Abstract
A novel method to develop an Ultra-Wide Band (UWB) antenna is proposed in which a defected ground structure technique is employed. The proposed design is excited via a microstrip feed line which is optimized for the best impedance matching performance. The slotted ground is to enhance the UWB performance. The design parameters of the antenna have been optimized using high frequency finite element-based simulation software for the best gain, bandwidth and efficiency performance. The final design successfully meets the requirements of the UWB and even exceeds them, having a bandwidth of 2.55 to 10.85 GHz. The design parameters and the simulation results are reported in this paper and include the radiation pattern at different frequencies within the operating band.
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