Reconfigurable microstrip antenna design using geometric slot techniques
ID:20 View Protection:ATTENDEE Updated Time:2025-11-19 09:13:13 Hits:459 Poster Presentation

Start Time:2025-12-29 08:25(Asia/Amman)

Duration:5min

Session:PS Poster Session » PSPoster Session

No files

Abstract
An antenna is an essential element of wireless communication systems, used to transmit and receive electromagnetic waves. Out of several types of antennas, reconfigurable antennas are particularly interesting. They can change their operating parameters based on changing needs. A reconfigurable antenna has the capability to change its operating parameters dynamically applying external control signals. This flexibility minimizes the use of multiple antennas in one system, thereby conserving space, cost, and complexity. A frequency-reconfigurable bow-tie shaped microstrip patch antenna is proposed in this research. It aims to provide wide frequency coverage while keeping compact dimensions and efficient operation. The antenna is made on an FR4 epoxy substrate, which is chosen for its low cost and good electrical properties. The structure is simulated using HFSS   software to study and improve its electromagnetic performance. The antenna uses a coplanar waveguide (CPW) feed and includes two PIN diodes along with a shorting pin for frequency switching. Varactor diodes are also added for continuous tuning of the resonant frequency. The antenna can operate at different frequencies—4.55 GHz, 7.45 GHz, 4.51 GHz, and 6.88 GHz—demonstrating its reconfigurability with respect to frequency. Additionally, using varactor diodes expands the antenna's tuning range from 3.04 GHz to 5.89 GHz. An antenna is an essential element of wireless communication systems, used to transmit and receive electromagnetic waves. Out of several types of antennas, reconfigurable antennas are particularly interesting. They can change their operating parameters based on changing needs. A reconfigurable antenna has the capability to change its operating parameters dynamically applying external control signals. This flexibility minimizes the use of multiple antennas in one system, thereby conserving space, cost, and complexity. A frequency-reconfigurable bow-tie shaped microstrip patch antenna is proposed in this research. It aims to provide wide frequency coverage while keeping compact dimensions and efficient operation. The antenna is made on an FR4 epoxy substrate, which is chosen for its low cost and good electrical properties. The structure is simulated using HFSS   software to study and improve its electromagnetic performance. The antenna uses a coplanar waveguide (CPW) feed and includes two PIN diodes along with a shorting pin for frequency switching. Varactor diodes are also added for continuous tuning of the resonant frequency. The antenna can operate at different frequencies—4.55 GHz, 7.45 GHz, 4.51 GHz, and 6.88 GHz—demonstrating its reconfigurability with respect to frequency. Additionally, using varactor diodes expands the antenna's tuning range from 3.04 GHz to 5.89 GHz.
Keywords
Frequency Reconfigurable Antenna, Bow-Tie Antenna, Coplanar Waveguide (CPW) Feed, HFSS Simulation.
Speaker
Mallipeddi Venkata Ramana
student Kalasalingam academy of research and education

Submission Author
Perumal B Kalasalingam Academy of Research & Education
Mallipeddi Venkata Ramana Kalasalingam academy of research and education
Srujana Malipeddi Kalasalingam Academy of Research & Education
Vighnesh Maddikuntla Kalasalingam Academy of Research & Education
Rajesh V SRM Institute of Science and Technology
Krishna Priya R University of Technology and Applied Sciences
Submit Comment
Verify Code Change Another
All Comments
Important Date
  • Conference Date

    Dec 29

    2025

    to

    Dec 31

    2025

  • Dec 20 2025

    Draft paper submission deadline

  • Dec 31 2025

    Contribution Submission Deadline

  • Dec 31 2025

    Registration deadline

Sponsored By
United Societies of Science
Organized By
Zarqa University
Previous Conferences