A heterogeneous medium access control (MAC) scheme (with both scheduled and random communications) is proposed for airborne networks. These networks have a hierarchical topology with a small number of powerful aircraft nodes with multibeam antennas and long-distance links at the higher level, and high-density unmanned aerial vehicle (UAV) nodes with single-beam directional antennas at the lower level. Our proposed MAC scheme has the following three parts: First, multibeam, long-distance MAC for aircraft to aircraft links: a dynamic, scheduled MAC is proposed to take advantage of the multibeam features to achieve high-throughput transmissions, and the beam locking/synchronization issues are solved; second, uplink MAC for UAV to aircraft communication: conventional IEEE 802.11n MAC is enhanced with fame aggregation and compressive-sensing-based request polling; and third, MAC for UAV to UAV links: IEEE 802.11e DCF MAC is enhanced through parameter adjustment for channel access. Our simulation results show the significant performance improvement over conventional MAC protocols.


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    Titel :

    Systematic Medium Access Control in Hierarchical Airborne Networks With Multibeam and Single-Beam Antennas


    Beteiligte:
    Li, Xin (Autor:in) / Hu, Fei (Autor:in) / Qi, Ji (Autor:in) / Kumar, Sunil (Autor:in)


    Erscheinungsdatum :

    2019-04-01


    Format / Umfang :

    5482607 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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