Abstract

The congestion in the 2.4 GHz Wi-Fi band by various different applications has intended in identification and introduction of Wi- Fi bands in the 5G spectrum. This paper presents an inset fed rectangular microstrip patch antenna having dimensions 22.66 mm x 26.98 mm to cover Wi-Fi services in 5.15-5.35 GHz of 5G band. The antenna is designed to operate at 5.25 GHz and simulated with CST Microwave Studio. FR4 is chosen as the substrate material having thickness of 1.6 mm, loss tangent of 0.02 and dielectric constant of 4.4. Variation in the notch width, (G <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">pf</inf> ) affects the resonant frequency, bandwidth and reflection coefficient, (S <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</inf> ) of the antenna. The antenna exhibit -10 dB impedance bandwidth of about 5.51 % (5.11-5.40 GHz). The antenna covers 40 MHz on both the sides of the required frequency band validating its suitability for Wi-Fi services in 5G band. The antenna exhibit good impedance matching at 5.25 GHz with 6.13 dBi directional radiation pattern.

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