DE60239426D1 - Verzerrungskompensator - Google Patents

Verzerrungskompensator

Info

Publication number
DE60239426D1
DE60239426D1 DE60239426T DE60239426T DE60239426D1 DE 60239426 D1 DE60239426 D1 DE 60239426D1 DE 60239426 T DE60239426 T DE 60239426T DE 60239426 T DE60239426 T DE 60239426T DE 60239426 D1 DE60239426 D1 DE 60239426D1
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
DE60239426T
Other languages
English (en)
Inventor
Tokuro Kubo
Kazuo Nagatani
Hajime Hamada
Hiroyoshi Ishikawa
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 DE60239426D1 publication Critical patent/DE60239426D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/468—Indexing scheme relating to amplifiers the temperature being sensed
    • 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)
  • Transmitters (AREA)
DE60239426T 2002-05-31 2002-05-31 Verzerrungskompensator Expired - Lifetime DE60239426D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/005371 WO2003103165A1 (ja) 2002-05-31 2002-05-31 歪補償装置

Publications (1)

Publication Number Publication Date
DE60239426D1 true DE60239426D1 (de) 2011-04-21

Family

ID=29606643

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60239426T Expired - Lifetime DE60239426D1 (de) 2002-05-31 2002-05-31 Verzerrungskompensator

Country Status (4)

Country Link
EP (1) EP1511180B1 (de)
JP (1) JP3866746B2 (de)
DE (1) DE60239426D1 (de)
WO (1) WO2003103165A1 (de)

Families Citing this family (6)

* 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
WO2007013177A1 (ja) * 2005-07-29 2007-02-01 Fujitsu Limited 遅延調整装置
JP2007318298A (ja) * 2006-05-24 2007-12-06 Stack Denshi Kk 歪補償回路
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
JP2008205759A (ja) * 2007-02-20 2008-09-04 Japan Radio Co Ltd 歪補償装置
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4014343B2 (ja) * 1999-12-28 2007-11-28 富士通株式会社 歪補償装置
US6590449B2 (en) * 2000-05-30 2003-07-08 Matsushita Electric Industrial Co., Ltd. Predistortion circuit, low-distortion power amplifier, and control methods therefor
JP4326673B2 (ja) * 2000-06-06 2009-09-09 富士通株式会社 非線形歪補償装置を有する通信装置の起動方法
JP3590571B2 (ja) * 2000-08-30 2004-11-17 株式会社日立国際電気 歪補償装置

Also Published As

Publication number Publication date
JPWO2003103165A1 (ja) 2005-10-06
EP1511180A4 (de) 2006-02-15
EP1511180A1 (de) 2005-03-02
JP3866746B2 (ja) 2007-01-10
WO2003103165A1 (ja) 2003-12-11
EP1511180B1 (de) 2011-03-09

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