Title :
A CPW-fed loop antenna with multi-notch band for UWB applications
Author :
Li, Yingsong ; Wang, Shigang ; Liu, Chengyuan ; Yang, Xiaodong
Author_Institution :
Coll. of Inf. & Commun. Eng., Harbin Eng. Univ., Harbin, China
Abstract :
A coplanar waveguide (CPW) fed circular ring ultra-wideband (UWB) monopole antenna with two notched functions is presented numerically. The impedance bandwidth of the proposed loop antenna is broadened by cutting two arc-shaped tapered in the CPW ground plane. Two stop frequency bands are obtained by inserting three microstrip slot-stubs in the inner of the proposed circular ring patch. The two notched bands can be controlled by adjusting the length and the width of the microstrip slot-stubs. Simulated results of the notched bands UWB antenna show that the proposed antenna with compact size of 30×22.4mm2,has an impedance bandwidth range from 2.7GHz to 9.3GHz for voltage standing-wave ratio less than 2,except two notch band frequency 3.9GHz-4.9GHz and 6.0GHz-7.8GHz for C-band satellite communications.
Keywords :
antenna feeds; coplanar waveguides; impedance matching; loop antennas; microstrip antennas; monopole antennas; satellite communication; ultra wideband antennas; C-band satellite communications; CPW ground plane; CPW-fed loop antenna; UWB applications; UWB monopole antenna; arc-shaped tapered; bandwidth 2.7 GHz to 9.3 GHz; circular ring patch; coplanar waveguide fed circular ring ultra-wideband monopole antenna; frequency 3.9 GHz to 4.9 GHz; frequency 6.0 GHz to 7.8 GHz; impedance bandwidth range; microstrip slot-stubs; multinotch band; notch band frequency; notched bands UWB antenna; notched functions; stop frequency bands; voltage standing-wave ratio; Antennas; Couplings; Educational institutions; Impedance; Irrigation; Spline; Notched band function; Slot-stubs; Ultra-wideband antenna (UWB); coplanar wave guide (CPW);
Conference_Titel :
Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), 2011
Conference_Location :
Harbin
Print_ISBN :
978-1-4244-9792-8
DOI :
10.1109/CSQRWC.2011.6036958
