JP2003124752A5 - - Google Patents

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Publication number
JP2003124752A5
JP2003124752A5 JP2002222279A JP2002222279A JP2003124752A5 JP 2003124752 A5 JP2003124752 A5 JP 2003124752A5 JP 2002222279 A JP2002222279 A JP 2002222279A JP 2002222279 A JP2002222279 A JP 2002222279A JP 2003124752 A5 JP2003124752 A5 JP 2003124752A5
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JP
Japan
Prior art keywords
predistortion
function
output
distortion
predistortion function
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.)
Granted
Application number
JP2002222279A
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English (en)
Japanese (ja)
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JP2003124752A (ja
JP4087180B2 (ja
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Publication date
Priority claimed from US09/928,628 external-priority patent/US6931080B2/en
Application filed filed Critical
Publication of JP2003124752A publication Critical patent/JP2003124752A/ja
Publication of JP2003124752A5 publication Critical patent/JP2003124752A5/ja
Application granted granted Critical
Publication of JP4087180B2 publication Critical patent/JP4087180B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2002222279A 2001-08-13 2002-07-31 入力信号に予め歪みを加える方法および予歪みシステム Expired - Fee Related JP4087180B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/928628 2001-08-13
US09/928,628 US6931080B2 (en) 2001-08-13 2001-08-13 Multiple stage and/or nested predistortion system and method

Publications (3)

Publication Number Publication Date
JP2003124752A JP2003124752A (ja) 2003-04-25
JP2003124752A5 true JP2003124752A5 (enExample) 2005-07-28
JP4087180B2 JP4087180B2 (ja) 2008-05-21

Family

ID=25456549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002222279A Expired - Fee Related JP4087180B2 (ja) 2001-08-13 2002-07-31 入力信号に予め歪みを加える方法および予歪みシステム

Country Status (4)

Country Link
US (1) US6931080B2 (enExample)
EP (1) EP1292019B1 (enExample)
JP (1) JP4087180B2 (enExample)
DE (1) DE60203672T2 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1328083B1 (en) * 2002-01-11 2006-10-25 Mitsubishi Electric Information Technology Centre Europe B.V. Pre-distortion method for an MC-CDMA uplink
DE60213193T2 (de) * 2002-01-11 2007-06-21 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren für eine Aufwärtsstrecken-Vorverzerrung für ein MC-CDMA-Telekommunnikationssystem
GB2388983B (en) * 2002-05-24 2006-06-28 Wireless Systems Int Ltd Predistortion Control
FR2846812B1 (fr) * 2002-11-05 2005-01-28 Eads Defence & Security Ntwk Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf
FR2846813B1 (fr) * 2002-11-05 2005-01-28 Eads Defence & Security Ntwk Procede et dispositif d'apprentissage d'un dispositif de linearisation d'un amplificateur rf, et terminal mobile incorporant un tel dispositif
US20050242876A1 (en) * 2004-04-28 2005-11-03 Obernosterer Frank G E Parameter estimation method and apparatus
US7113037B2 (en) * 2004-07-14 2006-09-26 Raytheon Company Performing remote power amplifier linearization
US20060039498A1 (en) * 2004-08-19 2006-02-23 De Figueiredo Rui J P Pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same
US7308234B2 (en) * 2005-01-19 2007-12-11 Northrop Grumman Corporation Feedforward spur cancellation approach using low IP amplifier
US7889810B2 (en) * 2006-12-15 2011-02-15 Pine Valley Investments, Inc. Method and apparatus for a nonlinear feedback control system
US7809080B2 (en) * 2006-12-28 2010-10-05 Alcatel-Lucent Usa Inc. Strategically selecting data captures for signal predistortion
US7801245B2 (en) * 2006-12-28 2010-09-21 Alcatel-Lucent Usa Inc. Increased reliability of data captures for signal predistortion
US8384476B2 (en) * 2008-08-11 2013-02-26 Qualcomm, Incorporated Adaptive digital predistortion of complex modulated waveform using peak and RMS voltage feedback from the output of a power amplifier
JP5226468B2 (ja) * 2008-11-06 2013-07-03 日本無線株式会社 プリディストータ
JP5071370B2 (ja) * 2008-12-26 2012-11-14 富士通株式会社 歪補償装置及び方法
JP5316325B2 (ja) * 2009-09-04 2013-10-16 住友電気工業株式会社 歪補償回路、及びこれを用いた無線送信装置、歪補償方法
CN102769589B (zh) * 2011-05-05 2016-01-13 中兴通讯股份有限公司 一种提高数字预失真性能的方法和系统
US8553610B2 (en) 2011-05-12 2013-10-08 Qualcomm Incorporated Interference cancellation repeater incorporating a non-linear element
JP5834804B2 (ja) 2011-11-16 2015-12-24 富士通株式会社 狭帯域のフィードバック経路を有する適応的リニアライザ
JP5958324B2 (ja) * 2012-12-19 2016-07-27 富士通株式会社 歪補償装置および電力増幅装置の歪補償方法
JP6089706B2 (ja) * 2013-01-07 2017-03-08 富士通株式会社 送信信号電力制御装置、通信装置及びプリディストーション係数更新方法
JP6098178B2 (ja) * 2013-01-17 2017-03-22 富士通株式会社 増幅装置、歪補償装置および歪補償方法
JP6221518B2 (ja) * 2013-05-24 2017-11-01 富士通株式会社 電力増幅装置、送信機および電力増幅装置制御方法
JP6123497B2 (ja) * 2013-06-03 2017-05-10 住友電気工業株式会社 歪補償装置および無線通信装置
JP6565288B2 (ja) * 2015-04-10 2019-08-28 富士通株式会社 無線装置

