Recently, the third generation partnership project (3GPP) has specified a new radio access network protocol, called narrowband IoT (NB-IoT) which is a low-power wide-area IoT network. In NB-IoT systems, the number of connected IoT devices will be explosively increased and how to efficiently use radio resources of NB-IoT systems to achieve massive connections is an important issue. However, since the downlink radio access strategy designed for NB-IoT systems needs to be performed in one dimension (i.e., time domain), we observe that inappropriate scheduling decisions will result in radio resource waste. In this paper, we introduce the NB-IoT radio access strategy in detail and study the NB-IoT scheduling problem. The objective is to minimize the used radio resource while each device''s data requirement can be satisfied. Then, we formulate the NB-IoT scheduling problem and propose an efficient algorithm. The simulation results evaluate the efficacy of the proposed algorithm and provide useful insights into the scheduling design for NB-IoT systems.


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    Titel :

    Downlink Scheduling for Narrowband Internet of Things (NB-IoT) Systems


    Beteiligte:
    Yu, Ya-Ju (Autor:in) / Tseng, Sheng-Chia (Autor:in)


    Erscheinungsdatum :

    01.06.2018


    Format / Umfang :

    239636 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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