A broadband quarter-wa¨elength patch antenna with a U-slot is presented. Using a foam layer of thickness ; 0.07 as a 0 ( ) supported substrate, an impedance bandwidth of 27% SWR F 2 has been obtained. The far-field patterns are stable across the passband. ᮊ
Broadband shorted-patch antenna with U-shaped coupling slot
✍ Scribed by Kun-Joon Lee; Young-Sik Kim
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 585 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A shorted‐patch antenna with a U‐shaped coupling slot for broadband operation is presented.The U‐shaped coupling slot etched on the ground plane is located in close proximity to the shorting wall to obtain a good impedance matching. Using an L‐shaped shorting wall with a height of about 6% wavelength at the center operating frequency and a U‐shaped coupling slot, the proposed microstrip patch antenna has a compact size and broadband operation. The proposed antenna yields a wide bandwidth of about 33.6% and a peak gain of 4.2 dBi. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2566–2569, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26339
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