DE69940998D1 - Verfahren zur breitbandigen Linearisierung von Leistungsverstärkern - Google Patents

Verfahren zur breitbandigen Linearisierung von Leistungsverstärkern

Info

Publication number
DE69940998D1
DE69940998D1 DE69940998T DE69940998T DE69940998D1 DE 69940998 D1 DE69940998 D1 DE 69940998D1 DE 69940998 T DE69940998 T DE 69940998T DE 69940998 T DE69940998 T DE 69940998T DE 69940998 D1 DE69940998 D1 DE 69940998D1
Authority
DE
Germany
Prior art keywords
power amplifiers
broadband linearization
linearization
broadband
amplifiers
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 - Fee Related
Application number
DE69940998T
Other languages
English (en)
Inventor
Luc Dartois
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Application granted granted Critical
Publication of DE69940998D1 publication Critical patent/DE69940998D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE69940998T 1999-06-30 1999-06-30 Verfahren zur breitbandigen Linearisierung von Leistungsverstärkern Expired - Fee Related DE69940998D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99401627A EP1067676B1 (de) 1999-06-30 1999-06-30 Verfahren zur breitbandigen Linearisierung von Leistungsverstärkern

Publications (1)

Publication Number Publication Date
DE69940998D1 true DE69940998D1 (de) 2009-07-30

Family

ID=8242035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940998T Expired - Fee Related DE69940998D1 (de) 1999-06-30 1999-06-30 Verfahren zur breitbandigen Linearisierung von Leistungsverstärkern

Country Status (4)

Country Link
US (1) US6885709B1 (de)
EP (1) EP1067676B1 (de)
CN (1) CN1288835C (de)
DE (1) DE69940998D1 (de)

Families Citing this family (26)

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GB2359432B (en) 2000-02-17 2002-07-03 Wireless Systems Int Ltd Signal detection
GB0015223D0 (en) * 2000-06-21 2000-08-16 Central Research Lab Ltd A radio frequency (RF) transceiver
US20020027958A1 (en) * 2000-06-22 2002-03-07 Kolanek James C. Feedback channel signal recovery
CN1124756C (zh) * 2000-11-14 2003-10-15 华为技术有限公司 一种基于宽带多载波基站的增益均衡方法和装置
SE519220C2 (sv) * 2001-06-14 2003-02-04 Ericsson Telefon Ab L M Predistortion med förbikopplingssignal
US7248642B1 (en) 2002-02-05 2007-07-24 Andrew Corporation Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks
US7266159B2 (en) 2002-03-08 2007-09-04 Andrew Corporation Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
US7197085B1 (en) 2002-03-08 2007-03-27 Andrew Corporation Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
CN1177449C (zh) 2002-04-23 2004-11-24 华为技术有限公司 基于基带数字预失真技术的提高射频功率放大器效率的方法
US7139327B2 (en) * 2002-06-10 2006-11-21 Andrew Corporation Digital pre-distortion of input signals for reducing spurious emissions in communication networks
GB2394374B (en) * 2002-10-17 2006-06-14 Roke Manor Research Improvements in or relating to RF transmitters
DE10301499A1 (de) 2003-01-16 2004-07-29 Siemens Ag Schaltungsanordnung für ein Multimode-Mobiltelefon zum Senden/Empfangen von Signalen in/aus verschiedene/n Mobilfunknetze/n
KR100539874B1 (ko) 2003-04-02 2005-12-28 한국과학기술원 무선 송수신장치에서 자가 보상장치 및 방법
US7349490B2 (en) * 2003-04-16 2008-03-25 Powerwave Technologies, Inc. Additive digital predistortion system employing parallel path coordinate conversion
US7809393B2 (en) * 2003-05-09 2010-10-05 Nxp B.V. Method and arrangement for setting the transmission of a mobile communication device
US7251293B2 (en) * 2003-06-27 2007-07-31 Andrew Corporation Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US7129778B2 (en) * 2003-07-23 2006-10-31 Northrop Grumman Corporation Digital cross cancellation system
US7280612B2 (en) * 2003-07-25 2007-10-09 Zarbana Digital Fund Llc Digital branch calibrator for an RF transmitter
US7183847B2 (en) * 2004-01-28 2007-02-27 Ntt Docomo, Inc. Multi-band look-up table type predistorter
US8503952B2 (en) * 2008-04-10 2013-08-06 Broadcom Corporation Compensation of an asymmetric frequency response of a radio
DE102009031017B4 (de) * 2009-06-29 2018-06-21 Wobben Properties Gmbh Verfahren und Vorrichtung zur Beobachtung eines dreiphasigen Wechselspannungsnetzes sowie Windenergieanlage
US8358170B2 (en) * 2010-03-23 2013-01-22 Intersil Americas Inc. Power amplifier linearization using cancellation-based feed forward methods and systems
US8711976B2 (en) 2011-05-12 2014-04-29 Andrew Llc Pre-distortion architecture for compensating non-linear effects
FR2991527B1 (fr) * 2012-05-30 2014-06-27 Centre Nat Etd Spatiales Procede de calibration de lineariseur et composant electronique linearise
US9722644B2 (en) * 2015-08-18 2017-08-01 Nokia Solutions And Networks Oy Frequency switching within time domain digital pre-distortion
CN105305980A (zh) * 2015-11-12 2016-02-03 电子科技大学 反馈式预失真线性化方法

