Design of CPW - Fed Folded-Slot antenna for wireless applications

In this paper the design and development of a CPW-fed folded slot antenna that operates in the IEEE 802.11a frequency band from 5.15 GHz to 5.35 GHz for indoor wireless applications through a single grounded coplanar waveguide port for achieving sectorized radiation pattern is presented. The antenna is designed on a RT/duroid 5880 substrate with a permittivity 2.22 and with the size of 18.8 mm times 12.3 mm times 3.175 mm. The antenna has a 5 % VSWR (2.3:1) bandwidth around 5.24 GHz. The fundamental parameters of the antenna such as gain, return loss, efficiency, VSWR and polarization are obtained. All meets the acceptable antenna standards. Simulation tool, based on the method of moments (ZELAND IE3D version 12.0) has been used to analyze and optimize the antenna.