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Updated: Oct 27, 2025

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
Published on: May 28, 2016
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Analysis of Patch Antenna with Broadband Using Octagon Parasitic Patch.
Sun-Woong Kim1, Ho-Gyun Yu2, Dong-You Choi2
1Team for Education and Research of Future ICT & AI Convergence, Chosun University, Gwangju 61452, Korea.
Sensors (Basel, Switzerland)
|July 24, 2021
Summary
A novel octagonal patch antenna with parasitic patches offers improved bandwidth and gain. This simple, low-profile design achieves 1.44 GHz bandwidth and 8.56 dBi gain, making it economical for various applications.
Area of Science:
- Electromagnetics and Applied Electrophysics
- Antenna Theory and Design
Background:
- Conventional antennas often face limitations in bandwidth and gain.
- The need for compact, efficient, and cost-effective antenna solutions is persistent in modern wireless systems.
Purpose of the Study:
- To introduce and analyze a novel broadband octagonal patch antenna incorporating parasitic patches.
- To demonstrate the enhancement in antenna bandwidth and gain compared to traditional designs.
Main Methods:
- Design and simulation of an octagonal patch antenna with four surrounding parasitic elements.
- Performance evaluation using S11 (S-parameter) measurements, radiation pattern analysis, and realized gain calculations.
Main Results:
- The proposed antenna achieved a significant impedance bandwidth of 1.44 GHz.
- A high realized gain of 8.56 dBi was recorded at the 8.5 GHz band.
- Directional radiation patterns with Half-Power Beamwidth (HPBW) measurements in E and H-planes were documented across different frequencies.
Conclusions:
- The parasitic patch arrangement effectively enhances both bandwidth and gain.
- The proposed antenna is a simple, low-profile, and economical solution.
- The design shows promise for applications requiring improved antenna performance.
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