ATE519273T1 - Adaptive vorverzerrung - Google Patents

Adaptive vorverzerrung

Info

Publication number
ATE519273T1
ATE519273T1 AT06809694T AT06809694T ATE519273T1 AT E519273 T1 ATE519273 T1 AT E519273T1 AT 06809694 T AT06809694 T AT 06809694T AT 06809694 T AT06809694 T AT 06809694T AT E519273 T1 ATE519273 T1 AT E519273T1
Authority
AT
Austria
Prior art keywords
input
amplifier
output signal
signal
adaptive predistortion
Prior art date
Application number
AT06809694T
Other languages
English (en)
Inventor
Filip Jorgensen
Joakim Eriksson
Original Assignee
Sony Ericsson Mobile Comm Ab
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 Sony Ericsson Mobile Comm Ab filed Critical Sony Ericsson Mobile Comm Ab
Application granted granted Critical
Publication of ATE519273T1 publication Critical patent/ATE519273T1/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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT06809694T 2006-04-24 2006-10-24 Adaptive vorverzerrung ATE519273T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/379,891 US20070249290A1 (en) 2006-04-24 2006-04-24 Adaptive pre-distortion
PCT/IB2006/053917 WO2007122457A2 (en) 2006-04-24 2006-10-24 Adaptive pre-distortion

Publications (1)

Publication Number Publication Date
ATE519273T1 true ATE519273T1 (de) 2011-08-15

Family

ID=37806981

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06809694T ATE519273T1 (de) 2006-04-24 2006-10-24 Adaptive vorverzerrung

Country Status (5)

Country Link
US (1) US20070249290A1 (de)
EP (1) EP2011232B1 (de)
CN (1) CN101473530B (de)
AT (1) ATE519273T1 (de)
WO (1) WO2007122457A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US20150244329A1 (en) * 2012-10-16 2015-08-27 Nokia Solutions And Networks Oy Technique for Extremely High Order IM Correction
WO2016058181A1 (en) * 2014-10-17 2016-04-21 Texas Instruments Incorporated Compensation parameter and predistortion signal
US11329687B2 (en) * 2020-01-20 2022-05-10 Texas Instruments Incorporated Transceiver circuit with digital pre-distortion (DPD) options

