UWB Monopole Antenna with Compact Polygon-Shaped Patch for Portable Devices

In this paper, a small ultra wideband (UWB) antenna with co-planar waveguide (CPW) feed, consisting of a polygon-shaped design on the patch and a ground plane truncated with two mirror rectangular–shaped notches is designed for ultra wideband (UWB) applications. In this proposed antenna, through inc...

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Bibliographic Details
Published inApplied Computational Electromagnetics Society journal Vol. 29; no. 1; p. 67
Main Authors Sedghi, T, Rafii, V, Moosazadeh, M
Format Journal Article
LanguageEnglish
Published Pisa River Publishers 01.01.2014
Subjects
Bandwidths
Coplanar waveguides
Ground plane
Monopole antennas
Notches
Polygons
Portable equipment
Ultrawideband
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Summary:In this paper, a small ultra wideband (UWB) antenna with co-planar waveguide (CPW) feed, consisting of a polygon-shaped design on the patch and a ground plane truncated with two mirror rectangular–shaped notches is designed for ultra wideband (UWB) applications. In this proposed antenna, through increasing the number of cuts inside the initial patch, a proper control on the upper frequency of the band can be achieved. The overall dimension of the antenna is 19×19 ×1 mm3 and fed by 50 ? coplanar waveguide. The proposed antenna is developed and its VSWR is compared with the simulated result. The proposed antenna operates in the adopted bandwidth (3.1 GHz-10.6 GHz) with VSWR < 2, and covers it very well from 3 GHz to 14.9 GHz, which provides fractional bandwidths of more than 132%. The effect of the ground plane notch on the optimization of the VSWR is discussed in detail.
ISSN:1054-4887
1943-5711