Design of a Smartwatch for IoT Application under 5G Environment

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Abstract
In this paper, a novel design of a smartwatch for the Internet of Things (IoT) is proposed. The ergonomic features of its wearability have been investigated and analyzed. Based on the results, the exterior design is proposed. Meanwhile, an ultrawideband Vivaldi antenna is designed under the constraints of structural parameters. The operating bandwidth of the antenna starts from 22.9GHz to more than 50GHz, covering the whole 5G millimeter frequency band. The antenna performance with practical boundary conditions is also analyzed. With the integration with the 5G environment, all the devices connected in IoT are able to conveniently interact with users through the smartwatch.

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