FR2846812B1 - Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf - Google Patents

Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf

Info

Publication number
FR2846812B1
FR2846812B1 FR0213817A FR0213817A FR2846812B1 FR 2846812 B1 FR2846812 B1 FR 2846812B1 FR 0213817 A FR0213817 A FR 0213817A FR 0213817 A FR0213817 A FR 0213817A FR 2846812 B1 FR2846812 B1 FR 2846812B1
Authority
FR
France
Prior art keywords
linearizing
learning
amplifier
improving
methods
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
FR0213817A
Other languages
English (en)
Other versions
FR2846812A1 (fr
Inventor
Sandrine Touchais
Xavier Checoury
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.)
EADS Defence and Security Networks SAS
Original Assignee
EADS Defence and Security Networks 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 EADS Defence and Security Networks SAS filed Critical EADS Defence and Security Networks SAS
Priority to FR0213817A priority Critical patent/FR2846812B1/fr
Priority to AU2003289713A priority patent/AU2003289713A1/en
Priority to CA002504477A priority patent/CA2504477A1/fr
Priority to EP03780232A priority patent/EP1559254A1/fr
Priority to PCT/FR2003/003134 priority patent/WO2004045179A1/fr
Priority to US10/533,860 priority patent/US7593477B2/en
Publication of FR2846812A1 publication Critical patent/FR2846812A1/fr
Application granted granted Critical
Publication of FR2846812B1 publication Critical patent/FR2846812B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/366Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR0213817A 2002-11-05 2002-11-05 Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf Expired - Fee Related FR2846812B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0213817A FR2846812B1 (fr) 2002-11-05 2002-11-05 Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf
AU2003289713A AU2003289713A1 (en) 2002-11-05 2003-10-24 Training sequence for linearizing an rf amplifier
CA002504477A CA2504477A1 (fr) 2002-11-05 2003-10-24 Sequence d'apprentissage pour la linearisation d'un amplificateur rf
EP03780232A EP1559254A1 (fr) 2002-11-05 2003-10-24 Sequence d'apprentissage pour la linearisation d'un amplificateur rf
PCT/FR2003/003134 WO2004045179A1 (fr) 2002-11-05 2003-10-24 Sequence d'apprentissage pour la linearisation d'un amplificateur rf
US10/533,860 US7593477B2 (en) 2002-11-05 2003-10-24 Training sequence for linearizing an RF amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0213817A FR2846812B1 (fr) 2002-11-05 2002-11-05 Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf

Publications (2)

Publication Number Publication Date
FR2846812A1 FR2846812A1 (fr) 2004-05-07
FR2846812B1 true FR2846812B1 (fr) 2005-01-28

Family

ID=32104451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0213817A Expired - Fee Related FR2846812B1 (fr) 2002-11-05 2002-11-05 Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf

Country Status (6)

Country Link
US (1) US7593477B2 (fr)
EP (1) EP1559254A1 (fr)
AU (1) AU2003289713A1 (fr)
CA (1) CA2504477A1 (fr)
FR (1) FR2846812B1 (fr)
WO (1) WO2004045179A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DK2157752T3 (da) 2008-08-18 2012-04-02 Research In Motion Ltd System og fremgangsmåder til udvælgelse, sending og modtagelse af træningssekvenser
DE102014213857B4 (de) * 2014-07-16 2016-03-03 Siemens Aktiengesellschaft Gerät mit MR-Spule

