Various Textiles-Based Comparative Analysis of a Millimeter Wave Miniaturized Novel Antenna Design for Body-Centric Communications

Table 7

Free-space performance summary of the antenna for different textiles.

Substrate	Relative permittivity	Thickness (mm)	Center frequency (GHz)	Bandwidth (GHz)	Gain (dBi)	Radiation efficiency (%)
100% polyester	1.9	1.5	60.06	11.578	8.531	89.69
Jeans	1.7	1	58.5	15.094	7.841	93.19
Denim	1.87813	1.5	60.36	11.505	8.653	89.91
Silk	1.75	1.16	56.82	14.439	8.298	92.33
Tween	1.69	1.37	60.3	12.818	9.138	91.88
Panama	2.12	1.04	53.069	14.184	8.864	91.48
Felt	1.38	1.38	68.772	12.507	9.824	93.64
Moleskin	1.45	1.17	67.11	15.141	8.862	93.87
Cotton	1.63	1.5	64.05	11.357	9.686	91.58
Quartzel fabric	1.95	1.5	59.4	11.515	8.217	89.16
Cordura/Lycra	1.5	0.5	50.97	9.052	5.213	95.49