A Crosscorrelation Predistorter using Memory Polynomials

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    Abstract

    Amplification of signals with fluctuating envelopes inevitably leads to distortion because of non-linear behavior of the Power Amplifier (PA). Digital Predistortion can counteract these non-linear effects. In this paper, a novel Digital Predistortion architecture is presented which is based on the calculation of crosscorrelation functions using coarsely quantized signals. The crosscorrelation functions are transformed to the frequency domain and the spectra are used to calculate the coefficients of the predistorter memory polynomial. This method has reduced complexity and slightly improved average performance in comparison with existing schemes.
    Original languageUndefined
    Title of host publication2004 IEEE International Symposium on Circuits and Systems
    Place of Publicationnew york
    PublisherIEEE
    Pages345-348
    Number of pages4
    ISBN (Print)0780382528
    DOIs
    Publication statusPublished - May 2004
    EventIEEE International Symposium on Circuits and Systems, ISCAS 2004 - Vancouver, Canada
    Duration: 23 May 200426 May 2004

    Publication series

    Name
    PublisherIEEE
    Volume3

    Conference

    ConferenceIEEE International Symposium on Circuits and Systems, ISCAS 2004
    Abbreviated titleISCAS
    Country/TerritoryCanada
    CityVancouver
    Period23/05/0426/05/04

    Keywords

    • METIS-221619
    • EWI-2767
    • IR-49360

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