Ultrawideband (UWB) Antennas With Multiresonant Split-Ring Loops

Author

Yang, G.M. ; Jin, R.H. ; Xiao, G.B. ; Vittoria, C. ; Harris, V.G. ; Sun, N.X.

Author_Institution

Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA

Volume

57

Issue

1

fYear

2009

Firstpage

256

Lastpage

260

Abstract

Novel ultrawideband (UWB) antennas with multiresonant split-ring loops and with coplanar waveguide (CPW) feed are presented in this communication. Dual concentric microstrip split-ring loops with different geometrical ground planes have been analyzed and compared. UWB antennas are designed, of which the dimension of each split-ring loop varies proportionally to the arithmetic progression sequence. The dimensions of the rectangular ground planes and the split-ring loops are tuned for achieving a very wide bandwidth. A tapered transmission line is adopted to improve the return loss performance in the required band. Measurement results show that the proposed UWB antennas have a wide bandwidth from 2 to 20 GHz, and the measured return losses are less than -10 dB in this band combined with relative stable radiation characteristics.

Keywords

antenna feeds; coplanar waveguide components; geometry; microstrip antennas; transmission lines; ultra wideband antennas; arithmetic progression sequence; coplanar waveguide feed; dual concentric microstrip antenna; geometrical rectangular ground plane; multiresonant split-ring loop; tapered transmission line; ultrawideband antenna; Antenna feeds; Antenna measurements; Arithmetic; Bandwidth; Coplanar waveguides; Loss measurement; Microstrip; Transmission line measurements; Ultra wideband antennas; Ultra wideband technology; Coplanar waveguide (CPW); split-ring loops (SRLs); ultrawideband (UWB) antenna;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2008.2009744

Filename

4797970