为第五代无线通信系统提供高增益和高隔离度的 SIW 多输入多输出天线

IF 0.8 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Frequenz Pub Date : 2024-07-27 DOI:10.1515/freq-2023-0440

Mohit Pant, Leeladhar Malviya

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引用次数: 0

摘要

毫米波第五代无线系统的进一步发展及其在我们生活中的应用具有巨大的可能性，将使人类的生活变得更加简单和快捷。第五代无线通信为不久的将来的发展开辟了新的可能性。高数据速率、低延迟和巨大的带宽是最基本的因素。这些因素是实现优质医疗保健、智能教育系统以及快速高效的能源分配的核心。考虑到上述优点，5G 无线系统主要通过耦合最小的高增益多输入多输出天线来实现。另一方面，传统波导元件与平面电路的集成是一个难题。SIW 为滤波器、天线和耦合器等基于波导的器件提供了平面替代品，从而解决了这一问题。与传统的微带天线相比，SIW 天线具有干扰小、辐射损耗低、隔离度高和屏蔽性能出色等特点。拟议的 SISO SIW 天线增益为 9.05 dBi，辐射效率为 87.54%。-10 dB 阻抗带宽为 27.79-28.19 GHz。SIW MIMO 天线的增益为 9.05 dBi，辐射效率为 81%。天线的隔离度为 52 dB，28 GHz 时的 ECC 为 0.65 × 10-7。对于高斯和各向同性介质，拟议的 SIW MIMO 天线的 MEG 低于 -3 至 -5dB。在工作频段内，拟议 MIMO 天线的 CCL 为 0.29-0.36 bits/s/Hz。本文介绍了一种高增益、高隔离度的基底集成波导（SIW）MIMO 天线，该天线采用正交分集技术提高辐射元件之间的隔离度。所设计的 MIMO 天线工作在 28 GHz 频段（27.42-28.79 GHz），该频段属于用于 5G 无线通信的 n261（FR2 5G-新无线电频段）频段。

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SIW MIMO antenna with high gain and isolation for fifth generation wireless communication systems

The possibilities for further development of mmWave fifth-generation wireless systems and their deployment in our lives are immense and will make human life simpler and faster. Fifth-generation wireless communication is opening up new possibilities for development in the near future. High data rates, low latency, and enormous bandwidth are the most essential factors. These factors are at the heart of making quality healthcare, smart education systems, and the fast and efficient distribution of energy. In account of the aforementioned benefits, 5G wireless systems are primarily made possible by high gain MIMO antenna with minimal coupling. The integration of traditional wave-guide components with planar circuits, on the other hand, is a difficult issue. SIW solves this problem by providing planar alternatives for waveguide-based devices like filters, antennas, and couplers. The SIW antenna has less interference, low radiation loss, excellent isolation, and outstanding shielding properties as compared with the conventional microstrip antenna. The proposed SISO SIW antenna has gain of 9.05 dBi with 87.54 % radiation efficiency. The −10 dB impedance bandwidth is 27.79–28.19 GHz. The SIW MIMO antenna has gain of 9.05 dBi with 81 % radiation efficiency. The antenna has an isolation 52 dB, and an ECC is 0.65 × 10−7 at 28 GHz. The proposed SIW MIMO antenna’s MEG lies below −3 to −5 dB for Gaussian and isotropic medium. The CCL for the proposed MIMO antenna is 0.29–0.36 bits/s/Hz in the operating band. This article presents a high-gain and high-isolation substrate integrated waveguide (SIW) MIMO antenna using orthogonal diversity for increasing isolation between the radiating elements. The designed MIMO antenna is operating in the 28 GHz band (27.42–28.79 GHz), which comes under the n261 (FR2 5G-New Radio frequency band) band used for 5G wireless communication.

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来源期刊

Frequenz 工程技术-工程：电子与电气

CiteScore

2.40

自引率

18.20%

发文量

审稿时长

3 months

期刊介绍： Frequenz is one of the leading scientific and technological journals covering all aspects of RF-, Microwave-, and THz-Engineering. It is a peer-reviewed, bi-monthly published journal. Frequenz was first published in 1947 with a circulation of 7000 copies, focusing on telecommunications. Today, the major objective of Frequenz is to highlight current research activities and development efforts in RF-, Microwave-, and THz-Engineering throughout a wide frequency spectrum ranging from radio via microwave up to THz frequencies. RF-, Microwave-, and THz-Engineering is a very active area of Research & Development as well as of Applications in a wide variety of fields. It has been the key to enabling technologies responsible for phenomenal growth of satellite broadcasting, wireless communications, satellite and terrestrial mobile communications and navigation, high-speed THz communication systems. It will open up new technologies in communications, radar, remote sensing and imaging, in identification and localization as well as in sensors, e.g. for wireless industrial process and environmental monitoring as well as for biomedical sensing.