High Isolation Dual-Polarized Patch Antenna with Hybrid Ring Feeding

Table 1

Comparison with previous works.

Ref.	Isolation (dB)	Relative impedance bandwidth	Cross-polarization (dB)
[7]	28.5	18.8%	20	0.08
[8]	30	45.5%	25	0.59
[9]	32	22.7%	30	0.17
[10]	40	14%	30	0.08
[11]	37	47%	NG	0.184
[12]	30	41.7%	20	0.144
This work	40	38.7%	24	0.144

(): the overall height corresponds to .
NG: not given.