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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
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Realization of circular polarized multiple band multi-mode OAM antenna using a ring patch for IoT applications
Umar Fayyaz1, Shahab Ahmad Niazi2, Khaled AlJaloud3
1Faculty of Engineering and Technology, The Islamia University of Bahawalpur, Punjab, 63100, Pakistan. umar.fayyaz@iub.edu.pk.
Scientific Reports
|October 10, 2023
Summary
This study presents a novel ring patch antenna capable of simultaneously exciting multiple Orbital Angular Momentum (OAM) modes at different frequencies, enhancing spectral efficiency for IoT applications.
Area of Science:
- Electromagnetics and Antenna Design
- Wireless Communications
- Metamaterials and Novel Antennas
Background:
- Achieving high spectral efficiency and capacity in Internet of Things (IoT) applications requires advanced antenna technologies.
- Simultaneously exciting multiple circular polarized Orbital Angular Momentum (OAM) modes from a single patch antenna is a significant design challenge.
- Existing antenna designs struggle to meet the distinct requirements for exciting various OAM modes concurrently.
Purpose of the Study:
- To design a multiband, multi-mode antenna capable of simultaneously exciting multiple circular polarized OAM modes.
- To investigate the feasibility of using a ring patch antenna for simultaneous OAM mode excitation at different frequencies.
- To provide methods for suppressing unwanted OAM modes in the designed antenna.
Main Methods:
- Characteristic Mode Analysis (CMA) was employed to assess the antenna's capability for simultaneous OAM mode excitation.
- A dual-port ring patch antenna was designed and fabricated based on CMA insights.
- Experimental verification of the antenna's OAM mode generation capabilities at distinct frequencies.
Main Results:
- The designed ring patch antenna successfully excited different OAM states at corresponding frequencies.
- Characteristic Mode Analysis confirmed the potential for simultaneous multi-OAM mode excitation.
- The study demonstrated the antenna's ability to generate multiple OAM states concurrently.
Conclusions:
- A ring patch antenna design enables simultaneous excitation of multiple OAM states at different frequencies.
- This approach offers a viable solution for enhancing spectral efficiency and capacity in IoT systems.
- The presented design and suppression techniques offer valuable guidance for future OAM antenna development.
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