This article describes the CPW-feed ultra wideband tree
type monopole fractal antenna and it’s backscattering. The
prototype antenna is fabricated with optimized dimension. The
experimental result of this antenna exhibits the ultra wideband
characteristics from 5.0 GHz to 14.0 GHz. The experimental and
simulated results are in good agreement. The effects of various
design parameters on impedance bandwidth have also been studied
in detail using EM simulator. The nature of H and E – plane
radiation patterns are omni-directional and bidirectional
respectively. The measured group delay is almost constant
throughout band. This indicates the phase linearity. The monostatic
RCS of antenna is also simulated iteration-wise for antenna and
structural scattering mode. This antenna can be useful for UWB
system, Microwave Imaging and vehicular radar and military high
data rate wireless communications.
