Abstract
[1] This paper presents a dual-band reflectarray antenna which operates at 0.915 and 2.4 GHz to radiate electromagnetic fields focused in the near-zone of array aperture. The design uses two stacked feed antennas operated at 0.915 and 2.4 GHz, respectively, so that the currently available RFID systems in the market can be simultaneously used in an independent fashion. Numerical investigations on the radiation characteristics of this reflectarray, as well as an experimental validation, are presented to demonstrate its feasibility.
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