BR112015001348A2 - sistema para alinhar em tempo sinais espaçados, e, método para alinhar sinais temporalmente - Google Patents

sistema para alinhar em tempo sinais espaçados, e, método para alinhar sinais temporalmente

Info

Publication number
BR112015001348A2
BR112015001348A2 BR112015001348A BR112015001348A BR112015001348A2 BR 112015001348 A2 BR112015001348 A2 BR 112015001348A2 BR 112015001348 A BR112015001348 A BR 112015001348A BR 112015001348 A BR112015001348 A BR 112015001348A BR 112015001348 A2 BR112015001348 A2 BR 112015001348A2
Authority
BR
Brazil
Prior art keywords
aligning
signals
time
coupled
power amplifier
Prior art date
Application number
BR112015001348A
Other languages
English (en)
Other versions
BR112015001348B1 (pt
Inventor
Jong Kim Wan
Original Assignee
Dali Systems Co Ltd
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 Dali Systems Co Ltd filed Critical Dali Systems Co Ltd
Publication of BR112015001348A2 publication Critical patent/BR112015001348A2/pt
Publication of BR112015001348B1 publication Critical patent/BR112015001348B1/pt

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
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/02—Capturing of monitoring data
    • H04L43/028—Capturing of monitoring data by filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • H04L25/03063—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using fractionally spaced delay lines or combinations of fractionally and integrally spaced taps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0002—Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Nonlinear Science (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)

Abstract

1 / 1 resumo “sistema para alinhar em tempo sinais espaã‡ados, e, mã‰todo para alinhar sinais temporalmente” um sistema para alinhar em tempo sinais espaã§ados em frequãªncia amplamente compreende um processador de prã©-distorã§ã£o digital (dpd) e um amplificador de potãªncia acoplado ao processador de dpd e operã¡vel para prover um sinal de transmissã£o a uma saã­da de amplificador de potãªncia. o sistema tambã©m compreende uma malha de realimentaã§ã£o acoplada ã  saã­da de amplificador de potãªncia. a malha de realimentaã§ã£o compreende um filtro de atraso fracionã¡rio adaptã¡vel, um estimador de atraso acoplado ao filtro de atraso fracionã¡rio adaptã¡vel, e um estimador de coeficiente de dpd acoplado ao estimador de atraso.
BR112015001348-1A 2012-07-23 2013-07-18 Sistema para alinhar em tempo sinais espaçados BR112015001348B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261674771P 2012-07-23 2012-07-23
US61/674,771 2012-07-23
PCT/US2013/051149 WO2014018379A1 (en) 2012-07-23 2013-07-18 Method and system for aligning signals widely spaced in frequency for wideband digital predistortion in wireless communication systems

Publications (2)

Publication Number Publication Date
BR112015001348A2 true BR112015001348A2 (pt) 2017-07-04
BR112015001348B1 BR112015001348B1 (pt) 2021-12-21

Family

ID=49997743

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015001348-1A BR112015001348B1 (pt) 2012-07-23 2013-07-18 Sistema para alinhar em tempo sinais espaçados

Country Status (9)

Country Link
US (3) US9225296B2 (pt)
EP (2) EP2875620B1 (pt)
JP (2) JP6542120B2 (pt)
KR (1) KR102141257B1 (pt)
CN (1) CN104584501B (pt)
BR (1) BR112015001348B1 (pt)
HK (1) HK1208291A1 (pt)
IL (2) IL236619B (pt)
WO (1) WO2014018379A1 (pt)

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US9225296B2 (en) 2012-07-23 2015-12-29 Dali Systems Co. Ltd. Method and system for aligning signals widely spaced in frequency for wideband digital predistortion in wireless communication systems
US9306507B2 (en) * 2013-07-12 2016-04-05 Intel Deutschland Gmbh Controller and method for controlling a signal processor
US20150092825A1 (en) * 2013-09-27 2015-04-02 Qualcomm Incorporated Self-test using internal feedback for transmit signal quality estimation
EP3230800B1 (en) 2015-03-06 2021-02-17 HP Indigo B.V. Image transfer for liquid electro-photographic printing
US9712343B2 (en) 2015-06-19 2017-07-18 Andrew Wireless Systems Gmbh Scalable telecommunications system
US10079702B2 (en) 2015-07-06 2018-09-18 Mediatek Singapore Pte. Ltd. Front-end module and coupling compensation for closed-loop digital pre-distortion system
CN105516051A (zh) * 2015-11-26 2016-04-20 西安电子科技大学 数字预失真分数时延估计与信号对齐算法及系统
EP3264598B1 (en) * 2016-07-01 2019-10-09 Nokia Solutions and Networks Oy Improved feedback in miso systems
US10003310B1 (en) * 2016-12-07 2018-06-19 Nxp Usa, Inc. Segmented digital predistortion apparatus and methods
TWI700888B (zh) * 2019-08-30 2020-08-01 中磊電子股份有限公司 數位預失真電路及數位預失真方法
US10887079B1 (en) * 2019-09-26 2021-01-05 Corning Research & Development Corporation Digital predistortion (DPD) timing alignment in a remote unit(s) for a wireless communications system (WCS)
KR20220118990A (ko) * 2019-12-23 2022-08-26 주식회사 아도반테스토 입력 샘플 세트를 기반으로 복수의 출력 샘플을 제공하는 신호 처리 장치 및 입력 샘플 세트를 기반으로 복수의 출력 샘플을 제공하는 방법
US11329687B2 (en) * 2020-01-20 2022-05-10 Texas Instruments Incorporated Transceiver circuit with digital pre-distortion (DPD) options
US11190230B1 (en) 2020-05-29 2021-11-30 Corning Research & Development Corporation Wide bandwidth digital pre-distortion (DPD) in a remote unit(s) for a wireless communications system (WCS)

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FI105506B (fi) * 1998-04-30 2000-08-31 Nokia Networks Oy Vahvistimen linearisointimenetelmä ja vahvistinjärjestely
US6798843B1 (en) 1999-07-13 2004-09-28 Pmc-Sierra, Inc. Wideband digital predistortion linearizer for nonlinear amplifiers
JP4014343B2 (ja) * 1999-12-28 2007-11-28 富士通株式会社 歪補償装置
AU2000274105A1 (en) * 2000-08-18 2002-03-04 Nokia Corporation Multicarrier transmitter circuit arrangement with predistortion linearisation method
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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
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
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JP4863729B2 (ja) 2006-02-14 2012-01-25 富士通株式会社 歪補償装置及び歪補償方法
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JP5104623B2 (ja) * 2008-07-29 2012-12-19 富士通株式会社 遅延量推定装置および信号送信装置
JP5146404B2 (ja) 2009-05-21 2013-02-20 富士通株式会社 歪補償装置
JP5158034B2 (ja) 2009-08-12 2013-03-06 富士通株式会社 無線装置及び信号処理方法
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Also Published As

Publication number Publication date
US11394350B2 (en) 2022-07-19
JP2015525036A (ja) 2015-08-27
JP6542120B2 (ja) 2019-07-10
KR102141257B1 (ko) 2020-08-05
CN104584501A (zh) 2015-04-29
EP2875620A1 (en) 2015-05-27
KR20150034787A (ko) 2015-04-03
EP2875620A4 (en) 2016-03-02
EP2875620B1 (en) 2020-09-02
US9225296B2 (en) 2015-12-29
US20160344351A1 (en) 2016-11-24
IL236619A0 (en) 2015-02-26
WO2014018379A1 (en) 2014-01-30
EP3745664A1 (en) 2020-12-02
US10263569B2 (en) 2019-04-16
US20140159810A1 (en) 2014-06-12
IL236619B (en) 2018-08-30
HK1208291A1 (en) 2016-02-26
IL259447A (en) 2018-07-31
US20200052659A1 (en) 2020-02-13
JP2019180093A (ja) 2019-10-17
CN104584501B (zh) 2019-07-12
BR112015001348B1 (pt) 2021-12-21

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/07/2013, OBSERVADAS AS CONDICOES LEGAIS.