AU2000238065A1 - System for reducing adjacent-channel interference by pre-linearization and pre-distortion - Google Patents

System for reducing adjacent-channel interference by pre-linearization and pre-distortion

Info

Publication number
AU2000238065A1
AU2000238065A1 AU2000238065A AU3806500A AU2000238065A1 AU 2000238065 A1 AU2000238065 A1 AU 2000238065A1 AU 2000238065 A AU2000238065 A AU 2000238065A AU 3806500 A AU3806500 A AU 3806500A AU 2000238065 A1 AU2000238065 A1 AU 2000238065A1
Authority
AU
Australia
Prior art keywords
linearization
distortion
channel interference
reducing adjacent
reducing
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.)
Abandoned
Application number
AU2000238065A
Other languages
English (en)
Inventor
Heinz Gerhauser
Rainer Perthold
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of AU2000238065A1 publication Critical patent/AU2000238065A1/en
Abandoned 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU2000238065A 2000-02-24 2000-02-24 System for reducing adjacent-channel interference by pre-linearization and pre-distortion Abandoned AU2000238065A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2000/001539 WO2001063750A1 (en) 2000-02-24 2000-02-24 System for reducing adjacent-channel interference by pre-linearization and pre-distortion

Publications (1)

Publication Number Publication Date
AU2000238065A1 true AU2000238065A1 (en) 2001-09-03

Family

ID=8163849

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000238065A Abandoned AU2000238065A1 (en) 2000-02-24 2000-02-24 System for reducing adjacent-channel interference by pre-linearization and pre-distortion

Country Status (5)

Country Link
US (1) US6621340B1 (de)
EP (1) EP1258080B1 (de)
AU (1) AU2000238065A1 (de)
DE (1) DE60003954T2 (de)
WO (1) WO2001063750A1 (de)

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GB0110106D0 (en) * 2001-04-25 2001-06-20 Filtronic Plc Electrical signal preconditioning
GB0123494D0 (en) * 2001-09-28 2001-11-21 Roke Manor Research Polynormial pre-disorter
JP4012725B2 (ja) 2001-12-05 2007-11-21 株式会社日立コミュニケーションテクノロジー プリディストーション型増幅装置
US6801086B1 (en) 2002-04-03 2004-10-05 Andrew Corporation Adaptive digital pre-distortion using amplifier model that incorporates frequency-dependent non-linearities
WO2003096548A2 (de) * 2002-05-14 2003-11-20 Siemens Aktiengesellschaft Verfahren zum erzeugen eines sendesignals
US7116726B2 (en) * 2002-08-12 2006-10-03 Cubic Corporation Method and apparatus for transferring multiple symbol streams at low bit-error rates in a narrowband channel
US7298854B2 (en) * 2002-12-04 2007-11-20 M/A-Com, Inc. Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
US7254195B2 (en) * 2003-08-25 2007-08-07 M/A-Com, Inc. Apparatus, methods and articles of manufacture for dynamic differential delay correction
US7340007B2 (en) * 2003-09-16 2008-03-04 M/A-Com, Inc. Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
JP4621245B2 (ja) * 2004-03-25 2011-01-26 オプティクロン・インコーポレーテッド デジタル線形化システム
WO2005094548A2 (en) * 2004-03-25 2005-10-13 Optichron, Inc. Reduced complexity nonlinear filters for analog-to-digital converter linearization
DE102004038089B4 (de) * 2004-08-05 2016-02-04 Rohde & Schwarz Gmbh & Co. Kg Reglergestütztes Verfahren und reglergestützte Vorrichtung zur Bestimmung der Kennlinie eines Kompensationsgliedes in einem Pegelkreis
FI20055012A0 (fi) * 2005-01-07 2005-01-07 Nokia Corp Lähetyssignaalin leikkaaminen
JP4280787B2 (ja) * 2005-02-17 2009-06-17 株式会社日立国際電気 プリディストータ
US7426372B2 (en) * 2005-03-31 2008-09-16 M/A-Com Eurotec B.V. Piecewise linearizer circuit for radio frequency amplification
US7307570B2 (en) * 2005-07-20 2007-12-11 M/A-Com, Inc. Method and apparatus to emulate a filter
US7436339B2 (en) * 2005-07-20 2008-10-14 M/A-Com, Inc. Method and apparatus to emulate a filter using digital elements
US20070063888A1 (en) * 2005-09-22 2007-03-22 M/A-Com, Inc. Single side band radar
KR100795559B1 (ko) * 2005-12-09 2008-01-21 한국전자통신연구원 직교 주파수 분할 다중화 방식의 무선 시스템에서 고주파왜곡 현상의 보상 장치 및 방법
KR100865886B1 (ko) * 2005-12-14 2008-10-29 삼성전자주식회사 고주파 증폭기의 비선형성을 보정하기 위한 장치
US7599418B2 (en) * 2006-02-16 2009-10-06 Pine Valley Investments, Inc. Method and apparatus for a frequency hopper
US8050783B2 (en) * 2007-03-12 2011-11-01 Pine Valley Investments, Inc. System and method for pre-distorting a device input
US7869543B2 (en) * 2007-03-13 2011-01-11 Pine Valley Investments, Inc. System and method for synchronization, power control, calibration, and modulation in communication transmitters
US8009765B2 (en) * 2007-03-13 2011-08-30 Pine Valley Investments, Inc. Digital polar transmitter
WO2010073990A1 (ja) * 2008-12-22 2010-07-01 株式会社日立製作所 光送信器及び光ｏｆｄｍ通信システム
US8229029B2 (en) * 2009-01-14 2012-07-24 Harris Corporation Transmitter with reduced spectral regrowth and associated methods
US9655069B2 (en) * 2011-09-09 2017-05-16 Vixs Systems, Inc. Dynamic transmitter calibration
KR101822763B1 (ko) * 2013-08-30 2018-01-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 일정한 엔벨로프를 가진 신호를 전송하기 위한 방법 및 장치
JP6611441B2 (ja) 2014-02-28 2019-11-27 地方独立行政法人東京都立産業技術研究センター 周波数変換ユニット、計測システム及び計測方法
US9300333B2 (en) * 2014-08-01 2016-03-29 Apple Inc. Methods for computing predistortion values for wireless systems
US9369219B1 (en) * 2015-03-02 2016-06-14 Apple Inc. Radio frequency systems and methods for controlling spurious emissions

