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In this paper, a compact low-cost electronically beam-scanning smart antenna that covers the frequency band from 2.45 GHz to 2.55 GHz is proposed. The driven element is a directional antenna composed of three Inverted F-type Antenna (IFA) elements. In addition to the driven element, there are twelve IFA parasitic elements arranged around the driven element and loaded with varactors. By tuning the...
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