Performance Improvement of a Wire Dipole Using Novel Resonant EBG Reflector
Electromagnetic Band-Gap (EBG) structure exhibits unique electromagnetism properties that have led to a wide-range application of electromagnetic devices. This paper presented the high-directive gain antenna consisting of a wire dipole, which is horizontally lied above the novel EBG structure. The structure of EBG would be as resonator and dipole's reflector that eliminate the surface waves at edges of reflector and the back lobe of this antenna, respectively. In addition, the near-field distribution inside gap is studied to show the different distances of gap, which influence to the resonant frequency, bandwidth and directive gain of this antenna.