Bidirectional Ultra-Wideband Antenna Using Rectangular Ring Fed by Stepped Monopole

Provided by: EMW Publishing
Topic: Mobility
Format: PDF
In this paper, the authors present an ultra-wideband rectangular ring fed by stepped monopole antenna. The initial parameters of rectangular ring are first considered to obtain the bidirectional pattern with the desired resonant frequency. Subsequently, the parameters of stepped monopole for enhancing impedance bandwidth are investigated. To study the impedance and radiation behaviors, the simulations of the proposed antenna have been carried out. It is found that this antenna offers a bidirectional beam with the impedance bandwidth (return loss lower than -10dB) covered the frequency range from 3.1 to 10.6GHz.

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