A Novel Ultra Wideband Antenna Using Electric Lc And Electromagnetic Band Gap Loading

An electrically small metamaterial antenna is presented for ultra wide band applications. The proposed design provides a tunable frequency band with maximum efficiency and a bandwidth of approximately 7.7 GHz. Due to its compact size and simple structure, it can be employed in numerous wireless communication devices. The geometry of the antenna consists of a monopole ellipse radiator and a uniquely modified Electric LC (ELC) structure based on the concept of magnetic imaging at the boundary and provides dual frequency bands of 2.56 similar to 3.68GHz and 4.92 similar to 6.82 GHz. The antenna is then fused with an Electromagnetic Band Gap (EBG) structure to increase impedance matching and provide an ultra wide band of 2.72 GHz to 10.46 GHz.