BR112015001348B1 - Sistema para alinhar em tempo sinais espaçados - Google Patents

Sistema para alinhar em tempo sinais espaçados Download PDF

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Publication number
BR112015001348B1
BR112015001348B1 BR112015001348-1A BR112015001348A BR112015001348B1 BR 112015001348 B1 BR112015001348 B1 BR 112015001348B1 BR 112015001348 A BR112015001348 A BR 112015001348A BR 112015001348 B1 BR112015001348 B1 BR 112015001348B1
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BR
Brazil
Prior art keywords
delay
dpd
coupled
output
power amplifier
Prior art date
Application number
BR112015001348-1A
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English (en)
Portuguese (pt)
Other versions
BR112015001348A2 (pt
Inventor
Wan Jong Kim
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

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    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
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 BR112015001348A2 (pt) 2017-07-04
BR112015001348B1 true BR112015001348B1 (pt) 2021-12-21

Family

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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 (8)

Country Link
US (3) US9225296B2 (https=)
EP (2) EP3745664A1 (https=)
JP (2) JP6542120B2 (https=)
KR (1) KR102141257B1 (https=)
CN (1) CN104584501B (https=)
BR (1) BR112015001348B1 (https=)
IL (2) IL236619B (https=)
WO (1) WO2014018379A1 (https=)

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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)
CN114144974A (zh) * 2019-12-23 2022-03-04 爱德万测试公司 用于基于输入样本集合提供多个输出样本的信号处理装置和用于基于输入样本集合提供多个输出样本的方法
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)
US12525997B2 (en) 2020-11-17 2026-01-13 Nokia Technologies Oy Group delay compensation
US12401332B2 (en) 2021-09-16 2025-08-26 Qorvo Us, Inc. Phase and amplitude error correction in a transmission circuit
US12323174B2 (en) 2021-09-16 2025-06-03 Qorvo Us, Inc. Amplitude-to-phase error correction in a transceiver circuit
US12526001B2 (en) 2022-01-18 2026-01-13 Qorvo Us, Inc. Linearized front-end operation using information from baseband circuit
US12549138B1 (en) 2022-04-12 2026-02-10 Qorvo Us, Inc. Bandwidth adaptation in a transmission circuit
US12489402B2 (en) 2022-05-31 2025-12-02 Qorvo Us, Inc. Voltage ripple reduction in a power management circuit
US12456957B2 (en) 2023-01-20 2025-10-28 Qorvo Us, Inc. Amplitude and phase error correction in a wireless communication circuit

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Also Published As

Publication number Publication date
WO2014018379A1 (en) 2014-01-30
JP2019180093A (ja) 2019-10-17
IL236619A0 (en) 2015-02-26
HK1208291A1 (en) 2016-02-26
BR112015001348A2 (pt) 2017-07-04
KR20150034787A (ko) 2015-04-03
IL236619B (en) 2018-08-30
US20200052659A1 (en) 2020-02-13
CN104584501B (zh) 2019-07-12
EP2875620A1 (en) 2015-05-27
EP2875620A4 (en) 2016-03-02
JP2015525036A (ja) 2015-08-27
IL259447A (en) 2018-07-31
KR102141257B1 (ko) 2020-08-05
JP6542120B2 (ja) 2019-07-10
EP3745664A1 (en) 2020-12-02
US9225296B2 (en) 2015-12-29
US10263569B2 (en) 2019-04-16
CN104584501A (zh) 2015-04-29
US11394350B2 (en) 2022-07-19
EP2875620B1 (en) 2020-09-02
US20160344351A1 (en) 2016-11-24
US20140159810A1 (en) 2014-06-12

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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.