The enhancing energy efficiency in hyperthermia treatment: a frequency-reconfigurable L-Shape antenna design and analysis

Authors

DOI:

https://doi.org/10.15587/2706-5448.2024.298795

Keywords:

frequency reconfigurable, antenna, bandwidth, hyperthermia treatment, gain, varactor, directivity

Abstract

The object of research is a frequency-reconfigurable L-Shape antenna. This paper presents an innovative study focusing on the design and analysis of a frequency-reconfigurable L-Shape antenna with a specific application in Hyperthermia Treatment. The antenna, operating in the frequency range of 2.5 to 8 GHz, utilizes a varactor to achieve agility and simplify design, thereby reducing component count. Constructed with a Roggers RT5880 (lossy) substrate, the L-Shape configuration ensures optimal performance. The incorporation of a single varactor, acting as a junction capacitance, not only enables straightforward tuning but also contributes to enhanced energy efficiency by reducing overall power consumption in the reconfigurable antenna system. The study employed CST Microwave Studio's 3D Electromagnetic field simulation software for time domain solver-based simulations, with validation conducted using the frequency domain solver. Results from the simulations showcase the antenna's performance at different frequency states.

At the tuning state frequency of 2.7 GHz, the antenna exhibits an impressive gain of 1.905 dB and a directivity of 7.530 dB. Similarly, at the tuning state frequency of 6.89 GHz, the gain is measured at 6.806 dB with a directivity of 7.490 dB. The proposed L-Shape antenna design not only demonstrates significant potential for Hyperthermia Treatment, allowing targeted heating within the 2.5 to 8 GHz frequency range but also aligns with the multidisciplinary focus of medical science. This contribution reflects the commitment to advancing medical science through original research, fostering innovation, and promoting energy-efficient solutions with practical applications in clinical settings.

Author Biographies

Segun Akinola, University of Johannesburg

Doctor of Electrical/Electronic Engineering

Johannesburg Business School

 

Reddy Leelakrishna, University of Johannesburg

Professor

Department of Physics

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The enhancing energy efficiency in hyperthermia treatment: a frequency-reconfigurable L-Shape antenna design and analysis

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Published

2023-12-29

How to Cite

Akinola, S., & Leelakrishna, R. (2023). The enhancing energy efficiency in hyperthermia treatment: a frequency-reconfigurable L-Shape antenna design and analysis. Technology Audit and Production Reserves, 1(1(75), 43–50. https://doi.org/10.15587/2706-5448.2024.298795

Issue

Vol. 1 No. 1(75) (2024): Industrial and technology systems

Section

Electrical Engineering and Industrial Electronics

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Copyright (c) 2024 Reddy Leelakrishna, Segun Akinola

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