AU2002216070A1 - Method of linearising a signal - Google Patents

Method of linearising a signal

Info

Publication number
AU2002216070A1
AU2002216070A1 AU2002216070A AU1607002A AU2002216070A1 AU 2002216070 A1 AU2002216070 A1 AU 2002216070A1 AU 2002216070 A AU2002216070 A AU 2002216070A AU 1607002 A AU1607002 A AU 1607002A AU 2002216070 A1 AU2002216070 A1 AU 2002216070A1
Authority
AU
Australia
Prior art keywords
linearising
signal
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
AU2002216070A
Other languages
English (en)
Inventor
P. Demain
J. Domokos
B. Toner
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of AU2002216070A1 publication Critical patent/AU2002216070A1/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
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU2002216070A 2000-12-02 2001-11-30 Method of linearising a signal Abandoned AU2002216070A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0029420A GB2369735B (en) 2000-12-02 2000-12-02 Method of linearising a signal
GB0029420.7 2000-12-02
PCT/EP2001/014221 WO2002045258A2 (en) 2000-12-02 2001-11-30 Method of linearising a signal

Publications (1)

Publication Number Publication Date
AU2002216070A1 true AU2002216070A1 (en) 2002-06-11

Family

ID=9904320

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002216070A Abandoned AU2002216070A1 (en) 2000-12-02 2001-11-30 Method of linearising a signal

Country Status (5)

Country Link
EP (1) EP1356586B1 (de)
AU (1) AU2002216070A1 (de)
DE (1) DE60135153D1 (de)
GB (1) GB2369735B (de)
WO (1) WO2002045258A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7403573B2 (en) * 2003-01-15 2008-07-22 Andrew Corporation Uncorrelated adaptive predistorter
US7259630B2 (en) 2003-07-23 2007-08-21 Andrew Corporation Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter
FR2940559A1 (fr) * 2008-12-22 2010-06-25 Commissariat Energie Atomique Dispositif de reduction des distorsions temporelles induites dans des impulsions lumineuses par un systeme convertisseur de frequence optique non lineaire
CN102143106B (zh) * 2010-02-01 2013-08-21 富士通株式会社 自适应数字预失真装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2069476C (en) * 1990-10-24 1996-12-17 Stephen Vincent Cahill An apparatus and method for varying a signal in a transmitter of a transceiver
US5600718A (en) * 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling

Also Published As

Publication number Publication date
DE60135153D1 (de) 2008-09-11
GB2369735B (en) 2004-07-14
EP1356586A2 (de) 2003-10-29
WO2002045258A3 (en) 2003-08-28
EP1356586B1 (de) 2008-07-30
GB0029420D0 (en) 2001-01-17
WO2002045258A2 (en) 2002-06-06
GB2369735A (en) 2002-06-05

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