Referenced Items are not available for this document.
A new dielectric resonator antenna (DRA) is introduced for ultrawideband applications. A rectangular dielectric resonator, a bevel feeding patch and an airgap between the DR and ground plane are used to obtain an ultrawideband impedance bandwidth. The effective dielectric constant and the Q-factor can be reduced by using the airgap and the bevel-shaped feeding mechanism, which can provide a smooth transition from one resonant mode to another. Measured results demonstrate that the proposed DRA has a wide bandwidth from 2.6 to 11 GHz with VSWR less than two, covering the frequency range of more than 120 . Experimental and numerical results are carried out and discussed, showing good agreement.
Published in:
Electronics Letters
(Volume:45
,
Issue:
24
)
Date of Publication: November 19 2009
- Page(s):
- 1210 - 1212
- ISSN :
- 0013-5194
- INSPEC Accession Number:
- 10995620
- Digital Object Identifier :
- 10.1049/el.2009.2210
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 08 December 2009
- Issue Date :
- November 19 2009
- Sponsored by :
- Institution of Engineering and Technology
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