DE602004021749D1 - Vorrichtung und Verfahren zur Koeffizientenschätzung - Google Patents

Vorrichtung und Verfahren zur Koeffizientenschätzung

Info

Publication number
DE602004021749D1
DE602004021749D1 DE602004021749T DE602004021749T DE602004021749D1 DE 602004021749 D1 DE602004021749 D1 DE 602004021749D1 DE 602004021749 T DE602004021749 T DE 602004021749T DE 602004021749 T DE602004021749 T DE 602004021749T DE 602004021749 D1 DE602004021749 D1 DE 602004021749D1
Authority
DE
Germany
Prior art keywords
coefficient estimation
estimation
coefficient
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.)
Expired - Lifetime
Application number
DE602004021749T
Other languages
German (de)
English (en)
Inventor
Walter Honcharenko
Kyriaki Konstantinou
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE602004021749D1 publication Critical patent/DE602004021749D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE602004021749T 2003-06-13 2004-05-28 Vorrichtung und Verfahren zur Koeffizientenschätzung Expired - Lifetime DE602004021749D1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE602004021749D1 true DE602004021749D1 (de) 2009-08-13

Family

ID=33418098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004021749T Expired - Lifetime DE602004021749D1 (de) 2003-06-13 2004-05-28 Vorrichtung und Verfahren zur Koeffizientenschätzung

Country Status (4)

Country Link
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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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
US5722056A (en) 1993-08-20 1998-02-24 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
US5870668A (en) 1995-08-18 1999-02-09 Fujitsu Limited Amplifier having distortion compensation and base station for radio communication using the same
JP3537228B2 (ja) * 1995-08-18 2004-06-14 富士通株式会社 無線通信用基地局
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
EP1193866A4 (en) * 1999-05-28 2007-02-07 Fujitsu Ltd PRE-FORCING AMPLIFIER FOR COMPENSATION OF DISTORTIONS
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
EP1489738A1 (en) 2004-12-22
US20040252784A1 (en) 2004-12-16
JP4791707B2 (ja) 2011-10-12
JP2005006326A (ja) 2005-01-06
EP1489738B1 (en) 2009-07-01
US7720171B2 (en) 2010-05-18

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