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In this paper, a novel 4 elements GPS antenna array with UC-EBG structure is proposed for GPS navigation application. In order to achieve higher gain and lower backward radiation, the UC-EBG structure is added into the 4 elements antenna array. The effects of the UC-EBG structure on reflection coefficient and radiation performance are investigated. It is found that the gain and backward radiation...
Two different electromagnetic bandgap (EBG) superstrate array antenna configurations, intended for the wide area augmentation service space segment, are presented in this paper. The described antenna configurations take advantage of the directivity enhancement produced by a semireflective sheet placed parallel to a metallic ground plane. The first design presented is realized using a 2times2 circularly...
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