Differential-fed stacked patch antenna

摘要

An antenna system includes a stacked patch antenna ( 100 ) comprising two or more patch antennas symmetrically aligned around an axis. The stacked patch antenna ( 100 ) comprises a differential feed patch antenna. The two or more patch antennas include a first patch antenna ( 105 ) and a second patch antenna ( 110 ). At least a portion of the second patch antenna ( 110 ) serves as a ground plane for the first patch antenna ( 105 ).