A New Approach in Realisation of DGS Microstrip Patch Antennas With Fractal Geometry.

Received: 08 July 2023, Revised: 02 Aug 2023, Accepted: 11 Sep 2023, Available online: 22 Dec 2023, Version of Record: 22 Dec 2023

Hara Prasad, R.V.; Vakula, D.; Chakravarthy, M.

Abstract


A new approach in realization of Defected Ground Structure Microstrip Patch antennas with Fractal Slots cut in the ground plane has been presented. The presented approach resulted in miniaturization of radiating patches and avoidance of multiple resonances which are prime considerations in antennas for Wi-Fi applications. A rectangular Microstrip patch is taken as a basic radiating patch. In the ground plane, square and circular slots following Sierpinski Carpet Fractal Geometry are cut resulting in Defected Ground Structure (DGS) Microstrip Patch antenna. The antenna is designed to operate at 2.4 GHz and the performance characteristics have been simulated using HFSS software. The proto-type DGS Microstrip patch antenna with square fractal slots is fabricated and tested. The measured results are in good agreement with the simulation studies. The technique has also resulted in size reduction of radiating patch compared to the standard microstrip patch antenna operating at the same frequency.
Subjects
MICROSTRIP antennasFRACTALSANECHOIC chambersANTENNA designANTENNAS (Electronics)SLOT antennasNICOTINE replacement therapy



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“Authors state no conflict of interest”


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