Abu T. M. Sayem

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—A reconfigurable stacked microstrip patch antenna is proposed. The antenna operates at an upper frequency f u with a broadside pattern, 7.5-dBi right-hand circularly polarized gain, and 15.8% bandwidth. At a lower frequency f l , the antenna operates as a planar inverted-F antenna (7.3% bandwidth and 3.9-dBi peak gain) with the main beam directed close to(More)
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