Conformal Quad-Port UWB MIMO Antenna for Body-Worn Applications

Table 3

Comparison of the proposed wristband antenna with the existing designs.

Ref.	Size ( × )	Ports	Substrate	Bandwidth (GHz)	Diversity type	Isolation (dB)
[21]	0.616 × 0.51	4	Plexi glass	24.1–27.18, 33–44.13	—	>16
[22]	0.05 × 0.05	2	Roger RO4003 C	5.2–6.3	Polarization/pattern	>22
[23]	0.443 × 0.22	8	FR-4	3.1–6	Spatial	<10
[24]	0.095 × 0.014	2	FR-4	3.33–3.67	Pattern	>14
[25]	0.0148 × 0.0148	2	RO4350	0.665–1.3, 1.415–2, 2.42–3.09, 3.18–3.89	—	>11.7
[26]	0.32 × 0.32	3	Taconic TLY-5	4.63–5.87	Pattern	>16.5
[27]	0.996 × 0.126	2	Coloured plastic	7.96–8.76	—	>21
[28]	0.095 × 0.095	2	FR-4	2.18–2.85	Polarization	>13
[29]	0.214 × 0.214	4	FR-4	1.71–3.94	—	>26
[30]	0.158 × 0.1	2	Jean	2.74–12.33	—	>26
Prop.	0.437 × 0.025	4	Silicone rubber	2.1–2.6, 3.1–12	Pattern	>22