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A compact twofold spoon-shaped antenna for ultra-wideband (UWB) applications

ISMAIL HOSSAIN1,* , MD SAMSUZZAMAN2,* , NORBAHIAH MISRAN3, GOLAM MD. MURADUL BASHIR2, CHINMAY BEPERY2, MOHAMMAD TARIQUL ISLAM3,*

Affiliation

  1. Space Science Center (ANGKASA), Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
  2. Faculty of Computer Science and Engineering, Patuakhali Science and Technology University, Bangladesh
  3. Dept. of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Malaysia

Abstract

This article presents a twofold spoon-shaped UWB antenna compact with a spoon-shaped radiator patch and an inverted cone-shaped ground plane. The proposed antenna achieved 4 dBi gain, 80% efficiency, and 7.6 GHz bandwidth in between 2.80–11GHz operating frequency band for the reflection coefficient of S11<-10 dB. FR-4 substrate is used to design and fabricate the proposed prototype with compact dimensions of 20 × 20 × 1.6 mm3 , where relative permittivity and loss tangent value is 4.30 and 0.02, respectively. Gain and radiation characteristics are measured using the 3D electromagnetic simulator CST microwave studio 2018 that's offers E-field and H-field omnidirectional patterns. The proposed antenna's impedance bandwidth, radiation patterns, peak gain, and time-domain performance is analyzed to evaluate its appropriateness in UWB communication. Finally, the measured results are agreed with the simulated results.

Keywords

Bluetooth, Twofold spoon-shaped, Ultra-wideband, Integrated antenna, Gain measurement, Wireless communication.

Citation

ISMAIL HOSSAIN, MD SAMSUZZAMAN, NORBAHIAH MISRAN, GOLAM MD. MURADUL BASHIR, CHINMAY BEPERY, MOHAMMAD TARIQUL ISLAM, A compact twofold spoon-shaped antenna for ultra-wideband (UWB) applications, Optoelectronics and Advanced Materials - Rapid Communications, 15, 11-12, November-December 2021, pp.555-563 (2021).

Submitted at: June 18, 2021

Accepted at: Nov. 24, 2021