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

Table 11

Comparison with other articles.

Antenna	Size length (L) and width (), mm	Relative permittivity	Substrate material	Bandwidth (GHz) at −10 dB	Gain (dBi)	Efficiency (%)	Antenna type
Reference [9]	50×	2	Cotton	55–65	8.6	41	Array
Reference [10]	26 × 8	1.5	Cotton	57–64	9	74	Yagi-Uda
Reference [21]	12.2 × 12	1.9	100% polyester	11.632	5.96	58.03	Slotted patch
Reference [22]	12.9 × 14	4.3	FR-4	12.11	8.62	82.15	Q-slot
This study	7 × 4.5	1.63	Cotton	40–80	6.74	93.3	Single antenna

Exact value not provided.