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This letter proposes a novel, small, printed monopole antenna for ultrawideband (UWB) applications with dual band-notch function. By cutting an inverted fork-shaped slit in the ground plane, additional resonance is excited, and hence much wider impedance bandwidth can be produced. To generate dual band-notch characteristics, we use a coupled inverted U-ring strip in the radiating patch. The measured results reveal that the presented dual band-notch monopole antenna offers a wide bandwidth with two notched bands, covering all the 5.2/5.8-GHz WLAN, 3.5/5.5-GHz WiMAX, and 4-GHz C-bands. The proposed antenna has a small size of 12 × 18 mm2 or about 0.15 λ × 0.25 λ at 4.2 GHz (first resonance frequency), which has a size reduction of 28% with respect to the previous similar antenna. Simulated and measured results are presented to validate the usefulness of the proposed antenna structure UWB applications.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:12
)
Date of Publication: 2013
- Page(s):
- 182 - 185
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 13382257
- Digital Object Identifier :
- 10.1109/LAWP.2013.2245296
- Product Type:
- Journals & Magazines
- Date of Publication :
- 14 February 2013
- Date of Current Version :
- 12 March 2013
- Issue Date :
- 2013
- Sponsored by :
- IEEE Antennas and Propagation Society
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