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251328A (en) * 1990-12-20 1993-10-05 At&T Bell Laboratories Predistortion technique for communications systems
US5732333A (en) * 1996-02-14 1998-03-24 Glenayre Electronics, Inc. Linear transmitter using predistortion
US6173161B1 (en) * 1996-09-25 2001-01-09 Lucent Technologies Inc. Signal improvement by predistortion/postdistortion programmable converter
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US6072364A (en) * 1997-06-17 2000-06-06 Amplix Adaptive digital predistortion for power amplifiers with real time modeling of memoryless complex gains
CN1204898A (zh) * 1997-06-30 1999-01-13 哈里公司 在补偿反馈系统中具有降低的a/d动态范围要求的装置
GB2337169A (en) * 1998-05-07 1999-11-10 Nokia Mobile Phones Ltd An adaptive predistorter for an amplifier
WO2000039920A1 (en) * 1998-12-24 2000-07-06 Nokia Networks Oy Multi-frequency transmitter using predistortion and a method of transmitting
GB2351624B (en) * 1999-06-30 2003-12-03 Wireless Systems Int Ltd Reducing distortion of signals
US6798843B1 (en) * 1999-07-13 2004-09-28 Pmc-Sierra, Inc. Wideband digital predistortion linearizer for nonlinear amplifiers
US7145962B2 (en) * 2000-08-04 2006-12-05 Lg-Nortel Co., Ltd. Predistortion digital linearizer and gain controlling method thereof
FR2824437B1 (fr) * 2001-05-04 2005-06-03 Eads Defence & Security Ntwk Generateur d'un signal radiofrequence module en phase ou frequence et en amplitude, et emetteur l'incorporant
US7068984B2 (en) * 2001-06-15 2006-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for amplification of a communication signal
SE0102885D0 (en) * 2001-08-28 2001-08-28 Ericsson Telefon Ab L M Calibration of an adaptive signal conditioning systern
US7248642B1 (en) * 2002-02-05 2007-07-24 Andrew Corporation Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks
US7139327B2 (en) * 2002-06-10 2006-11-21 Andrew Corporation Digital pre-distortion of input signals for reducing spurious emissions in communication networks
US6882217B1 (en) * 2002-09-27 2005-04-19 3Com Corporation Cubic spline predistortion, algorithm and training, for a wireless LAN system
US6949976B2 (en) * 2002-10-10 2005-09-27 Fujitsu Limited Distortion compensating amplifier device, amplifier system, and wireless base station
JP4091047B2 (ja) * 2002-10-31 2008-05-28 深▲川▼市中▲興▼通▲訊▼股▲分▼有限公司 広帯域プリディストーション線形化の方法およびシステム
SE525221C2 (sv) * 2003-03-25 2004-12-28 Ericsson Telefon Ab L M Förförvrängare för effektförstärkare
US7251293B2 (en) * 2003-06-27 2007-07-31 Andrew Corporation Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US7263136B2 (en) * 2003-07-14 2007-08-28 The Boeing Company Predistortion modulator
US20060116143A1 (en) * 2003-08-13 2006-06-01 Koji Kikushima Distortion generator circuit, pre-distortion circuit, optical signal transmitter using the same, and optical signal transmission system
KR100518456B1 (ko) * 2003-10-10 2005-09-30 학교법인 포항공과대학교 전력 증폭기의 선형화를 위한 디지털 피드백 선형화 장치및 방법
JP4641715B2 (ja) * 2003-11-14 2011-03-02 富士通株式会社 歪補償装置及び無線基地局
US7430248B2 (en) * 2004-01-27 2008-09-30 Crestcom, Inc. Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter
US20050163208A1 (en) * 2004-01-27 2005-07-28 Crestcom, Inc. Equalized signal path with predictive subtraction signal and method therefor
DE602005000014T2 (de) * 2004-01-28 2006-11-23 Ntt Docomo, Inc. Mehrbandvorverzerrer mit Korrekturwertetabellen
US7336725B2 (en) * 2004-03-03 2008-02-26 Powerwave Technologies, Inc. Digital predistortion system and method for high efficiency transmitters
US7113036B2 (en) * 2004-04-15 2006-09-26 Agere Systems Inc. Method and apparatus for adaptive digital predistortion using nonlinear and feedback gain parameters
KR101126401B1 (ko) * 2004-05-11 2012-03-29 삼성전자주식회사 전력 증폭기에 디지털 전치 왜곡 장치 및 방법
US7295618B2 (en) * 2004-06-16 2007-11-13 International Business Machines Corporation Automatic adaptive equalization method and system for high-speed serial transmission link
US7336716B2 (en) * 2004-06-30 2008-02-26 Intel Corporation Power amplifier linearization methods and apparatus using predistortion in the frequency domain
US7515884B2 (en) * 2005-03-02 2009-04-07 Cisco Technology, Inc. Method and system for self-calibrating transmit power
DE102005013880B3 (de) * 2005-03-24 2006-04-20 Infineon Technologies Ag Verfahren zur Vorverzerrung eines Signals und Sendeeinrichtung mit digitaler Vorverzerrung, insbesondere für Mobilfunk

Also Published As

Publication number Publication date
WO2007122457A3 (en) 2008-06-12
US20070249290A1 (en) 2007-10-25
WO2007122457A2 (en) 2007-11-01
EP2011232B1 (de) 2011-08-03
CN101473530A (zh) 2009-07-01
CN101473530B (zh) 2011-11-09
EP2011232A2 (de) 2009-01-07

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