This paper investigates a multiuser mobile edge computing system under interference channels, where mobile users can offload their latency-sensitive (computation-intensive) tasks to the mobile edge server via a base station (BS). In this work, we seek to jointly optimize the user selection indicators for offloading and the computation resources, as well as the transmit power level of the offloading users in order to minimize the system energy consumption under latency-sensitive, computation and transmit power budget, transmission quality, and user selection constraints. The proposed optimization problem is nonconvex and highly coupled, which is difficult to solve. By exploiting binary relaxation and introducing auxiliary variables, we first convert this problem into a more tractable form. We then propose a concave-convex procedure (CCCP) based algorithm to obtain the resulting problem. Furthermore, a simplified algorithm is proposed to reduce the computational complexity. Simulation results are proposed to verify the proposed algorithms.


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    Title :

    Energy-Efficient Resource Allocation for Latency-Sensitive Mobile Edge Computing


    Contributors:
    Chen, Xihan (author) / Cai, Yunlong (author) / Shi, Qingjiang (author) / Zhao, Minjian (author) / Yu, Guanding (author)


    Publication date :

    2018-08-01


    Size :

    321283 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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