TL-Shaped Circular Parasitic Compact Planar Antenna for 5G Microwave Applications

TL-Shaped Circular Parasitic Compact Planar Antenna for 5G microwave applications is proposed and investigated. The current structure is complex and size efficient. The antenna's front side consists of rectangular patch in center that consists of L-shaped, T-shaped and inverse T-shaped elements, respectively, with four parasitic rings on the top and microstrip line in center fed up by 50 Ω strip line. Backside of antenna consists of three parasitic rings on the top, four horizontal strips arranged in increasing order and ground plane with small rectangular slot in it. Using CST Microwave Studio, antenna simulations are performed on the FR-4 substrate with the overall dimensions of 13 * 15 * 1.5 mm3. The antenna offers an impedance bandwidth of 60.8% and a return loss of − 28 dB, with a frequency range of 3.2–6 GHz and a central frequency of 4.6 GHz. Radiation patterns from the proposed structure are constant throughout the operational range. Proposed antenna having stable polar patterns and efficient performance. The antenna is appropriate for 5G microwave communication applications since it has a wide gain of 4.81dBi and an efficiency of 82%.