FR3036901B1 - PREDISTORSION DEVICE AND ASSOCIATED PREDISTORSION CALCULATION PROCESS - Google Patents

PREDISTORSION DEVICE AND ASSOCIATED PREDISTORSION CALCULATION PROCESS Download PDF

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Publication number
FR3036901B1
FR3036901B1 FR1401752A FR1401752A FR3036901B1 FR 3036901 B1 FR3036901 B1 FR 3036901B1 FR 1401752 A FR1401752 A FR 1401752A FR 1401752 A FR1401752 A FR 1401752A FR 3036901 B1 FR3036901 B1 FR 3036901B1
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France
Prior art keywords
predistorsion
vectp
components
vector
calculation process
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.)
Active
Application number
FR1401752A
Other languages
French (fr)
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FR3036901A1 (en
Inventor
Francois Jolec
Loic Fuche
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.)
Thales SA
Original Assignee
Thales SA
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Filing date
Publication date
Application filed by Thales SA filed Critical Thales SA
Priority to FR1401752A priority Critical patent/FR3036901B1/en
Publication of FR3036901A1 publication Critical patent/FR3036901A1/en
Application granted granted Critical
Publication of FR3036901B1 publication Critical patent/FR3036901B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • 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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3209—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means for compensating memory effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3224—Predistortion being done for compensating memory effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Amplifiers (AREA)

Abstract

Dispositif de prédistorsion (2) pour calculer un signal complexe traité z_pred(n) = adapté pour, dans un cycle temporel de calcul du vecteur de puissance VectP(n), déterminer et stocker la valeur des composantes dudit vecteur de puissance VectP(n) et pour fournir, à l'issue dudit cycle temporel, ledit vecteur de puissance VectP(n) déterminé, des composantes du vecteur VectP(n-1) précédemment déterminées et stockées étant réutilisées comme composantes du vecteur VectP(n) ; et pour calculer z_pred(n) en multipliant les composantes du vecteur de puissance et des coefficientsPredistortion device (2) for calculating a complex processed signal z_pred (n) = suitable for, in a time cycle of calculating the power vector VectP (n), determining and storing the value of the components of said power vector VectP (n) and to provide, at the end of said time cycle, said determined power vector VectP (n), components of the vector VectP (n-1) previously determined and stored being reused as components of the vector VectP (n); and to calculate z_pred (n) by multiplying the components of the power vector and the coefficients

FR1401752A 2014-07-29 2014-07-29 PREDISTORSION DEVICE AND ASSOCIATED PREDISTORSION CALCULATION PROCESS Active FR3036901B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1401752A FR3036901B1 (en) 2014-07-29 2014-07-29 PREDISTORSION DEVICE AND ASSOCIATED PREDISTORSION CALCULATION PROCESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1401752A FR3036901B1 (en) 2014-07-29 2014-07-29 PREDISTORSION DEVICE AND ASSOCIATED PREDISTORSION CALCULATION PROCESS

Publications (2)

Publication Number Publication Date
FR3036901A1 FR3036901A1 (en) 2016-12-02
FR3036901B1 true FR3036901B1 (en) 2020-10-30

Family

ID=57136917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1401752A Active FR3036901B1 (en) 2014-07-29 2014-07-29 PREDISTORSION DEVICE AND ASSOCIATED PREDISTORSION CALCULATION PROCESS

Country Status (1)

Country Link
FR (1) FR3036901B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4394409B2 (en) * 2003-09-25 2010-01-06 株式会社日立国際電気 Predistortion type amplifier with distortion compensation function
US7336725B2 (en) * 2004-03-03 2008-02-26 Powerwave Technologies, Inc. Digital predistortion system and method for high efficiency transmitters
US9257943B2 (en) * 2010-12-22 2016-02-09 Sumitomo Electric Industries, Ltd. Amplifier circuit and wireless communication equipment

Also Published As

Publication number Publication date
FR3036901A1 (en) 2016-12-02

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