The upcoming Intelligent Transportation System (ITS) supported by sixth generation (6G) communication technologies is expected to face the great challenges of spectrum scarcity, large-scale connectivity, ultra-low latency, and various security threats. To mitigate these challenges and implement the ITS in practice, we propose an overlay cognitive ambient backscatter communication non-orthogonal multiple access (ABCom-NOMA) network for the ITS. Specifically, we elaborate on the secrecy performance the overlay cognitive ABCom-NOMA based on ITS in the presence of an eavesdropping vehicle by deriving the secrecy outage probability (SOP) between the primary network, overlay secondary network, and the eavesdropping vehicle of the considered networks, respectively. For comparison, the secrecy performance of secondary receiving vehicles is taken into account, and a series of numerical simulations by Monte-Carlo methods are carried out to investigate the secrecy performance. From the numerical results yielded by the simulations, we can conclude: 1) The secrecy performance of the proposed the overlay secondary network is superior to the one of the primary network; 2) The increasing of the power allocation factor yields a positive effect on the secrecy performance of the primary receiving vehicles but a negative effect on that of the secondary receiving vehicles.


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    Titel :

    Overlay Cognitive ABCom-NOMA-Based ITS: An In-Depth Secrecy Analysis


    Beteiligte:
    Zheng, Yike (Autor:in) / Li, Xingwang (Autor:in) / Zhang, Hui (Autor:in) / Alshehri, Mohammad Dahman (Autor:in) / Dang, Shuping (Autor:in) / Huang, Gaojian (Autor:in) / Zhang, Changsen (Autor:in)


    Erscheinungsdatum :

    01.02.2023


    Format / Umfang :

    1601803 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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