Upesh Patel

ORCID: 0000-0003-4872-553X
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Research Areas
  • Antenna Design and Analysis
  • Advanced Antenna and Metasurface Technologies
  • Energy Harvesting in Wireless Networks
  • Microwave Engineering and Waveguides
  • Wireless Body Area Networks
  • Antenna Design and Optimization
  • Metamaterials and Metasurfaces Applications
  • Advanced MIMO Systems Optimization
  • Light effects on plants
  • Energy Efficient Wireless Sensor Networks
  • Magnetic and Electromagnetic Effects
  • Ultra-Wideband Communications Technology
  • Satellite Communication Systems
  • Laser Material Processing Techniques
  • Plasma Diagnostics and Applications
  • Video Coding and Compression Technologies
  • Advanced Control Systems Design
  • Infrared Thermography in Medicine
  • Advanced Vision and Imaging
  • Evolutionary Algorithms and Applications
  • Distributed Sensor Networks and Detection Algorithms
  • Hand Gesture Recognition Systems
  • Bluetooth and Wireless Communication Technologies
  • Plasmonic and Surface Plasmon Research
  • Smart Agriculture and AI

Charotar University of Science and Technology
2013-2025

University of Münster
2013

A quad-port Multiple Input Output Antenna with high isolation is presented in this paper. The MIMO design intended to receive Ultra-Wide Band response target various wireless applications. engineered model has 40 x 1.6 mm3 electrical dimensions. single antenna achieves size compactness due an appropriate inclusion of vertical and horizontal conductive strips. Additionally, a diagonal radiating strip shaped pooled the patch geometry. similar positioned orthogonally each other diversified...

10.1016/j.rineng.2024.102318 article EN cc-by Results in Engineering 2024-05-24

This work suggests a fractal antenna in the shape of crossed flower with split ring resonator geometry. suggested serves Sub-6 GHz 5G and satellite repeater applications for wireless devices operating frequency range 4.01-4.82 7.6-7.94 GHz, respectively. The antenna's performance parameters have been empirically confirmed by creating printed prototype. geometry is based on lower-cost FR4 substrate consists mix floral square-shaped split-ring resonators organized Minkowski configuration. A...

10.1016/j.rineng.2024.102110 article EN cc-by-nc-nd Results in Engineering 2024-04-06

A four-port MIMO antenna with high isolation is presented. The primarily envisioned to cover the n48 band of Frequency Range-1 (FR-1) TDD duplex mode. engineered has electrical dimensions 90 × 1.57 mm3. size miniaturization a single unit achieved through an optimized placement slots and extended arms. quad-antennas are then placed orthogonally achieve diversity. resonates at 3.56 GHz 5.28 having 2:1 VSWR fractional bandwidth 1.82% 2.12%. proposed resonator provides 88.34% 79.28% efficiency...

10.1038/s41598-023-46413-4 article EN cc-by Scientific Reports 2023-11-04

A four-port dielectric resonator-based connected ground multiple-input multiple-output (MIMO) antenna is designed. The presented was excited through the aperture feeding technique. dual bands are achieved by optimally rectangular resonator engineered triangular slots. has operating modes of <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mi>T</mi> <msubsup> <mi>E</mi> <mrow> <mn>111</mn> </mrow> <mi>X</mi> </msubsup> </math> and id="M2"> <mi>Y</mi> at 4.5 GHz 5 GHz, respectively....

10.1155/2022/4136347 article EN cc-by International Journal of Antennas and Propagation 2022-08-28

A four-port dielectric resonator (DR)-based multiple-input multiple-output (MIMO) antenna is presented for sub-6 GHz MIMO communication. The was fed through aperture feeding to achieve dual-band resonance. DRA has the operating modes of TE01δ and TE10δ at 3.3 3.9 GHz, respectively. engineered port isolation higher than 20 dB target frequencies without employment an extra mechanism. Full-wave high-frequency simulation software employed computation. a peak gain 5.8 dBi 6.2 dBi, efficiency...

