Title :
A band-notched UWB log-periodic dipole antenna fed by strip line
Author :
Guo, Lin ; Huang, Fengyi ; Wang, Yan ; Tang, Xusheng
Author_Institution :
Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China
Abstract :
This paper presents a compact ultra-wideband (UWB) antenna fed by strip line. The antenna is a log-periodic dipole antenna with 18 elements. Simulation by Ansoft High Frequency Structure Simulator (HFSS) 10.0, the in-band impedances are quite stable and satisfactory. A rejected narrow frequency band is further obtained within the wideband width by inserting an H-shaped slot into the central fed line of the antenna. The antenna has a dimension of 47.8mm by 42 mm by 2mm. The simulation results show that the proposed antenna has stable directional radiation patterns, very low-profile and low fabrication cost, which are suitable for UWB system.
Keywords :
dipole antennas; log periodic antennas; ultra wideband antennas; Ansoft high frequency structure simulator; H-shaped slot; UWB system; band-notched UWB log-periodic dipole antenna; compact ultra-wideband antenna; directional radiation pattern; narrow frequency band; strip line;
Conference_Titel :
Ultra-Wideband (ICUWB), 2010 IEEE International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-5305-4
Electronic_ISBN :
978-1-4244-5306-1
DOI :
10.1109/ICUWB.2010.5616023
