A Novel Corner Etched Rectangular Shaped Ultrawideband Antenna Loaded with Truncated Ground Plane for Microwave Imaging

Document Type

Article

Publication Title

Wireless Personal Communications

Abstract

Microwave imaging has become a popular research issue in recent decades as a result of its several benefits over traditional imaging technologies. To analyze biological tissues in depth, a microwave imaging instrument is employed. The test determines the presence and location of morphological alterations in specific biological tissues. Ultrawideband (UWB) microwave imaging is a new technique that produces improved results while avoiding the use of ionizing radiation. Antennas play a critical part in these systems, and as a result, antenna optimization has become a hot topic due to the device's proximity to the human body. Recent research has revealed a number of initiatives to improve the electromagnetic sensors employed in these systems, whether as single or array components. In this article, the development of a compact ultrawideband (UWB) antenna functioning in the frequency range of 3.25–14.63 GHz is proposed. The reported antenna comprises of a rectangular patch and a modified ground plane "etched on an FR4" substrate excited by a 50 Ω feed line. The overall dimension of the antenna is 0.44 λ× 0.38 λ× 0.02 λ. The proposed antenna has been fabricated on FR-4 substrate. Measured and simulated results are in good agreement. The proposed antenna is compact and displays good radiation characteristics along with good gain.

First Page

2241

Last Page

2259

DOI

10.1007/s11277-023-10381-9

Publication Date

6-1-2023

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