514393B1 (de) 2007-04-11
CN1663214A (zh) 2005-08-31
DE60313166D1 (de) 2007-05-24
US20030231075A1 (en) 2003-12-18
US6700453B2 (en) 2004-03-02
AU2003240909A1 (en) 2003-12-31
CN100481828C (zh) 2009-04-22

Similar Documents

Publication Publication Date Title
ATE359650T1 (de) Amplitudenungleichgewichtskompensation eines quadraturmodulators
ATE466413T1 (de) Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung
MY135342A (en) Method and apparatus of compensating imbalance of a modulator
AU2002229135A1 (en) Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components
DE60335375D1 (de) Frequenzbereichsentzerrung von kommunikationssignalen
ATE421797T1 (de) Verfahren und system zur ermittlung der amplitude und/oder phase des ausgangssignals eines übertragungsgliedes in abhängigkeit der amplitude des eingangssignals
ATE396410T1 (de) Verfahren zur verwendung von drei gps-frequenzen zur auflösung von ganzzahligen trägerphasen- mehrdeutigkeiten
DE602004011563D1 (de) /q-ungleichgewichts in empfängern
ATE382919T1 (de) Erzeugen einer tiefenkarte
SE9001305D0 (sv) Kvadraturmodulator
NO20056036L (no) Stoyreduksjon i seismiske signaler ved frekvensanhengig veining
SE9202420D0 (sv) Anordning foer kompensering av fasvridning i foerstaerkarslutsteg
DE60230912D1 (de) Zusammengesetzter verstärker
DK1239700T4 (da) Fremgangsmåde til drift af et høreapparat eller høreapparatsystem samt høreapparat til høreapparatsystem
DE60001071D1 (de) Verfahren und vorrichtung zur linearisierung eines verstärkers
DE60043073D1 (de) Dynamische verzerrungssteuerung
AU2001276503A1 (en) Signal processing
SE8801702D0 (sv) Sett vid bestemning av enzymatisk aktivitet
DE50012541D1 (de) Winkelmesssystem
MXPA03001689A (es) Metodo para reducir ruido armonico en operaciones vibrosismicas.
MY112635A (en) Code detection apparatus
DE69931605D1 (de) Geophon zur studie von elastischen wellen
DE60336475D1 (de) Ät
AU2003276599A1 (en) Method and arrangement for optical coherence tomography
ATE400823T1 (de) Doppelfrequenzempfang von spreizspektrumsignalen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties