Non-orthogonal multiple access (NOMA) has been considered as a promising communication technology to enhance spectral efïciency (SE) and support massive connections in fog radio access networks (F-RANs). In this paper, to maximize weighted sum rate while taking co-channel interference into consideration, a joint resource block (RB) and power allocation problem is formulated. Based on the suboptimal scheme with low computational complexity proposed in last work, the optimal algorithm is proposed to provide an upper bound of the system performance. In particular, monotonic optimization is applied and an outer polyblock approximation algorithm is proposed to get the globally optimal solution. Simulation results demonstrate the performance of proposed algorithms and verify the superiority of NOMA-enabled F-RANs over OMA scenarios.


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    Titel :

    Joint Resource Block and Power Allocation in NOMA Based Fog Radio Access Networks


    Beteiligte:
    Liu, Binghong (Autor:in) / Peng, Mugen (Autor:in) / Liu, Yaqiong (Autor:in)


    Erscheinungsdatum :

    2019-09-01


    Format / Umfang :

    359223 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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