Step shape antenna for MIMO applications

In this paper a novel planar antenna is proposed for 5.2GHz band application. The area of designed antenna has been reduced by 52% in comparison to a conventional rectangular microstrip patch antenna. The antenna has three vertical stripes and one horizontal stripe. The length and width of these stripes are varied to tune the antenna for a certain operating frequency. The antenna is fed by using a 50 ohm microstrip line connected at the center of horizontal stripe. The fabricated antenna has return loss of 22dB at 5.27GHz and impedance bandwidth of 120MHz. A parametric study has been carried out to analyze and to find the design sensitive parameters.