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Array of Horns Fed by a Transverse Slotted Groove Gap Waveguide at 28 GHz
Malcolm Ng Mou Kehn1, Chih-Kai Hsieh1, Eva Rajo-Iglesias2
1Department of Electrical Engineering, National Chiao Tung University, As Well As the "Center for mmWave Smart Radar Systems and Technologies" at the Same University Under the Featured Areas Research Center Program within the Framework of the Higher Education Sprout Project by the Ministry of Education (MOE), Hsinchu 30010, Taiwan.
Abstract:
An array of low profile horns fed by transverse slots on a groove gap waveguide (GGWG) is presented. The GGWG is implemented with glide symmetrical holes and the design frequency is 28 GHz. The low profile horns are integrated in the same waveguide wall as the slots. The designed antenna is a linear array of these horns but the solution can be easily extended to a planar array. Experimental results support this work. The designed antenna is a good candidate for applications related to 5G technologies where medium to high gains as well as high efficiencies are required and reasonable manufacturing costs are demanded.
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