Improved Handset Antenna Performance via an Electrically Extended Ground Plane

Table 2

Percentage performance improvement at 1880 MHz.

Model	Increase in efficiency	Increase in bandwidth	Reduction in SAR
I	0	−1.30	12.5
II	−0.35	9.90	0
III	1.19	−3.89	0.39
IV	0.96	5.24	−1
V	1.25	11.66	1.47
VI	0.60	6.06	19.63
VII	0.67	5.10	18.73
VIII	0.77	8.10	−0.3