International audienceIn this letter, a high-gain wideband antenna for 60 GHz wireless personal area networks is proposed. It consists of an inset-fed microstrip antenna with a partially reflecting surface (PRS) acting as a Fabry–Perot cavity. Good agreement was achieved between simulated and measured data, showing a wide bandwidth, covering two channels of the 60 GHz band and a maximum experimental gain of 16.4 dBi in the broadside direction at 60 GHz. The proposed structure meets the IEEE 802.15.3c standard requirements in terms of gain and bandwidth while the novel shape of the PRS array makes it smaller compared to existing 60 GHz Fabry–Perot antennas. Moreover, a low-cost printed circuit board technology is used to manufacture antenna prototype

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