IN2014KN01727A - - Google Patents

Info

Publication number
IN2014KN01727A
IN2014KN01727A IN1727KON2014A IN2014KN01727A IN 2014KN01727 A IN2014KN01727 A IN 2014KN01727A IN 1727KON2014 A IN1727KON2014 A IN 1727KON2014A IN 2014KN01727 A IN2014KN01727 A IN 2014KN01727A
Authority
IN
India
Prior art keywords
power amplifier
predistortion
compensates
sub system
memory effects
Prior art date
Application number
Other languages
English (en)
Inventor
Sai Mohan Kilambi
Yuxing Zhang
Chunlong Bai
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IN2014KN01727A publication Critical patent/IN2014KN01727A/en

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
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IN1727KON2014 2012-02-28 2013-01-11 IN2014KN01727A (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/407,205 US8798559B2 (en) 2012-02-28 2012-02-28 FIR/IIR filter predistorter for power amplifiers exhibiting short-term and/or long-term memory effects
PCT/IB2013/050279 WO2013128300A1 (en) 2012-02-28 2013-01-11 Fir/iir filter predistorter for power amplifiers exhibiting short-term and/or long-term memory effects

Publications (1)

Publication Number Publication Date
IN2014KN01727A true IN2014KN01727A (https=) 2015-10-23

Family

ID=47833315

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1727KON2014 IN2014KN01727A (https=) 2012-02-28 2013-01-11

Country Status (4)

Country Link
US (1) US8798559B2 (https=)
EP (1) EP2820762B1 (https=)
IN (1) IN2014KN01727A (https=)
WO (1) WO2013128300A1 (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9831898B2 (en) 2013-03-13 2017-11-28 Analog Devices Global Radio frequency transmitter noise cancellation
US10243678B2 (en) * 2013-10-28 2019-03-26 National Instruments Corporation Linearization of radio frequency transceivers and test systems through dynamic extraction of complex nonlinear models thereof
WO2015123668A1 (en) 2014-02-14 2015-08-20 University Of Southern California Hybrid-based cancellation in presence of antenna mismatch
US9912358B2 (en) * 2015-03-20 2018-03-06 Analog Devices Global Method of and apparatus for transmit noise reduction at a receiver
US9762416B2 (en) * 2015-09-08 2017-09-12 Abtum Inc. Reflection coefficient reader
US9866201B2 (en) 2015-09-08 2018-01-09 Abtum Inc. All-acoustic duplexers using directional couplers
US10581650B2 (en) 2015-09-08 2020-03-03 Qorvo Us, Inc. Enhancing isolation in radio frequency multiplexers
US9912326B2 (en) 2015-09-08 2018-03-06 Abtum Inc. Method for tuning feed-forward canceller
US9755668B2 (en) 2015-09-30 2017-09-05 Abtum Inc. Radio frequency complex reflection coefficient reader
US10038458B2 (en) 2015-10-06 2018-07-31 Abtum Inc. Reflection-based radio-frequency multiplexers
KR102527018B1 (ko) 2015-10-12 2023-04-27 압툼 인크. 하이브리드 커플러 기반 무선 주파수 멀티플렉서
JP6720697B2 (ja) * 2016-05-27 2020-07-08 日本電気株式会社 歪補償回路、歪補償方法及び送信装置
KR102419926B1 (ko) 2016-09-21 2022-07-11 코르보 유에스, 인크. 하이브리드 기반 무선 주파수 듀플렉서 및 멀티플렉서의 향상된 아이솔레이션
US10153794B2 (en) * 2016-12-02 2018-12-11 Mediatek, Inc. Transmitter, communication unit and method for limiting spectral re-growth
GB2563092A (en) * 2017-06-02 2018-12-05 Cirrus Logic Int Semiconductor Ltd Audio amplifiers
GB2563094A (en) 2017-06-02 2018-12-05 Cirrus Logic Int Semiconductor Ltd Audio amplifiers
FR3080723B1 (fr) 2018-04-25 2021-08-06 Wupatec Systeme et procede de linearisation en bande de base pour un amplificateur de puissance radiofrequence de classe g
JP7276344B2 (ja) * 2018-08-29 2023-05-18 住友電気工業株式会社 歪補償装置、無線通信機、プリディストータ、歪補償方法、及びコンピュータプログラム
US11387790B2 (en) 2019-01-24 2022-07-12 Analog Devices International Unlimited Company Power semiconductor device with charge trapping compensation
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
US11533070B2 (en) 2019-12-23 2022-12-20 Analog Devices International Unlimited Company Systems and methods of compensating for narrowband distortion in power semiconductor devices
CN113037224B (zh) * 2019-12-25 2024-06-25 珠海全志科技股份有限公司 跳频数字预失真训练装置、方法和跳频数字预失真装置
US11563409B2 (en) 2020-10-26 2023-01-24 Analog Devices International Unlimited Company Configurable non-linear filter for digital pre-distortion
WO2022181778A1 (ja) * 2021-02-25 2022-09-01 三菱電機株式会社 データ処理装置およびレーダ装置
US11539331B2 (en) 2021-04-12 2022-12-27 Cirrus Logic, Inc. Signal amplitude-selected signal predistortion in an amplifier
WO2022268508A1 (en) 2021-06-24 2022-12-29 Analog Devices International Unlimited Company Systems and methods of compensating a transmit signal for charge trapping effects of a power amplifier
CN121643659B (zh) * 2026-02-05 2026-04-24 西安安泰电子科技有限公司 功率放大器协同线性化方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7071777B2 (en) * 2003-12-02 2006-07-04 Motorola, Inc. Digital memory-based predistortion technique
US7366252B2 (en) * 2004-01-21 2008-04-29 Powerwave Technologies, Inc. Wideband enhanced digital injection predistortion system and method
US7577211B2 (en) * 2004-03-01 2009-08-18 Powerwave Technologies, Inc. Digital predistortion system and method for linearizing an RF power amplifier with nonlinear gain characteristics and memory effects
US7336725B2 (en) * 2004-03-03 2008-02-26 Powerwave Technologies, Inc. Digital predistortion system and method for high efficiency transmitters
CN104202279A (zh) * 2006-12-26 2014-12-10 大力系统有限公司 用于多信道宽带通信系统中的基带预失真线性化的方法和系统
CN101911477B (zh) 2008-01-15 2013-10-23 三菱电机株式会社 前置补偿器
US8412132B2 (en) 2008-08-21 2013-04-02 Freescale Semiconductor, Inc. Techniques for adaptive predistortion direct current offset correction in a transmitter

