Polarization Agile Reconfigurable Rectangular Patch Antenna for Biomedical Applications

Authors

  • Saravanan Manavalan Department of ECE, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Chennai, India https://orcid.org/0000-0003-4594-9351
  • Balraj Shankarlal Department of ECE, Perunthalaivar Kamarajar Institute of Engineering and Technology Karaikal, India
  • Veeraswamy Radhakrishnan Prakash Department of ECE, Hindustan Institute of Technology and Science Chennai, India
  • Sathish Eswaramoorthy School of Electronics Engineering, Vellore Institute of Technology Chennai, India
  • Madasamy Rajmohan Department of ECE, Hindustan Institute of Technology and Science Chennai, India

DOI:

https://doi.org/10.13052/2024.ACES.J.390108

Keywords:

impedance matching, microstrip patch, polarization reconfiguration, radiation pattern

Abstract

A polarization agile patch antenna resonating at 2.4 GHz ISM band is presented. The antenna is based on a rectangular radiating element along with reconfigurable parasitic patches located at its periphery of the radiating element. Two switching diodes are used to reconfigure the geometry of the radiating element. Upon proper biasing of the switching diodes the antenna attains linear or circular (LHCP/RHCP) polarization states. The entire antenna is modelled using a high-frequency structure simulator and is validated using an Agilent network analyser (N9925A) and antenna test systems for measuring impedance and radiation characteristics. Over the entire operating band, the antenna shows better impedance matching and achieves −10 dB impedance bandwidth of 100 MHz (2.40-2.5 GHz) in linear state and 85 MHz (2.41-2.495 GHz) in the circularly polarization states along with peak gain of 5.61 dBi for LP state and 4.98 dBi for CP state in the operatingrange.

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Author Biographies

Saravanan Manavalan, Department of ECE, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Chennai, India

Saravanan Manavalan received his master of engineering degree (comm. system) from Anna Univ., Coimbatore, India in 2012. He did his Ph.D. degree in electronics and comm. engineering at the Hindustan University, India. He had 2 years of teaching experience and more than 5 years of research experience in the field of antennas. Currently he is working as assistant professor at Vel tech University. His area of research includes reconfigurable antennas, metamaterials, and SIW based antennas.

Balraj Shankarlal, Department of ECE, Perunthalaivar Kamarajar Institute of Engineering and Technology Karaikal, India

Balraj Shankarlal received his Ph.D. degree in electronics and comm. engineering at Annamalai University, Chidambaram, India. His area of research includes digital image processing.

Veeraswamy Radhakrishnan Prakash, Department of ECE, Hindustan Institute of Technology and Science Chennai, India

Veeraswamy Radhakrishnan Prakash faculty in the Department of Electronics and Comm. Engineering, in Hindustan Institute of Technology and science, Chennai, India. His major research work is on video processing and real time image processing. He is an active IEEE member and has published papers in Scopus and Web of science.

Sathish Eswaramoorthy, School of Electronics Engineering, Vellore Institute of Technology Chennai, India

Sathish Eswaramoorthy received Ph.D. degree in electronics and comm. engineering at National Institute of Technology, Tiruchirappalli. Currently he is working as assistant professor at Vellore Institute of Technology, India.

Madasamy Rajmohan, Department of ECE, Hindustan Institute of Technology and Science Chennai, India

Rajmohan Madasamy received his B.E. degree in electronics and comm. engineering from Govt. College of Engineering, Tirunelveli, in 2001. He obtained his M.Tech. degree in VLSI from Dr. M.G.R. Educational and Research Institute, Chennai, in 2005. He obtained his Ph.D. in software defined radio from Hindustan Institute of Technology and Science, Chennai, in 2021. He has around 2 years of industry experience and 14 years of teaching experience. Currently he is an assistant professor in the department of Electronics and Communication Engineering at Hindustan Institute of Technology and Science, Chennai. His research interests include digital circuits and logic design, reversible logic and synthesis, and software defined radio.

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Published

2024-01-31

How to Cite

[1]
S. Manavalan, B. Shankarlal, V. R. Prakash, S. Eswaramoorthy, and M. Rajmohan, “Polarization Agile Reconfigurable Rectangular Patch Antenna for Biomedical Applications”, ACES Journal, vol. 39, no. 01, pp. 57–63, Jan. 2024.

Issue

2024: Vol 39 Iss 1

Section

Articles

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