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In this paper, a new approach for removing redundant components from reconfigurable antennas is presented. The approach is based on graph models and it minimizes the number of electronic components used. As an example, a reconfigurable U-Koch microstrip antenna is investigated and redundant switches are removed. The antenna is redesigned and the performance of the optimized prototypes is tested and...
In this paper, we propose a low-cost small-sized microstrip antenna based on a trapezoidal connection between a double-Sierpinski-carpet-shaped (2nd iteration) patch and an I-shaped feed line. The ground plane is partial and is flushed with the feed line. The fundamental characteristics of the proposed design over the UWB frequency band are illustrated herein.
In this paper, a small-size low-cost printed monopole antenna for ultra-wideband operation is presented. The proposed antenna, which was designed and simulated using the FEM-based HFSS, is based on a 20 mm ?? 40 mm ?? 1.6 mm FR4-epoxy dielectric, is microstrip-line fed and has a partial ground plane flushed with the feed line. To verify its frequency response, the antenna is also simulated using CST...
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