Journal Article10.1109/jiot.2023.3315350
A Monopolar Metasurface Dielectric Resonator Antenna With Wide Bandwidth for IoT Applications
Kwok Kan So,Hang Wong +1 more
TL;DR: A novel metasurface (MS) antenna for the network of Internet of Things (IoT) gateway that combines the MS with a dielectric resonator antenna (DRA) to provide a stable conical radiation pattern over the entire operating bandwidth in its compact size.
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Abstract: This work introduces a novel metasurface (MS) antenna for the network of Internet of Things (IoT) gateway. The suggested antenna technology combines the MS with a dielectric resonator antenna (DRA) to provide a stable conical radiation pattern over the entire operating bandwidth in its compact size. This invention aims at increasing the structural suitability while maintaining good radiation characteristics, including wide bandwidth, high efficiency, omnidirectional radiation, and low-cross-polarized level. First, a compact DRA with a small ground is studied. Then, the MS loaded on the DRA with a pair of shorting walls is investigated. The proposed antenna is reduced by 96.5% of volume in comparison to a commercial monopole base-station antenna as well as a conical-radiation indoor antenna. This devoted antenna design is a good candidate applied to large-scale IoT networks of airports, train stations, logistic centers, hospitals, libraries, supermarkets, and super stores.
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References
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TL;DR: This paper will present and discuss the technical solutions and best-practice guidelines adopted in the Padova Smart City project, a proof-of-concept deployment of an IoT island in the city of Padova, Italy, performed in collaboration with the city municipality.
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