Performance Analysis of an F-Shaped Antenna for Wireless Applications. (13th March 2023)

• Record Type: Journal Article
• Authors: Gokula Chandar, A.; Kannadhasan, S.; Nagarajan, R.; Subbian, Parameswari; Mashuq Tonmoy, Mahtab
• Other Names: Ferrara Flaminio Academic Editor.
• Is Part Of: International journal of antennas and propagation. Volume 2023(2023)
• Publication Date: 2023-03-13
• Subjects: Electronic apparatus and appliances -- Periodicals; Antennas (Electronics) -- Periodicals; Radio wave propagation -- Periodicals; Antennes (Électronique); Ondes radioélectriques -- Propagation; Antennas (Electronics); Electronic apparatus and appliances; Radio wave propagation; Electronic journals; Periodicals; 621.382405
• DOI: 10.1155/2023/8723069
• Languages: English
• ISSNs: 1687-5869

Abstract

Abstract : The wide-band circularly polarised (CP) monopole antenna structure described in this article combines a defective ground plane with an f -shaped radiating monopole that is intended for impedance bandwidth and high axial ratio bandwidth (IBW). The faulty ground structure is etched as twin rectangular slots, an F -shaped slot, and a square slot with a corner cut off. The proposed antenna is 25 × 25 × 1.6 mm 3 in total. The prototype of the optimised antenna's far-field characteristics has been constructed, modelled, and experimentally confirmed. The simulated and measured return loss values are 3.19 to 7.4 GHz, with −32.48 dB and −38.42 dB, respectively. Axial ratio values are 4.37 to 7.22 GHz and 4.52 to 7.15 GHz, with an efficiency of 49.18% and 45.07%, respectively, for the simulated and observed bands. Gain levels in the whole CP band range from 2.8 to 3.3 dB. A continuous radiation efficiency of more than 90% is realised in the CP band. The suggested CP antenna has constant radiation qualities and is suitable for WLAN and WiMAX applications.