On the Resource Allocation of Hierarchical NOMA for Fog-RAN with Energy Harvesting

V. Papanikolaou, Nikos A. Mitsiou, P. Diamantoulakis, S. Goudos, G. Karagiannidis
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Abstract

In this paper, we introduce a multiple access protocol, termed hierarchical non-orthogonal multiple access (HiNOMA), optimized for fog-radio access networks (F-RANs). Resource allocation optimization is deemed critical in order to guarantee the users’ fairness in the network, while energy efficiency can be increased through energy harvesting (EH) at the user equipment (UE) nodes. Therefore, the HiNOMA protocol with energy harvesting capabilities is examined for F-RANs, leading to the optimization of the proportional fairness metric. Finally, numerical results reveal the effectiveness of the joint design and the interesting trade-off between harvested power and achievable rate in the case of F-RAN.
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带能量收集的Fog-RAN分层NOMA资源分配研究
在本文中,我们介绍了一个多址协议,称为分层非正交多址(HiNOMA),优化雾无线电接入网(f - ran)。为了保证用户在网络中的公平性,优化资源分配至关重要,而在用户设备(UE)节点上通过能量收集(EH)可以提高能源效率。因此,对具有能量收集能力的HiNOMA协议进行了f - ran测试,从而优化了比例公平度量。最后,数值结果显示了联合设计的有效性,以及在F-RAN情况下收获功率和可达速率之间的有趣权衡。
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