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    Digital predistorter in crosstalk compensation of MIMO transmitters


    Hesami, Sara and Dooley, John and Wang, Ziming and Farrell, Ronan (2016) Digital predistorter in crosstalk compensation of MIMO transmitters. In: 27th Irish Signals and Systems Conference (ISSC) 2016. IEEE, pp. 1-5. ISBN 9781509034093

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    Abstract

    Due to the proximity of transmit paths Multiple-input multiple-output (MIMO) systems are vulnerable to crosstalk effects. This paper presents a comparison between direct learning architecture (DLA) and indirect learning architecture (ILA) for cancellation of crosstalk through digital pre-distortion. A theoretical background detailing the reasons for the improved performance of the DLA method is given. Measured results are presented showing the benefits of the DLA estimation method compared to the ILA estimation method in the presence of antenna crosstalk.

    Item Type: Book Section
    Additional Information: This publication has emanated from research supported in part by a research grant from Science Foundation Ireland (SFI) and is co-funded under the European Regional Development Fund under Grant Number 13/RC/2077.
    Keywords: Digital predistortion; multiple input multiple output (MIMO); linear crosstalk; antenna crosstalk; direct learning; power amplifiers;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 10300
    Identification Number: https://doi.org/10.1109/ISSC.2016.7528458
    Depositing User: Dr. Ronan Farrell
    Date Deposited: 10 Dec 2018 16:02
    Publisher: IEEE
    Refereed: Yes
    Funders: Science Foundation Ireland (SFI)
    URI:

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