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Four types of EBG structures are proposed and used in the design of a patch antenna array to improve the bandwidth, gain and reduce the overall array size. The four ground plane designs for the 2 × 2 microstrip patch antenna array (MPAA) are; spiral artificial magnetic conductor (SAMC) ground plane, an SAMC embedded with a large spiral artificial magnetic conductor (LSAMC), an SAMC embedded with small...
This paper presents a novel wide beam UWB direction antenna for 1~2GHz distributional through-the-wall detection system. For the requirement of large coverage area, more than 140° aspect beam over the ultra wide band directional antenna is designed. The antenna consists of a basic reduced ground plane antenna and an additional reflection structure at one side of the patch. The reflection ground structure...
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