Effect of air gap on cylindrical dielectric resonator antenna operating in TM01 mode

1994 ◽  
Vol 30 (2) ◽  
pp. 97-98 ◽  
Author(s):  
G.P. Junker ◽  
A.A. Kishk ◽  
D. Kajfez ◽  
A.W. Glisson
Keyword(s):  
Dielectric Resonator ◽  
Air Gap ◽  
Dielectric Resonator Antenna

Effect of an air gap around the coaxial probe exciting a cylindrical dielectric resonator antenna

1994 ◽  
Vol 30 (3) ◽  
pp. 177-178 ◽  
Author(s):  
G.P. Junker ◽  
A.A. Kishk ◽  
A.W. Glisson ◽  
D. Kajfez
Keyword(s):  
Dielectric Resonator ◽  
Air Gap ◽  
Dielectric Resonator Antenna ◽  
Coaxial Probe

scholarly journals Improved Design of a Broadband Dielectric Resonator Antenna with Wide Beam

2018 ◽  
Vol 2018 ◽  
pp. 1-7
Author(s):  
Yan He ◽  
Weihua Wang ◽  
Hu Yang ◽  
Xiangyu Du
Keyword(s):  
Dielectric Resonator ◽  
Beam Width ◽  
Air Gap ◽  
Impedance Bandwidth ◽  
Dielectric Resonator Antenna ◽  
Excellent Performance ◽  
Wide Beam ◽  
Broad Bandwidth ◽  
Improved Design ◽  
Good Agreement

A wide-beam and broadband dielectric resonator antenna (DRA) with broadside pattern is proposed and analyzed. The excellent performance of wide beam is achieved by designing the metal ground. In addition, the antenna has broad bandwidth by introducing an air gap between the dielectric resonator (DR) and the ground. From simulated results, the impedance bandwidth (S11 < −10 dB) of the proposed antenna is about 35%, from 2.8 to 4 GHz, and the maximum 3 dB beam width in H-plane is greater than 210°. A prototype of the proposed DRA is produced and tested. Good agreement between the simulated and measured results is achieved.

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