Clover-Shaped Antenna for Ultra-Wideband Communications

In this paper, a clover-shaped microstrip patch antenna for application under an Ultra-Wide Band (3.1–10.6 GHz) is designed and fabricated. To obtain sufficient bandwidth when the Return Loss is < −10 dB, a partial ground plane and coaxial probe source is used. The measured bandwidth of the fabricated antenna is 8.25 GHz when VSWR <2. Referenced to the center frequency, the gain is 3.20–4.00 dBi. The experimental 3-dB beam width (HPBW) in the azimuth and elevation are 55.35° and 62.27°, respectively. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2111–2113, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21869

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