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用于太赫兹通信的石墨烯实现的极化空间多样性和多重化MIMO表面

Jianzhou Huang^1,2, Xudong Wu^1,2, Chenjie Xiong^1,2

¹School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China.

Nanophotonics (Berlin, Germany)

|September 2, 2025

概括

这项研究引入了基于石墨烯的极化空间多样性和多重化MIMO表面 (PDM-MIMOS) 进行太赫兹 (THz) 通信. 这种新型设备提高了通讯质量和数据速率,

科学领域:

物理
电气工程
材料科学

背景情况:

特拉赫兹 (THz) 频段为高数据速率,低延迟通信提供了丰富的频谱.
多输入多输出 (MIMO) 对于THz通信至关重要,需要同步和非相关的通道.
现有的THz通信系统在频道同步和交叉通话方面面临挑战.

研究的目的:

提出并展示基于石墨烯的极化空间多样性和多重化MIMO表面 (PDM-MIMOS).
为了实现双极化THz通道的同步调制和无杂音接收.
提高THz通信系统的通信质量,数据速率和可靠性.

主要方法:

使用石墨烯设计和制造用于PDM-MIMOS的2x2超表面阵列.
采用PDM-MIMOS的连续THz波通信系统的实施.
对调制切断频率,空间多样性和多重复合能力的实验性评估.
在恶劣天气条件下对THz通信和可见光通信进行比较分析.

主要成果:

PDM-MIMOS可实现双极化频道的同步调制,截止频率高达30kHz.
展示了空间多样性和多重化,提高了通信质量和数据速率.
使用PDM-MIMOS的THz通信在恶劣天气中显示出比可见光通信高19.4倍的可靠性.

结论:

提议的PDM-MIMOS可以有效地提高THz通信性能.
基于石墨烯的超表面为紧的双极化THz调节器提供了可行的解决方案.
这项技术具有THz通信,检测和成像应用的巨大潜力.

关键词:

石墨烯在地表面多输入多输出 (MIMO)太赫兹通信

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