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Sensors 2019, 19(8), 1804; https://doi.org/10.3390/s19081804

Bend and Moisture Effects on the Performance of a U-Shaped Slotted Wearable Antenna for Off-Body Communications in an Industrial Scientific Medical (ISM) 2.4 GHz Band

Department of Signal Theory and Communications, Escuela Politécnica Superior, Universidad de Alcalá, Campus Universitario, Ctra. de Madrid a Barcelona km 33.600, 28805 Alcalá de Henares, Spain
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Received: 13 March 2019 / Revised: 12 April 2019 / Accepted: 13 April 2019 / Published: 15 April 2019
(This article belongs to the Special Issue Wireless Sensing Systems for Body Area Networks)
PDF [1881 KB, uploaded 15 April 2019]

Abstract

In recent years, the study and design of wearable antennas have been empowered given the success of Wireless Body Area Networks (WBAN) for healthcare and medical purposes. This work analyses a flexible textile antenna whose performance can be optimised by the careful selection of the substrate thickness of the textile material, and by varying the antenna’s geometrical shape. After considering these parameters, several arrangements of antennas were simulated using the Computer Simulation Technology software (CST). The results of the simulations were compared to the experimental prototypes manufactured on a flexible felt material for a range of thicknesses and curvatures of the antenna substrate. Such antenna designs can be utilised in off-body communications and ISM applications.
Keywords: wearable antennas; WBAN; ISM; moisture; bend wearable antennas; WBAN; ISM; moisture; bend
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sanchez-Montero, R.; Lopez-Espi, P.-L.; Alen-Cordero, C.; Martinez-Rojas, J.-A. Bend and Moisture Effects on the Performance of a U-Shaped Slotted Wearable Antenna for Off-Body Communications in an Industrial Scientific Medical (ISM) 2.4 GHz Band. Sensors 2019, 19, 1804.

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