A5014458115- Antenna Design and Analysis
- Advanced Antenna and Metasurface Technologies
- Microwave Engineering and Waveguides
- Antenna Design and Optimization
- Metamaterials and Metasurfaces Applications
- Energy Harvesting in Wireless Networks
- Advanced MIMO Systems Optimization
- Wireless Body Area Networks
- Superconducting and THz Device Technology
- Wireless Communication Networks Research
Teerthanker Mahaveer University
2022-2024
Dr. A.P.J. Abdul Kalam Technical University
2020
Abstract In this paper, an electromagnetic band gap (EBG) metasurface (MS) superstrate-based circularly polarized antenna for the WiMAX (3.5 GHz) is proposed. The proposed structure comprises a 2 × slot-loaded rectangular patch MS array that can be perceived as polarization-dependent EBG superstrate. Furthermore, to achieve circular polarization, has inclined coupling slot onto ground with conventional coplanar waveguide feed line. compact low profile of 0.037 λ 0 ( stands free-space...
Abstract In this article, a hexagonal ring electromagnetic band gap (HREBG) structure‐based circularly polarized (CP) slot antenna for improving performance is proposed. The proposed has compact structure with low profile of 0.517 λ o × 0.055 ( stands the free space wavelength at 5.10 GHz), coplanar waveguide fed, and comprises circular microstrip patch T‐shaped slot. An inclined coupling loaded feed line used on ground generation CP. Furthermore, eight HREBG's are implemented substrate to...
Abstract This study investigates a low-profile circularly polarized (CP) antenna using coplanar waveguide feeding. Rectangular-shaped slots and an inverted L-shaped slit are entrenched into the ground plane to enhance impedance bandwidth of antenna. Furthermore, is implemented with six elliptical electromagnetic band gap structures on its substrate −10 dB return loss also generate CP waves. The experimental theoretical results closely match each other indicate that simple compact design...
In this article, a novel Compact Circularly Polarized Antenna with notched circular Electromagnetic Band Gap (NCEBG) structure is put forward. This proposed comprises of truncated rectangular patch antenna having its ground plane defected by slots etched on it to achieve compactness and wide impedance bandwidth. structures have the attractive feature in-phase reflection stopband creation for surface waves, enabling waves be suppressed; this, in turn, leads enhanced performance when loaded...
Abstract In this article, a new structure comprising of novel compact slot loaded polarization dependent Electromagnetic Band Gap (SLPDEBG), which enhances the performance circularly polarized rotated square patch antenna by placing SLPDEBG unit cells around it, has been designed. The proposed antenna, having dimensions 0.640 λo x λ 0.0128 (λo stands for free space wavelength at 2.39 GHz), shows that measured impedance bandwidth and AR is 120 MHz 50 MHz, respectively, with peak gain 3.52 dB....
Abstract A 3 × slotted circular Electromagnetic Band gap based Metasurface (SCEBG-MS) has been presented in this article, which enhances the performance of a circularly polarized (CP) patch antenna by improving its impedance bandwidth, axial ratio bandwidth and gain. The proposed is having low profile 0.065 λ o ( free-space wavelength at center frequency 6.16 GHz) with ground size selection 30 mm. prototype achieves measured −10 dB 37% (5.02–7.30 3-dB 5.9% (5.24–5.56 GHz). Furthermore,...
In this article, a new compact Circularly Polarized Antenna with wide operating bandwidth is proposed. The proposed structure consists of Modified Circular Split Ring Resonator (MCSRR) as the radiating patch, which fed by coplanar waveguide and loaded 2 × closed-ring resonantor (CRR) array on its FR4 epoxy substrate. dimensions antenna are 0.329 λo x 0.024 (λo stands for free space wavelength at center frequency 4.94 GHz).The implementation CRR modified printed monopole leads to measured...
This article explores machine learning techniques, specifically Artificial Neural Networks (ANN), Support Vector Machines (SVM), and Gaussian Process Regression (GPR), to predict the S11 parameter of a slotted square patch antenna optimized for Wireless Local Area Network (WLAN) operation between 5.6 GHz 5.85 GHz. The antenna, measuring 30x30x1.6 mm? centered at 5.725 GHz, features coaxial probe feed design with circular slot within enhance bandwidth. These ML methods demonstrate superior...
Abstract A triple-frequency operated concentric annular ring microstrip antenna which is single fed presented. The proposed with three rings and two symmetrical notches on its outer having a cross slot in ground surface shows triple band at resonance frequency 1.22760, 1.57542, 2.18 GHz, respectively. At the first bands (GPS L2 GPS L1), circular polarization characteristic observed third observes linear finding application Universal Mobile Telecommunication System (UMTS). complete dimension...
The presented model for wideband circularly polarized microstrip antenna is an improved version of the previous models which widely applicable to satellite, microwave relay and radar. designed having overall volume 20× 20 × 1.6 mm3 actively works at impedance bandwidth 9000 MHz (4.0–12.9 GHz) 105%(with 8900 taken as center frequency). 3-dB axial ratio obtained 5500 (5.4–10.9 depicting 67.5% (with 8150 Measured results bandwidth, ratio, gain VSWR agrees simulation results.