A CPW-Fed Antenna with Ultra-Wideband and Dual-Linearly Polarization

In this letter, a Coplanar waveguide (CPW)-fed dual-linear polarized antenna for ultra-wideband (UWB) wireless communication systems is proposed. The proposed antenna is printed on a Rogers Ro4350 substrate with a gas size of 36.9 mm × 36.9 mm. The bandwidth that this antenna can provide is 3.8-12.8 GHz and the maxium peak gain is 8.25 dBi. The antenna consists of a square ring and two sets of stepped patches. An isolation line is added between the two feed ends of the square groove to increase the isolation. The VSWR, 3D radiation pattern, and peak gain of the antenna are simulated by computer, and the simulation results are good.