Broadband shorted patch antenna with monopole-like radiation patterns

The design of a shorted square patch antenna with broadband operation is presented. By placing an additional shorting wall at the edge of a planar inverted‐F antenna (PIFA) with a U‐shaped slot, the antenna can provide stable monopole‐like conical radiation patterns within the operating bandwidth. A...

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Bibliographic Details
Published in:Microwave and optical technology letters 2006-09, Vol.48 (9), p.1704-1707, Article 1704
Main Authors: Liou, Yen-Yu, Row, Jeen-Sheen, Han, Tuan-Yung
Format: Article
Language:English
Subjects:
broadband operation
monopole-like pattern
patch antenna
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Summary:The design of a shorted square patch antenna with broadband operation is presented. By placing an additional shorting wall at the edge of a planar inverted‐F antenna (PIFA) with a U‐shaped slot, the antenna can provide stable monopole‐like conical radiation patterns within the operating bandwidth. An antenna prototype designed for IEEE 802.11a band is completed and tested. The measured results show the 10 dB impedance bandwidth of more than 30% can be obtained while the side length of the square patch is about 0.3 free‐space wavelengths and the antenna height is less than 0.08 free‐space wavelengths. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1704–1707, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21753
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.21753