A Coalesced Kite Shaped Monopole Antenna for UWB Technology
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A Coalesced Kite Shaped Monopole Antenna for UWB Technology Rakesh Nath Tiwari1 · Prabhakar Singh2 · Binod Kumar Kanaujia3 · Amit Kant Pandit4
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract A small and compact monopole antenna of dimensions 25 × 18 × 1.6 mm3 is presented for UWB communications. The proposed design consists of two kite shaped radiators in coalesced form and a tapered slotted ground plane for the UWB characteristics. The parametric study of the patch and the modified ground plane is made and the measured impedance bandwidth of 14.2 GHz (2.8–17 GHz) is achieved. The measured antenna gain varies from 2.28 to 5.0 dBi for the entire frequency band of application. Group delay, signal analysis and antenna isolation |S21| are also studied at different orientations of the antenna and found to be quite satisfactory to meet the requirements for UWB applications. The co- and cross-polarization patterns are also calculated for E and H-planes, and compared with the measured results. Antenna simulation and optimization are performed using CST Microwave Studio and design is fabricated and measured for the validation of the results. Keywords Kite shaped patch · Microstrip line · Tapered ground plane · Monopole antenna · Group delay
* Rakesh Nath Tiwari [email protected] Prabhakar Singh [email protected] Binod Kumar Kanaujia [email protected] Amit Kant Pandit [email protected] 1
Department of Electronics and Communication Engineering, Uttarakhand Technical University, Dehradun, Uttarakhand 248007, India
2
Department of Physics, Galgotias University, Greater Noida, Uttar Pradesh 201310, India
3
School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi 110067, India
4
School of Electronics and Communication Engineering, Shri Mata Vaishno Devi University, Katra, Jammu and Kashmir 182320, India
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R. N. Tiwari et al.
1 Introduction The ultra-wideband (UWB) wireless communication technology is one of the attractive and successful technologies providing high data rates, very small interference, and easy integration with large number of devices. Many efforts have been made so far, to improve the efficiency of wireless communication spectrums. In this view, the UWB communication system is receiving much attention as compared to presently available wireless technologies. UWB antennas are now having vast applications such as in wireless industries, radar system, space research, passive sensor in satellite etc. [1–3]. A circular ring UWB antenna is reported using genetic algorithm optimization and obtains the impedance bandwidth in the range of 2.52–12 GHz [4]. In [5], a cactus shaped monopole antenna is proposed using tapered microstrip feed line and achieves the bandwidth varying from 2.85 to 11.85 GHz. A CPW fed triangular shaped radiator is proposed with a top cross loop to enhance the antenna bandwidth up to 91% (3.43–9.14 GHz) [6]. A hexagonal shaped monopole printed antenna produces the ultra
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