Journal
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING
Volume 32, Issue 6, Pages -Publisher
WILEY
DOI: 10.1002/mmce.23147
Keywords
beam deflection; dipole antenna; 5G communication; metasurface; millimeter-wave antenna
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This article presents the use of a metasurface (MTS) to deflect the radiation beam of a mm-Wave antenna. The MTS, consisting of phase gradient resonators, is used to transform the incoming wavefront into a tilted planar wavefront. The MTS is fed via a gain enhanced dipole antenna with a tilted radiation beam. By printing a high refractive index surface in front of the radiator, the gain of the dipole antenna is enhanced. The prototype antenna covers the 27-30 GHz band and achieves a beam tilt of 20 degrees using the MTS, with a peak gain of 10 dB.
In this article, radiation beam deflection of a mm-Wave antenna is presented using a metasurface (MTS). The beam tilting MTS consists of phase gradient resonators to transform an incoming wavefront to a tilted planar wavefront. The MTS is fed via gain enhanced dipole antenna having a tilted radiation beam. The gain of the dipole antenna is enhanced by printing a high refractive index surface in front of the radiator. The MTS is then loaded vertically in front of the gain enhanced dipole antenna using a 3D printed stand. The prototype antenna covers 27-30 GHz band with a tilted radiation beam. A beam tilt of 20 degrees is achieved using the MTS with a peak gain of 10 dB over the frequency band.
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