The explosion of mobile data traffic has an adverse effect on communication delay and system performance in 5G networks. Mobile Edge Computing(MEC) is an emerging technology has become an essential solution, which provides services within the close proximity of users. In this paper, we present a edge caching structure for MEC and propose a CMAC(Cooperative Multicast-Aware Caching) strategy to reduce the average latency of delivering content. The strategy is based on the characteristics of multicast and cooperation between BSs. In this strategy, we pay more attention to the users' QoE and the content-access latency. The cooperative caching scheme for multicast is more important in improving the cache hit ratio and efficiency of content delivery. We also formulate the optimization problem in using CMAC strategy and introduce an algorithm with performance guarantees. The relevant trace-driven simulations reveal that CMAC yields up to 13\% decrease in the average content- access latency compared to MAC(Multicast-Aware Caching) scheme with the same total cache capacity.


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    Titel :

    Cooperate Caching with Multicast for Mobile Edge Computing in 5G Networks


    Beteiligte:
    Huang, Xiangyue (Autor:in) / Zhao, Zhifeng (Autor:in) / Zhang, Honggang (Autor:in)


    Erscheinungsdatum :

    2017-06-01


    Format / Umfang :

    246968 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch