TW200744305A - Apparatus and method of dynamically adapting the LUT spacing for linearizing a power amplifier - Google Patents

Apparatus and method of dynamically adapting the LUT spacing for linearizing a power amplifier

Info

Publication number
TW200744305A
TW200744305A TW095123356A TW95123356A TW200744305A TW 200744305 A TW200744305 A TW 200744305A TW 095123356 A TW095123356 A TW 095123356A TW 95123356 A TW95123356 A TW 95123356A TW 200744305 A TW200744305 A TW 200744305A
Authority
TW
Taiwan
Prior art keywords
lut
spacing
linearizing
power amplifier
dynamically adapting
Prior art date
Application number
TW095123356A
Other languages
English (en)
Other versions
TWI326966B (en
Inventor
Chih-Hung Lin
Jiunn-Tsair Chen
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Publication of TW200744305A publication Critical patent/TW200744305A/zh
Application granted granted Critical
Publication of TWI326966B publication Critical patent/TWI326966B/zh

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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
TW095123356A 2006-05-26 2006-06-28 Apparatus and method of dynamically adapting the lut spacing for linearizing a power amplifier TWI326966B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/420,482 US7733978B2 (en) 2006-05-26 2006-05-26 Apparatus and method of dynamically adapting the LUT spacing for linearizing a power amplifier

Publications (2)

Publication Number Publication Date
TW200744305A true TW200744305A (en) 2007-12-01
TWI326966B TWI326966B (en) 2010-07-01

Family

ID=38622343

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095123356A TWI326966B (en) 2006-05-26 2006-06-28 Apparatus and method of dynamically adapting the lut spacing for linearizing a power amplifier

Country Status (4)

Country Link
US (1) US7733978B2 (zh)
CN (1) CN100495907C (zh)
DE (1) DE102006035817B4 (zh)
TW (1) TWI326966B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8208872B2 (en) 2008-11-17 2012-06-26 Realtek Semiconductor Corp. Distortion correction device and method for power amplifier
TWI400879B (zh) * 2008-06-30 2013-07-01 Advantest Corp A signal output device, a signal output control method, a computer program product, and a recording medium
TWI407686B (zh) * 2010-06-11 2013-09-01 Realtek Semiconductor Corp 應用於功率放大器之補償裝置、決定功率放大器之預失真值的方法以及補償功率放大器之線性度的方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8380143B2 (en) * 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US6985704B2 (en) 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
CN101479956B (zh) 2006-04-28 2013-07-31 大力系统有限公司 用于无线通信的高效率线性化功率放大器
WO2008078195A2 (en) 2006-12-26 2008-07-03 Dali Systems Co., Ltd. Method and system for baseband predistortion linearization in multi-channel wideband communication systems
US7957707B2 (en) * 2007-03-30 2011-06-07 Freescale Semiconductor, Inc. Systems, apparatus and method for performing digital pre-distortion based on lookup table gain values
CN101459636B (zh) * 2007-12-12 2012-04-18 中兴通讯股份有限公司 自适应预失真方法
CN101505139B (zh) * 2008-11-17 2011-08-17 深圳市云海通讯股份有限公司 一种数字线性预畸变方法和系统
DE102009034644A1 (de) 2009-07-24 2011-02-17 Jacob, Christian E., Dr. Ing. Verfahren und Einrichtung zur Spannungs- und Blindleistungsregelung der elektrisch erregten Synchronmaschine mit einer besonders robusten Anpassung an ihren nichtlinearen Magnetkreis
CN102143106B (zh) * 2010-02-01 2013-08-21 富士通株式会社 自适应数字预失真装置及方法
CN103597807B (zh) 2010-09-14 2015-09-30 大理系统有限公司 远程可重新配置的分布式天线系统和方法
CN102722564B (zh) * 2012-06-01 2014-11-05 华为技术有限公司 一种查表方法及装置
JP2014082749A (ja) * 2012-09-28 2014-05-08 Fordan Kk 複合電力増幅器を有する複合送信機
CN103281274B (zh) * 2013-04-25 2016-08-24 广州海格通信集团股份有限公司 一种数字预失真测量系统及其功率值定标测量方法
US10523316B2 (en) 2017-05-01 2019-12-31 Teradyne, Inc. Parametric information control
US10404363B2 (en) 2017-05-01 2019-09-03 Teradyne, Inc. Optical pin electronics
US10404364B2 (en) 2017-05-01 2019-09-03 Teradyne, Inc. Switch matrix system
US10715250B2 (en) * 2017-05-01 2020-07-14 Teradyne, Inc. Calibrating non-linear data
CN109560778B (zh) * 2018-12-24 2020-06-16 电子科技大学 一种高速跳频预失真系统与方法
US11316482B2 (en) * 2020-06-18 2022-04-26 Silicon Laboratories Inc. Radio frequency power amplifier adaptive digital pre-distortion
CN114421902B (zh) * 2022-01-21 2023-06-06 上海物骐微电子有限公司 适用于WiFi无记忆功放的预失真校准方法及应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049832A (en) 1990-04-20 1991-09-17 Simon Fraser University Amplifier linearization by adaptive predistortion
DE60333421D1 (de) * 2002-03-26 2010-09-02 Ca Minister Industry Adaptiver vorverzerrer basierend auf der wahrscheie
US20060040624A1 (en) 2002-12-20 2006-02-23 Dietmar Lipka Peak power limitation in an amplifier pooling scenario
US7259630B2 (en) * 2003-07-23 2007-08-21 Andrew Corporation Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter
JP4394409B2 (ja) * 2003-09-25 2010-01-06 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
US7170343B2 (en) 2003-12-27 2007-01-30 Electronics And Telecommunications Research Institute Fast LUT predistorter for power amplifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI400879B (zh) * 2008-06-30 2013-07-01 Advantest Corp A signal output device, a signal output control method, a computer program product, and a recording medium
US8208872B2 (en) 2008-11-17 2012-06-26 Realtek Semiconductor Corp. Distortion correction device and method for power amplifier
TWI407686B (zh) * 2010-06-11 2013-09-01 Realtek Semiconductor Corp 應用於功率放大器之補償裝置、決定功率放大器之預失真值的方法以及補償功率放大器之線性度的方法

Also Published As

Publication number Publication date
TWI326966B (en) 2010-07-01
US20070273439A1 (en) 2007-11-29
CN101079595A (zh) 2007-11-28
DE102006035817A1 (de) 2007-11-29
US7733978B2 (en) 2010-06-08
DE102006035817B4 (de) 2012-08-30
CN100495907C (zh) 2009-06-03

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees