Contribution

This topic contains 1 reply, has 2 voices, and was last updated by  Presenter 2 years, 10 months ago.

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  • #260

    Participant
    Participant

    Hi,

    from the presentation, your contribution did not become clear to me. Can you please explain in further detail.

    Best regards,
    Martin.

    • This topic was modified 2 years, 10 months ago by  admin.
    • This topic was modified 2 years, 10 months ago by  admin.
    #312

    Presenter
    Participant

    Hello,

    in our work we investigate MU-MIMO transmissions in the LTE-A uplink.

    First we present a post-equalization SINR equation based on the introduced system model which is exploited for link adaptation. Further we show that in this SC-FDM system an MMSE equalizer leads to inter-symbol interference compared to the ZF equalizer, which is obvious in the context of our matrix system model.

    In terms of scheduing we show that, even when a fairly simple scheduling algorithm, such as the Semi-orthogonal User Selection, is used and the arithmetic average of the frequency selective MIMO channel is utilized, significant scheduling gain is obtained.

    greetings
    Lukas & Stefan

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