Fractal Koch curve MSA array based on SRR with enhanced radiation characteristics for 5.24 GHz WLAN application

Firstly, a 1×2 fractal microstrip antenna (MSA) array of probe feeds is implemented by utilizing Koch curve as edges to the triangular patches. Secondly, the features of suggested MSA array loaded with superstrate of circular split ring resonator (SRR) elements, that increase the peak gain, directionality, and efficiency suggested for 5.24 GHz WLAN application is presented. The suggested antenna with a substrate dimension of 0.882λ0 × 0.764λ0 mm² (or) 50.8 × 44 mm² of thickness 1.6 mm fabricated on a RT Duriod of dielectric constant 2.2. By employing a superstrate of 42 circular SRR elements, of RT Duriod substrate of thickness 1.575 mm above the proposed 1×2 fractal MSA array as a foam height of (λ/4) or 14.4 mm, a gain increased from 7.03 dBi to 11.27 dBi is attained at 5.24 GHz. The simulated outcomes of the recommended model are in correlation with the prototype model’s experimental results.