Abstract
Classical microstrip patch antenna fabricated on a dielectric substrate suffers from poor gain, efficiency, and high cross polarization due to the automatic excitation of TM <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> surface wave. It also radiates strong fields along the horizon which is susceptible to multiple-input–multiple-output (MIMO) or array configurations. In view of this, a separate class of circular microstrip antenna known as the reduced surface wave (RSW) circular patch antenna has been proposed with a pair of shorting strips. Unlike earlier RSW-inspired antennas that mainly confirmed their ability for the successful reduction in the mutual coupling between array elements, here, and the enhancement of radiation properties is considered.
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