AI-Enhanced Cooperative Spectrum Sensing for Non-Orthogonal Multiple Access
AI-Enhanced Cooperative Spectrum Sensing for Non-Orthogonal Multiple Access
复制标题
用于非正交多址的人工智能增强型协作频谱感知
DOI:
10.1109/mnet.001.1900305
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发表时间:
2020-04
影响因子:
12.9
通讯作者:
N. Kato
中科院分区:
文献类型:
--
作者:
Z. Shi;W. Gao;S. Zhang;Jiajia Liu;N. Kato
Many state-of-the-art techniques are leveraged to improve spectral efficiency, of which cognitive radio and multiple access are the most promising ones. In cognitive radio communications, spectrum sensing is the most fundamental part, whose accuracy has a significant impact on spectrum utilization. Furthermore, due to the complex radio environment, multiple-user CSS has been proposed as a refined solution. NOMA, as an essential technique in 5G, holds great promise in improving spectral efficiency and carrying massive connectivity. In this article, we propose a novel CSS framework for NOMA to further improve the spectral efficiency. Considering the complicated physical layer implementations of NOMA, we introduce an AI based solution to cooperatively sense the spectrum with a nice accuracy rate and acceptable complexity. Numerical results validate the effectiveness of our proposed solution.
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DOI:
10.1109/lcomm.2016.2613858
发表时间:
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期刊:
IEEE Communications Letters
影响因子:
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