The transmit energy efficiency of long-range wireless communications from battery-powered unmanned systems over packet erasure channels is analyzed for space- and polarization-based multiple-input multiple-output (MIMO) architectures with and without linear precoding. Theoretical and emulation results generated from a hybrid hardware/software test bed indicate that when packet erasures are considered, 4 × 4 MIMO architectures with precoding can offer significant energy efficiency gains relative to nonprecoded MIMO systems. In the lower signal-to-noise ratio regime, we find that operating points exist for the different MIMO architectures that provide near maximum spectral efficiency while operating at a local minimum in energy consumption. At these operating points, transceiver operating times are determined for a range of battery capacities.


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    Titel :

    Transmit energy-efficiency for long-range wireless communications from battery-powered unmanned systems


    Beteiligte:
    Jun Chen (Autor:in) / Pratt, Thomas G. (Autor:in)


    Erscheinungsdatum :

    01.10.2015


    Format / Umfang :

    2389855 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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