Multiband Planar Inverted-F Antenna with Independent Operating Bands Control for Mobile Handset Applications

Table 1

Comparison of the proposed PIFA with other literature PIFAs with independent control of frequency bands.

Structure	Frequency band with independent control	Antenna size (mm3)	Gain (dBi)	Radiation efficiency (%)
The proposed one	0.79 GHz, 1.87 GHz, 2.55GHZ, and 3.4 GHz bands		2.15 at 0.79 GHz, 3.99 at 1.87 GHz, 4.57 at 2.55 GHz, and 6.43 at 3.4 GHz	63 at 0.79 GHz, 72 at 1.87 GHz, 71 at 2.55 GHz, and 80.25 at 3.4 GHz
[20]	2.09 GHz, 3.74 GHz, and 5.1 GHz bands		2.14 at 2.09 GHz, 2.41 at 3.74 GHz, and 5.00 at 5.1 GHz	70 at 2.09 GHz, 60.3 at 3.74 GHz, and 66 at 5.1 GHz
[21]	0.92 GHz, 1.8 GHz, and 2.63 GHz bands		1.91 at 0.92 GHz, 2.93 at 1.8 GHz, and 1.48 at 2.63 GHz	80 at 0.92 GHz, 80 at 1.8 GHz, and 90 at 2.63 GHz
[22]	1.8 GHz, 2.45 GHz, 3.5 GHz, and 5.2 GHz bands		2.3 at 1.8 GHz, 2.2 at 2.45 GHz, 1.7 at 3.5 GHz, and 4.47 at 5.2 GHz	—
[23]	0.9 GHz, 1.75 GHz, 2.15 GHz, 2.45 GHz, 3.5 GHz, and 5.2 GHz bands		1.85 at 0.9 GHz, 2.21 at 1.75 GHz, 3.79 at 2.15 GHz, 3.96 at 2.45 GHz, 2.34 at 3.5 GHz, and 4.6 at 5.2 GHz	82 at 0.9 GHz, 79 at 1.75 GHz, 81 at 2.15 GHz, 90 at 2.45 GHz, 90 at 3.5 GHz, and 91 at 5.2 GHz