ATE494659T1 - Leistungsverstärker-vorverzerrer-training - Google Patents

Leistungsverstärker-vorverzerrer-training

Info

Publication number
ATE494659T1
ATE494659T1 AT03781183T AT03781183T ATE494659T1 AT E494659 T1 ATE494659 T1 AT E494659T1 AT 03781183 T AT03781183 T AT 03781183T AT 03781183 T AT03781183 T AT 03781183T AT E494659 T1 ATE494659 T1 AT E494659T1
Authority
AT
Austria
Prior art keywords
sub
tables
look
filter tap
filter
Prior art date
Application number
AT03781183T
Other languages
English (en)
Inventor
Spendim Dalipi
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 ATE494659T1 publication Critical patent/ATE494659T1/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
    • 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
    • H03F2201/3224—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

  • 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
AT03781183T 2003-11-25 2003-11-25 Leistungsverstärker-vorverzerrer-training ATE494659T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2003/001825 WO2005053153A1 (en) 2003-11-25 2003-11-25 Power amplifier pre-distorter training

Publications (1)

Publication Number Publication Date
ATE494659T1 true ATE494659T1 (de) 2011-01-15

Family

ID=34632234

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03781183T ATE494659T1 (de) 2003-11-25 2003-11-25 Leistungsverstärker-vorverzerrer-training

Country Status (7)

Country Link
US (1) US7412469B2 (de)
EP (1) EP1716635B1 (de)
CN (1) CN100492887C (de)
AT (1) ATE494659T1 (de)
AU (1) AU2003287118A1 (de)
DE (1) DE60335670D1 (de)
WO (1) WO2005053153A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100563225C (zh) 2005-05-27 2009-11-25 华为技术有限公司 对基带数字信号进行预失真处理的通用装置
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
US7724840B2 (en) * 2006-12-19 2010-05-25 Crestcom, Inc. RF transmitter with predistortion and method therefor
US7957707B2 (en) * 2007-03-30 2011-06-07 Freescale Semiconductor, Inc. Systems, apparatus and method for performing digital pre-distortion based on lookup table gain values
US7688138B2 (en) * 2008-03-24 2010-03-30 Harris Corporation Electronic device having a predistortion filter and related methods
US8285770B1 (en) * 2008-08-29 2012-10-09 Xilinx, Inc. Method of and circuit for generating parameters for a predistortion circuit in an integrated circuit using a matrix
US8229025B1 (en) 2008-08-29 2012-07-24 Xilinx, Inc. Method of and circuit for accepting a sample of an input signal to be used to calculate parameters for a predistortion circuit in an integrated circut
CN101505139B (zh) * 2008-11-17 2011-08-17 深圳市云海通讯股份有限公司 一种数字线性预畸变方法和系统
EP2406880B1 (de) * 2009-03-09 2015-02-25 Zte Wistron Telecom Ab Verfahren und vorrichtung zum linearisieren eines nichtlinearen leistungsverstärkers
JP5761646B2 (ja) * 2009-12-21 2015-08-12 ダリ システムズ カンパニー リミテッド 変調アグノスティック（ａｇｎｏｓｔｉｃ）デジタルハイブリッドモード電力増幅器のシステム及び方法
US8737490B1 (en) * 2010-08-20 2014-05-27 Cadence Design Systems, Inc. Analog-to-digital converter based decision feedback equalization
US8737491B1 (en) 2010-08-20 2014-05-27 Cadence Design Systems, Inc. Analog-to-digital converter based decision feedback equalization
CN102055696B (zh) * 2010-12-06 2013-04-03 西安电子科技大学 抑制反馈信号噪声的数字预失真系统
US8610499B2 (en) 2011-04-11 2013-12-17 Auriga Measurement Systems, LLC Radio frequency (RF) amplifier utilizing a predistortion circuit and related techniques
CN102354118B (zh) * 2011-08-10 2013-10-16 复旦大学 一种适于硬件实现的数字预失真算法系统
US8837633B2 (en) 2011-10-21 2014-09-16 Xilinx, Inc. Systems and methods for digital processing based on active signal channels of a communication system
US9094067B2 (en) 2012-09-12 2015-07-28 Mediatek Singapore Pte. Ltd. Method and apparatus for calibrating an envelope tracking system
EP3000175B1 (de) 2013-05-20 2019-02-27 Analog Devices, Inc. Relaxierte digitalisierungssystemlinearisierung
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
US11777544B2 (en) 2021-05-28 2023-10-03 Skyworks Solutions, Inc. Power amplifier power detection for initiating retraining of digital pre-distortion
WO2023075325A1 (en) 2021-10-28 2023-05-04 Samsung Electronics Co., Ltd. Apparatus and method for controlling non-linear effect of power amplifier
US20260121594A1 (en) * 2024-10-30 2026-04-30 Avago Technologies International Sales Pte. Limited Pre-distortion systems for a bandlimited loopback

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Publication number Priority date Publication date Assignee Title
US4887306A (en) * 1987-11-04 1989-12-12 Advanced Technology Laboratories, Inc. Adaptive temporal filter for ultrasound imaging system
US5049832A (en) * 1990-04-20 1991-09-17 Simon Fraser University Amplifier linearization by adaptive predistortion
US5586068A (en) * 1993-12-08 1996-12-17 Terayon Corporation Adaptive electronic filter
US5568411A (en) * 1994-07-25 1996-10-22 National Semiconductor Corporation Method and apparatus for using polarity-coincidence correlators in LMS adaptive filters
US6108385A (en) * 1996-07-08 2000-08-22 Silicon Wireless Limited Method and apparatus for reducing intermodulation distortion in digital wideband transmission systems
US5742642A (en) * 1996-10-29 1998-04-21 Telefonaktiebolaget Lm Ericsson Signal processing method and apparatus for reducing equalizer error
US5914620A (en) * 1997-04-09 1999-06-22 Wytec, Inc. Frequency doubling of a quadrature-amplitude modulated signal using a frequency multiplier
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US6337606B1 (en) * 1999-02-02 2002-01-08 Sicom, Inc. Digital communications modulator having a modulation processor which supports high data rates
DE60014175T2 (de) * 2000-01-26 2005-10-06 Nokia Corp. Verfahren und vorrichtung zum kompensieren von nicht-linearitäten und zeitvarianten änderungen einer übertragungsfunktion wirksam auf ein eingangssignal
US6591282B1 (en) * 2000-04-05 2003-07-08 Oak Technology, Inc. Apparatus and method for a DC-Insensitive FIR filter for optical PRML channel
US7120656B1 (en) * 2000-10-04 2006-10-10 Marvell International Ltd. Movable tap finite impulse response filter
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
GB2385730A (en) * 2002-02-20 2003-08-27 Motorola Inc An apparatus and method for power amplifier linearisation

Also Published As

Publication number Publication date
AU2003287118A1 (en) 2005-06-17
DE60335670D1 (de) 2011-02-17
CN1879294A (zh) 2006-12-13
CN100492887C (zh) 2009-05-27
US7412469B2 (en) 2008-08-12
EP1716635A1 (de) 2006-11-02
EP1716635B1 (de) 2011-01-05
US20070133713A1 (en) 2007-06-14
WO2005053153A1 (en) 2005-06-09

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