Design and Analysis of Dual Port Super WideBand Antenna Set for MIMO Applications

Abstract

A planar monopole antenna with a super wideband frequency range covering a wide range of applications and compatible with MIMO applications is duly proposed. Compactness, i.e., reduction of size, is achieved following compatibility with MIMO application and also with SWB (Super Wide Band) applications. The bandwidth achieved is in the band range from 2 GHz to 20 GHz with a ratio of 1:10. Compactness in terms of size of the antenna is achieved, dimensions being 40mm∗30mm. FR4 substrate is used in the design of the antenna, having a relative permittivity of 4.4. A hexagonal structure with an ellipse added on top is made as to the radiating element with at a per feed having a width of 3.1mm feeding an input of 50ohm into the antenna. Parasitic elements are introduced on the substrate for the design of the antenna.DGS techniques have been used in the semicircular structure of the partial ground plane of the antenna. A dual-port antenna supporting MIMO applications is therefore achieved by replicating the antenna described above on a horizontal plane with a 90-degree shift and hence accommodating both the vertical and horizontal polarization at the transmitting and receiving side as well.