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This paper proposes a new solution for realizing a pattern reconfigurable dielectric resonator antenna (DRA) using liquid injection to the 3D-printed container. The proposed methodology solves the existing problems of PIN-diode type reconfigurable antennas in narrow bandwidth and low radiation efficiency. The proposed DRA successfully demonstrates how to manipulate HEM01δ and TM01δ modes with broadside...
We proposed a polarization-reconfigurable liquid dielectric resonator antenna (LDRA) with two switchable ± 45 ° linear polarizations. The proposed DRA is composed of three zones: the left zone, the middle zone, and the right zone. The middle zone is the common zone for both two states. When it is working at STATE 1, both the left and middle zones are filled with liquid and excited by a probe with...
A pattern reconfigurable dielectric resonator antenna (DRA) is investigated in this paper. In the design, a dielectric liquid called ethyl acetate is introduced as the radiator of the DRA. Therefore, a container is fabricated by 3D printing technology for the liquid DRA. The reconfigurability is achieved by pumping the ethyl acetate in and out to the 3D printed container. For demonstration, the antenna...
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