ATE395744T1 - Tabellenerstellung für willkürliche wellenformvorverzerrung - Google Patents

Tabellenerstellung für willkürliche wellenformvorverzerrung

Info

Publication number
ATE395744T1
ATE395744T1 AT05794746T AT05794746T ATE395744T1 AT E395744 T1 ATE395744 T1 AT E395744T1 AT 05794746 T AT05794746 T AT 05794746T AT 05794746 T AT05794746 T AT 05794746T AT E395744 T1 ATE395744 T1 AT E395744T1
Authority
AT
Austria
Prior art keywords
phase
predistortion
amplitude
measured
determined
Prior art date
Application number
AT05794746T
Other languages
English (en)
Inventor
Per-Olof Brandt
Jonas Persson
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
Application granted granted Critical
Publication of ATE395744T1 publication Critical patent/ATE395744T1/de

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
    • 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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H03F1/3288—Acting on the phase and the amplitude of the input signal to compensate phase shift as a function of the amplitude
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • 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
    • H03F2201/3233—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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
AT05794746T 2004-10-06 2005-09-26 Tabellenerstellung für willkürliche wellenformvorverzerrung ATE395744T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61649304P 2004-10-06 2004-10-06
US11/168,404 US7330073B2 (en) 2004-10-06 2005-06-29 Arbitrary waveform predistortion table generation

Publications (1)

Publication Number Publication Date
ATE395744T1 true ATE395744T1 (de) 2008-05-15

Family

ID=35355411

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05794746T ATE395744T1 (de) 2004-10-06 2005-09-26 Tabellenerstellung für willkürliche wellenformvorverzerrung

Country Status (11)

Country Link
US (1) US7330073B2 (de)
EP (1) EP1797639B1 (de)
JP (1) JP4801079B2 (de)
KR (1) KR101120072B1 (de)
CN (1) CN101133550B (de)
AT (1) ATE395744T1 (de)
DE (1) DE602005006825D1 (de)
ES (1) ES2306221T3 (de)
HK (1) HK1117951A1 (de)
PL (1) PL1797639T3 (de)
WO (1) WO2006037502A1 (de)

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US7991071B2 (en) 2002-05-16 2011-08-02 Rf Micro Devices, Inc. AM to PM correction system for polar modulator
US7551686B1 (en) 2004-06-23 2009-06-23 Rf Micro Devices, Inc. Multiple polynomial digital predistortion
US7529523B1 (en) 2004-08-23 2009-05-05 Rf Micro Devices, Inc. N-th order curve fit for power calibration in a mobile terminal
US8224265B1 (en) * 2005-06-13 2012-07-17 Rf Micro Devices, Inc. Method for optimizing AM/AM and AM/PM predistortion in a mobile terminal
US7877060B1 (en) * 2006-02-06 2011-01-25 Rf Micro Devices, Inc. Fast calibration of AM/PM pre-distortion
US7962108B1 (en) 2006-03-29 2011-06-14 Rf Micro Devices, Inc. Adaptive AM/PM compensation
US7518445B2 (en) * 2006-06-04 2009-04-14 Samsung Electro-Mechanics Company, Ltd. Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters
US7873331B2 (en) * 2006-06-04 2011-01-18 Samsung Electro-Mechanics Company, Ltd. Systems, methods, and apparatuses for multi-path orthogonal recursive predistortion
US7860466B2 (en) * 2006-06-04 2010-12-28 Samsung Electro-Mechanics Company, Ltd. Systems, methods, and apparatuses for linear polar transmitters
US7689182B1 (en) 2006-10-12 2010-03-30 Rf Micro Devices, Inc. Temperature compensated bias for AM/PM improvement
US8009762B1 (en) * 2007-04-17 2011-08-30 Rf Micro Devices, Inc. Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter
US8170819B2 (en) * 2007-04-26 2012-05-01 Qualcomm, Incorporated Systems and methods for measuring non-linear characteristics of a power amplifier
US7983359B2 (en) * 2008-02-07 2011-07-19 Pine Valley Investments, Inc. Synchronization techniques for polar transmitters
US8233852B2 (en) * 2008-04-04 2012-07-31 Pine Valley Investments, Inc. Calibration techniques for non-linear devices
US7772936B2 (en) * 2008-04-04 2010-08-10 Broadcom Corporation Polar feedback architecture
US8131233B2 (en) * 2008-09-30 2012-03-06 Panasonic Corporation Time alignment methods and apparatus for polar modulation transmitters
WO2010056736A2 (en) 2008-11-11 2010-05-20 Axis Network Technology Ltd. Resource efficient adaptive digital pre-distortion system
US8489042B1 (en) 2009-10-08 2013-07-16 Rf Micro Devices, Inc. Polar feedback linearization
US8705654B1 (en) * 2009-10-08 2014-04-22 Rf Micro Devices, Inc. Measuring phase shift in a radio frequency power amplifier
JP2011188093A (ja) * 2010-03-05 2011-09-22 Nec Corp Ｏｆｄｍ変調器
US8610499B2 (en) 2011-04-11 2013-12-17 Auriga Measurement Systems, LLC Radio frequency (RF) amplifier utilizing a predistortion circuit and related techniques
JP2013021617A (ja) * 2011-07-13 2013-01-31 Toshiba Corp 送信装置とその励振器および歪み補償方法
CN102710323B (zh) 2012-05-11 2015-06-03 中兴通讯股份有限公司 一种波长标签冲突检测方法及装置及波长标签接收设备
US20140250309A1 (en) * 2013-03-01 2014-09-04 Qualcomm Incorporated Predictive self calibrated power control
JP6081265B2 (ja) * 2013-03-28 2017-02-15 日本無線株式会社 受信装置、ノイズ補正方法
CN103823120A (zh) * 2014-03-10 2014-05-28 北京航空航天大学 一种任意波形失真度的确定方法
US9300333B2 (en) * 2014-08-01 2016-03-29 Apple Inc. Methods for computing predistortion values for wireless systems
KR102426706B1 (ko) * 2020-11-04 2022-07-27 국방과학연구소 영상 레이더 및 영상 레이더의 첩 신호 보상 방법

