In underlay D2D communications, cellular users share resource with D2D users, which may cause severe interference. When cellular cells have light loads, overlay D2D communications can be applied to avoid interference. In this paper, we adopted overlay D2D mode under which D2D resource is orthogonal to cellular user resource. We proposed two location-based D2D resource allocation algorithms for V2V (vehicle-to-vehicle) broadcast service, separately Location-based Centralized Sched-uling Algorithm (LB-CSA) and Location-based Distributed Scheduling Algorithm (LB-DSA). Further, we researched trans-mission accuracy, time delay and resource utilization perfor-mances of the algorithms. Results show that LB-DSA has rela-tively lower demand on communication facilities, while LB-CSA performs slightly better in performances of time delay, transmis-sion accuracy and resource reuse. Both of the two algorithms can realize resource spatial reuse and improve resource utilization efficiency, meanwhile controlling packet error rate at an ac- ceptable level.


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    Titel :

    Research on Overlay D2D Resource Scheduling Algorithms for V2V Broadcast Service


    Beteiligte:
    Zhang, Xiguang (Autor:in) / Shang, Yong (Autor:in) / Li, Xiaobo (Autor:in) / Fang, Jiayi (Autor:in)


    Erscheinungsdatum :

    2016-09-01


    Format / Umfang :

    404755 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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