EP3635886A4 - Subsampled linearization system - Google Patents

Subsampled linearization system Download PDF

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Publication number
EP3635886A4
EP3635886A4 EP18812672.6A EP18812672A EP3635886A4 EP 3635886 A4 EP3635886 A4 EP 3635886A4 EP 18812672 A EP18812672 A EP 18812672A EP 3635886 A4 EP3635886 A4 EP 3635886A4
Authority
EP
European Patent Office
Prior art keywords
subsampled
linearization system
linearization
subsampled linearization
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP18812672.6A
Other languages
German (de)
French (fr)
Other versions
EP3635886A1 (en
Inventor
Zohaib Mahmood
Alexandre MEGRETSKI
Kevin Chuang
Yan Li
Helen H. Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanosemi Inc
Original Assignee
Nanosemi Inc
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 Nanosemi Inc filed Critical Nanosemi Inc
Publication of EP3635886A1 publication Critical patent/EP3635886A1/en
Publication of EP3635886A4 publication Critical patent/EP3635886A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/13—Monitoring; Testing of transmitters for calibration of power amplifiers, e.g. gain or non-linearity
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • 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
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence
    • 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
EP18812672.6A 2017-06-09 2018-06-08 Subsampled linearization system Withdrawn EP3635886A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762517434P 2017-06-09 2017-06-09
PCT/US2018/036665 WO2018227093A1 (en) 2017-06-09 2018-06-08 Subsampled linearization system

Publications (2)

Publication Number Publication Date
EP3635886A1 EP3635886A1 (en) 2020-04-15
EP3635886A4 true EP3635886A4 (en) 2020-04-15

Family

ID=64566333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18812672.6A Withdrawn EP3635886A4 (en) 2017-06-09 2018-06-08 Subsampled linearization system

Country Status (5)

Country Link
EP (1) EP3635886A4 (en)
JP (1) JP2020523834A (en)
KR (1) KR20200015736A (en)
CN (1) CN111066265A (en)
WO (1) WO2018227093A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018067969A1 (en) 2016-10-07 2018-04-12 Nanosemi, Inc. Beam steering digital predistortion
KR20190121825A (en) 2017-02-25 2019-10-28 나노세미, 인크. Multiband Digital Predistorter
US10141961B1 (en) 2017-05-18 2018-11-27 Nanosemi, Inc. Passive intermodulation cancellation
US10931318B2 (en) 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US11115067B2 (en) 2017-06-09 2021-09-07 Nanosemi, Inc. Multi-band linearization system
US10581470B2 (en) 2017-06-09 2020-03-03 Nanosemi, Inc. Linearization system
WO2019014422A1 (en) 2017-07-12 2019-01-17 Nanosemi, Inc. Monitoring systems and methods for radios implemented with digital predistortion
WO2019070573A1 (en) 2017-10-02 2019-04-11 Nanosemi, Inc. Digital predistortion adjustment based on determination of load condition characteristics
JP2021523629A (en) 2018-05-11 2021-09-02 ナノセミ， インク．Ｎａｎｏｓｅｍｉ， Ｉｎｃ． Digital compensator for nonlinear systems
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
CN112640299A (en) 2018-05-25 2021-04-09 纳诺塞米有限公司 Digital predistortion under varying operating conditions
US10931238B2 (en) 2018-05-25 2021-02-23 Nanosemi, Inc. Linearization with envelope tracking or average power tracking
US10992326B1 (en) 2020-05-19 2021-04-27 Nanosemi, Inc. Buffer management for adaptive digital predistortion
CN113676217B (en) * 2021-08-26 2022-11-08 电子科技大学 Digital predistortion correction method and device for frequency hopping communication
US11770145B2 (en) 2021-08-27 2023-09-26 Samsung Electronics Co., Ltd System and method for efficient initialization of memory digital pre-distorter coefficients to reduce calibration time

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130094610A1 (en) * 2011-10-14 2013-04-18 Fadhel Ghannouchi Digital Multi-band Predistortion Linearizer with Nonlinear Subsampling Algorithm in the Feedback Loop
US20150049841A1 (en) * 2013-05-22 2015-02-19 Telefonaktiebolaget L M Ericsson (Publ) Linearization of intermodulation bands for concurrent dual-band power amplifiers
EP2991221A1 (en) * 2014-08-28 2016-03-02 Analog Devices Global Receivers for digital predistortion
US9590668B1 (en) * 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105865B (en) * 1994-11-14 2000-10-13 Nokia Mobile Phones Ltd A method and circuit for adjusting and linearizing the transmitter signal power of a radio device
KR20020054149A (en) * 2000-12-27 2002-07-06 엘지전자 주식회사 Base station transmitter with digital predistorter
WO2003081870A1 (en) * 2002-03-26 2003-10-02 Her Majesty In Right Of Canada As Represented By The Minister Of Industry Adaptive predistorter based on the probability distribution function of the output amplitude
US9236996B2 (en) * 2013-11-30 2016-01-12 Amir Keyvan Khandani Wireless full-duplex system and method using sideband test signals

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130094610A1 (en) * 2011-10-14 2013-04-18 Fadhel Ghannouchi Digital Multi-band Predistortion Linearizer with Nonlinear Subsampling Algorithm in the Feedback Loop
US20150049841A1 (en) * 2013-05-22 2015-02-19 Telefonaktiebolaget L M Ericsson (Publ) Linearization of intermodulation bands for concurrent dual-band power amplifiers
EP2991221A1 (en) * 2014-08-28 2016-03-02 Analog Devices Global Receivers for digital predistortion
US9590668B1 (en) * 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CIDRONALI A ET AL: "A new approach for concurrent Dual-Band IF Digital PreDistortion: System design and analysis", INTEGRATED NONLINEAR MICROWAVE AND MILLIMETRE-WAVE CIRCUITS, 2008. INMMIC 2008. WORKSHOP ON, IEEE, PISCATAWAY, NJ, USA, 24 November 2008 (2008-11-24), pages 127 - 130, XP031404879, ISBN: 978-1-4244-2645-4 *
See also references of WO2018227093A1 *

Also Published As

Publication number Publication date
JP2020523834A (en) 2020-08-06
EP3635886A1 (en) 2020-04-15
WO2018227093A1 (en) 2018-12-13
CN111066265A (en) 2020-04-24
KR20200015736A (en) 2020-02-12

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