Family Cites Families (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291277A (en) * 1979-05-16 1981-09-22 Harris Corporation Adaptive predistortion technique for linearizing a power amplifier for digital data systems
US4700151A (en) * 1985-03-20 1987-10-13 Nec Corporation Modulation system capable of improving a transmission system
FR2644638B1 (fr) * 1989-03-14 1991-05-31 Labo Electronique Physique
US5049832A (en) * 1990-04-20 1991-09-17 Simon Fraser University Amplifier linearization by adaptive predistortion
US5066923A (en) * 1990-10-31 1991-11-19 Motorola, Inc. Linear transmitter training method and apparatus
GB2265269B (en) * 1992-03-02 1995-08-30 Motorola Ltd Radio transmitter with linearization training sequence
GB2272133B (en) * 1992-11-02 1996-06-12 Motorola Inc Radio system
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 送信装置
US5748678A (en) * 1995-07-13 1998-05-05 Motorola, Inc. Radio communications apparatus
US5732333A (en) * 1996-02-14 1998-03-24 Glenayre Electronics, Inc. Linear transmitter using predistortion
US5892397A (en) * 1996-03-29 1999-04-06 Spectrian Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude
US5760646A (en) * 1996-03-29 1998-06-02 Spectrian Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier
FR2752313B1 (fr) * 1996-08-07 1998-11-13 Alcatel Telspace Procede et dispositif de modelisation des caracteristiques am/am et am/pm d'un amplificateur, et procede de predistorsion correspondant
US5913172A (en) * 1996-11-15 1999-06-15 Glenayre Electronics, Inc. Method and apparatus for reducing phase cancellation in a simulcast paging system
US5920808A (en) * 1996-12-12 1999-07-06 Glenayre Electronics, Inc. Method and apparatus for reducing key-up distortion by pre-heating transistors
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US5867065A (en) * 1997-05-07 1999-02-02 Glenayre Electronics, Inc. Frequency selective predistortion in a linear transmitter
US5959499A (en) * 1997-09-30 1999-09-28 Motorola, Inc. Predistortion system and method using analog feedback loop for look-up table training
US6075411A (en) * 1997-12-22 2000-06-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for wideband predistortion linearization
US5959500A (en) * 1998-01-26 1999-09-28 Glenayre Electronics, Inc. Model-based adaptive feedforward amplifier linearizer
FI982738A (fi) * 1998-12-17 2000-06-18 Nokia Networks Oy Lähettimen linearisointi
US6043707A (en) * 1999-01-07 2000-03-28 Motorola, Inc. Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier
US6369648B1 (en) * 1999-04-21 2002-04-09 Hughes Electronics Corporation Linear traveling wave tube amplifier utilizing input drive limiter for optimization
IT1313906B1 (it) * 1999-06-15 2002-09-26 Cit Alcatel Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza.
JP4256057B2 (ja) * 1999-09-30 2009-04-22 株式会社東芝 非線形補償器
KR20010064900A (ko) * 1999-12-20 2001-07-11 서평원 적응성 선왜곡 선형화 장치
DE19962340B4 (de) * 1999-12-23 2005-11-03 Robert Bosch Gmbh Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle
DE19962341C1 (de) * 1999-12-23 2001-08-23 Bosch Gmbh Robert Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle
US6674808B1 (en) * 1999-12-28 2004-01-06 General Dynamics Decision Systems, Inc. Post-amplifier filter rejection equalization
US6396350B2 (en) * 2000-02-09 2002-05-28 Paradigm Wireless Systems, Inc. Power booster method and apparatus for improving the performance of radio frequency linear power amplifiers
US6741662B1 (en) * 2000-04-17 2004-05-25 Intel Corporation Transmitter linearization using fast predistortion
US20020171485A1 (en) * 2001-05-18 2002-11-21 Spectrian Corporation Digitally implemented predistorter control mechanism for linearizing high efficiency RF power amplifiers
US6928122B2 (en) * 2001-06-07 2005-08-09 Motorola, Inc. Amplifier predistortion system and method
US7203247B2 (en) * 2001-07-23 2007-04-10 Agere Systems Inc. Digital predistortion technique for WCDMA wireless communication system and method of operation thereof
US20030063686A1 (en) * 2001-07-25 2003-04-03 Giardina Charles Robert System and method for predistorting a signal using current and past signal samples
