CN106031027B - 用于开关模式功率放大器的数字预失真的方法及设备 - Google Patents

用于开关模式功率放大器的数字预失真的方法及设备 Download PDF

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CN106031027B
CN106031027B CN201580008790.0A CN201580008790A CN106031027B CN 106031027 B CN106031027 B CN 106031027B CN 201580008790 A CN201580008790 A CN 201580008790A CN 106031027 B CN106031027 B CN 106031027B
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input signal
baseband
representation
representing
power
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CN106031027A (zh
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丁雷
拉赫米·赫扎尔
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Texas Instruments Inc
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Texas Instruments Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • 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
    • 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
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • 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
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
CN201580008790.0A 2014-03-10 2015-03-10 用于开关模式功率放大器的数字预失真的方法及设备 Active CN106031027B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/203,236 2014-03-10
US14/203,236 US9184784B2 (en) 2014-03-10 2014-03-10 Method and apparatus for digital predistortion for a switched mode power amplifier
PCT/US2015/019747 WO2015138482A1 (en) 2014-03-10 2015-03-10 Method and apparatus for digital predistortion for a switched mode power amplifier

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Publication Number Publication Date
CN106031027A CN106031027A (zh) 2016-10-12
CN106031027B true CN106031027B (zh) 2020-02-28

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US (2) US9184784B2 (enExample)
EP (1) EP3117520B1 (enExample)
JP (1) JP6492102B2 (enExample)
CN (1) CN106031027B (enExample)
WO (1) WO2015138482A1 (enExample)

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US10033413B2 (en) * 2016-05-19 2018-07-24 Analog Devices Global Mixed-mode digital predistortion
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EP3340477B1 (en) * 2016-12-23 2021-11-03 Nxp B.V. A wireless transmitter, a circuit, and method for driver harmonic reduction
KR20190121825A (ko) 2017-02-25 2019-10-28 나노세미, 인크. 멀티밴드 디지털 전치왜곡기
US10141961B1 (en) 2017-05-18 2018-11-27 Nanosemi, Inc. Passive intermodulation cancellation
US11115067B2 (en) 2017-06-09 2021-09-07 Nanosemi, Inc. Multi-band linearization system
US10931318B2 (en) * 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US10581470B2 (en) 2017-06-09 2020-03-03 Nanosemi, Inc. Linearization system
WO2019014422A1 (en) 2017-07-12 2019-01-17 Nanosemi, Inc. SYSTEMS AND METHODS FOR CONTROLLING RADIOS MADE WITH DIGITAL PREDISTORSION
EP3665773A1 (en) * 2017-08-11 2020-06-17 Nokia Solutions and Networks Oy Polyphase digital signal predistortion in radio transmitter
US11303251B2 (en) 2017-10-02 2022-04-12 Nanosemi, Inc. Digital predistortion adjustment based on determination of load condition characteristics
JP2021523629A (ja) 2018-05-11 2021-09-02 ナノセミ， インク．Ｎａｎｏｓｅｍｉ， Ｉｎｃ． 非線形システム用デジタル補償器
US10644657B1 (en) 2018-05-11 2020-05-05 Nanosemi, Inc. Multi-band digital compensator for a non-linear system
US11863210B2 (en) 2018-05-25 2024-01-02 Nanosemi, Inc. Linearization with level tracking
CN112640299B (zh) 2018-05-25 2024-11-12 纳诺塞米有限公司 用于数字预失真的方法、用于执行数字预失真的线性化系统和非暂时性机器可读介质
US10931238B2 (en) 2018-05-25 2021-02-23 Nanosemi, Inc. Linearization with envelope tracking or average power tracking
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
CN109889216B (zh) * 2019-03-25 2021-04-02 Oppo广东移动通信有限公司 射频前端装置及终端
CN110907694A (zh) * 2020-02-07 2020-03-24 南京派格测控科技有限公司 功率放大器的输入电流的计算方法及装置
CN111371722B (zh) 2020-03-18 2021-12-31 南京创远信息科技有限公司 针对5g nr带内调制信号实现预失真补偿处理的方法
US10992326B1 (en) 2020-05-19 2021-04-27 Nanosemi, Inc. Buffer management for adaptive digital predistortion
CN113358212B (zh) * 2021-06-21 2022-09-30 重庆理工大学 基于相对谐阶次的机电故障诊断方法、系统及建模方法

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Publication number Publication date
EP3117520A1 (en) 2017-01-18
EP3117520B1 (en) 2020-08-05
WO2015138482A1 (en) 2015-09-17
CN106031027A (zh) 2016-10-12
US20160028433A1 (en) 2016-01-28
JP2017508399A (ja) 2017-03-23
US20150256216A1 (en) 2015-09-10
JP6492102B2 (ja) 2019-03-27
EP3117520A4 (en) 2017-10-18
US9184784B2 (en) 2015-11-10

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