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A single-fed miniaturized circularly polarized (CP) microstrip patch antenna is designed and experimentally demonstrated for biomedical applications. The proposed antenna is designed utilizing the capacitive loading on the radiator. Compared with a square patch antenna, the proposed antenna has achieved a significant size-reduction of ∼72%. The footprint of proposed antenna is 10×10×1.27 mm3. The...
Two different reconfigurable techniques for spectrum-monitoring antenna are presented. The first method inserts high-performance RF-MEMS switches along the microstrip feed line and back slot of a Vivaldi antenna for switching between three frequency bands centered at 2, 3.5 and 5.25 GHz. The second method collocates three different excitations in the defined space and utilise a common aperture for...
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