KR102141257B1 - 무선 통신 시스템에서의 광대역 디지털 사전왜곡을 위해 주파수가 널리 이격된 신호들을 정렬하는 방법 및 시스템 - Google Patents

무선 통신 시스템에서의 광대역 디지털 사전왜곡을 위해 주파수가 널리 이격된 신호들을 정렬하는 방법 및 시스템 Download PDF

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KR102141257B1
KR102141257B1 KR1020157004064A KR20157004064A KR102141257B1 KR 102141257 B1 KR102141257 B1 KR 102141257B1 KR 1020157004064 A KR1020157004064 A KR 1020157004064A KR 20157004064 A KR20157004064 A KR 20157004064A KR 102141257 B1 KR102141257 B1 KR 102141257B1
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delay
function
timing error
signals
parameter
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KR20150034787A (ko
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김완종
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달리 시스템즈 씨오. 엘티디.
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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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Nonlinear Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
KR1020157004064A 2012-07-23 2013-07-18 무선 통신 시스템에서의 광대역 디지털 사전왜곡을 위해 주파수가 널리 이격된 신호들을 정렬하는 방법 및 시스템 Active KR102141257B1 (ko)

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
KR20150034787A KR20150034787A (ko) 2015-04-03
KR102141257B1 true KR102141257B1 (ko) 2020-08-05

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

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Also Published As

Publication number Publication date
EP2875620B1 (en) 2020-09-02
WO2014018379A1 (en) 2014-01-30
JP6542120B2 (ja) 2019-07-10
IL259447A (en) 2018-07-31
HK1208291A1 (en) 2016-02-26
US11394350B2 (en) 2022-07-19
US9225296B2 (en) 2015-12-29
JP2015525036A (ja) 2015-08-27
CN104584501A (zh) 2015-04-29
EP3745664A1 (en) 2020-12-02
IL236619B (en) 2018-08-30
IL236619A0 (en) 2015-02-26
BR112015001348A2 (pt) 2017-07-04
US10263569B2 (en) 2019-04-16
BR112015001348B1 (pt) 2021-12-21
US20160344351A1 (en) 2016-11-24
EP2875620A1 (en) 2015-05-27
KR20150034787A (ko) 2015-04-03
JP2019180093A (ja) 2019-10-17
US20140159810A1 (en) 2014-06-12
CN104584501B (zh) 2019-07-12
US20200052659A1 (en) 2020-02-13
EP2875620A4 (en) 2016-03-02

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