ATE429069T1 - Leistungsverstärker-vorverzerrung - Google Patents

Leistungsverstärker-vorverzerrung

Info

Publication number
ATE429069T1
ATE429069T1 AT03733761T AT03733761T ATE429069T1 AT E429069 T1 ATE429069 T1 AT E429069T1 AT 03733761 T AT03733761 T AT 03733761T AT 03733761 T AT03733761 T AT 03733761T AT E429069 T1 ATE429069 T1 AT E429069T1
Authority
AT
Austria
Prior art keywords
look
estimate
assuming
filter tap
filter
Prior art date
Application number
AT03733761T
Other languages
English (en)
Inventor
Leonard Rexberg
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
Application granted granted Critical
Publication of ATE429069T1 publication Critical patent/ATE429069T1/de

Links

Classifications

    • 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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • 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
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3209—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means for compensating memory effects

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT03733761T 2003-06-18 2003-06-18 Leistungsverstärker-vorverzerrung ATE429069T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2003/001032 WO2004112240A1 (en) 2003-06-18 2003-06-18 Power amplifier pre-distortion

Publications (1)

Publication Number Publication Date
ATE429069T1 true ATE429069T1 (de) 2009-05-15

Family

ID=33550565

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03733761T ATE429069T1 (de) 2003-06-18 2003-06-18 Leistungsverstärker-vorverzerrung

Country Status (7)

Country Link
US (1) US7924942B2 (de)
EP (1) EP1683266B1 (de)
CN (1) CN100530944C (de)
AT (1) ATE429069T1 (de)
AU (1) AU2003239045A1 (de)
DE (1) DE60327267D1 (de)
WO (1) WO2004112240A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8355457B2 (en) * 2004-10-26 2013-01-15 Lsi Corporation Correction-calculation algorithm for estimation of the signal to noise ratio in high bit rate DMT modulation
CN100563225C (zh) 2005-05-27 2009-11-25 华为技术有限公司 对基带数字信号进行预失真处理的通用装置
CN101112320B (zh) 2006-07-28 2010-07-21 深圳迈瑞生物医疗电子股份有限公司 波束合成的接收聚焦参数的实时计算方法及其装置
CN101116622B (zh) 2006-08-02 2010-12-01 深圳迈瑞生物医疗电子股份有限公司 波束合成的接收变迹参数的实时计算方法及其装置
US7688138B2 (en) * 2008-03-24 2010-03-30 Harris Corporation Electronic device having a predistortion filter and related methods
EP2517353B1 (de) * 2009-12-21 2016-04-20 Dali Systems Co. Ltd. Modulationsagnostisches digitales hybridmodus-leistungsverstärkersystem und verfahren
US9363068B2 (en) 2010-08-03 2016-06-07 Intel Corporation Vector processor having instruction set with sliding window non-linear convolutional function
US8737490B1 (en) * 2010-08-20 2014-05-27 Cadence Design Systems, Inc. Analog-to-digital converter based decision feedback equalization
US8737491B1 (en) 2010-08-20 2014-05-27 Cadence Design Systems, Inc. Analog-to-digital converter based decision feedback equalization
CN102404263B (zh) * 2010-09-19 2014-11-19 中兴通讯股份有限公司 数字预失真处理方法及装置
US20140250309A1 (en) * 2013-03-01 2014-09-04 Qualcomm Incorporated Predictive self calibrated power control
US9337781B2 (en) 2013-12-09 2016-05-10 King Fahd University Of Petroleum And Minerals Augmented twin nonlinear two-box modeling and predistortion method for power amplifiers and transmitters
US9431972B1 (en) * 2014-07-07 2016-08-30 Altera Corporation Apparatus and methods for digital predistortion
US9379744B2 (en) 2014-09-16 2016-06-28 Honeywell International Inc. System and method for digital predistortion
CN107659273B (zh) * 2017-09-26 2021-02-09 东南大学 毫米波宽带功率放大器的可重构数字预失真系统及方法
KR102631349B1 (ko) * 2019-03-07 2024-02-01 삼성전자주식회사 전력 증폭기의 비선형성을 보상하는 장치 및 방법
US11133834B2 (en) * 2019-03-07 2021-09-28 Samsung Electronics Co., Ltd. Device and method of compensating for nonlinearity of power amplifier
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816914A (en) * 1987-01-07 1989-03-28 Pictel Corporation Method and apparatus for efficiently encoding and decoding image sequences
US5832022A (en) * 1995-06-02 1998-11-03 Omnipoint Corporation Method and apparatus for controlling the modulation index of continuous phase modulated (CPM) signals
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US5867065A (en) * 1997-05-07 1999-02-02 Glenayre Electronics, Inc. Frequency selective predistortion in a linear transmitter
US6404823B1 (en) * 1998-07-01 2002-06-11 Conexant Systems, Inc. Envelope feedforward technique with power control for efficient linear RF power amplification
US7397850B2 (en) * 1999-02-18 2008-07-08 Easley Mathew F Reciprocal index lookup for BTSC compatible coefficients
US6614854B1 (en) * 1999-05-28 2003-09-02 Carriercomm, Inc. System and method for adaptive predistortion
US6356146B1 (en) * 1999-07-13 2002-03-12 Pmc-Sierra, Inc. Amplifier measurement and modeling processes for use in generating predistortion parameters
JP2001210189A (ja) * 2000-01-26 2001-08-03 Matsushita Electric Works Ltd スイッチ装置
GB2376613B (en) 2001-06-15 2005-01-05 Wireless Systems Int Ltd Methods and apparatus for signal distortion correction
US7269231B2 (en) * 2002-05-31 2007-09-11 Lucent Technologies Inc. System and method for predistorting a signal using current and past signal samples

