Design of Vivaldi Antenna at 0.9 – 6 GHz for Mobile Cognitive Radio Base Station (MCRBS)

Authors

  • Feralia Fitri School of Electrical Engineering, Telkom University, Bandung - INDONESIA
  • Heroe Wijanto School of Electrical Engineering, Telkom University, Bandung - INDONESIA
  • Aloysius Adya Pramudita School of Electrical Engineering, Telkom University, Bandung - INDONESIA
  • Yuda Nugraha School of Electrical Engineering, Telkom University, Bandung - INDONESIA

Keywords:

Ultra-Wideband, Vivaldi antenna, Mobile Cognitive Radio Base Station.

Abstract

Mobile Cognitive Radio Base Station (MCRBS) is a system for disaster area. This system provides a network for an area after disaster for evacuation activities. MCRBS system works in 0.9 – 6 GHz frequency range to support the second generation of mobile communication system (2G) up to the fifth generation of mobile communication system (5G) frequency candidate. An antenna is one of MCRBS components with function to transmit and receive electromagnetic signals. To support MCRBS system, an antenna with Ultra-Wideband (UWB) characteristic will be needed in communication services that facilitated by MCRBS system. The Vivaldi antenna is one of UWB antennas that has wide bandwidth and high gain for UWB applications. It was invented by P. Gibson in 1979. The antipodal Vivaldi antenna which is one of Vivaldi antenna types has been designed using FR-4 material and copper. The antenna will use quarter wave transformer and array method. Based on the results of simulations conducted, the antenna has a return loss ≤ -10 dB, a VSWR ≤ 2, with 5.1 GHz bandwidth, gain 11.13 dBi, and unidirectional radiation pattern to support MCRBS system.

References

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Published

2021-04-22

Issue

Section

FoITIC 2020