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JP3268135B2 (ja) * 1994-09-06 2002-03-25 株式会社日立国際電気 無線機
FR2746564B1 (fr) * 1996-03-22 1998-06-05 Matra Communication Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede
FR2752313B1 (fr) * 1996-08-07 1998-11-13 Alcatel Telspace Procede et dispositif de modelisation des caracteristiques am/am et am/pm d'un amplificateur, et procede de predistorsion correspondant
US6072364A (en) * 1997-06-17 2000-06-06 Amplix Adaptive digital predistortion for power amplifiers with real time modeling of memoryless complex gains
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CN1285169C (zh) * 2000-08-04 2006-11-15 Lg电子株式会社 预失真数字线性化电路及其增益控制方法
US7068984B2 (en) * 2001-06-15 2006-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for amplification of a communication signal
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SE520466C2 (sv) 2001-11-12 2003-07-15 Ericsson Telefon Ab L M Metod och anordning vid en digital linjäriseringskoppling
JP3949449B2 (ja) * 2001-12-26 2007-07-25 三菱電機株式会社 プレディストータ、低歪増幅器および歪補償方法
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DE60333421D1 (de) * 2002-03-26 2010-09-02 Ca Minister Industry Adaptiver vorverzerrer basierend auf der wahrscheie
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US7801244B2 (en) * 2002-05-16 2010-09-21 Rf Micro Devices, Inc. Am to AM correction system for polar modulator
GB2388983B (en) 2002-05-24 2006-06-28 Wireless Systems Int Ltd Predistortion Control
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US6642786B1 (en) * 2002-08-15 2003-11-04 Electronics And Telecommunications Research Institute Piecewise polynomial predistortion method and apparatus for compensating nonlinear distortion of high power amplifier
JP2004104401A (ja) * 2002-09-09 2004-04-02 Hitachi Kokusai Electric Inc 歪補償増幅装置
EP1455444B1 (de) 2003-01-13 2013-10-16 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Senderschaltung
US7555057B2 (en) * 2003-01-17 2009-06-30 Texas Instruments Incorporated Predistortion calibration in a transceiver assembly
US20040142667A1 (en) * 2003-01-21 2004-07-22 Lochhead Donald Laird Method of correcting distortion in a power amplifier
US7129778B2 (en) * 2003-07-23 2006-10-31 Northrop Grumman Corporation Digital cross cancellation system

Also Published As

Publication number Publication date
HK1117951A1 (en) 2009-01-23
KR101120072B1 (ko) 2012-02-22
EP1797639A1 (de) 2007-06-20
US20060071711A1 (en) 2006-04-06
CN101133550A (zh) 2008-02-27
JP2008516489A (ja) 2008-05-15
WO2006037502A1 (en) 2006-04-13
PL1797639T3 (pl) 2008-11-28
ES2306221T3 (es) 2008-11-01
EP1797639B1 (de) 2008-05-14
DE602005006825D1 (de) 2008-06-26
JP4801079B2 (ja) 2011-10-26
KR20070060071A (ko) 2007-06-12
US7330073B2 (en) 2008-02-12
CN101133550B (zh) 2010-09-29

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