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    Intra-Array Coupling Estimation for MIMO Transceivers Utilizing Blind Over-The-Air Measurements


    Hesami, Sara and Aghdam, Sina Rezaei and Fager, Christian and Eriksson, Thomas and Farrell, Ronan and Dooley, John (2019) Intra-Array Coupling Estimation for MIMO Transceivers Utilizing Blind Over-The-Air Measurements. In: 2019 IEEE MTT-S International Microwave Symposium (IMS). IEEE, pp. 468-471. ISBN 9781728113098

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    Abstract

    A new technique for the estimation of coupling between array elements in MIMO transceivers is presented. The estimation method is founded on subsequent transmission and over-the-air (OTA) reception between the array elements, when the transmitter’s characteristics are unknown. The method enables accurate on-line characterization of the behavior of the array in terms of coupling for a complete system with PAs and antennas connected. The method is validated via OTA measurements on a four-element array in a MIMO transmitter configuration. The results demonstrate that the estimated couplings with the proposed technique are similar to the ones obtained from S-parameter measurements with deviations reflecting the operation with antennas and PAs connected. The proposed intra-array coupling estimation facilitates practical OTA measurement-based modeling and linearization of MIMO transmitters.

    Item Type: Book Section
    Additional Information: Funding: 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. Cite as: S. Hesami, S. R. Aghdam, C. Fager, T. Eriksson, R. Farrell and J. Dooley, "Intra-Array Coupling Estimation for MIMO Transceivers Utilizing Blind Over-The-Air Measurements," 2019 IEEE MTT-S International Microwave Symposium (IMS), Boston, MA, USA, 2019, pp. 468-471, doi: 10.1109/MWSYM.2019.8700777.
    Keywords: MIMO transmitter; mutual coupling; crosstalk; antenna coupling; power amplifier; behavioural modeling;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 14232
    Identification Number: https://doi.org/10.1109/MWSYM.2019.8700777
    Depositing User: Ronan Farrell
    Date Deposited: 23 Mar 2021 16:24
    Publisher: IEEE
    Refereed: Yes
    Funders: Science Foundation Ireland (SFI), European Regional Development Fund
    URI:

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