Design Circular Polarized Antenna With Multilayer Metasurface

Abdul Latiff, Luqman Rashidi (2018) Design Circular Polarized Antenna With Multilayer Metasurface. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Design Circular Polarized Antenna With Multilayer Metasurface.pdf - Submitted Version Download (385kB)

Abstract

For wireless communication system, antenna is one of the most important component. A good design of antenna can meet the system requirement and improve the performance of the system. In this project, design and analysis of Circular Polarized (CP) Antenna with multilayer Metasurface (MS) structure is presented. Firstly, the antenna was designed based open slot is formed by an L-shape directed connected at the center of the ground plane as a way to create the circular polarization. After optimization, axial-ratio achieved 1.632dB which is less than 3dB for circular polarization at frequency 5GHz. Then designed antenna is added with metasurface with air gap between the patch and metasurface layer with a distance of 20 mm. With the additional of the MS the gain increased by 1.084dB. The coaxial feed technique is applied in this antenna with 50Ω probe feed SMA connector. Computer Simulation Technology (CST) Microwave Studio Suite software is used as the simulation tool for the design and simulation process for the antenna. The antenna parameter include return loss (RL), bandwidth (BW), gain, directivity, axial ratio (AR) and total efficiency for the proposed antenna are analysed. The resonant frequency for this antenna design is the Wireless Local Area Network (WLAN) application which operates at 5GHz frequency.

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