Improved Handset Antenna Performance via an Electrically Extended Ground Plane
Figure 8
2D radiation pattern comparison result: (a) 2D pattern in φ plane at 900 MHz, (b) 2D pattern in θ plane at 900 MHz, (c) 2D pattern in φ plane at 1880 MHz, (d) 2D pattern in θ plane at 1880 MHz, and (e) legend.