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Publication number Priority date Publication date Assignee Title
US4462001A (en) 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
US4453133A (en) 1982-04-05 1984-06-05 Bell Telephone Laboratories, Incorporated Active predistorter for linearity compensation
US4465980A (en) 1982-09-23 1984-08-14 Rca Corporation Predistortion circuit for a power amplifier
US4706287A (en) * 1984-10-17 1987-11-10 Kintek, Inc. Stereo generator
GB2211045B (en) 1987-10-10 1991-08-21 Marconi Co Ltd Linearity adjusting circuit
US5023937A (en) 1989-05-09 1991-06-11 Motorola, Inc. Transmitter with improved linear amplifier control
JPH03198512A (ja) 1989-12-27 1991-08-29 Mitsubishi Electric Corp 高周波増幅器
US5049832A (en) * 1990-04-20 1991-09-17 Simon Fraser University Amplifier linearization by adaptive predistortion
GB2265270B (en) 1992-03-02 1996-06-12 Motorola Ltd Rf power amplifier with linearization
DE4302456A1 (de) 1993-01-29 1994-08-04 Telefunken Sendertechnik Modulationsverfahren und -schaltung für HF-Signale
IT1265271B1 (it) 1993-12-14 1996-10-31 Alcatel Italia Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza
DE19631388C2 (de) 1996-06-19 1998-07-02 Fraunhofer Ges Forschung Verfahren zum Vorverzerren eines über eine nichtlineare Übertragungsstrecke zu übertragenden Signals und Schaltungsanordnung zum Durchführung des Verfahrens
DE19927952A1 (de) * 1999-06-18 2001-01-04 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Vorverzerren eines über eine nicht-lineare Übertragungsstrecke zu übertragenden Übertragungssignals

Also Published As

Publication number Publication date
EP1258080A1 (de) 2002-11-20
EP1258080B1 (de) 2003-07-16
DE60003954T2 (de) 2004-05-27
DE60003954D1 (de) 2003-08-21
WO2001063750A1 (en) 2001-08-30
US6621340B1 (en) 2003-09-16

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