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Related Experiment Video

Updated: Apr 25, 2026

Fabrication and Characterization of Superconducting Resonators

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

Compact double-p slotted inset-fed microstrip patch antenna on high dielectric substrate.

M R Ahsan¹, M T Islam¹, M Habib Ullah²

¹Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia.

Thescientificworldjournal

|August 29, 2014

Summary

This study introduces a compact microstrip patch antenna with double-P slots, achieving dual-band operation for GPS and C-band applications. The antenna demonstrates efficient performance with good gain and radiation efficiency.

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Last Updated: Apr 25, 2026

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

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Published on: May 28, 2016

Area of Science:

Electrical Engineering
Electromagnetics
Antenna Theory

Background:

Microstrip patch antennas are widely used due to their low profile and ease of integration.
High dielectric constant substrates are often employed to reduce antenna size.
Slotting techniques can be used to enhance antenna bandwidth and performance.

Purpose of the Study:

To design and fabricate a compact inset-fed rectangular microstrip patch antenna.
To embed double-P slots for improved performance.
To evaluate the antenna's suitability for GPS and C-band applications.

Main Methods:

Antenna design and simulation using electromagnetic simulation software.
Fabrication on a ceramic-PTFE composite substrate with a high dielectric constant.
Performance characterization through reflection coefficient, gain, and radiation pattern measurements.

Main Results:

Achieved -10 dB reflection coefficient bandwidths of 200 MHz and 300 MHz.
Observed center resonant frequencies at 1.5 GHz and 4 GHz.
Attained gains of 3.52 dBi (81% efficiency) and 5.72 dBi (87% efficiency) for the lower and upper bands, respectively.

Conclusions:

The proposed antenna exhibits dual-band characteristics suitable for GPS and C-band frequencies.
The compact size and good performance metrics make it a viable candidate for modern wireless systems.
The agreement between simulated and measured results validates the design approach.