A compact high gain microstrip antenna for wireless applications

Authors: Kaushik Mandal, Partha Pratim Sarkar

Abstract:
In this article, we describe a noveltype of defective ground surface (DGS) microstrip antenna that achieves higher gain, multi resonant frequency with compact size. The proposed antenna consists of a hexagonal shaped patch with small volume. Six triangular slots have been cut on the ground plane, just below the six corners ofthe hexagonal radiating patch. Antenna is circularly polarized one and it has the measured peak gain of 7.2 dBi. The antenna shows multi frequency behavior and more than 57% compactness compare to the conventional hexagonal patch antenna. The simulated results are confirmed experimentally. The proposed antenna is simple in structure compared with the regular stacked or coplanar parasitic patch antennas. It is highly suitable for wireless communications.

Keywords:
Microstrip antenna
Defective ground surface
High gain
Compactness
Multi frequency

Published in: AEÜ-International Journal of Electronics and Communications (Volume 67, Issue 12, December  2013)

Publisher: Elsevier

ISSN Information: 1434-8411

A compact high gain microstrip antenna for wireless applications

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