Microstrip Fed Pi-Slot Patch Antenna with T-Slot DGS for UWB Applications

被引：0

作者：

Jabeen S. ^{[1
]}

Hemalatha G. ^{[1
,2
]}

机构：

[1] Jawaharlal Nehru Technological University, Ananthapuramu, Anantapur

[2] K.S.R.M. College of Engineering, Kadapa, Affiliated to Jawaharlal Nehru Technological University, Ananthapuramu, Anantapur

来源：

Progress In Electromagnetics Research C | 2023年 / 129卷

关键词：

Fed patch antennas - Ground surfaces - High frequency structure simulation - Microstrip fed - Rectangular patch - Shaped defects - Slot patches - Slots in the ground planes - Ultrawide band - UWB applications;

D O I：

10.2528/PIERC22112804

中图分类号：

学科分类号：

摘要：

An ultra-wideband microstrip fed patch antenna with a defective ground surface is presented in this paper. The above-mentioned antenna comprises a T-slot in the ground plane and a Pi-slot in a rectangular patch. The proposed antenna is developed and modeled using the High-Frequency Structure Simulation tool on an RTDuroid 5880 substrate with a thickness of 1.6 mm and a dielectric constant of 2.2. A T-shaped defect is carved in the ground plane to enhance the antenna’s radiation properties, gain, and bandwidth. A conventional Pi-slotted patch antenna operating at 9.74 GHz with a return loss of 19.7 dB is designed, followed by an ultra-wideband antenna embedded with a T-slot in the partial ground surface operating from 7.15 GHz to 10.925 GHz with an impedance bandwidth (S11 < −10 dB) of 3.775 GHz. It showcases exceptional characteristics with a peak gain of 6.99 dBi at 8.95 GHz. A satisfactory agreement is found between the experimental data and simulation results. The proposed Pi-slot patch antenna with the defective ground has applications in radar, satellite, weather monitoring, and vehicle speed detection for law enforcement. © 2023, Electromagnetics Academy. All rights reserved.

引用

页码：63 / 72

页数：9

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