DE602006000622D1 - Potenzreihenvorverzerrer mehrerer Frequenzbänder - Google Patents

Potenzreihenvorverzerrer mehrerer Frequenzbänder

Info

Publication number
DE602006000622D1
DE602006000622D1 DE602006000622T DE602006000622T DE602006000622D1 DE 602006000622 D1 DE602006000622 D1 DE 602006000622D1 DE 602006000622 T DE602006000622 T DE 602006000622T DE 602006000622 T DE602006000622 T DE 602006000622T DE 602006000622 D1 DE602006000622 D1 DE 602006000622D1
Authority
DE
Germany
Prior art keywords
frequency bands
multiple frequency
power series
series predistorter
predistorter
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.)
Active
Application number
DE602006000622T
Other languages
English (en)
Other versions
DE602006000622T2 (de
Inventor
Yasunori Suzuki
Shoichi Narahashi
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE602006000622D1 publication Critical patent/DE602006000622D1/de
Application granted granted Critical
Publication of DE602006000622T2 publication Critical patent/DE602006000622T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03F1/3258—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
DE602006000622T 2005-06-06 2006-06-02 Potenzreihenvorverzerrer mehrerer Frequenzbänder Active DE602006000622T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005166059 2005-06-06
JP2005166059 2005-06-06

Publications (2)

Publication Number Publication Date
DE602006000622D1 true DE602006000622D1 (de) 2008-04-17
DE602006000622T2 DE602006000622T2 (de) 2009-03-26

Family

ID=37054573

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006000622T Active DE602006000622T2 (de) 2005-06-06 2006-06-02 Potenzreihenvorverzerrer mehrerer Frequenzbänder

Country Status (6)

Country Link
US (1) US7539464B2 (de)
EP (1) EP1732208B1 (de)
JP (1) JP4344367B2 (de)
KR (1) KR100749732B1 (de)
CN (1) CN100527602C (de)
DE (1) DE602006000622T2 (de)

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JP5113871B2 (ja) * 2009-05-21 2013-01-09 株式会社エヌ・ティ・ティ・ドコモ べき級数型ディジタルプリディストータ及びその制御方法
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US8380144B1 (en) * 2011-09-30 2013-02-19 Telefonaktiebolaget L M Ericsson (Publ) Systems and methods for digital predistortion in a dual band transmitter
US8817859B2 (en) * 2011-10-14 2014-08-26 Fadhel Ghannouchi Digital multi-band predistortion linearizer with nonlinear subsampling algorithm in the feedback loop
US20140191799A1 (en) * 2011-12-09 2014-07-10 Ntt Docomo, Inc. Predistorter and predistorter control method
US8606197B2 (en) 2012-01-16 2013-12-10 Telefonaktiebolaget L M Ericsson (Publ) Method and system for generating odd order predistortions for a power amplifier receiving concurrent dual band inputs
US8520773B2 (en) * 2012-02-01 2013-08-27 Telefonaktiebolaget L M Ericsson (Publ) Power amplifier digital predistortion system for concurrent dual band inputs
US9071207B2 (en) 2012-02-03 2015-06-30 Telefonaktiebolaget L M Ericsson (Publ) Predistortion of concurrent multi-band signal to compensate for PA non-linearity
US8619906B2 (en) * 2012-03-15 2013-12-31 Telefonaktiebolaget L M Ericsson (Publ) Look up table-based sum predistorter for power amplifification with concurrent dual band inputs
US8923787B2 (en) * 2012-07-05 2014-12-30 Pierre-André LAPORTE Low sampling rate adaptation scheme for dual-band linearization
US20150244329A1 (en) * 2012-10-16 2015-08-27 Nokia Solutions And Networks Oy Technique for Extremely High Order IM Correction
US9385762B2 (en) 2013-05-22 2016-07-05 Telefonaktiebolaget L M Ericsson (Publ) Linearization of intermodulation bands for concurrent dual-band power amplifiers
US9252718B2 (en) 2013-05-22 2016-02-02 Telefonaktiebolaget L M Ericsson (Publ) Low complexity digital predistortion for concurrent multi-band transmitters
JP6508052B2 (ja) * 2013-09-26 2019-05-08 日本電気株式会社 信号送信装置、歪補償装置、及び信号送信方法
CN103746382A (zh) * 2013-12-31 2014-04-23 上海东瑞节能科技有限公司 有源电力滤波系统
JP2015207887A (ja) 2014-04-18 2015-11-19 富士通株式会社 無線送信装置及び歪補償方法
US9735741B2 (en) 2014-08-28 2017-08-15 Analog Devices Global Receivers for digital predistortion
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US9509350B1 (en) * 2015-06-11 2016-11-29 Infineon Technologies Ag Devices and methods for adaptive crest factor reduction in dynamic predistortion
CN105227145B (zh) * 2015-09-06 2018-08-21 上海华虹宏力半导体制造有限公司 射频非线性失真检测电路
US9590668B1 (en) 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator
US10812166B2 (en) 2016-10-07 2020-10-20 Nanosemi, Inc. Beam steering digital predistortion
US11057004B2 (en) 2017-02-25 2021-07-06 Nanosemi, Inc. Multiband digital predistorter
US10141961B1 (en) 2017-05-18 2018-11-27 Nanosemi, Inc. Passive intermodulation cancellation
US11115067B2 (en) 2017-06-09 2021-09-07 Nanosemi, Inc. Multi-band linearization system
US10931318B2 (en) 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US10581470B2 (en) 2017-06-09 2020-03-03 Nanosemi, Inc. Linearization system
WO2019014422A1 (en) 2017-07-12 2019-01-17 Nanosemi, Inc. SYSTEMS AND METHODS FOR CONTROLLING RADIOS MADE WITH DIGITAL PREDISTORSION
US11303251B2 (en) 2017-10-02 2022-04-12 Nanosemi, Inc. Digital predistortion adjustment based on determination of load condition characteristics
JP2021523629A (ja) * 2018-05-11 2021-09-02 ナノセミ， インク．Ｎａｎｏｓｅｍｉ， Ｉｎｃ． 非線形システム用デジタル補償器
US10644657B1 (en) 2018-05-11 2020-05-05 Nanosemi, Inc. Multi-band digital compensator for a non-linear system
US10931238B2 (en) 2018-05-25 2021-02-23 Nanosemi, Inc. Linearization with envelope tracking or average power tracking
CN112640299A (zh) 2018-05-25 2021-04-09 纳诺塞米有限公司 变化操作条件下的数字预失真
US11863210B2 (en) 2018-05-25 2024-01-02 Nanosemi, Inc. Linearization with level tracking
DE112019005221T5 (de) * 2018-10-19 2021-07-08 Nanosemi, Inc. Digitaler Mehrbandkompensator für ein nichtlineares System
US10992326B1 (en) 2020-05-19 2021-04-27 Nanosemi, Inc. Buffer management for adaptive digital predistortion

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Also Published As

Publication number Publication date
EP1732208B1 (de) 2008-03-05
US20060276147A1 (en) 2006-12-07
CN1877987A (zh) 2006-12-13
KR20060127785A (ko) 2006-12-13
CN100527602C (zh) 2009-08-12
DE602006000622T2 (de) 2009-03-26
KR100749732B1 (ko) 2007-08-17
JP4344367B2 (ja) 2009-10-14
JP2007020157A (ja) 2007-01-25
US7539464B2 (en) 2009-05-26
EP1732208A1 (de) 2006-12-13

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Legal Events

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