WO2006016964A3 - Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller - Google Patents

Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller Download PDF

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Publication number
WO2006016964A3
WO2006016964A3 PCT/US2005/021025 US2005021025W WO2006016964A3 WO 2006016964 A3 WO2006016964 A3 WO 2006016964A3 US 2005021025 W US2005021025 W US 2005021025W WO 2006016964 A3 WO2006016964 A3 WO 2006016964A3
Authority
WO
WIPO (PCT)
Prior art keywords
predistortion parameter
system employing
transmitter system
adaptive controller
digital transmitter
Prior art date
Application number
PCT/US2005/021025
Other languages
French (fr)
Other versions
WO2006016964A2 (en
Inventor
Richard Neil Braithwaite
Original Assignee
Powerwave Technologies Inc
Richard Neil Braithwaite
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 Powerwave Technologies Inc, Richard Neil Braithwaite filed Critical Powerwave Technologies Inc
Priority to EP05760621A priority Critical patent/EP1776769A4/en
Publication of WO2006016964A2 publication Critical patent/WO2006016964A2/en
Publication of WO2006016964A3 publication Critical patent/WO2006016964A3/en

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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit

Abstract

A method and apparatus for digital predistortion of power amplifiers are disclosed. Successful digital predistortion parameter settings are correlated with the operating conditions that affect the distortion of an amplifier (111). These operating conditions may include input power level, carrier frequency, temperature, DC supply voltage, or others. The successful predistortion parameter settings along with the corresponding operating conditions are stored in a list (224) that is indexed using multi-dimensional attribute vectors. The elements of the list are generated automatically.
PCT/US2005/021025 2004-07-12 2005-06-14 Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller WO2006016964A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05760621A EP1776769A4 (en) 2004-07-12 2005-06-14 Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/889,636 2004-07-12
US10/889,636 US7289773B2 (en) 2003-01-23 2004-07-12 Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller

Publications (2)

Publication Number Publication Date
WO2006016964A2 WO2006016964A2 (en) 2006-02-16
WO2006016964A3 true WO2006016964A3 (en) 2006-04-13

Family

ID=35839695

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/021025 WO2006016964A2 (en) 2004-07-12 2005-06-14 Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller

Country Status (3)

Country Link
US (1) US7289773B2 (en)
EP (1) EP1776769A4 (en)
WO (1) WO2006016964A2 (en)

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US20100130154A1 (en) * 2008-11-24 2010-05-27 Sei-Joo Jang Amplification system for interference suppression in wireless communications
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JP5338378B2 (en) * 2009-03-02 2013-11-13 富士通株式会社 Distortion compensation apparatus and method
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US8489047B2 (en) * 2010-11-02 2013-07-16 Crestcom, Inc. Transmitter linearized using bias deviation gain adjustment and method therefor
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CN103685111B (en) * 2013-12-26 2017-01-11 大唐移动通信设备有限公司 Calculating method of digital pre-distortion parameters and pre-distortion system
EP3131251A4 (en) * 2014-04-30 2017-04-19 Huawei Technologies Co. Ltd. Pre-distortion system and method
CN105227507B (en) * 2014-06-13 2019-08-02 中兴通讯股份有限公司 Nonlinear systematic distortion correction device and method
US9461597B2 (en) * 2014-11-05 2016-10-04 King Fahd University Of Petroleum And Minerals Weighted memory polynomial method and system for power amplifiers predistortion
US9374262B1 (en) * 2014-12-18 2016-06-21 Viasat, Inc. Techniques for linearizing phase separately from amplitude in a communications system
US9590668B1 (en) 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator
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US11057004B2 (en) 2017-02-25 2021-07-06 Nanosemi, Inc. Multiband digital predistorter
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US10141961B1 (en) 2017-05-18 2018-11-27 Nanosemi, Inc. Passive intermodulation cancellation
US10931318B2 (en) * 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
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US10644657B1 (en) 2018-05-11 2020-05-05 Nanosemi, Inc. Multi-band digital compensator for a non-linear system
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See also references of EP1776769A4 *

Also Published As

Publication number Publication date
EP1776769A2 (en) 2007-04-25
US7289773B2 (en) 2007-10-30
EP1776769A4 (en) 2013-03-13
US20050009479A1 (en) 2005-01-13
WO2006016964A2 (en) 2006-02-16

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