DE60234724D1 - Verzerrungskompensator - Google Patents

Verzerrungskompensator

Info

Publication number
DE60234724D1
DE60234724D1 DE60234724T DE60234724T DE60234724D1 DE 60234724 D1 DE60234724 D1 DE 60234724D1 DE 60234724 T DE60234724 T DE 60234724T DE 60234724 T DE60234724 T DE 60234724T DE 60234724 D1 DE60234724 D1 DE 60234724D1
Authority
DE
Germany
Prior art keywords
distortion compensator
compensator
distortion
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
DE60234724T
Other languages
English (en)
Inventor
Hajime Hamada
Hiroyoshi Ishikawa
Kazuo Nagatani
Tokuro Kubo
Nobukazu Fudaba
Yasuyuki Oishi
Toru Maniwa
Hiroyuki Hayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60234724D1 publication Critical patent/DE60234724D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H03F1/3288—Acting on the phase and the amplitude of the input signal to compensate phase shift as a function of the amplitude
    • 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
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
DE60234724T 2002-05-31 2002-05-31 Verzerrungskompensator Expired - Lifetime DE60234724D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/005372 WO2003103166A1 (ja) 2002-05-31 2002-05-31 歪補償装置

Publications (1)

Publication Number Publication Date
DE60234724D1 true DE60234724D1 (de) 2010-01-21

Family

ID=29606644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60234724T Expired - Lifetime DE60234724D1 (de) 2002-05-31 2002-05-31 Verzerrungskompensator

Country Status (5)

