On the optimal user grouping in NOMA system technology*

被引：0
作者：
Masaracchia A. [1 ]
Ha D.-B. [2 ]
Le N.-P. [2 ]
机构：
[1] Queens University Belfast, Belfast
[2] Duy Tan University, Da Nang
来源：
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems | 2019年 / 6卷 / 20期
关键词：
Algorithms and Protocols; Communication networks; Intelligent systems; Optimization; Survey and review;
D O I：
10.4108/eai.13-7-2018.159802
中图分类号：
学科分类号：
摘要：
This paper provides a state-of-art analysis of the most relevant studies on optimal user-aggregation strategies for non-orthogonal multiple access (NOMA) technology. The main ideas behind are i) to highlight how, in addition to the adoption of an optimal power allocation scheme, an optimal user-aggregation strategy represents an important key factor for improving NOMA system performance, and ii) to provide an exhaustive survey of the most relevant studies which can serve as useful starting point for the definition of new channel state-aware user-aggregation strategies for NOMA systems which, at the time of writing, represents a research field that still remains to be investigated more in depth. A detailed and complete analysis, which permits to point out the need to guarantee a certain relationship between users’ channel gain, is provided for each cited work. © 2019. Antonino Masaracchia et al., licensed to EAI. This is an open access article distributed under the terms of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/), which permits unlimited use, distribution and reproduction in any medium so long as the original work is properly cited.
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