Improved Microstrip Antenna with HIS Elements and FSS Superstrate for 2.4 GHz Band Applications

Table 1

The optimal dimensions of the microstrip antenna with the HIS elements and FSS superstrate.

Symbols	Parameters	Size (mm)
L	Antenna size	120
W	Antenna patch size	29
h	Distance between antenna and FSS	20
d1	Modified FSS loop length	15.25
d2	Concentric loop length	5.75
d3	Load size	5.5
w1	Fractal width	4.75
w2	Edge width	2
w3	HIS cell size	15
g	Gap distance	1.5