In this paper, we employ the unmanned aerial vehicle (UAV) as a flying base station (BS) to offload the data computing tasks from mobile terminal (MT) for saving mobile energy consumption. Our goal is to minimize consumption of the computational tasks at MT by jointly designing the resource partitioning scheme and bit allocation strategy. Specifically, the portion of total bits for local computation at MT is optimized, and the other portion of bits is computed by jointly optimizing the number of bits transmitted in the uplink, the number of bits computed locally at UAV and the number of bits transmitted in the downlink. The formulated problem has been shown in a convex form, which has optimal solutions. Instead of solving original problem using standard convex optimization techniques, we propose a resource partitioning scheme and bit allocation strategy based on dual decomposition, which has been shown in a low computational complexity. Furthermore, the numerical results are provided to demonstrate the superiority of our proposed scheme over the compared benchmarks.


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    Titel :

    Optimal Resource Partitioning and Bit Allocation for UAV-Enabled Mobile Edge Computing


    Beteiligte:
    Hua, Meng (Autor:in) / Wang, Yi (Autor:in) / Zhang, Zhengming (Autor:in) / Li, Chunguo (Autor:in) / Huang, Yongming (Autor:in) / Yang, Luxi (Autor:in)


    Erscheinungsdatum :

    2018-08-01


    Format / Umfang :

    454555 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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