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AU2001228680A1 - Adaptive controller - Google Patents

Adaptive controller

Info

Publication number
AU2001228680A1
AU2001228680A1 AU2001228680A AU2868001A AU2001228680A1 AU 2001228680 A1 AU2001228680 A1 AU 2001228680A1 AU 2001228680 A AU2001228680 A AU 2001228680A AU 2868001 A AU2868001 A AU 2868001A AU 2001228680 A1 AU2001228680 A1 AU 2001228680A1
Authority
AU
Australia
Prior art keywords
adaptive controller
adaptive
controller
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.)
Abandoned
Application number
AU2001228680A
Inventor
Kevin Neil Browne
Steven Richard Ring
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.)
Wireless Systems International Ltd
Original Assignee
Wireless Systems International 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 Wireless Systems International Ltd filed Critical Wireless Systems International Ltd
Publication of AU2001228680A1 publication Critical patent/AU2001228680A1/en
Abandoned 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AU2001228680A 2000-01-31 2001-01-29 Adaptive controller Abandoned AU2001228680A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0002199 2000-01-31
GB0002199A GB2358748A (en) 2000-01-31 2000-01-31 An arrangement in a predistortion or feedforward linearizer for an amplifier in which I and Q components are adjusted to achieve a desired phase and amplitude
PCT/GB2001/000355 WO2001058011A2 (en) 2000-01-31 2001-01-29 Adaptive controller

Publications (1)

Publication Number Publication Date
AU2001228680A1 true AU2001228680A1 (en) 2001-08-14

Family

ID=9884680

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001228680A Abandoned AU2001228680A1 (en) 2000-01-31 2001-01-29 Adaptive controller

Country Status (4)

Country Link
US (1) US20030132802A1 (en)
AU (1) AU2001228680A1 (en)
GB (1) GB2358748A (en)
WO (1) WO2001058011A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008052172B4 (en) 2008-10-17 2014-01-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for generating a correction signal
US20100271123A1 (en) * 2009-04-27 2010-10-28 Qualcomm Incorporated Adaptive digital predistortion of complex modulated waveform using localized peak feedback from the output of a power amplifier
US8737526B2 (en) 2010-06-30 2014-05-27 Qualcomm Incorporated Predistortion of complex modulated waveform
US8964821B2 (en) 2011-10-14 2015-02-24 Qualcomm Incorporated Shared feedback for adaptive transmitter pre-distortion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453133A (en) * 1982-04-05 1984-06-05 Bell Telephone Laboratories, Incorporated Active predistorter for linearity compensation
US5023565A (en) * 1990-01-26 1991-06-11 At&T Bell Laboratories Linear amplifier with automatic adjustment of feed forward loop gain and phase
US5193224A (en) * 1991-04-24 1993-03-09 Northern Telecom Limited Adaptive phase control for a power amplifier predistorter
IT1265271B1 (en) * 1993-12-14 1996-10-31 Alcatel Italia BASEBAND PREDISTRITORTION SYSTEM FOR THE ADAPTIVE LINEARIZATION OF POWER AMPLIFIERS
JP2967699B2 (en) * 1995-03-06 1999-10-25 日本電気株式会社 Transmission device
KR100217416B1 (en) * 1995-11-16 1999-09-01 윤종용 Linear amplifier and method thereof
GB2335812B (en) * 1998-03-06 2000-03-22 Wireless Systems Int Ltd A predistorter
US6028477A (en) * 1998-04-08 2000-02-22 Powerwave Technologies, Inc. Adaptive biasing in a power amplifier

Also Published As

Publication number Publication date
WO2001058011A3 (en) 2002-03-14
GB2358748A (en) 2001-08-01
WO2001058011A2 (en) 2001-08-09
GB0002199D0 (en) 2000-03-22
US20030132802A1 (en) 2003-07-17

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