Optimization Of Microstrip-Fed Slot For Short Range Device Application

Eshah Budin Shah, Nur Syahirah (2018) Optimization Of Microstrip-Fed Slot For Short Range Device Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Optimization Of Microstrip-Fed Slot For Short Range Device Application.pdf - Submitted Version Download (221kB)

Abstract

The antenna used for this project is microstrip fed-slot which is made up from FR-4 substrate with dielectric constant of 4.4.and loss tangent of 0.025. The antenna is for short range device (SRD) application, thus the working frequency of the antenna is 915 MHz which has been set by Malaysian Communications and Multimedia Commission (MCMC). However, 915 MHz frequency produce a large size of antenna. Thus, the antenna of microstrip-fed slot is optimized which is done by using Computer Simulation Technology (CST) software and later the result of simulation and measurement are analyzed after the antenna is fabricated. In this project, the optimization is done by using the parametric study on the thickness of FR-4 substrate, height of air gap, the width and length of slot and reflector towards the microstrip-fed slot antenna’s return loss result. The outcome of this project, size of the reflector is managed to be reduced while maintaining the return loss below -10 dB in order to keep the antenna functioning.

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