DE69943380D1 - Verfahren und vorrichtung zur verzerrungskompensation eines funkgerätes - Google Patents

Verfahren und vorrichtung zur verzerrungskompensation eines funkgerätes

Info

Publication number
DE69943380D1
DE69943380D1 DE69943380T DE69943380T DE69943380D1 DE 69943380 D1 DE69943380 D1 DE 69943380D1 DE 69943380 T DE69943380 T DE 69943380T DE 69943380 T DE69943380 T DE 69943380T DE 69943380 D1 DE69943380 D1 DE 69943380D1
Authority
DE
Germany
Prior art keywords
distortion compensation
radio
radio device
compensation
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
DE69943380T
Other languages
English (en)
Inventor
Kazuo Nagatani
Yasuyuki Oishi
Tokuro Kubo
Takayoshi Ode
Takeshi Takano
Toru Maniwa
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 DE69943380D1 publication Critical patent/DE69943380D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • 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
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • 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
    • 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
    • H03F2201/3224—Predistortion being done for compensating memory effects
    • 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

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Transmitters (AREA)
DE69943380T 1999-07-28 1999-07-28 Verfahren und vorrichtung zur verzerrungskompensation eines funkgerätes Expired - Lifetime DE69943380D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/004037 WO2001008320A1 (fr) 1999-07-28 1999-07-28 Procede et appareil pour compensation de distorsion de dispositif radio

Publications (1)

Publication Number Publication Date
DE69943380D1 true DE69943380D1 (de) 2011-06-01

Family

ID=14236325

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69943380T Expired - Lifetime DE69943380D1 (de) 1999-07-28 1999-07-28 Verfahren und vorrichtung zur verzerrungskompensation eines funkgerätes

Country Status (5)

Country Link
US (1) US7020447B2 (de)
EP (1) EP1204216B1 (de)
JP (1) JP4086133B2 (de)
DE (1) DE69943380D1 (de)
WO (1) WO2001008320A1 (de)

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US7266159B2 (en) * 2002-03-08 2007-09-04 Andrew Corporation Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
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JP4786644B2 (ja) 2005-03-09 2011-10-05 富士通株式会社 歪補償装置
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US8170487B2 (en) * 2006-02-03 2012-05-01 Qualcomm, Incorporated Baseband transmitter self-jamming and intermodulation cancellation device
JP4835241B2 (ja) * 2006-04-11 2011-12-14 株式会社日立製作所 ディジタルプリディストーション送信機
JP4812643B2 (ja) * 2007-02-01 2011-11-09 株式会社日立国際電気 増幅装置
US7889751B2 (en) * 2007-03-06 2011-02-15 Sudhir Aggarwal Low power wireless communication system
JP2009232425A (ja) * 2008-03-25 2009-10-08 Toshiba Corp 送信機
JP5125797B2 (ja) 2008-06-19 2013-01-23 富士通株式会社 振幅抑圧装置および信号送信装置
JP5144387B2 (ja) * 2008-06-20 2013-02-13 日本無線株式会社 歪補償回路
JP5144386B2 (ja) * 2008-06-20 2013-02-13 日本無線株式会社 歪補償回路
JP5233444B2 (ja) 2008-06-30 2013-07-10 富士通株式会社 歪補償増幅器および前置歪補償増幅装置
US8005114B2 (en) 2008-09-08 2011-08-23 Wisconsin Alumni Research Foundation Method and apparatus to vary the transmission bit rate within individual wireless packets through multi-rate packetization
JP5251565B2 (ja) * 2009-02-05 2013-07-31 富士通株式会社 プリディストータ及びその遅延調整方法
JP2010187178A (ja) * 2009-02-12 2010-08-26 Toshiba Corp 無線送信装置および無線送信方法
US8737523B2 (en) * 2009-06-04 2014-05-27 Xilinx, Inc. Apparatus and method for predictive over-drive detection
JP5251749B2 (ja) * 2009-06-17 2013-07-31 富士通株式会社 位相補正装置、位相補正方法
JP5293441B2 (ja) * 2009-06-17 2013-09-18 富士通株式会社 位相補正装置、位相補正方法
JP4918572B2 (ja) * 2009-07-02 2012-04-18 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機能付き増幅器
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US8699620B1 (en) 2010-04-16 2014-04-15 Marvell International Ltd. Digital Predistortion for nonlinear RF power amplifiers
DE102010035918B4 (de) * 2010-08-31 2014-01-09 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Regelung eines Signals mit einer Mehrzahl von unabhängigen Komponenten
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JP5751056B2 (ja) 2011-07-14 2015-07-22 富士通株式会社 歪補償装置、送信機および歪補償方法
MY164135A (en) 2011-09-26 2017-11-30 Aviat Networks Inc Systems and methods for asynchronous re-modulation with adaptive i/q adjustment
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US9571042B2 (en) * 2012-07-26 2017-02-14 Telefonaktiebolaget L M Ericsson (Publ) Digital upconversion for multi-band multi-order power amplifiers
JP6324314B2 (ja) * 2012-09-19 2018-05-16 古野電気株式会社 パルス圧縮レーダ
US8874052B2 (en) * 2012-11-15 2014-10-28 Motorola Mobility Llc Method and apparatus for improving efficiency and distortion leakage in a wireless power amplifier
JP6054739B2 (ja) 2012-12-26 2016-12-27 パナソニック株式会社 歪み補償装置及び歪み補償方法
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JP6221518B2 (ja) 2013-05-24 2017-11-01 富士通株式会社 電力増幅装置、送信機および電力増幅装置制御方法
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Also Published As

Publication number Publication date
US7020447B2 (en) 2006-03-28
WO2001008320A1 (fr) 2001-02-01
JP4086133B2 (ja) 2008-05-14
US20020065048A1 (en) 2002-05-30
EP1204216B1 (de) 2011-04-20
EP1204216A1 (de) 2002-05-08
EP1204216A4 (de) 2009-03-25

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