Abstract
This paper introduces a 3D printed slotted waveguide linear antenna array at 28 GHz. The proposed antenna offers the advantages of low fabrication cost and reduced weight compared to the metallic slotted waveguide antenna array. The proposed design can achieve a high gain, low losses, and simplicity of fabrication. The proposed antenna geometry suggests an operating bandwidth of 15.8% (26.45 GHz – 31 GHz) suitable to fulfil 5G demands with a high gain performance of 12.0 dBi over the operating bandwidth. The proposed antenna structure is a suitable candidate for a variety of applications in the domain of 5G and beyond featuring cost-effectiveness, high gain, and very good performance overall.
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