[IEEE 2019 49th European Microwave Conference (EuMC) - Paris, France (2019.10.1-2019.10.3)] 2019 49th European Microwave Conference (EuMC) - A 60GHz Wideband Antenna Array Based on Metasurface with Gap Waveguide (GWG) Divider

摘要： A wideband metasurface excited by a 1×2 slot array coupled to a gap waveguide (GWG) is presented. To enhance the matching bandwidth and gain of slot array, quasi-TM30 mode is introduced by 3×3 subwavelength patch matrices. A low cost GWG divider is optimized to obtain low transmission loss, in which electromagnetic bandgap structures are placed on both sides of transmission line. The antenna array is fabricated based on Rogers 4350b.The simulated -10 dB |??????| is from 49.3 GHz to 65 GHz (27%), the measured one is from 48.5 GHz to 64.8 GHz, covering 57 GHz-64 GHz mmW unlicensed band. The maximum gain is 11.8 dB over matching bandwidth.