JP4791707B2 - 係数推定の方法および装置 - Google Patents

係数推定の方法および装置 Download PDF

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Publication number
JP4791707B2
JP4791707B2 JP2004173271A JP2004173271A JP4791707B2 JP 4791707 B2 JP4791707 B2 JP 4791707B2 JP 2004173271 A JP2004173271 A JP 2004173271A JP 2004173271 A JP2004173271 A JP 2004173271A JP 4791707 B2 JP4791707 B2 JP 4791707B2
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Prior art keywords
amplifier
predistortion
unit
signal
transmitter
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Japanese (ja)
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JP2005006326A5 (enExample
JP2005006326A (ja
Inventor
ホンチャレンコ ウォルター
コンスタンティノウ キリアキ
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アルカテル−ルーセント ユーエスエー インコーポレーテッド
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    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
JP2004173271A 2003-06-13 2004-06-11 係数推定の方法および装置 Expired - Fee Related JP4791707B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/460,380 US7720171B2 (en) 2003-06-13 2003-06-13 Coefficient estimation method and apparatus
US10/460380 2003-06-13

Publications (3)

Publication Number Publication Date
JP2005006326A JP2005006326A (ja) 2005-01-06
JP2005006326A5 JP2005006326A5 (enExample) 2007-07-26
JP4791707B2 true JP4791707B2 (ja) 2011-10-12

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ID=33418098

Family Applications (1)

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JP2004173271A Expired - Fee Related JP4791707B2 (ja) 2003-06-13 2004-06-11 係数推定の方法および装置

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US (1) US7720171B2 (enExample)
EP (1) EP1489738B1 (enExample)
JP (1) JP4791707B2 (enExample)
DE (1) DE602004021749D1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653147B2 (en) * 2005-08-17 2010-01-26 Intel Corporation Transmitter control
KR100646855B1 (ko) * 2005-10-07 2006-11-23 한국전자통신연구원 고전력 증폭기의 특성 모델링을 이용한 비선형 왜곡 보상장치 및 그 방법
TWI363487B (en) * 2008-10-20 2012-05-01 Ralink Technology Corp Lookup table generation method and related device for a predistorter
CN102082752B (zh) * 2010-02-25 2014-03-19 电信科学技术研究院 一种数字预失真处理方法及设备
US8787494B2 (en) * 2012-06-11 2014-07-22 Telefonaktiebolaget L M Ericsson (Publ) Modeling digital predistorter
JP6035919B2 (ja) * 2012-07-09 2016-11-30 富士通株式会社 送信装置、及び送信方法
JP6255917B2 (ja) * 2013-11-07 2018-01-10 富士通株式会社 無線装置及び無線アクセスシステム

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* Cited by examiner, † Cited by third party
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GB2265269B (en) * 1992-03-02 1995-08-30 Motorola Ltd Radio transmitter with linearization training sequence
GB2272133B (en) * 1992-11-02 1996-06-12 Motorola Inc Radio system
EP0665996A1 (en) * 1993-08-20 1995-08-09 Motorola, Inc. Radio transmitter with power amplifier linearizer
JP3300185B2 (ja) * 1995-01-31 2002-07-08 株式会社日立国際電気 無線機および無線機の使用方法
US5748678A (en) * 1995-07-13 1998-05-05 Motorola, Inc. Radio communications apparatus
JP3537228B2 (ja) * 1995-08-18 2004-06-14 富士通株式会社 無線通信用基地局
US5870668A (en) * 1995-08-18 1999-02-09 Fujitsu Limited Amplifier having distortion compensation and base station for radio communication using the same
US5892397A (en) * 1996-03-29 1999-04-06 Spectrian Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude
JPH10132883A (ja) * 1996-11-01 1998-05-22 Shimada Phys & Chem Ind Co Ltd 増幅器の特性監視方法及び監視制御装置
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US5867065A (en) * 1997-05-07 1999-02-02 Glenayre Electronics, Inc. Frequency selective predistortion in a linear transmitter
US6054894A (en) * 1998-06-19 2000-04-25 Datum Telegraphic Inc. Digital control of a linc linear power amplifier
US6054896A (en) * 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
US6600792B2 (en) * 1998-06-26 2003-07-29 Qualcomm Incorporated Predistortion technique for high power amplifiers
US6272336B1 (en) * 1998-12-30 2001-08-07 Samsung Electronics Co., Ltd. Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation
WO2000074232A1 (en) * 1999-05-28 2000-12-07 Fujitsu Limited Predistortion type distortion compensation amplifier
US6587514B1 (en) * 1999-07-13 2003-07-01 Pmc-Sierra, Inc. Digital predistortion methods for wideband amplifiers
US6246286B1 (en) * 1999-10-26 2001-06-12 Telefonaktiebolaget Lm Ericsson Adaptive linearization of power amplifiers
US6751447B1 (en) * 1999-12-30 2004-06-15 Samsung Electronics Cop., Ltd. Adaptive digital pre-distortion circuit using output reference signal and method of operation
JP2002064411A (ja) * 2000-08-16 2002-02-28 Matsushita Electric Ind Co Ltd ディジタル送信装置
SE517456C2 (sv) * 2000-09-07 2002-06-11 Ericsson Telefon Ab L M MCPA-kalibrering off-line
US6545535B2 (en) * 2000-10-12 2003-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing distortion
KR20020054149A (ko) * 2000-12-27 2002-07-06 엘지전자 주식회사 디지털 전치왜곡기를 갖는 기지국 송신장치
US6496062B1 (en) * 2001-07-13 2002-12-17 Lucent Technologies Inc. Predistortion system and method using a pilot signal
KR100408043B1 (ko) * 2001-09-21 2003-12-01 엘지전자 주식회사 디지탈 아이에프 기술을 적용한 전치 왜곡 방식의 디지털선형화기
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
JP4654555B2 (ja) * 2001-09-27 2011-03-23 日本電気株式会社 送信電力制御システムおよび送信電力調整方法
US7058369B1 (en) * 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers
US7085330B1 (en) * 2002-02-15 2006-08-01 Marvell International Ltd. Method and apparatus for amplifier linearization using adaptive predistortion
US7313199B2 (en) * 2002-03-21 2007-12-25 Hypres, Inc. Power amplifier linearization
US6775330B2 (en) * 2002-04-29 2004-08-10 The Boeing Company Predistorted modulation system for bandwidth efficient satellite links
US6879641B2 (en) * 2002-06-13 2005-04-12 Bigband Networks Bas, Inc. Transmit pre-equalization in a modem environment
US6642786B1 (en) * 2002-08-15 2003-11-04 Electronics And Telecommunications Research Institute Piecewise polynomial predistortion method and apparatus for compensating nonlinear distortion of high power amplifier
US20040142667A1 (en) * 2003-01-21 2004-07-22 Lochhead Donald Laird Method of correcting distortion in a power amplifier
US6985033B1 (en) * 2003-05-15 2006-01-10 Marvell International Ltd. Circuits and methods for adjusting power amplifier predistortion, and power amplifiers and other devices including the same

Also Published As

Publication number Publication date
US20040252784A1 (en) 2004-12-16
JP2005006326A (ja) 2005-01-06
DE602004021749D1 (de) 2009-08-13
EP1489738B1 (en) 2009-07-01
EP1489738A1 (en) 2004-12-22
US7720171B2 (en) 2010-05-18

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