Metasurface reflector-inspired directional bow-tie antenna for IoT and wireless applications

IF 3.1 3区物理与天体物理 Q2 Engineering Optik Pub Date : 2025-03-17 DOI:10.1016/j.ijleo.2025.172309

Tejaswita Kumari, Anupama Senapati, Abu Nasar Ghazali

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Abstract

The present paper deals with design and realization of the metasurface-reflector, high-gain directional ultra-wideband (UWB) bowtie antenna for the applications of IoT and wireless communication. There will be a modified patch along with a symmetrical hexagonal-shaped metasurface (MTS) reflector that has a design 3 × 6 array and is loaded on the back and top sides. First, the proposed design features an ultra-wideband bowtie antenna with a superellipse-shaped bow along with staircase structures. Then, the antenna becomes directional due to the metasurface loading on its backside, after that placing same metasurface on the front side enhances the directional gain. The dimension of the antenna is

2.44 λ_{0} \times 1.12 λ_{0}

and the fractional bandwidth is 97.44%. The maximum gain achieved by the antenna is 10.1 dBi, and the efficiency of the proposed antenna is 95.5%. This proposed compact antenna optimizes both gain and bandwidth for the requirements of IoT, UWB wireless operation, and 6G complementary networks.

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用于物联网和无线应用的metassurface反射器启发定向领结天线

本文研究了用于物联网和无线通信应用的超表面反射高增益定向超宽带（UWB）领结天线的设计与实现。将有一个经过修改的贴片，以及一个对称的六边形超表面（MTS）反射器，该反射器设计为3 × 6阵列，并装载在背面和顶部。首先，提出的设计特点是超宽带领结天线具有超椭圆形状的弓形以及楼梯结构。然后，由于天线背面的超表面载荷，天线变得有方向性，然后在前面放置相同的超表面，增强了定向增益。天线尺寸为2.44λ0×1.12λ0，分数带宽为97.44%。该天线的最大增益为10.1 dBi，效率为95.5%。该紧凑型天线优化了物联网、UWB无线运营和6G互补网络的增益和带宽需求。

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来源期刊

Optik 物理-光学

CiteScore

6.90

自引率

12.90%

发文量

1471

审稿时长

46 days

期刊介绍： Optik publishes articles on all subjects related to light and electron optics and offers a survey on the state of research and technical development within the following fields: Optics: -Optics design, geometrical and beam optics, wave optics- Optical and micro-optical components, diffractive optics, devices and systems- Photoelectric and optoelectronic devices- Optical properties of materials, nonlinear optics, wave propagation and transmission in homogeneous and inhomogeneous materials- Information optics, image formation and processing, holographic techniques, microscopes and spectrometer techniques, and image analysis- Optical testing and measuring techniques- Optical communication and computing- Physiological optics- As well as other related topics.