EP2118999A4 - Power amplifier time-delay invariant predistortion methods and apparatus - Google Patents

Power amplifier time-delay invariant predistortion methods and apparatus

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Withdrawn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)
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Withdrawn legal-status Critical Current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

    • 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
    • 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
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/57—Separate feedback of real and complex signals being present
    • 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
    • H03F2201/3224—Predistortion being done for compensating memory effects
    • 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
    • H03F2201/3233—Adaptive 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 Power amplifier time-delay invariant predistortion methods and apparatus 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 Power amplifier time-delay invariant predistortion methods and apparatus

Country Status (3)

Country Link
EP (1) EP2118999A4 (en)
CN (2) CN101606315B (en)
WO (1) WO2008155610A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
CN102017553B (en) 2006-12-26 2014-10-15 大力系统有限公司 Method and system for baseband predistortion linearization in multi-channel wideband communication systems
CN105208083B (en) 2010-09-14 2018-09-21 大力系统有限公司 System for sending signal and distributing antenna system

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 (en) * 1998-08-06 2002-04-17 윤종용 Apparatus and method for linearizing power amplification using predistortion and feedfoward method in rf communicaiton
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
US7109792B2 (en) * 2003-09-17 2006-09-19 Andrew Corporation Table-based pre-distortion for amplifier systems
CN101479956B (en) * 2006-04-28 2013-07-31 大力系统有限公司 High efficiency linearization power amplifier for wireless communication

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

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20090825

AK Designated contracting states

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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

A4 Supplementary search report drawn up and despatched

Effective date: 20091230

RIC1 Information provided on ipc code assigned before grant

Ipc: H03F 1/32 20060101AFI20090908BHEP

Ipc: H04B 7/00 20060101ALI20091222BHEP

17Q First examination report despatched

Effective date: 20100413

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20101026