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US5193224A (en) * 1991-04-24 1993-03-09 Northern Telecom Limited Adaptive phase control for a power amplifier predistorter
SE470455B (sv) * 1992-08-24 1994-04-11 Ericsson Telefon Ab L M Anordning för kompensering av fasvridningen i återkopplingsslingan vid en kartesiskt återkopplad effektförstärkare
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control
US5789976A (en) * 1996-06-17 1998-08-04 Corporation De L'ecole Polytechnique Digital adaptive control of feedforward amplifier using frequency domain cancellation
DE19813703A1 (de) * 1997-07-28 1999-02-04 Rohde & Schwarz Meßverfahren und Meßeinrichtung zum Messen der Verzerrung eines Hochfrequenz-Leistungsverstärkers und Entzerrungsverfahren und Entzerrungseinrichtung zum automatischen Entzerren eines Hochfrequenz-Leistungsverstärkers
US5831478A (en) * 1997-09-30 1998-11-03 Motorola, Inc. Feedforward amplifier
US6600792B2 (en) * 1998-06-26 2003-07-29 Qualcomm Incorporated Predistortion technique for high power amplifiers
GB2340420A (en) 1998-08-07 2000-02-23 British Steel Plc Aerosol container
US6169450B1 (en) * 1998-11-13 2001-01-02 Powerwave Technologies, Inc. Feed forward compensation using phase and time modulation
US6501805B1 (en) * 1999-05-14 2002-12-31 Harris Corporation Broadcast transmission system with single correction filter for correcting linear and non-linear distortion
US6211733B1 (en) * 1999-10-22 2001-04-03 Powerwave Technologies, Inc. Predistortion compensation for a power amplifier
US6275105B1 (en) * 2000-02-07 2001-08-14 Amplix Adaptive linearization of a feedforward amplifier by complex gain stabilization of the error amplifier
FR2807252B1 (fr) * 2000-03-31 2003-01-10 Matra Nortel Communications Dispositif de production d'un signal radiofrequence module en phase et en amplitude
US7035345B2 (en) * 2001-06-08 2006-04-25 Polyvalor S.E.C. Adaptive predistortion device and method using digital receiver

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