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A planar antenna fed by an over-sized hollow metal waveguide, whose top plane consists of slit array etched on a copper-coated dielectric substrate, has been proposed at 60GHz band. We tried to make a uniform aperture distribution on the slit array to improve the antenna efficiency. The gain was not however increased and the radiation pattern was degraded compared with that based on the Kirchhoff's...
Time-reversed electromagnetic wave has the property of spatial super-resolution focusing in far-field circumstances. This paper provides a novel method to design compact multi-antenna for wireless communication system using time reversal super-resolution property. A new type of planar microstructured antennas with the super-resolution of 1/15 wavelength is constructed and simulated with the aid of...
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