Research Article

Hybrid Robust Optimization for the Design of a Smartphone Metal Frame Antenna

Table 4

OA (9, 4, 3, and 0.2) matrix for the optimized antenna.

ExperimentDesign variable (mm)
l1l2h1

12.64846.7
22.648.24.26.9
32.648.44.47.1
42.8484.27.1
52.848.24.46.7
62.848.446.9
73484.46.9
8348.247.1
9348.44.26.7