Design and Analysis of UWB MIMO Antenna for Smart Fabric Communications

Table 2

Comparison of the proposed work with existing literature.

Ref.	Unit cell area	Frequency (GHz)	Bandwidth (GHz)	Substrate	Peak gain (dBi)	SAR analysis
[7]	0.51 × 0.39	2.4	0.08	Felt	4.83	Yes
[29]	0.4 × 0.97	0.915	0.06	Felt	2.19	—
[39]	0.06 × 0.24	0.915	0.03	Denim, polyester	1.88, 1.57	—
[40]	0.54 × 0.54	2.45, 4.25	0.23, 0.27	Leather	0.29, 3.05	—
[41]	0.32 × 0.57	5.8	0.15	Fabric	2.8	—
[42]	0.38 × 1.9	0.9	0.2	Cotton	3.25	—
[43]	0.23 × 0.17	2.45, 3.5, 5.5	0.19, 0.22, 2.18	FR-4	1.3, 2.9, 4.3	—
[44]	0.25 × 0.25	3.1–10.6	10	FR-4	4	—
[45]	0.22 × 0.16	3.1–10.6	11.7	FR-4	1.1-4.3	—
[46]	0.17 × 0.21	3.1–10.6	12	FR-4	4.3	—
[47]	0.258 × 0.21	3.1–10.6	8.9	Polyester	4.62	Yes
Proposed work	0.26 × 0.16	3.1–10.6	9.1	Cotton	4.84	Yes