DE69907893D1 - Vorverzerrer - Google Patents

Vorverzerrer

Info

Publication number
DE69907893D1
DE69907893D1 DE69907893T DE69907893T DE69907893D1 DE 69907893 D1 DE69907893 D1 DE 69907893D1 DE 69907893 T DE69907893 T DE 69907893T DE 69907893 T DE69907893 T DE 69907893T DE 69907893 D1 DE69907893 D1 DE 69907893D1
Authority
DE
Germany
Prior art keywords
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.)
Expired - Fee Related
Application number
DE69907893T
Other languages
English (en)
Other versions
DE69907893T2 (de
Inventor
Peter Kennington
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.)
Commscope Technologies LLC
Original Assignee
Wireless Systems International Ltd
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 Wireless Systems International Ltd filed Critical Wireless Systems International Ltd
Publication of DE69907893D1 publication Critical patent/DE69907893D1/de
Application granted granted Critical
Publication of DE69907893T2 publication Critical patent/DE69907893T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/438—Separate feedback of amplitude and phase signals being present
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/57—Separate feedback of real and complex signals being present

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)
DE69907893T 1998-03-06 1999-03-08 Vorverzerrer Expired - Fee Related DE69907893T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9804835 1998-03-06
GBGB9804835.8A GB9804835D0 (en) 1998-03-06 1998-03-06 Predistorter
PCT/GB1999/000698 WO1999045640A1 (en) 1998-03-06 1999-03-08 A predistorter

Publications (2)

Publication Number Publication Date
DE69907893D1 true DE69907893D1 (de) 2003-06-18
DE69907893T2 DE69907893T2 (de) 2004-04-15

Family

ID=10828140

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69907893T Expired - Fee Related DE69907893T2 (de) 1998-03-06 1999-03-08 Vorverzerrer

Country Status (8)

Country Link
US (1) US6437644B1 (de)
EP (1) EP1066682B1 (de)
JP (1) JP2002506307A (de)
CN (1) CN1297608A (de)
AU (1) AU2737399A (de)
DE (1) DE69907893T2 (de)
GB (1) GB9804835D0 (de)
WO (1) WO1999045640A1 (de)

