Abstract
In the recent times, there are a continuous development and distinctive growth in the implementation of wearable sensors and flexible devices in real lifes. These devices are exploited to monitor signals in healthcase applications, for the intents of geo‐positioning of the rescue, and in military personnel. There are abundant of frequency bands have been introduced worldwide such for the narrow-band versions 2.36–2.40 GHz for the medical body area network, 2.40–2.48 GHz as the industrial, scientific, and medical band, and 3.1–10.6 GHz for the ultra‐wideband applications. In designing of wearable antennas, we find many challenges due to the practical implementation of antennas next to human body. The human body presents as very loss structures and its presence affects the form of the radiation pattern of the antenna and also can shift its operational frequency. Moreover, placement of the antenna on convex structures with different curvature radii also affects its performance due to overall change in electrical length. In this study, we analyze wearable antennas based on textile flexible materials for WBAN implementation. The type of the antennas is a metasurface implementation of microstrip antennas. In this way, we can reduce the thickness of the material significantly to prevent the radiation efficiency of the antennas. We will observe the bending effect on the radiation patterns of the antenna.
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More From: Journal of Telecommunication Electronics and Control Engineering (JTECE)
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