Also Published As

Publication number Publication date
EP2820762A1 (en) 2015-01-07
US20130222059A1 (en) 2013-08-29
WO2013128300A1 (en) 2013-09-06
US8798559B2 (en) 2014-08-05
EP2820762B1 (en) 2016-09-21

Similar Documents

Publication Publication Date Title
IN2014KN01727A (https=)
WO2013190386A3 (en) Low-complexity, highly-spectrally-efficient communications
WO2012066383A8 (en) Orthogonal basis function set for digital predistorter
WO2011025934A3 (en) Power line communications apparatus
WO2012149225A3 (en) Systems and devices for recording and reproducing senses
WO2012170582A3 (en) Switched-capacitor dc blocking amplifier
EP2648333A3 (en) Sensor amplifier arrangement and method for amplifying a sensor signal
WO2015033232A3 (en) Adaptive nonlinear model learning
WO2012154840A3 (en) System providing switchable impedance transformer matching for power amplifiers
WO2014020487A3 (en) Pim compensation in a receiver
FI20110428A7 (fi) Vahingoittuneiden audiosignaalien korjaaminen
EP2507920A4 (en) Communication system and method using space division multi-user multiple input multiple output (sd-mimo) communication method
EP2764596A4 (en) DEVICE FOR INSULATING INPUT / OUTPUT POWER AND SIGNAL TRANSMISSION
EP2963813A4 (en) Digital amplifier, three-value signal output method, and speaker
WO2010101719A3 (en) Amplifier system for cell sites and other suitable applications
GB2607677B (en) Signal amplitude-selected signal pre-distortion in an amplifier
HK1223746A1 (zh) 放大级工作点的确定
WO2012156791A9 (en) Systems and methods for processing time-division signals and frequency-division signals
EP3031140A4 (en) Low noise amplifier module and method of implementation
IN2014CN02257A (https=)
WO2011080724A3 (en) Power amplifier with feedback impedance for stable output
WO2011070483A3 (en) Apparatus and method for pre-distorting and amplifying a signal
EP2589278A4 (en) Method and arrangement for positioning electronic devices into compartments of an input medium and output medium
EP2391080A3 (en) Receiving device, linearizer, and distortion compensation method
GB201113433D0 (en) Solid state audio power amplifer