Planar Microstrip Antenna with Modified Ground incorporating Symmetrical Inverted L-shaped parasitic Stubs for Multiband Wireless Applications

The proposed Triple band printed antenna works for WLAN and X band applications. The designed antenna consists of one in one two T-shaped strips, the ground is modified and uniformly placed inverted L-curved stubs. These parasitic L stubs are not directly connected with feedline but helps in increasing radiation intensity. The small size resonating antenna has dimension of 18 x 34.5 x 0.8 mm
³
. The impedance bandwidths 310MHz (2.25- 2.56 GHz), 1.04GHz (5.39-6.43 GHz) and 410MHz (7.42-7.83 GHz) are obtained which includes WLAN and X-band satellite application ranges.