EP2118999A4 - Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance - Google Patents

Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance

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Withdrawn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)
Other versions
EP2118999A2 (fr
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/fr
Publication of EP2118999A4 publication Critical patent/EP2118999A4/fr
Withdrawn legal-status Critical Current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 Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance Withdrawn EP2118999A4 (fr)

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 (fr) 2007-01-26 2008-01-28 Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance

Publications (2)

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

Family

ID=40156746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08806836A Withdrawn EP2118999A4 (fr) 2007-01-26 2008-01-28 Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance

Country Status (3)

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

Families Citing this family (5)

* 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
CN102017553B (zh) 2006-12-26 2014-10-15 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
CN103597807B (zh) 2010-09-14 2015-09-30 大理系统有限公司 远程可重新配置的分布式天线系统和方法
CN110324013B (zh) * 2018-03-23 2024-09-24 中兴通讯股份有限公司 补偿长时记忆效应的方法、装置及设备

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
US7109792B2 (en) * 2003-09-17 2006-09-19 Andrew Corporation Table-based pre-distortion for amplifier systems
CN101479956B (zh) * 2006-04-28 2013-07-31 大力系统有限公司 用于无线通信的高效率线性化功率放大器

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

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RIC1 Information provided on ipc code assigned before grant

Ipc: H03F 1/32 20060101AFI20090908BHEP

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Effective date: 20100413

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Effective date: 20101026