Journal
2023 INTERNATIONAL MICROWAVE AND ANTENNA SYMPOSIUM, IMAS
Volume -, Issue -, Pages 53-55Publisher
IEEE
DOI: 10.1109/IMAS55807.2023.10066944
Keywords
Beam Switching; CDRA; Helix
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This paper presents a simple approach to switch the radiation beam of a Cylindrical Dielectric Resonator Antenna (CDRA) in two directions for S-band applications using a helical wire. The proposed antenna can alter its radiation pattern to focus energy in two specified directions while reducing gain in other undesired directions, without changing the antenna impedance bandwidth.
In this paper, a simple approach is presented toward switching the radiation beam of the Cylindrical Dielectric Resonator Antenna (CDRA) using helical wire in two directions for S-band applications. The antenna radiation pattern may be altered to focus energy in two specified directions by introducing helix while reducing gain in other undesirable directions without changing the antenna impedance bandwidth because of its structural symmetry. The investigation of the proposed beam switching CDRA is designed and simulated using electromagnetic simulation. The proposed antenna has an impedance bandwidth of 50.10% and a simulated bandwidth that ranges from 1.78 GHz to 2.97 GHz. The proposed antenna is capable to switch the beam in two directions at 2.4 GHz.
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