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Wideband monopole antenna: enhanced gain and circular polarization for satellite communication

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Abstract

This article introduces a wideband monopole antenna with improved peak gain and axial ratio bandwidth that may be applied to various wireless systems and ITU satellite communication systems. The antenna operates in the frequency range of 6 GHz to 8 GHz. The low profile proposed antenna is sufficiently compact (0.8λ0 × λ0, where λ0 be the free space wavelength at fr of 6 GHz) and printed on inexpensive FR4-epoxy substrate (εr = 4.4 and, tanδ = 0.02) that is 1.6 mm thick. The top layer is incorporated with the microstrip feed line and tilted L-shaped strip. On the other side, the bottom layer has also a tilted inverted L-shaped strip. In order to achieve better performance from the proposed antenna, a reflector has been embedded. Peak gain of 8 dBi at 6.2 GHz, 3.4 GHz (5.6 GHz–more than 9 GHz) impedance bandwidth (IBW) and 810 MHz (6.59–7.4 GHz) 3-dB Axial Ratio Bandwidth (ARBW) have been achieved. The proposed antenna has been fabricated and measured. The measured data justifies the simulation.

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Authors and Affiliations

  1. Department of Electrical Engineering, Murshidabad College of Engineering and Technology, Berhampore, West Bengal, India

    Biplab Bag

  2. Department of Electronics and Communication Engineering, National Institute of Technology Manipur, Imphal, Manipur, India

    Kalyan Mondal

  3. Department of Engineering and Technological Studies, University of Kalyani, Kalyani, West Bengal, India

    Snehasish Saha & Partha Pratim Sarkar

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  1. Biplab Bag
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  2. Kalyan Mondal
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  3. Snehasish Saha
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  4. Partha Pratim Sarkar
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Bag, B., Mondal, K., Saha, S. et al. Wideband monopole antenna: enhanced gain and circular polarization for satellite communication. Wireless Netw 29, 2717–2731 (2023). https://doi.org/10.1007/s11276-023-03338-0

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  • DOI: https://doi.org/10.1007/s11276-023-03338-0

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