In this paper, we present a new beam selection approach for the beamspace channel estimation (CE) in 64 antennas Massive Multiple-Input Multiple-Output (MIMO) receiver. Usually, the beamspace CE is implemented via digital transformation of antenna signal to a priori selected sub-space of discrete Fourier transform (DFT) directed towards propagation channel taps. This results in less complexity of CE and MIMO detector units. We propose a new data-based sub-space selection method, which outperforms the DFT-based beam selection thanks to employing prior knowledge of channel tap distribution in the spatial domain. Simulation results are presented for the non-line-of-sight models of the 5G QuaDRiGa 2.0 channel.


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    Titel :

    Data-Driven Beams Selection for Beamspace Channel Estimation in Massive MIMO


    Beteiligte:
    Bychkov, Roman (Autor:in) / Osinsky, Alexander (Autor:in) / Ivanov, Andrey (Autor:in) / Yarotsky, Dmitry (Autor:in)


    Erscheinungsdatum :

    2021-04-01


    Format / Umfang :

    2511540 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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