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JP3570898B2 (ja) * 1998-08-24 2004-09-29 日本電気株式会社 プレディストーション回路
DE60002437T2 (de) 1999-02-12 2004-04-01 Wireless Systems International Ltd. Signalverarbeitungsvorrichtung
GB2354126B (en) * 1999-09-13 2004-07-21 Wireless Systems Int Ltd Signal processing
EP1104093A1 (de) 1999-11-24 2001-05-30 Telefonaktiebolaget Lm Ericsson Verfahren und Vorrichtung zur Erzeugung eines hochfrequenten Signals
GB2356992B (en) * 1999-12-02 2004-07-14 Wireless Systems Int Ltd Control scheme for distorton reduction
WO2001045279A1 (en) * 1999-12-17 2001-06-21 Nokia Corporation Linearisation method and signal processing device
DE19962340B4 (de) * 1999-12-23 2005-11-03 Robert Bosch Gmbh Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle
DE10009596A1 (de) * 2000-02-29 2001-08-30 Bosch Gmbh Robert Vorrichtung zur Linearisierung eines Hochfrequenz-Verstärkers
US6590449B2 (en) * 2000-05-30 2003-07-08 Matsushita Electric Industrial Co., Ltd. Predistortion circuit, low-distortion power amplifier, and control methods therefor
US6934341B2 (en) 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
KR100438445B1 (ko) * 2001-03-22 2004-07-03 삼성전자주식회사 비선형 왜곡 보상 방법 및 비선형 왜곡 보상 회로
JP2002368547A (ja) * 2001-06-11 2002-12-20 Hitachi Kokusai Electric Inc 歪み改善回路
US6794937B1 (en) * 2001-11-30 2004-09-21 Alcatel Predistortion linearizer and method for linearizing a nonlinear device
US7657241B2 (en) * 2002-02-01 2010-02-02 Qualcomm, Incorporated Distortion reduction calibration
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
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
DE60235127D1 (de) * 2002-10-31 2010-03-04 Zte Corp Verfahren und system für breitband-vorverzerrungslinearisierung
JP4657920B2 (ja) * 2002-11-14 2011-03-23 株式会社日立国際電気 歪み補償回路、歪み補償信号生成方法、及び電力増幅器
US20040125885A1 (en) * 2002-12-27 2004-07-01 Roger Branson Intermodulation product cancellation in communications
US7313370B2 (en) * 2002-12-27 2007-12-25 Nokia Siemens Networks Oy Intermodulation product cancellation in communications
US7289773B2 (en) * 2003-01-23 2007-10-30 Powerwave Technologies, Inc. Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller
US7366252B2 (en) * 2004-01-21 2008-04-29 Powerwave Technologies, Inc. Wideband enhanced digital injection predistortion system and method
US7336725B2 (en) * 2004-03-03 2008-02-26 Powerwave Technologies, Inc. Digital predistortion system and method for high efficiency transmitters
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
JP4976648B2 (ja) * 2004-10-27 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ プリディストータ
US20060125559A1 (en) * 2004-12-15 2006-06-15 Uri Garbi Method of enhancing power amplifier linearity
FI20055012A0 (fi) * 2005-01-07 2005-01-07 Nokia Corp Lähetyssignaalin leikkaaminen
EP1851927B1 (de) * 2005-02-24 2015-12-09 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Iq-modulator-vorverzerrung
US7193462B2 (en) * 2005-03-22 2007-03-20 Powerwave Technologies, Inc. RF power amplifier system employing an analog predistortion module using zero crossings
JP4344367B2 (ja) 2005-06-06 2009-10-14 株式会社エヌ・ティ・ティ・ドコモ 多周波帯用べき級数型プリディストータ
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
JP4720468B2 (ja) * 2005-12-07 2011-07-13 日本電気株式会社 非線形歪み補償回路及びその方法並びにそれを用いた無線送信システム
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US7876867B2 (en) * 2006-08-08 2011-01-25 Qualcomm Incorporated Intermodulation distortion detection and mitigation
JP2008048032A (ja) * 2006-08-11 2008-02-28 Hitachi Kokusai Electric Inc 歪補償装置
CN104202279A (zh) 2006-12-26 2014-12-10 大力系统有限公司 用于多信道宽带通信系统中的基带预失真线性化的方法和系统
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
CN102150361B (zh) * 2007-12-07 2016-11-09 大力系统有限公司 基带导出的射频数字预失真
JP4766061B2 (ja) * 2008-02-05 2011-09-07 住友電気工業株式会社 プリディストータ、拡張型プリディストータ及び増幅回路
CN101697477B (zh) * 2009-10-28 2011-12-28 深圳市云海通讯股份有限公司 调整功放电路输出信号线性度的系统、方法及功放电路
US8615207B2 (en) * 2010-02-01 2013-12-24 Intersil Americas Inc. Power amplifier linearization feedback methods and systems
US8682338B2 (en) 2010-09-14 2014-03-25 Dali Systems Co., Ltd. Remotely reconfigurable distributed antenna system and methods
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
US20130076437A1 (en) 2011-09-22 2013-03-28 Telefonaktiebolaget L M Ericsson (Publ) Combined predistorter and feedforward corrector apparatus suitable for use in a transmitter
KR20160058855A (ko) 2013-09-17 2016-05-25 파커비전, 인크. 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템
JP6508052B2 (ja) * 2013-09-26 2019-05-08 日本電気株式会社 信号送信装置、歪補償装置、及び信号送信方法
US9184784B2 (en) * 2014-03-10 2015-11-10 Texas Instruments Incorporated Method and apparatus for digital predistortion for a switched mode power amplifier
JP2016001846A (ja) 2014-06-12 2016-01-07 富士通株式会社 歪み補償装置及び歪み補償方法
JP6490603B2 (ja) * 2016-01-06 2019-03-27 株式会社東芝 プリディストーション回路及び通信装置
CN108075790B (zh) * 2017-11-28 2019-06-18 东南大学 一种具有抑制幅度可控性的射频发射机边带失真分量的抑制系统及方法
WO2019146549A1 (ja) * 2018-01-23 2019-08-01 株式会社村田製作所 電力増幅回路

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GB678946A (en) 1949-12-06 1952-09-10 Courtaulds Ltd Improvements in and relating to the wet spinning of artificial fibres
GB751614A (en) 1954-01-19 1956-07-04 Carroll Richard Levis Improvements in water skis and the like
US3732502A (en) 1971-06-17 1973-05-08 Bell Telephone Labor Inc Distortion compensated electromagnetic wave circuits
DE2306294A1 (de) 1973-02-08 1974-08-15 Rohde & Schwarz Schaltung zur kompensation der nichtlinearitaet eines verstaerkers, insbesondere des leistungsverstaerkers eines fernsehsenders
DE3002995C2 (de) * 1979-02-13 1983-09-29 Nippon Telegraph & Telephone Public Corp., Tokyo Anpassbares Entzerrungssystem
DE3047292A1 (de) * 1980-12-16 1982-07-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "entzerrer mit laufzeitgliedern und bewertungsgliedern"
US4811422A (en) * 1986-12-22 1989-03-07 Kahn Leonard R Reduction of undesired harmonic components
EP0465709A1 (de) * 1990-07-12 1992-01-15 Thomcast Ag Verfahren zur Kompensation von Nichtlinearitäten einer Verstärkerschaltung
US5193224A (en) * 1991-04-24 1993-03-09 Northern Telecom Limited Adaptive phase control for a power amplifier predistorter
RU2142670C1 (ru) * 1995-11-16 1999-12-10 Самсунг Электроникс Ко., Лтд. Устройство линейного усиления мощности

Also Published As

Publication number Publication date
CN1297608A (zh) 2001-05-30
EP1066682A1 (de) 2001-01-10
GB9804835D0 (en) 1998-04-29
WO1999045640A1 (en) 1999-09-10
AU2737399A (en) 1999-09-20
JP2002506307A (ja) 2002-02-26
EP1066682B1 (de) 2003-05-14
US6437644B1 (en) 2002-08-20
DE69907893T2 (de) 2004-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ANDREW CORP., CHICAGO, III, US

8339 Ceased/non-payment of the annual fee