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This paper presents the performance of a single-feed triangular planar inverted-F antenna with a V-shaped slot. Several prototypes of the proposed antennas with different shorting-wall widths are studied experimentally. The obtained results show that, by selecting a proper shorting-wall width, the proposed antenna not only has dual-frequency characteristic but also can achieve the impedance bandwidth of more than 30% in higher operating frequency band. In addition, the radiation pattern across the entire operating bandwidth is measured and discussed.
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Jeen‐Sheen Row (2005) studied this question.
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