Dual-Polarized Microstrip-Fed Slot Antenna Design with Dual-Notch Filtering for Ultra-Wideband Communications

2023 IEEE Radar Conference (RadarConf23) Pub Date : 2023-05-01 DOI:10.1109/RadarConf2351548.2023.10149617

Nasser Ojaroudi, Mostafa H Elsayed, J. Le Kernec, Ahmed S. I. Amar

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Abstract

This study aims to discuss the characteristics of a dual-port/dual-polarized MIMO slot antenna system with dual-band filtering for ultra-wideband (UWB) wireless communications. The proposed design configuration consists of a pair of modified arc-shaped radiation stubs with a shared ground plane in a planar form. The stubs also contain open-ended rectangular slots and W-shaped. The suggested design ground plane contains an open-ended circular slot. The results indicate that the antenna operates at frequencies 3-10.7 GHz, fully covering the UWB spectrum. Additionally, two notched-band filtering characteristics have been achieved at 5.5 and 7.5 GHz to fully suppress the interfaces from other wireless systems such as the WLAN, and X-band satellite communication downlink. Fundamental characteristics of the proposed design are evaluated. It has been determined that sufficient scattering parameters, 3D radiations, efficiency, and gain levels are all achievable with the presented UWB antenna design. The introduced antenna system meets the requirements well for MIMO and diversity applications.

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用于超宽带通信的双陷波滤波双极化微带馈电槽天线设计

本研究旨在探讨一种用于超宽带(UWB)无线通信的双频滤波双端口/双极化MIMO缝隙天线系统的特性。所提出的设计结构包括一对改进的弧形辐射存根，它们具有平面形式的共享接平面。存根还包含开放式矩形槽和w形。建议设计的接地面包含一个开放式的圆形槽。结果表明，该天线工作频率为3 ~ 10.7 GHz，完全覆盖了UWB频谱。此外，在5.5 GHz和7.5 GHz实现了两个陷波带滤波特性，以完全抑制来自其他无线系统(如WLAN和x波段卫星通信下行链路)的接口。提出的设计的基本特性进行了评估。研究结果表明，该超宽带天线设计能够获得足够的散射参数、三维辐射、效率和增益水平。所介绍的天线系统很好地满足了MIMO和分集应用的要求。

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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2023 IEEE Radar Conference (RadarConf23)

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