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GB2153173B (en) * 1984-01-19 1987-09-30 Marconi Co Ltd High-frequency pre-distortion circuit for power amplifiers
GB2204202B (en) * 1987-04-28 1991-11-27 Racal Communications Equip Radio transmitters
US5252930A (en) * 1989-09-07 1993-10-12 Ortel Corporation Predistorter for linearization of electronic and optical signals
US5334946A (en) * 1990-04-25 1994-08-02 British Technology Group Limited Apparatus and method for reducing distortion in amplification
GB9111926D0 (en) * 1991-06-04 1991-07-24 Nat Transcommunications Ltd An improved method of video noise reduction using non-linear pre/de-emphasis
GB2257860B (en) * 1991-07-06 1995-09-20 Racal Communications Syst Ltd Amplification systems
JP3342746B2 (ja) * 1993-06-30 2002-11-11 富士通株式会社 線形増幅器
US5424680A (en) * 1993-11-30 1995-06-13 Harmonic Lightwaves, Inc. Predistorter for high frequency optical communications devices
IT1265271B1 (it) * 1993-12-14 1996-10-31 Alcatel Italia Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza
US6157811A (en) * 1994-01-11 2000-12-05 Ericsson Inc. Cellular/satellite communications system with improved frequency re-use
US5489879A (en) * 1995-02-16 1996-02-06 Seiko Communication Systems, Inc. Amplitude and phase error normalization of subcarrier generator
US5991308A (en) * 1995-08-25 1999-11-23 Terayon Communication Systems, Inc. Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant
US5796307A (en) * 1995-11-16 1998-08-18 Ntt Mobile Communications Network Inc. Amplifying device having input and output nonlinear phase shifters of opposite phase-frequency characteristics
US5900778A (en) * 1997-05-08 1999-05-04 Stonick; John T. Adaptive parametric signal predistorter for compensation of time varying linear and nonlinear amplifier distortion
US6075411A (en) * 1997-12-22 2000-06-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for wideband predistortion linearization
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
US6600792B2 (en) * 1998-06-26 2003-07-29 Qualcomm Incorporated Predistortion technique for high power amplifiers
US6240278B1 (en) * 1998-07-30 2001-05-29 Motorola, Inc. Scalar cost function based predistortion linearizing device, method, phone and basestation
US6493543B1 (en) * 1998-10-19 2002-12-10 Powerwave Technologies, Inc. Multichannel amplification system using mask detection
US6542562B1 (en) * 1999-02-09 2003-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Approximated MMSE-based channel estimator in a mobile communication system
US6590940B1 (en) * 1999-05-17 2003-07-08 Ericsson Inc. Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform
US6609008B1 (en) * 2000-11-09 2003-08-19 Qualcomm Incoporated Method and apparatus for controlling signal power level in a communication system

Also Published As

Publication number Publication date
CN1291000A (zh) 2001-04-11
EP1067676B1 (de) 2009-06-17
CN1288835C (zh) 2006-12-06
US6885709B1 (en) 2005-04-26
EP1067676A1 (de) 2001-01-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee