[go: up one dir, main page]

BRPI0915332A2 - método e dispositivo de pré-distorção para amplificação da utilização energética de amplificadores de potência em aplicações voltadas a comunicação digital sem fios - Google Patents

método e dispositivo de pré-distorção para amplificação da utilização energética de amplificadores de potência em aplicações voltadas a comunicação digital sem fios

Info

Publication number
BRPI0915332A2
BRPI0915332A2 BRPI0915332A BRPI0915332A BRPI0915332A2 BR PI0915332 A2 BRPI0915332 A2 BR PI0915332A2 BR PI0915332 A BRPI0915332 A BR PI0915332A BR PI0915332 A BRPI0915332 A BR PI0915332A BR PI0915332 A2 BRPI0915332 A2 BR PI0915332A2
Authority
BR
Brazil
Prior art keywords
power
amplifying
wireless communications
digital wireless
communications applications
Prior art date
Application number
BRPI0915332A
Other languages
English (en)
Inventor
Ali Talebi
Amirhooshang Farahani Samani
Jeyran Hezaveh
Original Assignee
Innovaradio S A
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 Innovaradio S A filed Critical Innovaradio S A
Publication of BRPI0915332A2 publication Critical patent/BRPI0915332A2/pt

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/207A hybrid coupler being used as power measuring circuit at the output of an amplifier circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/451Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
BRPI0915332A 2008-07-02 2009-07-02 método e dispositivo de pré-distorção para amplificação da utilização energética de amplificadores de potência em aplicações voltadas a comunicação digital sem fios BRPI0915332A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13371008P 2008-07-02 2008-07-02
PCT/IB2009/052888 WO2010001357A1 (en) 2008-07-02 2009-07-02 A pre-distortion method and device to enhance the power utility of power amplifiers in wireless digital communication applications

Publications (1)

Publication Number Publication Date
BRPI0915332A2 true BRPI0915332A2 (pt) 2015-10-27

Family

ID=41077559

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915332A BRPI0915332A2 (pt) 2008-07-02 2009-07-02 método e dispositivo de pré-distorção para amplificação da utilização energética de amplificadores de potência em aplicações voltadas a comunicação digital sem fios

Country Status (8)

Country Link
US (1) US8417197B2 (pt)
EP (1) EP2311185B1 (pt)
JP (1) JP5323188B2 (pt)
CN (1) CN102077462A (pt)
AT (1) ATE542292T1 (pt)
BR (1) BRPI0915332A2 (pt)
ES (1) ES2379515T3 (pt)
WO (1) WO2010001357A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8964821B2 (en) * 2011-10-14 2015-02-24 Qualcomm Incorporated Shared feedback for adaptive transmitter pre-distortion
CN102412791A (zh) * 2011-11-29 2012-04-11 电子科技大学 一种用于高效功率放大器的数字预失真处理方法
US8606197B2 (en) * 2012-01-16 2013-12-10 Telefonaktiebolaget L M Ericsson (Publ) Method and system for generating odd order predistortions for a power amplifier receiving concurrent dual band inputs
CN102904846B (zh) * 2012-10-31 2015-07-29 华南理工大学 一种适应快变信号的数字预失真处理方法
US9191250B2 (en) * 2013-11-26 2015-11-17 Blackberry Limited Extended bandwidth adaptive digital pre-distortion with reconfigurable analog front-ends
US9379744B2 (en) 2014-09-16 2016-06-28 Honeywell International Inc. System and method for digital predistortion
CN106679659B (zh) * 2017-01-10 2019-08-09 中北大学 一种基于参数可调非线性跟踪微分器的信号去噪方法
CN108400442A (zh) * 2018-02-05 2018-08-14 广东欧珀移动通信有限公司 天线组件、电子装置及改善天线辐射指标的方法
CN111060912B (zh) * 2019-12-26 2021-01-19 成都信息工程大学 一种天气雷达速调管仿真的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351624B (en) * 1999-06-30 2003-12-03 Wireless Systems Int Ltd Reducing distortion of signals
US6798843B1 (en) 1999-07-13 2004-09-28 Pmc-Sierra, Inc. Wideband digital predistortion linearizer for nonlinear amplifiers
GB2359432B (en) 2000-02-17 2002-07-03 Wireless Systems Int Ltd Signal detection
US6275106B1 (en) 2000-02-25 2001-08-14 Spectrian Corporation Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier
JP4015455B2 (ja) * 2002-03-29 2007-11-28 富士通株式会社 歪補償装置
KR100480278B1 (ko) 2002-12-24 2005-04-07 삼성전자주식회사 광대역 전력 증폭기를 위한 디지털 전치보상기 및 그적응화 방법
JP4033794B2 (ja) 2003-03-24 2008-01-16 株式会社エヌ・ティ・ティ・ドコモ 高効率線形電力増幅器
WO2004095793A1 (en) * 2003-04-21 2004-11-04 Rgb Networks, Inc. Wideband multi-channel quadrature amplitude modulation of cable television signals
JP4284630B2 (ja) 2004-09-21 2009-06-24 株式会社日立国際電気 歪補償増幅装置
WO2006082681A1 (ja) 2005-02-01 2006-08-10 Hitachi Kokusai Electric Inc. スペクトル解析方法、歪検出装置、歪補償増幅装置
CN101233684B (zh) 2005-10-17 2011-08-24 株式会社日立国际电气 非线形失真检测方法和失真补偿放大装置

Also Published As

Publication number Publication date
US8417197B2 (en) 2013-04-09
EP2311185B1 (en) 2012-01-18
JP2011526763A (ja) 2011-10-13
ES2379515T3 (es) 2012-04-26
WO2010001357A1 (en) 2010-01-07
CN102077462A (zh) 2011-05-25
US20110095821A1 (en) 2011-04-28
EP2311185A1 (en) 2011-04-20
ATE542292T1 (de) 2012-02-15
JP5323188B2 (ja) 2013-10-23

Similar Documents

Publication Publication Date Title
BRPI0915332A2 (pt) método e dispositivo de pré-distorção para amplificação da utilização energética de amplificadores de potência em aplicações voltadas a comunicação digital sem fios
JP5572215B2 (ja) 線形化回路及び電力増幅のための方法
Hammi et al. Twin nonlinear two-box models for power amplifiers and transmitters exhibiting memory effects with application to digital predistortion
KR20150039240A (ko) 공통게이트 전압변조 선형화기를 이용한 포락선 추적 전력 송신기
ATE544233T1 (de) Progressive stromerzeugungsverstärker
ATE523957T1 (de) Rauscharmer transkonduktanzverstärker mit quadraturausgang und differenzeingang
WO2018126010A3 (en) Digital predistortion for multiple power amplifiers
GB2503380A (en) A method for pre-distorting and a pre-distorter
TW200703886A (en) High power doherty amplifier using multi-stage modules
GB201200627D0 (en) Pre-distortion in RF path in combination with shaping table in envelope path for envelope tracking amplifier
ATE516628T1 (de) Rauscharmer verstärker
WO2008042709A3 (en) Enhanced doherty amplifier with asymmetrical semiconductors
WO2006036380A3 (en) A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same
WO2013071133A3 (en) Radio frequency power amplifiers
BR112016014144A2 (pt) Cancelamento de distorção para produtos de segunda ordem não lineares do amplificador de baixo ruído (lna)
EP1523102A3 (en) Digital feedback linearizing apparatuses and methods
ATE460776T1 (de) Linearisierung einer emissionskette
MY164099A (en) Systems and methods for adaptive power amplifier linearization
Safari et al. An approximation of Volterra series using delay envelopes, applied to digital predistortion of RF power amplifiers with memory effects
TW200719585A (en) High-bandwidth high-gain amplifier
ATE456201T1 (de) Breitband-verstärkungseinrichtung
TW200740106A (en) Low noise amplifier and low noise amplifying method of dynamically adjusting a bias voltage when switching gain modes to improve linearity
ATE474773T1 (de) Optimierungsverfahren der nutzlast eines mehrfachstrahl-funksatelliten
JP2012049858A5 (pt)
WO2007001720A3 (en) Apparatus for removing distortions created by an amplifier

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]