用于 6G 无线通信系统的高性能 THz 金属轴向模式螺旋天线与优化截顶空心锥形地平面

IF 0.6 Q3 MULTIDISCIPLINARY SCIENCES

Pertanika Journal of Science and Technology Pub Date : 2023-11-24 DOI:10.47836/pjst.32.1.15

Zahraa Raad Mayoof Hajiyat, A. Ismail, A. Sali, M. Hamidon

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引用次数: 0

摘要

太赫兹（THz）频段天线配置工作在 0.1-10 THz 频率范围内，为未来的第六代（6G）无线通信系统提供了稳定的性能。然而，现有的金属轴模螺旋天线设计在 0.5-1 太赫兹范围内的峰值指向性低于 18 dBi，不适合应用于无线通信系统。因此，本研究提出了一种高性能太赫兹金属五匝轴向模式螺旋天线，该天线具有优化的截顶空心锥接地平面，适用于 6G 无线通信系统。在使用高性价比铜（退火）设计出拟议的天线后，通过计算机仿真技术微波工作室（CST MWS）软件的仿真优化了太赫兹轴模螺旋天线的截顶空心锥形地平面，并在分析系统高频结构仿真器（Ansys HFSS）软件中对拟议的太赫兹天线设计进行了验证，以进行公平比较。结果表明，带有优化截顶空心锥接地平面的拟议太赫兹金属轴模螺旋天线的阻抗带宽为 0.46 THz，|S11| ≤ -10 dB 时的分数带宽 (FBW) 为 61.33%，在 0.85 THz 时的最大指向性和实际增益分别为 21.8 dBi 和 21.5 dBi。在 0.5-1 太赫兹范围内，所提出的优化太赫兹天线设计实现了出色的性能，包括 50%以上的 FBW、高于 15.8 dBi 的出色指向性、大于 87% 的辐射效率、圆极化和低剖面螺旋匝数。简而言之，所提出的太赫兹金属轴模螺旋天线采用了优化的截顶空心锥地平面设计，适用于各种太赫兹 6G 无线应用。

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High-performance THz Metallic Axial Mode Helix Antenna with Optimised Truncated Hollow Cone Ground Plane for 6G Wireless Communication System

The Terahertz (THz) band antenna configuration operates in the 0.1–10 THz frequency range and offers a stable performance for future 6th Generation (6G) wireless communication systems. However, the available metallic axial mode helix antenna designs exhibit a peak directivity of lower than 18 dBi within 0.5–1 THz, making it inappropriate to be applied in wireless communication systems. Therefore, this study proposed a high-performance THz metallic five-turn axial mode helix antenna with an optimised truncated hollow cone ground plane for 6G wireless communication systems. Following the creation of the proposed antenna design using cost-effective copper (annealed), the truncated hollow cone ground plane of the THz axial mode helix antenna was optimised via simulation in a Computer Simulation Technology Microwave Studio (CST MWS) software and a verification of the proposed THz antenna design in Analysis System High-Frequency Structure Simulator (Ansys HFSS) software for a fair comparison. Based on the results, the proposed THz metallic axial mode helix antenna with optimised truncated hollow cone ground plane recorded an impedance bandwidth of 0.46 THz, Fractional Bandwidth (FBW) of 61.33% for |S11| ≤ -10 dB, and a maximum directivity and realised gain of 21.8 dBi and 21.5 dBi at 0.85 THz, respectively. Within the 0.5–1 THz, the proposed optimised THz antenna design achieved an outstanding performance, including an FBW of more than 50%, excellent directivity of higher than 15.8 dBi, radiation efficiency of greater than 87%, circular polarisation, and low-profile helix turns. In short, the proposed THz metallic axial mode helix antenna with optimised truncated hollow cone ground plane design is appropriate for various THz 6G wireless applications.

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来源期刊

Pertanika Journal of Science and Technology MULTIDISCIPLINARY SCIENCES-

CiteScore

1.50

自引率

16.70%

发文量

178

期刊介绍： Pertanika Journal of Science and Technology aims to provide a forum for high quality research related to science and engineering research. Areas relevant to the scope of the journal include: bioinformatics, bioscience, biotechnology and bio-molecular sciences, chemistry, computer science, ecology, engineering, engineering design, environmental control and management, mathematics and statistics, medicine and health sciences, nanotechnology, physics, safety and emergency management, and related fields of study.