Abstract
In this paper, a novel highly compact microstrip monopole antenna with adjusted ground plane for ultra-wideband (UWB) applications is proposed. The patch antenna is composed of a trimmed radiator and rectangular ground plane with four slots providing relatively extreme wide operating frequency from 2.8 till 16.2 GHz based on -10 dB criteria. The high matching impedance in the design results in ultra-wide bandwidth that covers the entire BW allocated by FCC for UWB applications. At the same time, the presented antenna is distinguished by significantly miniaturized structure with total size of 13 mm x 10 mm printed on a substrate material of Rogers Duriod RT 5880 LZ with relative permittivity of εr=1.9 and loss tangent δ of 0.0009. The suggested antenna is appropriate for miniature wireless gadgets. The patch has been investigated, and optimized in terms of operating frequency, impedance matching, radiation characteristics, structure size, and fabrication cost.
Highlights
In recent years, ultra-wide band (UWB) wireless technology has remarkable attention because of several significant merits
Having numerous overlapped resonant frequencies will result in ultra-wide bandwidths (UWB)
Designing UWB patch is based on the concept of forming resonant frequencies overlapping between them, which leads to wide bandwidths [15]
Summary
Ultra-wide band (UWB) wireless technology has remarkable attention because of several significant merits. Introducing new designs of compact planar UWB patches has played an essential part in gaining high performance features with regard to impedance matching, radiation pattern, and structure size. Several UWB monopole designs for instance elliptical shape, U-shape, ring, circular shape, and many others have been suggested and investigated in which the wide operating frequencies are achieved by different forms of radiating structures [2,3,4,5,6,7,8,9,10,11,12].
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