ATE277456T1 - Verfahren und vorrichtung zum kompensieren von nicht-linearitäten und zeitvarianten änderungen einer übertragungsfunktion wirksam auf ein eingangssignal - Google Patents

Verfahren und vorrichtung zum kompensieren von nicht-linearitäten und zeitvarianten änderungen einer übertragungsfunktion wirksam auf ein eingangssignal

Info

Publication number
ATE277456T1
ATE277456T1 AT00906228T AT00906228T ATE277456T1 AT E277456 T1 ATE277456 T1 AT E277456T1 AT 00906228 T AT00906228 T AT 00906228T AT 00906228 T AT00906228 T AT 00906228T AT E277456 T1 ATE277456 T1 AT E277456T1
Authority
AT
Austria
Prior art keywords
time
linearities
transfer function
input signal
function
Prior art date
Application number
AT00906228T
Other languages
English (en)
Inventor
Ashkan Mashhour
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE277456T1 publication Critical patent/ATE277456T1/de

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
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms

Landscapes

  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Networks Using Active Elements (AREA)
  • Transmitters (AREA)
AT00906228T 2000-01-26 2000-01-26 Verfahren und vorrichtung zum kompensieren von nicht-linearitäten und zeitvarianten änderungen einer übertragungsfunktion wirksam auf ein eingangssignal ATE277456T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2000/000579 WO2001056146A1 (en) 2000-01-26 2000-01-26 Method and system for compensating non-linearities and time-varying changes of a transfer function acting on an input signal

Publications (1)

Publication Number Publication Date
ATE277456T1 true ATE277456T1 (de) 2004-10-15

Family

ID=8163807

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00906228T ATE277456T1 (de) 2000-01-26 2000-01-26 Verfahren und vorrichtung zum kompensieren von nicht-linearitäten und zeitvarianten änderungen einer übertragungsfunktion wirksam auf ein eingangssignal

Country Status (6)

Country Link
US (1) US6756845B1 (de)
EP (1) EP1252709B1 (de)
AT (1) ATE277456T1 (de)
AU (1) AU2000227987A1 (de)
DE (1) DE60014175T2 (de)
WO (1) WO2001056146A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7382833B1 (en) * 2001-08-16 2008-06-03 Rockwell Collins, Inc. System for phase, gain, and DC offset error correction for a quadrature modulator
GB2382480B (en) * 2001-11-22 2005-03-30 Roke Manor Research Power amplifier arrangements
US6801086B1 (en) 2002-04-03 2004-10-05 Andrew Corporation Adaptive digital pre-distortion using amplifier model that incorporates frequency-dependent non-linearities
US7340005B2 (en) * 2003-06-12 2008-03-04 Lg Electronics Inc. Signal transmission apparatus and method
US6975167B2 (en) 2003-07-03 2005-12-13 Icefyre Semiconductor Corporation Adaptive predistortion for a transmit system with gain, phase and delay adjustments
US7453952B2 (en) 2003-07-03 2008-11-18 Saed Aryan Predistortion circuit for a transmit system
US7026871B2 (en) 2003-07-03 2006-04-11 Icefyre Semiconductor, Inc. Adaptive predistortion for a transmit system
US7068101B2 (en) 2003-07-03 2006-06-27 Icefyre Semiconductor Corporation Adaptive predistortion for a transmit system
US7409193B2 (en) 2003-07-03 2008-08-05 Zarbana Digital Fund Llc Predistortion circuit for a transmit system
KR100518456B1 (ko) * 2003-10-10 2005-09-30 학교법인 포항공과대학교 전력 증폭기의 선형화를 위한 디지털 피드백 선형화 장치및 방법
WO2005053153A1 (en) * 2003-11-25 2005-06-09 Telefonaktiebolaget Lm Ericsson (Publ) Power amplifier pre-distorter training
FI20055012A0 (fi) * 2005-01-07 2005-01-07 Nokia Corp Lähetyssignaalin leikkaaminen
GB0621440D0 (en) 2006-10-27 2006-12-06 Syngenta Crop Protection Ag Herbicidal compositions
CN101895259B (zh) * 2009-05-18 2013-01-02 富士通株式会社 预失真器、预失真方法和预失真系统
EP3306817B8 (de) * 2016-10-07 2021-04-21 Rohde & Schwarz GmbH & Co. KG Vorverzerrungssystem und -verfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049832A (en) 1990-04-20 1991-09-17 Simon Fraser University Amplifier linearization by adaptive predistortion
IT1265271B1 (it) 1993-12-14 1996-10-31 Alcatel Italia Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza
US5862460A (en) * 1996-09-13 1999-01-19 Motorola, Inc. Power control circuit for a radio frequency transmitter
US5900778A (en) * 1997-05-08 1999-05-04 Stonick; John T. Adaptive parametric signal predistorter for compensation of time varying linear and nonlinear amplifier distortion
US6121831A (en) * 1999-05-12 2000-09-19 Level One Communications, Inc. Apparatus and method for removing offset in a gain circuit
US6359511B1 (en) * 2000-05-12 2002-03-19 National Semiconductor Corporation System and method for current splitting for variable gain control

Also Published As

Publication number Publication date
AU2000227987A1 (en) 2001-08-07
US6756845B1 (en) 2004-06-29
DE60014175T2 (de) 2005-10-06
EP1252709A1 (de) 2002-10-30
DE60014175D1 (de) 2004-10-28
EP1252709B1 (de) 2004-09-22
WO2001056146A1 (en) 2001-08-02

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