Cooperative automated driving applications require reliable and low- latency exchange of periodic control information among vehicles in proximity. Performing well at low channel loads, vehicular ad-hoc technologies suffer from performance degradation caused by channel congestion. We propose to apply Multi-RAT diversity to improve the reliability of transmissions by increasing robustness against channel congestion. Multi-RAT diversity is achieved by the redundant use of multiple access technologies in parallel. In this paper, we investigate on the potential reliability improvement by combing IEEE 802.11p and LTE-D2D mode 2. Besides explaining the basic effects and main design aspects, we quantify the potential gain in an example highway platooning scenario based on simulations and concrete requirements. The results show a high potential in the redundant use of IEEE 802.11p and PC5-based ad-hoc technologies. Significant increases in transmission range of up to four times, especially at high vehicle densities and under strict reliability requirements, are achieved.


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    Titel :

    Exploiting Multi-RAT Diversity in Vehicular Ad-Hoc Networks to Improve Reliability of Cooperative Automated Driving Applications


    Beteiligte:
    Jacob, Richard (Autor:in) / Anwar, Waqar (Autor:in) / Fettweis, Gerhard (Autor:in) / Pohlmann, Joshwa (Autor:in)


    Erscheinungsdatum :

    2019-09-01


    Format / Umfang :

    503593 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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