Graphene-based wideband antenna for aeronautical radio-navigation applications

J. Kumar, B. Basu, F. A. Talukdar and A. Nandi

Journal of Electromagnetic Waves and Applications, 2017, vol. 31, issue 18, 2046-2054

Abstract: In this paper, a conductive layer is developed by printing a graphene nanoparticles-based conductive ink on the silk fabric showing surface resistance of 2.3 Ω$ \Omega $S-1$ ^{-1} $ and conductivity of 0.435×105$ 0.435\times 10^5 $ Sm-1$ ^{-1} $, respectively. The printed silk fabric is utilized to fabricate TM02$ \text{ TM}_{02} $ mode wideband antenna for aeronautical radio-navigation applications centered at 4200 MHz. Excellent -6dB$ -6dB $ impedance bandwidth of 26.4% is obtained by incorporating a patch-ground shorting stub. The antenna has reasonable radiation efficiency above 74% including packaging losses and conical radiation pattern at higher order mode. The simulation and measurements are performed considering practical scenario showing excellent measured results.

Date: 2017
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DOI: 10.1080/09205071.2017.1359686

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