M. Faridani, G. Xiao, R. Amaya, Nima Javanbakht, M. Yagoub
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A Kapton-Based Flexible Wideband Antenna with Metamaterial Resonators for Millimeter-Wave Wireless Applications
In this paper, a microstrip metamaterial antenna with eight resonator elements is proposed for wideband 5G flexible wireless devices. The proposed antenna, designed on a 0.1 mm Kapton film, exhibits a large fractional bandwidth of 57.3 %, from 21.4 GHz to 38.6 GHz. By exploiting the benefits of metamaterials, a S11 better than - 40 dB and a gain as high as 4.5 dBi were achieved over the operational bandwidth. Furthermore, the metamaterial antenna demonstrated a stable performance even being bent, i.e., less than 5% variation in bandwidth.
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