Title :
Bandwidth Enhancement and Radiation Characteristics Improvement of Rectangular Dielectric Resonator Antenna
Author :
Khalily, Mohsen ; Rahim, M.K.A. ; Kishk, Ahmed A.
Author_Institution :
Radio Commun. Eng. Dept., Univ. Teknol. Malaysia, Skudai, Malaysia
fDate :
7/3/1905 12:00:00 AM
Abstract :
Abstract-A simple, compact, wideband rectangular dielectric resonator antenna (RDRA) is presented. The bandwidth is enhanced using a proper tapered strip excitation from one side of the DR. The radiation characteristics are improved by adding a shorted narrow strip to the opposite side of the excitation. In addition, by using this shorted strip, further improvement of the bandwidth is obtained. A parametric study on the strip dimension is carried out. The proposed DRA with good radiation characteristics offers a measured bandwidth of 96% between 2.13 and 6.08 GHz for VSWR <; 2.
Keywords :
antenna radiation patterns; dielectric resonator antennas; RDRA; bandwidth enhancement; compact wideband rectangular dielectric resonator antenna; frequency 2.13 GHz; frequency 6.08 GHz; radiation characteristics improvement; shorted strip dimension; tapered strip excitation; Antenna measurements; Antenna radiation patterns; Bandwidth; Dielectric resonator antennas; Dielectrics; Dielectric resonator antenna (DRA); grounded strip; wideband antenna;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2011.2144558