US6931080B2 (en) * 2001-08-13 2005-08-16 Lucent Technologies Inc. Multiple stage and/or nested predistortion system and method
US7003051B2 (en) * 2001-10-16 2006-02-21 Intel Corporation Time delay estimation in a transmitter
US7058369B1 (en) * 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers
FR2835120B1 (fr) * 2002-01-21 2006-10-20 Evolium Sas Procede et dispositif de preparation de signaux destines a etre compares pour etablir une pre-distorsion sur l'entree d'un amplificateur
US6731168B2 (en) * 2002-02-06 2004-05-04 Intersil Americas, Inc. Power amplifier linearizer that compensates for long-time-constant memory effects and method therefor
US7085330B1 (en) * 2002-02-15 2006-08-01 Marvell International Ltd. Method and apparatus for amplifier linearization using adaptive predistortion
US20030179830A1 (en) * 2002-03-25 2003-09-25 Eidson Donald B. Efficient, high fidelity transmission of modulation schemes through power-constrained remote relay stations by local transmit predistortion and local receiver feedback
AU2003213930A1 (en) * 2002-03-26 2003-10-08 Her Majesty In Right Of Canada As Represented By The Minister Of Industry Adaptive predistorter based on the probability distribution function of the output amplitude
US6853246B2 (en) * 2002-04-18 2005-02-08 Agere Systems Inc. Adaptive predistortion system and a method of adaptively predistorting a signal
US6985704B2 (en) * 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US6680649B2 (en) * 2002-06-07 2004-01-20 Telefonaktiebolaget Lm Ericsson (Publ) Coordinate rotation of pre-distortion vector in feedforward linearization amplification system
US6891902B2 (en) * 2002-07-02 2005-05-10 Intel Corporation System and method for adjusting a power level of a transmission signal
US7116726B2 (en) * 2002-08-12 2006-10-03 Cubic Corporation Method and apparatus for transferring multiple symbol streams at low bit-error rates in a narrowband channel
US20040057533A1 (en) * 2002-09-23 2004-03-25 Kermalli Munawar Hussein System and method for performing predistortion at intermediate frequency
US7403573B2 (en) * 2003-01-15 2008-07-22 Andrew Corporation Uncorrelated adaptive predistorter
US7289773B2 (en) * 2003-01-23 2007-10-30 Powerwave Technologies, Inc. Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller
US6975167B2 (en) * 2003-07-03 2005-12-13 Icefyre Semiconductor Corporation Adaptive predistortion for a transmit system with gain, phase and delay adjustments
US20050032472A1 (en) * 2003-08-08 2005-02-10 Yimin Jiang Method and apparatus of estimating non-linear amplifier response in an overlaid communication system
US7099399B2 (en) * 2004-01-27 2006-08-29 Crestcom, Inc. Distortion-managed digital RF communications transmitter and method therefor
US7430248B2 (en) * 2004-01-27 2008-09-30 Crestcom, Inc. Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter
US7342976B2 (en) * 2004-01-27 2008-03-11 Crestcom, Inc. Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter
US7542517B2 (en) * 2004-02-02 2009-06-02 Ibiquity Digital Corporation Peak-to-average power reduction for FM OFDM transmission
US7113036B2 (en) * 2004-04-15 2006-09-26 Agere Systems Inc. Method and apparatus for adaptive digital predistortion using nonlinear and feedback gain parameters
US7336716B2 (en) * 2004-06-30 2008-02-26 Intel Corporation Power amplifier linearization methods and apparatus using predistortion in the frequency domain
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
KR100882529B1 (ko) * 2005-04-20 2009-02-06 삼성전자주식회사 광대역 무선통신시스템에서 피크 전력 대 평균 전력비를감소하기 위한 장치 및 방법
US7479828B2 (en) * 2005-11-15 2009-01-20 Alcatel-Lucent Usa Inc. Selecting samples for amplifier digital predistortion estimation
US7466197B2 (en) * 2005-11-15 2008-12-16 Alcatel-Lucent Usa Inc. Selecting samples for amplifier digital predistortion estimation

Also Published As

Publication number Publication date
US7593477B2 (en) 2009-09-22
FR2846812A1 (fr) 2004-05-07
EP1559254A1 (fr) 2005-08-03
US20060018400A1 (en) 2006-01-26
AU2003289713A1 (en) 2004-06-03
CA2504477A1 (fr) 2004-05-27
WO2004045179A1 (fr) 2004-05-27

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Effective date: 20090731