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Millimeter-wave proximity-coupled microstrip antenna on an extended hemispherical dielectric lens

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2 Author(s)
Mall, L. ; Sch. of Electr. & Comput. Syst. Eng., R. Melbourne Inst. of Technol., Vic., Australia ; Waterhouse, R.B.

A low-cost, high-gain, millimeter-wave antenna is presented. The antenna is composed of a proximity-coupled microstrip patch mounted on the back surface of a substrate lens. The antenna utilizes low dielectric constant, low-cost materials and is therefore suitable to many commercial millimeter-wave systems. A full-wave analysis was developed to analyze the performance of the printed antenna and a prototype was developed for operation at 38 GHz. The impedance bandwidth of the prototype was 8% and the gain was approximately 30 dBi across this frequency span with a front-to-back ratio greater than 60 dB

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Antennas and Propagation, IEEE Transactions on  (Volume:49 ,  Issue: 12 )