IT1313906B1 - Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza. - Google Patents

Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza.

Info

Publication number
IT1313906B1
IT1313906B1 IT1999MI001323A ITMI991323A IT1313906B1 IT 1313906 B1 IT1313906 B1 IT 1313906B1 IT 1999MI001323 A IT1999MI001323 A IT 1999MI001323A IT MI991323 A ITMI991323 A IT MI991323A IT 1313906 B1 IT1313906 B1 IT 1313906B1
Authority
IT
Italy
Prior art keywords
amplicators
power
adaptive digital
linearity introduced
precorrection
Prior art date
Application number
IT1999MI001323A
Other languages
English (en)
Inventor
Angelo Leva
Sergio Gulino
Gianluigi Redaelli
Arnaldo Spalvieri
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Priority to IT1999MI001323A priority Critical patent/IT1313906B1/it
Publication of ITMI991323A0 publication Critical patent/ITMI991323A0/it
Priority to EP00401637A priority patent/EP1061642A3/en
Priority to US09/593,154 priority patent/US6320463B1/en
Publication of ITMI991323A1 publication Critical patent/ITMI991323A1/it
Application granted granted Critical
Publication of IT1313906B1 publication Critical patent/IT1313906B1/it

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
    • H03F1/3247—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
    • H03F1/3282—Acting on the phase and the amplitude of the input 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
    • H03F1/3282—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
    • 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)
  • Amplifiers (AREA)
IT1999MI001323A 1999-06-15 1999-06-15 Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza. IT1313906B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT1999MI001323A IT1313906B1 (it) 1999-06-15 1999-06-15 Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza.
EP00401637A EP1061642A3 (en) 1999-06-15 2000-06-09 Adaptive digital pre-correction of nonlinearities introduced by power amplifiers
US09/593,154 US6320463B1 (en) 1999-06-15 2000-06-14 Adaptive digital pre-correction of nonlinearities introduced by power amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI001323A IT1313906B1 (it) 1999-06-15 1999-06-15 Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza.

Publications (3)

Publication Number Publication Date
ITMI991323A0 ITMI991323A0 (it) 1999-06-15
ITMI991323A1 ITMI991323A1 (it) 2000-12-15
IT1313906B1 true IT1313906B1 (it) 2002-09-26

Family

ID=11383164

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI001323A IT1313906B1 (it) 1999-06-15 1999-06-15 Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza.

Country Status (3)

Country Link
US (1) US6320463B1 (it)
EP (1) EP1061642A3 (it)
IT (1) IT1313906B1 (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258079B1 (en) * 2000-02-24 2003-09-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System for pre-distorting an input signal for a power amplifier using non-orthogonal coordinates
US6600516B1 (en) * 2000-04-21 2003-07-29 Harris Corporation Digital RF transmitter system employing both digital pre-correction and analog pre-correction
US7362821B1 (en) 2002-05-22 2008-04-22 Marvel International Ltd. Method and apparatus for amplifier linearization using adaptive predistortion
US7085330B1 (en) 2002-02-15 2006-08-01 Marvell International Ltd. Method and apparatus for amplifier linearization using adaptive predistortion
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US6985704B2 (en) * 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
JP4091047B2 (ja) * 2002-10-31 2008-05-28 深▲川▼市中▲興▼通▲訊▼股▲分▼有限公司 広帯域プリディストーション線形化の方法およびシステム
FR2846812B1 (fr) * 2002-11-05 2005-01-28 Eads Defence & Security Ntwk Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf
FR2846813B1 (fr) * 2002-11-05 2005-01-28 Eads Defence & Security Ntwk Procede et dispositif d'apprentissage d'un dispositif de linearisation d'un amplificateur rf, et terminal mobile incorporant un tel dispositif
KR100555520B1 (ko) * 2003-10-28 2006-03-03 삼성전자주식회사 다중 캐리어 신호의 비선형적 왜곡을 보상하는 다중캐리어 신호 왜곡 보상 장치, 이를 구비한 다중 캐리어신호 수신기, 및 그 방법
US7313208B2 (en) * 2003-11-03 2007-12-25 Zenith Electronics Corporation Pre-equalization for low-cost DTV translators
GB2407929A (en) * 2003-11-05 2005-05-11 Motorola Inc A predistorter for a polar transmitter, using look-up tables and interpolation, and possessing a simple training procedure.
US7095278B2 (en) * 2004-07-28 2006-08-22 Nortel Networks Limited Power amplifier arrangement and method for memory correction/linearization
US20060039498A1 (en) * 2004-08-19 2006-02-23 De Figueiredo Rui J P Pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same
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
US7680176B2 (en) * 2005-11-21 2010-03-16 Telefonaktiebolaget Lm Ericsson (Publ) Simplified generalized rake receiver method and apparatus
CN101479956B (zh) 2006-04-28 2013-07-31 大力***有限公司 用于无线通信的高效率线性化功率放大器
KR20100014339A (ko) 2006-12-26 2010-02-10 달리 시스템즈 씨오. 엘티디. 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템
US8498591B1 (en) 2009-08-21 2013-07-30 Marvell International Ltd. Digital Predistortion for nonlinear RF power amplifiers
US8699620B1 (en) 2010-04-16 2014-04-15 Marvell International Ltd. Digital Predistortion for nonlinear RF power amplifiers
CN105208083B (zh) 2010-09-14 2018-09-21 大力***有限公司 用于发送信号的***和分布式天线***
US8237500B1 (en) * 2011-03-22 2012-08-07 Sioma Edward M Signal correction circuit for reducing errors and distortions and its associated method of operation
US8649745B2 (en) 2011-12-21 2014-02-11 Telefonaktiebolaget L M Ericsson (Publ) Adaptive predistortion for a non-linear subsystem based on a model as a concatenation of a non-linear model followed by a linear model
US9374044B2 (en) 2011-12-21 2016-06-21 Telefonaktiebolaget L M Ericsson (Publ) Architecture of nonlinear RF filter-based transmitter
US9819318B2 (en) 2011-12-21 2017-11-14 Telefonaktiebolaget L M Ericsson (Publ) Architecture of a low bandwidth predistortion system for non-linear RF components
US8811532B2 (en) 2012-03-16 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Architecture and the training method of a PA DPD system with space mapping applied in the predistorter
US9160586B1 (en) 2013-07-24 2015-10-13 Marvell International Ltd. Method and apparatus for estimating and compensating for in-phase and quadrature (IQ) mismatch in a receiver of a wireless communication device
US10075310B2 (en) * 2014-08-28 2018-09-11 Lockheed Martin Corporation Adaptive linearizer
EP3543722A1 (en) * 2018-03-20 2019-09-25 Koninklijke Philips N.V. Magnetic resonance imaging using corrected k-space trajectories calculated from current sensor data

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US6147555A (en) * 1998-10-19 2000-11-14 Powerwave Technologies, Inc. Amplification system having mask detection
US6211733B1 (en) * 1999-10-22 2001-04-03 Powerwave Technologies, Inc. Predistortion compensation for a power amplifier
US6246286B1 (en) * 1999-10-26 2001-06-12 Telefonaktiebolaget Lm Ericsson Adaptive linearization of power amplifiers

Also Published As

Publication number Publication date
EP1061642A3 (en) 2004-08-18
US6320463B1 (en) 2001-11-20
ITMI991323A1 (it) 2000-12-15
ITMI991323A0 (it) 1999-06-15
EP1061642A2 (en) 2000-12-20

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