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Utilizing OAM in Terahertz Frequency Band to Improve Transmission Capacity

机译：利用太赫兹频段抛光频段以提高传输容量

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摘要

As one of the potential 6G technologies, terahertz positively affects the data rate, supports ultra-dense connection, and realizes low-latency transmission. How to make better use of the terahertz frequency is one focus of the future 6G research. Moreover, orbital angular momentum (OAM) is promised to effectively increase the system capacity with reduced hardware complexity. The application of OAM in the terahertz frequency band is investigated in this paper, giving the pros and cons. First, the characteristics of the terahertz channel are analyzed, and the feasibility of applying terahertz OAM is confirmed. Then, the investigation of terahertz OAM proves that working at terahertz frequency can effectively solve the beam divergence, and a novel receiving antenna design is proposed to reduce the receiving aperture size further. Finally, the capacity characteristics of OAM and MIMO in the terahertz frequency band are analyzed to prove the effectiveness and the necessity of applying terahertz OAM.
机译：作为潜在的6G技术之一，Terahertz积极影响数据速率，支持超密集的连接，并实现低延迟传输。如何更好地利用太赫兹频率是未来6G研究的一个重点。此外，承诺轨道角动量（OAM）有效地提高了硬件复杂性的减少的系统能力。在本文中研究了OAM在太赫兹频段中的应用，提供优点和缺点。首先，分析了太赫兹通道的特性，确认了施用太赫兹OAM的可行性。然后，在太赫兹频率工作的情况下，在太赫兹频率工作的证明可以有效地解决光束发散，并且提出了一种新颖的接收天线设计以进一步降低接收孔径尺寸。最后，分析了太赫兹频带中OAM和MIMO的容量特征，以证明施用太赫兹OAM的有效性和必要性。

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