Title :
A Compact CPW-fed Planar Ultra-wideband Antenna with a Frequency Notch Characteristic
Author :
Chu, Qing-Xin ; Yang, Ying-Ying
Author_Institution :
Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou
Abstract :
A compact and simple design of a CPW-fed planar antenna for ultra-wideband application with a band-notch characteristic is presented. The proposed antenna consists of a rectangular metal patch on a printed circuit board fed by a 50-Omega coplanar waveguide (CPW). By cutting a C-shaped slot in the rectangular radiating patch, a frequency band notch will be created. The proposed antenna yields an impedance bandwidth of 3.1-10.6 GHz with VSWR<2, except the bandwidth of 5-6 GHz for WLAN. The bandwidth and central frequency of the notched band can be adjusted with ease by proper selection of C-shaped slot parameters simulated by the electromagnetic software Ansoft HFSS 10. The antenna is successfully simulated, designed, and measured showing broadband matched impedance, stable gain and radiation patterns.
Keywords :
antenna feeds; antenna radiation patterns; coplanar waveguides; printed circuits; slot antennas; ultra wideband antennas; wireless LAN; C-shaped slot parameters; WLAN; bandnotch characteristics; bandwidth 3.1 GHz to 10.6 GHz; bandwidth 5 GHz to 6 GHz; compact CPW-fed planar ultrawideband antenna; electromagnetic software Ansoft HFSS 10; frequency notch characteristic; impedance bandwidth; printed circuit board; rectangular metal patch; rectangular radiating patch; Bandwidth; Broadband antennas; Coplanar waveguides; Electromagnetic waveguides; Frequency; Impedance; Planar arrays; Printed circuits; Ultra wideband antennas; Ultra wideband technology; C-shaped slot; band-notch characteristics; coplanar waveguide (CPW) fed antennas; ultra-wideband (UWB) antennas;
Conference_Titel :
Microwave Conference, 2007. APMC 2007. Asia-Pacific
Conference_Location :
Bangkok
Print_ISBN :
978-1-4244-0748-4
Electronic_ISBN :
978-1-4244-0749-1
DOI :
10.1109/APMC.2007.4554991
