Energy-efficient game-theoretical random access for M2M communications in overlapped cellular networks

Zhenyu Zhou, Junhao Feng, Yunjian Jia, Shahid Mumtaz, Kazi Mohammed Saidul Huq, Jonathan Rodriguez, Di Zhang

    研究成果: Article

    3 引用 (Scopus)

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    The unprecedented growth of machine-to-machine (M2M) devices has brought a heavy burden to traditional cellular networks. In this paper, we focus on the overload problem caused by massive connections of M2M devices in overlapped cellular networks. We formulate the joint base station (BS) selection and power allocation optimization problem for each M2M device as a noncooperative access game. The utility function of each M2M device is described as the success probability of random access weighted by the energy efficiency (EE). We propose an iterative energy-efficient game-theoretical random access algorithm, in which each M2M device searches its optimal strategies in turn until no M2M device is able to improve its individual utility with a unilateral deviation. Numerical results demonstrate that significant performance enhancements on both the delay and energy consumption can be achieved simultaneously.

    元の言語English
    ページ(範囲)1339-1351
    ページ数13
    ジャーナルComputer Networks
    129
    DOI
    出版物ステータスPublished - 2017 12 24

    ASJC Scopus subject areas

    • Computer Networks and Communications

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