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Encryption at physical layer based on chaotic system and three-dimensional modulation in massive MIMO systems

机译：大规模MIMO系统中基于混沌系统和三维调制的物理层加密

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The development of massive multiple input and multiple output (MIMO) brings various advantages in the fifth generation (5G) wireless communication systems, which can achieve high spectral efficiency and energy efficiency. In this paper, considering the security and energy efficiency in massive MIMO, a physical layer security approach named chaotic antenna-index three-dimensional modulation (CATM) encryption scheme is proposed, which adds an additional dimension to the conventional two-dimensional modulation techniques. For security, the keys generated by chaotic system are used to protect information bits, antenna combination and mapping mode (ACMM). Both analytical and simulation results show that the proposed CATM scheme offers not only considerable security but also higher reliability and energy efficiency than conventional massive MIMO.
机译：大规模多输入多输出（MIMO）的发展在第五代（5G）无线通信系统中带来了各种优势，可以实现高频谱效率和能效。考虑到大规模MIMO中的安全性和能效，提出了一种物理层安全性方法，称为混沌天线索引三维调制（CATM）加密方案，为传统的二维调制技术增加了新的维度。为了安全起见，混沌系统生成的密钥用于保护信息位，天线组合和映射模式（ACMM）。分析和仿真结果均表明，与传统的大规模MIMO相比，所提出的CATM方案不仅提供了可观的安全性，而且还提供了更高的可靠性和能效。

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