EP2118999A4 - TIME INVARIENT FORECASTING METHOD AND DEVICE FOR POWER AMPLIFIERS - Google Patents

TIME INVARIENT FORECASTING METHOD AND DEVICE FOR POWER AMPLIFIERS

Info

Publication number
EP2118999A4
EP2118999A4 EP08806836A EP08806836A EP2118999A4 EP 2118999 A4 EP2118999 A4 EP 2118999A4 EP 08806836 A EP08806836 A EP 08806836A EP 08806836 A EP08806836 A EP 08806836A EP 2118999 A4 EP2118999 A4 EP 2118999A4
Authority
EP
European Patent Office
Prior art keywords
power amplifier
amplifier time
predistortion methods
delay invariant
delay
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Withdrawn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
EP08806836A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2118999A2 (en
Inventor
Dali Yang
Jia Yang
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.)
Dali Systems Co Ltd
Original Assignee
Dali Systems Co Ltd
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 Dali Systems Co Ltd filed Critical Dali Systems Co Ltd
Publication of EP2118999A2 publication Critical patent/EP2118999A2/en
Publication of EP2118999A4 publication Critical patent/EP2118999A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294Acting on the real and imaginary components of the input signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/336A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/451Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/57Separate feedback of real and complex signals being present
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2201/00Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3224Predistortion being done for compensating memory effects
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2201/00Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
EP08806836A 2007-01-26 2008-01-28 TIME INVARIENT FORECASTING METHOD AND DEVICE FOR POWER AMPLIFIERS Withdrawn EP2118999A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89774607P 2007-01-26 2007-01-26
US89831207P 2007-01-29 2007-01-29
PCT/IB2008/000996 WO2008155610A2 (en) 2007-01-26 2008-01-28 Power amplifier time-delay invariant predistortion methods and apparatus

Publications (2)

Publication Number Publication Date
EP2118999A2 EP2118999A2 (en) 2009-11-18
EP2118999A4 true EP2118999A4 (en) 2010-01-27

Family

ID=40156746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08806836A Withdrawn EP2118999A4 (en) 2007-01-26 2008-01-28 TIME INVARIENT FORECASTING METHOD AND DEVICE FOR POWER AMPLIFIERS

Country Status (3)

Country Link
EP (1) EP2118999A4 (zh)
CN (2) CN103997301B (zh)
WO (1) WO2008155610A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
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
CN105141513B (zh) 2010-09-14 2018-12-14 大力系统有限公司 操作分布式天线系统的方法和在该系统中进行通信的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6998909B1 (en) * 2004-02-17 2006-02-14 Altera Corporation Method to compensate for memory effect in lookup table based digital predistorters
US20060046665A1 (en) * 2002-05-01 2006-03-02 Dali Yang System and method for digital memorized predistortion for wireless communication

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959499A (en) * 1997-09-30 1999-09-28 Motorola, Inc. Predistortion system and method using analog feedback loop for look-up table training
KR100326176B1 (ko) * 1998-08-06 2002-04-17 윤종용 이동통신시스템의전력증폭장치및방법
US7035345B2 (en) * 2001-06-08 2006-04-25 Polyvalor S.E.C. Adaptive predistortion device and method using digital receiver
US6657510B2 (en) * 2001-11-27 2003-12-02 Harris Corporation Corrective phase quadrature modulator system and method
US8064850B2 (en) * 2002-05-01 2011-11-22 Dali Systems Co., Ltd. High efficiency linearization power amplifier for wireless communication
US7109792B2 (en) * 2003-09-17 2006-09-19 Andrew Corporation Table-based pre-distortion for amplifier systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060046665A1 (en) * 2002-05-01 2006-03-02 Dali Yang System and method for digital memorized predistortion for wireless communication
US6998909B1 (en) * 2004-02-17 2006-02-14 Altera Corporation Method to compensate for memory effect in lookup table based digital predistorters

Also Published As

Publication number Publication date
CN103997301A (zh) 2014-08-20
CN101606315B (zh) 2014-07-02
EP2118999A2 (en) 2009-11-18
WO2008155610A2 (en) 2008-12-24
CN101606315A (zh) 2009-12-16
CN103997301B (zh) 2018-09-28
WO2008155610A3 (en) 2009-04-30

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Legal Events

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

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Effective date: 20091230

RIC1 Information provided on ipc code assigned before grant

Ipc: H03F 1/32 20060101AFI20090908BHEP

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Effective date: 20101026