Abstract
A minimally-sized, triple-notched band ultra-wideband (UWB) antenna, useful for many applications, is designed, analyzed, and experimentally validated in this paper. A modified maple leaf-shaped main radiating element with partial ground is used in the proposed design. An E-shaped resonator, meandered slot, and U-shaped slot are implemented in the proposed design to block the co-existing bands. The E-shaped resonator stops frequencies ranging from 1.8–2.3 GHz (Advanced Wireless System (AWS1–AWS2) band), while the meandered slot blocks frequencies from 3.2–3.8 GHz (WiMAX band). The co-existing band ranging from 5.6–6.1 GHz (IEEE 802.11/HIPERLANband) is blocked by utilizing the U-shaped section in the feeding network. The notched bands can be independently controlled over a wide range of frequencies using specific parameters. The proposed antenna is suitable for many applications because of its flat gain, good radiation characteristics at both principal planes, uniform group delay, and non-varying transfer function () for the entire UWB frequency range.
Highlights
There is significant interest in ultra-wideband (UWB) technology, as it is considered to be an energy-efficient choice for short-range communication
A printed antenna consisting of the modified maple leaf-shaped main radiator and partial ground is used as the UWB antenna
It is necessary to determine the equivalent circuit model of the antenna because most of the radio frequency (RF) front-end elements are analyzed in time domain simulators, such as the Advance Design System (ADS) and SPICE
Summary
Amjad Iqbal 1 , Amor Smida 2,3, * , Nazih Khaddaj Mallat 4 , Mohammad Tariqul Islam 5 and Sunghwan Kim 6, *.
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