Also Published As

Publication number Publication date
US7924942B2 (en) 2011-04-12
AU2003239045A1 (en) 2005-01-04
WO2004112240A1 (en) 2004-12-23
EP1683266A1 (de) 2006-07-26
EP1683266B1 (de) 2009-04-15
CN100530944C (zh) 2009-08-19
DE60327267D1 (de) 2009-05-28
CN1788413A (zh) 2006-06-14
US20070063770A1 (en) 2007-03-22

Similar Documents

Publication Publication Date Title
DE60327267D1 (de) Leistungsverstärker-vorverzerrung
SE0300829D0 (sv) Power amplifier pre-distortion
ATE494659T1 (de) Leistungsverstärker-vorverzerrer-training
WO2005079313A3 (en) Adaptive bias current circuit and method for amplifiers
ATE413789T1 (de) Hörgerät mit adaptivem rückkopplungsunterdrückungssystem
KR20100014339A (ko) 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템
CN103686578A (zh) 具有可编程频率响应的扩音器
ATE392738T1 (de) Adaptives digitales vorentzerrungssystem
FI980967A0 (fi) Vahvistimen linearisointimenetelmä ja vahvistinjärjestely
US9197262B2 (en) Low-power and low-cost adaptive self-linearization system with fast convergence
US20160149550A1 (en) Method and apparatus to equalize acoustic response of a speaker system using multi-rate fir and all-pass iir filters
WO2005101904A3 (en) Phase based feedback oscillation prevention in hearing aids
ATE460053T1 (de) Hörgerät mit modellierter rückkopplungsverstärkungsschätzung
WO2006020503A3 (en) Digital adaptive feedforward harmonic distortion compensation for digitally controlled power stage
EP2264889A3 (de) Verfahren und Vorrichtung zur Steuerung der Stromversorgung eines Audioverstärkers
EP1517440A3 (de) Verstärkungsregelung und Empfänger mit Verstärkungsregelung
JP2003155938A5 (de)
ATE329439T1 (de) Vorverzerrung zur korrektur von nichtlinearitäten sowie von gruppenlaufzeit bei satellitenkommunikation
TW284950B (en) Burst update for an adaptive equalizer
DE60010899D1 (de) Entscheidungsrückgekoppelter entzerrer und rampenerzeugungsschaltung für einen vorkodierer
EP1773098B1 (de) Vorrichtung und Verfahren zur Anpassung von Mikrofonen
WO2003096525A3 (en) Polyphase impedance transformation amplifier
CN103036513B (zh) 线性功率放大装置
TW200607334A (en) Signal processing device and signal processing method
EP3110004A1 (de) Tonsignalverstärkungsvorrichtung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties