Watchstrap-Embedded Four-Element Multiple-Input–Multiple-Output Antenna Design for a Smartwatch in 5.2–5.8 GHz Wireless Applications

Figure 16

SAR simulation models worn on the wrist (a): Ant1 (b), Ant2 (c), and Ant1–Ant4 (at 5.5 GHz).

(a)

(b)

(c)