NO20042886L - Ikke-lineaer kompensasjonskrets, overforingsanordning og fremgangsmate for ikke-lineaer kompensasjon - Google Patents

Ikke-lineaer kompensasjonskrets, overforingsanordning og fremgangsmate for ikke-lineaer kompensasjon

Info

Publication number
NO20042886L
NO20042886L NO20042886A NO20042886A NO20042886L NO 20042886 L NO20042886 L NO 20042886L NO 20042886 A NO20042886 A NO 20042886A NO 20042886 A NO20042886 A NO 20042886A NO 20042886 L NO20042886 L NO 20042886L
Authority
NO
Norway
Prior art keywords
nonlinear compensation
transfer device
compensation circuit
compensation method
circuit
Prior art date
Application number
NO20042886A
Other languages
English (en)
Norwegian (no)
Inventor
Motoya Iwasaki
Yoshiaki Doi
Original Assignee
Nec 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 Nec Corp filed Critical Nec Corp
Publication of NO20042886L publication Critical patent/NO20042886L/no

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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
NO20042886A 2003-07-09 2004-07-07 Ikke-lineaer kompensasjonskrets, overforingsanordning og fremgangsmate for ikke-lineaer kompensasjon NO20042886L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003272181A JP4356384B2 (ja) 2003-07-09 2003-07-09 非線形補償回路と送信装置並びに非線形補償方法

Publications (1)

Publication Number Publication Date
NO20042886L true NO20042886L (no) 2005-01-10

Family

ID=33448048

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20042886A NO20042886L (no) 2003-07-09 2004-07-07 Ikke-lineaer kompensasjonskrets, overforingsanordning og fremgangsmate for ikke-lineaer kompensasjon

Country Status (5)

Country Link
US (1) US20050008096A1 (fr)
EP (1) EP1496612A3 (fr)
JP (1) JP4356384B2 (fr)
CN (1) CN1578119B (fr)
NO (1) NO20042886L (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
GB2421373B (en) * 2004-12-17 2009-01-28 Motorola Inc A transmitter a transceiver and method of controlling a transmit power therefor
WO2008078195A2 (fr) 2006-12-26 2008-07-03 Dali Systems Co., Ltd. Procédé et système permettant une linéarisation de prédistorsion en bande de base dans des systèmes de communication large bande à multiples canaux
EP2248255A4 (fr) 2007-12-07 2014-05-28 Dali Systems Co Ltd Prédistorsion numérique rf dérivée de bande de base
CN101527544B (zh) * 2008-03-05 2012-09-12 富士通株式会社 非线性系统逆特性辨识装置及方法、功率放大器及其预失真器
US9176735B2 (en) * 2008-11-28 2015-11-03 Intel Corporation Digital signal processor having instruction set with one or more non-linear complex functions
US9069685B2 (en) 2008-11-28 2015-06-30 Intel Corporation Digital signal processor having instruction set with one or more non-linear functions using reduced look-up table
US9069686B2 (en) 2008-11-28 2015-06-30 Intel Corporation Digital signal processor having instruction set with one or more non-linear functions using reduced look-up table with exponentially varying step-size
JP5339083B2 (ja) * 2009-10-06 2013-11-13 日本電気株式会社 ディジタル歪補償方法及び回路
JP5402817B2 (ja) 2010-04-30 2014-01-29 富士通株式会社 電力増幅器のメモリ効果キャンセラ、無線送信機
CN103597807B (zh) 2010-09-14 2015-09-30 大理系统有限公司 远程可重新配置的分布式天线系统和方法
US9184710B2 (en) * 2011-02-09 2015-11-10 Intel Corporation Digital predistortion of a power amplifier for signals comprising widely spaced carriers
EP2758867A4 (fr) 2011-10-27 2015-07-08 Lsi Corp Processeur numérique à ensemble d'instructions comprenant fonction non linéaire exponentielle complexe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US6973138B1 (en) * 2000-01-26 2005-12-06 Pmc-Sierra, Inc. Advanced adaptive pre-distortion in a radio frequency transmitter
US6377116B1 (en) * 2000-05-08 2002-04-23 Iowa State University Research Foundation, Inc. Pre-distorter and corresponding method for deriving same
US7015751B2 (en) * 2001-06-28 2006-03-21 Simon Fraser University Decorrelated power amplifier linearizers
US20030058959A1 (en) * 2001-09-25 2003-03-27 Caly Networks. Combined digital adaptive pre-distorter and pre-equalizer system for modems in link hopping radio networks
SE520728C2 (sv) * 2001-11-12 2003-08-19 Ericsson Telefon Ab L M Förfarande för icke-linjär modellering
JP4091047B2 (ja) * 2002-10-31 2008-05-28 深▲川▼市中▲興▼通▲訊▼股▲分▼有限公司 広帯域プリディストーション線形化の方法およびシステム
US6937669B2 (en) * 2002-12-03 2005-08-30 Motorola, Inc. Digital predistortion system for linearizing a power amplifier
US6985033B1 (en) * 2003-05-15 2006-01-10 Marvell International Ltd. Circuits and methods for adjusting power amplifier predistortion, and power amplifiers and other devices including the same

Also Published As

Publication number Publication date
JP2005033632A (ja) 2005-02-03
US20050008096A1 (en) 2005-01-13
CN1578119B (zh) 2010-05-26
CN1578119A (zh) 2005-02-09
EP1496612A3 (fr) 2006-05-24
EP1496612A2 (fr) 2005-01-12
JP4356384B2 (ja) 2009-11-04

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application