Country Link
US (1) US7106133B2 (de)
EP (1) EP1511181B1 (de)
JP (1) JP3957077B2 (de)
DE (1) DE60234724D1 (de)
WO (1) WO2003103166A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4961661B2 (ja) * 2004-09-10 2012-06-27 株式会社日立製作所 ディジタルプリディストーション型送信機および無線基地局
JP4284630B2 (ja) * 2004-09-21 2009-06-24 株式会社日立国際電気 歪補償増幅装置
GB2421648B (en) * 2004-12-23 2009-01-07 Zetex Plc Amplifier fault detection circuit
JP4555702B2 (ja) * 2005-02-21 2010-10-06 富士通株式会社 歪補償装置
JP4652091B2 (ja) * 2005-03-16 2011-03-16 富士通株式会社 歪補償装置
JP4308163B2 (ja) * 2005-03-22 2009-08-05 富士通株式会社 歪補償装置
WO2007013177A1 (ja) 2005-07-29 2007-02-01 Fujitsu Limited 遅延調整装置
JP4323470B2 (ja) * 2005-08-08 2009-09-02 富士通株式会社 アドレス生成装置およびその方法
JP4299819B2 (ja) 2005-08-17 2009-07-22 富士通株式会社 歪補償装置及び歪補償方法
JPWO2007049474A1 (ja) * 2005-10-24 2009-04-30 株式会社日立国際電気 プリディストーション方式歪補償増幅装置
JP4863729B2 (ja) 2006-02-14 2012-01-25 富士通株式会社 歪補償装置及び歪補償方法
JP4617265B2 (ja) 2006-02-14 2011-01-19 富士通株式会社 歪補償装置及び歪補償方法
JP4648214B2 (ja) 2006-02-14 2011-03-09 富士通株式会社 呼制御装置および呼制御方法
JP4617270B2 (ja) * 2006-03-27 2011-01-19 株式会社日立国際電気 送信機
JP4755937B2 (ja) * 2006-04-17 2011-08-24 富士通株式会社 歪補償装置及び歪補償方法
JP5034319B2 (ja) * 2006-05-26 2012-09-26 富士通株式会社 歪補償装置及び歪補償方法
JP5242024B2 (ja) * 2006-06-08 2013-07-24 株式会社東芝 歪補償装置、増幅装置、送信装置、歪補償方法
WO2008035439A1 (fr) * 2006-09-22 2008-03-27 Panasonic Corporation Circuit de compensation de distorsion et procÉDÉ pour commander celui-ci
JP2008205759A (ja) * 2007-02-20 2008-09-04 Japan Radio Co Ltd 歪補償装置
US7957707B2 (en) * 2007-03-30 2011-06-07 Freescale Semiconductor, Inc. Systems, apparatus and method for performing digital pre-distortion based on lookup table gain values
EP2153518A1 (de) * 2007-05-25 2010-02-17 Rambus, Inc. Mehrantennenstrahlenformungssystem zur übertragung von aus der zerlegung eines variablen hüllsignals entstandenen konstanten hüllsignalen
US8482462B2 (en) 2007-05-25 2013-07-09 Rambus Inc. Multi-antenna beam-forming system for transmitting constant envelope signals decomposed from a variable envelope signal
WO2008146355A1 (ja) * 2007-05-28 2008-12-04 Panasonic Corporation 歪補償装置
US8068574B2 (en) * 2007-05-31 2011-11-29 Freescale Semiconductor, Inc. Systems, apparatus, and methods for performing digital pre-distortion with feedback signal adjustment
JP5141694B2 (ja) * 2007-07-19 2013-02-13 富士通株式会社 非線形歪み補償付き増幅装置
JP5218173B2 (ja) 2009-03-12 2013-06-26 富士通株式会社 無線送信機の位相補正装置、無線送信機の歪補償装置
WO2010113213A1 (ja) * 2009-03-31 2010-10-07 富士通株式会社 位相調整回路の自己試験装置及び方法
JP2010258597A (ja) 2009-04-22 2010-11-11 Fujitsu Ltd 電力増幅器の歪補償装置、電力増幅器の歪補償装置における故障検出方法
US8774314B2 (en) 2009-06-23 2014-07-08 Qualcomm Incorporated Transmitter architectures
JP5158034B2 (ja) * 2009-08-12 2013-03-06 富士通株式会社 無線装置及び信号処理方法
US20110143697A1 (en) * 2009-12-11 2011-06-16 Qualcomm Incorporated Separate i and q baseband predistortion in direct conversion transmitters
US8880010B2 (en) * 2009-12-30 2014-11-04 Qualcomm Incorporated Dual-loop transmit noise cancellation
JP5672728B2 (ja) 2010-03-12 2015-02-18 富士通株式会社 無線装置、歪補償装置及び歪補償方法
JP5488073B2 (ja) * 2010-03-12 2014-05-14 富士通株式会社 無線装置、歪補償装置及び歪補償方法
JP5434818B2 (ja) * 2010-06-25 2014-03-05 富士通株式会社 歪補償装置、歪補償方法及び無線通信装置
JP5673238B2 (ja) * 2011-03-10 2015-02-18 富士通株式会社 電力増幅装置、送信機及び電力増幅装置制御方法
CN103634252B (zh) * 2012-08-20 2016-08-17 富士通株式会社 一种数字预失真系数的更新控制方法和装置
US8995571B2 (en) * 2013-03-14 2015-03-31 Analog Devices Global Baseband digital pre-distortion architecture
US9680422B2 (en) * 2013-03-27 2017-06-13 Qualcomm Incorporated Power amplifier signal compensation
US20150092825A1 (en) * 2013-09-27 2015-04-02 Qualcomm Incorporated Self-test using internal feedback for transmit signal quality estimation
JP6446911B2 (ja) * 2014-08-25 2019-01-09 富士通株式会社 歪補償方法、歪補償装置、及び歪補償プログラム
JP6413795B2 (ja) * 2015-01-23 2018-10-31 富士通株式会社 歪補償装置
JP2017069649A (ja) 2015-09-28 2017-04-06 富士通株式会社 無線装置
JP6943104B2 (ja) * 2017-09-15 2021-09-29 日本電気株式会社 増幅装置、破損検出装置および破損検出方法
US10454509B2 (en) 2018-03-13 2019-10-22 Qualcomm Incorporated Communication circuit including a transmitter
JP2020141379A (ja) 2019-03-01 2020-09-03 富士通株式会社 歪み補償装置及び歪み補償方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0968733A (ja) 1995-09-04 1997-03-11 Nikon Corp ブレ補正機構，カメラ，レンズ装置及びボディ装置
US5903823A (en) * 1995-09-19 1999-05-11 Fujitsu Limited Radio apparatus with distortion compensating function
FR2746564B1 (fr) * 1996-03-22 1998-06-05 Matra Communication Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede
US5892397A (en) * 1996-03-29 1999-04-06 Spectrian Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude
JP3360029B2 (ja) 1998-07-13 2002-12-24 松下電器産業株式会社 歪補償用アドレス発生器，歪補償回路および送信歪補償付き送信機
JP2000036767A (ja) 1998-07-17 2000-02-02 Hitachi Denshi Ltd 送信機
US6275685B1 (en) * 1998-12-10 2001-08-14 Nortel Networks Limited Linear amplifier arrangement
JP2000228643A (ja) 1999-02-08 2000-08-15 Matsushita Electric Ind Co Ltd 非線形歪補償装置
JP4183364B2 (ja) * 1999-12-28 2008-11-19 富士通株式会社 歪補償装置
JP4014343B2 (ja) * 1999-12-28 2007-11-28 富士通株式会社 歪補償装置
JP2001284976A (ja) * 2000-03-29 2001-10-12 Matsushita Electric Ind Co Ltd アダプティブプリディストーション歪補償方法及び装置
JP4306933B2 (ja) 2000-06-29 2009-08-05 パナソニック株式会社 送信装置
JP2002111401A (ja) * 2000-10-03 2002-04-12 Fujitsu Ltd 信号の歪補償装置および歪補償方法
WO2002101919A1 (fr) 2001-06-12 2002-12-19 Fujitsu Limited Dispositif de compensation de distorsion
JP3874688B2 (ja) 2002-03-29 2007-01-31 富士通株式会社 歪補償装置
JP4015455B2 (ja) 2002-03-29 2007-11-28 富士通株式会社 歪補償装置

Also Published As

Publication number Publication date
US7106133B2 (en) 2006-09-12
EP1511181A1 (de) 2005-03-02
EP1511181A4 (de) 2005-07-27
EP1511181B1 (de) 2009-12-09
WO2003103166A1 (ja) 2003-12-11
JP3957077B2 (ja) 2007-08-08
JPWO2003103166A1 (ja) 2005-10-06
US20050073361A1 (en) 2005-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE