Table 2 Optimum values of OCSRR and its observations.

From: Open complementary split-ring resonator-embedded tri-band rectangular monopole antenna with offset feed for next-gen wireless applications

Parameter

Values simulated

Optimal value

Observation

x1

3.3 mm, 3.5 mm, 3.7 mm

3.5 mm

Improved S11 matching at 3.16 GHz

x

0.2 mm, 0.3 mm, 0.4 mm

0.3 mm

Stable S11 across bands

y

0.75 mm, 1.00 mm, 1.25 mm

1.0 mm

Improved S11 matching at 3.16 GHz