ATE548858T1 - Vorrichtung und verfahren zur linearisierung eines leistungsverstärkers in einem mobilen funkkommunikationssystem - Google Patents

Vorrichtung und verfahren zur linearisierung eines leistungsverstärkers in einem mobilen funkkommunikationssystem

Info

Publication number
ATE548858T1
ATE548858T1 AT99935163T AT99935163T ATE548858T1 AT E548858 T1 ATE548858 T1 AT E548858T1 AT 99935163 T AT99935163 T AT 99935163T AT 99935163 T AT99935163 T AT 99935163T AT E548858 T1 ATE548858 T1 AT E548858T1
Authority
AT
Austria
Prior art keywords
lookup table
predistortion
power amplifier
data
feedforward
Prior art date
Application number
AT99935163T
Other languages
English (en)
Inventor
Ji-Won Ha
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of ATE548858T1 publication Critical patent/ATE548858T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H03D7/168—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages using a feedback loop containing mixers or demodulators
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT99935163T 1998-08-06 1999-08-05 Vorrichtung und verfahren zur linearisierung eines leistungsverstärkers in einem mobilen funkkommunikationssystem ATE548858T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019980032029A KR100326176B1 (ko) 1998-08-06 1998-08-06 이동통신시스템의전력증폭장치및방법
PCT/KR1999/000435 WO2000008870A2 (en) 1998-08-06 1999-08-05 Apparatus and method of linearizing a power amplifier in a mobile radio communication system

Publications (1)

Publication Number Publication Date
ATE548858T1 true ATE548858T1 (de) 2012-03-15

Family

ID=19546597

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99935163T ATE548858T1 (de) 1998-08-06 1999-08-05 Vorrichtung und verfahren zur linearisierung eines leistungsverstärkers in einem mobilen funkkommunikationssystem

Country Status (8)

Country Link
US (1) US6240144B1 (de)
EP (1) EP1048176B1 (de)
JP (1) JP3447266B2 (de)
KR (1) KR100326176B1 (de)
CN (1) CN1130819C (de)
AT (1) ATE548858T1 (de)
BR (1) BR9906677A (de)
WO (1) WO2000008870A2 (de)

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Also Published As

Publication number Publication date
JP3447266B2 (ja) 2003-09-16
BR9906677A (pt) 2001-01-16
CN1302476A (zh) 2001-07-04
US6240144B1 (en) 2001-05-29
KR100326176B1 (ko) 2002-04-17
WO2000008870A2 (en) 2000-02-17
JP2002522989A (ja) 2002-07-23
KR20000013266A (ko) 2000-03-06
EP1048176B1 (de) 2012-03-07
EP1048176A2 (de) 2000-11-02
CN1130819C (zh) 2003-12-10
WO2000008870A3 (en) 2000-05-18

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