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Novel inverted-F antennas, double-wire (DW-IFA) and double-strip (DS-IFA) were developed for f0=2.45 GHz, and a 0.8λ0 in size square ground plate. The antennas are distinctive for their wideband match performance, 12% (numerical) for DW-IFA and 18% (numerical)/17% (experimental) for DS-IFA, and radiation characteristics suitable for the mobile environment scenario.
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Olmos et al. (2002) studied this question.
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