Indian Journal of Science and Technology

Abstract

This study presents the analytical and theoretical investigation on the effect of multi squared slots on resonance frequency, return loss and band widths of a squared microstrip patch antenna. The novel design is achieved by inserting the squared slots in the middle part of the patch antenna. The squared type patch with two or three tiny slots is designed and the reflection coefficient, S-parameter, standing wave ratio, radiation pattern and TDR impedance are analyzed. The performance of the antenna designed is compared with the antenna which has less or more slots. Compared to the conventional rectangular patch antenna, slot loading antennas give the better performance in resonant frequency, return loss in the cost of bandwidths. 
Keywords: Resonant Frequency, Slot Patch, SWR