Improved Handset Antenna Performance via an Electrically Extended Ground Plane

Figure 5

Electric and magnetic field scans of the AUT at chassis physical length of 120 mm: (a) HAC scan of 𝐸 field at 900 MHz, (b) HAC scan of 𝐻 field at 900 MHz, (c) HAC scan of 𝐸 field at 1880 MHz, and (d) HAC scan of 𝐻 field at 1880 MHz.

(a)

(b)

(c)

(d)