A Compact Wideband Printed Antenna for 4G/5G/WLAN Wireless Applications

Table 2

Comparison of the proposed antenna and reference antennas.

Reference	Frequency band^a	Dimension (mm^3)	Structure	Bandwidth (MHz)	S11 (dB)
[1]	Octa-band	80 × 6 × 5.8	Multilayer	670–1020/1650–2920	−6
[4]	Octa-band	60 × 15 × 0.8	Double layer	740–965/1380–2703	−6
[5]	Nona-band	60 × 10 × 0.8	Double layer	698–960/1710–2170	−6
[8]	Hepta-band	70 × 8 × 5	Multilayer	824–960/1710–2690	−6
[9]	Octa-band	36.5 × 10 × 1.6	Single layer	790–1030/1710–2230	−6
[10]	Hepta-band	28 × 15 × 4	Multilayer	808–965/1696–3000	−6
[15]	Hepta-band	60 × 5 × 5	Multilayer	760–960/1510–2720	−6
[16]	Octa-band	70 × 8 × 5.8	Multilayer	690–970/1680–2740	−6
Proposed	Deca-band	27 × 10.8 × 0.8	Single layer	685-1012/1596-2837/3288-3613	−6 and −10

^aHepta-band: GSM850/900/DCS/PCS/UMTS/LTE2300/2500. Octa-band: LTE/WWAN. Nona-band: LTE/WWAN/WLAN. Deca-band: LTE/WWAN/WLAN/5G (3300–3600 MHz).