Abstract

Antennas are fundamental for wireless communications. Portability, affordability, adaptability, and small size are essential for wireless communication antennas. This paper discusses the designing and analysis of an Annular Slot Antenna (ASA) with a monopole for Wireless LAN (WLAN) applications at 5. 8GHz frequency using Computer Simulation Technology (CST). The suggested antenna has a basic construction and is simple to build. A monopole and an annular slot antenna (ASA) are fitted into each other to form two quasi-omnidirectional radiators. A microstrip line supplies power to the monopole and the ASA. The performance of the designed antenna is analyzed on the grounds of voltage standing wave ratio (VSWR), S parameters, Return loss, and radiation patterns. Simulated outcomes from CST are presented.

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