A Compact Slotted Patch Hybrid-Mode Antenna for Sub-6 GHz Communication

Table 2

Comparison with bandwidth enhanced antennas.

Ref.	Size of major radiator (λ0 × λ0 × λ0)	Bandwidth (%)	Realized gain (dBi)	Crosspolarization	Front-to-back ratio (dB)	HPBW (°)^#
						xoz	yoz
[14]	1.04 × 0.81 × 0.06	55.00	7.50 ± 2.50	−19.20	12.50	46.34	59.46
[17]	0.90 × 0.78 × 0.13	67.50	8.40 ± 1.10	−28.50	36.50	55.70	43.30
[21]	0.45 × 0.45 × 0.24	57.78	8.20 ± 0.80	−20.00	30.00	62.50	61.80
[22]	1.12 × 0.40 × 0.03	15.20	4.90 ± 1.90	−18.00	13.20	N/A	N/A
This work	0.48 × 0.31 × 0.16	56.87	8.00 ± 0.50	−20.48	24.24	60.23	66.31

^#the values of the HPBWs are at the center of the operating frequency band; the radiation performance is extracted from the operating frequency band of 3.0–5.0 GHz.