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A new compact printed monopole antenna with dual-wideband characteristics is presented for simultaneously satisfying wireless local area network and worldwide interoperability for microwave access applications. The antenna structure consists of a circular monopole with a microstrip feed-line for excitation and a hexagon conductor-backed parasitic plane. The antenna has a small size of 13 mm × 26 mm × 1 mm.
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Koohestani et al. (2011) studied this question.
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