10.3390/mi13112022 article EN cc-by Micromachines 2022-11-19

10.1007/s11277-024-11413-8 article EN Wireless Personal Communications 2024-07-01

Summary In this article, a split‐ring resonator‐inspired fractal antenna for the GSM and sub‐6‐GHz 5G applications is presented. The geometry uses combination of square‐shaped resonators arranged in Sierpinski arrangement that realized on low‐cost FR4 substrate. overall dimension proposed 0.35 λ × mm 2 (lowest frequency). resonates at dual‐frequency band spanning from 1.75 to 2.0 (13.36%) 3.01 4.18 GHz (33.42%) with peak gain 1.5 2.05 dBi respective resonant peaks correlate satisfactorily...

10.1002/dac.5105 article EN International Journal of Communication Systems 2022-01-27

Summary A low‐profile, tri‐band, wide slot antenna for the Wireless Local Area Network (WLAN) and World‐Wide Interoperability Microwave Access (WiMAX) applications is proposed in this article. The surface dimension of planar 0.32λ × mm 2 (lowest operating frequency). structure consists a which formed by carefully etching out square circular shapes from basic patch antenna. standard cost‐effective FR‐4 substrate with thickness 1.6 used fabrication prototype. Tri‐band resonance at 2.4, 3.5,...

10.1002/dac.4897 article EN International Journal of Communication Systems 2021-06-13

To elaborate a video in terms of its content, it needs to be partitioned into smallest visual unit called shot.To segment shots, shot boundary is needed.Here pixel wise difference adapted for uncompressed and compressed transition detection with adaptive threshold.Color histogram also used the cut dissolve boundary.For boundary, traditional threshold technique works well but fails some cases like camera flash, fast zooming etc.To improve performance 2nd derivative method accepted twin...

10.5120/10625-5347 article EN International Journal of Computer Applications 2013-02-15

A dual-band compact transparent antenna is proposed. The resonates at 3.38 GHz and 4.24 band for WLAN WiMAX applications. engineered by inducting slots on conducting surface to meet the target resonance frequencies. These tailored slots, being one of most adopted conventional techniques, are able provide adequate tuning. has dimension 0.33λ ×0.33λ lower frequency 0.42λ×0.42λ higher frequency. Conducting Oxide materials, AgHT-8 AgHT-4, coated over glass substrate generate fringing fields....

10.1109/piers-fall.2017.8293108 article EN 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL) 2017-11-01

Optically transparent antenna (OTA) having a slotted interconnected ring resonator inspired structure is proposed. Silver tin oxide (AgHT-8) used as conductive material for patch and partial ground. Size of the proposed 50×50mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> impedance bandwidth 9.16 % 21.98%. Conductive substrate are making optically invisible. Resonance frequencies 2.42 GHz 3.71 suitable WLAN WiMAX applications.

10.1109/apmc.2017.8251610 article EN 2021 IEEE Asia-Pacific Microwave Conference (APMC) 2017-11-01

Wireless communication and embedded technology have shown rapid growth in last decade.An E-shaped slotted tri-band antenna is designed, analyzed, proposed this paper.The developed operates for 2.4GHz, 3.5GHz 5GHz frequencies having impedance bandwidths of 7.17%, 5.71% 12% with an acceptable gain 4.25dBi, 3.51dBi 1.90dBi respectively.The efficiency aforementioned are 74%, 75% 80% utilizes FR4 as a substrate material.The presented structure fabricated to receive the actual output...

10.12785/ijcds/130106 article EN cc-by-nc-nd International Journal of Computing and Digital Systems 2023-01-31

Medicinal plants and their properties are significantly affected by various abiotic stressors amongst which, hazardous high-frequency mobile communication radiation spectrum become one of the prominent causes. Such affects synthesis bioactive compounds, plant health, herbal yield. The presented investigation checks effect microwave radiations (1800 MHz frequency) on fungicidal activity Jasminum grandiflorum L. extract against Aspergillus niger, flavus, fumigatous, Alternaria alternata,...

10.1109/iccmc51019.2021.9418324 article EN 2022 6th International Conference on Computing Methodologies and Communication (ICCMC) 2021-04-08
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