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Related Experiment Video

Updated: Aug 13, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

2-Dimensional (2D) Beam Steering-Antenna Using Active PRS for 5G Applications.

Misha Nadeem¹, Nosherwan Shoaib¹, Aimen Raza¹

¹School of Electrical Engineering and Computer Science (SEECS), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan.

|January 21, 2023

Summary

This study introduces a novel beam-steering antenna using a reconfigurable Partially Reflective Surface (PRS) with a Fabry-Perot Cavity (FPC) antenna. This compact design achieves significant beam steering angles for enhanced wireless communication applications.

Keywords:

Fabry-Perot-cavity beam-steering microstrip patch antenna microwave frequency band partial reflection

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Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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Published on: April 1, 2020

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

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Published on: May 1, 2018

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

Area of Science:

Electromagnetics and Wave Propagation
Antenna Theory and Design
Metamaterials and Reconfigurable Surfaces

Background:

Microstrip patch antennas are widely used due to their low profile and ease of integration.
Beam steering is crucial for modern wireless systems to improve signal quality and coverage.
Partially Reflective Surfaces (PRS) offer a promising approach for reconfigurable antenna functionalities.

Purpose of the Study:

To design and demonstrate a compact, coaxial-fed square microstrip patch antenna integrated with a beam-steering PRS.
To investigate the beam steering capabilities of a 2-D Fabry-Perot Cavity (FPC) antenna with a reconfigurable PRS superstrate.
To achieve significant angular steering in both azimuth and elevation planes at 5.5 GHz.

Main Methods:

A two-dimensional (2-D) Fabry-Perot Cavity (FPC) antenna was used as the radiator.
A 6x6 reconfigurable unit cell PRS, etched on Rogers 5880, was employed as the beam-steering superstrate.
PIN diodes were utilized to control the switching states of the PRS unit cells for beam steering.

Main Results:

The proposed antenna achieved beam steering up to ±47° in the azimuth plane and ±15° in the elevation plane.
Measured antenna gain was approximately 10 dBi across different steering states.
The antenna prototype exhibited a 10 dB impedance bandwidth from 5.4 GHz to 5.52 GHz.

Conclusions:

The integrated FPC antenna and reconfigurable PRS design enables effective and compact beam steering.
The demonstrated steering capabilities are suitable for advanced wireless communication systems requiring directional flexibility.
The design offers a practical solution for achieving reconfigurable radiation patterns with high gain.