In this paper, a dual-beam end-fire Bow-tie antenna for millimeter-wave applications over 57–64 GHz is designed. By introducing a new structure in the decoration of metamaterial slabs in the horizontal plane of the Bowtie antenna, a dual-beam generated at 60°
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In this paper, a dual-beam end-fire Bow-tie antenna for millimeter-wave applications over 57–64 GHz is designed. By introducing a new structure in the decoration of metamaterial slabs in the horizontal plane of the Bowtie antenna, a dual-beam generated at 60° and 120°. The proposed antenna is composed of a 2×3 array of metamaterial unit cells, which leads to a considerable gain enhancement and generates a dual-beam pattern. To create a dual-beam in the E-plane, the array of metamaterial slabs integrated vertically in front of the Bowtie antenna and tilted by 15o with regard to the antenna axis to tailor the radiation beam. These unit cells are capable of creating two resonances that can play an important role to improve the gain in a wide frequency band. The resulting dual-beam radiation in the E-plane has maxima at +60 and 120 degrees with a maximum peak gain of 9.5 dBi at 60 GHz. The final design simulated with a parametric study, and the best configuration provided despite the maintenance of other radiation characteristics of the antenna.Keywords: End-Fire Antenna, dual-beam Antenna, ENZ Metamaterial unit-cell, Millimeter-Wave, High-Gain Antenna.
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