Antenna Beam forming Technology Based Enhanced Metamaterial Superstrates

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Bashar B.S.
Rhazali Z.A.
Elwi T.A.
Misran H.
Ismail M.M.
Mahdi M.
Alanssari A.I.
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Institute of Electrical and Electronics Engineers Inc.
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The proposed antenna system is designed for modern wireless communication technologies. Therefore, to match the modern applications, the proposed antenna is structured to provide multi-frequency bands with enhanced gain at the frequency band of interest. Consequently, the proposed antenna is consistent of two patches: The first, or the main patch, is a square patch layer is mounted on Taconic FR-30 substrate. The second patch is constructed as a meander ring with two stubs to increase the generated frequency bands. Nevertheless, the proposed patch is shaped as V-shape line to ensure antenna beam splitting at the desired frequency bands. The second patch is excited by the first patch by capacitive coupling; where, the first patch is excited by conduction with 50? discrete port. On the other hand, a metasurface layer is introduced to the proposed design mounted on the second antenna patch, as superstrate, to increase the antenna gain toward the bore-sight direction. Thus, it is found that the proposed antenna shows a maximum gain of 8dBi at 4.2GHz with maximum dimensions of 108� 108mm2. The proposed antenna operates at other frequency bands at 2.6GHz, 4.2GHz, and 5.6GHz with acceptable return losses of -16.8dB, -12.3dB and -30.6dB, sequentially. The antenna designed numerically using CST MWS software package. � 2022 IEEE.
Beam forming networks; Beamforming; Metamaterials; Slot antennas; Antenna beams; Antenna system; Beam splitting; Beam-forming; Forming technology; Modern applications; SMPA; Superstrates; Technology-based; Wireless communication technology; Microstrip antennas