Small monopole antenna with multiresonance characteristic by using rotated T-shaped slit and parasitic structure for UWB systems

In this letter, we present a new design of small‐sized, low‐profile, and multiresonance monopole antenna for ultrawideband applications.The proposed antenna consists of a square radiating patch and a ground plane with rotated T‐shaped slit and conductor‐backed plane, which provides a wide usable fra...

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Bibliographic Details
Published in:Microwave and optical technology letters 2013-03, Vol.55 (3), p.482-485
Main Authors: Ojaroudi, Nasser, Ojaroudi, Mohammad
Format: Article
Language:English
Subjects:
Antennas
Bandwidth
Ground plane
Microwaves
Monopole antennas
printed monopole antenna
Reproduction
rotated T-shaped structure
Slits
Ultrawideband
ultrawideband communication systems
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Summary:In this letter, we present a new design of small‐sized, low‐profile, and multiresonance monopole antenna for ultrawideband applications.The proposed antenna consists of a square radiating patch and a ground plane with rotated T‐shaped slit and conductor‐backed plane, which provides a wide usable fractional bandwidth of more than 130% (3.05–15.27 GHz). By cutting a rotated T‐shaped slit on the ground plane and also by inserting rotated T‐shaped parasitic structure, additional resonances are excited and hence much wider impedance bandwidth can be produced, especially at the higher band. The designed antenna has a small size. Simulated and experimental results obtained for the proposed antenna is suitable for UWB applications. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:482–485, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27358
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.27358