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.
Highlights
In the last decade, a top priority for most governments has been to reduce healthcare expenditure due to larger numbers of elderly people
In [28], the return loss increasing in a single feed rectangular-ring textile antenna for ISM band due to bending effect is studied for two curvature five selected textile materials, applied as antenna substrate, were analysed3 ofin18a different humidity condition
The influence of substrate thickness on the antenna reflection coefficient was analysed influence of substrate on for the substrate antenna reflection coefficient analysed for Initially, a dry flatthe antenna
Summary
A top priority for most governments has been to reduce healthcare expenditure due to larger numbers of elderly people. Jalil et al [27] studied the effect on the performance of an antenna subjected to bending and wetting for GSM, WIFI and WLAN was analysed for a fixed low thickness Denim substrate. In [28], the return loss increasing in a single feed rectangular-ring textile antenna for ISM band due to bending effect is studied for two curvature five selected textile materials, applied as antenna substrate, were analysed ofin18a different humidity condition. Have carried out a detailed study related to an antenna array They single feed rectangular-ring textile antenna for ISM band due to bending effect is studied for two analysed the influence of the relative humidity and the bending effects, when the array is placed oncurvature. The the paper is arranged follows:humidity antenna and design, and variables are defined on-body and covered by different textile taken into account of the carried return losses
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