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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CN102130697B (zh) 2010-01-20 2015-05-27 华为技术有限公司 接收机、发射机及反馈装置、收发信机和信号处理方法
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CN102439994B (zh) * 2011-07-22 2013-11-06 华为技术有限公司 光器件滤波带宽的调整方法及装置
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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
JP5620590B2 (ja) * 2011-12-09 2014-11-05 株式会社Ｎｔｔドコモ プリディストータ、プリディストータ制御方法
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
EP2909985A4 (de) * 2012-10-16 2016-09-14 Nokia Solutions & Networks Oy Verfahren für im-korrektur extrem hoher ordnung
US9252718B2 (en) 2013-05-22 2016-02-02 Telefonaktiebolaget L M Ericsson (Publ) Low complexity digital predistortion for concurrent multi-band transmitters
US9385762B2 (en) 2013-05-22 2016-07-05 Telefonaktiebolaget L M Ericsson (Publ) Linearization of intermodulation bands for concurrent dual-band power amplifiers
US9596120B2 (en) 2013-09-26 2017-03-14 Nec Corporation Signal transmission apparatus, distortion compensation apparatus, and signal transmission method
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
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US9590668B1 (en) 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator
EP3523856A4 (de) 2016-10-07 2020-06-24 NanoSemi, Inc. Strahllenkende digitale vorverzerrung
EP3586439A4 (de) 2017-02-25 2021-01-06 NanoSemi, Inc. Digitaler mehrband-vorverzerrer
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
US10581470B2 (en) 2017-06-09 2020-03-03 Nanosemi, Inc. Linearization system
US10931318B2 (en) 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US11323188B2 (en) 2017-07-12 2022-05-03 Nanosemi, Inc. Monitoring systems and methods for radios implemented with digital predistortion
US11303251B2 (en) 2017-10-02 2022-04-12 Nanosemi, Inc. Digital predistortion adjustment based on determination of load condition characteristics
WO2019217811A1 (en) * 2018-05-11 2019-11-14 Nanosemi, Inc. Digital compensator for a non-linear system
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
JP2021524692A (ja) 2018-05-25 2021-09-13 ナノセミ， インク．Ｎａｎｏｓｅｍｉ， Ｉｎｃ． 様々な動作条件におけるデジタルプレディストーション
US11863210B2 (en) 2018-05-25 2024-01-02 Nanosemi, Inc. Linearization with level tracking
CN113196653B (zh) * 2018-10-19 2024-04-05 纳诺塞米有限公司 用于非线性系统的多带数字补偿器
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
DE602006000622T2 (de) 2009-03-26
JP2007020157A (ja) 2007-01-25
CN100527602C (zh) 2009-08-12
KR20060127785A (ko) 2006-12-13
JP4344367B2 (ja) 2009-10-14
CN1877987A (zh) 2006-12-13
US7539464B2 (en) 2009-05-26
KR100749732B1 (ko) 2007-08-17
EP1732208A1 (de) 2006-12-13
US20060276147A1 (en) 2006-12-07
EP1732208B1 (de) 2008-03-05

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Legal Events

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