RF Circuit Analysis of UWB Planar Log Periodic Antenna for 5G Communications Using Theory of Characteristic Modes

IF 3.5 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Open Journal of Antennas and Propagation Pub Date : 2024-03-08 DOI:10.1109/OJAP.2024.3398147

P. Sumithra;Mohammed Gulam Nabi Alsath;K. J. Jegadishkumar;D. Kannadassan

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引用次数: 0

Abstract

Fifth generation (5G) wireless communication systems demand compact and low-profile high gain wideband antenna. Planar log-periodic array antenna (pLPA) has such potential qualities for 5G base-station and user-devices. However, many important features and RF analysis are rarely elaborated for pLPA which include equivalent circuit modeling. In this article, authors present the systematic RF analysis, fabrication, and equivalent circuit modeling for sub-6GHz 5G application using theory of characteristic modes (TCM). The fabricated pLPA is designed to cover the 5G bands with a high gain of >5 dBi and a fractional bandwidth of >1. Using simulation tool based on method of moments, radiating and non-radiating modes are tracked and studied with detailed physics. These modes are modeled using analytically derived equivalent circuit and assembled in an RF/microwave circuit simulator. The characteristic mode analysis and RF circuit modeling of pLPA help in the advancement of future 5G RF front-end modules.

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利用特性模式理论分析用于 5G 通信的 UWB 平面对数周期天线的射频电路

第五代（5G）无线通信系统需要结构紧凑、外形小巧的高增益宽带天线。平面对数周期阵列天线（pLPA）在 5G 基站和用户设备中具有这样的潜在优势。然而，对于 pLPA 的许多重要特性和射频分析，包括等效电路建模，却鲜有阐述。在本文中，作者利用特征模式理论（TCM）介绍了针对 6GHz 以下 5G 应用的系统射频分析、制造和等效电路建模。利用基于矩量法的仿真工具，对辐射和非辐射模式进行了详细的物理跟踪和研究。这些模式使用分析得出的等效电路建模，并在射频/微波电路模拟器中组装。pLPA 的特征模式分析和射频电路建模有助于推动未来 5G 射频前端模块的发展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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