SE0103745L - Metod och anordning vid en digital linjäriseringskoppling - Google Patents

Metod och anordning vid en digital linjäriseringskoppling

Info

Publication number
SE0103745L
SE0103745L SE0103745A SE0103745A SE0103745L SE 0103745 L SE0103745 L SE 0103745L SE 0103745 A SE0103745 A SE 0103745A SE 0103745 A SE0103745 A SE 0103745A SE 0103745 L SE0103745 L SE 0103745L
Authority
SE
Sweden
Prior art keywords
distortion
digital
evaluated
model
designed
Prior art date
Application number
SE0103745A
Other languages
English (en)
Other versions
SE0103745D0 (sv
SE520466C2 (sv
Inventor
Karl-Goesta Sahlman
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0103745A priority Critical patent/SE520466C2/sv
Publication of SE0103745D0 publication Critical patent/SE0103745D0/sv
Priority to SE0202335A priority patent/SE520728C2/sv
Priority to PCT/SE2002/001955 priority patent/WO2003043182A1/en
Priority to CN02822374.8A priority patent/CN1593005A/zh
Priority to AT02803140T priority patent/ATE331337T1/de
Priority to US10/492,981 priority patent/US7460613B2/en
Priority to US10/494,662 priority patent/US7091779B2/en
Priority to PCT/SE2002/001958 priority patent/WO2003043183A1/en
Priority to AT02780232T priority patent/ATE408267T1/de
Priority to DE60228873T priority patent/DE60228873D1/de
Priority to DE60212687T priority patent/DE60212687T2/de
Priority to ES02803140T priority patent/ES2261785T3/es
Priority to EP02780232A priority patent/EP1446871B1/en
Priority to EP02803140A priority patent/EP1446872B1/en
Publication of SE0103745L publication Critical patent/SE0103745L/sv
Publication of SE520466C2 publication Critical patent/SE520466C2/sv

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
SE0103745A 2001-11-12 2001-11-12 Metod och anordning vid en digital linjäriseringskoppling SE520466C2 (sv)

Priority Applications (14)

Application Number Priority Date Filing Date Title
SE0103745A SE520466C2 (sv) 2001-11-12 2001-11-12 Metod och anordning vid en digital linjäriseringskoppling
SE0202335A SE520728C2 (sv) 2001-11-12 2002-07-29 Förfarande för icke-linjär modellering
EP02803140A EP1446872B1 (en) 2001-11-12 2002-10-29 Non-linear modeling method
US10/494,662 US7091779B2 (en) 2001-11-12 2002-10-29 Non-linear modeling method
DE60228873T DE60228873D1 (de) 2001-11-12 2002-10-29 Digitale linearisierungs schaltung
AT02803140T ATE331337T1 (de) 2001-11-12 2002-10-29 Verfahren zur nichtlinearen modellierung
US10/492,981 US7460613B2 (en) 2001-11-12 2002-10-29 Digital linearization circuit
PCT/SE2002/001955 WO2003043182A1 (en) 2001-11-12 2002-10-29 Non-linear modeling method
PCT/SE2002/001958 WO2003043183A1 (en) 2001-11-12 2002-10-29 Digital linearization circuit
AT02780232T ATE408267T1 (de) 2001-11-12 2002-10-29 Digitale linearisierungs schaltung
CN02822374.8A CN1593005A (zh) 2001-11-12 2002-10-29 非线性建模方法
DE60212687T DE60212687T2 (de) 2001-11-12 2002-10-29 Verfahren zur nichtlinearen modellierung
ES02803140T ES2261785T3 (es) 2001-11-12 2002-10-29 Metodo de modelizacion no lineal.
EP02780232A EP1446871B1 (en) 2001-11-12 2002-10-29 Digital linearization circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0103745A SE520466C2 (sv) 2001-11-12 2001-11-12 Metod och anordning vid en digital linjäriseringskoppling

Publications (3)

Publication Number Publication Date
SE0103745D0 SE0103745D0 (sv) 2001-11-12
SE0103745L true SE0103745L (sv) 2003-05-13
SE520466C2 SE520466C2 (sv) 2003-07-15

Family

ID=20285937

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0103745A SE520466C2 (sv) 2001-11-12 2001-11-12 Metod och anordning vid en digital linjäriseringskoppling

Country Status (6)

Country Link
US (1) US7460613B2 (sv)
EP (1) EP1446871B1 (sv)
AT (1) ATE408267T1 (sv)
DE (1) DE60228873D1 (sv)
SE (1) SE520466C2 (sv)
WO (1) WO2003043183A1 (sv)

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US7729420B1 (en) * 2006-11-24 2010-06-01 Kiomars Anvari Reconditioning equalizer filter for OFDM and non-OFDM signals
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US8644437B2 (en) * 2011-01-07 2014-02-04 Massachusetts Institute Of Technology Digital compensation of a nonlinear system
US8964901B2 (en) 2011-01-07 2015-02-24 Massachusetts Institute Of Technology Analog/digital co-design methodology to achieve high linearity and low power dissipation in a radio frequency (RF) receiver
US8792583B2 (en) * 2011-05-12 2014-07-29 Andrew Llc Linearization in the presence of phase variations
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US9262566B2 (en) * 2012-03-09 2016-02-16 The Mathworks, Inc. Fast simulation of a radio frequency circuit
US8633769B2 (en) * 2012-03-15 2014-01-21 Telefonaktiebolaget L M Ericsson (Publ) Dual loop adaptation digital predistortion architecture for power amplifiers
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
US8958470B2 (en) 2012-07-26 2015-02-17 Massachusetts Institute Of Technology Method and apparatus for sparse polynomial equalization of RF receiver chains
CN102984099B (zh) * 2012-11-23 2015-09-02 陕西理工学院 数字预失真分数时延估计与信号对齐方法和***
CN105099972B (zh) * 2012-12-11 2018-05-04 华为技术有限公司 发射机的发射通道间干扰消除方法及装置
US9065425B2 (en) 2013-03-14 2015-06-23 Telefonaktiebolaget L M Ericsson (Publ) Feed-forward linearization without phase shifters
US9172334B2 (en) * 2013-05-09 2015-10-27 King Fahd University Of Petroleum And Minerals Digital predistortion system and method with extended correction bandwidth
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US9374112B2 (en) * 2014-09-02 2016-06-21 Texas Instruments Incorporated Capture selection for digital pre-distortion adaptation and capture concatenation for frequency hopping pre-distortion adaptation
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Also Published As

Publication number Publication date
WO2003043183A1 (en) 2003-05-22
US20040247042A1 (en) 2004-12-09
EP1446871A1 (en) 2004-08-18
US7460613B2 (en) 2008-12-02
DE60228873D1 (de) 2008-10-23
EP1446871B1 (en) 2008-09-10
SE0103745D0 (sv) 2001-11-12
ATE408267T1 (de) 2008-09-15
SE520466C2 (sv) 2003-07-15

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