DE60123982D1 - Offline-mcpa-kalibrierung - Google Patents

Offline-mcpa-kalibrierung

Info

Publication number
DE60123982D1
DE60123982D1 DE60123982T DE60123982T DE60123982D1 DE 60123982 D1 DE60123982 D1 DE 60123982D1 DE 60123982 T DE60123982 T DE 60123982T DE 60123982 T DE60123982 T DE 60123982T DE 60123982 D1 DE60123982 D1 DE 60123982D1
Authority
DE
Germany
Prior art keywords
power amplifier
spectrum
input
signal
output
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60123982T
Other languages
English (en)
Inventor
Leonard Rexberg
Bernt Johansson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60123982D1 publication Critical patent/DE60123982D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
DE60123982T 2000-09-07 2001-08-23 Offline-mcpa-kalibrierung Expired - Lifetime DE60123982D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0003071A SE517456C2 (sv) 2000-09-07 2000-09-07 MCPA-kalibrering off-line
PCT/SE2001/001782 WO2002021683A1 (en) 2000-09-07 2001-08-23 Off-line mcpa calibration

Publications (1)

Publication Number Publication Date
DE60123982D1 true DE60123982D1 (de) 2006-11-30

Family

ID=20280841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60123982T Expired - Lifetime DE60123982D1 (de) 2000-09-07 2001-08-23 Offline-mcpa-kalibrierung

Country Status (7)

Country Link
US (1) US6975688B2 (de)
EP (1) EP1316145B1 (de)
AT (1) ATE343246T1 (de)
AU (1) AU2001282773A1 (de)
DE (1) DE60123982D1 (de)
SE (1) SE517456C2 (de)
WO (1) WO2002021683A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1351064A1 (de) * 2002-04-06 2003-10-08 Agilent Technologies, Inc. - a Delaware corporation - Messgerät mit Spektrum-Analysator und Verfahren hierfür
US7991071B2 (en) 2002-05-16 2011-08-02 Rf Micro Devices, Inc. AM to PM correction system for polar modulator
US7801244B2 (en) * 2002-05-16 2010-09-21 Rf Micro Devices, Inc. Am to AM correction system for polar modulator
DE10320420B4 (de) * 2003-05-07 2005-05-25 Siemens Ag Anordnung und Verfahren zur digitalen Vorverzerrung eines komplexen Basisband-Eingangssignals
US7720171B2 (en) * 2003-06-13 2010-05-18 Alcatel-Lucent Usa Inc. Coefficient estimation method and apparatus
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
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
US8489042B1 (en) 2009-10-08 2013-07-16 Rf Micro Devices, Inc. Polar feedback linearization
CN103973250B (zh) * 2014-04-23 2016-08-31 京信通信系统（中国）有限公司 Dpd mcpa功放增益自适应补偿方法、系统与装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257860B (en) * 1991-07-06 1995-09-20 Racal Communications Syst Ltd Amplification systems
US5732333A (en) * 1996-02-14 1998-03-24 Glenayre Electronics, Inc. Linear transmitter using predistortion
US5937011A (en) * 1996-03-26 1999-08-10 Airnet Communications Corp. Multi-carrier high power amplifier using digital pre-distortion
US5959499A (en) * 1997-09-30 1999-09-28 Motorola, Inc. Predistortion system and method using analog feedback loop for look-up table training
US6600792B2 (en) * 1998-06-26 2003-07-29 Qualcomm Incorporated Predistortion technique for high power amplifiers
US6304140B1 (en) * 2000-06-12 2001-10-16 Motorola, Inc. Digital predistortion for amplifiers

Also Published As

Publication number Publication date
AU2001282773A1 (en) 2002-03-22
ATE343246T1 (de) 2006-11-15
EP1316145B1 (de) 2006-10-18
EP1316145A1 (de) 2003-06-04
SE0003071L (sv) 2002-03-08
SE0003071D0 (sv) 2000-09-07
SE517456C2 (sv) 2002-06-11
US6975688B2 (en) 2005-12-13
US20020027961A1 (en) 2002-03-07
WO2002021683A1 (en) 2002-03-14

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Legal Events

Date Code Title Description
8332 No legal effect for de