Coplanar waveguide fed ultra-wideband antenna over the planar and cylindrical surfaces

Author

Lech, Rafal ; Marynowski, Wojciech ; Kusiek, Adam

Author_Institution

Fac. of Electron., Telecommun. & Inf., Gdansk Univ. of Technol., Gdansk, Poland

fYear

2014

fDate

6-11 April 2014

Firstpage

3097

Lastpage

3100

Abstract

The investigation of coplanar waveguide fed ultra-wideband antenna and the influence of the proximity of different materials on the reflection coefficients and radiation characteristics is presented. The antenna is composed of two circular coplanar strips which enclose slot aperture of similar shape and is designed on a thin and flexible substrate. From the modeling and experimental tests the antenna shows good performance in 2-15GHz frequency range with return losses better than 10dB. It is shown that the proximity of different, non-metalic materials does not significantly affect antenna performance. The proximity of metalic screens deteriorates its radiation pattern and reflection coefficient. However with the correct choice of the distance between screen and antenna the required level of return losses can be provided.

Keywords

antenna feeds; antenna radiation patterns; coplanar waveguides; ultra wideband antennas; antenna radiation pattern; circular coplanar strips; coplanar waveguide fed ultrawideband antenna; cylindrical surfaces; frequency 2 GHz to 15 GHz; metalic screens proximity; planar surfaces; radiation characteristics; reflection coefficients; Antenna measurements; Antenna radiation patterns; Frequency measurement; Materials; Ultra wideband antennas; coplanar waveguide fed (CPW-fed); flexible antenna; ultra-wideband antenna;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (EuCAP), 2014 8th European Conference on

Conference_Location

The Hague

Type

conf

DOI

10.1109/EuCAP.2014.6902483

Filename

6902483