Abstract
A new type of multiband shark-fin antenna printed on 1.6 mm thick FR4 for automotive applications is presented. The antenna is mounted over a 1 m × 1 m-metal ground plane which represents a car’s roof. The overall size of the antenna is 57 mm × 40 mm × 1.6 mm which is λ/6.5 × λ/9 × λ/231.5 at the lowest frequency of operation of 0.810 GHz. The antenna is in the form of a single-sided PCB and has a measured gain of 0–6.7 dBi over the entire range of 0.810–5.84 GHz covering the mobile telephone bands (GSM, DCS and PCS), both GPS bands and Bluetooth, WiFi and V2X bands on −6 dB measured reflection coefficient criteria. The measured co-polar radiation patterns in the azimuth (XZ-plane) and elevation (YZ-plane) planes depict omnidirectional radiation behaviour.
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