Dedicated short-range communications (DSRCs) is a short-to-medium range wireless protocol designed for automotive systems. This article describes the development of a one-layer compact left-hand circularly polarized antenna with a footprint and characteristics suitable for on-board-unit antenna of a DSRC system. The size of the developed prototype is 40 × 40 × 1.55 mm3 and exhibits a circularly polarized gain of about 4.68 dBc with a cross polarization discrimination of about 22.5 dB.
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Leonardi et al. (2014) studied this question.
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