Compact Dual-Band Circularly Polarized Stacked Patch Antenna for Microwave-Radio-Frequency Identification Multiple-Input-Multiple-Output Application

Table 1

Structure parameters.

Parameter	Value (mm)
L1	62.1
L2	33.6
L3	23.4
L4	15.90
L5	61.1
L6	28.9
L7	10.3
L8	7.4
L9	41
H1	1.53
H2	9.8
W1	4.8
W2	45.2
W3	21.8
W4	2.30
W5	1.7
W6	2.2
W7	0.5
W8	0.4
X1	3.3
X2	6