Abstract:International audienceThis article presents a new design of an UHF RFID reader antenna with a circular polarization and radiation pattern in one hemisphere. This antenna consists of two parts which are a radiating element and an artificial magnetic conductor (AMC) structure. The radiating element is based on a slot ring antenna using a folding technique for rings and only one feeding source while keeping a circular polarization. The AMC structure is a simple patch structure using a size reduction technique. Th… Show more
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