Title :
A Novel UWB Antenna With Dual Notched Bands for WiMAX and WLAN Applications
Author :
Jiang, Wen ; Che, Wenquan
Author_Institution :
Dept. of Commun. Eng., Nanjing Univ. of Sci. & Technol., Nanjing, China
fDate :
7/4/1905 12:00:00 AM
Abstract :
A novel planar ultrawideband (UWB) antenna with dual notched bands is proposed and investigated. The antenna consists of a square patch and a modified grounded plane. To realize dual notched bands characteristics, a T-shaped stub embedded in the square slot of the radiation patch and a pair of U-shaped parasitic strips beside the feed line is used. The advantage of this antenna is the high rejection level in the stopband. The measured results show that the proposed dual-notched-bands planar antenna shows a very wide bandwidth from 2.8 to 11.0 GHz defined by voltage standing wave ratio VSWR <; 2, with two notched bands of 3.3-4.0 GHz (WiMAX band) and 5.05-5.90 GHz (WLAN band), respectively. Both the experimental and simulated results of the proposed antenna are presented, indicating that the antenna is a good candidate for various UWB applications.
Keywords :
WiMax; multifrequency antennas; planar antennas; ultra wideband antennas; wireless LAN; T-shaped stub; U-shaped parasitic strips; UWB antenna; WLAN application; WiMAX; dual notched bands planar antenna; feed line; modified grounded plane; planar ultrawideband antenna; radiation patch; square patch; square slot; voltage standing wave ratio; Antenna measurements; Antenna radiation patterns; Frequency measurement; Gain; Impedance; Ultra wideband antennas; Dual notched bands; planar antenna; ultrawideband (UWB) antenna;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2012.2190490
