Abstract

This paper presents a pentagonal array composed of ten elements for operation at 5.8 GHz. The proposed device operates in circular polarization exploiting the sequential rotation architecture applied to five pair of disc-based patch elements. A pentagonal sub-array is well-suited to be packed in icosahedral arrangement, which in turn is the ideal shape for smart antennas with wide angle spatial coverage. A single layer via-less prototype is simulated on a FR408 substrate. A realized gain up to 11.6dBi with a polarization purity exceeding 30 dB at 5.8 GHz is observed.

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