Title :
A Planar UWB Patch-Dipole Antenna
Author :
Toh, Wee Kian ; Qing, Xianming ; Chen, Zhi Ning
Author_Institution :
RF & Opt. Dept., Inst. for Infocomm Res. (IIR), Singapore, Singapore
Abstract :
A planar dipole antenna is presented for ultrawideband applications. The proposed antenna consists of two patches forming a half-wavelength center-fed dipole. The differentially-fed dipole couples with an integrated balun-transformer and ground plane to achieve a stable broadside radiation pattern and consistent gain of 7.5-8.8 dBi. An impedance bandwidth from 3.1-4.8 GHz (43%) for a reflection coefficient of |S11 | <; -10 dB has been achieved.
Keywords :
antenna radiation patterns; baluns; dipole antennas; microstrip antennas; planar antennas; ultra wideband antennas; broadside radiation pattern; frequency 3.1 GHz to 4.8 GHz; ground plane; half-wavelength center-fed dipole; integrated balun-transformer; planar ultra wideband patch-dipole antenna; reflection coefficient; Antenna radiation patterns; Broadband antennas; Broadband communication; Dipole antennas; Gain; Broadband antennas; UWB antennas; dipole antennas; microstrip antennas; patch antennas; reflector antennas;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2011.2161553
