A Novel Approach for Design and Optimization of Slot Antenna for WLAN Applications

Year : 2025 | Volume : 12 | Issue : 01 | Page : 1 12
    By

    Mrs. L. Sarika,

  • B. Bhuvaneswari,

  • D. Mani Kumari,

  • M. V. R. Hari Priya,

  • G. Yuva Teja Sree,

  1. Assistant Professor, Department of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering for Women, Visakhapatnam, Andhra Pradesh, India
  2. Student, Department of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering for Women, Visakhapatnam, Andhra Pradesh, India
  3. Student, Department of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering for Women, Visakhapatnam, Andhra Pradesh, India
  4. Student, Department of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering for Women, Visakhapatnam, Andhra Pradesh, India
  5. Student, Department of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering for Women, Visakhapatnam, Andhra Pradesh, India

Abstract

The simulation, and analysis of a micro-strip fed slot antenna array intended for operation in the 2.4 GHz ISM (Industrial, Scientific, and Medical) band, which is widely used for wireless technologies such as Wi-Fi and Bluetooth. A slot antenna is a type of antenna where a slot (cut or gap) is made on a metal surface, and it radiates electromagnetic waves. Utilizing ANSOFT HFSS software, the antenna’s performance is optimized, achieving a half-power beam width (HPBW) of 57°, bandwidth of 7.7%, and directivity of 2.01 db. Antenna characteristics are determined using standard methods, and far-field radiation patterns, return loss, and voltage standing wave ratio (VSWR) are examined using HFSS simulations. The High-Frequency Structure Simulator, or HFSS, is a popular simulation tool for antenna design and optimisation. It explains how effective antenna designs are developed for ISM band applications. The expansion of wireless communication systems, especially for Wireless Local Area Network (WLAN) applications, has increased demand for small, high-performing antennas. This work offers a new method for creating and refining slot antennas that are compact, have a large bandwidth, and are very efficient. To improve performance metrics including return loss, gain, and radiation pattern, the slot shape and feed mechanisms were adjusted using sophisticated optimisation techniques like Genetic Algorithms (GA) and Particle Swarm Optimisation (PSO). The efficiency of the suggested design is confirmed by simulation results, which show a notable increase in bandwidth and a smaller physical footprint when compared to conventional slot antennas. For next-generation WLAN systems that need powerful yet compact antennas, this work is essential.

Keywords: Microstrip-fed slot antenna, Antenna array, Industrial, Scientific, Medical (ISM) band, Ansoft HFSS, Half-power beamwidth (HPBW), Voltage standing wave ratio (VSWR), Electromagnetic simulation.

[This article belongs to Journal of Microwave Engineering and Technologies ]

How to cite this article:
Mrs. L. Sarika, B. Bhuvaneswari, D. Mani Kumari, M. V. R. Hari Priya, G. Yuva Teja Sree. A Novel Approach for Design and Optimization of Slot Antenna for WLAN Applications. Journal of Microwave Engineering and Technologies. 2025; 12(01):1-12.
How to cite this URL:
Mrs. L. Sarika, B. Bhuvaneswari, D. Mani Kumari, M. V. R. Hari Priya, G. Yuva Teja Sree. A Novel Approach for Design and Optimization of Slot Antenna for WLAN Applications. Journal of Microwave Engineering and Technologies. 2025; 12(01):1-12. Available from: https://journals.stmjournals.com/jomet/article=2025/view=193278


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Regular Issue Subscription Review Article
Volume 12
Issue 01
Received 21/12/2024
Accepted 30/12/2024
Published 09/01/2025
Publication Time 19 Days
307

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