Research Article

Design and Study of an mmWave Wearable Textile Based Compact Antenna for Healthcare Applications

Table 10

On-body performance comparison between different textile substrates.

SubstrateRelative permittivityThickness (mm)Return loss magnitude at 60 GHz (dB)Bandwidth (GHz)Gain (dBi)Radiation efficiency (%)

Cotton1.631.5−16.575.2869.20
Jeans1.71−18.558.2967.29
Denim1.878131.5−12.925.0471.94
Silk1.751.16−21.507.0966.17
Tween1.691.37−17.855.6267.65
Panama2.121.04−24.756.6667.15
Felt1.381.38−17.206.9766.61
Moleskin1.451.17−17.647.8966.29
100% polyester1.91.5−12.685.0071.19
Quartzel fabric1.951.5−12.224.8972.65
Cordura/Lycra1.50.5−12.469.6574.11