BRPI0924414A2 - "método e aparelho para linearização de um amplificador de potência não linear" - Google Patents

"método e aparelho para linearização de um amplificador de potência não linear"

Info

Publication number
BRPI0924414A2
BRPI0924414A2 BRPI0924414A BRPI0924414A BRPI0924414A2 BR PI0924414 A2 BRPI0924414 A2 BR PI0924414A2 BR PI0924414 A BRPI0924414 A BR PI0924414A BR PI0924414 A BRPI0924414 A BR PI0924414A BR PI0924414 A2 BRPI0924414 A2 BR PI0924414A2
Authority
BR
Brazil
Prior art keywords
linearisation
power amplifier
nonlinear power
nonlinear
amplifier
Prior art date
Application number
BRPI0924414A
Other languages
English (en)
Inventor
Aimin You
James Peroulas
Original Assignee
Zte Wistron Telecom Ab
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 Zte Wistron Telecom Ab filed Critical Zte Wistron Telecom Ab
Publication of BRPI0924414A2 publication Critical patent/BRPI0924414A2/pt

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
BRPI0924414A 2009-03-09 2009-03-09 "método e aparelho para linearização de um amplificador de potência não linear" BRPI0924414A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/070701 WO2010102441A1 (en) 2009-03-09 2009-03-09 Method and apparatus for linearizing a non-linear power amplifier

Publications (1)

Publication Number Publication Date
BRPI0924414A2 true BRPI0924414A2 (pt) 2016-01-26

Family

ID=42049548

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0924414A BRPI0924414A2 (pt) 2009-03-09 2009-03-09 "método e aparelho para linearização de um amplificador de potência não linear"

Country Status (6)

Country Link
US (1) US8482349B2 (pt)
EP (1) EP2406880B1 (pt)
JP (1) JP5323950B2 (pt)
CN (1) CN101689836B (pt)
BR (1) BRPI0924414A2 (pt)
WO (1) WO2010102441A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103947106B (zh) * 2011-11-17 2017-08-15 美国亚德诺半导体公司 一种用于使非线性的***元件线性化的方法、***及设备
US8761241B2 (en) * 2012-03-15 2014-06-24 Telefonaktiebolaget Lm Ericsson (Publ) Method of transmitting data samples with reduced bandwidth
US9094067B2 (en) 2012-09-12 2015-07-28 Mediatek Singapore Pte. Ltd. Method and apparatus for calibrating an envelope tracking system
EP3000175B1 (en) 2013-05-20 2019-02-27 Analog Devices, Inc. Relaxed digitization system linearization
JP2015002492A (ja) * 2013-06-18 2015-01-05 日本無線株式会社 非線形系モデリング装置および非線形補償装置
CN104301048B (zh) * 2014-09-12 2016-08-24 深圳市极致汇仪科技有限公司 一种发射/接收设备功率校准方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389618A (en) * 1981-04-15 1983-06-21 The United States Of America As Represented By The Secretary Of The Navy Adaptive feed-forward system
US5999718A (en) * 1998-02-18 1999-12-07 Hughes Electronics Corporation Linearizer method and apparatus
KR100318919B1 (ko) 1998-07-07 2002-07-12 윤종용 자동이득조절회로를구비한전치보상기및이를이용한전치보상방법
US6118335A (en) * 1999-05-06 2000-09-12 Nortel Networks Corporation Method and apparatus for providing adaptive predistortion in power amplifier and base station utilizing same
US6356146B1 (en) * 1999-07-13 2002-03-12 Pmc-Sierra, Inc. Amplifier measurement and modeling processes for use in generating predistortion parameters
US6246286B1 (en) * 1999-10-26 2001-06-12 Telefonaktiebolaget Lm Ericsson Adaptive linearization of power amplifiers
US7145962B2 (en) 2000-08-04 2006-12-05 Lg-Nortel Co., Ltd. Predistortion digital linearizer and gain controlling method thereof
KR20020054149A (ko) * 2000-12-27 2002-07-06 엘지전자 주식회사 디지털 전치왜곡기를 갖는 기지국 송신장치
CN1166053C (zh) * 2001-05-08 2004-09-08 华为技术有限公司 自适应射频数字预失真线性化方法及其电路
US6498529B1 (en) * 2001-06-08 2002-12-24 Lucent Technologies Inc. Method and apparatus for calculating the predistortion function from a power amplifier
US20030058959A1 (en) * 2001-09-25 2003-03-27 Caly Networks. Combined digital adaptive pre-distorter and pre-equalizer system for modems in link hopping radio networks
SE520728C2 (sv) * 2001-11-12 2003-08-19 Ericsson Telefon Ab L M Förfarande för icke-linjär modellering
US6853246B2 (en) 2002-04-18 2005-02-08 Agere Systems Inc. Adaptive predistortion system and a method of adaptively predistorting a signal
CN100511979C (zh) * 2003-08-22 2009-07-08 华为技术有限公司 一种功放***及其产生预失真信号的方法
EP1716635B1 (en) * 2003-11-25 2011-01-05 Telefonaktiebolaget LM Ericsson (publ) Power amplifier pre-distorter training
EP1800396B1 (en) * 2004-09-15 2015-01-14 Unwired Planet International Limited An arrangement and a method relating to signal predistortion
US7590190B2 (en) * 2004-11-10 2009-09-15 Powerwave Technologies, Inc. System and method for forward path gain control in a digital predistortion linearized transmitter
JP2008177899A (ja) * 2007-01-19 2008-07-31 Sumitomo Electric Ind Ltd 増幅回路及び無線通信装置
US8384476B2 (en) * 2008-08-11 2013-02-26 Qualcomm, Incorporated Adaptive digital predistortion of complex modulated waveform using peak and RMS voltage feedback from the output of a power amplifier

Also Published As

Publication number Publication date
CN101689836B (zh) 2012-09-05
EP2406880A1 (en) 2012-01-18
US20120092067A1 (en) 2012-04-19
JP5323950B2 (ja) 2013-10-23
EP2406880A4 (en) 2013-09-04
WO2010102441A1 (en) 2010-09-16
CN101689836A (zh) 2010-03-31
EP2406880B1 (en) 2015-02-25
US8482349B2 (en) 2013-07-09
JP2012520033A (ja) 2012-08-30

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B11E Dismissal acc. art. 34 of ipl - requirements for examination incomplete
B11T Dismissal of application maintained [chapter 11.20 patent gazette]